Site Reliability Engineer - Gloucester

Hackajob Ltd; Gloucester; Hybrid; GBP 59,000 - 72,000; Full time

Job summary

BAE Systems Digital Intelligence in Gloucester (with a Manchester-based role) is hiring a Site Reliability Engineer to support essential services for national security projects, focusing on availability, performance and resilience.

You will automate toil, work with product teams to implement best practices, and participate in the wider DevOps/SRE community. Hybrid/ Flexible work options are offered.

Qualifications

• Experience in software development with Java and web technologies (JavaScript/HTML).
• Familiarity with databases such as Elastic and MongoDB.
• Experience with Linux and Windows command lines (Bash/PowerShell).
• Hands-on experience with cloud infrastructure (AWS/Azure/OpenStack).
• Use of deployment tools (Chef/Puppet).
• Expertise in monitoring large systems (ELK).
• Experience in Agile/Scrum with Jira.
• Diagnosing and troubleshooting application issues and outages.
• Strong troubleshooting across stack levels.
• Understanding ITIL terminology.
• Experience with container management and microservices (Docker).
• Experience extending and improving Open Source Software.
• Familiarity with automation test frameworks (Selenium).
• Awareness of technology trends to adopt cutting-edge tools.

Responsibilities

• Support and maintain essential services that underpin core mission applications, improving availability, performance and stability.
• Automate repetitive tasks and seek innovative solutions to problems.
• Collaborate with product teams and advise on best practices to design and build systems.
• Ensure support work stays under 50% of time; route excess support to product teams.
• Instrument applications with monitoring and use data to drive daily improvements.
• Understand the software-infrastructure relationship to optimize the deployed infrastructure.
• Participate in the wider DevOps/SRE community within the organisation.

Skills

Java

JavaScript

Linux

Windows

Agile Scrum

ITIL

Selenium

Monitoring

Troubleshooting

Open Source

Tools

Chef

Puppet

JIRA

Docker

Kubernetes

OpenStack

ELK

Bash

PowerShell

AWS

Azure

Job description

Salary: £65,000 - 65,000 per year

Requirements:

• Experience in software development in Java and web technologies, e.g. JavaScript and HTML
• Familiarity with database technologies such as Elastic and Mongo
• Experience working with Linux and Windows command lines, e.g. Bash and PowerShell
• Hands-on experience with cloud infrastructure such as AWS, Azure or OpenStack
• Use of deployment tools such as Chef and Puppet
• Expertise in monitoring large systems using technologies such as ELK
• Experience working in an Agile scrum team and using supporting tooling, e.g. Jira
• Experience diagnosing and troubleshooting application issues resulting in service outages
• Strong troubleshooting skills across different levels of the stack
• Understanding of ITIL terminology
• Experience with container management and micro-services architectures such as Docker
• Experience extending and improving Open Source Software
• Familiarity with automation test frameworks such as Selenium
• Awareness and insight into technology trends to adopt new cutting-edge tools

Responsibilities:

• Support and maintain essential services that support core mission applications, proactively improving availability, performance and stability
• Find innovative solutions to problems rather than undertaking repetitive work, automating everything possible
• Work alongside product teams and advise them on good practice in how to design and build systems
• Ensure support work does not take more than 50% of time, with excess support handled by the product team
• Instrument applications where sufficient monitoring is not in place and use the output to demonstrate daily improvements
• Understand the relationship between software and infrastructure and how to get the best out of the infrastructure deployed to
• Participate in the wider DevOps/SRE community within the organisation

Technologies:

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

More:

We are BAE Systems Digital Intelligence, home to 4,500 digital, cyber and intelligence experts working 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. We are hiring a Site Reliability Engineer for our growing National Security business in Gloucester, with a role based in Manchester and offering hybrid and flexible working arrangements. We provide opportunities to make a real difference, support local community engagement and outreach activities, and work in an inclusive culture that values diversity, integrity and merit. We are embracing Hybrid Working, giving our teams flexibility to work from home, another office or client site, and we are committed to diversity, inclusion and reasonable adjustments throughout our recruitment process.

last updated 37 week of 2026