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Physicist

Leidos
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Reston, VA, USA
Jul 20, 2026

The Mission Solutions Business Area at Leidos seeks physicists who can lead and perform research and development efforts.  This position will be responsible for R&D activities that support data analytics as well as modeling and simulation efforts.  R&D activities span various scientific disciplines and technologies.  


A successful applicant is expected to be able to convert scientific theory to specific applications of interest.  


The applicant should also be able to mentor other staff members and lead teams working on R&D projects.


The applicant is also expected to write project proposals to the customer as needed.  


Working knowledge of IT systems is also required.

Required Education, Skills, and Experience:
•    Candidate must possess an active TS/SCI, or a Top Secret clearance with a current SSBI, and be eligible to obtain a TS/SCI w/ poly level clearance
•    Ph.D. or equivalent in a science discipline and 15 years of experience
•    10 years’ experience in the intelligence and/or DoD communities
•    5 years’ experience with software development
•    Ability to work closely with users to design, build, prototype, and deploy software systems within highly managed government environments
•    Experience using Word, PowerPoint, and other MS Office tools to create documents and briefings
•    Ability to work individually, as well as within a larger team construct
•    Excellent technical writing, communication, and customer relation skills
•    Highly detail-oriented
•    Adept at working in a fast-paced environment
•    Ability to resolve complex, unclear problems and issues with research and nontraditional solutions
•    Ability to perform threat and vulnerability analyses
•    Program/project management skills

Desired Technical Qualifications:
•    Understanding of physics as applied in geo-technologies
•    Understanding of cyber technology

Come break things (in a good way). Then build them smarter.

We're the tech company everyone calls when things get weird. We don’t wear capes (they’re a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for “how it’s always been done.”

Original Posting:

September 12, 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 $154,050.00 - $278,475.00

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.

Job ID

Physicist_R-00166684

Security Clearance

TS/SCI
About Leidos
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