42 defense jobs found

Overview Job Title: Experienced Piping Engineer Location: Arnold AFB, TN Job Family Code: O-Engineering Function/Branch: Engineering / Engineering Solutions Directorate: Engineering & Technical Support Position Type: Regular, Full-Time Pay Type: Exempt Grade : L09 (OA0915) - L10 (OA1015) Salary Range or Starting Hourly Rate : L09 : $115,000 - $157,000; L10: $134,000 - $183,500 / year Overview Beyond New Horizons, LLC (BNH) has an exciting opportunity for an experienced Piping Engineer to join the Pressure and Hazardous Material Systems (PHMS) team, part of the Engineering Solutions branch of the Test Operations and Sustainment contract at Arnold Engineering Development Complex, Arnold AFB, TN. This engineer will be working as a member of an integrated team responsible for certifying and maintaining the mechanical integrity of pressure vessels and piping systems, directly supporting the United States Air Force Test...

Overview Job Title: Early to Mid-Career Piping Engineer Location: Arnold AFB, TN Job Family Code: O-Engineering Function/Branch: Engineering / Engineering Solutions Directorate: Engineering & Technical Support Position Type: Regular, Full-Time Pay Type: Exempt Grade : L07 (OA0717) - L08 (OA0815) Salary Range or Starting Hourly Rate : L07: $77,500 - $106,500; L08: $96,000 - $131,000/ per year Overview Beyond New Horizons, LLC (BNH) has an exciting opportunity for an early/mid-career Piping Engineer to join the Pressure and Hazardous Material Systems (PHMS) team, part of the Engineering Solutions branch of the Test Operations and Sustainment contract at Arnold Engineering Development Complex, Arnold AFB, TN. This engineer will be working as a member of an integrated team responsible for certifying and maintaining the mechanical integrity of pressure vessels and piping systems, directly supporting the United States Air Force...

Amentum is a global leader in advanced engineering and innovative solutions, supporting critical missions across defense, intelligence, energy, and civilian sectors. Our people are our competitive advantage, driven by purpose, collaboration, and a commitment to delivering excellence for our customers and communities. We are currently seeking a Civil Engineer to support our Oak Ridge, TN office. The Civil Engineer is responsible for supporting the planning, design, and permitting of land development project. The role works under the direction of senior engineers and project managers while independently performing engineering design tasks, preparing construction documents, and coordinating with internal teams and external stakeholders. Responsibilities include but aren't limited to: Engineering Design & Analysis Assist in the design of site development projects, including grading, drainage, stormwater management, utilities, roadway access, and erosion and sediment...

Amentum is a global leader in advanced engineering and innovative solutions, supporting critical missions across defense, intelligence, energy, and civilian sectors. Our people are our competitive advantage, driven by purpose, collaboration, and a commitment to delivering excellence for our customers and communities. We are currently seeking a Senior Civil Engineer to support our Oak Ridge, TN office. The Senior Civil Engineer will be responsible for leading the planning, design, permitting, and execution of land development projects across commercial, industrial, and institutional sectors. This role requires technical expertise, project leadership, and coordination with clients, agencies, and multidisciplinary teams to deliver high-quality, compliant, and cost-effective site development solutions. Responsibilities include but aren't limited to: Technical & Design Leadership Lead the planning and design of site development projects, including grading, drainage,...

Senior Mechanical Engineer Amentum is a global leader in advanced engineering and innovative solutions, supporting critical missions across defense, intelligence, energy, and civilian sectors. Our people are our competitive advantage, driven by purpose, collaboration, and a commitment to delivering excellence for our customers and communities. We are currently seeking a Senior Mechanical Engineer to support our Projects . Description: As a senior-level mechanical engineer, you will serve as a technical leader responsible for the design, coordination, and delivery of building mechanical systems for industrial and government facilities. This role includes oversight of HVAC, plumbing, and piping system designs; leadership of mechanical engineering teams; and accountability for technical quality and compliance throughout the project lifecycle. The successful candidate will work closely with project management, discipline leads, and clients to deliver fully coordinated,...

Beehive Industries is dedicated to Powering American Defense by revolutionizing the design, development, and delivery of jet propulsion systems to support the warfighter. Through the integration of additive manufacturing, the company aims to meet the growing and urgent needs for unmanned aerial defense by dramatically improving a jet engine's speed to market, fuel efficiency, and cost. Founded in 2020, the company is headquartered in Centennial, Colorado, with additional facilities in Knoxville, Tennessee, Loveland Ohio, and Mount Vernon, Ohio. Beehive is committed to grow and advance the defense industrial base while manufacturing exclusively in the USA. This role will be located at our Knoxville, Tennessee facility. Role Overview Owns manufacturing engineering activities for assigned products or components throughout the product lifecycle. Leads manufacturing process development, NPI readiness, DFM/DFA collaboration, and production improvement initiatives. Serves as a...

At BWX Technologies, Inc. (NYSE: BWXT), we are People Strong, Innovation Driven. A U.S.-based company, BWXT is a Fortune 1000 and Defense News Top 100 manufacturing and engineering innovator that provides safe and effective nuclear solutions for global security, clean energy, environmental restoration, nuclear medicine and space exploration. With more than 7,800 employees, BWXT has 14 major operating sites in the U.S., Canada and the U.K. We are the sole manufacturer of naval nuclear reactors for U.S. submarines and aircraft carriers. Our company supplies precision manufactured components, services and fuel for the commercial nuclear power industry across four continents. Our joint ventures provide environmental restoration and operations management at a dozen U.S. Department of Energy and NASA facilities. BWXT's technology is driving advances in medical radioisotope production in North America and microreactors for various defense and space applications. For more information, visit...

At BWX Technologies, Inc. (NYSE: BWXT), we are People Strong, Innovation Driven. A U.S.-based company, BWXT is a Fortune 1000 and Defense News Top 100 manufacturing and engineering innovator that provides safe and effective nuclear solutions for global security, clean energy, environmental restoration, nuclear medicine and space exploration. With more than 7,800 employees, BWXT has 14 major operating sites in the U.S., Canada and the U.K. We are the sole manufacturer of naval nuclear reactors for U.S. submarines and aircraft carriers. Our company supplies precision manufactured components, services and fuel for the commercial nuclear power industry across four continents. Our joint ventures provide environmental restoration and operations management at a dozen U.S. Department of Energy and NASA facilities. BWXT's technology is driving advances in medical radioisotope production in North America and microreactors for various defense and space applications. For more information, visit...

Beehive Industries is dedicated to Powering American Defense by revolutionizing the design, development, and delivery of jet propulsion systems to support the warfighter. Through the integration of additive manufacturing, the company aims to meet the growing and urgent needs for unmanned aerial defense by dramatically improving a jet engine's speed to market, fuel efficiency, and cost. Founded in 2020, the company is headquartered in Centennial, Colorado, with additional facilities in Knoxville, Tennessee, Loveland Ohio, and Mount Vernon, Ohio. Beehive is committed to grow and advance the defense industrial base while manufacturing exclusively in the USA. This role will be located at our Knoxville, Tennessee facility. Role Overview The Systems Engineer within Sustaining Engineering is responsible for maintaining the technical integrity and performance of products as they transition into and operate within production. This role serves as a cross-functional technical...

Boston Government Services (BGS) is seeking a Specialty Mechanical Engineer to support our clients at the Y12 National Security Complex in Oak Ridge, Tennessee. 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...

Boston Government Services (BGS) is seeking a Mechanical Engineer to support our clients at the Y12 National Security Complex in Oak Ridge, Tennessee. 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...

Overview Job Title: PHMS Engineering Supervisor (INTERNAL) Location: Arnold Air Force Base, TN Job Family Code: O-Engineering Function/Branch: Engineering / Engineering Solutions Directorate: Engineering & Technical Support Position Type: Regular, Full-Time Pay Type: Exempt Grade : L09 (OA0958) Salary Range or Starting Hourly Rate : $ 102,000 - $139,500/ year Overview Beyond New Horizons, LLC (BNH) has an exciting opportunity for a highly qualified PHMS Engineering Supervisor to join the Pressure and Hazardous Material Systems (PHMS) team, part of the Engineering Solutions branch of the Test Operations and Sustainment contract at Arnold Engineering Development Complex, Arnold AFB, TN. The PHMS Engineering Supervisor will be leading an integrated team responsible for certifying and maintaining the mechanical integrity of pressure vessels and piping systems, directly supporting the United States Air Force Test Operations and...

ABOUT THE ROLE We are seeking a Mechanical Design Engineer to support our client in a direct role! This position is full-time and will be based out of Oak Ridge, TN. Responsibilities Support the design, modification, and layout of facility piping systems, performing crucial component sizing for pumps, motors, heaters, blowers, valves, and pressure vessels. Create CREO 3D models and 2D technical drawings Create, update, and redline mechanical/piping drawings, plans, and specifications, ensuring all work complies with code and industry standards. Perform pressure-drop, flow, and basic thermal calculations; assist with steady-state and transient analyses using CFD, FEA, or spreadsheet tools. Conduct pipe-stress and support-structure checks, documenting results for review, and actively participate in hazard analyses, safety reviews, and quality assurance. Prepare ROMs, equipment lists, and technical evaluations to support procurement. Get hands-on with factory...

ABOUT THE ROLE We are seeking a Specialty Mechanical Engineer to join our team supporting the DOE's Y-12 National Security Complex ! This position is full-time and will be based out of Oak Ridge, Tennessee. Responsibilities Creating design and procurement documents for specialty and first-of-a-kind equipment such as glovebox systems, furnaces, high vacuum systems, metal casting/machining equipment, etc.). Collaborating with designers to develop build-to-print design packages of custom, specialty equipment. Developing procurement documents such as equipment specifications, statements of work, and datasheets. Performing calculations and analysis associated with machine design (to include, but not limited to, finite element analysis, structural and seismic analysis, ergonomic studies, kinematic calculations and heat transfer calculations). Requirements Education & Years of Experience - Bachelor's Degree in Engineering from an ABET accredited school and 10+...

Company Description: Professional Project Services Inc. has upcoming opportunity for Mechanical Engineer III-Piping (Contract Employment for up to 12 months) position in Oak Ridge, TN. Please submit resumes via the web page link below. Professional Project Services, Inc. (Pro2Serve®) is a nationally-recognized technical and engineering services firm dedicated to providing critical infrastructure engineering services in support of our Nation's security. Pro2Serve provides solutions to improve the effectiveness and efficiency of our government and private clients. We support the defense, energy, and science markets through responsive, cost-effective execution of critical security, facilities and infrastructure, nuclear defense and nonproliferation, and environmental projects. Job Description Principle Areas of Responsibility: Piping Developing process flow diagrams, piping and instrumentation diagrams, and sequences of operations; selection and layout of...

Job Title: Explosives Engineer II Department: Engineering Reports To: Director of Engineering FLSA Status: Salary Exempt SUMMARY Will leverage their engineering knowledge and hands-on experience in the manufacturing of energetic materials to support quoting, product design, process development, and project management. The role focuses on the development of energetic materials and products, improving processes, and overseeing technical and testing requirements for large-scale defense programs. The ideal candidate will have demonstrated experience with energetic materials, preferably within the Aerospace or Defense industries, and a strong focus on safety, quality, and operational efficiency in a manufacturing environment. ESSENTIAL DUTIES AND RESPONSIBILITIES include the following. Other duties may be assigned. Evaluate and improve manufacturing processes based on operator feedback, new/improved equipment, design changes, etc., targeting safety, quality, and...

Overview Job Title: Structural Dynamics Engineer Location: Arnold AFB, TN Job Family Code: O-Engineering Function/Branch: Engineering /Engineering Solutions Directorate: Engineering & Tech Support Position Type: Regular, Full Time Pay Type: Exempt Grade : L07 (OA0720) - L08 (OA0818) Salary Range or Starting Hourly Rate (provided by HR): $73,000 - $130,000 / year Overview Beyond New Horizons, LLC (BNH) has an exciting opportunity for a Structural Engineer to join the Engineering Solutions team supporting the Test Operations and Sustainment contract at Arnold Engineering Development Complex at Arnold AFB, TN. This engineer will be working as a member of an integrated team responsible for maintaining and sustaining the United States Air Force Test Operations and Sustainment efforts. The Engineering Solutions branch performs cutting edge technology development work in support of the National Defense Strategy. Open to internal and external...

About Perseus Materials Perseus Materials is a hard tech composites startup developing next-generation processing equipment and structures for advanced materials manufacturing. We work at the intersection of materials science, structural engineering, and precision fabrication to build things that don't exist yet. Our work is defense-adjacent, technically demanding, and moves fast. We are a small team where everyone contributes directly to the product. There is real ownership, real technical challenge, and no shortage of hard problems to solve. What You'll Do You will be the structural engineering lead for composite structures and processing equipment at Perseus. That means taking a concept from napkin sketch to validated design - running hand calculations, building FEA models, selecting materials, defining layup schedules, and working directly with fabricators to make sure what gets built matches what was designed. Requirements will often be ambiguous. You will be expected...

Pro2Serve is an Equal Opportunity Employer (Minorities/Females/Disabled/Veterans). To read more about this, view the EEO is the Law poster and this EEO is the Law Poster Supplement Pay Transparency Statement Start Over with Job Search Returning Applicant? Login Now Electrical Engineer III or IV Job Code:2026-P2S-029 Location:Oak Ridge, TN Division:Engineering - 1.4.4 Duration:6 Months or more Company Description: Professional Project Services Inc. has upcoming opportunity for an Electrical Engineer III or IV(Contract employment for up to 12 months) position in Oak Ridge, TN. Please submit resumes via the web page link below. Professional Project Services, Inc. (Pro2Serve ® ) is a nationally-recognized technical and engineering services firm dedicated to providing critical infrastructure engineering services in support of our Nation's security. Using an engineering approach that is supported by an innovative software toolset, Pro2Serve provides...

Pro2Serve is an Equal Opportunity Employer (Minorities/Females/Disabled/Veterans). To read more about this, view the EEO is the Law poster and this EEO is the Law Poster Supplement Pay Transparency Statement Start Over with Job Search Returning Applicant? Login Now Electrical Engineer III or IV Job Code:2026-P2S-036 Location:Knoxville Division:Engineering - 1.4.4 Duration:Direct Hire Company Description: Professional Project Services Inc. has upcoming opportunity for an Electrical Engineer III pr IV(Direct Hire) position at regional office in Knoxville, TN. Please submit resumes via the web page link below. Professional Project Services, Inc. (Pro2Serve ® ) is a nationally-recognized technical and engineering services firm dedicated to providing critical infrastructure engineering services in support of our Nation's security. Using an engineering approach that is supported by an innovative software toolset, Pro2Serve provides solutions to improve...