Top 58 Physicist Jobs in Gaithersburg, Md

Experimental Atomic Physicist
Computational Physics, Inc. —Washington, DC
- $130,000 - $150,000 a year
- Online Application
- 6 years
- Doctor of Philosophy
- Travel
- Profit sharing
- Disability insurance
Quick Apply
Materials Scientist/Physicist
Enig Associates —Rockville, MD
- Full-time
- 5 years
- Office
- Math
- Health insurance
- Dental insurance
Health Physicist
IHRC INCORPORATED —Silver Spring, MD
- Online Application
- Mid-level
- 3 years
- Bachelor's degree
Theoretical/Computational Physicist
Enig Associates —Rockville, MD
- Full-time
- 5 years
- Office
- Math
- Health insurance
- Dental insurance
Public Notice - Physical Scientist/Physicist (Direct Hire)
US Goddard Space Flight Center —Greenbelt, MD
- $85,447 - $197,200 a year
- Online Application
- Background check
- Computer science
- Management
2d
Senior Health Physicist
IHRC INCORPORATED —Silver Spring, MD
- Part-time
- Bachelor's degree
- Senior level
- Communication skills
Quantum Research Physicist
JTEC Consulting —College Park, MD
- $115,000 - $215,000 a year
- 5 years
- Master's degree
- Doctor of Philosophy
- Relocation assistance
2026 Graduate – Defense Systems Simulation & Analysis – Electrical Engineer/Physicist/Mathematician
Johns Hopkins Applied Physics Laboratory (APL) —Laurel, MD
- $85,000 - $165,000 a year
- Full-time
- Master's degree
- Analysis skills
- Math
- Disability insurance
- Health insurance
F-35 LIGHTNING II JOINT PROGRAM OFFICE - INTERDISCIPLINARY ENGINEER/PHYSICIST/ANALYST/SCIENTIST
NAVAIR —Arlington, VA
- $143,913 - $197,200 a year
- Mid-level
1d
Medical Physicist
Maryland Oncology —Rockville, MD
- $208,039.38 - $320,060.58 a year
- Research
- Master's degree
- Clinic
Strategic Deterrent Nuclear Survivability Analyst
Johns Hopkins Applied Physics Laboratory (APL) —Laurel, MD
- $85,000 - $195,000 a year
- Full-time
- Doctoral degree
- Bachelor of Science
- Mid-level
- Disability insurance
- Health insurance
Scientist - Advanced Microsystems
Everforth ECS —Arlington, VA
- $150,000 - $220,000 a year
- Office
- Master's degree
- 8 years
Computational Scientist – Metasurfaces, Photonics, and Inverse Design
Johns Hopkins Applied Physics Laboratory (APL) —Laurel, MD
- $85,000 - $195,000 a year
- Full-time
- Mid-level
- Master's degree
- 1 year
- Disability insurance
- Health insurance
Senior Physicist
Leidos —Reston, VA
- $154,050 - $278,475 a year
- Full-time
- Military
- Public speaking
- 11+ years
Research SME - Quantum Information Science
Bluemont Technology & Research, Inc. —Bethesda, MD
- System design
- Master's degree
- Doctor of Philosophy
Quick Apply
Sr. Materials/Physics Scientist/Principal Investigator
Enig Associates —Rockville, MD
- Full-time
- 5 years
- Office
- Math
- Health insurance
- Dental insurance
2026 PhD Graduate - Modeler and Data Analyst
Johns Hopkins Applied Physics Laboratory (APL) —Laurel, MD
- $105,000 - $245,000 a year
- Full-time
- Data analysis skills
- System design
- Doctor of Philosophy
- Disability insurance
- Health insurance
Senior Underwater Acoustic Modeler / Marine Bioacoustics Scientist
TechGlobal, Inc. —Silver Spring, MD
- $145,000 - $195,000 a year
- Overtime
- Hybrid work
- Doctoral degree
- Master's degree
- 8 years
- Health savings account
- AD&D insurance
Quick Apply
1d
Senior Researcher/Engineer
Amentum —Washington, DC
- $100,000 - $125,000 a year
- 8 hour shift
- Computer science
- Heavy lifting
- 5 years
- Health savings account
- Health insurance
Quick Apply
6d
Postdoctoral Fellow
National Institutes of Health —Bethesda, MD
- Research
- Doctor of Philosophy
- Senior level
13d

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Experimental Atomic Physicist

Computational Physics, Inc. -
Washington, DC

Quick Apply

Job Details

Full-time
$130,000 - $150,000 a year

Benefits

Profit sharing
Disability insurance
Relocation assistance
Health insurance
Dental insurance
401(k)
Flexible spending account
Tuition reimbursement
Paid time off
Parental leave
Vision insurance
Employee stock ownership plan
Opportunities for advancement
Flexible schedule
Life insurance

Qualifications

Physics research
Optics
Programming languages
Doctor of Philosophy
Feedback control
Spectroscopic techniques
Data analysis software

Full Job Description

Computational Physics, Inc. (CPI) is looking for an Experimental Atomic Physicist to support our customers at the U.S. Naval Observatory (USNO).

Background

The USNO is responsible for the creation, dissemination and maintenance of precise time and navigation products for the Department of Defense and other customers. CPI is seeking an Experimental Physicist with a background in atomic, molecular or optical physics to support next-generation atomic clock development at USNO. The successful candidate will support the work of the Clock Development division on optical lattice clocks and cold-atom beam optical clocks based on alkaline earth atoms. The new Physicist will work with a team of CPI contractors and USNO Scientists to develop robust solutions for high-uptime optical clocks and the infrastructure for their integration into the USNO timescale.

Most work for this position will be completed on-site at USNO in Washington, D.C.; occasional travel to conferences within and outside of the continental United States may be required based on the needs of the customer. Relocation assistance is available. The successful candidate must be able to obtain and maintain a SECRET security clearance upon hiring, an active clearance is not required at the time of application. The new Physicist will work closely with other CPI contractors and federal employees in the Precise Time Department, providing periodic updates to the Clock Development Division Chief.

Basic Qualifications

PhD in Experimental Atomic Physics or similar field
At least 6 years of experimental physics experience, this can include relevant work toward an advanced degree.
Data analysis using Python or similar programming language
Familiarity with lasers, optics and atomic spectroscopy
Familiarity with feedback control theory and electronics
Excellent verbal and written communication skills

Desired Qualifications

Atomic clocks
Laser cooling and trapping of alkaline-earth atoms
Diode lasers and optical frequency combs
Hands on experience with python-based experimental control (e.g. ARTIQ)

Candidate must obtain a SECRET clearance upon hiring.

U.S. citizenship is required for DoD contracts.

About CPI

We love science! We study the physical properties of the Earth and our atmosphere, neighboring planets, and the sun. We make the study of science practical by translating our findings into products, both hardware and software, that make our customer's lives easier and better. CPI has served various U.S. Government agencies, universities, international science organizations, prime contractors, as well as commercial customers for 40 years.

CPI is an employee-owned company - our team members receive company stock. Employee ownership motivates and empowers increased productivity, contribution to the longevity of the business, improved retention, and enhanced employee engagement.

Why Work for Us?

Competitive salary and comprehensive benefits
Positive, upbeat, and transparent company culture with opportunities for self-development and career advancement
Employee-owned small business that allows team members to learn from each other and take ownership
Professional development support including conference attendance and certification training

Benefits

401(k), Profit Sharing and an Employee Stock Ownership Plan (ESOP)
Disability insurance (short-term and long-term)
Flexible schedule
Flexible spending account
Health, Dental and Vision insurance
Life insurance
Paid time off
Parental Leave
Tuition reimbursement

To apply please visit our careers page.

CPI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

If you need a reasonable accommodation for any part of the employment process, please contact us and let us know the nature of your request and your contact information. Requests for accommodation will be considered on a case-by-case basis.

Quick Apply

Refine Your Search

physicist jobs in gaithersburg, md

Experimental Atomic Physicist

Materials Scientist/Physicist

Health Physicist

Theoretical/Computational Physicist

Public Notice - Physical Scientist/Physicist (Direct Hire)

Senior Health Physicist

Quantum Research Physicist

2026 Graduate – Defense Systems Simulation & Analysis – Electrical Engineer/Physicist/Mathematician

F-35 LIGHTNING II JOINT PROGRAM OFFICE - INTERDISCIPLINARY ENGINEER/PHYSICIST/ANALYST/SCIENTIST

Medical Physicist

Strategic Deterrent Nuclear Survivability Analyst

Scientist - Advanced Microsystems

Computational Scientist – Metasurfaces, Photonics, and Inverse Design

Senior Physicist

Research SME - Quantum Information Science

Sr. Materials/Physics Scientist/Principal Investigator

2026 PhD Graduate - Modeler and Data Analyst

Senior Underwater Acoustic Modeler / Marine Bioacoustics Scientist

Senior Researcher/Engineer

Postdoctoral Fellow

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