National Security Opportunities - Multiple Disciplines

Join Amentum's National Security business and help deliver some of the UK's most critical and complex programmes. We are seeking eDV-cleared professionals across project delivery, engineering, architecture, and business transformation disciplines to support missions that protect and enhance UK sovereign capability.

You'll work on projects of genuine national importance, tackling complex digital, engineering, and transformation challenges while building your experience through varied and impactful assignments. As part of a collaborative team that values trust, integrity, and delivery excellence, you'll have the opportunity to develop a rewarding career within one of the UK's most critical and dynamic sectors, helping to strengthen the UK's future security and resilience.

About the Opportunity:

We have a range of opportunities for professionals at different stages of their careers who are looking to broaden their skills and experience within Amentum's UK National Security portfolio. Our teams support a diverse range of digital, engineering, and business transformation programmes across government, contributing throughout the full project lifecycle.

These roles would suit individuals who enjoy working collaboratively to deliver outcomes, are comfortable operating within complex government environments, and are motivated by the opportunity to make a meaningful contribution to UK sovereign capability. Successful candidates will bring a proactive approach, strong stakeholder engagement skills, and a commitment to delivering high-quality results within secure and highly regulated environments.

You'll be working on complex, multi-stakeholder initiatives where clarity, discipline, and sound judgement are essential. These are hands-on delivery roles, requiring adaptability and a commitment to delivering outcomes in highly secure environments.

We are interested in speaking with candidates who have experience in one or more of the following disciplines:

Project & Delivery

• Project Management

• Programme Management

• PMO

• Project Delivery

Engineering & Architecture

• Systems Engineering

• Enterprise Architecture

Business Transformation

• Business Analysis

• Business Change & Communications

Successful candidates will work within multi-disciplinary teams, supporting the delivery of complex projects in highly secure environments and collaborating with a diverse range of stakeholders.

Whether you are looking to build upon your current experience or take the next step in your National Security career, we would welcome your application.

Here's What You'll Need:

• Experience in one or more of the disciplines listed above.

• Strong stakeholder engagement and communication skills.

• A collaborative and delivery-focused approach.

• The ability to work effectively in complex and fast-paced environments.

• Strong organisational, analytical, and problem-solving capabilities.

• A commitment to integrity, accountability, and professional excellence.

Experience within Defence, Intelligence, Government, or National Security environments would be advantageous, but is not essential.

Security Clearance Requirements:

Due to the highly sensitive nature of the work, all applicants must hold active Enhanced Developed Vetting (eDV) clearance at the time of application.

Unfortunately, candidates who do not currently hold active eDV clearance will not be eligible for consideration.

Working Arrangements:

• Roles are available in London, South West England, and Manchester.

• Candidates should expect to work on customer sites for a minimum of four days per week.

• Travel may be required depending on programme needs.

Why Join Amentum?

At Amentum, you will have the opportunity to:

• Work on programmes of genuine national importance

• Gain exposure to complex digital, engineering, and transformation challenges

• Enhance your professional capabilities through varied and impactful work

• Join a collaborative team that values trust, integrity, and delivery excellence

• Build a rewarding career in one of the UK's most important sectors.

If you are an appropriately security cleared professional seeking your next challenge and want to make a meaningful contribution to national security, we would love to hear from you.”

Our Culture:

We partner with VERCIDA to help us attract and retain diverse talent. For greater online accessibility, please visit  Promoting Equality & Diversity in Jobs and Career - VERCIDA  to view and access our roles. As a Disability Confident employer, we will interview all disabled applicants who meet the minimum criteria for a vacancy. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role. 

Your application experience is important to us and we’re keen to adapt to make every interaction even better. We welcome feedback on our recruitment process and if you need more from us before deciding to join us then  please, contact us.