Physics jobs in Bethesda, MD

Internships in Systems, Mechanical, Aerospace Engineering or Physics

McLean, Virginia

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Today

At MITRE, your passion fuels work that impacts our nation and improves lives. This is where your skills strengthen national security, cybersecurity, health, transportation, and citizen services. We're a nonprofit engineering, applied research, and advanced technology organization working in the public interest. With objectivity and integrity at our core, we lead federally funded research and development centers for U.S. government agencies - collaborating with industry and academia to deliver in

Full-time

USD 46,500.00 - 58,000.00 per year

RF Engineer

Bethesda, Maryland

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Today

Overview AMERICAN SYSTEMS CORPORATION is seeking a dedicated RF Engineer to design and develop RF systems and subsystems in support of unmanned vehicles. Responsibilities Designing RF schematic block diagrams and performing complex RF design analysisDeveloping RF system specifications and performing system level RF architecture designTesting RF design elements and troubleshooting RF circuit issuesWorking with cross-functional teams to ensure designs meet overall system requirementsUsing netwo

Full-time

USD 95,000.00 per year

Engineer, Senior

Arlington, Virginia

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Today

Overview As a General Engineer supporting a high-visibility, mission-critical Department of War (DoW) program you will deliver full-spectrum engineering support. Working directly with Integrated Product Teams (IPTs), competency leads, and program leadership, you will manage new and existing equipment and systems and develop hands-on technical expertise within a multidisciplinary team. Responsibilities Be responsible for hands-on testing, troubleshooting, installation, calibration, repair, and

Full-time

USD 100,000.00 per year

Aerospace Engineer III

Arlington, Virginia

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Today

Overview The Aerospace Engineer position is a full-time exempt position. The individual will support the development and implementation of physics based modeling and simulation tools to support aerospace system design and analysis, perform engineering trade studies, and performance assessments. The individual will report to the Program Manager. Responsibilities Develop simulation models and software for aerospace or weapon system applications.Perform GNC analysis, trajectory analysis, and/ or

Full-time

Mechanical Engineer, Senior

McLean, Virginia

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Today

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Engineering & Analysis, Test & Evaluation, and Training. Responsibilities Responsible for providing guidance and expertise in mechanical engineering to design complex mechanical equipment and systems, and to investigate, evaluate and develop new applications for existing equipment and systems.Determines theor

Full-time

USD 125,000.00 per year

Launch Integration Engineer

Chantilly, Virginia

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Today

Job ID: 2616062 Location: Chantilly, VA, US Date Posted: 2026-08-25 Category: Engineering and Sciences Subcategory: Specialty Engr Schedule: Full-Time Shift: Day Job Travel: Yes - 25% of the time Minimum Clearance Required: TS.SCI_wPoly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking a Launch Integration Engineer to support national security space missions by integrating satellite programs with launch vehicle providers. Th

Full-time

USD 80,001.00 - 120,000.00 per year

Communication Systems Analyst

Springfield, Virginia

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Today

Full-time

USD 173,200.00 - 216,500.00 per year

Nuclear Engineering Internship - Summer 2027

Rockville, Maryland

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Today

X-energy LLC conducts a thorough recruiting process and will never issue offers without interview to discuss qualifications and responsibilities. All applications will be submitted via our company career page, We will never ask you to provide payment information as part of the recruiting process. If anyone claiming to represent X-energy directs you in a manner otherwise, please contact us at ;br> Job Description This role is responsible for supporting professional employees working in an organi

Part-time

USD 25.00 - 40.00 per hour

Systems Engineer Intern

McLean, Virginia

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Today

Full-time

USD 46,500.00 - 58,000.00 per year

Energy and Sustainability Engineer- Hybrid

Arlington, Virginia

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Today

Title: Energy and Sustainability Engineer Location: Hybrid Role- Crystal City, VA Want to apply your engineering and analytical skills to help individuals and leading organizations save energy and reduce greenhouse gas footprints? You can at ICF. We solve today's most challenging issues facing the energy industry, business and consumers. ICF is seeking a detail-oriented, self-motivated candidate to support our Climate, Energy, and Transportation line of business. Our associates work on multiple

Full-time

USD 83,000.00 - 85,000.00 per year

Nondestructive Evaluation Testing (NDE/NDT) Engineer Level IV (Bethesda, MD)

Bethesda, Maryland

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Today

Join Life Cycle Engineering. Lead with purpose. Own the outcome. Do the right thing the right way. Why Choose LCE? Employee Ownership (ESOP): Build financial stake in your work. Our 100% employee-owned model directly connects your contributions to company performance and long-term wealth creation. Award-Winning Culture: Join an organization repeatedly recognized as a "Best Place to Work" driven by integrity, mutual respect, and a supportive team environment. Impactful Mission: Support defense o

Full-time

USD 80,000.00 - 150,000.00 per year

Rust Software Engineer

Reston, Virginia

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Today

About Metron Metron is an employee-owned company dedicated to delivering innovative solutions for the most challenging national security problems. For over 40 years, our principled approach to problem-solving has yielded creative solutions at the intersection of advanced mathematics, computer science, physics, and engineering. Our people are leaders in their technical fields and are passionate about solving challenging problems. We look for individuals who share this same passion and can apply

Full-time

RF Engineer

Washington, District of Columbia

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Today

Overview i3 has an exciting opportunity for a RF Engineer to support the Naval Research Laboratory, Tactical Electronic Warfare Division. The TEWD's mission is to protect the warfighter from emerging threats by advancing electronic warfare (EW) through RDT&E of current and future technologies. Pay Range $88,000 - $163,000 The pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but a

Full-time

USD 88,000.00 - 163,000.00 per year

Technology Architect Fellow

McLean, Virginia

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Yesterday

In-Q-Tel In-Q-Tel is an Affirmative Action Employer who values diversity in the workplace. EOE/M/F/disability/vets Technology Architect Fellow US-VA-McLean Job ID: 2026-1459 # of Openings: 1 Category: Technology Consulting IQT Overview This is a 12-week summer fellowship (internship) with the Technical Architect team . This team is responsible for identifying and executing investments on behalf of our partners in the Intelligence & Defense c ommunit ies in wide variety of technology areas

Full-time

Environmental Modeler

Reston, Virginia

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Today

Environmental Modeler Working at ICF means applying a passion for meaningful work with intellectual rigor to help solve the leading issues of our day. Smart, compassionate, innovative, committed, ICF employees tackle unprecedented challenges to benefit people, businesses, and governments around the globe. We believe in collaboration, mutual respect, open communication, and opportunity for growth. The position will be located in either Reston, VA, or Durham, NC, with the potential for remote wor

Full-time

USD 67,355.00 - 114,503.00 per year

Software Development Engineer in Test (SDET)

Reston, Virginia

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Today

Full-time

Prognostics and Health Management (PHM) Engineer

Arlington, Virginia

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Today

AndromedaSystemsIncorporated (ASI) provides tools and services to assist Physical Asset Owners, Fleet Managers, and Military Program Managers in gaining critical insights into their equipment's performance, identifying system improvements, optimizing operations and support, making better business decisions, and achieving measurable life-cycle cost savings. ASI provides unparalleled expertise and capabilities in the Reliability, Maintenance, Supportability, and Logistics disciplines. Our staff of

Full-time

Compensation information provided in the description

Sr. Thermal Engineer

Arlington, Virginia

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Today

Overview The Senior Thermal Engineer position is a full-time exempt position. The individual will perform thermal system design, analysis, hardware development, integration and validation for a hypersonic vehicle. The individual will report to the Program Manager. Responsibilities Support the development of thermal system designs of components, subsystems and systems compliant with flight vehicle and component requirements.Perform component thru system-level thermal analysis of flight hardware

Full-time

Modeling and Simulation Engineer

Alexandria, Virginia

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Today

MTSI is seeking a Modeling and Simulation (M&S) Engineer to provide expertise for multi-domain defense simulation development and testing. The person in this position will utilize their M&S experience developing and using system, subsystem, and component models for aerospace applications, executing simulation trades, and performing Monte Carlo analysis. Essential job functions will include but are not limited to: Develop and implement mission-to-high fidelity level models for simulations to sup

Full-time

USD 120,000.00 - 150,000.00 per year

Research Lead - AI Cyber Testing & Evaluation

Hybrid in Washington, District of Columbia

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Today

Job Type: Term (Fixed Term) Position Description RAND's Center on AI, Security, and Technology (CAST) , part of the Global and Emerging Risks (GER) Division conducts cutting-edge research on transformative, high-impact technologies-including artificial intelligence and biotechnology-to shape policies that protect global security and advance the public good. You will be responsible for managing significant research budgets and personnel, overseeing complex technical research and policy analysis

Full-time

USD 150,100.00 - 268,500.00 per year

Physics jobs in Bethesda, MD, USA