New Job - Senior Site Reliability Engineer - London

Job Title: Senior Site Reliability Engineer

The Skills You'll Need: Site Reliability Engineer, CI/CD systems, CloudWatch alerting

Your New Salary: £45 to £64 per hour

London - Hybrid (1-2 days office)

12 months temporary agency worker

Start: ASAP

What You'll be Doing:

Reliability & Risk Engineering

• Identify systemic reliability risks and drive lasting preventative improvements.
• Define, implement, and refine SLIs, SLOs, and error budgets aligned with business and customer outcomes.
• Lead sophisticated incident management, post-incident analysis, and extended remediation planning.

Architecture & Resilience

• Review and influence system architecture to improve scalability, availability, and failure isolation.
• Design strategies for high availability, graceful degradation, and disaster recovery across multi-region environments.
• Quantify tradeoffs between performance, cost, and operational risk.

CI/CD & Deployment Safety

• Upgrade deployment pipelines and implement automation that diminishes risk and quickens delivery.
• Implement safe deployment patterns (canary, blue/green, progressive delivery).
• Ensure robust rollback and recovery mechanisms.

The Skills You'll Need to Succeed:

• Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience.
• Recent experience in site reliability or production engineering required
• Experience designing and operating CI/CD systems with deployment safety guardrails.
• Experience with multi-cloud or multi-region resilience architecture.
• Proficiency with monitoring and observability tools (e.g., Prometheus, Grafana, Datadog).
• Experience working with Infrastructure as Code tools such as Terraform or CloudFormation.
• Hands-on experience operating production workloads in AWS, GCP, or Azure environments, including multi-region deployments.

Please follow us on Linkedin:

We would be grateful if you could send your CV as a Word document. If your application is successful, you will be contacted within 7 days. We regret that due to the high volume of applications we receive we cannot provide feedback on individual CVs. Please note that we can only consider candidates who are eligible to work in the UK and are able to provide relevant supporting documentation.

People First is committed to increasing diversity, and maintaining an inclusive workplace culture. We welcome applications from all qualified candidates regardless of their ethnicity, race, gender, religious beliefs, sexual orientation, age, marital status or whether or not they have a disability.

People First (Recruitment) Limited acts as an employment agency for permanent and fixed term contract recruitment and as an employment business for the supply of temporary workers. Please note that by applying for this job you accept our Terms of Use and Privacy Policy which can be found on our website.

Click for more Business Critical Support jobs from People First Professional , specialist recruiters for high-calibre professionals in London.