Infrastructure Support Analyst

We’re looking for DV Cleared Infrastructure Engineers to join an exciting new programme supporting highly secure, mission-critical systems. If you’re passionate about infrastructure, enjoy solving complex technical challenges, and want to play a key role in keeping essential services running, this could be the opportunity you’ve been waiting for.

You’ll join a close-knit team operating at the heart of a secure environment, helping to maintain, support, and continuously improve critical infrastructure. This is a hands-on role where you’ll investigate technical issues, drive operational excellence, and contribute to services that make a real impact.

Working onsite in Portsmouth, you’ll be surrounded by talented colleagues who genuinely collaborate, share knowledge, and take pride in delivering high-quality outcomes within a fast-paced and rewarding environment.

As part of a 24/7 support team, you’ll help ensure the stability, availability, and performance of business-critical applications and infrastructure while contributing to service improvements, project work, testing activities, and operational development., * Supporting and managing core infrastructure including servers, storage, networking, and operating systems.

• Managing incidents, problems, requests, and changes within an ITIL-aligned environment.
• Investigating and resolving technical issues, performing root cause analysis, and driving service improvements.
• Monitoring live services to ensure performance, availability, and resilience.
• Supporting project delivery, testing, implementation, and release activities.
• Creating and maintaining technical documentation and operational procedures.
• Contributing to the continuous improvement of systems, services, and processes.

• Experience in infrastructure support, systems administration, or technical operations.
• Strong Wintel experience.
• Excellent troubleshooting and problem-solving skills.
• Knowledge of ITIL-based service management practices.
• Experience working within structured operational environments.
• The ability to work independently and collaboratively within a technical team.
• Current DV Clearance.

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.