Site Reliability Engineer Manchester

Hackajob Ltd; Gloucester; Hybrid; GBP 61,000 - 101,000; Full time

Job summary

BAE Systems Digital Intelligence is seeking a Site Reliability Engineer (SRE) to support and maintain critical services. The role emphasizes automating repeated tasks, improving availability and performance, and advising product teams on best practices for scalable systems.

You will work with AWS/Azure/OpenStack, Docker, ELK, and automation tools, while engaging in DevOps practices within a hybrid/MANCHESTER-based environment with flexible arrangements.

Qualifications

• Experience in software development using Java and web technologies (JavaScript/HTML).
• Familiarity with database technologies such as Elastic and Mongo.
• Hands-on Linux and Windows CLI skills (Bash/PowerShell).
• Experience with cloud infrastructure (AWS/Azure/OpenStack).
• Experience with deployment tools (Chef/Puppet).
• Expertise in monitoring large systems (ELK).
• Experience in Agile Scrum with Jira.
• Ability to diagnose/troubleshoot outages and issues across stacks.
• Troubleshooting across multiple layers of the stack.
• Understanding ITIL terminology.
• Experience with container management and microservices (Docker).
• Experience extending/open source software.
• Familiarity with automation test frameworks (Selenium).
• Awareness of tech trends and adopting new tools.

Responsibilities

• Support and maintain essential services to improve availability, performance and stability.
• Automate repetitive tasks and develop innovative solutions.
• Advise product teams on good practice for designing and building systems.
• Instrument applications to monitor performance and demonstrate improvements daily.
• Understand software-infrastructure relationships to ensure scalability and resilience.
• Optimize infrastructure to get the best out of deployed systems.
• Participate in the DevOps/SRE community within the organization.
• Apply software and systems engineering to reduce manual operations.
• Limit on-call activity to no more than half of their time.

Skills

Java

JavaScript

Linux

Bash

PowerShell

Agile Scrum

Jira

ITIL

Docker

ELK

Selenium

Cloud

OpenStack

Tools

AWS

Azure

OpenStack

Job description

Salary: £61,000 - 101,000 per year

Requirements

• We typically look for experience in software development in Java and web technologies such as JavaScript and HTML.
• We typically look for familiarity with database technologies such as Elastic and Mongo.
• We typically look for hands‑on experience with Linux and Windows command lines, such as Bash and PowerShell.
• We typically look for hands‑on experience with cloud infrastructure such as AWS, Azure or OpenStack.
• We typically look for use of deployment tools such as Chef and Puppet.
• We typically look for expertise in monitoring large systems using technologies such as ELK.
• We typically look for experience working in an Agile Scrum team, and the supporting tooling such as Jira.
• We typically look for experience diagnosing and troubleshooting application issues resulting in service outages.
• We typically look for troubleshooting skills across different levels of the stack.
• We typically look for understanding of ITIL terminology.
• We typically look for experience with container management and microservices architectures such as Docker.
• We typically look for experience extending and improving open source software.
• We typically look for familiarity with automation test frameworks such as Selenium.
• We typically look for awareness of technology trends and the ability to adopt new cutting‑edge tools.

Responsibilities

• We support and maintain essential services that support core mission applications, proactively improving their availability, performance and stability.
• We find innovative solutions to problems and automate repetitive work wherever possible.
• We work alongside product teams, advising them on good practice in how to design and build systems.
• We instrument applications where monitoring is insufficient and use the output to demonstrate improvements on a daily basis.
• We understand the relationship between software and infrastructure, including what makes systems scalable and resilient to failure.
• We get the best out of the infrastructure our systems are deployed to.
• We participate in the wider DevOps/SRE community within our organisation.
• We use software and systems engineering expertise to reduce manual operations work.
• We keep support and on-call activity to no more than half of our time.

Technologies

• AWS
• Azure
• Bash
• Cloud
• DevOps
• Docker
• ELK
• Support
• ITIL
• JIRA
• Java
• JavaScript
• Linux
• OpenStack
• PowerShell
• Puppet
• Security
• Selenium
• Web
• Windows
• microservices
• LESS

More

BAE Systems Digital Intelligence is home to 4,500 digital, cyber and intelligence experts. We work collaboratively across 10 countries to collect, connect and understand complex data so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding environments. The role is for a Site Reliability Engineer based in Manchester, with flexible and hybrid working arrangements available. Our National Security business in Gloucester is growing, and we offer opportunities to work on impactful client solutions while contributing to local community engagement and outreach activities that help build tech and cyber skills in the region. We foster an inclusive culture that values diversity, integrity and merit, and we support hybrid working to help balance work and personal life more effectively.

last updated 38 week of 2026