
Leidos: Fortune 500 Innovation Leader In National Security and Health
Leidos stands as a Fortune 500 innovation powerhouse addressing the world's most pressing challenges in national security and health sectors. Founded in 1969 and headquartered in Reston, Virginia, this global defense and aerospace manufacturing leader employs over 48,000 professionals who collaborate to develop cutting-edge technology solutions for heavily regulated industries, generating approximately $16.7 billion in annual revenue.
Industry Leadership and Mission Critical Innovation
As a trusted partner to government and commercial customers, Leidos specializes in creating smarter, more efficient digital and mission innovations that directly impact national security and public safety. The company's expertise spans aerospace and defense manufacturing, with professionals working on projects that contribute to safer, more efficient systems and critical infrastructure nationwide.
Award Winning Workplace Culture
- Named to Forbes' Best Employers for Diversity and America's Best Employers for Women
- Recognized by Military Times as Best for Vets Employers
- Listed among Ethisphere Institute's World's Most Ethical Companies
- Flexible work environment promoting true work-life balance
- Employee Resource Groups like CORE ensuring every team member feels valued regardless of location
Career Growth and Professional Development
Leidos emphasizes meaningful work that is challenging, impactful, and aligned with customer missions. Employees enjoy substantial career enrichment opportunities through mobility and development programs, working alongside supportive supervisors and talented colleagues. The company's culture of innovation encourages professionals who break limits, ask hard questions, and don't wait to be told what's next-redrawing the roadmap rather than following it.
Comprehensive Compensation and Benefits
With operations spanning Virginia, Maryland, Texas, Kansas, and beyond, Leidos offers competitive salaries and comprehensive benefits packages including health and wellness programs, income protection, paid leave, and retirement planning. The company's commitment to employee success extends beyond compensation, providing flexible work arrangements and community-building initiatives that support both professional achievement and personal well-being.
Mission
Through our culture of innovation, we develop deep customer trust and create enduring solutions that improve our world while serving government and commercial customers with smarter, more efficient digital and mission innovations.
Frequently Asked Questions
Jobs for Leidos in United States
4,000+ results
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Leidos$107.9K/yr - $195K/yr20879 Gaithersburg, MD
Leidos$82.6K/yr - $149.2K/yr95821 Sacramento, CA
Leidos$82.6K/yr - $149.2K/yr17320 Liberty Township, PA
Leidos$92.3K/yr - $166.8K/yr22079 Lorton, VA
Leidos$116.4K/yr - $210.3K/yr35806 Huntsville, AL
Leidos$107.9K/yr - $195K/yr20889 Bethesda, MD
Leidos$107.9K/yr - $195K/yr20850 Rockville, MD
Leidos$107.9K/yr - $195K/yr20001 Washington, DC
Leidos$107.9K/yr - $195K/yr20912 Takoma Park, MD
Leidos$107.9K/yr - $195K/yr20906 Silver Spring, MD
Leidos$107.9K/yr - $195K/yr20783 Hyattsville, MD
Leidos$107.9K/yr - $195K/yr20812 Glen Echo, MD
Leidos$107.9K/yr - $195K/yr20883 Gaithersburg, MD
Leidos$107.9K/yr - $195K/yr22207 Arlington, VA
Leidos$107.9K/yr - $195K/yr20825 Chevy Chase, MD
Leidos$82.6K/yr - $149.2K/yr22314 Alexandria, VA

Senior Software Developer
Description
Leidos is seeking a Software Engineer who will be a member of a dynamic team working on the development/maintenance of software that improves aircraft runway and terminal congestion. Nationwide congestion is increasing, and the need for efficient aircraft traffic planning is critical. The Federal Aviation Administration (FAA) Terminal Flight Data Manager (TFDM) is the surface management solution that will provide NextGen Air Traffic Control capabilities to improve air traffic operations in the National Airspace System (NAS). The Terminal Flight Data Management (TFDM) program is a Federal Aviation Administration's (FAA) NextGen program based on airport surface management that provides efficiency for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system.
TFDM Functions Include
- Surface Collaborative Decision making (SCDM), departure scheduler and other airport decision tools
- Electronic Flight Data (EFD)
- Enhanced Air Traffic Control Tower (ATCT) Traffic Flow Management System (TFMS)
- Replacement or integration of multiple systems in the National Airspace System (NAS).
- TFDM will share data among controllers, aircraft operators, and airports so they can better stage arrivals and departures and manage traffic flow within terminal airspace for greater efficiency.
- Stakeholders will have a shared awareness of flights on the ground and in the air, the ability to exchange data
electronically, with the goal of a continuous real-time picture of traffic volume and airport resources, making flights
more efficient from gate to gate.
Responsibilities
- Working both as a member of a team and independently the successful candidate will be:
- Maintaining the FAA air traffic control display software within the object-oriented environment (primarily C++/Java) on a UNIX/Linux platform.
- Performing software development as needed for the TFDM system
- Providing support needed for system engineering
- Developing the design for the user interface framework including client and server-side components
- Working in an Agile Scrum environment
- Applicants selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information.
- Work independently, providing suggestions to the product architect/SW lead
- Mentor other junior members of the team
- Participate in design discussions and provide suggestions
- Work on complex tasks
Qualifications
- Experience in object-oriented design and development
- Experience in following a documented Software Development Process
- Experience using version control tools such as Git, Subversion or CVS
- Experience in use of the UNIX and Linux operating systems
- Experience in Ansible, shell script, Python
- Development experience in other computer languages (Java, Perl, etc.)
- Familiarization with the Atlassian Tool Suite and JIRA
- FAA air traffic domain knowledge
Qualifications - External
EDUCATION & EXPERIENCE: Typically requires BS degree or equivalent experience and 4-6 years prior relevant experience.
Desired Skills
- Python experience
- Linux experience
- Shell scripting experience
- Ansible experience
- OS/hardware/firmware/network switch level infrastructure experience
- Development experience in other computer languages (Java, Perl, etc.)
- Familiarization with the Atlassian Tool Suite and JIRA
- Experience in Ansible, shell script, Python
FAA domain knowledge is a plus.
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.
Original Posting: December 16, 2025
For 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 $107,900.00 - $195,050.00
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.
About Leidos
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.
Pay and Benefits
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.
Securing Your Data
Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected].
If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.
Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.
Leidos to acquire power design firm ENTRUST, bolstering its energy infrastructure portfolio
Acquisition expands Leidos' access to growing, resilient utility budgets Adds complementary capabilities and customers, bringing Leidos into the utility gas and electric generation infrastructure markets Projected to be immediately accretive to revenue growth and EBITDA margin Leidos to host conference call on Monday, Jan. 26 at 8:00 a.m. ET RESTON, Va., Jan. 26, 2026 /PRNewswire/ -- Leidos (NYSE: LDOS) has signed a definitive agreement to acquire ENTRUST Solutions Group from Kohlberg for...
Leidos and CargoSeer collaborate to optimize customs checkpoint inspections
RESTON, Va., Dec. 8, 2025 /PRNewswire/ -- Leidos (NYSE:LDOS) and CargoSeer, an artificial intelligence (AI) software company, have joined forces to enhance non-intrusive inspection (NII) and security solutions that help customs and border protection agencies better assess and manage transported goods crossing international borders. This collaboration is another example of Leidos' commitment to advancing border security solutions. Under the agreement, CargoSeer's advanced trade-analysis...
Leidos to continue as program administrator for Hawai'i Energy
RESTON, Va., Dec. 4, 2025 /PRNewswire/ -- Leidos (NYSE: LDOS) is continuing to partner with Hawai'i's Public Utilities Commission to help residents and businesses lower energy costs, cut carbon emissions, and improve the state's energy resiliency toward a sustainable future. Under a new three-year, $127 million contract, Leidos will continue to administer the Hawai'i Energy program and the state's Electric Vehicle (EV) Charging Station Rebate program, while also overseeing market solutions,...
Leidos explosive trace detection system achieves latest EU security standard
RESTON, Va., Dec. 2, 2025 /PRNewswire/ -- The Leidos (NYSE: LDOS) B220-HT explosive trace detection (ETD) system has achieved G1 Standard certification ahead of the European Civil Aviation Conference's (ECAC) latest regulatory mandate for all ETD systems deployed across the European Union (EU). Beginning in late 2026, all ETD systems used at EU airport passenger screening checkpoints must comply with the stricter detection requirements outlined in the G1 Standard. With more than 750 B220-HT...
Leidos and Quadridox partner to make baggage screening more accurate and efficient
RESTON, Va., Nov. 25, 2025 /PRNewswire/ -- By integrating their computed tomography (CT) and X-ray diffraction imaging (XRDI) systems into a new offering, Leidos (NYSE: LDOS) and Quadridox, a leader in XRDI imaging and detection, are developing an advanced checked baggage screening technology aimed at increasing security while keeping luggage moving quickly during the screening process. The new agreement combines Leidos' Examiner 3DX CT with Quadridox's DELPHI XRDI technology. By leveraging...

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