Job Description: Your impact Are you interested in developing software to test some of the most cutting-edge defence and aerospace projects in the UK? If you like the sound of developing software for projects such as the Eurofighter Typhoon jet, then Leonardo would like to hear from you. We are looking for an experienced Principal Software Engineer to join our well-established Test Engineering community at our Edinburgh site. You will help us continue our industry leading contribution to projects in our Radar teams. For more information on Leonardo's world first radar testing breakthrough have a look here: https://uk.leonardo.com/en/news-and-stories-detail/-/detail/world-first-radar-test-breakthrough If you would like to read about our contribution to the Eurofighter - have a look here: https://uk.leonardo.com/en/innovation/typhoon As a Principal Software Engineer you will: Create and deliver software solutions within a defined work package area, ensuring that the package meets all stakeholder requirements Establish and mature stakeholder needs, associating/attributing priority, interest, influence and trading-off needs to determine optimum capability to solve stakeholders’ problems Create high quality and robust code; for fully documenting and recording your work products; keeping them under configuration management and providing plans and reports on progress to your line manager Work closely with internal and external stakeholders to ensure architecture alignment with other elements of the programme. Ensure the application of appropriate tools / techniques for test equipment design by the team, providing advice in own area of expertise Resolve emerging issues by proposing and driving through solutions, escalating more complex risks and supporting definition of opportunities and risk mitigation options Foster relationships and networks within and outside the line of business, actively seeking out opportunities and promoting a culture for adoption of best practice Develop, coach, mentor, teach, and upskill other engineers in the wider application of engineering What you’ll bring We really need you to have experience of designing solutions using C and NI LabWindows/CVI and we also need you to have familiarity with TestStand. If you could accompany that experience with any of the following, you will really stand out: Developing Low Level Drivers Developing software for test system environments Developing software within a development process framework Experience of Agile development and Atlassian toolset Familiarity with configuration management tools, defect tracking and peer review Security Clearance This role is subject to pre-employment screening in line with the UK Government’s Baseline Personnel Security Standard (BPSS). An additional range of Personnel Security Controls referred to as National Security Vetting (NSV) may apply, this could include meeting the eligibility requirements for The Security Check (SC) or Developed Vetting (DV). For more information and guidance please visit: https://careers.uk.leonardo.com/gb/en/security-and-vetting Why join us At Leonardo, our people are at the heart of everything we do. We offer a comprehensive, company-funded benefits package that supports your wellbeing, career development, and work–life balance. Whether you're looking to grow professionally, care for your health, or plan for the future, we’re here to help you thrive. Time to Recharge: Enjoy generous leave with the opportunity to accrue up to 12 additional flexi-days each year. Secure your Future: Benefit from our award-winning pension scheme with up to 15% employer contribution. Your Wellbeing Matters: Free access to mental health support, financial advice, and employee-led networks championing inclusion and diversity (Enable, Pride, Equalise, Armed Forces, Carers, Wellbeing and Ethnicity). Rewarding Performance : All employees at management level and below are eligible for our bonus scheme. Never Stop Learning : Free access to 4,000 online courses via Coursera and LinkedIn Learning. Refer a friend: Receive a financial reward through our referral programme. Tailored Perks : Spend up to £500 annually on flexible benefits including private healthcare, dental, family cover, tech & lifestyle discounts, gym memberships and more. Flexible working: Flexible hours with hybrid working options. For part time opportunities, please talk to us about what might be possible for this role. For a full list of our company benefits please visit: https://careers.uk.leonardo.com/gb/en/company-benefits We are committed to building an inclusive, accessible, and welcoming workplace. We believe that a diverse workforce sparks creativity, drives innovation, and leads to better outcomes for our people, communities and our customers. If you have any accessibility requirements to support you during the recruitment process, just let us know. Be part of something bigger - apply now! Primary Location: GB - Edinburgh Contract Type: Employee-Permanent Hybrid Working: Hybrid