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Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Lead Site Reliability Engineer Mastercard Software Sales Business Operations (BizOps)Team is seeking a hands-on Business Operations Lead to assist with managing existing software sale clients. The team is responsible for the applications in our New Payment Platform solution for a global client base. This individual will use their Production Engineering knowledge to guide the team in advancing the experience of our clients in the post code development activities and interactions. The successful candidate will help to raise the bar on both our response to critical issues and build out a proactive mindset in the team to constantly improve our service offering. The successful candidate will also have significant experience in the ITIL methodology. They will have extensive experience in vendor management and have faced off to senior stakeholders both internally to their firm, but also externally to other corporate clients. Due to the “critical national infrastructure” aspect of the delivered solutions, experience communicating with / preparing communication for external consumption would be a significant advantage in this role. This individual will have experience in the software development lifecycle, live support and knowledge of performance management and testing practices. Mission The role of business operations is to be the production readiness steward for the platform. This is accomplished by closely partnering with developers to design, build, implement, and support technology services. A business operations engineer will ensure operational criteria like system availability, capacity, performance, monitoring, self-healing, and deployment automation are implemented throughout the delivery process. Business Operations plays a key role in leading the Site Reliability Engineering (SRE) transformation at Mastercard through our tooling and by being an advocate for change and standards throughout the development, quality, release, and product organizations. We accomplish this transformation through supporting daily operations with a hyper focus on triage and then root cause by understanding the business impact of our products. The goal of every biz ops team is to shift left to be more proactive and upfront in the development process, and to proactively manage production and change activities to maximize customer experience and increase the overall value of supported applications. Biz Ops teams also focus on risk management by tying all our activities together with an overarching responsibility for compliance and risk mitigation across all our environments. A biz ops focus is also on streamlining and standardizing traditional application specific support activities and centralizing points of interaction for both internal and external partners by communicating effectively with all key stakeholders. Ultimately, the role of biz ops is to align Product and Customer Focused priorities with Operational needs. We regularly review our run state not only from an internal perspective, but also understanding and providing the feedback loop to our development partners on how we can improve the customer experience of our applications. Responsibilities • Plan, design and develop technical solutions and alternatives to meet business requirements in adherence with MasterCard standards, processes, and best practices., • Help to drive training and knowledge management on applications/client specifics and best practices of incident management and problem management, • Share knowledge and mentor junior resources, • Analyze ITSM activities of the platform and provide feedback loop to development teams on operational gaps or resiliency concerns, • Support services before they go live through activities such as system design consulting, capacity planning and launch reviews., • Take a holistic approach to problem solving, by connecting the dots during a production event thru the various technology stack that makes up the platform, to optimize mean time to recover, • Help to drive process improvement and increase alignment to the Mastercard BizOps guild processes and strategies;, • Work with a global team spread across tech hubs in multiple geographies and time zones, • Perform system maintenance, production incident problem management, identification of root cause, remediation of the problems and on-call pager support schedule. Select appropriate technical frameworks and solution delivery methodology. Adapt to the technical artifact templates per the needs of the project and technology. Contribute ideas to help ensure that required standards and processes are in place. Maintain solution and technology road maps, • Liaise with the Development and Testing teams in Engineering to build out a view of upcoming deployments and their content, ensuring knowledge and training to support the deliveries and change process is embedded into the global team;, • Understand business processes and production applications to troubleshoot issues and recommend short and long-term resolutions., • Ensure team follow best practices regarding ITSM standards and client data access and management;, • Help to drive measurable improvements in the maintenance, operational and runtime characteristics of the application software;, • Assess technological options and design offerings supporting scalable, high-performance, and highly available environments;, • Collaborate with other technologists on creating cross-domain solutions;, • Comprehensive knowledge of all technology teams and interactions to deliver best practice in the final deliverable to clients, • Ability to help debug and optimize code and automate routine tasks., • We support many different stakeholders. Experience in dealing with difficult situations and making decisions with a sense of urgency is needed. Education & Experience • Bachelor or master's degree in Computer Science or equivalent, • Experience leading Global support teams for applications in high volume solutions of critical infrastructure, • Systematic problem-solving approach, coupled with strong communication skills and a sense of ownership and drive., • Experience in Erlang, • Analytical/problem solving and planning skills., • The ability to organize, multi-task and prioritize work based on current business needs., • Possess strong communication skills -- both verbal and written., • Strong relationship skills, collaborative skills and customer service skills. Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: * Abide by Mastercard’s security policies and practices; * Ensure the confidentiality and integrity of the information being accessed; * Report any suspected information security violation or breach, and * Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.

Site Reliability Engineer (Security Cleared) • Salary to £60k + Company Options Scheme Overview This company is a Workflow & AI Orchestration Specialist. They're on a mission to modernise how public sector organisations manage casework, derive insight from data and deliver citizen services. Theyre growing fast and looking for bright, dynamic people to help build their business. Role Theyre looking for a (Security Cleared) Site Reliability Engineer (SRE) to join their growing platform and delivery teams. Youll help design, build, and operate reliable, secure, and performant infrastructure that underpins critical public-sector services. Youll combine your background in DevOps, cloud engineering, and automation with a focus on reliability, observability, and scalability. Youll also work with event-driven technologies, identity and access management, and data platforms, ensuring our orchestration solutions are resilient, secure, and future-ready. This is an exciting opportunity for an engineer who thrives on solving complex infrastructure and automation challenges, automating everything, and shaping secure-by-design delivery environments. Key Responsibilities Design, deploy, and manage containerized workloads using Kubernetes and Red Hat OpenShift Provision and manage infrastructure using Terraform Build and operate scalable infrastructure in Amazon Web Services (AWS) Design, implement, and maintain robust CI/CD pipelines Improve system reliability, observability, performance, and security Implement monitoring, logging, and alerting solutions Troubleshoot production incidents and perform root cause analysis Collaborate with development teams to improve application resilience and deployment processes Required Skills & Experience Experience in Site Reliability Engineering, DevOps, or similar roles Strong hands-on experience with Kubernetes and container orchestration Experience working with Red Hat OpenShift in production environments Proficiency in infrastructure as code using Terraform Solid experience with Amazon Web Services (AWS) Experience designing and maintaining CI/CD pipelines NB: Please only apply if you already have UK Security Clearance (SC). Other Stuff NB: for non-UK Citizens; we cannot accept applications from anyone requiring sponsorship (now or in the future) for UK permanent employment you are utilising a work visa this must allow you to work in the UK unrestricted for at least the next 5 years. Profile 29 recruitment keywords: Site Reliability Engineer Site Reliability Engineering, DevOps Kubernetes container orchestration Red Hat OpenShift Terraform Amazon Web Services AWS CI/CD Bash Python monitoring observability cloud architecture London hybrid remote AI artificial intelligence security cleared security clearance SC JBRP1_UKTJ

Mechanical Maintenance Engineer Please read the following job description thoroughly to ensure you are the right fit for this role before applying. This is a Mechanical Maintenance Engineer role where your hands-on ability actually matters. If you enjoy fault-finding, keeping production moving, and being relied upon, this Mechanical Maintenance Engineer opportunity is built for you. This Mechanical Maintenance Engineer role sits within a regulated pharmaceutical environment, supporting a multi-line production site operating a late shift. The focus of the role is hands-on engineering responding to breakdowns, resolving mechanical faults, and ensuring production downtime is kept to an absolute minimum. The role is predominantly mechanical, with exposure to pneumatics and basic electrical fault finding, and offers structured onboarding, paid overtime, and long-term stability. This is a role for someone who has a no job is too small mentality, enjoys being on the tools, problem-solving independently, and taking ownership of engineering issues as they arise. Job Responsibilities • Responding to breakdowns across multiple production lines to minimise downtime, • Diagnosing and repairing mechanical faults including motors, bearings, shafts, rollers, and drives, • Carrying out reactive maintenance as the primary focus of the shift, • Completing planned preventative maintenance tasks where scheduled, • Fault finding on pneumatic systems, • Carrying out basic electrical fault finding including fuses, contactors, and drives, • Supporting machinery set-ups and tooling changes for small batch production runs, • Maintaining accurate maintenance records and GMP documentation, • Logging work completed and parts usage on the site maintenance system, • Supporting shift handovers and maintenance planning discussions, • Proven experience as a Mechanical Maintenance Engineer in a production environment, • Strong mechanical fault-finding skills within manufacturing or process industries, • Experience within pharmaceutical, food, or regulated environments preferred, • Working knowledge of pneumatics systems, • Basic electrical knowledge, • Comfortable working in a breakdown-focused, reactive maintenance role, • Good computer skills for maintenance systems and documentation, • A proactive, hands-on attitude with a no-job-too-small mindset, • Strong team ethic suited to a lean engineering function, • Salary up to £40,000, • Monday to Friday, 3:00pm 11:00pm, • Paid overtime available, • Overtime on Saturdays and x2 on Sundays, • One Saturday shift in every eight weeks, • 25 days annual leave plus bank holidays, • Company pension contribution, • On-site parking

Job Title: Field Service Engineer Anglia Location: Anglia, with occasional UK travel Are you a skilled engineer looking for a role where your expertise truly makes a difference? Join Clarke Energy as a Field Service Engineer and take responsibility for ensuring the reliability and performance of our gas engines and associated plant equipment. About the Role Your role is to keep our gas engines and systems operating at their best through expert maintenance, fault diagnosis, and timely repairs. Youll deliver scheduled servicing to the highest standards, minimising downtime and providing cost-effective solutions for our customers. Key Responsibilities Maintenance & Troubleshooting • Carry out planned maintenance to maximise equipment reliability and avoid unnecessary part replacements., • Respond promptly to out-of-hours callouts, diagnosing and resolving faults efficiently to restore operations., • Collect and dispatch oil samples in line with agreed procedures., • Order correct parts and return unused items to reduce waste., • Build strong relationships with customers through professional and responsive service., • Communicate effectively with the Area Manager, customers, and subcontractors to ensure smooth site operations., • Keep company tools and equipment in excellent condition, ensuring cleanliness and calibration. Technical Skills • Strong engineering background with knowledge of gas engines and related systems., • Electrical and mechanical expertise., • Gas Safe registered., • Confident IT skills for reporting and documentation., • Professional, reliable, and trustworthy., • Flexible and adaptable to changing priorities., • Customer-focused with excellent communication skills., • Organised and proactive in managing workload. Essential • Minimum 5 years experience as a service engineer., • NVQ Level 3 or City & Guilds in Electrical or Mechanical Engineering., • Apprentice-trained engineer., • Gas Safe registration., • Full UK driving licence., • Competitive hourly rate + basic rate., • Paid travel time (up to 30 mins each way daily)., • On-call rota with call-out fee., • 25 days holiday + 8 Bank Holidays., • Option to buy or sell up to 5 additional holiday days., • 7% company pension contribution., • Company van provided. Join Clarke Energy and help us deliver exceptional service to our customers. JBRP1_UKTJ

Mastercard powers economies and empowers people in 200+ countries and territories worldwide.Together with our customers, were helping build asustainableeconomy where everyone can prosper.We support a wide range of digital payments choices, making transactionssecure, simple, smart and accessible.Our

Connected Vehicle Validation Engineer Skills, Experience, Qualifications, If you have the right match for this opportunity, then make sure to apply today. Cranfield (Hybrid) 6 Months + Extension About the Role We're hiring a Connected Vehicle Validation Engineer to support the testing and validation of cutting-edge connected car and telematics systems. This is a hands-on role working across vehicle systems, mobile apps, and wearable technology, ideal for a junior or mid-level engineer looking to grow in automotive validation. Key Responsibilities • End-to-end validation testing of connected vehicle features, • Test connected services via mobile apps and smart devices, • Raise and manage incident tickets through to resolution, • Conduct root cause analysis and fault investigation, • Ensure vehicle-level quality, functionality, and reliability, • Prepare test environments and validation resources, • Support data analysis and test automation using Python Skills & Experience • Experience in validation, testing, or automotive engineering (desirable), • Knowledge of Python (data analysis, scripting, or automation), • Understanding of validation processes / test methodologies, • Strong problem-solving and analytical skills, • Experience with Excel and Microsoft Office tools, • Ability to manage multiple tasks and priorities, • Strong communication skills Requirements • Full UK or xrnqpay EU driving licence (essential), • Willingness to travel internationally (short-term trips), • Flexible approach to hybrid working (Cranfield site attendance required) Why Apply? • Work as a Validation Engineer on next-gen connected vehicle tech, • Gain experience across automotive, mobile, and IoT systems, • Develop Python and automation skills in a real-world environment, • Strong chance of contract extension

Senior Site Reliability Engineer (SRE) UK Remote Permanent | Up to £120,000 | Fully Remote (UK Only) This Is NOT a DevOps Role Real SRE Work Only Were looking for a true Senior Site Reliability Engineer with deep incident management experience, strong operational ownership, and expert Linux/AWS t

Mechanical Design Engineer - Contract (12 Months) | Bedfordshire | Inside IR35 Looking to take on complex engineering challenges that genuinely push your technical capability? We're seeking experienced Mechanical Design Engineers to join a high integrity defence engineering programme focused on advanced platform integration and mission-critical systems. This is an opportunity to work on cutting-edge mechanical sub-systems, complex mechanisms, and high reliability components designed for demanding military environments. Location Bedfordshire On-site presence required Mondays and Tuesdays from September 2025 Contract Details Duration: 12 months Hours: 37.5 per week Schedule: 4-day week (Mon-Thurs) with flexible working Rate: Competitive per hour (inside IR35, inclusive of employer deductions) Clearance: BPSS to start; SC required later Eligibility: Sole UK nationals only (due to programme requirements) Role Overview As a Mechanical Design Engineer, you'll be responsible for the full lifecycle of mechanical design activities - from concept development and prototyping through to design proving, documentation, and supporting calculations. You'll collaborate with multidisciplinary engineering teams to develop robust, manufacturable solutions that meet stringent performance, safety, and legislative requirements. Key Responsibilities Develop innovative, compliant design solutions from requirements and design briefs Create concept and detailed designs using CREO Parametric CAD Produce supporting calculations, analysis, and justification for design decisions Work with SMEs, users, and design authorities to refine concepts Collaborate with design engineers to deliver integrated sub-system solutions Support CAD engineers in producing drawings and data packs Present design review materials to senior engineering stakeholders Assist in prototype build, testing, and design proving Ensure adherence to industry standards, safety requirements, and programme constraints Required Skills & Experience Proven experience within the defence industry, particularly with Armoured Fighting Vehicles or related systems (e.g., survivability, lethality, structures, comms, sensors) Strong background in mechanical sub-system and component design Expert-level proficiency with CREO and experience using Windchill Extensive knowledge of complex mechanism design Ability to perform structural and kinematic calculations Track record of delivering designs for harsh or demanding environments High attention to detail and strong documentation skills Effective planning, coordination, and problem solving abilities Ideal Candidate Profile You thrive in technically demanding environments, enjoy solving complex mechanical challenges, and bring a blend of creativity, rigour, and practical engineering insight. You're comfortable working across the full design lifecycle and collaborating with multidisciplinary teams to deliver high integrity solutions. If you're a seasoned Mechanical Design Engineer with defence experience and a passion for developing robust, high?performance mechanical systems, this contract offers a unique opportunity to contribute to a major UK defence programme. Ready to take the next step in your engineering career? Let's talk

They are seeking an eDV Cleared DevOps Engineer / Site Reliability Engineer (SRE) with strong experience across AWS, Kubernetes, Terraform, CI/CD and Linux en. DV DevOps Engineer / Site Reliability Engineer (SRE) - AWS, Kubernetes - Contract Outside IR35. We are supporting a specialist engineering

Senior Site Reliability Engineer - 1 Year Contract. Our client, a leader within the data analytics space, is looking to recruit a Senior Site Reliability Engineer to work on Cloud-based, high volume, high-speed systems, which supply data to the Insurance Industry.

We are hiring experienced Senior Site Reliability Engineers to join a global engineering team supporting a high‑availability, Java‑based platform used by customers worldwide. Senior Site Reliability Engineer (UK or Germany) – Fully Remote – £120k + Benefits. SRE mindset: Incident management

Site Reliability Engineer - LondonReference Code: 348242-en_GBContract Type: PermanentProfessional Communities: Cloud Infrastructure ManagementAbout the job you’re consideringWe’re seeking fellow Site Reliability Engineers who want to grow their career and delight customers through a hybrid of

Site Reliability Engineer (SRE)£65,000 base salaryRole OverviewOur National Security business in Gloucester is expanding, creating vital opportunities to support National Security clients through innovative technical solutions. We are looking for a Site Reliability Engineer to join a growing team t

Principle Site Reliability Engineer - WokingReference Code: 347783-en_GBContract Type: PermanentProfessional Communities: Cloud Infrastructure ManagementAbout the job you're consideringWe’re seeking passionate Principal Site Reliability Engineers who want to grow their career and delight customer

Site Reliability Engineering (SRE) combines software and systems engineering to build and run large-scale, massively distributed, fault‑tolerant systems. Our rotation includes a community of some of the most experienced and executive engineers in Cloud Site Reliability Engineering. We're proud to

Site Reliability Engineering at Duffel. As an SRE, you’ll be part of a small engineering team responsible for the reliability, performance, and resilience of our infrastructure and applications. You will work closely with engineering teams to understand their needs and help meet the demands of our

We are looking for a Senior Site Reliability Engineer to join our growing engineering team. Site Reliability Engineer or in a similar role. Work with software engineers to design systems for reliability, scalability, and maintainability from the early stages of the SDLC.

A leading FinTech company is seeking a Site Reliability Engineer to enhance platform reliability, design scalable infrastructure, and collaborate closely with development teams.

The Impact You’ll Have as a Site Reliability Engineer. What You’ll Bring to the Site Reliability Engineer Position. This Site Reliability Engineer position requires you to be in the London office (Holborn) one day per week.

DV Site Reliability Engineer x2 roles Cheltenham (Hybrid – 3–4 days onsite) Contract (Outside IR35) or Permanent £500–£650 per day (contract) | Competitive perm salary Active DV clearance required - Intelligence. We’re looking for an experienced Site Reliability Engineer to support a

Paragon Alpha are working with a hedge fund looking for a Site Reliability Engineer to join one of their trading desks, focusing on quant strategies in the equity market. This is a great opportunity for a Site Reliability Engineer to work directly on trading systems, in a specialised desk at one of

Here is what one of our leaders, Principal Site Reliability Engineer (Will Lucas) has to say about the role:. Being a Site Reliability Engineer at iManage Means. We’re seeking software and systems engineers specializing in reliability and platform services to join our transformative cloud journey.

Principal Site Reliability Engineer. Proven experience in Site Reliability Engineering leadership. Collaborative, supportive engineering culture.

A leading fintech company in London is seeking a Site Reliability Engineer to ensure the reliability and scalability of their production infrastructure. You will work closely with product engineering teams and have the opportunity to influence the global financial landscape while tackling complex ch

Auros is looking for an experienced DevOps engineer who can ramp up quickly into supporting our high-performance infrastructure for trading digital assets. Maintain and improve our global infrastructure with high performance and reliability requirements. Application tuning and troubleshooting; you w

Our client, a leading systematic hedge fund, is seeking a Senior Site Reliability Engineer to join their London-based platform team. In this role, you will focus on enhancing the reliability, resilience, and day-to-day operability of a rapidly scaling engineering platform. You will work closely with

This role is part of the Site Reliability team within the Maneuver Dominance (MD) software engineering function, which delivers enabling infrastructure that underpins all MD products and projects. As a Site Reliability Engineer your role will be pivotal to the design and build of complex infrastruct

As their Site Reliability Engineer, you’ll play a critical role in ensuring system reliability, scalability, and performance across both AWS and Azure environments. Champion SRE culture and reliability-focused engineering—help shape sustainable engineering practices, SLAs, SLOs, and error budget

Are you an early‑career SRE ready to take the next step? Our client is growing their platform team and is looking for a Site Reliability Engineer with around two to three years’ experience to help scale, stabilise, and evolve their cloud‑native environment. This is a fully remote role within t

A leading consulting firm is seeking a Site Reliability Engineer to manage and enhance complex cloud-based tools and services. Candidates should have over 7 years of experience in software engineering, strong Python skills, and the ability to collaborate across teams. If you are passionate about aut

DevOps/Site Reliability Engineer, Junior/Mid/Senior (m/f/*). You are a DevOps/Site Reliability Engineer with experience managing complex infrastructure and deploying scalable, reliable systems. We are building what will become a leading industrial platform that empowers engineers and research scient

Site Reliability Engineer, Region Services. This is an opportunity to operate and engineer systems on a massive scale, and to gain world class experience in cloud computing. The Systems Development engineer will be a key member of a new team pioneering automated build and deployment of Windows based

They are now looking for a Site Reliability Engineer who enjoys getting stuck in, takes pride in their work, and prefers solving real problems over sitting in endless meetings. The investment marks a major turning point for the company as they scale their platform, expand their engineering function,

Senior Site Reliability Engineer (AWS / K8) - SaaS - £95k-100k. Our client are looking for you to help drive strategy and manage the tech direction, being a leader and role model to the junior engineers in this fast growing Cloud Practice.

You’ll work closely with platform and delivery teams, designing resilient cloud infrastructure and embedding reliability, automation and security into everything you do. SRE, DevOps or Cloud Engineering. Security‑minded approach to engineering in regulated environments.

Site Reliability Engineering (SRE) combines software and systems engineering to build and run large-scale, massively distributed, fault-tolerant systems. Senior Software Engineer, Site Reliability Engineering, Cloud Compute Host. We're proud to be our engineers' engineers and love voiding warranties