Job Specifications
Site Reliability Engineer
Contract - 12 months
Inside IR35
Hybrid working
£400-550 per day depending on experience
Job Description
My client is looking for a skilled Senior Site Reliability Engineer to play a key role in improving the reliability, scalability, and operational performance of their production systems. This role works closely with product and engineering teams to enhance system reliability, architecture, deployment safety, and observability.
Role Summary
My client is seeking a Senior Site Reliability Engineer to join a centralized Technical Operations function, where you will lead reliability initiatives and support operations across a range of large-scale, customer-facing digital services.
Operating within a centralized SRE model, you will partner with product and engineering teams while maintaining shared responsibility for production reliability, resilience, and scalability. The role includes participation in an on-call rotation supporting critical services, with shared ownership of overall system health.
You will be responsible for defining reliability standards, influencing architectural improvements, managing complex incidents, and building automation to improve deployment safety and operational efficiency. Your work will directly support high-traffic systems used by a global audience.
Key Responsibilities
Reliability & Risk Engineering
My client is looking for someone who can:
Identify systemic reliability risks and drive long-term preventative improvements
Define and refine SLIs, SLOs, and error budgets aligned with business and customer outcomes
Lead complex incident management, post-incident reviews, and remediation planning
Depth at Networkign Fundamentals - trouble shoting network infrastructure is key
Experiecne working as senrio SRE particularly around AWS
Architecture & Resilience
You will:
Review and influence system architecture to improve scalability, availability, and fault isolation
Design strategies for high availability, graceful degradation, and disaster recovery
Evaluate trade-offs between performance, cost, and operational risk
CI/CD & Deployment Safety
The successful candidate will:
Improve deployment pipelines and implement automation to reduce risk and accelerate delivery
Implement safe deployment strategies such as canary releases and blue/green deployments
Ensure strong rollback and recovery mechanisms
Observability & Performance
You will be expected to:
Build and enhance observability solutions including metrics, logging, and tracing
Work with teams to reduce alert fatigue and improve signal quality
Diagnose performance bottlenecks across infrastructure and applications
Infrastructure & Automation
My client is seeking someone who can:
Design and operate cloud-native, containerised workloads at scale
Use Infrastructure as Code to build and manage resilient platforms
Develop automation to reduce manual effort and operational risk
Cross-Functional Leadership
You will:
Mentor engineers and promote SRE best practices across teams
Collaborate with engineering, product, and security stakeholders to improve system reliability
Required Qualifications
My client is looking for candidates with:
A degree in Computer Science, Engineering, or equivalent practical experience
Strong experience designing and operating CI/CD systems with deployment safety practices
Excellent communication skills with the ability to influence cross-functional teams
7+ years of experience in SRE, production engineering, or systems engineering roles
Strong knowledge of distributed systems concepts, including consistency and failure handling
Hands-on experience with major cloud platforms (e.g., AWS, GCP, Azure), including multi-region environments
Strong experience with Kubernetes and container orchestration at scale
Proficiency in at least one programming language such as Go, Python, or Java
Proven experience managing high-severity incidents and leading remediation efforts
Preferred Qualifications
Ideally, candidates will also have:
Experience with multi-region or multi-cloud architectures
Familiarity with observability tools such as Prometheus, Grafana, or Datadog
Previous mentoring or technical leadership experience
Experience with Infrastructure as Code tools such as Terraform or CloudFormation
Exposure to AI-assisted tooling for incident analysis or operational efficiency
Desired Skills and Experience
7+ years of experience in SRE, production engineering, or systems engineering roles
Strong knowledge of distributed systems concepts, including consistency and failure handling
Hands-on experience with major cloud platforms (e.g., AWS, GCP, Azure), including multi-region environments
Strong experience with Kubernetes and container orchestration at scale
Proficiency in at least one programming language such as Go, Python, or Java
Proven experience managing high-severity incidents and leading remediation efforts
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About the Company
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