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\n\n\n Opportunities at Change Healthcare, part of the Optum family of businesses. We are transforming the health care system through innovative technology and analytics. Find opportunities to make a difference in a variety of career areas as we all play a role in accelerating health care transformation. Help us deliver cutting-edge solutions for patients, hospitals and insurance companies, resulting in healthier communities. Use your talents to improve the health outcomes of millions of people and discover the meaning behind: Caring. Connecting. Growing together. \n About the role: \n The Cloud Engineer is a member of Cloud Operations Automation team and responsible for the reliability, security and efficiency of Change Healthcare’s cloud environments and products that comprise Enterprise Imaging solutions. The engineer will also participate in the Cloud Operations team activities including continuous delivery, configuration changes, performance monitoring and ensure high availability of systems. The engineer will be the active leader on the incident management process including triaging and resolution of incidents. \n You’ll enjoy the flexibility to work remotely * from anywhere within the U.K. as you take on some tough challenges. \n Primary Responsibilities of the Cloud Engineer: \n\n • Works as a software tools developer in the cloud operations team\n, • Define and drive automation of cloud operations and deployment using different toolset.\n, • Define and drive implementation of Cloud Operations procedures.\n, • Define and implement effective and reliable cloud infrastructure.\n, • Demonstrable experience in automation and administration of IT systems including compute resources, network, storage, general access control.\n, • Proven record of experience and success in administration of cloud infrastructure and deployed applications for enterprise SaaS or PaaS companies in public clouds such as GCP (Preferred), AWS, Azure\n, • Strong programming experience in any of the platforms like python, node.js, or any other language\n, • Good experience in creating CI/CD process or managing Kubernetes environments or creating terraform IaC pipelines.\n, • Knowledge of cloud networking, cloud security, centralized loggings and monitoring tools\n, • Solid foundation in Linux/Windows operating systems and tools\n \n #BBMEMEA

White Collar Factory (95009), United Kingdom, London, London Staff Software Engineer - Back End About this role Do you love shaping the technical landscape and driving innovation across the organisation? Are you passionate about solving complex business problems and supporting multiple teams toward a shared technical vision? At Capital One, you'll be part of a community of technical leaders who drive engineering excellence, foster innovation, and deliver impactful solutions that meet real customer needs. What You'll Do • Own and drive the technical strategy for a significant business outcome or technology domain, spanning multiple teams and influencing the overall technical direction, • Lead and coordinate the efforts of multiple teams, ensuring their collective work aligns with broader business objectives and technology strategy, • Proactively identify emerging patterns, define and evangelise best practices, and establish reusable frameworks that enhance engineering productivity, • Build and maintain strong relationships with key stakeholders, including senior leadership, product owners, and architects, • Represent Capital One in external technical forums, contributing to vendor/industry discussions, • Drive service quality standards and practices for your domain, guiding complex incident resolution, • Develop and advocate for strategies to proactively manage technical debt across multiple teams, • Actively mentor and develop engineers, fostering a culture of continuous learning What we’re looking for • Deep expertise in Java, • Deep expertise in system design and distributed architectures, • Track record of leading technical initiatives across multiple teams, • Strong experience with cloud platforms (AWS, Azure, GCP), • Proven experience setting a multi-team technical vision and strategy, • Strong track record of technical leadership and influence without authority, • Experience driving engineering standards and best practices across organisations, • Experience of steering Communities of Practice or technical forums, • Strong business acumen and ability to translate technical concepts for various audiences Where and how you'll work This is a permanent position based in our London office. We have a hybrid working model which gives you flexibility to work from our office and from home. We’re big on collaboration and connection, so you’ll be based in our London office 3 days a week on Tuesdays, Wednesdays and Thursdays. What’s in it for you • Bring us all this - and you’ll be well rewarded with a role contributing to the roadmap of an organisation committed to transformation, • We offer high performers strong and diverse career progression, investing heavily in developing great people through our Capital One University training programmes (and appropriate external providers), • Immediate access to our core benefits including pension scheme, bonus, generous holiday entitlement and private medical insurance – with flexible benefits available including season-ticket loans, cycle to work scheme and enhanced parental leave, • Open-plan workspaces and accessible facilities designed to inspire and support you. Our Nottingham head-office has a fully-serviced gym, subsidised restaurant, mindfulness and music rooms. In London, you can heighten your mood with a run on our rooftop running track or an espresso at the Workshop Coffee café What you should know about how we recruit We pride ourselves on hiring the best people, not the same people. Building diverse and inclusive teams is the right thing to do and the smart thing to do. We want to work with top talent: whoever you are, whatever you look like, wherever you come from. We know it’s about what you do, not just what you say. That’s why we make our recruitment process fair and accessible. And we offer benefits that attract people at all ages and stages. We also partner with organisations including the Women in Finance and Race At Work Charters, Stonewall and upReach to find people from every walk of life and help them thrive with us. We have a whole host of internal networks and support groups you could be involved in, to name a few: • REACH – Race Equality and Culture Heritage group focuses on representation, retention and engagement for associates from minority ethnic groups and allies, • OutFront – to provide LGBTQ+ support for all associates, • Mind Your Mind – signposting support and promoting positive mental wellbeing for all, • Women in Tech – promoting an inclusive environment in tech, • EmpowHER - network of female associates and allies focusing on developing future leaders, particularly for female talent in our industry, • Enabled - focused on supporting associates with disabilities and neurodiversity Capital One is committed to diversity in the workplace. If you require a reasonable adjustment, please contact All information will be kept confidential and will only be used for the purpose of applying a reasonable adjustment. For technical support or questions about Capital One's recruiting process, please send an email to Capital One does not provide, endorse nor guarantee and is not liable for third-party products, services, educational tools or other information available through this site. Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada, any position posted in the United Kingdom is for Capital One Europe and any position posted in the Philippines is for Capital One Philippines Service Corp. (COPSSC). Who We Are At Capital One, we're building a leading information-based technology company. Still founder-led by Chairman and Chief Executive Officer Richard Fairbank, Capital One is on a mission to help our customers succeed by bringing ingenuity, simplicity, and humanity to banking. We measure our efforts by the success our customers enjoy and the advocacy they exhibit. We are succeeding because they are succeeding. Guided by our shared values, we thrive in an environment where collaboration and openness are valued. We believe that innovation is powered by perspective and that teamwork and respect for each other lead to superior results. We elevate each other and obsess about doing the right thing. Our associates serve with humility and a deep respect for their responsibility in helping our customers achieve their goals and realize their dreams. Together, we are on a quest to change banking for good.

🚨Principal Network Engineer – Global Fintech (Remote, UK) 🚨 Are you a Palo Alto and Juniper expert ready to shape the future of technical operations at a high-growth fintech? We are partnering with a global leader in payments technology to build a modern, secure, and scalable infrastructure from the ground up. This is a rare opportunity to own architecture decisions, drive cloud migration, and lead network innovation across AWS, Azure, GCP, and on-prem environments. 🔍What We’re Looking For: • Deep hands-on experience with Palo Alto NGFW & Panorama (TLS decryption, Prisma Access, GlobalProtect, etc.), • Strong Juniper networking background (EVPN, VXLAN, VRFs, Junos OS), • Proven success in hybrid cloud networking and infrastructure as code (Terraform, Ansible), • 10+ years in enterprise network/system design, 5+ years in technical leadership 💡 Bonus: PCNSE, JNCIP, cloud certs, DR planning, and monitoring/forensics experience. 📌Why Join? • High-impact role in a small, agile team, • Culture of experimentation and continuous learning, • Competitive comp, flexible working, and global reach 📣Important: Palo Alto and Juniper experience is essential. Cisco-only backgrounds typically aren’t the right fit. NetworkEngineering #FintechJobs #PaloAlto #Juniper #CloudNetworking #TechLeadership #Hiring #RemoteJobsUK

Java Software Engineer Our client, a leading FX trading and liquidity solutions provider, is expanding its Core Engineering team and is looking for talented developers to build and optimise next-generation trading systems. What You’ll Do • Design, develop, and enhance low-latency, high-throughput trading components., • Work on real-time FX pricing, execution, and risk systems., • Apply multithreading, concurrency, and performance tuning to deliver sub-millisecond response times., • Collaborate with Quant, Trading, and Infrastructure teams to deliver robust, scalable solutions., • Drive continuous improvement in system performance, resiliency, and efficiency. What We’re Looking For • Strong background in Core Java (Java 8+), data structures, and algorithms., • Proven experience with multithreading, concurrency control, and garbage collection tuning., • Solid understanding of low-latency architectures and network I/O., • Experience in financial markets (FX, Fixed Income, or Equities) is a plus., • A pragmatic problem solver who writes clean, efficient, and testable code. Working Model • Hybrid: 2 days per week onsite in Central London, 3 days remote. Why Join • Work on cutting-edge trading systems used globally., • Join a collaborative, high-calibre engineering culture., • Competitive compensation and growth opportunities in a fast-moving environment. If you’re ready to take on complex engineering challenges and make an impact in global FX trading — we’d love to hear from you.

Job Responsibilities • Responsible for maintaining the existing LAN/WAN infrastructure as well as working on projects to maintain our LAN/WAN and Office Moves and Changes, • Design, implement, and manage complex network infrastructure using Cisco Campus Networking 9300 series and Cisco Nexus switches., • Configure, deploy, and maintain Palo Alto Prisma Access firewall policies to ensure secure access to critical applications and data., • Implement and manage Velo Cloud SD-WAN solutions to optimise network performance and ensure reliable connectivity across multiple locations. Skills Required • Cisco ISE and Wireless Controllers required experience, • Palo, VMWare Velo, FortiGate certification preferred, • Strong knowledge in the Microsoft Azure cloud stack, • Knowledge and experience of installing and configuring and troubleshooting Azure This role offers hybrid working - 3 days office based/2 days WFH.

DevOps Engineer - FinTech - £700 per day We’re looking for a Senior DevOps Engineer to join a well-established FinTech company, with a worldwide presence. This hire is part of a period of growth across the business focused around expanding their product and instilling a strong DevOps culture whilst driving transformation and innovation. You’ll have the opportunity to work on a variety of greenfield projects across Linux, AWS, Kubernetes, Ansible, CI/CD, Monitoring, Automation & more. You’ll need excellent DevOps experience and to have worked with as many of the following tools / technologies as possible: • AWS Cloud, • Strong core Linux, • Containerisation with Docker and / or Kubernetes, • Ansible / Puppet, • Strong CI/CD (GitOps, ArgoCD, CircleCI etc) knowledge, • Monitoring experience with Prometheus and Grafana, • Network concepts Hybrid, flexible working in central London. This is an initial 6 month contract, inside IR35 and paying ~£700 per day.

Network & Cloud Infrastructure Engineer – Hedge Fund – up to £110,000 + Bonus Take the next big step in your buy-side tech career. This London-based hedge fund is looking for a "T" shaped engineer with experience covering cloud, infra and networking to tackle complex infrastructure challenges. Work closely with the Head of Infrastructure and CTO to shape the future of their platform. You’ll take responsibility across hybrid infra environments, networking, and a Palo Alto firewall estate - with no two days ever the same! Join a lean, dynamic team, where you’ll balance projects and BAU, using a diverse toolkit of technologies to modernise and future-proof the firm’s systems. What you’ll bring: • Strong experience across hybrid infrastructure, particularly Windows and Azure., • Designing, implementing, and supporting networking environments (Juniper/Cisco and Palo Alto)., • Automation and scripting skills with PowerShell and Terraform (IaC)., • Exposure to modern workplace technologies such as MS365. Ideally you have experience from within Financial services - if coming from a hedge fund even better. But, if you've helped organisations expand further into the cloud while managing infrastructure and Networks at scale then click apply. This is a hybrid role with 4 days in the office and 1 day WFH, traditional working hours and paying up to £110,000 Plus bonus and benefits. If you’re ready to play a key role in a growing technology team, get in touch — no up-to-date CV required.

Senior Java Developer – Middle Office Platform (Credit & Rates Trading) Location: London Salary: £120K-£140K + up to 25% Bonus + benefits About the Company This global financial technology firm is renowned for combining cutting-edge engineering with a market-leading trading platform that powers electronic trading across Credit and Rates. Their flagship product is used daily by thousands of brokers and traders worldwide and is a central pillar of their long-term growth strategy. They foster a fast-paced, product-focused culture where engineers have direct impact on scaling systems that sit at the heart of global capital markets. The Role We are seeking a Senior Backend Java Engineer to play a key role in scaling the Middle Office platform of a world-leading electronic trading system. You’ll work on mission-critical backend services, collaborating closely with global teams (including New York) to ensure performance, scalability, and resilience in a high-volume, real-time environment. This is a hands-on leadership role where you’ll mentor other engineers, promote engineering excellence, and act as a point of contact for senior stakeholders. Projects You’ll Work On • Scaling a real-time trading platform: Handle vast growth in electronic trading volumes, ensuring throughput and ultra-low latency., • Resilience & recoverability: Build fault-tolerant services and recovery systems for mission-critical trading operations., • Automation & testability: Drive forward engineering practices, embedding automation to ensure reliability and speed of deployment., • Cross-market solutions: Exposure to multiple asset classes, building technology that underpins Credit, Rates, and wider electronic markets., • Global impact engineering: Collaborate with international teams, delivering systems used daily across the US, Europe, and Asia. What They’re Looking For • 8+ years of professional Core Java development experience, • Strong knowledge of data structures and algorithms, • Hands-on experience with SQL and at least one scripting language (Python, Perl, Shell etc.), • Solid understanding of network programming fundamentals, • Degree in Computer Science, Engineering, or related STEM field, • Experience leading and mentoring engineers in collaborative teams, • Excellent communication skills and ability to engage stakeholders Why Apply? • Opportunity to engineer one of the most widely used electronic trading platforms in the market, • Work in a high-performance environment where technology is central to business strategy, • Competitive compensation and bonus structure, • Accelerated career progression in a global financial technology leader

We are looking for a Junior Server Operations Engineer. Responsibilities: • Responsible for planning the server or rack, arranging the server mounting or rack installation, and following up the installation of the server operating system, • Responsible for the daily maintenance, troubleshooting, repair and follow-up break-fix of the server and other hardware, • Maintain data on internal systems including Asset Management, Ticketing, & rack elevations, • Work with remote vendors to solve hardware failures or issues, • Oncall on duty, responsible for dealing with the issues raised by the business owner side, • Collect and check online asset data, • Submit and track the part RMA or media destruction process, • Server network troubleshooting, • Server lifecycle management, • Other server operation related work, • Tidy and escalate problems to senior SOE Requirements: • Bachelor’s Degree or Diploma in Computer science, Electrical engineering or any other relevant fields, • Strong ability to work under pressure; Strong learning ability, broad technical interest; Strong sense of responsibility, full of enthusiasm for work, • Good communication skills in English, good team work spirit; Has ability to work independently, • Knowledge of the interdependencies of server functions and technologies, • Can understand and run simple Shell/Bash scripts, • Familiar with Linux system, able to locate hardware faults; Strong analytical and problem solving skills, • Basic network knowledge concepts - MAC, Subnet, TCP/IP; Ability to perform general troubleshooting, • Knowledge of out-of-band/lights-out server communication methods, such as IPMI What we offer • Onsite - London, • Full Time Employment; Permanent Contract, • Schedule: Monday until Friday + either Saturday or Sunday (6 days a week), • Attractive Remuneration Package, • Career Growth Opportunities, • Skills Enhancement through Udemy Business, • Work in a well-established Multinational Company, • Supportive international team About Centific Centific expertly engineers platforms and curates multimodal, multilingual data to empower the ‘Magnificent Seven’ and enterprise clients with safe, scalable Artificial Intelligence(AI) deployment. Our team includes over 150 PhDs and data scientists, along with more than 4,000 AI practitioners and engineers. We leverage an integrated ecosystem comprised of industry-leading partnerships, and 1.8 million vertical domain experts across 230 locales, to create high-quality pre-trained datasets, fine-tuned industry-specific Large Language Models(LLMs), and Retrieval-Augmented Generation (RAG) pipelines supported by vector databases. Our innovations can reduce Generative Artificial Intelligence(Gen AI) costs by up to 80% and bring Gen AI solutions to market 50% faster. Our mission is to bridge the gap between AI creators and industry leaders by bringing best practices in Generative AI to unicorn innovators and enterprise customers. We aim to help these organizations unlock significant business value by leveraging Generative AI at scale, ensuring they stay at the forefront of technological advancement and maintain a competitive edge in their respective markets. Applying to this job implies your agreement with: In compliance with the applicable data protection regulations (General Data Protection Regulation 679/2016), we at Centific, as data Controllers, inform you that the data collected will be processed to manage your application in the selection process. This processing is legitimized by the consent given upon submitting your application, and the data will be retained for a maximum of two years. You may exercise your rights of access, rectification, deletion, opposition, restriction of processing, and data portability by contacting Furthermore, if deemed necessary, you may file a complaint with the relevant supervisory authority. Your Authentic Self at Centific Centific is committed to creating a diverse environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, pregnancy, disability, age, veteran status, or other characteristics. Centific is also committed to compliance with all fair employment practices regarding citizenship and immigration status.

Data Centre Operations Engineer – Systematic Hedge Fund Permanent | Competitive Compensation | Global Infrastructure Environment A high-performance systematic trading firm is seeking an experienced Data Centre Operations Engineer to join its global infrastructure function. This team is responsible for the build, operation, and optimisation of the firm’s global data centre and co-location estate, supporting mission-critical trading and research platforms worldwide. With the business continuing to grow rapidly, this role will play a key part in ensuring stability, performance, and scalability across the infrastructure that underpins all trading activity. You’ll work closely with engineering and operations teams globally to maintain best-in-class data centre standards and drive automation and observability initiatives. Role Overview • Oversee the physical build and maintenance of global data centres and co-location sites, • Coordinate with third-party vendors to deliver on-site installations, upgrades, and expansions, • Ensure adherence to operational, security, and cabling standards, • Maintain accurate infrastructure documentation including rack layouts, patching details, and system designs, • Participate in global project rollouts and trading infrastructure deployments, • Collaborate with internal teams to align physical infrastructure with performance and operational goals, • Configure and automate infrastructure using Python, Bash, and Ansible, • Design and maintain observability solutions (e.g. Grafana dashboards) for real-time visibility into systems, power, and environmental health, • Develop automation workflows for monitoring, alerting, and remediation to improve reliability and reduce manual effort, • Troubleshoot hardware, cabling, and basic network issues across production and research environments Requirements • Strong knowledge of data centre environments and financial exchange co-location ecosystems, • Experience working with third-party vendors on deployments and physical changes, • High standards of physical build quality and attention to detail in infrastructure layouts, • Excellent documentation and organisational skills, • Comfortable working in a fast-paced, globally distributed team environment, • Ability to travel internationally as required, • Willingness to participate in an after-hours on-call rotation Company Highlights • Technology-led culture – drives both trading and internal investment decisions, • c.1,000 employees – large enough for scale, small enough for individual impact, • New state-of-the-art London HQ – core hub for engineering and trading, with a free on-site gym, • Flat structure – direct access to senior engineers and C-level leaders, • Strong Glassdoor rating and excellent work-life balance, • Benefits: Free breakfast and lunch, 13% pension, year-one guaranteed bonus, plus more

Hi, Hope you are doing. Please take a look at the below role and let me know your interest. Role –IT Support Engineer Location-Bakerstreet , UK (Onsite) Duration- 6–12-month contract Job Opportunity: Key Responsibilities: • Provide technical support to end-users via phone, email, or in-person for hardware, software, and network issues., • Diagnose and resolve desktop, laptop, and peripheral device issues, including printers, scanners, and monitors., • Install, configure, and upgrade operating systems (Windows, macOS, etc.) and business applications., • Perform software installations, patches, and updates., • Set up and configure new desktops and laptops for end-users., • Troubleshoot and resolve hardware failures, software conflicts, and system errors., • Assist with the setup, configuration, and support of video conferencing systems., • Provide training and assistance to end-users on IT-related issues and software usage., • Maintain an inventory of IT equipment and manage asset tracking., • Perform routine maintenance and system checks to ensure overall network and system health., • Collaborate with the Helpdesk team for escalated issues and resolutions., • Document all support activities in a ticketing system., • Ensure adherence to company IT policies and security protocols., • Perform any other duties as assigned by the IT department.

IT Security Engineer Feltham (Hybrid) £50,000 Base + Benefits Overview The IT Security Engineer is responsible for designing, implementing, and maintaining the security controls that protect the organization’s systems, networks, and data. This role works closely with IT, DevOps, and business teams to ensure that security is embedded throughout technology operations and architecture. The IT Security Engineer is key to detecting, preventing, and responding to cybersecurity threats in a proactive and efficient manner. Key Responsibilities: Security Architecture & Implementation • Design, deploy, and manage security solutions including firewalls, intrusion detection/prevention systems, endpoint protection, SIEM, and identity management platforms., • Implement secure network architecture and enforce segmentation and least-privilege access controls., • Support secure cloud environments across Azure, AWS, or GCP (e.g., IAM, security groups, encryption, KMS). Threat Detection & Incident Response • Monitor and analyze security alerts and network traffic for threats or suspicious activity., • Lead or support incident response activities: investigation, containment, eradication, recovery, and reporting., • Conduct root cause analysis and implement security hardening improvements. Vulnerability & Risk Management • Run regular vulnerability scans and penetration testing activities; track remediation of findings., • Evaluate risks and recommend security enhancements or compensating controls., • Maintain asset inventories and ensure patching and configuration baselines are followed. Security Governance & Compliance • Contribute to maintaining security standards and aligning with frameworks such as ISO 27001, NIST, CIS, or SOC 2., • Support audits, evidence collection, and compliance reporting (e.g., GDPR, PCI-DSS)., • Develop and maintain documentation for policies, procedures, architecture, and runbooks. Collaboration & Knowledge Sharing • Work with IT operations, cloud, and development teams to embed security in system and application designs., • Provide expert security guidance during solution design, procurement, and change reviews., • Support security awareness training and communicate best practices to employees. Qualifications • Education: Bachelor’s degree in information security, Computer Science, Networking, or a related field., • Experience: 3+ years’ experience in cybersecurity, network engineering, or IT infrastructure security roles., • Certifications (Preferred): CompTIA Security+, CEH, OSCP, CISSP, CCSP, Azure/AWS security certifications. Skills & Competencies • Strong knowledge of network security (TCP/IP, VPNs, DNS, firewalls)., • Experience with SIEM tools (e.g., Splunk, Sentinel, QRadar) and EDR platforms., • Familiarity with scripting or automation (PowerShell, Python, Bash)., • Understanding of secure cloud architecture and Zero Trust principles., • Ability to analyze complex technical issues and communicate clearly to technical and non-technical audiences.

IOS/Mobile Device Engineer – MDM & Remote Infrastructure Global Technology Driven Trading Firm, London, Very competitive package Quant Capital is hiring a Mobile Device Engineer to support and evolve a global fleet of iOS and Android devices. This is a hands-on, technical role focused on MDM (Intune, Jamf, Workspace One), scripting (PowerShell, Bash/zsh, Python), and infrastructure automation. You’ll manage both corporate and BYOD environments, driving provisioning, compliance, and integration with wider IT systems. The role involves close collaboration with security, infrastructure, and support teams globally. What You'll Do: • Administer mobile fleets using MDM/UEM tools, • Automate workflows and policy enforcement, • Troubleshoot OS, network, and app issues, • Support Apple Business Manager and Android Enterprise, • Maintain documentation and drive continuous improvement What You’ll Need: • 5+ years managing mobile devices in enterprise settings, • Strong scripting and debugging skills, • Experience with enterprise MDM platforms, • Clear communicator; thrives in fast-moving environments A high-impact engineering role in a globally respected trading firm. Apply now – we never send your profile without permission.

Who are we?👋 Look at the latest headlines and you will see something Ki insures. Think space shuttles, world tours, wind farms, and even footballers’ legs. Ki’s mission is simple. Digitally disrupt and revolutionise a 335-year-old market. Working with Google and UCL, Ki has created a platform that uses algorithms, machine learning and large language models to give insurance brokers quotes in seconds, rather than days. Ki is proudly the biggest global algorithmic insurance carrier. It is the fastest growing syndicate in the Lloyd's of London market, and the first ever to make $100m in profit in 3 years. Ki’s teams have varied backgrounds and work together in an agile, cross-functional way to build the very best experience for its customers. Ki has big ambitions but needs more excellent minds to challenge the status-quo and help it reach new horizons. Where you come in? Are you passionate about leveraging cutting-edge cloud technologies to drive business transformation? As an Azure Engineer, you will play a pivotal role in our dynamic and rapidly expanding team. You will design, implement, and optimise our Microsoft Azure environment, ensuring scalability, security, and seamless integration across the organisation. This role is crucial in supporting our ambitious transformation to a multi cloud estate, enabling modern infrastructure solutions, and ensuring the reliability and performance of our cloud services. You’ll collaborate closely with specialists across platforms, including Microsoft 365 and Google, to deliver a robust and future-ready technology landscape. Over time, we expect you to work hand-in-hand with these teams to ensure the stability, resilience, and scalability of our entire estate. Join us to make a significant impact, drive innovation, and help shape the future of our digital infrastructure. What you will be doing: 🖋️ • Azure Architecture and Delivery: Design, build, and maintain secure and scalable Azure landing zones, networks, and PaaS services to support business-critical applications., • Networking and Security: Manage Azure networking components including Firewalls, Front Door, Application Gateway, and API Management, ensuring resilience, performance, and compliance., • Automation and Infrastructure-as-Code: Develop and maintain Infrastructure-as-Code solutions using Terraform and GitHub, automating deployments and reducing manual effort., • AI-Driven Operations: Leverage AI and automation to optimise infrastructure operations, including monitoring, fault detection, and performance tuning, driving greater efficiency and reliability., • Disaster Recovery and Resilience: Implement disaster recovery strategies across Azure workloads, ensuring robust continuity planning in line with regulatory obligations., • Security and Compliance: Apply and enforce Azure security controls, policies, and compliance standards to meet industry and regulatory requirements., • Collaboration with Project Teams: Partner with delivery and application teams to provision, integrate, and optimise environments for new and existing workloads., • Monitoring and Troubleshooting: Proactively monitor Azure environments, resolve complex incidents, and provide 3rd line support to maintain operational excellence., • Documentation and Knowledge Sharing: Produce clear, accurate documentation of designs, procedures, and standards to support knowledge transfer and audit requirements., • Continuous Improvement: Introduce best practices, new tools, and emerging technologies to enhance Azure operations, ensuring the environment evolves with business and industry needs., • Vendor and Stakeholder Management: Engage with Microsoft and third-party providers, aligning services with organisational goals and future technology roadmaps. What you will bring to the role: • Significant hands-on experience with Microsoft Azure, particularly in networking, security, and PaaS services, • Proven track record in regulated environments, ensuring compliance with frameworks such as ISO27001, NIST or FCA requirements, • Strong expertise in Terraform, GitHub Actions, and modern Infrastructure-as-Code practices, • Experience in applying AI and automation to infrastructure operations, driving efficiency and improving resilience, • Solid understanding of Azure Firewall, Front Door, Application Gateway, API Management, and associated services, • Skilled in architecting and implementing Disaster Recovery and high availability solutions within Azure, • Proficiency with monitoring and observability tools (e.g., Azure Monitor, Log Analytics, Application Insights), • Strong troubleshooting and problem-solving skills with a focus on minimising downtime and disruption, • Ability to create and maintain high-quality technical documentation and share knowledge with colleagues, • Excellent communication and collaboration skills with both technical and business stakeholders, • Relevant Microsoft certifications (e.g., Azure Solutions Architect Expert, Azure Network Engineer Associate) What to expect during the recruitment process: 1. Initial recruiter screening call, 2. Interview with hiring manager, 3. Technical Interview (this may vary depending on the role), 4. Values Interview Ki Values: • Know Your Customer: Put yourself in their shoes. Understand and balance the different needs of our customers, acting with integrity and empathy to create something excellent, • Grow Together: Empower each other to succeed. Recognise the work of our teams, while celebrating individual success. Embrace diverse perspectives so we can develop and grow together., • Be Courageous: Think big, push boundaries. Don’t be afraid to fail because that’s how we learn. Test, adapt, improve - always strive to be better. Our culture: At Ki, we are committed to creating an inclusive environment where every colleague is valued and respected for who they are and can do the best work of their careers. Inclusion is a critical foundation of our business and people strategies and supports our vision of becoming a market-leading, digital and data-led specialty insurance business. An inclusive workplace fuels innovation because creativity thrives when everyone feels valued, respected, and supported to drive it. So, no matter who you are, where you’re from, how you think, or who you love, we believe you should be you. What we offer You’ll get a highly competitive remuneration and benefits package. This is kept under constant review to make sure it stays relevant. We understand the power of saying thank you and take time to acknowledge and reward extraordinary effort by teams or individuals. If this sounds like a role and a culture that appeals to you, apply now!

Senior Wintel Engineer / Windows Infrastructure Engineer - Hedge Fund, London Multi-strategy hedge fund in Central London seeks a Senior Wintel Engineer / Windows Infrastructure Engineer, to join an expanding team and work on advanced infrastructure challenges. This is a hands-on engineering role within a highly technical and collaborative environment, where you’ll help shape and support the systems for global trading and research. Role • Design, build, and integrate core infrastructure systems across Windows platforms., • Support and enhance the firm’s operating systems, authentication, virtualization, messaging, and network., • Develop automation tools and infrastructure software to drive reliability, scalability, and performance., • Diagnose and resolve complex, high-impact infrastructure and performance issues., • Collaborate with world-class technologists across teams to deliver secure, scalable, and efficient infrastructure solutions. Required Experience • Deep technical expertise across Microsoft infrastructure technologies, • Strong scripting and automation skills using PowerShell., • Passionate about performance, reliability, and clean engineering design., • A proactive problem solver with excellent troubleshooting skills and high attention to detail., • Exceptional communication and collaboration abilities., • Degree in Computer Science or equivalent practical experience.

Kubernetes Engineer | High-Performance Trading Infrastructure | £100k + Bonus | London • Onsite 5 days per week Join a tech-first investment bank redefining what financial infrastructure can look like. This isn’t legacy banking - it’s bare-metal Kubernetes, BGP-based architectures, and cloud-native innovation at scale. You’ll be hands-on in designing and maintaining Kubernetes clusters across multiple data centres, supporting trading systems where milliseconds matter. This role blends Linux engineering, network optimisation, and policy-driven security in one of London’s most forward-thinking technical environments. Tech you’ll work with: • Linux (Ubuntu / RHEL), • Kubernetes (bare-metal), • Terraform, Ansible, Helm, Git, • BGP, Calico, Kyverno, OPA, • Python, Bash Why join? • £100,000 basic + bonus, • 10% employer pension, • 30 days annual leave, • Private medical & life cover, • Enhanced parental leave, • Full-time onsite in City of London If you’re a Linux & Kubernetes expert who wants to push the limits of infrastructure performance in a fast-moving, high-impact financial setting - this role is for you.

Lead Network Engineer London - Hybrid We're looking for a Lead Network Engineer to lead a small team within a fast-paced MSP. You will be hands-on within this leadership role, responsible for guiding a team of network engineers, managing escalations, and ensuring high-quality service delivery for managed services customers. Key Responsibilities: • Act as the technical escalation point for complex incidents and requests., • Lead and mentor a team of network engineers, including 1:1s, performance reviews, and professional development., • Ensure incidents and service requests are resolved efficiently and within SLA., • Collaborate with internal teams and third-party vendors to deliver seamless service., • Drive Problem Management processes and root cause analysis., • Support onboarding of new services and contribute to service transition efforts., • Document and improve technical processes to ensure consistency and efficiency. Skills & Experience: • Proven expertise in enterprise networking (Cisco routing/switching, VLANs, BGP, OSPF, Meraki, DNAC)., • Experience with Fortinet and Palo Alto firewalls preferred., • Knowledge of cloud networking (Azure) and network automation/scripting is a plus., • Background in ITIL-based service management (Incident, Problem, Change)., • Previous team leadership experience is desirable., • CCNP certification. The company can offer hybrid working based out of their London office. If you are interested, then please apply today.

London/ hybrid We’re partnering with a leading international law firm to recruit a talented Network Engineer. This role offers exposure to cutting-edge technologies, large-scale projects and the opportunity to shape and secure a business-critical network environment. You’ll join a collaborative IT team where professional development and progression are actively supported. Key Responsibilities: • Design, implement and manage LAN/WAN infrastructure using Cisco Campus Networking and Nexus switches, • Manage wireless infrastructure including Cisco Wireless Controllers and Wi-Fi networks, • Configure and maintain Palo Alto Prisma Access firewalls and FortiGate security solutions, • Collaborate with IT and security teams to enforce policies, assess risks and integrate new technologies, • Support and optimise Cisco ISE policies for authentication and access control, • Liaise with third-party managed service providers where required, • Produce and maintain clear technical documentation (HLD/LLD) Key Skills & Experience: • 5+ years’ experience in a network engineering role within the legal or professional services sectors, • Strong understanding of core networking (Layer 2/3, BGP, OSPF, network troubleshooting), • Proven experience with Cisco Catalyst & Nexus switches, • Hands-on expertise with Cisco ISE (AAA, RADIUS, TACACS+, 802.1X), • Experience with Palo Alto Prisma Access and SD-WAN solutions, • Wireless networking knowledge, particularly Cisco Wireless LAN Controllers, • FortiGate firewall experience (NSE certifications desirable)

Penta Consulting are a technology service provider and leading outsourced partner helping to deliver professional and managed solutions across EMEA. We are seeking a highly skilled and motivated Data Centre Engineer to join our Client onsite in the UK. This role is ideal for a networking professional with deep expertise in Cisco and Juniper technologies, and a passion for delivering robust, scalable data centre solutions. Key Responsibilities • Design, test, and implement VXLAN EVPN architectures to support modern data centre environments, • Configure and maintain Cisco and Juniper switching platforms across enterprise-grade infrastructure, • Support and troubleshoot MPLS and Service Provider networking environments, • Manage and optimize DC gateway functions on Cisco routers, • Collaborate with cross-functional teams to ensure seamless integration and performance of network services, • Provide hands-on support for onsite deployments, upgrades, and incident resolution, • Document configurations, procedures, and best practices to support operational excellence Technical Expertise • Strong foundation in Cisco and Juniper switching and data centre technologies, • Proven experience with VXLAN EVPN architecture (design, testing, and implementation), • Solid understanding of Cisco MPLS and Service Provider networking, • Familiarity with DC gateway functions and routing protocols on Cisco platforms Certifications • Relevant Cisco and/or Juniper certifications (e.g., CCNP, JNCIP) are highly desirabl

If you need support in completing the application or if you require a different format of this document, please get in touch with at or call TCS London Office number 02031552100 with the subject line: “Application Support Request”. Role: MS Purview + Entra ID SME Job Type: Permanent Location: London Are you looking to utilize your skills in Microsoft? Make a meaningful impact as a MS Purview + Entra ID SME! Careers at TCS: It means more TCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful difference to the people and communities they serve - our clients include some of the biggest brands in the UK and worldwide. For you, it means more to make an impact that matters, through challenging projects which demand ambitious innovation and thought leadership. • Gain exposure to innovative technology., • Work with customers and identify opportunities to support their strategy and improve various processes across functions., • Gain access to endless learning opportunities. The Role As an MS Purview + Entra ID SME, you will be tasked with safeguarding digital assets by leveraging a comprehensive suite of Microsoft security technologies. To be successful in this role you should be a skilled Microsoft Security Engineer or Analyst. The ideal candidate will use Microsoft Defender XDR for managing and responding to threats, implement Microsoft Purview to ensure data compliance, and secure identities and access through Microsoft Entra ID. Your core responsibilities will include threat management, proactive hunting for vulnerabilities, data protection, security posture management, and incident response. All of these will be based on collaborating with other teams to maintain and improve the organization's overall security posture. Key responsibilities: • Design, implement, and manage Data Loss Prevention (DLP) policies to prevent unauthorized data sharing., • Configure and monitor policies to detect, investigate, and act on malicious or unintentional activities that could lead to data leakage or security incidents., • Monitor and investigate communications within the organization to detect and address potential violations of corporate policy or regulatory standards., • Manage and secure user, group, and workload identities including administering App and Enterprise App registrations and managing guest access for B2B (business-to-business) and B2C (business-to-consumer) scenarios., • Develop and manage Conditional Access (CA) policies to enforce granular access controls, including Multi-Factor Authentication (MFA), based on user, device, and location., • Implement and manage Self-Service Password Reset (SSPR) and Password Writeback to ensure seamless and secure user experience., • Work with internal IT and other security teams to ensure the effectiveness of the platform., • Serve as a point of contact for external services like Microsoft Defender Experts for proactive hunting and expert guidance., • Document incident response procedures, create reports on security posture, and provide regular briefings to leadership., • Implement policies for records management and retention to ensure that data is retained according to legal and business requirements and securely disposed of when no longer needed., • Utilize DSPM capabilities to understand data risk, identify sensitive data across the environment, and implement controls to mitigate risk including managing data security posture related to AI applications and models., • Support legal and compliance teams by utilizing Purview's eDiscovery and audit capabilities for investigations., • Act as a subject matter expert for the core components of the Defender XDR suite., • Manage endpoint protection, detection, and response across our device fleet., • Protect against email-based threats, including phishing, malicious attachments, and compromised links., • Monitor on-premises Active Directory signals to identify and investigate threats related to compromised identities., • Enforce security policies and provide threat protection across our cloud applications., • Prioritize and address critical vulnerabilities and misconfigurations based on a risk-based assessment., • Utilize Microsoft Entra ID Protection to identify and respond to compromised credentials and other identity-based risks., • Work closely with the Defender for Identity team to monitor on-premises Active Directory signals for threats., • Implement and maintain Privileged Identity Management (PIM) and Privileged Access Management (PAM) to provide just-in-time (JIT) access and enforce the principle of least privilege., • Secure Bring Your Own Device (BYOD) and other device access by implementing device-based access policies and configurations., • Ensure the proper configuration and integration of various authentication protocols, including SAML, OAuth, OIDC, and SCIM for application and service provisioning. Your Profile Essential skills/knowledge/experience: • Previous experience in a cybersecurity role, with a strong focus on Microsoft security solutions., • In-depth practical knowledge of the Microsoft security stack, including Defender XDR, Purview, and Entra ID., • Experience with scripting languages, particularly PowerShell, for automation and management., • Familiarity with common cybersecurity frameworks and attack methodologies, such as the MITRE ATT&CK framework., • Microsoft Certified: Security Operations Analyst Associate (SC-200; SC-300; SC-400)., • Certified Information Systems Security Professional (CISSP). Desirable skills/knowledge/experience: • Excellent analytical and problem-solving abilities., • Strong communication and collaboration skills to work effectively with technical and non-technical teams., • A proactive mindset and the ability to adapt to a fast-paced, evolving threat landscape. Rewards & Benefits TCS is consistently voted as a Top Employer in the UK and globally. Our competitive salary packages feature pension, health care, life assurance, laptop, phone, access to extensive training resources and discounts within the larger Tata network. We offer health & wellness initiatives and sports events; we are the proud sponsors of the London Marathon. Diversity, Inclusion and Wellbeing Tata Consultancy Services UK&I is committed to meeting the accessibility needs of all individuals in accordance with the UK Equality Act 2010 and the UK Human Rights Act 1998. We welcome and embrace diversity in race, nationality, ethnicity, disability, neurodiversity, gender identity, age, physical ability, gender reassignment, sexual orientation. We are a disability inclusive employer and encourage disabled people to apply for this role. As a Disability Confident Employer, we offer an interview to applicants with disabilities or long-term conditions who meet the minimum criteria for the role. Please email us at if you would like to opt in. If you are an applicant who needs any adjustments to the application process or interview, please contact us at with the subject line: “Adjustment Request” or call TCS London Office 02031552100 / +44 204 520 2575 to request an adjustment. We welcome requests prior to you completing the application and at any stage of the recruitment process. Beware of Fraudulent offers This is to notify you that TCS does not ask for any sort of payment or security deposit from candidates at any stage of the recruitment process. The firm never sends out job offers from free internet email services like Gmail, Yahoo Mail, and so on. TCS has not authorised any third-party company to collect money on their behalf. As a vigilant job seeker, beware of fraudulent recruitment activity and protect your interests! You can write to to report any fraudulent activity. Due to the high volume of applications, we will be unable to contact each applicant individually on the status of their application. If you have not received a direct response within 30 days, then it should be deemed unsuccessful on this occasion. Join us and do more of what matters. Apply online now.

IT Support Engineer (2nd Line) Southwark, London (on-site) Up to £40,000 per annum About the role You’ll be the go-to technical support for our organisation, responsible for second-line IT support and operations. This position covers user onboarding, ongoing support, and maintaining our server and infrastructure environment. You’ll work closely with the CTO (or IT Lead) and help ensure our systems are reliable, secure and fit for purpose. Key responsibilities • Set up new user accounts, including hardware (laptop/desktop), email, permissions, network access and software installation., • Provide 2nd line support for escalated issues from the helpdesk/1st line team – diagnosing, troubleshooting and resolving faults., • Collaborate with the team to maintain and monitor server infrastructure (on-premises and/or cloud)., • Manage user access rights, security controls, backups and systems documentation., • Assist with software deployments, patching and updates., • Work with the wider IT team and third-party vendors when required., • Ensure best practice in IT service management – incident logging, prioritisation, resolution and escalation., • Help with hardware inventory, procurement, and lifecycle management., • Support network issues (LAN/WAN/WiFi) as needed., • Contribute to continuous improvement of IT processes, knowledge base and training for users. Skills & experience required • Proven experience in a 2nd line IT support role., • Experience of setting up new user accounts, configuring hardware and software, managing permissions., • Familiarity with server technologies (Windows Server, Active Directory, virtualisation, backups) is highly desirable., • Good understanding of networking fundamentals, user access and security best practice., • Ability to diagnose and fix technical issues independently and proactively., • Strong communication and customer-service skills – able to engage with non-technical users and escalate when necessary., • Self-motivated and organised, able to manage several priorities and tasks., • A team player comfortable working flexibly (some variation in hours may apply given support requirements). Nice to have • Certifications such as Microsoft MCSA/MCSE, CompTIA Server+, ITIL Foundation., • Experience of cloud platforms (e.g. Azure, AWS) or hybrid infrastructure., • Knowledge of scripting (PowerShell) or automation tools., • Previous exposure to procurement, vendor management or hardware lifecycle programmes. What’s on offer • An opportunity to work within a dynamic and collaborative team in central London (Southwark)., • Competitive salary up to £40k (depending on experience)., • A chance to contribute meaningfully to the organisation’s IT infrastructure and growth., • Professional development opportunities and support for training/certification.

Who we are? Europa Worldwide Group is an ambitious independent logistics operator with three divisions, Europa Road, Europa Air & Sea, and Europa Warehouse, and has been featured in The Sunday Times Top Track 250 for three years. The group employs over 1,100 people with 16 sales offices in the UK, and the Republic of Ireland, plus European teams in France, Belgium and the Netherlands and internationally in Cape Town Hong Kong, China, India and the UAE. We are looking for A passionate and hands-on Cyber Security Engineer to join our growing team and play a key role in strengthening our security posture across both on-prem and cloud environments. You’ll lead and support a range of security initiatives, work closely with internal teams and third parties, and help ensure our tools, processes, and people are protected against evolving threats. This role is ideal for someone with a strong technical background, a proactive mindset, and a genuine interest in all things cyber. You will be required to travel into our Dartford office, this can be negotiated on how often depending on your location. What can we offer in return? • Competitive package paying up to £55,000k depending on experience, • Hybrid working, • Convenient Onsite Amenities: Free car parking and an onsite canteen for your convenience., • Generous Time Off: Benefit from 25 days of annual leave., • Enhanced Family Leave: Benefit from enhanced maternity, paternity, and adoption pay., • Benefits portal: where you access a wide range of exclusive discounts, company benefits, wellbeing resources and much more., • Wellbeing Focus: Access our employee wellbeing programme for your overall health and happiness., • Referral Rewards: Earn up to £1000 by referring a friend to join our team., • Work-Life Balance: Thrive in a fantastic working culture that promotes an excellent work-life balance., • Recognition Programs: Celebrate your contributions with our charity 50-50 and long service awards What you’ll be doing: • Leading and supporting a variety of IT security projects, ensuring secure, timely, and effective delivery, • Managing and maintaining cybersecurity tools to ensure strong, up-to-date defences across both on-prem and cloud environments (cloud being a key area of focus), • Implementing, configuring, and regularly updating a wide range of security toolsets including EDR, SIEM, vulnerability management, IAM, and cloud security solutions, • Collaborating closely with IT, Development, and third-party teams to embed security into all aspects of our operations, • Conducting regular risk assessments, vulnerability scans, and open-source intelligence (OSINT) investigations, • Monitoring emerging threats, including zero-day vulnerabilities and newly published CVEs, and evaluating their relevance and impact, • Investigating and responding to security incidents, identifying root causes, and driving continuous improvements, • Shaping and delivering engaging security awareness training across the business, • Advising on the security implications of new technologies and contributing to long-term strategic decisions, • Providing day-to-day support on security-related issues and ensuring changes follow robust change control processes, • Assisting with alert investigations and escalations from our SOC team Our ideal candidate will have: • Proven experience in a Cyber Security Engineer or similar hands-on security role, • A solid understanding of network, infrastructure, and application security principles, • Practical experience with a range of security tools and platforms, both on-premises and in cloud environments, • Familiarity with key industry standards and frameworks such as ISO 27001, NIST, and CIS, • The ability to assess risk, identify vulnerabilities, and implement effective mitigation strategies, • Experience responding to security incidents and performing thorough root cause analysis, • Strong communication skills with the ability to clearly explain complex technical issues to both technical and non-technical audiences, • Hands-on experience configuring and managing tools in the cloud security space, • Experience working with Identity and Access Management (IAM) solutions, including previous configuration work, • Proficiency in the day-to-day management and monitoring of Endpoint Detection and Response (EDR) tooling, • Experience with vulnerability management processes, including tool administration and coordination of remediation efforts across teams, • Relevant certifications (e.g., CompTIA Security+, CISSP, CEH, Azure Security Engineer) are a plus, • A proactive, problem-solving approach with attention to detail Europa Worldwide Group do not accept agency CV submissions unless specifically requested/ engaged with the role by the Internal Recruitment Team. Please do not submit speculative CV’S to our Recruiters, Employees, Hiring Managers, or any branches/locations directly. Europa will not be responsible for any fees related to CV’s received in this unsolicited manner. Please note - if you submit your CV, you are giving Europa Worldwide Group Ltd, and its subsidiaries consent to hold your personal data. All applications will be dealt with according to General Data Protection Regulations. Europa Worldwide Group are committed to equality of opportunity for all staff, and applications from individuals are encouraged regardless of age, disability, sex, gender reassignment, sexual orientation, pregnancy and maternity, race, religion or belief and marriage and civil partnerships. Please note that an offer of employment is subject to the completion of a satisfactory pre-employment checks.

Senior Infrastructure Engineer – Infrastructure & Cloud Projects (MSP) • Fantastic opportunity for an experienced Senior Infrastructure Engineer to join a fast-growing and technically driven Managed Service Provider delivering enterprise-grade infrastructure, cloud, and security solutions., • Full-time, permanent role based in London with hybrid working options and a competitive salary (DOE)., • Immediate start available – professionals with strong experience in Microsoft infrastructure, Azure, and networking within an MSP environment are highly encouraged to apply. Who is the client? Our client is a well-established Managed Service Provider (MSP) supporting a diverse portfolio of businesses across the creative and professional services industries. With thousands of users under management, they pride themselves on delivering high-quality, secure, and scalable IT solutions. Their success is built on technical excellence, collaboration, and a strong commitment to professional development. What will you be doing? This is a senior, hands-on infrastructure role ideal for someone who enjoys technical leadership, complex problem solving, and delivering high-impact IT solutions. You’ll take ownership of infrastructure projects, provide 3rd-line support, and mentor junior engineers while ensuring client environments remain robust, secure, and efficient. Key responsibilities include: • Acting as the technical escalation point for complex infrastructure issues across servers, networking, cloud, and security., • Leading end-to-end project delivery – including migrations, virtualisation, Azure deployments, and network upgrades., • Designing and implementing infrastructure solutions tailored to client requirements., • Delivering high-quality documentation and project handovers., • Mentoring junior engineers and promoting best practices within the technical team., • Implementing and maintaining strong security measures across infrastructure and cloud environments. What will you need? • Minimum 3+ years’ experience in a senior infrastructure or 3rd-line engineering role., • Experience working within a Managed Service Provider (MSP) or multi-client environment., • Proven expertise in the Microsoft tech stack: Windows Server, Active Directory, DNS, DHCP, GPOs, WDS, Azure AD, Azure Virtual Machines, and Azure Storage, • Strong understanding of networking and security principles: VLANs, VPNs, subnetting, firewalls (Fortinet, WatchGuard, Palo Alto, or similar), • Experience with virtualisation platforms (Hyper-V, VMware)., • Proficiency with backup and DR technologies such as Veeam, Cove, or Acronis., • Strong documentation, troubleshooting, and client communication skills. What would be desirable? • Experience with storage platforms such as Dell PowerVault or Synology., • Familiarity with endpoint protection platforms (Defender, Sophos)., • Exposure to compliance frameworks (Cyber Essentials+, ISO 27001)., • Previous experience mentoring or leading a technical team. Certifications (highly desirable): • Microsoft Certified (AZ-104, MS-102, or similar), • VMware VCP, Fortinet NSE, or CompTIA Network+/Security+ The Package • Hybrid working with regular work-from-home days, • 22 days’ annual leave + Bank Holidays (increasing with tenure), • Team awards, social events, and a collaborative culture, • Continuous professional development and funded training opportunities To Apply… Please apply through this advert or send your CV directly to . By applying, you consent to your application being processed for this vacancy only. KEY SKILLS – Senior Infrastructure Engineer, MSP, 3rd Line, Windows Server, Azure AD, VMware, Hyper-V, Veeam, Fortinet, WatchGuard, Palo Alto, Networking, VPNs, VLANs, DHCP, DNS, Infrastructure Projects, Cloud Solutions, IT Architecture

Senior Infrastructure Engineer Reporting into the Head of IT, you'll be responsible for the delivery of 3rd Line support of IT Infrastructure. The primary purpose of your role will be to own the planning, design, implementation, operation and support of the company’s technology infrastructure to meet or exceed agreed availability and performance targets within approved capital and operational expenditure budgets. Leading an in-house team and third parties across architecture, security, engineering, delivery and support, you will have accountability for all infrastructure services including network and telephony, storage, hosting and server infrastructure (on-premise and cloud), infrastructure applications and end user computing. What you’ll be doing • Defining, agreeing with the Head Of IT and then owning an infrastructure strategy which is aligned with the wider IT and business strategies., • Managing internal and third party resources as required to plan, design, build and run the enterprise IT infrastructure., • Owning and validating the architectural roadmap for infrastructure services, ensuring all solutions provide the required level of availability, performance and security., • Overseeing the delivery of the infrastructure initiatives plan, ensuring all infrastructure projects are delivered within the pre-agreed parameters of time, cost, scope, risk, quality and benefits., • Ensuring all infrastructure services are managed and supported according to industry/vendor best practice, following defined processes and procedures and to meet agreed availability and performance KPIs., • Ensuring all colleague infrastructure support tickets are resolved/fulfilled in line with SLA and colleague satisfaction targets, following agreed ITSM processes., • Ensuring that all infrastructure components are managed to the appropriate level of risk with respect to security patches, software/firmware revision levels and supplier supported versions., • Proactively seeking service improvements in the areas of reliability, performance, availability, security, supportability or cost., • Overseeing the effective transition of new or updated infrastructure services ensuring operational readiness criteria are identified and achieved., • Ensuring effective DR/BCP plans exist to deliver the required RPOs and RTOs for all infrastructure services, including regular testing., • Leading, motivating, developing and managing the performance of the Infrastructure team to develop a high calibre team with the skills and capabilities needed to deliver the required results. This includes coaching team members, succession planning, and fostering a culture of continuous improvement., • Managing all third party supplier contracts for infrastructure services, ensuring agreements are in place and aligned to business requirements., • Providing periodic reporting and management information on infrastructure delivery initiatives, operational KPIs and budget management. (including KPIs such as uptime, incident response times, SLA adherence, and project delivery metrics) What we’ll expect from you • Extensive experience as a Senior infrastructure Engineer in a colleague centric, multi-site businesses, • Previous experience working in mixed on-premise/cloud environments particularly Nutanix and Azure eco systems., • Extensive experience of managing network and telephony (WAN, LAN, Wi-Fi, Voice), hosting and server infrastructure, infrastructure applications and end user devices (desktops/laptops, mobile/tablets, peripherals). Technologies required • Office 365 – ongoing management, • Nutanix, • Networking (LAN, WAN, VLAN, WiFi) preferably Juniper & Fortinet devices, • Security (ACL, Firewall, PCI, GDPR. GDP), • ISO27001 principles, • Storage, iSCSI (HP, Tegile, Nutanix), • Cloud (Azure ExressRoute, VMs,Load Balancers), • Linux, • System Centre, • Database Management

Network and AV Engineer • Network and AV Engineer (CCNA/Juniper), • Central London, • £190 per day (Outside IR35), • Contract (6 months initially), • Start Date: December 2025 Skills and Experience: • Experience configuring Juniper equipment, • Experience racking servers or network equipment (switches, routers etc.), • Experience patching equipment in network cabinets, • Good / demonstrable knowledge of IP networking, • CCNA or JNCIA, CCNP, JNCIS, JNCIP or equivalent - very beneficial, • A Basic DBS check (or be willing to apply for one) The Opportunity: To join a fast-growing London IT consultancy with scope for permanent work following the initial contract assignment and future promotions. You will be providing services to a range of local government and enterprise-sized clients to help with the design, configuration, installation, testing and support of wired and wireless networks. Role and Responsibilities: The initial opportunity will have a mixture of working from home and working from the primary customer site (London Bridge), but also with other customers within the M25, as and when required. The work offered will be varied and will provide its own challenges depending on customer and client needs. • Conduct site surveys, audit equipment, produce design documents, • Basic configuration of wireless access points, switches firewalls and routers., • Network patching and tracing, network support and troubleshooting, plus network testing NB: Some weekend and out-of-hours work required and will be signposted 2-4 weeks in advance for planning purposes. Applications: Please call Edward here at ISR on 07436 071 872 to learn more about our client and how you can help them deliver a first-class service to their clients?

Job Title: Network Infrastructure Design Engineer – Smart Buildings & Construction Why Join Us? Step into a dynamic technical role at a UK-leading specialist delivering fully integrated network infrastructure solutions across high-profile construction and commercial projects. Here's why this opportunity stands out: • Work on Iconic Projects – Play a key role in delivering Smart Building-ready networks across some of the UK's most prestigious developments., • Hands-On Impact – Own the end-to-end design and commissioning of converged network systems, from blueprint to build., • Smart Technology Focus – Engage with cutting-edge IP-based building systems including Wi-Fi, security, IoT, AV, and BMS integration., • Professional Growth – Access ongoing development and Cisco training within a high-performing, technically excellent team., • Supportive Environment – Collaborate with a knowledgeable, forward-thinking technical and project delivery team that values innovation and precision. Key Role Responsibilities • Translate construction drawings and technical specs into network design deliverables; raise and manage RFIs as needed., • Develop high-level (HLD) and low-level (LLD) designs for complex, converged IP networks., • Prepare Bills of Materials (BOMs) to support procurement and cost management., • Conduct wireless surveys and site assessments during pre-construction and delivery phases., • Configure and commission Cisco network hardware, including switches, routers, and wireless devices., • Coordinate Factory and Site Acceptance Testing (FAT/SAT), ensuring technical compliance and quality., • Lead technical workshops to align with stakeholders and ensure successful integration with other building systems., • Produce and maintain detailed project documentation including schematics, test records, and network drawings., • Provide post-completion support for monitoring, maintenance, and service delivery. Key Attributes Required • Demonstrated experience designing and deploying network infrastructure, ideally in construction or Smart Building environments., • Strong hands-on expertise in Cisco technologies (routing, switching, wireless, VLANs, QoS, security)., • Ability to interpret and work from detailed technical specs and drawings., • Proficiency in Visio and Excel, with a high standard of documentation., • Familiarity with building systems such as BMS, CCTV, access control, and AV over IP., • Excellent organisational and communication skills, with the ability to liaise confidently across trades and clients. Desirable Skills • Cisco certifications (CCNA, CCNP, or Design Professional)., • Exposure to Aruba, Meraki, or Ruckus wireless platforms., • Understanding of structured cabling (Cat6A, Fibre), PoE, and Smart Building/IOT architectures., • Awareness of network security principles and segmentation practices.

As a 2nd Line Network Engineer, your primary responsibility is to provide technical support and assistance to customers experiencing technical issues. You will often be the go-to person for resolving advanced technical challenges that require a high level of knowledge and expertise. In addition to providing direct support, you will also follow processes and perform administrative functions. This includes working closely with the 3rd Line resolver teams to investigate incidents affecting the supported platforms, whether detected by our monitoring toolset or reported through the Service Desk ticket logging process. A solid theoretical knowledge base is crucial for a 2nd Line Engineer, as it enables you to troubleshoot and resolve issues effectively, ensuring the smooth operation of our systems and maintaining a high level of service for our customers. Shift Pattern: 4 shifts On - Fri to Monday, including weekends – 8:00am to 6:00pm 3 Days Off - Tues to Thurs What you will do • Investigating and resolving technical issues escalated from 1st line support and providing end users with a technical solution covering some of the below areas:, • Incident Diagnostics and Assistance, • Log Monitoring and Analysis, • Rule base Auditing and Advisory, • Device Software Upgrades, Patches, and Bug Fixes, • Configuration Backup / Restore, • Rule base and Network Configuration Change Management, • Collaborating with 3rd line support to resolve critical issues, • Maintain technical accreditations in line with catalogued services., • Set up and complete scheduled tasks when required., • Escalate and work with vendors when needed., • Provide handovers to the following shift pattern, • Raise potential service issues with Problem and Incident Management., • Recommend and deploy changes via the change management process when needed., • Take part in shadowing activities and the facilitation of learning., • Assist the Service Desk and Desk and 1st Line Engineers as required., • Proactively maintain and develop knowledge, skills and experience through client contact, industry sources, formalised training and development plan., • Provide technical assistance to the transition of new customers., • Provide remote support on a rota:, • 4 shifts – Weekend Day – 8:00am to 6:00pm What we expect of you Minimum basic requirements • 2-3 years of experience in a similar SLA-driven support role., • Proven experience delivering projects and complex changes., • Extensive knowledge working within a Cisco Switch/Router environment., • Good level of knowledge/experience in the following technologies (Certification an advantage), • Fortinet, • Checkpoint, • Palo Alto, • Cisco, • Cisco Meraki, • HP Aruba, • F5, • Azure and AWS Preferred skills, experience, and qualities needed • Netscaler / F5 Load balancers, • HP Switching, • Cisco Knowledge (Wireless, SD-WAN, DNAC, ISE, ACI) preferably, • Security Clearance (SC) or ability to obtain, • Experienced in ITIL best practices

Rust Developer | Crypto/Blockchain Trading Technology Location: London, UK - 5 days a week in office required Package: Base + Profit Sharing Bonus + Equity We are working closely with a profitable, venture backed crypto tech company based in London, who specialise in the development of trading infrastructure and services within the decentralised finance sector. Our mission is to foster an open, transparent financial system through their contributions to the Ethereum blockchain and beyond. They seek a Software Engineer with a strong background in STEM and a passion for software development. While experience with low latency systems, algorithmic trading, or MEV is advantageous, a strong interest in these areas is essential. Their culture is fast-paced, collaborative, and encourages ownership from day one - including equity! You'll play a crucial role in developing their core infrastructure, working closely with the founders and having significant autonomy and impact. Responsibilities: • Enhance their low-latency trading infrastructure, • Optimise core engine performance and network infrastructure, • Develop new features focused on transaction efficiency and advanced trading systems Skills: • Proficient in Rust (or low-latency C++, looking for Rust exposure), • Experience with latency-sensitive system development, multi-threaded coding, and scalable distributed systems), • Familiarity with concurrency, OOP, database systems, and basic SQL, • Knowledge of Linux/Unix, AWS, Git, Docker, EVM, and blockchain fundamentals Apply now!

We are looking for a Software Engineer to the Ultra-Low Latency (ULL) Market Making team within this rapidly expanding Prop Trading firm based in London. This is a hands-on engineering role at the frontier of high-performance trading systems What You’ll Do • Design and implement modern C++ (C++20/23) applications for ultra-low latency trading., • Optimize performance at the CPU, kernel, and network stack level to minimize latency and maximize throughput., • Engineer and maintain Linux-based systems tuned for high-frequency trading workloads., • Develop and refine TCP/IP networking solutions for market connectivity., • Collaborate with traders, researchers, and engineers to deliver robust, production-ready systems., • Explore opportunities to integrate AI/ML techniques into trading workflows, from signal generation to system optimization. What We’re Looking For • Proficiency in modern C++ (17+) with a focus on performance-critical applications., • Deep understanding of CPU architecture, cache optimization, memory management, and instruction pipelines., • Exposure to Linux kernel-level programming and tuning., • Solid knowledge of TCP/IP networking and experience building high-throughput, low-latency network applications., • Proven track record of developing real-time, high-performance systems (finance, gaming, or similar)., • Beneficial: Experience with FPGA/ASIC development for hardware acceleration., • Beneficial: Exposure to AI/ML integration in performance-sensitive environments., • Bonus: Familiarity with kernel bypass technologies (DPDK, RDMA, Solarflare, etc.). Why Join • Work on mission-critical trading infrastructure where your engineering directly impacts performance and profitability., • Collaborate with a world-class team of engineers, traders, and researchers., • Push the boundaries of system-level optimization, hardware acceleration, and AI integration., • Market leading compensation, benefits, and a culture that rewards innovation and technical mastery. If you’re passionate about building ultra-fast systems and excited by the challenge of combining software, hardware, and AI to redefine what’s possible in electronic trading, we’d love to hear from you.

Lead Backend Engineer - Ai Implementation - Node.js 📍 London Hybrid (3 days onsite) 💰 £80,000–£120,000 + meaningful equity I've partnered with a fast-growing, VC-backed startup on a mission to reinvent how real-world services are delivered through technology. Their platform powers a network of physical sites across the UK, helping emerging consumer brands scale rapidly and efficiently, without the overhead of traditional operations. With strong early traction, 3x YoY revenue growth, and over £20M in annual sales, they're now investing heavily in their technology to unlock the next phase: scaling from 150 sites to 5,000+, powered by data, AI, and automation. The Role You'll be a foundational member of their engineering team. This is a high-impact individual contributor role, ideal for someone who enjoys building from the ground up, solving real-world problems, and owning architecture decisions in a fast-moving environment. You’ll work across the stack, with a focus on backend systems, data infrastructure, and internal tools. What You’ll Be Doing • Implementing AI tooling across all their products focusing on data ingestion and aggregation, • Lead the design and implementation of scalable, microservices-based systems, • Own and evolve their core platform architecture, including APIs, internal tools, and data pipelines, • Work with large, varied data sets from third-party sources (e.g. partner platforms, supply chains, operational data), • Help turn data into insights and recommendations using AI/ML tooling, • Tackle technical debt and improve system robustness as we scale rapidly Tech Stack • Node.js - NextJS, • React, • TypeScript, • Google Cloud Platform, • PostgreSQL, BigQuery If you’re looking for a role where you can build meaningful software, shape product direction, and work on real-world challenges with massive upside, apply to be considered!

Senior Data Engineer London - 2 days a week in the office Up to £95k A high-growth digital platform is transforming a multi-billion-dollar global industry through innovative online technologies. The platform connects a large network of customers and partners worldwide, powering billions in annual transactions. With significant revenue growth and international reach, the company is modernising one of the last sectors to fully embrace digital transformation, building a global, category-defining business in the process. As the organisation scales its AI and machine learning capabilities across search, recommendations, and analytics, it is investing heavily in robust data infrastructure to enable rapid experimentation, reliable insights, and data-driven decision-making. The Senior Data Engineer will collaborate with Product Managers, ML Engineers, Analysts, and Software Engineers to design and maintain the data pipelines and infrastructure that power AI-driven features and business intelligence, handling millions of events and requests daily. Key Responsibilities: • Design, build, and maintain reliable ETL/ELT pipelines to support analytics, ML models, and business intelligence, • Develop scalable batch and streaming data pipelines to process millions of events and transactions daily, • Implement workflow orchestration using Airflow, Dagster, or similar tools, • Build data validation and quality monitoring frameworks to ensure data accuracy and reliability, • Collaborate cross-functionally with Software, ML, and Analytics teams to deliver production-ready data products, • Mentor junior engineers and contribute to engineering best practices Required Skills & Experience: • 5+ years of experience building and maintaining data pipelines in production environments, • Strong Python and SQL skills (Pandas, PySpark, query optimisation), • Cloud experience (AWS preferred) including S3, Redshift, Glue, Lambda, • Familiarity with data warehousing (Redshift, Snowflake, BigQuery), • Experience with workflow orchestration tools (Airflow, Dagster, Prefect), • Understanding of distributed systems, batch and streaming data (Kafka, Kinesis), • Knowledge of IaC (Terraform, CloudFormation) and containerisation (Docker, Kubernetes) Nice to have: • Experience with dbt, feature stores, or ML pipeline tooling, • Familiarity with Elasticsearch or real-time analytics (Flink, Materialize), • Exposure to eCommerce, marketplace, or transactional environments

Job Title: Network Engineer (2-8 Years) Client: Elite Scaling FinTech Firm Salary: Up to £130k + Huge Bonus Location: London Sells: Cutting-edge tech, ownership of multiple greenfield projects, no red tape, a friendly/collaborative environment, beautiful offices! An Elite FinTech Firm is looking for highly talented Network Engineers of all experience levels to join an elite group of talented engineers. This team have an unlimited tech budget, promote a great culture and are made up of fantastic like-minded technologists! Role: • Working as part of a team of engineers looking after and building a zero-down time low latency infrastructure, • Automating anything and everything, • Work in a project focused team with a chance to work on the most cutting edge technologies on the planet Skills: • CCIE or CCNP certifications in R&S/Enterprise Infrastructure, • Experience in network architecture, design, deployment, etc. where scale and latency are important, • Exposure to RF Technology is a huge plus, • Multicast experience is also a huge plus, • Strong routing & switching experience, • Linux experience, • Network automation experience (Python or Ansible), • Experience working in a multivendor environment If you're interested, you can apply directly or email me at !

The Client Our client is a leading global investment management firm operating a multi-strategy platform that combines cutting-edge technology with deep fundamental and quantitative research. With a presence across major financial centres in a collaborative global footprint spanning London, New York, and Asia, the firm manages a diverse portfolio across asset classes and strategies, supported by a world-class infrastructure and proprietary technology stack. The organisation is renowned for its collaborative, high-performance culture, one that empowers engineers to design, build, and operate systems that directly enable trading and investment decision-making. With trading volumes, data analytics, and cloud integration scaling rapidly, the firm is expanding its core network engineering function to ensure its systems remain ultra-low latency, secure, and globally consistent. This is a key hire in building the next generation of network architecture supporting the firm’s ambitious technology roadmap. What You’ll Get • Competitive base salary and performance-related bonus, • Private healthcare and pension contributions, • Exposure to a high-calibre trading environment and global technology platform, • Opportunities for professional development and advanced certifications, • A collaborative, high-trust culture that values expertise and innovation What You’ll Do As a Senior Network Engineer, you’ll play a central role in maintaining and evolving the firm’s global data and voice network. You’ll design and deliver projects that support both trading operations and broader business initiatives across data centres, offices, and cloud environments. Key responsibilities include: • Owning and supporting the global network and voice infrastructure, • Designing, implementing, and optimising secure, scalable network solutions, • Partnering with internal teams and external vendors to resolve complex network issues, • Leading infrastructure projects involving data centres, telephony, and cloud connectivity, • Performing proactive monitoring, maintenance, capacity planning, and performance tuning, • Driving automation and process improvement initiatives What You’ll Need • Minimum 5 years’ experience supporting enterprise-level data and voice networks, • Solid experience in financial or trading environments preferred, • Cisco CCNP (or equivalent) certification required, • Strong hands-on expertise with:, • Cisco 9500/9300 series switches, 2900/4400 routers, • Juniper SRX Firewalls, Cisco Meraki appliances, • Core technologies: BGP, OSPF, HSRP, spanning tree, VPNs, dot1x, ACI fabric, • AWS Direct Connect and Transit Gateways, • Knowledge of Cisco ISE and network automation (Terraform desirable), • Excellent analytical, communication, and problem-solving skills, • A proactive mindset with the ability to work independently in a fast-paced environment Interested? Please apply directly to confidentially discuss this opportunity and the broader infrastructure roadmap.

We are seeking a skilled and proactive Desktop Support Engineer (L2/L2.5) to provide end-to-end technical support for desktops, laptops, and IT infrastructure. The role involves troubleshooting, escalation management, proactive system monitoring, and collaboration with internal IT teams to ensure high service availability and client satisfaction. Roles and Responsibilities: • Provide L2/L2.5 level support for end-user issues via call, email, or chat., • Troubleshoot and resolve issues related to desktop/laptop hardware, operating systems (Windows 10/11/macOS), and applications., • Ensure timely prioritization and escalation of incidents to internal and external stakeholders., • Act as a single point of contact for rapid restoration of normal IT services., • Log, analyze, and resolve incidents and requests within defined SLAs., • Perform daily proactive health checks on infrastructure and applications., • Monitor desktop support remote network and IT infrastructure for potential issues., • Ensure that service requests are handled and resolved by appropriately skilled teams., • Provide support for Desktop SOE (Standard Operating Environment) across multiple platforms and applications., • Manage asset and inventory systems, including laptop build and deployment processes., • Work with tools such as Intune/JAMF for access management, configuration, and troubleshooting., • Conduct routine preventive maintenance and ensure smooth operation of user systems., • Participate in IT and business projects requiring desktop or system support., • Collaborate effectively with internal teams to ensure seamless delivery of IT services., • Contribute to service improvement initiatives and documentation of standard operating procedures., • Deliver high-quality support to critical business units, including banking and high-profile clients., • Exhibit strong professionalism and customer service skills in all interactions. Required Skills: • Strong knowledge of desktop/laptop hardware and desktop operating systems (Windows 10/11/macOS)., • Experience providing L2/L2.5 support in enterprise environments., • Proficiency in remote desktop support tools and enterprise ticketing systems., • Hands-on experience with Microsoft Intune and JAMF for device management., • Familiarity with asset and inventory management tools.

Job Title: Network Operations Analyst Job Description: The Network Analyst is responsible for first-second-third line technical support, maintenance and monitoring of highly available global financial network. An ideal candidate would work well in a busy team, be able to deal with a wide range of complicated infrastructure issues across multiple platforms as well as take ownership of daily and ongoing network issues. They will have excellent Data Center and Enterprise Network fundamentals and be motivated to work on complex infrastructure design and implementation projects as well as day to say support duties. Analyst Role and Responsibilities: • Day to day support., • Contribute to Root Cause Analysis for customer/internal outages and recommend resolutions., • Provide support to other technical teams., • Project / task delivery, • New installs and platform refresh / redesign (Data Center & Enterprise)., • Turn up services to third parties (CDN, Extranet services, VPN’s)., • Infrastructure hygiene (code upgrades, EOL hardware replacement)., • Understanding of Palo Alto and F5 load balancer from implementation & operation., • Contribute to continuous service improvement., • Network Automation., • Service reviews., • Document infrastructure procedures for internal support., • Update design documentation for internal and customer support., • Work with and refine enterprise monitoring solutions to ensure levels of monitoring and alerts are maintained., • Review new monitoring tools and Network practices., • Implement BAU changes in accordance with change management process (break fix, moves, adds & changes)., • Ad Hoc requirements., • Attend Data Centers and remote sites when required to carry out maintenance., • Network audits., • Pre and post power maintenance support., • Other., • Ensure smooth handover of Network issues between regions., • Participate in Monday to Friday shift pattern., • 07:00-15:00 GMT, • 11:00-19:00 GMT, • On-Call support duties including weekends (24x7 rota). Key Accountabilities: • Ensure projects and tasks are delivered to meet deadlines., • Ensure network issues are resolved within business recovery target times., • Ensure persistent problems are diagnosed and resolved., • Ensure accuracy of network documentation., • Network Handover process. Skills • Junos OS Fundamentals (Configuration, Operational Monitoring and Maintenance)., • Cisco IOS Fundamentals (Configuration, Operational Monitoring and Maintenance)., • Routing Protocols (EIGRP, OSPF and BGP)., • Route manipulation, redistribution & filtering., • Good understanding and experience with Wi-Fi networking principles including design, installs, maintenance and troubleshooting preferably with Extreme Networks platform., • Capable of multi-tasking, good time management and prioritisation of workload., • Good communicator both written and verbal., • Work well in a busy team, being quick to learn and able to deal with a wide range of issues. Qualification • Cisco CCNP routing & switching., • JNCIA-Junos certifications., • Wireless foundational certifications. Experience • 5 + years senior Network engineer supporting high volume, high availability financial trading environment., • Experience in delivering and supporting Wireless., • Experience of working within multi- team environment., • Experience of working in a multi-vendor infrastructure environment.

Network Engineer - Enterprise Networks £60,000 - £75,000+ benefits - hybrid working (3 days WFH each week) The Network Engineer / Senior Network Engineer will join a global team supporting Cisco infrastructure, responsible for the implementation and support of on prem network infrastructure ensuring optimum network uptime. The role joins the Network Operations team supporting large scale projects and Enterprise networks with scope for upskilling in IaC and Cloud technologies. The company offices are central London with hybrid working options – 3 days WFH each week with flex to choose which days you are in the office. Required skills and experience: • 5+ years of proven experience supporting and configuring Cisco network devices, Firewalls, Switches, Load Balancers, • Strong experience of configuration protocols with OSPF and BGP and Layer7 switching, VPNs and related protocols, • Enterprise level Cisco Networking environment experience - supporting multiple data centres, • Network Design, WAN / LAN, • Cisco certified All candidates must be UK based and eligible for Security clearance Please apply to this advert to discuss the details

If you need support in completing the application or if you require a different format of this document, please get in touch with at or call TCS London Office number 02031552100 with the subject line: “Application Support Request”. Role: Senior GCP Cloud Infra Engineer Job Type: Permanent Location: Bristol, Leeds, Halifax, Manchester, Edinburgh, London (Hybrid) Number of hours: 40 hours per week – full time Are you looking for an exciting opportunity in Google Cloud Infra, product and DevOps capabilities? Are you passionate about designing and developing Golang based microservices? We have an exciting role for you - Senior GCP Cloud Infra Engineer Careers at TCS: It means more TCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful difference to the people and communities they serve - our clients include some of the biggest brands in the UK and worldwide. For you, it means more to make an impact that matters, through challenging projects which demand ambitious innovation and thought leadership. • Build strong relationships with a diverse range of stakeholders., • Gain access to endless learning opportunities., • Work closely with the range of teams within the business to bring products to life. The Role As a Senior GCP Cloud Infra Engineer, you will be part of our Public Cloud Platform and help achieve our mission to provide compliant and efficient Google Cloud Infra, product and DevOps capabilities for the Group and drive innovation to enable customers to have rapid and seamless Google Cloud Adoption and build their business journeys more scalable, resilient and efficient . Your role will be part of a cross-disciplinary feature team in addition to being a highly experienced member of our wider Lloyds engineering team delivering change. Your role as a GCP Cloud Infra & DevOps specialist involves supporting teams with modern DevOps solutions, curating scalable GCP Cloud Products as IaaC. You'll learn new skills, technologies and approaches to software development as well as benefiting from a culture that celebrates diversity, equal opportunity. Key responsibilities: • Hands-on GCP Cloud Engineering with a strong GCP DevOps and CI/CD background, • Deep expertise in Infrastructure as Code (IaC) and proven experience in Terraform / Terraform Cloud., • Strong hands on experience on curating GCP Cloud Products and Infrastructure, • Build automated workflows around the products using Python Scripting., • Proficient in Google Kubernetes (GKE), Container, Istio Service Mesh, Cluster Management, • Audit and restructure existing Terraform modules and state files, • Migrate legacy configurations into unified, reusable templates, • Implement security-focused Terraform modules with embedded guardrails and policy-as-code (e.g., Sentinel, OPA), • Enforce GCP Org Policies with constraints like IP restrictions, network policy, Access Management, encryption, and region control for secure, compliant cloud governance, • CI/CD Integration ., • Implement automation pipelines for infrastructure-as-code deployments. Your Profile Essential skills/knowledge/experience: • GCP Cloud Engineering, GCP DevOps & Infra, • Terraform / Terraform Cloud (IaaC), • Python Scripting., • Harness, Jenkins, GitHub, • Google Kubernetes (GKE), Container, Istio Service Mesh, • GCP Organisation Policy, Custom Org Policy (Policy as a Code) – Sentinel/OPA, • GCP and Terraform Certified, • Good to have experience working in an IDE Platform for Cloud Engineering (e.g. Backstage) Desirable skills: • Experience as a GCP Cloud SME., • Experience as a Technical Consultant in guiding Design, Architecture and Strategy. Rewards & Benefits TCS is consistently voted a Top Employer in the UK and globally. Our competitive salary packages feature pension, health care, life assurance, laptop, phone, access to extensive training resources and discounts within the larger Tata network. Diversity, Inclusion and Wellbeing Tata Consultancy Services UK&I is committed to meeting the accessibility needs of all individuals in accordance with the UK Equality Act 2010 and the UK Human Rights Act 1998. We believe in building and sustaining a culture of equity and belonging where everyone can thrive. Our diversity and inclusion motto is ‘Inclusion without Exception’. Our continued commitment to Culture and Diversity is reflected across our workforce implemented through equitable workplace policies and processes. You’ll find a welcoming culture and many internal volunteering and social networks to join (these are optional). Our diversity, inclusion and social activities include 12 employee networks such as gender diversity, LGBTQIA+ & Allies, mental health, disability & neurodiversity inclusion and many more, as well as health & wellness initiatives and sports events and we sponsor the London Marathon. We welcome and embrace diversity in race, nationality, ethnicity, disability, neurodiversity, gender identity, age, physical ability, gender reassignment, sexual orientation. We are a disability inclusive employer and encourage disabled people to apply for this role. If you are an applicant who needs any adjustments to the application process or interview, please contact us at with the subject line: “Adjustment Request” or call TCS London Office 02031552100 to request an adjustment. We welcome requests prior to you completing the application and at any stage of the recruitment process. Next Steps Due to a high volume of applications, we will be unable to contact each applicant individually on the status of their application. If you have not received a direct response within 30 days, then it should be deemed unsuccessful on this occasion. Join us and do more of what matters. Apply online now.

Fire & Security Role: Are you a Security Systems Remote Technical Support Engineer? Paying up to £30k What can you expect as an employee: • Competitive salary with structured shifts, • 4 on / 4 off shift pattern (2 days, 2 nights – 6am–6pm / 6pm–6am), • Full-time, 100% office-based role in Belfast, • Company committed to supporting flexible working requests from day one, • Opportunities to develop technical expertise The ideal candidate would have: • Minimum 3 years' experience across multiple disciplines (Intruder, CCTV, Access Control, Fire), • Strong customer focus and excellent telephone manner, • Team player with strong interpersonal and communication skills, • Ability to prioritise and manage workloads effectively, • General fire systems knowledge with Network/IP-based product experience Qualifications: • Knowledge of UDL software across Galaxy, ATS, Intruder Panels (desirable), • Experience with Cash4Windows (desirable), • Exposure to enterprise-level networked CCTV systems (e.g., Cathexis) (desirable), • Remote programming experience for enterprise-level access control systems (desirable) About the role: • Provide technical support and troubleshooting to both engineers and end users across fire and security systems, • Use remote diagnostic tools and telephone support to resolve issues, reducing the need for field engineer callouts, • Prioritise workload to ensure contractual deadlines are met, • Handle customer calls with professionalism, meeting internal service standards, • Work closely with customer service and scheduling teams, • Deliver accurate, timely information to engineers and customers Don’t miss out on this exciting opportunity to join the team and make a difference in the fire and security industry. Apply today and take the next step in your career!

Role- Senior Network Engineer Location- London, UK (Hybrid) Employmenent type- FTC(Fixed Term Contract) · Checkpoint, Juniper SRX and Palo Alto Firewall knowledge (deployment and administration). Priority would be Palo Alto and Checkpoint being used for the role around 65% of day-to-day operations. · Knowledge for Routing and Switching (35%) of the role would comprise of this especially for the upcoming LAN refresh in our DC’s. Good overall understanding of Layer 2 and Layer 3 concepts. · Knowledge of ACI Fabric’s would be useful including automation and scripting. · ISE NAC and monitoring tools such as Solarwinds. · Solid understanding of network fundamentals: This includes knowledge of network protocols (TCP/IP, BGP, OSPF), different network devices (routers, switches, firewalls), and network architectures (LAN, WAN, WLAN). · Network device configuration: The ability to configure routers, switches, firewalls, and other network equipment using vendor-specific commands or tools. · Troubleshooting and problem-solving: Network engineers must be adept at identifying, diagnosing, and resolving network issues that can arise from hardware, software, or configuration problems. Familiarity with network monitoring tools ·Good understanding of security principles: knowledge of security concepts for firewall, VPN’s, data etc to maintain a healthy network. Roles and Responsibilities: § Installing and configuring network devices: This involves setting up routers, switches, firewalls, and other network equipment according to network specifications. § Troubleshooting network issues: When network problems arise, network engineers diagnose the cause and implement solutions to restore functionality. § Supporting network users: They may also provide basic network support to end-users, resolving connectivity issues or answering questions about network resources. § Documenting network configurations: Maintaining clear and up-to-date network documentation is crucial for future troubleshooting and reference

We are seeking an experienced VDI Engineer to maintain and support a high-performance Virtual Desktop Infrastructure (VDI) environment for our End Clients Trading Desk and Front Office users. The ideal candidate will have deep expertise in low-latency systems, Citrix or VMware Horizon platforms, and a strong understanding of financial trading workflows. This role requires close collaboration with traders, application teams, and infrastructure engineers to ensure a seamless, secure, and performant end-user experience. Key Responsibilities • Maintain VDI environments (Citrix / VMware Horizon / Azure Virtual Desktop) optimized for high-performance trading applications., • Assist with VDI Design and build., • Onsite Support for incident response and problem management., • Monitor, troubleshoot, and tune VDI performance to minimize latency and maximize reliability., • Provide Tradefloor support for Trader Users., • Laise with network, storage, and systems teams to optimize backend infrastructure supporting virtual desktops., • Deploy and maintain images, applications, and profiles for traders., • Laise with information security team to ensure compliance with internal and regulatory standards., • Maintain documentation of VDI architecture, configurations, and operational procedures., • Participate in on-call rotation and provide support during market hours., • W2 Employment with 40 hours per week., • Our end client in a multinational investment Bank based in New York City. Required Qualifications • Bachelor’s degree in computer science, Information Technology, or equivalent experience., • 5+ years of experience managing VDI environments (Citrix Virtual Apps/Desktops, VMware Horizon, or Azure Virtual Desktop)., • Strong understanding of Windows 10/11, Windows Server, Active Directory, Group Policy., • Experience with Bloomberg, Reuters, Eikon, and custom trading applications., • Exposure to real-time market data systems and FIX protocol environments., • Knowledge of cloud-hosted VDI (Azure, AWS WorkSpaces).

Job Title: Senior Network Engineer - Cisco Professional Services Location: London (3 days onsite per week) Salary: £90,000 The Company A leading Cisco Professional Services Partner, this organisation specialises in delivering next-generation network infrastructure to clients in the financial and professional services sectors. Operating at enterprise scale, they design, implement, and optimise complex Cisco environments that demand the highest standards of performance, security, and reliability. You’ll join a collaborative and technically accomplished team that’s passionate about innovation and continuous learning. This is an ideal environment for a motivated engineer looking to take the next step in their Cisco career, working on enterprise-level transformation projects alongside some of the industry’s most respected experts. Roles & Responsibilities As a Senior Network Engineer, you’ll be responsible for designing, implementing, and maintaining advanced Cisco network solutions across large-scale financial and enterprise environments. Key responsibilities include: • Designing, configuring, and deploying Cisco-based network infrastructure., • Supporting enterprise network transformation and optimisation projects., • Collaborating with consultants, architects, and client stakeholders on solution delivery., • Providing hands-on technical guidance and troubleshooting for complex network issues., • Keeping up to date with emerging technologies and Cisco best practices., • Assisting in automation, SDN, and cloud-network integration projects (ACI, SD-WAN, DNA Center). Your Skills & Experience • CCIE certified (Routing & Switching, Enterprise, or Data Center) - recently achieved or in progress., • Strong hands-on experience with Cisco technologies including Nexus, ACI, Catalyst, ASA, and ISE., • Exposure to or keen interest in automation and cloud-network integrations (ACI, SDN, SD-WAN, DNA Center)., • Proven experience supporting large-scale enterprise or financial services environments., • Excellent communication skills with the ability to engage with technical and non-technical stakeholders., • Strong analytical mindset and problem-solving abilities. Company Benefits • Hybrid working (3 days per week onsite in London)., • Opportunity to work on high-profile financial sector projects., • Structured career development and training support., • Access to leading Cisco technologies and next-gen network environments., • Collaborative, technically driven team culture. JOB ID: #3460242

Senior Backend Engineer (Application & AI Orchestration) Overview We are seeking a deeply technical and security-minded Senior Backend Engineer to join a newly-founded, high-impact AI joint venture. Backed by five of the world's leading telecommunications giants, our mission is to restore trust in global voice communication. Our mission is to restore trust in voice communication by building a network-native intelligence layer to stop fraud and create a new category of secure, AI-powered user experiences. We are a “Phase 2” company, meaning we are building the foundational engineering team that will define our culture and our success. This role is the Core Logic Owner for our flagship AI experience: the Personal Welcome Manager. While our Security Shield product leverages unique, pre-call telco data to provide sub-500ms trust indicators, the Welcome Manager is our AI innovation showcase and primary monetization driver. This product features an AI agent that screens unknown callers as they ring, provides a live transcript, and allows for mid-call user intervention. As the Senior Backend Engineer for Application & AI Orchestration, your central challenge will be solving the “cumulative latency” puzzle. You will be singularly responsible for orchestrating a best-in-class, “buy, don't build” AI stack (STT → LLM → TTS) to deliver a seamless, natural, and responsive voice-to-voice (V2V) experience, targeting a sub-1000ms latency from the moment a caller stops speaking to the moment our AI begins its response. You won't just be integrating APIs; you will be architecting the real-time, high-throughput nervous system of our core AI product. Key Responsibilities AI Orchestration & Core Logic • Own the end-to-end backend architecture for the Personal Welcome Manager, our flagship conversational AI product., • Design, build, and optimize the core AI orchestration pipeline (STT → LLM → TTS) to meet our < 1000ms V2V latency target., • Serve as the technical lead for our "Buy, Don't Build" AI strategy, integrating, managing, and evaluating third-party AI services from providers like Vapi, Deepgram, and Cartesia., • Implement the core application logic for all Welcome Manager features, including intent-capture, post-call summarization with entity extraction, and error handling. API & Application Development • Design, build, and scale the mission-critical, high-availability RESTful APIs that serve our mobile clients (Android-first)., • Architect and manage the real-time streaming data flows (audio and text) required for the live transcription feature, utilizing technologies like WebSocket., • Implement the backend logic for user-facing features, such as mid-call intervention (allowing a user to accept a call during pre-screening). System Architecture & Quality • Collaborate on the design of our cloud-native, microservices-based architecture to ensure all application services are scalable, resilient, and cost-efficient., • Work with the Platform & Security engineer to ensure all services adhere to our mandatory Zero Trust security architecture and protect sensitive user data., • Implement comprehensive monitoring, logging, and alerting for the entire AI pipeline, with a focus on our key latency (V2V), quality, and cost metrics. Cross-functional Collaboration • Partner closely with the Senior Android Engineers to define robust API contracts and ensure a seamless, low-latency experience for the live transcript and mid-call intervention features., • Collaborate with the Senior Backend Engineer (Telco Integration) to consume and orchestrate the proprietary network signals that power our Security Shield., • Work with the Product Manager and UX/UI Designer to translate complex product requirements and the “1000ms UX flow” into a concrete technical reality., • Collaborate with the DevOps Engineer on CI/CD pipelines, Kubernetes-based service deployment, and infrastructure scaling. Required Qualifications Education & Experience • Bachelor's degree in Computer Science or a related technical field, or equivalent practical experience., • 7+ years of hands-on experience in backend development, building and maintaining high-availability, high-throughput systems in production. Technical & Backend Skills • Expert-level proficiency and at least 5 years of production experience with Go (Golang). This role is centered on Go, and we require deep experience with its concurrency patterns and performance tuning., • Strong, proven experience designing, building, and scaling high-availability RESTful APIs for mobile or web clients., • Deep experience with distributed systems, microservices architecture, and event-driven patterns., • Demonstrated experience with real-time applications and data streaming technologies (e.g., WebSockets, gRPC, Kafka)., • Experience integrating third-party AI/ML APIs (e.g., LLMs, STT/TTS, or other complex services) into production systems., • Experience with containerization (Docker, Kubernetes) and deploying/managing services on a major cloud platform (AWS, GCP, or Azure). This is a permanent position with hybrid working of two days a week in the central London office and the rest WFH. The salary is very much dependant on experience with a guide between £110k-£140K basic + package.

As a Cyber Security Engineer, you will play a crucial role in safeguarding our clients’ digital assets and infrastructure from cyber threats. You will be a key technical resource, responsible for designing and maintaining secure solutions and delivery systems, ensuring services are configured securely according to industry standards. Skills • Proven experience in cyber security engineering or related roles, with a strong understanding of network security principles, protocols and technologies., • Experience with security tools such as firewalls, intrusion detection / prevention systems, SIEM solutions (i.e. Splunk, Exabeam, Sentinel, Chronicle) and endpoint security platforms to the level of administration and deployment., • Exposure to SOAR tools, observability tools and data stream processing tools, • Hands-on experience with vulnerability assessment tools, penetration testing methodologies and forensic analysis techniques., • Experience in writing content / polices for monitoring in line with MITRE ATT&CK framework, • Familiarity with regulatory requirements such as GDPR, HIPAA, PCI DSS, and industry standards like NIST Cybersecurity Framework.

💼 Senior Cloud Network Engineer 👔 Crypto 📍 London (2-3 days p/w) 💵 £100-140k Do you want to work for a rapidly scaling Crypto startup who are backed by one of the top global banks? Do you want to play an integral role in the tech team, utilising both AWS Cloud and Networking skillsets? My client are a highly successful blockchain startup who's cutting edge approach to Trading and Asset Management is making big waves in the wider Crypto space. They now have an imminent requirement for a Senior Cloud Network Engineer to help with the ongoing support and optimisation of their platform. Their ideal candidate would have good knowledge of: • Cloud (AWS), • Core Networking (LAN/WAN, routing/switching, firewalls, load-balancing, DNS), • Network Security (Perimeter Networks/FWs, Proxies, Remote Access, SASE/VPN, DDoS), • Palo Alto Firwalls, • Automation (Terraform, Ansible), • Data Centres / OnPrem, • Support / Troubleshooting experience In return they would be offering a competitive salary along with a number of top benefits: • Generous salary, • Annual Bonus, • Private Medical, • 25 days AL (+ public), • Matched pension, • L&D Fund, • Hybrid working, • Plus the chance to make a big difference in a tight night, growing team If you’re experience with both AWS and Networking skillsets and are keen to work for an exciting Crypto client in a business critical capacity then please apply right away!

Contract Network Engineer • London 3 days PW, • Rate: £500 PD (Inside IR35), • 6-12 Month Contract Overview We are seeking a skilled Network Engineer on a contract basis to join our clients IT Operations team. In this role, you will ensure the reliability, performance, and security of critical network infrastructure across the company, data center, and multi-cloud environments (AWS/GCP). While primarily focused on networking, you will also support occasionally on systems administration tasks as needed, making you a versatile contributor in a fast-paced, collaborative environment supporting cutting-edge technology. Role and Responsibilities • Administer, operate, and maintain enterprise network infrastructure, including LAN/WLAN, VPNs, DNS/DHCP/IPAM, firewalls, and cloud networking (AWS, GCP)., • Proactively monitor and troubleshoot performance, availability, and connectivity issues, taking ownership of incident resolution end-to-end., • Support systems administration tasks when required, including account provisioning, server patching, storage, and backup troubleshooting., • Strengthen network security through policy enforcement, configuration audits, and adherence to best practices., • Collaborate with IT Engineering on network design reviews, ensuring smooth handoffs into production., • Document configurations, standard operating procedures, runbooks, and network diagrams to facilitate knowledge sharing., • Participate in the UK on-call rotation for critical issues outside regular business hours. Skills and Experience • Experience in enterprise network operations and troubleshooting., • Proven ability to configure and support LAN/WLAN environments, routing/switching, VLANs, and DNS/DHCP., • Knowledge of routing protocols and networking technologies such as BGP, VRRP/HSRP, TCP/UDP, LACP., • Strong diagnostic skills using packet capture and other troubleshooting tools., • Excellent communication and documentation skills, with a proactive problem-solving mindset., • Willingness to assist with systems administration tasks when required. Beneficial: • Experience with Arista EOS, CloudVision, or similar network platforms., • Familiarity with firewalls (Palo Alto preferred), network access control (802.1x, RADIUS), or zero-trust security concepts., • Exposure to infrastructure-as-code (Terraform, Ansible) and version control systems (Git)., • Experience with monitoring and observability tools (LogicMonitor, Grafana, Prometheus)., • Knowledge of hybrid cloud networking, including AWS Direct Connect or GCP Interconnect., • Relevant certifications such as CCNP, AWS Advanced Networking Specialty, or Google Cloud Network Engineer.

Data Center Technical Operations Engineer 6 Months Up to £250 a day Inside IR35 London - Heathrow Key Skills: Knowledge and experience of mechanical systems (Mechanical, HVAC systems, Controls), or knowledge and experience of key electrical competencies and theory AWS Infrastructure Services owns the design, planning, delivery, and operation of all AWS global infrastructure. In other words, we’re the people who keep the cloud running. We support all AWS data centers and all of the servers, storage, networking, power, and cooling equipment that ensure our customers have continual access to the innovation they rely on. We work on the most challenging problems, with thousands of variables impacting the supply chain — and we’re looking for talented people who want to help. You’ll join a diverse team of software, hardware, and network engineers, supply chain specialists, security experts, operations managers, and other vital roles. You’ll collaborate with people across AWS to help us deliver the highest standards for safety and security while providing seemingly infinite capacity at the lowest possible cost for our customers. And you’ll experience an inclusive culture that welcomes bold ideas and empowers you to own them to completion. Amazon is seeking a collaborative electrical maintenance professional for our Amazon Web Services Team. This engineering operations technician position serves as the on-site maintenance technician and operator for an AWS data centre. The Data Centre Engineering Operations Technician (EOT) is responsible for operating and maintaining all electrical, mechanical, emergency generator, and fire/life safety equipment within the data centre. The EOT serves as a technical resource to support Amazon within its data centres. Data centre equipment that supports mission-critical servers must maintain better than 99.999% uptime. EOT’s are also tasked with driving innovation while reducing operational costs in the facilities. Key job responsibilities Responsibilities: • Operate and maintain mechanical and electrical equipment, • Troubleshooting of facility and rack-level events within internal SLAs, • Perform limited maintenance tasks to include: filter changes, HVAC PMs, rack power installs, rack PDU, and rack ATS replacements, • Provide support to Data Centre Operations technicians, • Perform root cause analysis of equipment failures, • Ensure all safety procedures are adhered to while performing work, • Take daily operational readings of all mechanical and electrical equipment through routine rounds/log taking (temperatures, voltages, currents, etc.), • Utilise internal CMMS to manage building workflows and spare part inventory, • Supervise contractors who perform servicing or preventive maintenance, • Respond to off hour emergency calls per on call rotation for any one of the region’s sites, • Fully comply with all physical security procedures and policies Safety - Follow and maintain the highest safety standards and diligently encourage a world-class safety culture. As a facility owner team, ensure remediation of safety risks/issues in conjunction with other teams. Own the safety initiatives and projects to foster strong safety culture. Engineering & Facility Operations and Maintenance - Operational experience and familiarity with electrical and mechanical equipment, including Uninterruptable Power Supplies (UPS’s), Switchgear, Circuit Breakers, Automatic Transfer Switches (ATS's), Diesel Generators, Chillers, Heating Ventilation Air Conditioning (HVAC), Exhaust Fans, Variable Frequency Drives (VFD's), and Transformers If you are interested please apply or send your CV to

Senior Software Engineer / Developer (Python FastAPI Data) London to £90k Are you a data centric Software Engineer with strong Python and SQL skills? You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses on developing a complex SaaS calculation platform for rapidly growing Cybersecurity insurance markets. As a Senior Software Engineer you will design and develop data centric backend services for the core platform with a focus on Python coding and building FastAPIs within an Azure environment with Databricks. You'll participate in the design and implementation of advanced mechanisms for data ingestion, transformation, mass parallel orchestration of network IO and will model data for a variety of purposes. You'll also collaborate with the Infrastructure Team to maintain Infrastructure as Code and develop new features on the engineering platform. Location / WFH: There's a hybrid work from home model with three days a week in the high spec London, City office with rooftop bar. About you: • You have strong Python backend software engineering skills, • You have experience of building FastAPIs, • You have a good knowledge of public cloud services, they're using Azure but experience with AWS or GCP is fine, • You have experience of working with data at scale, • You have strong SQL skills (PostgreSQL, SQL Server and ideally Databricks, or happy to learn it), • You have a thorough knowledge of Computer Science fundamentals including Data Structures, Design Patterns, OOP, • You're collaborative and pragmatic with great communication skills What's in it for you: As a Senior Software Engineer you will receive a competitive package: • Salary to £90k + bonus, • 25 days holiday, • Private Medical Insurance (including dental and optical cashback), • Life Insurance, Income Protection, • Pension, • Subsidised gym membership, • X4 paid volunteering days per year, • Season ticket loan, • Employee Assistance Programme, • Impactful role with great career progression Apply now to find out more about this Senior Software Engineer / Developer (Python FastAPI Data) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Platform Engineer – Quantitative Crypto Trading Firm | London | Sponsorship and relocation support available Join a leading quantitative crypto trading firm building globally distributed, ultra-low-latency systems that power their research and execution platform. You’ll work at the intersection of infrastructure, software, and performance engineering - solving deep technical problems at scale. What you’ll do: • Own and optimise infrastructure behind a 24/7 web data and trading platform spanning multiple clouds and regions., • Tune Linux network stacks, automate infrastructure, and reduce latency across the pipeline., • Partner closely with developers and infra teams to improve architecture, reliability, and performance., • Drive adoption of modern tooling (Python, Bash, Terraform, Kubernetes, Prometheus, etc.) while staying hands-on. What we’re looking for: • Proven experience managing production systems in a global cloud environment, ideally across multi-region or multi-cloud setups., • Hands-on experience configuring and managing proxy servers in complex, distributed environments, • Skilled in Python/Bash and comfortable debugging distributed systems., • Experience in high-throughput, low-latency, or large-scale environments (finance, trading, or scraping preferred). If you’re an engineer who loves optimisation, systems performance, and solving real production challenges - please apply.