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720 mechanical test engineer jobs found

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HX
Apr 01, 2026
Part time
Part-Time Mechanical Test Engineer (PTC)
HX5 LLC Sandusky, OH
Mechanical Test Engineer (PTC) Aerospace/Mech Engineer II NASA Neil Armstrong Test Facility (ATF) Sandusky, OH HX5 is an award-winning provider of engineering, research and development, and technical services to clients such as NASA and the Department of Defense. Founded in 2004, HX5 is a fast-growing veteran- and woman-owned company with locations nationwide. The Test Facilities Operation, and Engineering (TFOME III) Team, which includes Troy7, Sierra Lobo, HX5, Amentum & MSM, is currently seeking a Mechanical Test Engineer specializing in Fluids and Gas to provide engineering support and leadership in the planning, design, and technical execution of engineering and technical tasks for an assigned test or facility project at the In-Space Propulsion (ISP) Test Facility within the Propulsion Test Complex (PTC) in Sandusky, Ohio. The role may be assigned to HX5 or one of the other teammate companies. The TFOME team provides engineering and technical services in the...
HX
Apr 01, 2026
Full time
Mechanical Test Engineer - ISP Exhaust System (PTC)
HX5 LLC Sandusky, OH
Mechanical Test Engineer - ISP Exhaust System (PTC) Aerospace/Mech Engineer II NASA Neil Armstrong Test Facility (ATF) Sandusky, OH HX5 is an award-winning provider of engineering, research and development, and technical services to clients such as NASA and the Department of Defense. Founded in 2004, HX5 is a fast-growing veteran- and woman-owned company with locations nationwide. The Test Facilities Operation, and Engineering (TFOME III) Team, which includes Troy7, Sierra Lobo, HX5, Amentum & MSM, is currently seeking a Mechanical Test Engineer with knowledge and experiencewith exhaust systems to provide engineering support and leadership in the planning, design, and execution of mechanical engineering and technical tasks for the exhaust system at the In-Space Propulsion (ISP) Test Facility within the Propulsion Test Complex (PTC) in Sandusky, Ohio. The role may be assigned to HX5 or one of the other teammate companies. The TFOME team provides engineering and...
HX
Apr 01, 2026
Full time
Mechanical Test Engineer (PTC)
HX5 LLC Sandusky, OH
Mechanical Test Engineer (PTC) Aerospace/Mech Engineer II NASA Neil Armstrong Test Facility (ATF) Sandusky, OH HX5 is an award-winning provider of engineering, research and development, and technical services to clients such as NASA and the Department of Defense. Founded in 2004, HX5 is a fast-growing veteran- and woman-owned company with locations nationwide. The Test Facilities Operation, and Engineering (TFOME III) Team, which includes Troy7, Sierra Lobo, HX5, Amentum & MSM, is currently seeking a Mechanical Test Engineer to provide engineering support and leadership in the planning, design, and technical execution of mechanical engineering and technical tasks for an assigned test or facility project at the In-Space Propulsion (ISP) Test Facility within the Propulsion Test Complex (PTC) in Sandusky, Ohio. The role may be assigned to HX5 or one of the other teammate companies. The TFOME team provides engineering and technical services in the aeronautics, space power,...
HX
Apr 01, 2026
Full time
Mechanical Test Engineer - ISP LOX/GOX System (PTC)
HX5 LLC Sandusky, OH
Mechanical Test Engineer - ISP LOX/GOX System (PTC) Aerospace/Mech Engineer I NASA Neil Armstrong Test Facility (ATF) Sandusky, OH HX5 is an award-winning provider of engineering, research and development, and technical services to clients such as NASA and the Department of Defense. Founded in 2004, HX5 is a fast-growing veteran- and woman-owned company with locations nationwide. The Test Facilities Operation, and Engineering (TFOME III) Team, which includes Troy7, Sierra Lobo, HX5, Amentum & MSM, is currently seeking a Mechanical Test Engineer that has knowledge and experience specifically with oxygen systems and precision cleaning standards to provide engineering support and leadership in the planning, design, and execution of mechanical engineering and technical tasks for the Liquid Oxygen (LOX) and Gaseous Oxygen (GOX) systems at the In-Space Propulsion (ISP) Test Facility within the Propulsion Test Complex (PTC) to join our team in Sandusky, Ohio. The role may be...
HX
Mar 29, 2026
Full time
Mechanical Test Engineer - ISP Fluids and Gas (PTC)
HX5 LLC Sandusky, OH
Mechanical Test Engineer - ISP Fluids and Gas (PTC) Aerospace/Mech Engineer II NASA Neil Armstrong Test Facility (ATF) Sandusky, OH HX5 is an award-winning provider of engineering, research and development, and technical services to clients such as NASA and the Department of Defense. Founded in 2004, HX5 is a fast-growing veteran- and woman-owned company with locations nationwide. The Test Facilities Operation, and Engineering (TFOME III) Team, which includes Troy7, Sierra Lobo, HX5, Amentum & MSM, is currently seeking a Mechanical Test Engineer - ISP Fluids and Gas (PTC) to provide engineering support and leadership in the planning, design, and execution of engineering and technical tasks for an assigned test or facility project at the In-Space Propulsion (ISP) Test Facility within the Propulsion Test Complex (PTC) in Sandusky, Ohio. The role may be assigned to HX5 or one of the other teammate companies. The TFOME team provides engineering and technical services in...
HX
Mar 29, 2026
Full time
Mechanical Test Engineer - ISP LH2/GH2 System (PTC)
HX5 LLC Sandusky, OH
Mechanical Test Engineer - ISP LH2/GH2 System (PTC) Aerospace/Mech Engineer II NASA Neil Armstrong Test Facility (ATF) Sandusky, OH HX5 is an award-winning provider of engineering, research and development, and technical services to clients such as NASA and the Department of Defense. Founded in 2004, HX5 is a fast-growing veteran- and woman-owned company with locations nationwide. The Test Facilities Operation, and Engineering (TFOME III) Team, which includes Troy7, Sierra Lobo, HX5, Amentum & MSM, is currently seeking a Mechanical Test Engineer with knowledge and experience of hydrogen systems to provide engineering support and leadership in the planning, design, and execution of mechanical engineering and technical tasks for the Liquid Hydrogen (LH2) and Gaseous Hydrogen (GH2) systems at the In-Space Propulsion (ISP) Test Facility within the Propulsion Test Complex (PTC) in Sandusky, Ohio. The role may be assigned to HX5 or one of the other teammate companies. The...
AS
Apr 26, 2026
Full time
Sr Project Engineer
$120,000 - $150,000 yearly
Associates Systems LLC Springfield, NJ
Sr Project Engineer-Nuclear Accountable to plan, direct, manage and coordinate all engineering functions related to design, and development of fluid flow components specifically exposure to valve design in nuclear industry and modifications of existing product line for manufacturing and customer requirements. Support design, production, planning, quality, delivery schedule and other company functions to enable successful production. BSME or related Degree. A PE License is a plus. Additional schooling - master's degree in mechanical engineering is preferred. Valve design and electrical component training is a definite plus. Five years' design experience of fluid flow components including minimum three years of valve design in nuclear industry, with a demonstrated ability to design develop and prove new concepts and modification of existing products. General knowledge of ASME Section III Codes, ASME/ASTM material for valves in Nuclear Industry and awareness with some...
DG
Apr 26, 2026
Full time
Mechanical Engineer III (Utilities & HVAC)
Dennis Group Salt Lake City, UT
Job Summary Dennis Group's Mechanical Engineers design and implement mechanical systems as part of a broad engineering and architectural team in designing and building food and beverage production facilities. Specifically, HVAC, plumbing / utility, and fire suppression systems. Our mechanical team is involved with designing the mechanical systems, calculating space heat and cooling loads, determining and selecting equipment sizes, and vetting and selecting suitable vendors, suppliers, and sub-contractors. Mechanical Engineers will have technical responsibility for scoping, performing, and delivering multiple concurrent project assignments. You will be a member of our mechanical department and your responsibilities will include, but not be limited to: Responsibilities Work independently on projects Work several projects simultaneously Execute all tasks necessary to complete the engineering on a project from design through execution Perform heating and cooling load...
NV
Apr 26, 2026
Full time
Mechanical Commissioning Engineer
NV5 Arlington, VA
Overview NV5 is a nationally recognized engineering firm with 3,000 employees and 100 offices worldwide. The Building Technologies division has provided Commissioning, Retro-Commissioning, Monitoring-Based Commissioning and Energy Audits to clients nationwide and internationally for over 28 years. NV5 is currently seeking a Mechanical Commissioning Engineer for in the Arlington, Virginia office. The successful candidate will be self-motivated with an understanding of building MEP systems design, operation, commissioning, and construction. The candidate will participate in the demonstration and documentation of the performance of the Building Systems, LEED process, troubleshooting analysis, facility condition assessment and energy conservation measure surveys, under the umbrella of commissioning, retro-commissioning, and re-commissioning. Responsibilities Work closely with Senior Commissioning Engineers and Project Managers (PM) for technical review and guidance. Using...
CS
Apr 26, 2026
Full time
Mechanical Automation Engineer II
CommScope, Inc. Shakopee, MN
How You'll Help Us Connect the World As a Mechanicial Automation Engineer II, you will be part of our Automation Team responsible for designing and building custom automation equipment for manufacturing CommScope's fiber optic products. You will work closely with manufacturing sites to design custom manufacturing equipment to improve quality, increase capacity, and reduce manufacturing costs. This position is based in Shakopee, Minnesota. Join a tight-knit automation team that values curiosity, collaboration, and continuous improvement. Responsibilities Development • Produce creative concepts for machines and tooling designs to improve quality, cycle time, and reduce manufacturing costs • Demonstrate innovation through unique ideas and propose them to the team. • Deliver new concepts through brainstorming machine designs, component research, hands-on bench testing, and feasibility testing • Develop, build, and test semi-automated equipment for fiber optics manufacturing •...
CS
Apr 26, 2026
Full time
Staff Mechanical Automation Engineer
CommScope, Inc. Shakopee, MN
How You'll Help Us Connect the World As a Staff Mechanical Automation Engineer, you will be part of our Automation Team responsible for designing and building custom automation equipment for manufacturing CommScope's fiber optic products. You will work closely with manufacturing sites to design custom manufacturing equipment to improve quality, increase capacity, and reduce manufacturing costs. This position is based in Shakopee, Minnesota, while supporting our global manufacturing facilities. Join a tight-knit automation team that values curiosity, collaboration, and continuous improvement. Responsibilities Development Conduct feasibility studies, cost analyses, and risk assessments for new automation projects. Design and propose innovative machine and tooling concepts to improve quality, reduce cycle time, and lower manufacturing costs. Generate and present creative ideas to the team, fostering a culture of innovation. Deliver new concepts through brainstorming,...
FP
Apr 26, 2026
Full time
Senior Staff Engineer - Structural
$75,000 - $90,000 yearly
French & Parrello Wall Township, NJ
French & Parrello Associates (FPA) is seeking a Senior Staff Engineer for our Structural Department in Wall or Newark, NJ. Responsibilities Perform structural analysis and design for building systems including steel, concrete, masonry, and wood structures. Prepare structural calculations, technical reports, and supporting design documentation. Assist with the preparation of construction documents including drawings, specifications, and details. Coordinate structural design with other internal disciplines including civil, mechanical, electrical, and architecture. Review shop drawings and respond to RFIs during construction. Assist with field observations and site visits to evaluate existing structures and construction progress. Support project managers with scheduling, coordination, and technical deliverables. Ensure designs meet applicable building codes, standards, and industry best practices. Participate in internal design reviews and quality control processes....
AF
Apr 26, 2026
Full time
Test Engineer III
$110,000 - $140,000 yearly
Amro Fabricating Corporation Mukilteo, WA
SUMMARY The Development & Test Engineer's role is to develop, test, and deploy aerospace and defense mechanical products and systems as a member of a multi-disciplinary team. The primary focus of this position is the development, design verification testing, and demonstration of advanced technologies in support of military and aerospace programs. The Development & Test Engineer III assists in all phases of a program including conceptual level design and analysis, proof-of-concept, prototype hardware design, fabrication, system testing, and full-scale system development. ABOUT US Karman Space & Defense provides concept-to-production solutions for mission-critical systems on spacecraft, launch vehicles, missiles, hypersonics, and integrated defense systems. We believe that solving the industry's most complex and mission-critical challenges requires relentless determination and a willingness to push the boundaries of possibility. Karman Space & Defense brings to...
AF
Apr 26, 2026
Full time
Development Engineer III
$110,000 - $140,000 yearly
Amro Fabricating Corporation Mukilteo, WA
SUMMARY The Development Engineer's role is to develop, test, and deploy aerospace and defense mechanical products and systems as a member of a multi-disciplinary team. The primary focus of this position is the development, design verification testing, and demonstration of advanced technologies in support of military and aerospace programs. The Development Engineer III assists in all phases of a program including conceptual level design and analysis, proof-of-concept, prototype hardware design, fabrication, system testing, and full-scale system development. ABOUT US Karman Space & Defense provides concept-to-production solutions for mission-critical systems on spacecraft, launch vehicles, missiles, hypersonics, and integrated defense systems. We believe that solving the industry's most complex and mission-critical challenges requires relentless determination and a willingness to push the boundaries of possibility. Karman Space & Defense brings to bear unparalleled...
Ra
Apr 26, 2026
Intern
Mechanical Engineering Intern
Rainmaker El Segundo, CA
Rainmaker is pioneering a modern cloud seeding system to solve water scarcity and inclement weather problems. We develop and incorporate radar validation, weather-resistant UAS, numerical weather modeling, and sustainable cloud seeds into an effective precipitation enhancement solution. The Engineering team at Rainmaker works on our UAS, dispersion payload, and in-situ/remote sensing systems. If you are interested in working in an extremely innovative and fast paced environment, where your work directly makes an impact and difference in our operational system, this is a fantastic opportunity. In this role you will be reporting directly to the Lead Mechanical Engineer and will be working on mission critical subsystems for our UAS platform. What You'll Do Rapid Hardware Prototyping: Design and build functional prototypes for UAS subsystems, iterating quickly based on flight test feedback and mission requirements.> Test fixture design: Help conceptualize, design,...
BW
Apr 26, 2026
Full time
Mechanical Engineer II
$85,000 - $95,000 yearly
Barry-Wehmiller Spokane, WA
About Us: Alliance Machine Systems International, LLC is a privately held company with over 35 years of history dedicated to providing corrugated box manufacturing machines and services to the changing industry. As the paperboard packaging industry's premier global supplier of productivity-enhancing process machinery and systems, we supply innovative designs, intelligent automation, and optimized workflow, coupled with highly responsive parts and service support. Our United States and Europe based engineering, manufacturing, sales and service operations provide a global support system covering the full product portfolio of Alliance, Serco, TEI, ASC, Pallmac, J&L and Tanabe machines. Barry-Wehmiller is a diversified global supplier of engineering consulting and manufacturing technology for the packaging, corrugating, sheeting and paper-converting industries. By blending people-centric leadership with disciplined operational strategies and purpose-driven growth, Barry-Wehmiller...
TC
Apr 26, 2026
Full time
Distribution Engineer I
TRC Companies, Inc. Raleigh, NC
About Us Groundbreaker. Game changer. Pioneer. TRC has long set the bar for clients who require more than just engineering, combining science with the latest technology to devise innovative solutions that stand the test of time. From pipelines to power plants, roadways to reservoirs, schoolyards to security solutions, clients look to TRC for breakthrough thinking backed by the innovative follow-through of an industry leader. TRC's professionals work with a broad range of commercial, industrial and government clients and the communities they serve. We deliver breakthrough solutions that address local needs -- so our clients can better succeed in an ever-changing world. Working at TRC means tackling interesting, meaningful projects. We pride ourselves on our collaborative spirit, entrepreneurial zeal and agile corporate structure. We recognize that the expertise of our staff is our strongest asset, so we generously reward employees for successful performance and invest in their...
Li
Apr 26, 2026
Full time
Sr. Design Engineer
$102,000 - $106,000 yearly
Lippert Chicago, IL
Overview Who We Are: Lippert is a leading, global manufacturer and supplier of highly engineered products and customized solutions, dedicated to shaping, growing and bettering the RV, marine, automotive, bus, railway, commercial vehicle and building products industries. We combine our strategic manufacturing capabilities with the power of our winning team culture to deliver unrivaled customer service, award-winning innovation and premium products to all of our customers. Why We are Different: At Lippert, Everyone Matters. This is not just a tagline or empty promise; it is who we are. We have intentionally created a culture that values and celebrates our team members' unique and varied backgrounds, perspectives, and experiences. We strive to give our team members a deeper sense of purpose at work, and we continue to build a better work environment by aligning our cultural and business strategies with the needs of our team members. What You will Get: A unique, inclusive...
LA
Apr 26, 2026
Full time
Engineer 3/4 (R&D Engineer)
$128,000 - $215,900 yearly
Los Alamos National Laboratory Los Alamos, NM
Description Job Title Engineer 3/4 (R&D Engineer) Location Los Alamos, NM, US Organization Name AOT-RFE/Accelerator Operations and Technology Division Radio Frequency Engineering Minimum Salary Maximum Salary What You Will Do The Accelerator Operations and Technology Division (AOT), Radio Frequency Engineering (RFE) group is seeking an R&D Engineer Level 3 or Level 4 for their 201 MHz HPRF team. The AOT division maintains, operates, and upgrades all accelerator systems used at the Los Alamos Neutron Science Center (LANSCE) complex. These consist of two 750-keV Cockcroft-Walton-based injector systems (H+ and H- systems), a 201.25-MHz drift-tube linear accelerator (LINAC) utilizing high-power diacrode tubes, an 805-MHz coupled cavity LINAC utilizing high-power klystrons as the primary power source, a proton storage ring, and roughly a kilometer of beam transport lines that deliver beam to the five independent research programs. The RFE group is principally...
LA
Apr 26, 2026
Full time
Target Fabrication Post Bachelor Engineer
Los Alamos National Laboratory Los Alamos, NM
Description Job Title Target Fabrication Post Bachelor Engineer Location Los Alamos, NM, US Organization Name MST-7/Engineered Materials Minimum Salary Maximum Salary What You Will Do You will work independently and as a member of the Target Fabrication and Engineering Team in the Engineered Materials Group, MST-7. As a member of a team of skilled professionals your primarily responsible will be for the engineering, design, and development of target fabrication technologies. Work will include daily guidance meetings to prioritize development tasks and work independently to push development on metrology or robotic handling needs. Some work will include miscellaneous development projects appointed by Senior Engineers. Post Bachelor Engineer: Be assigned development tasks to research and investigate, writing a report CAD design of assigned projects to help engineers Routine Assembly Operations What You Need Minimum Job Requirements: Working...
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