Infrastructure Support Analyst

Sopra Steria; Portsmouth; On-site; GBP 45,000 - 65,000; Full time

Benefits offered by this job

25 days annual leave

Life assurance

Pension

Job summary

Sopra Steria is recruiting an DV Cleared Infrastructure Engineer to join a 24/7, on‑site support team in Portsmouth. The role focuses on maintaining and improving mission‑critical infrastructure, resolving incidents, and enabling reliable services for secure systems.

Training and structured development are part of the programme. The ideal candidate has strong Wintel and ITIL experience, a proactive problem‑solver mindset, and current DV clearance.

Qualifications

• Experience in infrastructure support and operations.
• Strong Wintel experience and fault isolation abilities.
• Good troubleshooting and problem‑solving skills.
• Knowledge of ITIL‑based service management practices.
• Ability to work independently and within a technical team.
• Current DV Clearance is required.

Responsibilities

• Support and manage core infrastructure including servers, storage, networking and operating systems.
• Handle incidents, problems, requests, and changes in an ITIL‑aligned environment.
• Investigate issues, perform root cause analysis, and drive service improvements.
• Monitor live services for performance, availability and resilience.
• Support project delivery, testing and release activities.
• Create and maintain technical documentation and procedures.
• Contribute to continuous improvement of systems and processes.

Skills

Infrastructure support

Wintel

Troubleshooting

ITIL-based

Teamwork

DV Clearance

Job description

DV Cleared Infrastructure Engineer.

Ready to put your infrastructure skills to work where they really matter?

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.

Training & Location

For your first six months, you’ll complete a structured training programme based in Hemel Hempstead, attending the office 1‑2 days per week and working remotely for the remainder. Once training is complete, you’ll transition permanently to our Portsmouth site, where the role is fully onsite.

What you’ll be doing:

• 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.

What you’ll bring:

• 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.

It would be great if you had:

• Experience supporting infrastructure through automation, scripting, or DevOps practices.
• Previous experience in a 24/7 operational support environment.
• Strong infrastructure management experience.
• Exposure to: WAN/LAN Networking Servers & Storage Experience supporting testing, service validation, or release activities. Technical documentation and knowledge‑sharing experience.

Employment Type:

Full‑time, Permanent

Location:

Portsmouth - full time onsite part of a 24/7 shift‑based support team

Security Clearance Level:

DV Cleared

Salary

£45,000 to £65,000

Benefits

25 days annual leave with the option to buy additional days, life assurance, pension

This is a rare opportunity to work on a high‑profile, secure programme where your expertise directly contributes to the stability and performance of critical services. You'll gain exposure to complex technologies, work alongside experienced professionals, and be part of an environment where teamwork, learning, and technical excellence are valued every day.

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.