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IT Systems Engineer is member of the IT Infrastructure team, responsible for both the delivery of infrastructure projects and the ongoing support of the server infrastructure. The role focuses on ensuring the smooth operation, modernisation, and security of IT systems while contributing to various business-wide projects. This position is designed for IT professionals with previous experience in 2nd or 3rd-line infrastructure support within medium to large organisations. As an IT Systems Engineer, you will be instrumental in maintaining and enhancing the IT infrastructure. Your role will involve the deployment of new technologies, improvement of existing systems, and ensuring that all operations align with industry best practices. This position offers a dynamic and challenging environment, perfect for those who are passionate about IT infrastructure and its critical role in business operations. KEY RESPONSIBILITIES AND ACCOUNT ABILITIES: • Maintain and support our client's server infrastructure., • Ensure the continuous operation of primary and disaster recovery data centres through regular health checks., • Participate in infrastructure-related projects, ensuring they meet business objectives and time lines., • Collaborate with other IT teams and business units to ensure successful project implementation., • Enhance system reliability and security by adhering to and implementing industry best practices., • Ensure all infrastructure components are updated, patched, and protected against security threats., • Provide support for server, network, and related infrastructure issue troubleshoot complex technical problems, ensuring system availability and optimal performance., • Identify opportunities to enhance infrastructure efficiency, reliability, and security., • Stay informed of industry trends and emerging technologies to introduce innovative solutions., • Maintain and secure the IT infrastructure, focusing on anti virus, firewalls, and endpoint protection., • Provide escalation support to the Help desk team., • Ensure comprehensive documentation of procedures and keep system documentation, network diagrams, and support processes regularly updated, • Provide out-of-hours support and maintenance when required., • Responsibility for the health, safety and well being of yourself and colleagues in the workplace. QUALIFICATIONS REQUIRED: • Minimum of 2 years in a similar role within a medium to large organization., • Proficient in Microsoft Windows Server technologies and VMware virtualization., • Strong understanding of networking concepts such as LAN/WAN, IPv4/IPv6, DNS, DHCP, IP addressing, VLAN, and QoS., • Familiarity with Office 365, Azure, and other cloud platforms., • Excellent troubleshooting skills for server, storage, and network issues., • Experience supporting business-critical applications, managing backups and restores, patching servers, and monitoring infrastructure performance., • Strong communication skills across all levels of the business., • Must possess all relevant work permits for the UK and security clearances (DBS and CTC)., • Relevant Vendor training and certifications DESIRABLE: • Experience supporting mission-critical cloud-based systems, particularly Azure., • Knowledge of and experience with Palo Alto firewall configuration., • Proficiency in Power Shell scripting. This role is ideal for an IT professional with a robust background in infrastructure management, strong troubleshooting skills, and a proactive approach to maintaining and improving IT systems. You should be comfortable working in a dynamic environment where infrastructure reliability and security are critical to business operations..

For us, tech has never been about just hardware or software. It’s about people. It’s our meaningful relationships, deep expertise and practical know-how in technology that drive what we do. We put our customers, our partners and the environment at the heart of everything we do and our people are the difference that make the difference. At boxxe, we understand, we collaborate, we simplify, we care and we deliver; together we are making tech human. This role is part of the Boxxe Group, specifically within CAE, a key division of the group. While the position is advertised under Boxxe, the successful candidate will be based on a CAE HQ in Hemel Hempstead. Your Mission 💪 As the CAE Infrastructure Technical Team Lead, you are responsible for overseeing the 2nd and 3rd line infrastructure support team within a managed services environment. The team oversees the technical infrastructure both within CAE and externally for our customers, ensuring it is maintained, secure, and available to meet business needs. This role involves leading a team, managing transition into service, and collaborating with other departments to resolve issues and deliver new services.You will work across a broad range of technologies, which include virtualisation (Hyper-V and VMWare), servers (both hardware and software) and be involved in supporting and deploying CAE’s back up and monitoring toolsets. This is very much a player/manager role that will require you to use both your technical and leadership skills. What you’ll be doing 🎯 • Ensuring the availability, security, and capacity of our customers’ and internal infrastructure, • Troubleshooting and resolving technical issues in a timely manner, • Managing the support of infrastructure solutions, • Managing the delivery of new services and changes to existing services, • Providing input into Service Transition and ensuring successful go-live of new contracts, • Managing the planning and execution of system and/or acceptance tests, • Developing and maintaining infrastructure standards and procedures, • Possessing in-depth knowledge of infrastructure technologies, including compute, storage, networking, and cloud platforms, • Working closely with the service desk, NOC teams, and other departments to resolve incidents and problems, • Collaborating with technical and business teams to proactively identify opportunities for service improvement and changes in the services delivered to our customers, • Driving a culture of customer intimacy and employee satisfaction in line with CAE values What experience we think you’ll need 🚀 • Microsoft MCSA or MCP Qualification, • ITIL Foundation or familiarity with ITIL or other service desk methodologies such as SDI, • Strong technical skills and knowledge of infrastructure technologies and associated hardware, software and support tools, • Strong working experience supporting Microsoft Server OS including AD & Group Policy, • Microsoft Exchange Administration & Support including Office365 Hybrid configurations, • Office365 Administration/Support including Exchange/Teams/SharePoint, • Virtualisation technologies (Hyper-V, VMware), • Previous experience using an ITSM Platform e.g Autotask, Service-Now etc, • Ability to plan, prioritise, and manage resources effectively, • Demonstrated experience in leading and/or managing technical teams, • Exposure to Microsoft Azure or AWS (Desired), • Citrix - Virtual Desktop/Apps, NetScaler (desired), • Office 365 Identity Management, Security & Compliance (desired), • Experience with SaaS monitoring solutions (LogicMonitor, ScienceLogic, SolarWinds) (desired) At boxxe we believe that business should be about more than just profits. Sustainability is a core value. We are committed to reducing our environmental impact, encouraging inclusive working environments, and trading ethically. Everyone at boxxe is responsible for considering the impact of their actions on the environment and for reducing our carbon footprint through embracing Work from Anywhere (in the UK) principles, minimising travel by using virtual technology and adopting sustainable practices. boxxe embraces diversity. As an equal opportunity employer, we are committed to building a team that represents a variety of backgrounds, perspectives, and skills. boxxe does not discriminate based on race, religion, colour, national origin, sexual orientation, gender identity, age, marital status, veteran status, or disability status. All our employment is based on qualification, excellence, and business need.

Main purpose of post: The Cybersecurity Department provide support for all electronic communications systems at the site, as well as taking a leading role in delivering technology change / improvement projects and managing external support agreements. The Cyber Security Analyst is required to focus on the detection, investigation and response to cyber security events and incidents. Other tasks involve BAU security tasks, supporting cyber security projects and assisting with regulatory compliance. The role will involve using a diverse security toolset and the successful applicant will build extensive experience in all areas of cyber security. Daily tasks will involve the following: • Endpoint monitoring and analysis., • Incident readiness and handling as part of the Computer Security Incident Response (CSIRT) team., • Monitor and administer Security Information and Event Management (SIEM)., • Malware analysis and forensics research., • Understanding/ differentiation of intrusion attempts and false positives., • Investigation tracking and threat resolution., • Vulnerability identification & mitigation / remediation., • Compose security alert notifications., • Help develop cyber security process & procedures., • Advise incident responders & other teams on threat., • Triage security events and incidents apply containment and mitigation/remediation strategies., • Generate reports and document security incidents / events., • Proactively monitoring the performance of systems, and make regular routine inspections of installed equipment and take corrective avoidance actions to prevent wider problems., • Act as the point of escalation for the Service desk for security related tickets., • Analysis of weekly vulnerability scans and update relevant records., • Responsibility for the health, safety and wellbeing of yourself and colleagues in the workplace; supporting our journey to create an open and honest wellbeing culture. Key requirements for the role: Essential • A well organised and structured approach to work planning, time allocation to tasks, and a flexible approach to daily routines to deliver the desired results., • An ambition to constantly learn new skills and develop knowledge, with an understanding that study time outside of working hours may be required for career development., • Credible knowledge/experience in Microsoft Windows Operating Systems., • Credible knowledge/experience of Active Directory, Group policies, TCP/IP, DNS, DHCP and Exchange Server., • Capable of effectively multi-tasking, prioritizing work, and handling competing interests, • Capable of analysing information technology logs and events sources preferred, • Working knowledge of data storage systems, data backup and restoration methods., • Understanding of security tooling, its purpose and functionality (Anti-Malware, IPS, Web and Email Gateways, security analysis tools, web security tools, next generation firewall/UTMs), • A team player with good work ethic, communication skills and a professional who maintains customer-service based approach., • Ability to work independently while managing support to a high standard, • Contribute credibly to IT department’s delivery of SLAs and other support targets, • Self-motivated to advance own knowledge & gain formal qualifications, • Ability to analyse vulnerabilities, threats, designs, procedures and architectural design, producing reports and sharing intelligence, • Advanced knowledge of computer forensics; legal, government and jurisprudence as they relate to cybersecurity; operating systems; and methods for intelligence gathering and sharing, • Knowledge of Cloud computing, computer network defence, identity management, incident management and network security., • Significant experience within a SOC environment., • Incident response experience, • Qualification / Certification in Cyber Security Desirable • IT Qualifications / Certifications such as CompTIA A+, Network+, Security+, • IT Helpdesk experience or knowledge, • Cyber Security Operation Centre experience, • Qualification / Certification in Cyber Security Person Specification: • Communication. Structures and conveys information and ideas effectively. Communicates to ensure they are understood by others, that they understand others and share information with colleagues at all levels., • Customer Focus. Understands what the customer needs and then works to exceed their expectations and meeting their individual needs., • Achieving results. Knows what needs to be achieved by when. Anticipates obstacles. Motivates self and others to overcome barriers and achieve results., • Personal Responsibility & Credibility. Take personal responsibility for making things happen and achieving results, working with their line manager. Displays commitment, accountability and conscientiousness. Acts with integrity., • Planning & Organising. Identifies a goal and puts in place a sequence of steps to ensure priorities are delivered on time, making effective use of resources, • Team Focus. Develops effective working relationships inside and outside traditional boundaries to achieve organisational goals. Breaks down barriers between groups and involves others in discussions and decisions You will be required to pass a range of referencing and vetting checks, including a Criminal Record Check and a Counter Terrorism Check (CTC). You must also have lived in the UK for at least 3 years with a 5-year work history, unless in education. This job description is intended to give an appreciation of the role and the range of duties and responsibilities to be undertaken. It does not attempt to detail every activity. Specific task and objectives will be agreed on an on-going basis. The post holder will be required at all times to perform any other reasonable tasks, as requested by the Line Manager in order to meet the operational needs of the business.

Company When it comes to innovation and achievement there are few organisations with a better track record. Join us and you’ll be able to play a big part in the success of our highly successful, fast-paced business that opens up Europe so that people can exercise their get-up-and-go. With almost 300 aircraft flying over 1,000 routes to more than 32 countries, we’re the UK’s largest airline, the fourth largest in Europe and the tenth largest in the world. Set to fly more than 90 million passengers this year, we employ over 10,000 people. Its big-scale stuff and we’re still growing. Job Purpose With a big investment into Databricks, and with a large amount of interesting data, this is the chance for you to come and be part of an exciting transformation in the way we store, analyse and use data in a fast paced organisation. You will join as a Senior Platform Data Engineer providing technical leadership to the Data Engineering team. You will work closely with our Data Scientists and business stakeholders to ensure value is delivered through our solutions. Job Accountabilities • Develop robust, scalable data pipelines to serve the easyJet analyst and data science community., • Highly competent hands-on experience with relevant Data Engineering technologies, such as Databricks, Spark, Spark API, Python, SQL Server, Scala., • Work with data scientists, machine learning engineers and DevOps engineers to develop, develop and deploy machine learning models and algorithms aimed at addressing specific business challenges and opportunities., • Coach and mentor the team (including contractors) to improve development standards., • Work with Business Analysts to deliver against requirements and realise business benefits., • Build a documentation library and data catalogue for developed code/products., • Oversight of project deliverables and code quality going into each release. Key Skills Required • Technical Ability: has a high level of current, technical competence in relevant technologies, and be able to independently learn new technologies and techniques as our stack changes., • Clear communication; can communicate effectively in both written and verbal forms with technical and nontechnical audiences alike., • Complex problem-solving ability; structured, organised, process-driven and outcome-oriented. Able to use historical experiences to help with future innovations., • Passionate about data; enjoy being hands-on and learning about new technologies, particularly in the data field., • Self-directed and independent; able to take general guidance and the overarching data strategy and identify practical steps to take. Technical Skills Required • Significant experience designing and building data solutions on a cloud based, big data distributed system., • Hands-on software development experience with Python and experience with modern software development and release engineering practices (e.g. TDD, CI/CD), and software deployment automation with GitHub actions or Azure DevOps., • Experience in testing automation of data transformation pipelines, using frameworks like Pytest or dbt Unit Test., • Comfortable writing efficient SQL and debugging., • Data warehouse operations and tunning experience in schema evolution, indexing, partitioning., • Hands-on IaC development experience with Terraform or CloudFormation., • Understanding of ML development workflow and knowledge of when and how to use dedicated hardware., • Significant experience with Apache Spark or any other distributed data programming frameworks (e.g. Flink, Hadoop, Beam), • Familiarity with Databricks as a data and AI platform or the Lakehouse Architecture., • Experience with data quality and/or and data lineage frameworks like Great Expectations, dbt data quality, OpenLineage or Marquez, and data drift detection and alerting., • Understanding of Data Management principles (security and data privacy) and how they can be applied to Data Engineering processes/solutions (e.g. access management, data privacy, handling of sensitive data (e.g. GDPR) Desirable Skills • Experience in event-driven architecture, ingesting data in real time in a commercial production environment with Spark Streaming, Kafka, DLT or Beam., • Understanding of the challenges faced in the design and development of a streaming data pipeline and the different options for processing unbounded data (pubsub, message queues, event streaming etc), • Understanding of the most commonly used Data Science and Machine Learning models, libraries and frameworks., • Knowledge of the development lifecycle of analytical solutions using visualisation tools (e.g. Tableau, PowerBI, ThoughtSpot), • Hands-on development experience in an airline, e-commerce or retail industry., • Worked within the AWS cloud ecosystem., • Experience of building a data transformation framework with dbt. What you’ll get in return • Competitive base salary, • Up to 20% bonus, • 25 days holiday, • BAYE, SAYE & Performance share schemes, • 7% pension, • Life Insurance, • Work Away Scheme, • Flexible benefits package, • Excellent staff travel benefits Location & Hours of Work We operate a hybrid working policy of 40% of the month spent with colleagues. We look forward to your application and the possibility of you flying high with our team! Application Process Interested candidates should apply through our careers portal. Reasonable Adjustments At easyJet, we are dedicated to fostering an inclusive workplace that reflects the diverse customers we serve across Europe. We welcome candidates from all backgrounds. If you require specific adjustments or support during the application or recruitment process, such as extra time for assessments or accessible interview locations, please contact us at . We are committed to providing reasonable adjustments throughout the recruitment process to ensure accessibility and accommodation

Job Title: IT Security Analyst Salary: £50,000-£55,000 Office Location: 2/3 days per week in the office in Luton We’re working with a high-impact organisation operating in a critical infrastructure environment and they’re looking to bring in an IT Security Analyst to bolster their cyber defence capabilities. This is a broad and hands-on role for someone who thrives in dynamic environments, enjoys diving into complex investigations, and wants to make a tangible difference to the overall security posture of a hybrid on-prem/Azure setup. Responsibilities: • Endpoint monitoring and analysis., • Incident readiness and handling as part of the Computer Security Incident Response (CSIRT) team., • Monitor and administer Security Information and Event Management (SIEM)., • Malware analysis and forensics research., • Understanding/ differentiation of intrusion attempts and false positives., • Investigation tracking and threat resolution., • Vulnerability identification & mitigation / remediation., • Compose security alert notifications., • Help develop cyber security process & procedures., • Advise incident responders & other teams on threat., • Triage security events and incidents apply containment and mitigation/remediation strategies., • Generate reports and document security incidents / events., • Proactively monitoring the performance of systems, and make regular routine inspections of installed equipment and take corrective avoidance actions to prevent wider problems., • Act as the point of escalation for the Service desk for security related tickets., • Analysis of weekly vulnerability scans and update relevant records. Skills Needed: • An IT Security Analyst with a strong understanding of Microsoft 365 and Azure Security (Defender, EntraID, Intune, Purview etc), • An IT Security Analyst with 4+ years in IT/Networking/Infrastructure roles, as well as at least 2 years in a Cyber Security focused role, • An IT Security Analyst who has strong experience with vulnerability management and endpoint detection, • An IT Security Analyst with credible knowledge/experience in Microsoft Windows Operating Systems., • An IT Security Analyst with credible knowledge/experience of Active Directory, Group policies, TCP/IP, DNS, DHCP and Exchange Server., • An IT Security Analyst capable of effectively multi-tasking, prioritizing work, and handling competing interests, • An IT Security Analyst who is capable of analysing information technology logs and events sources preferred, • An IT Security Analyst with working knowledge of data storage systems, data backup and restoration methods., • An IT Security Analyst with understanding of security tooling, its purpose and functionality (Anti-Malware, IPS, Web and Email Gateways, security analysis tools, web security tools, next generation firewall/UTMs) You’ll be working in a high-stakes environment, where your actions have real-world impact. With flexibility (2–3 days onsite), and room to grow, it’s a great opportunity for someone ready to take ownership in a meaningful setting. If this role is of interest, please apply or share your CV with Only UK citizens will be considered for this position

Software Engineer / Full Stack Developer (C# .Net Core AWS JavaScript) St Albans / WFH to £100k Opportunity to progress your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets, with a flat structure where you will get your voice heard and can make a real impact on the bottom line, earning significant bonuses. What's in it for you: As a Software Engineer you will earn a competitive package: • Salary to £100k, • Bonus, • 25 days holiday, rising to 30 after 2 years, • Enhanced parental leave, • Contributory pension scheme, • Private Medical, • MSDN subscription, • Discounts for gym membership, travel and cinema, • Sabbatical after 10 years of service, • Flexible working with 2 days work from home per week Your role: As a Software Engineer you'll join an Agile development team to design and develop new features and enhancements to complex Payments and client systems within a microservices environment (300 services). You'll be working with a modern tech stack using C# .Net Core, AWS, Kubernetes, Kafka, Redis and TypeScript / Angular; using the right tool for the job, you'll be able to pick up new technologies and make recommendations for improvements. WFH Policy: You'll join colleagues in St. Albans, Hertfordshire (parking available), 10 minute walk from local station, with the flexibility to work from home twice a week in a hybrid model. About you: • You have strong C# .Net Core backend development skills, • You have JavaScript experience, combined with Angular or React, • You have experience with AWS and microservices, • You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms, • You enjoy collaborating, learning new things and sharing knowledge, • You are degree educated in Computer Science or closely related discipline Apply now to find out more about this Software Engineer / Developer (C# .Net Core AWS JavaScript) 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.

C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets with a flat structure where you will get your voice heard and can make a real impact on the bottom line, earning significant bonuses. As a C# Developer you'll join an Agile development team to design and develop new features and enhancements to complex Payments and client systems within a microservices environment (300 services). You'll be working with a modern tech stack using C# .Net Core, AWS, Kubernetes, Kafka, Redis and TypeScript / Angular; using the right tool for the job, you'll be able to pick up new technologies and make recommendations for improvements. WFH Policy: You'll join colleagues in St. Albans, Hertfordshire (parking available), 10 minute walk from local station, with the flexibility to work from home twice a week in a hybrid model. About you: • You have strong C# .Net Core backend development skills, • You have JavaScript experience, combined with Angular or React, • You have experience with AWS and microservices, • You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms, • You enjoy collaborating, learning new things and sharing knowledge, • You are degree educated in Computer Science or closely related discipline What's in it for you: As a C# Developer / Full Stack Engineer you will earn a competitive package: • Salary to £100k, • Bonus, • 25 days holiday, rising to 30 after 2 years, • Enhanced parental leave, • Contributory pension scheme, • Private Medical, • MSDN subscription, • Discounts for gym membership, travel and cinema, • Sabbatical after 10 years of service, • Flexible working with 2 days work from home per week Apply now to find out more about this C# Developer / Full Stack Engineer (C# .Net Core JavaScript) 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.

Our client, a large organisation with over 5,000 staff, is urgently seeking a skilled and motivated Senior Network Infrastructure Engineer to join their Head Office team in Hertfordshire. This is an exciting opportunity for an experienced engineer with a strong background in network design and multi-site infrastructure, who is also comfortable working across on-premises server platforms and hybrid environments. You’ll play a key role in designing, maintaining, and evolving our network and infrastructure, supporting our multi-office WAN environment. Your work will include managing routers, switches, firewalls, and SAN storage, as well as overseeing Windows Server, Active Directory, and VMware platforms. You’ll be actively involved in the transition from current network to enterprise-grade network solutions such as Juniper, Cisco, or Fortinet, would be highly beneficial. This role also provides exposure to On-perm, Azure, Microsoft 365, and hybrid cloud technologies, but your main focus will be on network infrastructure, server environments, and WAN connectivity. You’ll be responsible for planning, implementing, and optimising network designs to ensure reliability, performance, and scalability across multiple sites. We’re looking for someone who is hands-on, technically curious, and project-focused, with a proven track record of delivering multi-office network infrastructure projects. Fortinet, Juniper, or Cisco certifications would be an advantage but are not essential. In return, you’ll join a forward-thinking IT team where your expertise will have real impact, and you’ll be supported to take ownership of complex challenges, drive continuous improvement, and contribute to the evolution of enterprise infrastructure. If you’re passionate about network and infrastructure projects, enjoy solving technical challenges, and want to work with enterprise-grade systems across multiple sites, we’d love to hear from you.

Software Engineer / Full Stack Developer (C# .Net Core AWS JavaScript) St Albans / WFH to £100k Opportunity to progress your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets, with a flat structure where you will get your voice heard and can make a real impact on the bottom line, earning significant bonuses. What's in it for you: As a Software Engineer you will earn a competitive package: • Salary to £100k, • Bonus, • 25 days holiday, rising to 30 after 2 years, • Enhanced parental leave, • Contributory pension scheme, • Private Medical, • MSDN subscription, • Discounts for gym membership, travel and cinema, • Sabbatical after 10 years of service, • Flexible working with 2 days work from home per week Your role: As a Software Engineer you'll join an Agile development team to design and develop new features and enhancements to complex Payments and client systems within a microservices environment (300 services). You'll be working with a modern tech stack using C# .Net Core, AWS, Kubernetes, Kafka, Redis and TypeScript / Angular; using the right tool for the job, you'll be able to pick up new technologies and make recommendations for improvements. WFH Policy: You'll join colleagues in St. Albans, Hertfordshire (parking available), 10 minute walk from local station, with the flexibility to work from home twice a week in a hybrid model. About you: • You have strong C# .Net Core backend development skills, • You have JavaScript experience, combined with Angular or React, • You have experience with AWS and microservices, • You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms, • You enjoy collaborating, learning new things and sharing knowledge, • You are degree educated in Computer Science or closely related discipline Apply now to find out more about this Software Engineer / Developer (C# .Net Core AWS JavaScript) 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.

Our client is large organisation with over 5000 staff and are urgently seeking a skilled and motivated Senior Infrastructure Engineer to join our Head Office team in Hertfordshire. This is a fantastic opportunity for an experienced engineer with a strong on-premises infrastructure background who’s also comfortable working across modern cloud technologies. You’ll play a key role in maintaining and evolving our hybrid environment — managing Windows Server, Active Directory, and VMware platforms, while supporting our growing Azure and Microsoft 365 ecosystems. A strong understanding of networking, including firewalls, routers, and SAN storage, is essential. You’ll also have the opportunity to work with technologies such as Entra ID, Intune, Logic Apps, PowerShell, and Dynamics 365 Business Central, driving innovation and performance improvements across our infrastructure. We’re looking for someone who’s hands-on, technically curious, and always keen to learn. You’ll ideally hold the experienced in Azure and additional credentials such as CCNA/CCNP or Network+ would be an advantage but essential. In return, you’ll join a forward-thinking IT team where your expertise will make a real impact. You’ll be supported to develop your technical skills, take ownership of complex challenges, and contribute to continuous improvement across the business. If you’re passionate about infrastructure, enjoy problem-solving, and want to work with a mix of enterprise-grade on-prem systems and modern cloud platforms, we’d love to hear from you.

Senior Network Engineer • Hertfordshire: Hybrid x3 onsite, • Package: £75k + car allowance + package Overview: We are seeking a strategic and forward-thinking Network Engineer to lead the design, governance, and evolution of our clients IT and network infrastructure. Working within a dynamic engineering environment, this role will play a key part in shaping the technology roadmap ensuring that infrastructure, security, and connectivity solutions are scalable, resilient, and aligned with business goals. You’ll act as a subject matter expert, guiding technical decisions, supporting transformation to cloud-based services, and driving best practices across the organisation’s network and infrastructure landscape. Role and Responsibilities: • Define and implement the strategic direction for the company’s infrastructure and network architecture, ensuring alignment with business objectives and IT governance, • Lead the design, deployment, and management of secure, resilient, and scalable infrastructure solutions across on-premises and cloud environments, • Oversee network strategy and performance, including capacity planning, segmentation, and disaster recovery design, • Develop and maintain standards, policies, and procedures for infrastructure, networking, and security operations, • Drive the adoption of modern cloud and hybrid networking technologies within the Azure ecosystem, • Collaborate with cybersecurity, operations, and project teams to ensure network and data security across all business locations, • Lead or provide technical oversight for infrastructure transformation projects, including upgrades, migrations, and integration initiatives, • Develop and review technical documentation, including architecture diagrams, standards, and Low-Level Designs (LLDs), • Advise senior management on emerging technologies and opportunities to enhance operational efficiency and resilience, • Mentor and support IT team members to build capability and ensure consistent technical excellence Essential Skills & Experience: • Proven experience in a senior infrastructure or network engineering role with strategic oversight responsibilities, • Deep understanding of network architecture and design principles, including routing, switching, and segmentation, • Strong knowledge of Microsoft Azure infrastructure and networking (VNets, NSGs, ExpressRoute, hybrid connectivity), • Experience developing and enforcing infrastructure standards and governance frameworks, • Solid understanding of firewalls, VPNs, and network security fundamentals, • Expertise in Active Directory, Entra ID, and Microsoft 365 administration, • Strong communication and stakeholder management skills — able to translate complex technical requirements into business outcomes, • Microsoft Azure Administrator (AZ-104) certification or equivalent experience Desirable • Experience with Fortinet / FortiGate firewalls or other enterprise-grade security platforms, • Knowledge of SD-WAN or advanced WAN technologies, • Familiarity with Power Platform (PowerApps, Logic Apps, Dataverse) and Dynamics 365 Business Central, • Experience with Windows Server, Exchange, and PowerShell automation, • Any Fortinet NSE certification (e.g., NSE 4+) or equivalent vendor certification is advantageous

C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets with a flat structure where you will get your voice heard and can make a real impact on the bottom line, earning significant bonuses. As a C# Developer you'll join an Agile development team to design and develop new features and enhancements to complex Payments and client systems within a microservices environment (300 services). You'll be working with a modern tech stack using C# .Net Core, AWS, Kubernetes, Kafka, Redis and TypeScript / Angular; using the right tool for the job, you'll be able to pick up new technologies and make recommendations for improvements. WFH Policy: You'll join colleagues in St. Albans, Hertfordshire (parking available), 10 minute walk from local station, with the flexibility to work from home twice a week in a hybrid model. About you: • You have strong C# .Net Core backend development skills, • You have JavaScript experience, combined with Angular or React, • You have experience with AWS and microservices, • You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms, • You enjoy collaborating, learning new things and sharing knowledge, • You are degree educated in Computer Science or closely related discipline What's in it for you: As a C# Developer / Full Stack Engineer you will earn a competitive package: • Salary to £100k, • Bonus, • 25 days holiday, rising to 30 after 2 years, • Enhanced parental leave, • Contributory pension scheme, • Private Medical, • MSDN subscription, • Discounts for gym membership, travel and cinema, • Sabbatical after 10 years of service, • Flexible working with 2 days work from home per week Apply now to find out more about this C# Developer / Full Stack Engineer (C# .Net Core JavaScript) 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.

Senior Platform Engineer (Linux AWS HPC Management) London to £150k Do you have a deep knowledge of Linux combined with HPC scheduling experience? You could be progressing your career in a hands-on role at a global systematic trading firm with $25 billion under management, earning significant bonuses. As a Senior Platform Engineer you'll develop and support scalable workload scheduling solutions fo... Read the overview of this opportunity to understand what skills, including and relevant soft skills and software package proficiencies, are required. JBLK1_UKTJ