Space Science Instrumentation Mechanical Engineer Johns Hopkins Applied Physics LaboratorySpace Science Instrumentation Mechanical EngineerLaurel, MarylandFull timeOur programs support NASA's science portfolio, including missions such as Parker Solar Probe, DART, Europa Clipper, Dragonfly, and future flagship missions, while also advancing innovative technologies and operational capabilities for Department of War and other national security space missions. We are seeking a Mechanical Engineer ready to take on new challenges as part of our team leading the design, development, integration, and delivery of spaceflight hardware for both civil space exploration and national security missions.
Mechanical Engineer Judge GroupMechanical EngineerBaltimore, MD$110,000–$150,000 / yearJDPBy providing your phone number, you consent to: (1) receive automated text messages and calls from the Judge Group, Inc. and its affiliates (collectively "Judge") to such phone number regarding job opportunities, your job application, and for other related purposes. This role combines SolidWorks‑based design work with system sizing, technical analysis, and cross‑functional engineering support.
Mechanical Engineer Intern/Co-op Fall 2026 CMTA, IncMechanical Engineer Intern/Co-op Fall 2026Arlington, VAPursuing a Bachelor of Mechanical Engineering or Architectural Engineering, preferably a sophomore (2nd year), or junior (3rd year), • Strong interest in Building Systems Mechanical Engineering, • AutoCAD and REVIT experience preferred, • Strong interpersonal and communication skills, • Proficiency with Microsoft Word and Excel, • Ability to work both independently and with a team, • Ability to work full time in our office throughout the co-op term, • Ability to travel locally for job site inspections, field work, etc. The company specializes in designing, fabricating, and installing complex HVAC, process piping, and other mechanical, electrical, and plumbing (MEP) systems—enhancing energy efficiency, reliability, and sustainability in new and existing facilities.
Mechanical Engineer II/Senior Rocket Lab USAMechanical Engineer II/SeniorSilver Spring, MD$87,000–$125,000 / yearTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Our Space Systems business designs and builds our extensive line of satellites, payloads, and their components, including spacecraft that have been selected to support NASA missions to the Moon and Mars and components used on the James Webb Space Telescope.
NewMechanical Engineer Ii/Senior Rocket Lab USAMechanical Engineer Ii/SeniorSilver Spring, MD$87,000–$125,000 / yearImportant information: FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY: To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Our Space Systems team builds everything from complete spacecraft and precision payloads to the components and subsystems that allow them to thrive in space, including solar panels, flight software, star trackers, optical systems, separation systems, radios, and more.
Mechanical Engineer/HVAC Engineer Exigent MechanicalMechanical Engineer/HVAC EngineerColumbia, Maryland7-10 Years of MEP Experience: Proven success in commercial HVAC systems design and energy engineering, with deep expertise in mechanical, plumbing, and fire protection systems. Lead the mechanical engineering and energy optimization initiatives across Exigent's portfolio, focusing on commercial HVAC systems design and building performance enhancement.
Mechanical Engineer Johns Hopkins Applied Physics LaboratoryMechanical EngineerLaurel, MarylandFull timeAs a member of the Sensor Systems Engineering group, you will be working with teams of passionate engineers and scientists who design, analyze, and test systems for the Air and Missile Defense Sector. 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.
Sr. Mechanical Engineer Design HireSr. Mechanical EngineerBaltimore, MarylandThis role is focused on mechanical building systems, construction documentation, design coordination, and project support using Revit and AutoCAD. Mechanical engineering or mechanical design experience for commercial, institutional, educational, healthcare, government, or similar facility projects.
Mechanical Engineer HDR, Inc.Mechanical EngineerArlington, VAOur eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute. At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day.
Senior Mechanical Engineer-Rail & Transit Facilities Burns BrandSenior Mechanical Engineer-Rail & Transit FacilitiesWashington, District of ColumbiaPerforms specific engineering studies and design analyses and Assists the Project Manager with establishing budgets, preparing cost estimates, developing project schedules, and supporting the development of proposals and client presentations. Burns is a nationally respected provider of specialized engineering services, bringing highly-technical, sought-after engineering expertise to complex transportation and critical infrastructure projects.
Marine Mechanical Engineer (Propulsion), Journeyman THOR Solutions, LLCMarine Mechanical Engineer (Propulsion), JourneymanBaltimore, MD$80,000–$110,000 / yearFounded in 2009, THOR Solutions, LLC (THOR) is a rapidly growing Center for Veteran’s Excellence (CVE) verified Service-Disabled Veteran-Owned Small Business (SDVOSB) providing mission critical support across the Department of Defense, Department of Homeland Security, federal civilian agencies and commercial maritime industry, worldwide. Research and develop ship propulsion systems, to include, but not limited to: diesels, gas turbines, diesel-electric systems, propellers, rudders, thrusters, gears, shafts, bearings, seals, noise, vibration, and interfaces with dynamic positioning systems, and apply to applicable design and requirements.
Marine Mechanical Engineer (Auxiliary), Journeyman THOR Solutions, LLCMarine Mechanical Engineer (Auxiliary), JourneymanBaltimore, MD$80,000–$110,000 / yearFounded in 2009, THOR Solutions, LLC (THOR) is a rapidly growing Center for Veteran’s Excellence (CVE) verified Service-Disabled Veteran-Owned Small Business (SDVOSB) providing mission critical support across the Department of Defense, Department of Homeland Security, federal civilian agencies and commercial maritime industry, worldwide. Provide technical support and documentation design, develop, and evaluate the operation of marine vessels, ship machinery, and related equipment, to include, but not limited to: auxiliary systems, hydraulics weight handling equipment, rudders, piping, pumps, valves, and HVAC, and apply to applicable design and requirements.
Senior Mechanical Engineer II Rocket Lab CorporationSenior Mechanical Engineer IISilver Spring, MD$114,000–$172,000 / yearTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Our Space Systems team builds everything from complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space, like solar panels, flight software, star trackers, optical systems, separation systems, radios, and more.
Senior Mechanical Engineer I Rocket Lab CorporationSenior Mechanical Engineer ISilver Spring, MD$100,000–$137,000 / yearTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Our Space Systems team builds everything from complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space, like solar panels, flight software, star trackers, optical systems, separation systems, radios, and more.
Mechanical Engineer (Senior, 8+ Yrs Experience) - $140K – $200K RCT SystemsMechanical Engineer (Senior, 8+ Yrs Experience) - $140K – $200KBaltimore, Maryland$140,000–$200,000 / yearRCT Systems PSD supports hybrid (remote/in-office) and flexible work schedules; however, candidates must reside within (or be willing to relocate to) commuting distance of our Baltimore, MD facility. Minimum Requirements: United States Citizenship, or pre-authorized government-issued clearance to work with sensitive U.S. government information, is required due to US Government ITAR program restrictions.
2026 Graduate - Mechanical-Fluids Analysis Engineer, Shipboard Systems Team Johns Hopkins Applied Physics Laboratory2026 Graduate - Mechanical-Fluids Analysis Engineer, Shipboard Systems TeamLaurel, MarylandFull timeAdditionally, you will work with a multidisciplinary team that supports our sponsors in developing advanced analysis methods for deployed systems, modernizing existing Navy hardware, and integrating new weapon systems onto Navy platforms. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.
2026 PhD Graduate - Mechanical-Fluids Analysis Engineer, Shipboard Systems Team Johns Hopkins Applied Physics Laboratory2026 PhD Graduate - Mechanical-Fluids Analysis Engineer, Shipboard Systems TeamLaurel, MarylandFull timeAdditionally, you will work with a multidisciplinary team that supports our sponsors in developing advanced analysis methods for deployed systems, modernizing existing Navy hardware, and integrating new weapon systems onto Navy platforms. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.
Mechanical Engineer Cannonball Recruiting LLCMechanical EngineerAlexandria, VA$120,000–$150,000 / yearCannonball Recruiting is seeking a Mechanical Engineer with a minimum of 3 years experience to complete work in the rehabilitation of domestic water piping systems in condos and apartments including layout, specification, calculations, and cost estimating. Prepare detailed and accurate cost estimates, considering materials, labor, equipment, and overhead costs to rehabilitate domestic water systems in high rise condominiums and apartments.
Senior Mechanical Engineer I Rocket Lab USASenior Mechanical Engineer ISilver Spring, MD$100,000–$137,000 / yearTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Our Space Systems business designs and builds our extensive line of satellites, payloads, and their components, including spacecraft that have been selected to support NASA missions to the Moon and Mars and components used on the James Webb Space Telescope.
Electrical Controls Systems Engineer TheMasonGroupElectrical Controls Systems EngineerChester, MarylandIndustry Focus: Industrial Machinery | Electromechanical Equipment | Custom Automation | Robotics | Packaging | OEM Machine Building I Equipment I Chemical I Food & Bev. If you are passionate about industrial automation and electromechanical systems , this is your chance to join a stable, growth-focused company where you can make an impact every day.