Technical Project Manager in London

Leidos are a global leader in the integration and application of information technology, engineering, and science to solve the customers' most demanding challenges. We deliver mission-focused solutions including cloud services, enterprise IT solutions, data centre modernization, operational technology and cyber security including end-to-end cyber integration and high-grade encryption.

Because of significant business growth in an exciting mission critical sector, we have a requirement for a security-cleared Technical PM based in the UK, working at customer sites in the Herefordshire region. This is a new opportunity to work with our expanding team.

Your role in Leidos will involve working alongside our customers to solve some of their most complex and unique problems.

WHAT WILL YOU BE DOING?

We are seeking a dynamic and experienced Technical Project Manager to join our delivery teams, supporting a range of projects, from small electronic prototypes with embedded software to complex on-prem and cloud systems projects. This role demands strong technical leadership, excellent communication skills, flexibility and a good understanding of engineering and testing practices.

KEY RESPONSIBILITIES

• Project Delivery & Governance
  • Lead the delivery of technical projects ensuring adherence to agreed scope, budget, schedule, and quality expectations.
  • Apply Leidos PMO/PM standards, documentation, and governance practices, including risk, issue, and dependency management.
  • Coordinate reviews, assurance gates, and engineering approvals in line with technical governance.
  • Maintain robust project documentation including plans, schedules, technical assumptions, deliverables, and acceptance criteria.
• Technical Oversight & Integration
  • Work closely with engineering leads, technical authorities, and SMEs to ensure designs are aligned, feasible, and compliant with system and customer constraints.
  • Support development, review, and traceability of requirements, designs, test approaches, and verification evidence.
  • Identify technical risks early, coordinating mitigations, change impacts, and escalation where necessary.
• Stakeholder Engagement (Customer & Internal)
  • Act as the primary onsite interface with the customer, maintaining strong, trusted relationships.
  • Communicate progress, blockers, and decisions clearly across customer and Leidos teams.
  • Facilitate cross functional collaboration between engineering, PMO, commercial, security, and operational teams.
• Planning, Reporting & Controls
  • Develop and maintain integrated delivery schedules, resource profiles, and milestones in collaboration with the PMO team.
  • Provide inputs to reporting packs (status, KPI updates, risks, decisions) and feed into wider programme governance.
• People Leadership & Team Coordination
  • Coordinate multidisciplinary engineers and analysts across hardware, software, cyber, and systems domains.
  • Support onboarding, technical process training, and alignment to engineering ways of working.

Essential Skills & Experience

• Proven experience as a Project Manager in Waterfall and Agile environments, preferably in the Defence sector.
• Excellent technical leadership, communication, and stakeholder management skills.
• High security discipline: understanding of classification constraints, regulatory frameworks, and secure delivery processes.
• Ability to operate flexibly in fast‑changing, ad‑hoc environments linked to shifting defence priorities.
• Strong understanding of Project Management principles and methodologies.
• Hands-on project experience with both cloud technologies and RF communications.

Desirable Qualifications & Experience

• Certification in project management (e.g., PMQ/PPQ, ChPP, MSP).
• Experience in regulated environments (e.g. defence, law enforcement).
• Exposure to DevOps and CI/CD practices.

Additional Considerations:

• Due to the nature of this position, we require you to be eligible to achieve DV clearance (which comes with a 3 month notice period). As a result, you should be a British Citizen and have resided in the UK for the last 10 years.
• Due to the nature of the work, the majority will be conducted on customer sites, with only a small amount of remote working possible.

Everything we do is built on our commitment to do the right thing for our customers, our employees, and our communities. Learn more about the values and culture that are the foundations of our business. Our work in the United Kingdom includes addressing some of the most complex problems in national security, defence, government, logistics and operations, transportation, and energy.

What we do for you:

At Leidos we are PASSIONATE about customer success, UNITED as a team and INSPIRED to make a difference. We offer meaningful and engaging careers, a collaborative culture, and support for your career goals, all while nurturing a healthy work-life balance.

We provide an employment package that attracts, develops and retains only the best in talent. Our reward scheme includes:

• Contributory Pension Scheme
• Private Medical Insurance
• 33 days Annual Leave (including public and privilege holidays)
• Access to Flexible benefits (including life assurance, health schemes, gym memberships, annual buy and sell holidays and a cycle to work scheme)
• Access to Flexi-time benefits

Commitment to Diversity:

We welcome applications from every part of the community and are committed to a truly diverse and inclusive culture. We foster a sense of belonging, welcoming all perspectives and contributions, and providing equal access to opportunities and resources for everyone. If you have a disability or need any reasonable adjustments during the application and selection stages please let us know, and we will respond in a way that best fits your needs.

Who We Are:

Leidos UK & EUROPE – we work to make the world safer, healthier, and more efficient through technology, engineering and science. Leidos is a growing company delivering innovative technology and solutions focused on safeguarding critical capabilities and transformation in frontline services, our work in the United Kingdom includes addressing some of the most complex problems in defence, healthcare, government, safety and security, and transportation.

What Makes Us Different:

• Purpose: you can use your passion and abilities at Leidos to keep the people you care about safe. We are at the forefront of machine learning, AI, cyber security and solutions. Using your skills in the technology frontline by helping to build a safer world. You can inspire change.
• Collaboration: having flexibility to do your job is one of our core benefits, enabling you to become part of our extraordinary team. We have been empowering our people to work flexibly for years. Whether you work from home, the office or on customer sites, we will give you the digital tools and the flexibility to work smarter and align your needs and ours.
• People: Leidos empowers people from every background to be themselves and gives you the tools to learn new skills by enabling growth whilst developing. We believe that extraordinary people need opportunities to grow, to be inspired and to inspire others. At Leidos, we invest in technical academies, career rotations and a career development plans that enhance your future.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail.