Senior Site Reliability Engineer – Manchester

ARM; Manchester; On-site; GBP 120,000 - 138,000; Full time

Job summary

Advanced Resource Managers Ltd is seeking a Senior Site Reliability Engineer to own reliability, observability and operational health of cloud infrastructure in Manchester. You will use SLOs to guide improvements and help grow the engineering capability of the team.

In this 6-12 month contract, you will design, build and operate infrastructure as code, improve release safety with CI/CD, plan capacity and resilience, and participate in on-call escalation.

Qualifications

• Substantial experience in SRE, DevOps or infra engineering at scale.
• Proven record of improving reliability against defined SLOs.
• Experience supervising or mentoring engineers.
• Clear written and verbal communication with stakeholders.
• Calm, structured problem solving under pressure during incidents.

Responsibilities

• Manage development and operation of significant aspects of the data management system, with guidance from senior colleagues.
• Design, build and maintain infrastructure as code, automation and tooling that remove manual toil.
• Improve release safety through CI/CD pipelines, progressive delivery and rollback practices.
• Plan capacity and performance, and carry out resilience, failover and load testing.
• Take part in the on‑call rota and act as an escalation point for the area.
• Work with development, security and product teams to embed reliability in design and delivery.

Skills

SRE experience

DevOps

Infra engineering

CI/CD

Incident management

Mentoring

Communication

Job description

£650 - £750 per day Inside IR35 via umbrella

Manchester

6-12 month contract

Role overview

The Senior Site Reliability Engineer (SRE) owns the reliability, observability and operational health of one or more areas of the cloud infrastructure, and leads the SREs working in that area. They use service level objectives (SLOs) to decide which operational improvements matter most, and they build the engineering capability of the team around them.

Responsibilities

Engineering and operations

• Manages the development and/or operation of significant aspects of the data management system, with guidance from senior colleagues.
• Designs, builds and maintains infrastructure as code, automation and tooling that remove manual toil.
• Improves release safety through CI/CD pipelines, progressive delivery and rollback practices.
• Plans capacity and performance, and carries out resilience, failover and load testing.
• Takes part in the on‑call rota and acts as an escalation point for the area.
• Works with development, security and product teams to embed reliability in design and delivery.

Experience and behaviours

Essential

• Substantial experience in SRE, DevOps or infrastructure engineering running production services at scale.
• Proven record of improving reliability against defined SLOs.
• Experience supervising, coaching or mentoring engineers.
• Clear written and verbal communication with technical and non‑technical stakeholders.
• Calm, structured problem solving under pressure during incidents.

Desirable

• GCP certification, such as Professional Cloud Architect or Professional Cloud DevOps Engineer.
• Kubernetes certification, such as CKA or CKAD.
• Experience with data platforms and data management systems.
• Experience in a regulated environment such as financial services.