Thermal Analysis jobs in Ashburn, VA

Structural or Thermal Analysis Engineer Intern/Co-op, Spring 2027 - 105QE

Herndon, Virginia

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Today

We are looking for Aerospace Engineering, Structural Engineering, Mechanical Engineering, or related Engineering students interested in working in a fast-paced, multi-disciplinary environment and who are excited about assisting on a variety of projects to join our growing team. This is a full-time, onsite opportunity during Spring 2027, with a minimum commitment of 3 months (~March-May) or a 6-month option (~March-Aug). The position is based in Herdon, VA. About Quartus Quartus Engineering In

Full-time

USD 24.00 - 28.00 per hour

Engineer I-IV, Thermal-Hydraulic Safety Analysis & V&V

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 supports the Risk Informed Safety Analysis team that performs nuclear saf

Full-time

USD 85,000.00 - 187,000.00 per year

Mechanical Engineering Intern

Herndon, Virginia

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Today

Job Title Mechanical Engineering Intern Location Herndon, VA - Herndon, VA 20171 US (Primary) Job Description The Mechanical Engineering Intern will be responsible for carrying out various mechanical design, analysis, and testing tasks as assigned for IRAD or other projects using available software engineering design and analysis tools as well as test equipment. ESSENTIAL JOB DUTIES: Utilize CREO CAD design softwareUtilize Ansys analysis softwareUtilize test equipment as necessary Job Requ

Full-time

USD 20.00 - 25.00 per hour

Senior Solid-State Laser Engineer / Technical Lead

Herndon, Virginia

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Today

Job Title Senior Solid-State Laser Engineer / Technical Lead Location Herndon, VA - Herndon, VA 20171 US (Primary) Job Description We are seeking a Senior Solid-State Laser Engineer / Technical Lead to drive the architecture, development, and delivery of advanced solid-state laser systems for airborne and space-based government aerospace programs. This individual will serve as both a deep technical authority and a program catalyst - leading laser system design while motivating cross-functi

Full-time

USD 150,000.00 - 210,000.00 per year

Principal Mechanical Engineer

Arlington, Virginia

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Today

Overview The Principal Mechanical Engineer position is a full-time exempt position. The Principal Mechanical Engineer will be responsible for performing and leading the development of mechanical designs and/or drawings, structural analysis, thermal analysis, and support of manufacturing and hardware integration for an advanced, high-speed flight vehicle. The individual will report to a Program Manger Responsibilities Serve as a technical lead of a mechanical engineering design teamPerform/Lead

Full-time

Senior Specialist Mechanical Engineering

Ashburn, Virginia

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Today

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trus

Full-time

USD 102,000.00 - 189,000.00 per year

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

Senior Mechanical Engineer

Springfield, Virginia

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Senior Mechanical Engineer/Designer Located in Springfield, VA (Onsite). This is not a remote or hybrid position. The Senior Mechanical Engineer is responsible for the design and development of electro-mechanical equipment. Potential hire will be working directly with the design team and manufacturing vendor. Candidate will design, troubleshoot, diagnose, and solve challenges related to product development. This includes root cause analysis, working with suppliers and in-house support personne

Full-time

USD 95,000.00 - 130,000.00 per year

Mechanical Engineer

Germantown, Maryland

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Today

Location: Germantown, MD Salary: $60.00 USD Hourly - $70.00 USD Hourly Description: Mechanical Engineer - Satellite Communications Hardware Location: Onsite Germantown, MD Duration: 1+ year contract with strong likelihood for extensions We are seeking a Mechanical Engineer to lead hardware development for advanced satellite communications products from concept through production. Responsibilities Design and develop electromechanical hardware systemsPerform CAD design, FEA, CFD, and thermal

Contract

USD 60.00 - 70.00 per hour

Director, Mechanical Engineering

Sterling, Virginia

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Today

Position Title: Director, Mechanical Engineering Requisition ID: 1863 Position Location: Sterling, VA Position Reports To: Senior Director, Hardware Engineering Supervises Others: Yes At Trident Systems Space Electronic Systems (SES) division, we believe in the power of using strong engineering principles to drive innovation and solve complex problems. We foster a culture of rigorous engineering and continuous improvement, leveraging the full knowledge of our organization through collaborative

Full-time

USD 153,000.00 - 230,000.00 per year

Mechanical Design Engineer II (Onsite)

Sterling, Virginia

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Today

Join Axon and be a Force for Good. At Axon, we're on a mission to Protect Life. We're explorers, pursuing society's most critical safety and justice issues with our ecosystem of devices and cloud software. Like our products, we work better together. We connect with candor and care, seeking out diverse perspectives from our customers, communities and each other. Life at Axon is fast-paced, challenging and meaningful. Here, you'll take ownership and drive real change. Constantly grow as you work

Full-time

USD 108,750.00 - 174,000.00 per year

Sr Mechanical Engineer I (Onsite)

Sterling, Virginia

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Today

Full-time

USD 108,750.00 - 174,000.00 per year

Associate Opto-Mechanical Engineer

Lorton, Virginia

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Company Overview We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to innovative research in the fields of sensor science, signal processing, data fusion, artificial intelligence (AI), machine learning (ML), and augmented reality (AR). QinetiQ US's dedicated experts in defense, aerospace, security, and related fields a

Full-time

USD 74,850.00 - 95,800.00 per year

Principal Mechanical Engineer

Fairfax, Virginia

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Today

Position Title: Principal Mechanical Engineer Requisition ID: 1833 Position Location: Sterling, VA Position Reports To: Manager, Mechanical Engineering Supervises Others: No At Trident Systems Space Electronic Systems (SES) division, we believe in the power of using strong engineering principles to drive innovation and solve complex problems. We foster a culture of rigorous engineering and continuous improvement, leveraging the full knowledge of our organization through collaborative product de

Full-time

USD 107,000.00 - 198,000.00 per year

Senior Mechanical Engineer, RF Sensor Productization

Washington, District of Columbia

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Today

CHAOS Industries is redefining modern defense with a multi-product portfolio that gives the ultimate advantage-domain dominance. The company's products are powered by Coherent Distributed Networks (CDN ), empowering warfighters, commercial air operators, and border protection teams to act faster, adapt rapidly, and stay ahead of evolving threats. CHAOS Industries was founded in 2022 and has raised a total of $1 billion in funding from leading investors, including 8VC, Accel, and Valor Equity Par

Full-time

USD 150,000.00 - 200,000.00 per year

Principal Systems Engineer

Remote or Titusville, Florida

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AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected. Position Overview We are seeking a

Full-time

Senior CAD Application Engineer

Remote or Massachusetts

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About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we're designing and building commercially viable fusion power plants. And we're working with policymakers, suppliers, and many others to build the energy industry of the future. We're in the best position to make it happen. Since 2018, we've raised $4 billion of capital, making us the largest and leadi

Full-time

USD 134,000.00 - 205,000.00 per year

Senior Mechanical Engineer

Remote or Oak Ridge, Tennessee

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Thanks for your interest in Oklo! We are searching for a Sr. Mechanical Engineer to join our fuel recycling engineering team within Oklo's Recycling Division. Position Description You will serve as Oklo's technical expert for high-temperature process piping, pressure vessels, and pressure-retaining components supporting the Oak Ridge Fuel Recycling Facility (OFRF). You will own the mechanical design basis, analysis, code compliance, and technical interfaces for these systems from early design

Full-time

USD 175,000.00 - 210,000.00 per year

Mechanical Engineer V - Design

Remote or Reno, Nevada

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Voyager is an innovative defense, national security and space technology company committed to advancing and delivering transformative, mission-critical solutions. We tackle the most complex challenges to unlock new frontiers for human progress, fortify national security, and protect critical assets to lead in the race for technological and operational superiority from ground to space. Forge the Future: Join Voyager Technologies The future belongs to those who build it. At Voyager Technologies, w

Full-time

USD 130,000.00 - 200,000.00 per year

Senior Principal RF Mechanical Engineer

Remote or Tucson, Arizona

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Date Posted: 2026-08-13 Country: United States of America Location: US-AZ-TUCSON-M02 ~ 1151 E Hermans Rd ~ BLDG M02 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At Raytheon, t

Full-time

USD 132,400.00 - 251,600.00 per year

Thermal Analysis jobs in Ashburn, VA, USA