Senior Project Manager in London

Are you a Project Manager looking for a new challenge? We are involved in a significant greenfield programme, building a solution that integrates infrastructure and applications within highly secure, mission‑critical environments and we are looking for an experienced Senior Project Manager to lead the delivery of complex IT and change initiatives within the Defence sector. This role would suit someone with a strong track record of managing end‑to‑end delivery in secure, highly regulated environments, and who brings a clear understanding of governance, stakeholder engagement, and delivery risk. The successful candidate will work across technical and business teams to deliver secure, high‑quality outcomes in a collaborative and inclusive way. The role is full‑time on site in Hertfordshire and you will need to be holding an active MoD DV clearance.

What they will be doing:

• Lead the end‑to‑end delivery of IT projects and programmes within the Defence sector.
• Manage project scope, timelines, budgets, risks, issues, dependencies, and governance across the full delivery lifecycle.
• Work closely with technical teams, architects, suppliers, and business stakeholders to support successful and secure delivery.
• Prepare and present clear project reporting, delivery plans, RAID logs, and status updates for senior stakeholders and governance forums.
• Ensure delivery aligns with relevant security, compliance, and operational requirements.
• Build strong working relationships and enable effective collaboration, decision‑making, and shared accountability across teams.

What they will bring:

• Proven experience as a Senior Project Manager delivering IT and digital change within the Defence sector.
• Strong understanding of project delivery frameworks, governance, assurance, and control within regulated or secure environments.
• Experience managing complex technical deliveries, such as infrastructure, applications, systems integration, or service transition.
• Strong communication and stakeholder engagement skills, with the ability to work effectively with people at all levels.
• Sound commercial and delivery awareness, including planning, budgeting, supplier management, and risk mitigation.
• Collaborative approach, with the ability to support diverse teams and create positive working relationships.

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: Hertfordshire - full time on site

Security Clearance Level: Active MoD DV required

Salary: Up to £90k

Benefits: Bonus, £6,600 car allowance, 3% cash fund, 25 days annual leave with the choice to buy extra days, Medical Insurance, life assurance, and 6% pension.

If you’re interested and need to work flexibly, we encourage you to apply and talk to us about what might be possible.

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.