22 of 22 Contract Site Reliability Engineer Jobs

Site Reliability Engineer UK (Remote) 6 Month Contract An excellent contract opportunity for a skilled Site Reliability Engineer to join a forward-thinking technology company. This is a trusted, high-impact engineering environment where a Site Reliability Engineer will be given real ownership, solving complex problems and building systems that directly … accelerate software delivery at scale. As a Site Reliability Engineer, you'll focus on creating and improving the platforms, tools, and services that support modern web engineering. Your work will cover everything from building new environments and optimising CI/CD pipelines to enhancing observability, monitoring, and runtime systems. The goal is clear: empower web engineers to … system resilience. Clean, maintainable code, strong security practices, and expertise in modern cloud infrastructure are essential. Site Reliability Engineer - Key Skills & Experience: Solid experience in platform, SRE, or backend-focused roles Strong coding ability in Go, Python, or Java (for building tooling and services) Proven expertise with AWS, including CloudFront and related web application services Track record More ❯

Site Reliability Engineer (Contract – Outside IR35) | Hybrid – Hereford (with occasional site visits) | Day Rate: £500–£600 Build, Optimise, and Secure the Systems That Power the UK's Most Critical Infrastructure In 2019, a team of engineers solving complex cross-domain challenges inside government organisations came together to form TwinStream — a business built on technical excellence, innovation … domain and cloud infrastructure solutions to some of the most high-profile government programmes in the country. Now we're looking for a Site Reliability Engineer (SRE) to join us on a contract basis — someone ready to own reliability, drive automation, and keep our systems performing flawlessly. The Site Reliability Engineer Role: As … Security Clearance: Due to the nature of our projects, candidates must be eligible for DV Clearance . Ready to Deliver Reliability That Matters? If you're an experienced SRE who thrives on solving complex infrastructure challenges, driving automation, and delivering secure, high-performance systems — we want to hear from you. Apply now and join TwinStream — where your engineering skill More ❯

Site Reliability Engineer Day Rate: £500 - £600 Location: Hybrid - 3-4 days on site per week - Herefordshire (occasional travel to other UK sites) Contract Position Availability: On-call rota …/7 when required) Security Clearance: SC clearance required Start Date : ASAP 3-month rolling contract Overview We're looking for a Site Reliability Engineer (SRE) to join our client's growing cross-domain services team, supporting critical systems used by major UK government organisations. As part of this dynamic environment, you'll play a key role … efficient . You'll collaborate closely with software development, support, and operations teams to improve cloud and on-prem infrastructure, optimise CI/CD pipelines, enhancesystemobservability, and proactively manage reliability risks across complex environments. Key Responsibilities Partner with Software Engineers to enhance system reliability, scalability, and performance. Collaborate with System Administrators to automate repetitive tasks and streamline alerts. More ❯

Role: Site Reliability Engineer Location: London or Manchester (2 days per week on-site + monthly team days rotating between locations) Duration: 6 months Rate: £675 per day (Inside IR35) Security Clearance: Must hold active SC clearance due to project timings Team Size: Core team of 10 within a wider programme of 60+ and expanding Experience … Level: 4+ years About the Role We're looking for an experienced Site Reliability Engineer to support a major central government programme, ensuring the reliability, scalability, and performance of critical digital services. You'll help shape modern cloud infrastructure and enable engineering teams to deliver secure and resilient platforms. Essential Requirements Technical Skills AWS Services: Strong … administration skills Leadership & Approach Technical Direction: Capable of providing technical leadership and mentoring without direct line management responsibilities System Design: Skilled in designing and implementing efficient, high-performing systems Reliability & Scalability: Focused on delivering robust, maintainable, and secure infrastructure solutions Collaboration: Comfortable working within cross-functional teams and engaging stakeholders across central government What You'll Be Doing Building More ❯

Site Reliability Engineer Day Rate: £500 - £600 Location: Hereford (Hybrid working) Security Clearance: Must have at least SC clearance and be eligible for DV clearance Contract Type: Contract (Outside IR35) We're currently recruiting for an experienced Site Reliability Engineer to support the growth and reliability of a suite of cross-domain services … availability, performance, and cost-efficiency across both cloud and on-prem infrastructure. You'll work closely with development and support teams to evolve infrastructure, enhance observability, and proactively mitigate reliability risks. Key Responsibilities: Collaborate with software engineers to improve reliability and performance Automate operational tasks and reduce alert fatigue Enhance monitoring and observability to pre-empt issues Support More ❯

Site Reliability Engineer/Live Operations Engineer - 6 month contract £570 per day OutsideIR35 - Glasgow Hybrid One of Loriens leading Public Sector Clients are looking for a highly experienced Site Reliability Engineer/Live Operations Engineer to join their team on an initial 6 month contract with possible extensions. Job Outline: The … organization has recently upgraded its IT systems and continues to improve them. As a Live Operations Engineer , you'll help maintain and enhance these critical safeguarding services by developing, testing, and supporting new and existing IT features. You will be responsible for designing and implementing tests, debugging, and defining corrective actions, and making stack regression proof. You will work More ❯

Site Reliability Engineer (SRE)/Platform Engineer Role Purpose As part of a cross-functional team, you will design, implement, and maintain secure, scalable, and highly available infrastructure and applications. This role focuses on diagnosing complex system issues, refining monitoring and reporting, and driving best practices across infrastructure and reliability engineering. Key Responsibilities Collaborate with … cross-functional teams to implement internal applications effectively. Diagnose and resolve complex system performance and reliability issues. Enhance system monitoring and reporting capabilities. Identify and implement architectural and operational best practices in partnership with other SREs and engineering teams. Apply Infrastructure-as-a-Service (IaaS) principles and implementation methods. Use diagnostic tools (dumps, traces, logs) to troubleshoot complex problems. More ❯

Site Reliability EngineerDay Rate: £500 - £600Location: Hereford (Hybrid working)Security Clearance: Must have at least SC clearance and be eligible for DV clearanceContract Type: Contract (Outside IR35)We're currently recruiting for an experienced Site Reliability Engineer to support the growth and reliability of a suite of cross-domain services used in complex, high … service availability, performance, and cost-efficiency across both cloud and on-prem infrastructure.You'll work closely with development and support teams to evolve infrastructure, enhance observability, and proactively mitigate reliability risks.Key Responsibilities:Collaborate with software engineers to improve reliability and performanceAutomate operational tasks and reduce alert fatigueEnhance monitoring and observability to pre-empt issuesSupport development environments to meet More ❯

Site Reliability Engineer (SRE)/Platform Engineer Role Purpose As part of a cross-functional team, you will design, implement, and maintain secure, scalable, and highly available infrastructure and applications. This role focuses on diagnosing complex system issues, refining monitoring and reporting, and driving best practices across infrastructure and reliability engineering click apply for full More ❯

Job Title: Site Reliability Engineer Location: London or Manchester (Hybrid; 2 to 3 days per week onsite) Clearance: Active SC Clearance Contract Length: Initial 12 months Day Rate: £650-£675 p/d Inside IR35 We are partnering with a major government department in their search for an experienced Site Reliability Engineer to involved … transforming of complex and sensitive data into a modern, reliable data hub used across government and beyond. You'll work in a multidisciplinary team, solving complex problems, improving platform reliability, and building infrastructure that scales. This is a chance to have real impact on how the public sector shares data. We're looking for: Linux expert, comfortable with VMs More ❯

SC Cleared - Senior SRE Initial 6-month Contract Role Hybrid working, twice per week in London office £450 - £500, Inside IR35 Please note, current and active SC Clearance is mandatory to be considered We're partnering with a Global IT Provider who are seeking a highly skilled and experienced Senior Site Reliability Engineers with good proficiency in cloud More ❯

with a long-standing client in the data and analytics space, an organisation known for its technical excellence, collaborative culture, and meaningful impact across sectors. They re scaling their SRE function and looking for a seasoned engineer to join a high-performing team delivering internal applications that power critical operations. This is a 6-month contract (with strong potential … Experience with scalable, cloud-native applications This is a brilliant opportunity to work with a forward-thinking tech team that values autonomy, innovation, and impact. If you re an SRE who thrives in fast-paced environments and loves solving complex problems, I d love to hear from you. Apply now to learn more. More ❯

with a long-standing client in the data and analytics space, an organisation known for its technical excellence, collaborative culture, and meaningful impact across sectors. They’re scaling their SRE function and looking for a seasoned engineer to join a high-performing team delivering internal applications that power critical operations. This is a 6-month contract (with strong potential … Experience with scalable, cloud-native applications This is a brilliant opportunity to work with a forward-thinking tech team that values autonomy, innovation, and impact. If you’re an SRE who thrives in fast-paced environments and loves solving complex problems, I’d love to hear from you. Apply now to learn more. More ❯

iO Associates are partnered with a growing SME in the Defence industry, currently looking for an experienced SRE to start with them as soon as possible. Rate: £550 per day (Outside IR35) Duration: Initial 3 months Location: Hereford - 3 days per week on site Clearance: MOD DV Essential Skills & Experience Experience using configuration management tools such as Ansible or More ❯

iO Associates are partnered with a growing SME in the Defence industry, currently looking for an experienced SRE to start with them as soon as possible. Rate: £550 per day (Outside IR35) Duration: Initial 3 months Location: Hereford - 3 days per week on site Clearance: MOD DV Essential Skills & Experience Experience using configuration management tools such as Ansible or More ❯

DV-Cleared Application Support Engineer - Contract - Cheltenham - On-Site Hays Technology is recruiting an Application Support Engineer for a secure, on-site contract role in Cheltenham. This position is outside IR35 and requires active DV clearance. Rate: £550-£650/day Location: Cheltenham (3/4 days/week on-site) Duration: Contract Clearance: Must More ❯

Lead SRE/Observability Engineering Lead - (Outside IR35 Contract/Remote) Location: Bristol/London HQ - Largely Remote (Occasional Travel) Day Rate: Outside IR35 - £650 to £750 p/d Duration: 3-6 Months Initial - with intention to extend Payment Terms: Monthly Our client is a FTSE100 Wealth/Asset Management firm seeking to engage a Lead SRE Engineer … metrics and traces. Implementation & Enablement: Assist digital engineering teams in implementing synthetic monitoring, health checks, observable CI/CD pipelines, distributed tracing, and cloud-native monitoring patterns. Partner with SRE, DevOps, and engineering teams to embed observability into digital platforms and services. Collaboration & Culture: Promote a culture of data-driven decision-making and operational excellence. Drive adoption of observability best … practices, standards, and governance across teams. Technical Expertise Core Experience: 10+ years in engineering roles, with at least 5 years in SRE, Observability, or DevOps functions.Proven track record implementing observability solutions in cloud-native environments (AWS, Azure, or GCP). Hands-on proficiency with observability tools such as Datadog, Grafana, Prometheus, OpenTelemetry. Strong knowledge of distributed systems, microservices, and container More ❯

Lead SRE/Observability Engineering Lead - (Outside IR35 Contract/Remote) Location: Bristol/London HQ - Largely Remote (Occasional Travel) Day Rate: Outside IR35 - £650 to £750 p/d Duration: 3-6 Months Initial - with intention to extend Payment Terms: Monthly Our client is a FTSE100 Wealth/Asset Management firm seeking to engage a Lead SRE Engineer … metrics and traces. Implementation & Enablement: Assist digital engineering teams in implementing synthetic monitoring, health checks, observable CI/CD pipelines, distributed tracing, and cloud-native monitoring patterns. Partner with SRE, DevOps, and engineering teams to embed observability into digital platforms and services. Collaboration & Culture: Promote a culture of data-driven decision-making and operational excellence. Drive adoption of observability best … practices, standards, and governance across teams. Technical Expertise Core Experience: 10+ years in engineering roles, with at least 5 years in SRE, Observability, or DevOps functions.Proven track record implementing observability solutions in cloud-native environments (AWS, Azure, or GCP). Hands-on proficiency with observability tools such as Datadog, Grafana, Prometheus, OpenTelemetry. Strong knowledge of distributed systems, microservices, and container More ❯

DV-Cleared Application Support Engineer - Contract - Cheltenham - On-Site Hays Technology is recruiting an Application Support Engineer for a secure, on-site contract role in Cheltenham. This position is outside IR35 and requires active DV clearance. Rate: £550-£650/day Location: Cheltenham (3/4 days/week on-site) Duration: Contract Clearance: Must More ❯

Azure Infrastructure SRE Lead Upto £500.00 Per Day - Inside IR35 via Umbrella Location: 1 day per week in Woking 6 Months Our leading services client is seeking an experienced, UK based Azure Infrastructure SRE Lead to be responsible for the overall reliability, scalability, performance, and operational efficiency of systems and services deployed on the Microsoft Azure Cloud platform. This More ❯

Azure Infrastructure SRE Lead Upto 500.00 Per Day - Inside IR35 via Umbrella Location: 1 day per week in Woking 6 Months Our leading services client is seeking an experienced, UK based Azure Infrastructure SRE Lead to be responsible for the overall reliability, scalability, performance, and operational efficiency of systems and services deployed on the Microsoft Azure Cloud platform. This More ❯

Azure Infrastructure SRE Lead Upto £500.00 Per Day - Inside IR35 via Umbrella Location: 1 day per week in Woking 6 Months Our leading services client is seeking an experienced, UK based Azure Infrastructure SRE Lead to be responsible for the overall reliability, scalability, performance, and operational efficiency of systems and services deployed on the Microsoft Azure Cloud platform. This More ❯