Thermal Engineer Jobs in the United States

Naval Nuclear Laboratory

$116700 - $182400

West Mifflin, PA

Naval Nuclear Laboratory personnel are FMP employees who work at four DOE facilities: Bettis Atomic Power Laboratory, Knolls Atomic Power Laboratory, Kenneth A. Kesselring Site, and Naval Reactors Facility, and at the U.S. Department of Defense-owned Nuclear Power Training Unit-Charleston. For nearly 70 years, the Naval Nuclear Laboratory has developed advanced nuclear propulsion technology, provided technical support, and trained world-class nuclear operators to ensure the safe and reliable operation of our nation's submarine and aircraft carrier Fleets.

Southwest Research Institute

San Antonio, TX

Daily and Monthly Responsibilities: Lead bench- and pilot-scale thermal-fluid experiments, including design of flow loops; integration of pumps, heat exchangers, cold plates, chillers, CDUs; installation of temperature/pressure/flow instrumentation; and commissioning of safe, fully integrated test systems. Design and optimize thermal management and fluid systems using first principles, analytical methods, and CFD tools (e.g., ANSYS Fluent, STAR-CCM+); validate models with experimental data for data centers, space systems, electronics cooling, HVAC, and energy-water applications.

Southwest Research Institute

San Antonio, TX

Daily and Monthly Responsibilities: Support bench- and pilot-scale thermal-fluid experiments, including design of flow loops; integration of pumps, heat exchangers, cold plates, chillers, CDUs; installation of temperature/pressure/flow instrumentation; and commissioning of safe, fully integrated test systems. Support the design of thermal management and fluid systems using first principles, analytical methods, and CFD tools (e.g., ANSYS Fluent, STAR-CCM+); validate models with experimental data for data centers, space systems, electronics cooling, HVAC, and energy-water applications.

Boeing

El Segundo, CA

Millennium Space Systems also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. Spacecraft thermal subsystem elements includes all passive and active means of controlling the satellite’s system, subsystem, and component environments within both operating and survival limits during all pertinent system lifetime activities.

A.O. Smith

Milwaukee, WI

Works under the guidance of senior engineers and within cross‑functional teams to execute engineering tasks, generate experimental data, evaluate concepts, and contribute to technical solutions that advance product performance, reliability, manufacturability, and cost objectives. Plans and conducts laboratory experiments involving heat pump systems or components (e.g., compressors, heat exchangers, refrigerant circuits, fans, pumps, and controls hardware), following established test procedures and safety requirements.

Southwest Research Institute

Oklahoma City San Antonio, OK

We specialize in world-class research, design, and support, providing innovative solutions to modern challenges and legacy systems for the U.S. Air Force Global Strike Command, Department of Defense, allied nations, and the U.S. Government, ensuring mission readiness and technological superiority. Daily and Monthly Responsibilities: Lead thermal trade studies for avionics (air/liquid cooling, conduction paths, materials), set margins, and resolve heat/airflow issues with electrical, mechanical, and systems teams.

Wakefield Thermal Solutions

Nashua, NH

Building on over four decades of leadership and experience, Wakefield Thermal designs, manufactures, and sells thermal management products that remove excess heat generated by electronic components. Historically talented at restoring distressed companies, Heico now strategically targets acquisitions that will complement its ever-growing portfolio of companies in manufacturing, construction, and industrial services.

Johns Hopkins Applied Physics Laboratory (APL)

$100000 - $245000

Laurel, MD

Apply strong attention to detail to predict EO/IR signature phenomenologies of missiles, rocket motor plumes, air platforms, and relevant background scenes in endo and exo-atmospheric flight conditions in support of IAMD technology development and other programs. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.

Nesco Resource

$38.36 - $62.33

Tulsa, OK

Cross-Functional Collaboration: Partner with sales, customers, fabrication teams, and drafting resources to align design intent with execution. Analytical Thinking: Strong ability to interpret technical data, perform calculations, and solve complex engineering problems.

National Radio Astronomy Observatory

GREEN BANK, WV

The Observatory operates a variety of radio telescopes that span the globe, including the famous Very Large Array (VLA) in New Mexico, the Green Bank Telescope in West Virginia, and the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile. Lead and contribute to the design, analysis, and integration of mechanical systems for major telescope subsystems, including thermal management, environmental enclosures, structural components, cable routing, and maintenance/access infrastructure.

Naval Nuclear Laboratory

$95700 - $149600

West Mifflin, PA

Bachelors degree from an accredited college or university in a related technical, engineering or science field and a minimum of 6 years of relevant experience; or Masters degree from an accredited college or university in a related technical, engineering or science field and a minimum of 4 years of relevant experience; or Doctorate degree from an accredited college or university in a related technical, engineering or science field and a minimum of 1 year of relevant experience; or Currently a Senior Reactor Training Engineer, Refueling Engineer, or Field (RPCO) Engineer at the Company. Join a dynamic and collaborative team in Reactor Mechanical Design, where you'll apply your expertise in finite element analysis to support the design and analysis of reactor core and heavy equipment components for FORD and NIMITZ-class aircraft carriers, SEAWOLF-class submarines and operating prototype reactors.

Micro Tech

Waltham, MA

Requirements: Highly motivated individual with a proven track record (7+ years) of innovative work designing precision mechanisms and/or opto-mechanical assemblies. An emerging leader – experience as a technical lead, project lead, and/or working directly with customers.

DCS Corporation

Beavercreek, OH

The Candidate will assist in supporting and conducting engineering performance, effectiveness, cost effectiveness, cost performance, life-cycle cost, producibility, maintainability, supportability, reliability, technical/schedule risk assessment, and scheduling trade-off studies. A Master’s or Doctorate Degree in a related field and at least 20 years of experience, 12 years of which must be in the DoW/DoD; Bachelor’s degree and 25 years of experience in the respective technical/professional discipline being performed, 15 years of which must be in the DoW/DoD; or 30 years directly related experience, 20 years of which must be in the DoW/DoD.

Saab

$121900 - $158500

Quincy, MA

Saab Inc., Autonomous and Undersea Systems division is seeking an innovative and experienced Senior Mechanical Engineer to guide others on technical teams in capturing, understanding, and implementing product design requirements for autonomous Unmanned Surface/Underwater Vehicles (aUSVs/aUUVs, AUVs) and Remotely Operated Vehicles (ROVs). When extending an offer, Saab, Inc. considers factors including (but not limited to) the role and associated responsibilities, location, and market and business considerations, as well as the candidate's work experience, key skills, and education/training.

Iconma

Foster City, CA

As a mechanical engineer on the electrical systems team, you will design and release components that are critical to vehicle development, and vehicle-level validation and testing, manage the BoM, and work with cross-functional teams to define requirements and develop solutions. Own the design, validation, and implementation of hardware within the EE Systems team, such as our manual driving interface, remote control systems, and testing interfaces.

System One

$127104 - $153401

Corvallis, OR

Performs complex piping design and stress analysis of ASME BPVC Section III Class 1, 2, and 3 piping systems using the Bentley AutoPIPE computer program in accordance with the requirements of NB, NC, ND-3600, respectively. Performs static and dynamic analysis including response spectrum and time history analysis to calculate stresses due to deadweight, thermal expansion, thermal gradients, seismic events, and fluid transients.

L3Harris Technologies

$90500 - $168500

Ithaca, NY

Advanced Architecture & PCB Design: Proven ability to lead the full design cycle—including requirement analysis, schematic capture (using Mentor VX/DxDesigner), and complex high-speed layout analysis. Join our team as a Digital Hardware Engineer and play a critical role in advancing the next generation of embedded digital hardware supporting L3Harris Software Defined Radios (SDR) and accessories.

NY CREATES

Rochester, NY

For positions requiring such access, offers of employment are contingent upon the employer being able to obtain the necessary authorization, including, if required, an export license from the U.S. Department of Commerce's Bureau of Industry and Security, the U.S. Department of State's Directorate of Defense Trade Controls, or other government agencies. NY Creates also runs some of the most advanced facilities in the world, boasts more than 3,000 industry experts and faculty, and manages public and private investments of more than $25 billion - placing it at the global epicenter of high-tech innovation and commercialization.

NY CREATES

Albany, NY

The candidate will be expected to develop AIM Photonics silicon photonics platforms with funding projects involved with quantum photonics, IIIV laser integrations, sensors development, optical phased array and novel material integration. M.S. degree in Chemical Engineering, Materials Science, Electrical Engineering, or equivalent Engineering and/or Science discipline from a college or University accredited by the USDOE or internationally recognized accrediting organization AND 5+ years relevant professional industry experience.

Marvin Test Solutions, Inc.

Irvine, CA

Desired Skills: Individual must be highly motivated self-starter, be able to recommend corrective actions, possesses good writing and interpersonal skills and the ability to coordinate several projects (multi-tasking) and complex engineering activities and be able to balance priorities while maintaining project schedules. You'll have the chance to put your skills to the test, qualifying military products and ensuring electronic and electro-mechanical assemblies and products are properly designed to enable operation in harsh environments such as airborne, vehicle, and flight line.

System One

$69 - $115

Bellevue, WA

This role will support the Sodium Processing Systems team, focusing on system design, vendor coordination, and integration of hardware into overall plant system architecture for a next-generation nuclear reactor program. Bachelor’s degree in Mechanical Engineering, Chemical Engineering, or related discipline from an accredited university.

Epitec, Inc

Southfield, MI

Duties:Responsible for researching and improving current techniques for assessing the performance of fossil fuel, hybrid, and electric propulsion systems; provide direct support for time-based transfer path analysis activities; perform transient response analysis to assess the response to torsional transients; develop time-based signals for sound and vibration from analytical models; enhance the process of information sharing between organizations to support timely studies in connection with vehicle noise and vibration transmission with fuel systems; work with cross-functional teams across the organization to help optimize overall work; utilize and apply knowledge of Structure Dynamics, FEA, FRF/NTF measurements, CATIA, Sound Intensity Testing/Analysis, 3D modeling, GD&T, data acquisition strategies, Advanced Thermal Analysis, Fluid/Structure/Multi-material Interaction Analysis, Thermo-Mechanical Coupled CAE, Robotic Fixture/Mold Vibration-damping Design, Statistical Process Control, End-of-Line Testing Development, Transfer Path Analysis (TPA), Dynamic Modal Analysis, and Siemens LMS/Test. Education: Masters’s – Mechanical Engineering, Electrical Engineering, Automotive Engineering, or in a related field of study (will accept equivalent foreign degree); Training: None; Experience: Two (2) years in the position above, as a Design Release Engineer (Body Component), as a Product/Process Engineer, as a NVH Simulation Engineer, as a Research Assistant, as a Laboratory Assistant, or in a related occupation; Other Requirements: Experience must include two (2) years use of all the following: 3D modeling, GD&T, data acquisition strategies, Advanced Thermal Analysis, Fluid/Structure/Multi-material Interaction Analysis, Thermo-Mechanical Coupled CAE, Robotic Fixture/Mold Vibration-damping Design, Statistical Process Control, End-of-Line Testing Development, and Dynamic Modal Analysis.

ResourceTek

$68 - $90

Huntsville, AL

Perform mechanical engineering analysis using ANSYS to support the development and evaluation of new design concepts based on customer requirements, existing drawings, and on-site surveys, acting as either a team member or mechanical lead. Develop and present analysis-driven briefings for design review milestones (SRR, PDR, CDR), clearly communicating modeling assumptions, results, margins, and risks to stakeholders and customers.

Boeing

$103700 - $140300

Hazelwood, MO

The Boeing Company also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. Boeing Defense Space & Security (BDS) Phantom Works Division is seeking an Experienced Mechanical Systems Design & Analysis Engineer for advanced aircraft development programs located in Hazelwood, MO.

Johnson Service Group

$140000 - $150000

Atlanta, GA

This direct hire position is part of the Nuclear Steam Supply System (NSSS) design engineering organization that generates technical requirements and associated design parameters for the modular advanced light water reactor (ALWR) in accordance with ASME BPVC Section III and applicable regulatory requirements. Johnson Service Group (JSG) is a nationally recognized professional staffing firm, and we are recruiting for a Senior Mechanical Engineer to assist with Nuclear Piping & Integration design efforts within a Nuclear Steam Supply System (NSSS) design organization.

Davron LLC

Glendale Heights, IL

RF HIGH POWER AMPLIFIER DESIGN ENGINEER | RF ENGINEER, RF PA ENGINEER, HIGH POWER RF ENGINEER | HAM LICENSE | AWR MICROWAVE OFFICE, ADS, MICROSOFT EXCEL, OUTLOOK, POWERPOINT, WORD, JIRA | SOLID-STATE RF SYSTEMS, MICROWAVE POWER SYSTEMS, L-BAND FACILITIES, S-BAND FACILITIES | GAN, LDMOS, SMITH CHART, IMPEDANCE MATCHING, LOAD PULL, THERMAL MANAGEMENT. This is an exciting opportunity to work onsite with a company known for precision solid-state microwave and RF systems serving critical communications and advanced industrial power applications, where your expertise will directly support cutting-edge high-power RF amplifier development in a collaborative, growth-focused environment.

Jobot

$100000 - $160000

Pleasant Hill, CA

Unlike large, bureaucratic firms, this organization offers a "lean" and highly collaborative environment where you report directly to senior leadership and serve as a key technical advisor on complex remediation and compliance projects across California. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

Symbotic

Lynnfield, MA

Applying next-gen technology, high-density storage and machine learning to solve today's complex distribution challenges, Symbotic enables companies to move goods with unmatched speed, agility, accuracy and efficiency. Cross-Functional Collaboration: Work closely with electrical, software, controls, manufacturing, and quality engineering teams to ensure seamless integration and product success.  .

Primetals Technologies

Canonsburg, PA

Lead the mechanical design of equipment and assemblies for steel processing lines including galvanizing lines, hot and cold rolling mills, and inline process furnaces. Willingness to travel domestically and internationally up to approximately 30–50%, including extended stays abroad, to support suppliers, manufacturing activities, and customer sites.

GCR Professional Services

$120000 - $145000

Amesbury, MA

This role combines component design, materials engineering, and manufacturing process development in a high-mix, low-volume production environment where most products are custom engineered for specific customer applications. Experience in one or more of the following areas is highly desirable: Aerospace or optoelectronic components, precision component assembly, thermal processing or furnace operations, electroplating or surface finishing.

Epitec, Inc

$55 - $58

Lafayette, IN

This role focuses on enhancing equipment availability, OEE, and process capability through structured reliability methods such as TPM, RCCA, PFMEA, and predictive maintenance. We are seeking a Project Engineer 4 to lead reliability improvements for CNC machining centers at our Lafayette, IN facility.

The Steelastic Company, LLC

Cuyahoga Falls, OH

The Mechanical Engineer 3 will perform mechanical machine design engineering duties, product design, product customizations, resolving design and documentation issues, with primary focus on capital equipment associated with the production of pneumatic tire components. Demonstrated ability to collaborate within the team to convert customer requirements into complete (mechanical and electrical), organized, and accurate estimates for materials, engineering, and shop labor associated with the design and manufacture of industrial capital equipment.

WR Systems

Dam Neck, VA

The selected candidate will be required to pass a pre-employment third-party background check which may include verification of any of the following: Employment history; Education and/or certifications; Criminal history; Driving Records; Other records or information related to the candidate’s suitability for the position. Experience working with CAD software (AutoCAD and Autodesk Inventor preferred) with strong knowledge of 3D modeling, Bills of Materials (BOM), and manufacturing documentation.

Jobot

$80000 - $125000

Salt Lake City, UT

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. If you are a Mechanical Engineer experience, looking to lead exciting projects and work with our exceptional client base in healthcare, higher education, K-12, federal government, municipalities, and private industry, then please apply today!

System One

$160000 - $210000

Cambridge, MA

Senior Project Engineer Requirements: 6 -10+ years leading engineering and/or construction on large power or process-industry projects (e.g., steam turbine or combined-cycle plants) with significant EPC or Owner’s Engineer interaction. Senior Project Engineer Responsibilities: Lead technical coordination between the company, EPC, and site owner; define scopes, interfaces, and deliverables and run design and progress reviews.

CEI Group

$120000 - $170000

Colorado Springs, CO

If you’re passionate about creating innovative, high-performance electronics and want to see your designs make a global impact, this role offers the opportunity to work with cutting-edge technologies, collaborate with top-tier engineers, and help shape the future of network testing devices. You’ll lead the development of embedded hardware systems, collaborate with cross-functional teams, and ensure reliable, high-performance solutions that power advanced networking tools used worldwide.

Jobot

$250000 - $350000

Amarillo, TX

Operating at the intersection of energy, advanced computing, and sustainability, the company partners with top-tier technology, engineering, and industrial leaders to shape the future of how power is produced, coordinated, and optimized for large-scale applications — including next-generation artificial intelligence workloads. Cross-Disciplinary Collaboration — Partner with internal engineering teams, external technology partners, and regulatory bodies to design and deliver scalable, high-complexity solutions across a HyperGrid-scale campus.

Jobot

$120000 - $140000

Littleton, CO

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Responsibilities: Design mechanical systems for large central cooling and heating plants, including boilers, chillers, cooling towers, pumps, large bore piping, and control systems.

Jobot

$100000 - $200000

Washington, DC

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This is a permanent role that will require you to use your knowledge and experience in air distribution, ventilation, automation, controls, design, development, construction, QA, QC, LEED, BD+C, ASHRAE, and other related areas.

Jobot

$60000 - $90000

NEW KENSINGTN, PA

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. 3. Maintain relationships with existing clients and build relationships with potential clients by providing exceptional customer service and technical support.

Iconma

Foster City, CA

CAN & Network Debugging:Analyze CAN bus traffic (using Vector CANalyzer, PCAN, or similar) to identify missing messages, error frames, or bus load issues causing system dropouts. Lead the investigation of critical failures on the R&D fleet, specifically targeting High Voltage (HV) isolation faults, Powertrain inverters/motors, and Chassis control systems.

Iconma

Palo Alto, CA

Lead the cross-functional effort to root cause non-compliance test results during validation cycles by leveraging data analysis to identify and address underlying issues. Lead the execution of validation test plans according to project milestones (DVP&R, PVP&R) to ensure the reliability of the design for mass production.

Iconma

Foster City, CA

Lead deep-dive investigations into novel failure modes using root cause analysis methodologies like 7-Step or 8D (8 Disciplines) problem solving techniques. Requirements:BS or MS in Computer Engineering, Electrical Engineering, Computer Science, or related fields with a minimum of 2+ years of relevant industry experience.

Jobot

$115000 - $170000

Detroit, MI

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are seeking a Senior Mechanical Engineer with deep expertise in controlled environments to lead the design of advanced HVAC and mechanical systems for highly regulated and mission-critical spaces.

GCR Professional Services

Huntsville, AL

This role requires proficiency with laboratory test equipment including oscilloscopes, multimeters, power supplies, and logic analyzers, along with the ability to interpret schematics, PCB layouts, and design documentation to verify proper power sequencing, voltage rail integrity, and signal paths. This position demands excellent documentation practices, clear communication with cross-functional teams including test engineers and firmware developers, and a methodical approach to hardware validation that ensures boards are properly characterized and ready for firmware integration.

Jobot

$100000 - $180000

Alameda, CA

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G&W Electric

$98872 - $128577

Chicago, IL

5+ years progressive experience in Engineering design and/or development to include Experience working on highly technical and innovative projects with demonstrated ability to be constantly challenged with new problems. Our continuous focus on growth and innovation means that you become part of a company that provides challenging opportunities, rewards excellence and combines your individual expertise to achieve a higher level of shared success.

NSI INDUSTRIES

$1

Huntersville, NC

NSI Industries is currently seeking a Product Electrical Mechanical Engineer - Quality whose primary responsibility is to test, validate and certify products and provide sustaining support for those products. Product sustainability includes agency and environmental certification, ERP/Amplify support, design and testing input working closely with Product Management and Marketing throughout the process.

Jobot

$85000 - $120000

Irving, TX

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Based in Dallas, TX with we are a TOP Ranked Design, Architecture, and Engineering firm working on some of the nations top restaurant, retail, commercial, workspace and entertainment projects!