The Transportation Solution division within the Leidos Health & Civil sector is seeking a Software Engineer who will be a member of a dynamic team working United Kingdom (UK) NATS Flight Data Processing (FDP) Evolution, providing enhanced FDP capabilities for the UK NATS organization to replace the current operational system. 

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Location: This position can be in any of our three locations; Gaithersburg, MD, Eagan, MN or Egg Harbor, NJ. This position will be required to work 3 days onsite and 2 days from home office.

​Primary Responsibilities: ​

• ​​Responsible for software development activities both individually and as a member of a team including writing and maintaining source code, responsible for entire projects with the technical area 
• ​Actively participate in daily stand-ups, Release Planning, and other related team activities 
• ​Analyze and study complex system requirements, use design software tools, provide support using formal specifications, data flow diagrams, and other accepted design techniques and use sound software engineering principles to ensure that developed code is modifiable, efficient, reliable, understandable, fault tolerant, and reusable 
• ​Provide software process management and control throughout the coding portion of the software development process and will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers.  
• ​Engineer, author, tune and document automation scripts in a development environment and deploy to the test/production bench 

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​ ​Required Qualifications: 

• ​Bachelor’s degree in computer science or a related field with 4+ years of relevant experience 
• Ability to obtain and maintain a public trust clearance

• ​Experience and familiarity with 
  • Object Oriented Programming 
  • ​C, C++
  • ​Real-Time Programming on High Availability Systems 
  • ​Multi-threaded programming 
  • ​Low Level Operating Systems (OS) Customization (RedHat), Hypervisors, and VMs 
  • ​CAS / Hardware Integration 
  • ​Low level communication software (TCP-IP, UDP, SCTP) 
  • ​System Maintenance Concepts   
• ​Experience with software source control and configuration management tools 
• ​Strong understanding of sound software development principles and practices 
• ​Ability to plan and prioritize personal tasking and be able to communicate effectively verbally and in writing 
• ​Independent thinker, capable of performing high quality work, both independently and with a team in a fast-moving environment 

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​Preferred Qualifications: 

• ​Ada
• Experience using AI/ML in the software development process 

• ​Test Automation 

We’re not looking for perfectly polished resumes or perfect fits. We’re looking for people who break limits, ask hard questions, and don’t wait to be told what’s next. At Leidos, we’re not following the roadmap — we’re redrawing it. 

Original Posting:

November 10, 2025

Pay Range:

Pay Range $85,150.00 - $153,925.00

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.