Sr. Software Developer

Leidos is seeking a Sr. Software Development Engineer who will be a member of a dynamic team working on the Federal Aviation Administration’s En-Route Automation Modernization ERAM) system, which is the heart of the Next Generation Air Traffic Control System. ERAM is vital to air navigation, providing the backbone foundational platform for all ATC Systems. Developers on ERAM support new system capabilities/enhancements requested by the FAA and system upgrades based on Tech Refresh initiatives. ERAM also enables increased air traffic flow as the need for additional capabilities evolve. Leidos is looking for developers for the ERAM middleware layer which we refer to as “FlightDeck”.Flight Deck (FDK) functions, capabilities include: • Real-Time Programming on High Availability Systems• Multi-threaded programming• Low Level Operating Systems (Linux) - Customization, RPMs, Firmware, Unix Command Line• SW/HW Integration, NetApp, Hardware, Ansible Playbooks, automation (scripting languages)• Low level communication software (TCP-IP, UDP, SCTP)• Support of Common Services utilized by ERAM Application teams• System Maintenance Concepts Primary Responsibilities• Modernizing the AT control system by improving the availability and performance of the ERAM system.•Supporting ERAM as it continues to migrate upgrade hardware, software, OS levels, firmware, security, and CAS. Detailed knowledge of Linux OS and OS concepts desirable. • Optimizing the experience for the flying public, Air Traffic Control, and the airline industry by improving the collaboration and decision-making capabilities of flight controllers• Develop Maintain FAA air traffic control software (primarily Ada95/C++) on a UNIX/Linux platform. Leverage (KSH/PERL/PYTHON) for automation capabilities. • Performing software development as needed for the ERAM system• Coordinate Solutions with Systems Engineering• Coordinate the development of new capabilities and upgrade to common services provided the applications via the FlightDeck API.• Leveraging AI/ML concepts to improve SW processes and capabilitiesBasic QualificationsComputer Science or Computer Engineering DegreeDemonstrated Software Development Skills/CapabilitiesExcellent Verbal and Communication SkillsFlexibility in working across multiple SW languagesDemonstrated ability to debug and solve problemsA Strong Desire to Learn & Improve your Technical Capabilities4-8 Years work experience in a Computer Science related position (outside academic experience)Preferred QualificationsWork Experience in a Technical organization performing Software Engineering Tasks.Previous Software Experience working Air Traffic Control ProgramsLeadership Skills & ExperienceIf 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:July 13, 2026For 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:Pay Range $87,100.00 - $157,450.00The 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.SummaryLocation: Gaithersburg, MDType: Full time