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Leidos

Sr. Software Developer

Gaithersburg, MD$87,100 – $157,450Posted Jul 15, 2026

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Why you should apply for a job to Leidos:

Ranked as one of the Best Technology Companies in 2024
4.1/5 in overall job satisfaction
4.3/5 in supportive management
70% say women are treated fairly and equally to men
85% would recommend this company to other women
85% say the CEO supports gender diversity

Ratings are based on anonymous reviews by Fairygodboss members. See all reviews ›

Description

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 capabilities

Basic Qualifications

Computer Science or Computer Engineering Degree

Demonstrated Software Development Skills/Capabilities

Excellent Verbal and Communication Skills

Flexibility in working across multiple SW languages

Demonstrated ability to debug and solve problems

A Strong Desire to Learn & Improve your Technical Capabilities

4-8 Years work experience in a Computer Science related position (outside academic experience)

Preferred Qualifications

Work Experience in a Technical organization performing Software Engineering Tasks.

Previous Software Experience working Air Traffic Control Programs

Leadership Skills & Experience

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:

July 13, 2026

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 $87,100.00 - $157,450.00

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 LeidosCareersFraud@leidos.com.

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.

About Leidos

https://www.leidos.com/

Size: 10,000+ employees
Industry: Technology: B2B Tech Services

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