{"id":3006494,"url":"https://alion.io/job/leidos-software-engineer-42","title":"Software Engineer","company":{"id":7791,"name":"Leidos","domain":"leidos.com","url":"https://alion.io/company/leidos","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":78,"open_postings":241,"ghost_share":0.004,"stale_share":0.855,"repost_share":0.008,"time_to_fill_p50_days":27,"computed_at":"2026-10-22T06:10:10Z"}},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Whiteley, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":63000,"max_usd":155000,"period":"year","method":"role_country_seniority_unknown","sample_n":404},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"C++","optional":false},{"name":"Git","optional":false},{"name":"NATS","optional":false},{"name":"Scrum","optional":false},{"name":"Apache Camel","optional":true},{"name":"Apache Kafka","optional":true},{"name":"AWS","optional":true},{"name":"Confluence","optional":true},{"name":"Docker","optional":true},{"name":"Java","optional":true},{"name":"Jira","optional":true},{"name":"Linux","optional":true},{"name":"Machine Learning","optional":true},{"name":"Puppet","optional":true},{"name":"Python","optional":true}],"status":"live","first_seen_at":"2026-10-20T00:00:00Z","employer_posted_date":"2026-10-20","last_verified_at":"2026-10-22T02:56:46Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Software Engineer\nLocation: This is a Hybrid role. Whiteley, Hampshire\nClearance Required: This role will require attainment and maintenance of SC clearance\nShape the future of Air Traffic Management\nAt Leidos, the software we build helps keep millions of passengers moving safely every day. Our technology supports some of the world's most advanced Air Traffic Management (ATM) systems, helping air traffic controllers make critical decisions that keep skies safe, efficient, and connected.\nFor more than 50 years, Leidos heritage companies have been at the forefront of air traffic control innovation. Today, our technology supports approximately 75% of U.S. air traffic and around 60% of global air traffic. In the UK, we've partnered with NATS since the early 1990s and continue to play a key role in shaping the next generation of ATM solutions.\nWe're looking for a Software Engineer to join our team and help develop award-winning technology that has a real-world impact.\nWhy Join Us?\nThis is more than a software engineering role. It's an opportunity to:\nWork on complex, meaningful systems that contribute to public safety\nDevelop technology used by Air Traffic Control Officers around the world\nCollaborate with experienced engineers in a supportive, agile environment\nLearn a fascinating industry, even if you have no previous Air Traffic Management experience\nGrow your technical skills while working on challenging and innovative projects\nBe part of a business with an exciting pipeline of UK and international programmes\nWe welcome applications from people with diverse backgrounds and experiences. If you're excited about the role but don't meet every requirement, we'd still love to hear from you.\nWhat You'll Be Doing\nAs a Software Engineer, you'll be part of a collaborative agile team, contributing throughout the software development lifecycle.\nYour responsibilities may include:\nDesigning software using modern object-oriented and functional programming principles\nDeveloping high-quality software solutions in a complex technical environment\nBuilding tools and applications to solve challenging engineering problems\nWriting clean, maintainable, and testable code\nConducting unit, functional, and integration testing\nInvestigating and resolving technical issues identified during testing and development\nCollaborating with engineers, testers, and stakeholders to deliver sprint objectives\nContributing to technical documentation and knowledge sharing\nApplying software engineering standards, best practices, and continuous improvement principles\nWhat We're Looking For\nWe're interested in motivated engineers who enjoy solving problems, learning new technologies, and working as part of a team.\nEssential Skills & Experience\nExperience developing software using C and/or C++\nExperience working within an Agile development environment (Scrum, SAFe, or similar)\nFamiliarity with modern software development practices and tools\nKnowledge or practical use of AI-assisted software development\nGood communication and collaboration skills\nAbility to work effectively within a multidisciplinary engineering team\nExperience using version control systems such as Git or Subversion\nA structured approach to software development and quality\nDesirable Experience\nAny of the following would be beneficial, but are not essential:\nJava development experience\nLinux development environments\nScripting languages such as Python\nContainer technologies and Infrastructure as Code (e.g. Docker, Puppet)\nIntegration technologies such as Apache Kafka or Apache Camel\nAtlassian tools including Jira and Confluence\nCloud platforms such as AWS\nFull software lifecycle experience, from design through to deployment\nReal-time, safety-critical, or highly regulated systems\nSystems modelling and design tools\nUnderstanding of systems engineering, integration, and testing activities\nWhat Makes You Successful\nYou'll thrive in this role if you:\nEnjoy tackling complex technical challenges\nAre curious and eager to learn\nTake ownership of your work\nValue collaboration and teamwork\nCommunicate clearly with both technical and non-technical colleagues\nCare about delivering high-quality software\nWhat we do for you:\nAt 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.\nWe provide an employment package that attracts, develops and retains only the best in talent. Our reward scheme includes:\nContributory Pension Scheme\nPrivate Medical Insurance\n33 days Annual Leave (including public and privilege holidays)\nAccess to Flexible benefits (including life assurance, health schemes, gym memberships, annual buy and sell holidays and a cycle to work scheme and much more!)\nFlexi-Time Working\nCommitment to Diversity:\nWe 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.\nWho We Are:\nLeidos UK & Europe - we work to make the world safer, healthier, and more efficient through technology, engineering and science.\nLeidos 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.\nWhat Makes Us Different:\nPurpose: 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.\nCollaboration: 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.\nPeople: 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.\nIf 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.\nOriginal Posting:\nFor 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.\nPay Range:\n£47,600.00-£61,000.00The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. 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