Jobs Companies Leidos Software Engineer

About this Software Engineer role at Leidos

Leidos · Onsite · Fareham, Hampshire, UK

Software Engineer

Location: This is a Hybrid working role. Whiteley, Hampshire

Clearance Required: This role will require attainment and maintenance of SC clearance.

At Leidos, we deliver innovative solutions through the expertise, dedication and diversity of our people. We work alongside customers across Defence, Government, Safety, Security and Transportation. Everything we do is guided by our commitment to doing the right thing for our customers and our colleagues. Our Mission, Vision and Values shape the way we work and the impact we deliver.

We are looking for a Software Engineer to join our Air Traffic Management programme. This is an excellent opportunity to develop your software engineering career while working on safety-critical, real-time Air Traffic Control systems.

You will receive support and mentoring from experienced engineers as you develop your technical and professional skills within a safety-critical engineering environment. As part of a multi-disciplinary engineering team, you will gain experience across the full software development lifecycle, from requirements analysis and design through to implementation, testing, deployment and operational support.

Knowledge and Experience

We are interested in candidates who can demonstrate experience of, or an interest in, some of the following areas:

  • Unix/Linux operating systems

  • Programming languages such as C, C++, Python, PL/SQL, HTML or JavaScript

  • Scripting languages such as Python, Bourne Shell or Perl

  • Virtualisation and cloud computing concepts

  • Networking and communications protocols, particularly TCP/IP

  • Software engineering lifecycle activities, including requirements, design, development, testing and maintenance

Typical Responsibilities

  • Investigate issues across software applications and supporting systems

  • Contribute to the development, implementation and maintenance of software solutions.

  • Contribute to software architecture and design activities

  • Contribute to the development and implementation of software solutions

  • Support change, configuration and release management activities

  • Identify and help manage technical risks and opportunities

  • Work closely with Systems Engineering, Formal Test, project management and technical leaders

  • Develop software test plans and support test execution

  • Produce technical documentation, reports and supporting artefacts

  • Follow established engineering processes, standards and best practices

This role is based in Whiteley, Hampshire, with opportunities for hybrid working. Appointment is subject to the successful candidate holding, or being eligible to obtain, UK Security Check (SC) clearance.

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 and much more!)
• Flexi-Time Working

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. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

£30,400.00-£35,800.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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How this Software Engineer salary compares

This role pays $44,788/yrbelow the typical range for Software Engineer roles.

$100,729 median $173,500 $257,825

Typical range $135,000–$215,000/yr, from 10,903 comparable Software Engineer listings on JobsRadar (pay annualized to USD). See Software Engineer salary insights →

About Leidos

Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com . Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are

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