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Salary
≈ $45k – $109k per year (Estimated)
Location
In office (Cheltenham)
Employment
Full-Time

Confirmed on the employer's own hiring board on Sep 30, 2026. First seen by Alion on Sep 24, 2026. SiXworks scores B on the Alion truth index.

Overview
Company
Impact
Profile match
We are a leading provider of digital solutions in high security environments, specialising in experimentation and fail-safe-fast development.

Work on Technology That Protects What Matters

At SiXworks, we build secure digital solutions that support Defence and National Security missions. Our teams work on complex problems where reliability, security, and speed of innovation matter.

We’re looking for a Project Manager who enjoys solving difficult technical challenges and wants their work to have real operational impact.

What You’ll Do

As a Project Manager,you’ll play a crucial role in managing agile projects using an iterative approach to delivery.

You will collaborate with cross-functional teams, vendors, and business resources to ensure successful project delivery.

Your work may include:

  • Project management- The ability to manage all aspects of project delivery, including forecasting, change management and risk management.
  • Ability to operate in highly complex delivery and commercial environments. Managing delivery fluidity in strict commercial models.
  • Oversee deliverables from cross-functional teams, vendors, and business resources.
  • Foster open communication across teams to identify cross-team development dependencies and risks early on.
  • Experience of working in a project delivery environment with a sound understanding of structured and agile methodologies and applying them in separate situations (e.g. APMP, MSP, Jira, Tempo, Scrum).
  • Problem solving- The ability to identify problems collaboratively and develop actions/solutions, communicating both to key stakeholders and presenting information through reports, dashboards and slides as appropriate.
  • Commercial awareness- Providing contract management, supplier management and cross organisations dependencies.

Occasional visits to Herefordshire required

What We’re Looking For

We value people who take ownership, think critically, and enjoy working as part of a collaborative team tackling complex challenges. You don’t need to tick every box, but we’re particularly interested in people with skills/experience in:

  • Bachelor’s or Master’s degree in Business, Engineering, Project Management, or related fields preferred or equivalent experience.
  • Relevant certifications (e.g., APMP, Prince2, Agile Certification)
  • Strong project management, risk management, and procurement management skills.
  • Familiarity with the Scrum, Shape Up and Kanban profiles and methodologies.
  • Market experience working within the UK Defence & Security sector is advantageous.

Just as important are curiosity, strong problem solving ability, and the motivation to continuously improve how technology is designed and delivered.

About SiXworks

SiXworks is a specialist digital innovation partner delivering secure, mission-critical technology to Defence and National Security organisations. We focus on digital experimentation, secure-by-design architecture, cloud technologies, and rapid application development to help our customers move faster and stay ahead of evolving challenges.

Our team combines expertise from across technology, business, and operational backgrounds including the armed forces creating a collaborative environment where practical thinking and innovation thrive.

Why Join Us

Our culture is guided by six principles: Agility, Security, Innovation, Quality, Collaboration and Inclusivityour North Star for how we work. SiXworks is a leading provider of secure digital solutions, specialising in digital experimentation and focused on fail-safe-fast cutting-edge technology solutions deployed in highly secure environments.

As an end-to-end digital innovation and delivery partner, we turn complex challenges into mission-critical digital advantages. This is a thrilling time for us, with ambitious plans for growth. We are looking for brilliant, experienced, driven and self-motivated people to join the team on our journey.

We offer competitive salaries and a package that supports your wellbeing and development, including 25 days annual leave + bank holidays, free Private Medical cover and Life Assurance, Generous pension (10% employer, 5% employee contribution), Bonus and Professional development and training support. In addition to secure parking, gym, café & restaurant on site and lots of open break out spaces.

A word on UK Security Clearance

Due to the secure nature of the position and working environment, you must have or be eligible to obtain Security Clearance. More details relating to UK Security Clearance can be found here:

United Kingdom Security Vetting: clearance levels - GOV.UK (www.gov.uk)

Interested?

Please apply!

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