Test Engineer

We are looking for an experienced and proactive Test Engineer to support the delivery of a large-scale systems integration programme.

This role is ideal for someone who enjoys working autonomously, takes ownership of their work, and is confident making sound decisions within their area of expertise. You’ll be joining a small, highly collaborative team where every contribution makes a real impact. As such, you’ll need to be comfortable working independently, managing your own priorities, and taking a pragmatic approach to solving complex challenges.

You’ll work closely with the Chief Engineer, international delivery teams, suppliers, customer stakeholders, and subject matter experts to design, create, execute, and report on testing activities across a diverse technical landscape.

We welcome applicants from all backgrounds and experiences. If you meet most of the requirements and are excited about the role, we’d encourage you to apply.

What You’ll Be Doing

• Creating, reviewing, and maintaining Test Plans, Test Designs, and Test Reports
• Designing and executing test cases based on requirements, change requests, and solution designs
• Performing functional, integration, and non-functional testing across complex systems and interfaces
• Supporting the development and maintenance of automated regression test suites
• Recording, tracking, and reporting test results, defects, risks, and issues
• Investigating defects and working collaboratively with suppliers and technical teams to identify root causes and solutions
• Engaging with customer representatives and stakeholders to ensure testing meets programme objectives
• Identifying opportunities to improve testing processes, efficiency, and quality across the programme

• Experience working as a Test Engineer within complex software, infrastructure, or systems integration environments
• Strong understanding of the software testing lifecycle and testing methodologies
• Experience in Functional, Non-Functional, Integration, and System Testing
• Demonstrable systems integration experience, including integrating third-party systems and components
• Experience testing solutions and interfaces hosted within AWS cloud environments
• Excellent communication skills, with the ability to engage confidently with technical specialists, programme leadership, suppliers, and customers
• Experience managing testing activities in fast-paced, delivery-focused environments
• Ability to work independently and take ownership of testing deliverables with minimal supervision
• A pragmatic and solutions-focused approach to problem solving
• ISTQB or ISEB Foundation Certificate in Software Testing (or equivalent experience)

Highly Desirable

• Experience writing Test Strategies and Test Plans
• Experience defining test approaches for complex programmes
• Experience building or maintaining automated test frameworks and regression suites
• Exposure to large-scale systems integration or defence-related programmes
• Experience working within regulated or secure environments

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
• Flexi Working, 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 available at www.leidos.com/careers/pay-benefits., + Health Insurance
• Health Reimbursement Account
• Dental Insurance
• Vision Insurance
• Life Insurance
• Short-Term Disability
• Long-Term Disability
• FSA
• HSA
• Pet Insurance
• Mental Health Benefits
• Parental Benefits
• Birth Parent or Maternity Leave
• Fertility Benefits
• Adoption Assistance Program
• Family Support Resources
• Work Flexibility
• Flexible Work Hours
• Remote Work Opportunities
• Hybrid Work Opportunities
• Office Life and Perks
• Company Outings
• On-Site Cafeteria
• Holiday Events
• Vacation and Time Off
• Paid Vacation
• Paid Holidays
• Personal/Sick Days
• Volunteer Time Off
• Financial and Retirement
• 401(K) With Company Matching
• Stock Purchase Program
• Performance Bonus
• Relocation Assistance
• Financial Counseling
• Profit Sharing
• Professional Development
• Promote From Within
• Mentor Program
• Access to Online Courses
• Lunch and Learns
• Internship Program
• Leadership Training Program
• Diversity and Inclusion

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.

Working together as Team Leidos we are helping to transform the UK’s defence supply chain by providing an integration of a complex mixture of services, at low risk, using a modern suite of systems that will deliver one version of the truth. For the first time, the MOD will see the whole picture, as it is happening.

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 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., 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 $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.