{"id":179298,"url":"https://alion.io/job/barclays-senior-site-reliability-engineer","title":"Senior Site Reliability Engineer","company":{"id":12541,"name":"Barclays","domain":"home.barclays","url":"https://alion.io/company/barclays-uk","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":95,"open_postings":250,"ghost_share":0.012,"stale_share":0.28,"repost_share":0.132,"time_to_fill_p50_days":13,"computed_at":"2026-10-17T05:46:00Z"}},"role":"DevOps","role_family":"DevOps","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Glasgow, United Kingdom","United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":62000,"max_usd":120000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":54},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Incident Management","optional":false}],"status":"live","first_seen_at":"2026-08-20T00:00:00Z","employer_posted_date":"2026-08-20","last_verified_at":"2026-10-17T06:02:27Z","board_verified":true,"closed_at":null,"days_open":58,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":58},"description":"Job Description\nPurpose of the role\nTo build and maintain infrastructure platforms and products that support applications and data systems, using hardware, software, networks, and cloud computing platforms as required with the aim of ensuring that the infrastructure is reliable, scalable, and secure. Ensure the reliability, availability, and scalability of the systems, platforms, and technology through the application of software engineering techniques, automation, and best practices in incident response.\nAccountabilities\nBuild Engineering: Development, delivery, and maintenance of high-quality infrastructure solutions to fulfil business requirements ensuring measurable reliability, performance, availability, and ease of use. Including the identification of the appropriate technologies and solutions to meet business, optimisation, and resourcing requirements.\nIncident Management: Monitoring of IT infrastructure and system performance to measure, identify, address, and resolve any potential issues, vulnerabilities, or outages. Use of data to drive down mean time to resolution.\nAutomation: Development and implementation of automated tasks and processes to improve efficiency and reduce manual intervention, utilising software scripting/coding disciplines.\nSecurity: Implementation of a secure configuration and measures to protect infrastructure against cyber-attacks, vulnerabilities, and other security threats, including protection of hardware, software, and data from unauthorised access.\nTeamwork: Cross-functional collaboration with product managers, architects, and other engineers to define IT Infrastructure requirements, devise solutions, and ensure seamless integration and alignment with business objectives via a data driven approach.\nLearning: Stay informed of industry technology trends and innovations, and actively contribute to the organization's technology communities to foster a culture of technical excellence and growth.\nVice President Expectations\nTo contribute or set strategy, drive requirements and make recommendations for change. Plan resources, budgets, and policies; manage and maintain policies/ processes; deliver continuous improvements and escalate breaches of policies/procedures..\nIf managing a team, they define jobs and responsibilities, planning for the department’s future needs and operations, counselling employees on performance and contributing to employee pay decisions/changes. They may also lead a number of specialists to influence the operations of a department, in alignment with strategic as well as tactical priorities, while balancing short and long term goals and ensuring that budgets and schedules meet corporate requirements..\nIf the position has leadership responsibilities, People Leaders are expected to demonstrate a clear set of leadership behaviours to create an environment for colleagues to thrive and deliver to a consistently excellent standard. The four LEAD behaviours are: L - Listen and be authentic, E - Energise and inspire, A - Align across the enterprise, D - Develop others..\nOR for an individual contributor, they will be a subject matter expert within own discipline and will guide technical direction. They will lead collaborative, multi-year assignments and guide team members through structured assignments, identify the need for the inclusion of other areas of specialisation to complete assignments. They will train, guide and coach less experienced specialists and provide information affecting long term profits, organisational risks and strategic decisions..\nAdvise key stakeholders, including functional leadership teams and senior management on functional and cross functional areas of impact and alignment.\nManage and mitigate risks through assessment, in support of the control and governance agenda.\nDemonstrate leadership and accountability for managing risk and strengthening controls in relation to the work your team does.\nDemonstrate comprehensive understanding of the organisation functions to contribute to achieving the goals of the business.\nCollaborate with other areas of work, for business aligned support areas to keep up to speed with business activity and the business strategies.\nCreate solutions based on sophisticated analytical thought comparing and selecting complex alternatives. In-depth analysis with interpretative thinking will be required to define problems and develop innovative solutions.\nAdopt and include the outcomes of extensive research in problem solving processes.\nSeek out, build and maintain trusting relationships and partnerships with internal and external stakeholders in order to accomplish key business objectives, using influencing and negotiating skills to achieve outcomes.\nAll colleagues will be expected to demonstrate the Barclays Values of Respect, Integrity, Service, Excellence and Stewardship - our moral compass, helping us do what we believe is right. They will also be expected to demonstrate the Barclays Mindset - to Empower, Challenge and Drive - the operating manual for how we behave.\nJoin us as aSenior Site Reliability Engineer to drive reliability, scalability, and performance across our critical banking systems. This role involves hands-on SRE expertise, including advanced programming skills and the ability to embed SRE practices and maturity across diverse stakeholder groups.\nTo be successful in this role you should have:\nDemonstrated practical experience with SRE practices, including programming skills and ability to drive SRE maturity across stakeholder groups. Exhibits advanced fault analysis capabilities-troubleshooting and problem-solving utilizing the scientific method, hypothesis formation and validation, gathering evidence and drawing conclusions using inductive and deductive reasoning.\nPassion for continuous improvement through data insights, with a bias for action, controlled experimentation, and the fundamental belief that measurement is a prerequisite for improvement.\nAbility to facilitate technical discussions, conduct blameless retrospectives, explain complex systems to diverse audiences, and influence organizational direction through effective communication.\nBoundless curiosity for understanding complex systems and their sociotechnical interactions, with the ability to articulate these relationships through narrative, diagrams, and documentation.\nKeen interest in researching, evaluating and directly engaging with technologies to improve predictability, observability and performance, combined with enthusiasm for teaching others and lifelong learning.\nSome other highly valued skills include:\nA deep understanding of systems engineering, including operating systems, networking, and cloud infrastructure, automation tools, and infrastructure-as-code.\nInterest and experience in innovative uses for artificial intelligence, solving technology problems faster and at greater scale.\nExperience with observability tools and techniques for instrumentation, gathering information and extending the boundaries of the known. \nYou may be assessed on the key critical skills relevant for this role, such as risk and controls, change and transformation, business acumen strategic thinking and digital and technology, as well as job-specific technical skills.\nThis role can be based out of our Knutsford or Glasgow 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