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Job #: R-00017502
Location: Alexandria, VA
Category: Research Scientist
Schedule (FT/PT): Full Time
Travel Required: Yes, 10% of the time
Shift: Day
Potential for Telework: Yes
Clearance Required: Public Trust
Referral Eligibility: Ineligible
Group: Defense


Job Requisition:

Physical Scientist

Job Description:

Job Description

The Defense Group (DG) at Leidos currently has an opening for a Physical Scientist to work out of our Alexandria or Reston, VA office supporting a Defense Threat Reduction Agency program.  This is an exciting opportunity to utilize your mathematical, modeling, and analytical skills to solve highly complex problems.  The challenges our customer faces require a multidisciplinary approach to providing sound scientifically defensible solutions and guidance.

Primary Responsibilities

Perform scientific analyses related to nuclear weapons effects and construct models to simulate these effects.

Collect data and review data from a variety of tests and studies.

Perform mathematical and statistical analyses on multiple data sets.

Review other statistical data from operational performance tests as required.

Prepare detailed technical reports.

Basic Qualifications

Masters Degree with minimum of 5 years of applicable experience or 5 additional years of experience in lieu of degree.

Must be able to obtain and maintain at least a TOP SECRET Security Clearance.

Strong programming experience necessary – preference for High Performance Computing experience.

Good technical writing skills required.

Preferred Qualifications

PhD in related discipline

Able to maintain a TOP SECRET/SCI Security Clearance preferred.

Familiarity with nuclear weapons physics.

FORTRAN / HPC programming experience.

External Referral Bonus:


Potential for Telework:


Clearance Level Required:

Public Trust


Yes, 10% of the time

Scheduled Weekly Hours:




Requisition Category:


Job Family:

Research Scientist



Leidos is a Fortune 500® information technology, engineering, and science solutions and services leader working to solve the world's toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company's 33,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $10.19 billion for the fiscal year ended December 28, 2018. For more information, visit

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 here.

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to

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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