Senior Software Development Engineer Jobs in Chantilly, VA
Senior Software Development Engineer jobs in Chantilly, Virginia concentrate in the Route 50 corridor, the Westfields business park, and the Dulles Technology Corridor, across defense technology, intelligence contracting, and cybersecurity. Employers actively posting include Leidos, Probity, and Sabree Software Services. Scan the live roles below and apply to whichever ones fit.
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Description
Leidos is seeking a TS/SCI cleared Aerospace Engineer to provide technical support for our government customer, supporting the planning, coordination, execution, and assessment of multifaceted activities. The Aerospace Engineer works closely with government personnel, mission partners, and vendor teams to analyze requirements, identify and resolve technical and operational issues, coordinate activities across stakeholders, and track actions through completion.
Key Responsibilities
- Provides technical analysis and recommendations to support customer decision-making.
- Reviews requirements and documentation and assesses risks and impacts.
- Monitors program and operational activities, and develops briefings, reports, and other technical products.
- Serves as a key coordination point to help ensure customer objectives, technical requirements, and schedules all align with operational needs.
Experience
- BS degree and 8-12 years of prior relevant experience or Master’s with 6-10 years of prior relevant experience.
- Aerospace and/or spacecraft engineering experience with designing, assembling, or testing applicable hardware.
- Experience working as a member of a multidisciplinary project team that may include engineers, scientists, designers, and technicians.
- An active TS/SCI security clearance is required to be considered for the position. A polygraph is desired.
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:
October 29, 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 $107,900.00 - $195,050.00The 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.
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.
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Find JobsSenior Software Development Engineer Job Market in Chantilly
Who's Hiring
- Leidos30

- Probity30

- Sabree Software Services30S
- Amentum23

- SOSi15

Senior Software Development Engineer Jobs in Chantilly: Frequently Asked Questions
How do I get a senior software development engineer job in Chantilly?
Chantilly's hiring market is dominated by defense contractors, intelligence community support firms, and cybersecurity companies clustered along the Dulles Technology Corridor and Westfields business park. Candidates with experience in cloud infrastructure, software-defined systems, or secure software development pipelines have the clearest edge here. Familiarity with government program environments and agile delivery in cleared settings is especially valued by the employer types concentrated in this area.
Which companies hire senior software development engineers in Chantilly?
Chantilly senior software development engineer roles are posted by Leidos, Probity, and Sabree Software Services and others right now, based on current listings on Migrate Mate as of November 2026. The local employer mix skews heavily toward defense primes, federal IT services firms, and intelligence community contractors headquartered in or near the Dulles corridor.
Are there remote senior software development engineer jobs in Chantilly?
Yes, though many Chantilly roles require on-site or cleared work, making fully remote positions less common than in purely commercial markets. About 30% of senior software development engineer openings tied to Chantilly are remote or hybrid as of November 2026, with hybrid arrangements more typical for commercial or unclassified product teams than for defense or intelligence-facing positions.
How can I get a senior software development engineer job in Chantilly with little or no experience?
The most realistic entry path in Chantilly is through junior or mid-level software engineer roles at defense IT services firms and federal contractors, which often develop talent internally for senior positions. Targeting companies that run internship pipelines tied to government programs, or joining as a software associate on a federal delivery team, positions you for promotion into senior roles. Earning a security clearance early significantly accelerates advancement with Chantilly's dominant employer types.
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