Site reliability engineer jobs in DunstableCreate job alerts

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.

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. Lead Site Reliability EngineerMastercard

Junior Engineer – Validation Below, you will find a complete breakdown of everything required of potential candidates, as well as how to apply Good luck. Location: Cranfield Pay Rate: £23.47 to £27.94 per hour (dependent on experience) Working Pattern: 3 days in the office / 2 days remote (subject to increased on-site presence as workload demands) Contract Length: 6 months, with potential for extension Overview We are seeking a motivated Junior Engineer to join a dynamic automotive validation team specialising in connected car services. This role involves comprehensive end-to-end vehicle validation using mobile applications and smartwatches to ensure telematics systems meet stringent standards of quality, functionality, and reliability. You will coordinate test resources, raise and monitor incident tickets, and apply rigorous testing methodologies aligned with industry and regulatory requirements. The ideal candidate will demonstrate proactive problem-solving skills, conduct root cause analyses, and collaborate effectively with diverse stakeholders. Flexibility with working hours and willingness to undertake international travel for short to medium durations are essential. A valid UK or European driving licence is required. Key Responsibilities • Conduct thorough vehicle validation for connected car services via mobile and smartwatch interfaces, • Ensure test resources are prepared and available ahead of validation activities, • Raise, manage, and track incident tickets through to resolution, • Follow testing procedures compliant with automotive specifications and regulations, • Verify vehicle-level quality, functionality, and reliability standards are consistently met, • Perform root cause analyses in collaboration with relevant stakeholders, • Manage multiple projects simultaneously, demonstrating strong prioritisation skills, • Undertake international travel as required, occasionally at short notice Skills and Experience • Experience in Python programming, • Practical knowledge of problem-solving tools and techniques, • Excellent written and verbal communication skills, • Proficiency in Microsoft Excel and PowerPoint, • Strong ability to prioritise and multitask effectively, • Self-motivated, proactive, energetic, and adaptable to flexible working practises and hours, • Valid UK or European driving licence (essential), • Automotive validation experience (desirable but not essential) Software and Tools • Python, • Microsoft Excel, • Microsoft PowerPoint, • Incident management systems (ticketing tools) Certifications and Standards • Valid UK or European driving licence (mandatory), • Familiarity with automotive testing standards and regulatory requirements (preferred) This role offers an excellent opportunity for an ambitious Junior Engineer to develop expertise within automotive telematics validation, working within a hybrid environment and gaining exposure to international travel. xrnqpay We welcome applications from all suitably qualified candidates and are committed to fostering an inclusive and accessible workplace.

We are looking for a reliable and experienced Multiskilled Engineer with a strong plumbing background to join our team at Whipsnade Zoo. This role involves carrying out both planned and reactive maintenance tasks across the site, with a primary focus on plumbing and general building maintenance. Additional responsibilities include fabric repairs and fencing works. A full, clean UK driving licence is essential, as travel around the site will be required. While plumbing and fabric maintenance are key aspects of the role, experience with mechanical systems—such as HVAC, ventilation, and general building services—is highly desirable. Key Responsibilities Perform maintenance and repair work across the site, including routine inspections of plumbing systems (pipes, fixtures, pumps, water heaters) to ensure efficiency and prevent issues. Undertake a variety of fabric tasks, including carpentry, fencing, paving, and general building repairs. Support minor painting and decorating tasks as needed. Assist with plumbing and mechanical tasks, providing support to colleagues when required. Respond promptly and professionally to reactive maintenance requests. Ensure all work meets high standards and complies with site procedures and specifications. Maintain a safe, clean, and organised working environment. Adhere to all health & safety regulations, risk assessments, and method statements. Complete accurate job reports, permits, and documentation. Communicate effectively with site management, subcontractors, stakeholders, and other trades. Essential Skills & Experience Proven experience in a similar role. Strong organisational and time management skills, with the ability to manage multiple priorities. Excellent communication skills and the ability to build strong working relationships. Good understanding of the built environment and ability to deliver high-quality outcomes promptly. Strong problem-solving skills and a proactive approach. Thorough knowledge of health & safety regulations and ability to work within compliance. Professional, customer-focused attitude with integrity and reliability—representing both Pareto and ZSL at all times. Willingness to learn and develop new skills, supporting team growth

Field Service Engineer Covering the Southeast of England £35,000 Per Annum Starting Salary – Regularly Reviewed & Increased based on performance We are currently looking for a Field Service Engineer for our prestigious client., who specialise in Heating, ventilation and air conditioning, and potable water systems. You will mainly be working in the Southeast of the UK, travelling to sites in this area. With the requirement to travel to Head Office in the Midlands. There may be some need to work outside of this area, so flexibility is a must. The role will involve undertaking maintenance and remedial works on water treatment equipment. Work will be planned and prepared based on equipment specifications and system design drawings. You will also be involved in pre-commissioning checks and testing equipment and logging accurate data. You will also be responsible for diagnosing faults, repairing, and replacing equipment. The role will involve liaising with customers on a daily basis as well as the service team, so good communication skills are essential. This position will involve travel over the Southeast of England, and will require you to stay away overnight at times – accommodation and travel related subsistence provided. Would ideally suit some one who lives in the Hertfordshire, Bedfordshire, Luton, or Buckinghamshire areas close to the southeast and able to get to the Head Office in Leicestershire easily. Main Duties & Responsibilities: Undertake maintenance and remedial works on water treatment equipment through the application of accepted engineering practice and in line with our established procedures. Plan and prepare your work based on the equipment specifications and system design drawings (Heating, ventilation and air conditioning, and potable water systems). Ensure equipment and component installations are of acceptable quality and meet design specification. Complete pre-commission checks prior to commissioning water treatment equipment. Sample system water, check water quality parameters, system operating temperatures and pressures, equipment integrity and record measurements. Set up and programme ancillary equipment and programmable logic controllers for effective operation. Measure and calculate component timings, record data and interpret readings. Provide summary reports to clients. Prepare estimations of materials, equipment parts and labour, review access arrangements for remedial works. Condition survey for turnkey projects at client sites. Troubleshoot and diagnose faults, undertake like for like replacements and repairs in situ. Reinstate operation and maintain efficient operation of the water treatment equipment. Liaise with customers and inform on issues, necessary repairs, any resolved problems. Manage daily stock, consumables and parts and administration. Complete site work forms and file all records to meet submission and reporting deadlines. You will join the Service team and will need to be able to establish and maintain effective communication and good working relationships with all members of the team. Required Attributes: You will need to be able to demonstrate: You are suitably educated to A-level or have an equivalent level qualification and have proven experience working with building services systems. Your enthusiasm for the role and a willingness to learn new skills. Valid UK Driving Licence. You take pride in your appearance, are well-presented and conduct yourself professionally at all times. You’re practically minded with an aptitude for troubleshooting and problem solving. That you can work responsibly on your own and as part of a team with a common goal. You’re physically fit, as the role is a physical one e.g. you will be moving your tools, podiums, ladders, materials and replacement parts and equipment between your vehicle, site and installed locations. You have a high level of understanding of Health & Safety at Work, and applied use of safe working practice. Please forward any formal training. You should be able to provide examples of travelling and staying away for work as this is an integral part of the role. Works are scheduled weekly and you are responsible for preparing travel routes to arrive to site and be punctual. You have a full clean and valid driving license, valid passport / work visa that allows you to work in the UK. Our fleet insurance policy requires all drivers to be 25 or over. Interviewees will be required to sit a RoSPA driver profiler assessment. Disclosure and disbarring service clearance is a pre-requisite for access to several of our client sites. You will need two references; One must be from a previous employer. Further Details & Benefits: Established in-house training matrix and performance review programme. Potential for salary growth based on satisfactory performance, competency, and reliability in the role. Thereafter, annual performance review and salary adjustment based on training undertaken and proven experience. Travel related subsistence in accordance with the Staff Handbook. Premier Inn hotel is the standard for overnights which have the ‘Good Nights’ sleep policy. Twenty-eight days holiday, increased to 33 days after two years continuous full-time employment. 4% pension contribution if ‘auto enrolled’ to the Company’s Government based Pension scheme. Tracked Company van (once working independently this will be a high spec Transit Custom, e.g. automatic with aircon, heated screen / seats etc), for work use only. Company mobile phone and laptop for work use only. 6-month probationary period, reviewed at 1, 3 and 5 months based on feedback mechanism, followed by annual performance reviews. Initial familiarisation and training ~ 1 - 2 weeks away at our main office in Leicestershire. The extent of staying away is determined by the service departments workload. If you feel this role is for you please email (url removed) or call (phone number removed) for further information

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

We are seeking experienced Principal Site Reliability Engineers (SRE) to join a high-performing engineering team delivering resilient, cloud-native platforms for UK-based customers. Principal Site Reliability Engineer x5 (SC Cleared). Lead and contribute to Site Reliability Engineering practices, in

Collaborating with engineering, DevOps and operations teams to optimise performance and reliability. On-site facilities including parking, gym, café and restaurant.

Senior Site Reliability Engineer. Site Reliability Engineer roles. Apply now to join a high-impact, platform engineering team!.

Work on essential services supporting core applications in demanding environments, blending software engineering with operational reliability.

I’m partnering with a leading global high-performance technology team to hire a Site Reliability Engineer | Production Infrastructure. Join a cutting-edge engineering environment where systems reliability, automation, and performance are critical to global-scale, low-latency operations. You’ll b

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 We’re looking for a true Senior Site Reliability Engineer with deep incident management experience, strong operational ownership, and expert Li

Are you passionate about cloud technology and looking to launch your career in IT operations and automation? We’re looking for a curious, enthusiastic junior engineer who wants to develop deep experience in cloud monitoring, automation, environment management and real-world SaaS operations to join

We’re looking for 2x Senior Site Reliability Engineers (SREs) to join a household-name product company. Site Reliability Engineer (Contract) – AWS / Kubernetes / Terraform. You’ll work alongside an experienced Infrastructure Lead and multiple engineering teams to scale platform capabilities ��

This leading fan-to-fan ticket exchange platform is looking for a Site Reliability Engineer (SRE) to join their Engineering Department where you will make sure their platform is reliable, performant, and resilient. Google Analytics, Hotjar, or specialized APM tools) to inform reliability decisions.

PLATFORM ENGINEER, SITE RELIABILITY ENGINEER, AZURE, INFRASTRUCTURE, AZURE ARCHITECT, AZURE CONSULTANT, CLOUD ENGINEER, ANSIBLE, TERRAFORM, INFRASTRUCTURE DEVELOPMENT, DEFENCE, NATIONAL SECURITY, DV CLEARED, DV CLEARANCE, SECURITY CLEARED, NSD. SITE RELIABILITY ENGINEER- SC CLEARED. Permanent opport

We are looking for a Site Reliability Engineer (SRE) to join an established and. Help improve workload reliability and performance. Work closely with software engineers and product owners.

We're looking for a Site Reliability Engineer to own the infrastructure, observability, and operational health of the Equals platform. Reliability & Incident Response. Manage queue system reliability (BullMQ on Redis): concurrency tuning, rate limiting, stalled job handling, autoscaling.

SITE RELIABILITY ENGINEER- SC CLEAREDSITE RELIABILITY ENGINEER- Permanent opportunity for a Site Reliability Engineer with active SC clearance and eligibility for DV Clearance. WHO ARE WE?Were hiring for Site Reliability Engineers to joi.

As a Site Reliability Engineer, you’ll collaborate closely with software developers to integrate reliability into application design. You’ll play a crucial role as a Site Reliability Engineer, responsible for designing, building, and monitoring systems to maximize uptime and efficiency, providin

As a Senior Site Reliability Engineer, you'll work at the intersection of cloud infrastructure and blockchain, building the platform that our product teams deploy to. Design and implement infrastructure and tools that empower our product teams to rapidly and securely iterate, emphasizing reliability

A global IT services firm in the United Kingdom is looking for a site reliability engineer to join their innovative team.

Thought Machine’s Site Reliability Engineers are the guardians of mission‑critical systems for the world's most influential financial institutions. This role will be part of the Site Reliability Engineering team at Thought Machine HQ in London. You have experience successfully delivering enginee

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

Site Reliability Engineers (SREs) combine software and systems engineering expertise to build and operate the systems that power the firm’s investment strategies at the speed and scale required in fast‑evolving markets. Identify and deliver green‑field engineering solutions for issues based on

As a Senior Site Reliability Engineer, you will drive the development of a next‑generation infrastructure provisioning and automation platform. We are looking for an engineer with a strong software development background, fluency in languages such as Go or Python, and deep experience designing and

A leading financial technology company in Greater London is seeking a proficient Site Reliability Engineer.

A leading technology organization is looking for a Site Reliability Engineer to enhance system reliability and performance.

All engineers are expected to have strong communication skills and be able to concisely and accurately share knowledge with their teammates. Engineering and Information Technology. Our team is small, highly motivated, and focused on engineering excellence.

To power this mission, we are seeking a Senior Site Reliability Engineer (SRE) - Edge who understands that reliability, security, and performance start at the transport layer. We are building the foundation that allows our engineering organization to scale, innovate, and deliver "Wow" to athletes wo

A global financial services company is seeking a Lead Site Reliability Engineer to manage existing software sale clients and enhance their experience with high-quality solutions.

We’re looking for a Site Reliability Engineer to manage, maintain, improve and provide support on our platform. Reliability of our new global Tyk Cloud platform. Bare metal infrastructure engineering.

Production Engineer, Platform Engineer, Infrastructure Engineer, Linux Engineer, DevOps Engineer. DevOps/Site Reliability Engineer. One of London’s most elite fintech firms is hiring a Site Reliability Engineer to join a seriously strong, flat-structured infrastructure team.

A leading athletic technology company in Greater London is seeking a Staff Software Engineer to join the Developer Experience team. In this hands-on role, you will enhance the platform for internal engineering teams, focusing on automation, robust API design, and infrastructure as code.

At Holland & Barrett, we're transforming into a truly product- and platform-led technology organisation - and we're looking for a Lead Site Reliability Engineer who's excited by scale, complexity, and impact. A passion for uplifting engineering culture through tooling, automation, and reliability-fi

Site Reliability Engineer (SRE). This role sits at the heart of the platform: improving the health of our Aurora PostgreSQL estate, developing robust AWS infrastructure, enabling engineering teams with deep technical expertise, and driving the reliability culture required to support a fast-scaling p

We are looking for a hands‑on Site Reliability Engineer (SRE) with a strong background in Linux infrastructure and third‑party system operations. We are looking for an experienced engineer with strong Linux and system-level expertise who can operate autonomously in complex production environment