Boston Government Services, LLC. (BGS) has created this Evergreen Talent Pool post for gathering qualified candidates for a position relating to Mechanical Engineer to support the Advance Energy Business Unit at our corporate office in Oak Ridge, TN. BGS is an engineering, technology, and security firm helping to advance missions of national importance for government programs, national laboratories, national security facilities, nuclear operations, and complex projects. We support clients at every stage, from strategic planning and program management to the execution of engineering and technical activities. We work to attract and retain the best talent because the best talent delivers the best results for our clients. Our capabilities are based on our experience in complex, secure, and highly regulated environments. We leverage our experience and capabilities to provide mission-driven solutions tuned to our client's mission needs and strategic direction. Work that Matters. People that Matter More. At BGS, we believe meaningful work starts with great people. We foster a culture built on respect, collaboration, and accountability—where employees are empowered to contribute ideas, grow professionally, and make an impact. We care about our employees’ well-being through competitive benefits, clear expectations, and an environment that values both excellence and connection. If you align with BGS’ company values and culture, we would love for you to explore opportunities to join our growing team by checking out the job description below! Responsibilities: * Design and develop high-temperature molten salt vessels, furnaces, and other custom mechanical equipment. * Create mechanical designs, engineering calculations, fabrication drawings, and technical documentation. * Support equipment fabrication, testing, installation, and commissioning activities. * Collaborate with multidisciplinary engineering teams to develop innovative mechanical solutions for complex process systems. * Ensure designs comply with applicable engineering standards, DOE requirements, and industry codes. * Support engineering reviews, troubleshooting, design improvements, and continuous process optimization. Minimum Qualifications: * Bachelor's degree in Mechanical Engineering or a related engineering discipline. * Experience with high-temperature molten salt vessels and/or furnace design. * Experience in custom equipment design and fabrication. * Knowledge of mechanical design principles, materials, and manufacturing processes. * Strong problem-solving, communication, and technical documentation skills. * Must be a U.S. Citizen. * Successful drug screening. * Must be eligible to obtain and maintain a security or clearance badge. Preferred Qualifications: * Experience supporting Department of Energy (DOE), nuclear, national laboratory, or other highly regulated environments. * Experience designing equipment for high-temperature process, thermal, or metallurgical applications. * Proficiency with 3D CAD software such as SolidWorks, Inventor, Creo, or similar. * Professional Engineer (PE) license or Engineer-in-Training (EIT) certification is a plus. * Ability to obtain and maintain a DOE security clearance, if required. Location/Work Arrangement: * Schedule is full-time, Monday – Friday 40-hour week. * This position is Hybrid in Oak Ridge, TN, or Remote. Benefits: BGS offers a competitive total compensation package to eligible employees. Benefits include Health, Dental, Vision, Life Insurance, Paid Vacation, 401K, Long and Short-Term Disability. EEO: BGS is an Equal Opportunity/Affirmative Action employer. All qualified applicants are encouraged to apply and will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, or protected veteran status. Exclusive Agreement Disclaimer: BGS has standing contracts with federal agencies throughout the United States. We require an affirmative exclusive agreement to represent all candidates to our clients. By submitting this application, you are consenting to allow BGS to represent you as a candidate for the role in which you are applying. Schedule is full-time, Monday – Friday 40-hour week. This position is Hybrid in Oak Ridge, TN, or Remote.