Senior Infrastructure Engineer - Linux in Salisbury

There is a lot happening in Linux! Join our dynamic IT Defence team, where you will be responsible for all aspects of our Linux capabilities. This role offers exposure to business‑as‑usual operations, delivered services, and innovative project work. We welcome candidates with experience in Slurm or HPC and Ansible. You do need to be eligible for SC and DV Clearance. Hybrid Fixed: 3 days per week on our Portsmouth OR Salisbury site, 2 days home working.

What you’ll be doing

• Oversee and enhance Linux platform capabilities.
• Develop and maintain open‑source and commercial tooling.
• Provide expert 3rd line technical support, mentoring, and fault resolution for 1st/2nd line teams.
• Act as a subject matter expert in Linux.

What we need from you

• Extensive experience in large‑scale Linux platform engineering and automation.
• Proficiency with Enterprise Linux OS (RedHat, CentOS, Oracle) to RHCE level.
• Familiarity with DevOps and automation tools (Terraform, Git, Ansible, Vault).
• Experience in building and securing Linux environments, including Kubernetes clusters (on‑premise and cloud).

It would be great if you had

• Network technologies (LAN, WAN, Cisco switching, Juniper and Fortinet security products) and working knowledge of TCP/IP networking.
• Database administration (MySQL, PostgreSQL, MariaDB or InfluxDB).
• Virtualisation management experience – VMware, XenServer, OpenStack or Hyper‑V.
• Working knowledge of Openshift, Openstack.
• Secure LINUX and IPTables.

If you are interested in this role but not sure if your skills and experience are exactly what we’re looking for, please do apply – we’d love to hear from you!

Employment Type

Permanent

Location

Hybrid Fixed: 3 days in Portsmouth OR Salisbury.

Security Clearance Level

Eligible for SC and DV Clearance.

Internal Recruiter

Jane

Salary

To £Dependent on experience

Benefits

25 days annual leave with the choice to buy additional days, health cash plan, life assurance, pension, and generous flexible benefits fund.

Loved reading about this job and want to know more about us?

Sopra Steria’s Aerospace, Defence and Security business designs, develops and deploys digital solutions to Central Government clients. The work we do makes a real difference to the client’s goal of National Security, and we operate in a unique and privileged environment. We are given time for professional development activities, and we coach and mentor our colleagues, sharing knowledge and learning from each other. We foster a culture in which employees feel valued and supported and have pride in their work for the customer, delivering outstanding rates of customer satisfaction in the UK’s most complex safety‑and‑security‑critical markets. We embrace difference as a source of creativity, innovation and competitive advantage and are striving to become a more diverse organisation. We welcome applications from people with a diverse variety of backgrounds and identities. We are committed to equality of opportunity for all and do not discriminate on the basis of race, religion, colour, gender, age, disability, sexual orientation or marital status. We have partnered with Vercida, the UK\’s largest diversity and inclusion focused careers site, where all our vacancies are available in an accessible format. If you require any adjustments to the recruitment process, to enable you to perform to the best of your ability, please let us know when completing your application. We participate in the Disability Confident scheme and are committed to offering an interview to any candidate with a disability, who meets the minimum criteria for the role. If you believe this could apply to you, please let us know when completing your application.