Mechanical Engineer
$90k - $150kBlue Water Autonomy
We are an early-stage, maritime defense technology startup backed by top tier investors. Our team is designing and building autonomous and highly producible ships that can serve multiple missions on the open ocean. Role Summary We are seeking a Mechanical Engineer to design, build, and validate the core hardware systems that enable highly reliable autonomy systems at sea. Responsibilities Develop system- and component-level requirements to ensure performance, safety, and reliability in harsh environments. Design, analyze, and test mechanical and fluid systems for autonomous maritime platforms. Build prototypes and support rapid iteration cycles from clean-sheet design through testing and deployment. Collaborate with cross-functional teams to integrate propulsion, mechanisms, and hardware systems. Conduct trade studies, tolerance analyses, and risk assessments to guide design decisions. Manage suppliers and fabrication partners to deliver components on time and on spec. Support system-level validation, field integration, and troubleshooting. Contribute to process improvements that enable faster development and more reliable hardware. Qualifications Have 3–7 years of mechanical engineering experience in aerospace, defense, robotics, or other complex hardware systems. Bring expertise in mechanical design, fluid systems, and thermal/dynamic environments Comfortable working hands-on with prototypes, test setups, and operational hardware. Excel at collaborating across engineering disciplines and leading integration efforts. Communicate clearly, balance speed with rigor, and take ownership from concept through delivery. Energized by solving practical engineering challenges in fast-moving, mission-driven environments. What We Offer Incredibly high-caliber teammates. You’ll work directly with our co-founders Rylan, Scott, and Austin. A fast-paced, creative working environment that offers a lot of room for ownership and growth. O pportunity to join a meaningful mission that protects American and our Democracy. Salary Range: $90,000-$150,000 annual base salary S tartup equity options G enerous PTO, medical, dental, and vision coverage. Final compensation will depend on experience and skill level We are an equal opportunity employer. All hiring is contingent on eligibility to work in the United States. We are unable to sponsor or transfer visas for applicants. #J-18808-Ljbffr
$107.1k - $160.7k
...our team to deliver transformational projects that will benefit future generations. Grow with us, H2O+U. Your Opportunity As a Mechanical Engineer, your role in our professional consulting services team is to work independently on multidisciplinary projects of various...SuggestedFull timeTemporary workPart timeCasual workWork at officeLocal areaFlexible hours- ...A leading consulting firm in water solutions is seeking a Mechanical Engineer to lead the design of HVAC, Plumbing, and Fire Protection systems for municipal and industrial projects. This role involves collaborating across multidisciplinary phases and ensuring design compliance...Suggested
- ...opportunities for expanded scope or services* Monitor project progress to ensure adherence to budget, schedule, and quality expectations**Engineering Design & Technical Oversight*** Design and coordinate refrigeration, HVAC, and Energy Management Systems (EMS) for new and...SuggestedTemporary workFor contractorsWork at officeImmediate start
$100k - $130k
...Mechanical Engineer Waltham, Massachusetts General Summary The Principle Mechanical Engineer role manages all aspects and phases of medical device development as part of a highly collaborative team in a fast-paced environment. Proven experience in bringing complex mechanical...SuggestedFull timeFor contractorsWork at officeNight shift$90k - $130k
...’s ok to be wrong Lead with Compassion Be Resourceful Listen Hustle Who We Are Looking For Phoenix Tailings is looking for a Mechanical Engineer II to support the design, build, and scale-up of industrial systems used in clean metals manufacturing. This role is ideal for...Suggested- A leading engineering firm in Burlington, Massachusetts is looking for a Senior Refrigeration Engineer to lead multiple refrigeration projects. Your responsibilities will include managing budgets, schedules, and client communications, while mentoring junior engineers. The...
- ...Product Development is a top innovator in product design and engineering for global manufacturability. Acorn has offices in Silicon Valley... ...to meet project objectives. Identify and perform mechanical engineering analyses. Collaborate with ID/UX teams to produce...Work at office
- ...corporate and academic clients. We are a small group of hands‑on engineers who work with our customers on complex design ideas, turning... ...collaborative team. Number of Openings: 1 General Summary The Mechanical Engineer participates in the product development process for...Work at officeNight shift
$68.9k - $131.1k
...the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead... ...Department Overview: The Air Defense Ground Equipment Mechanical Design Department is responsible for the mechanical design, development...Temporary workWork experience placementWork at officeRemote workRelocationFlexible hours- ...leading research from Harvard University and our team is backed by prominent venture capital investors. We are looking for a Mechanical Engineer to join our growing technical team and work to scale our technology. As a key member of our team, you will make a substantial...Visa sponsorship
$90.9k - $131.8k
...Your Opportunity Our Buildings team is looking for a Project Mechanical Engineer with a focus in HVAC design. You will work with direct supervision and general direction on tasks and smaller projects, and as a team member of larger projects under the guidance of a Senior...Full timeTemporary workPart timeFor contractorsFor subcontractorCasual workWork at officeLocal areaFlexible hours- ...Prattwhitney seeks a Mechanical Engineer II for our Woburn, MA location. The role involves supporting the development of transportable radar systems, ensuring adherence to industry standards and government regulations. Ideal candidates should have a degree in STEM and...Flexible hours
$68.9k - $131.1k
...the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead... ...products support US Government and international customers. Mechanical Engineer II – Onsite, Woburn, MA. Supports transportable...Relocation packageFlexible hours$134k - $165k
...Boston Dynamics, Inc. is looking for a Senior Staff Sustaining Engineer for the Stretch Actuation team in Waltham, MA. In this role, you will lead continuous improvements for actuators, conduct failure analysis, and coordinate design decision-making to enhance efficiency...- Job Description Tutor Intelligence is seeking a robot mechanical engineer to help us build the next of accessible and intelligent robot hardware. In this role, you will build robots, grippers, enclosures, auxiliary actuated devices, PCBs, etc. You will own the lifecycle...
$155k - $230k
...Boston Dynamics in Waltham seeks a Staff Software Engineer to join the Atlas team. This role involves architecting and refining the software foundation for humanoid robotics, optimizing MLOps, and delivering impactful solutions. The ideal candidate will have over 6 years...$107.5k - $204.5k
...the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead... ...Department Overview: The Air Defense Ground Equipment Mechanical Design Department is responsible for the mechanical design, development...Temporary workWork experience placementWork at officeRemote workRelocationFlexible hours$177k - $220k
...Boston Dynamics, Inc. is seeking a Senior Manager for Mechanical Engineering to lead a team in producing high-quality hardware for groundbreaking robots. This role involves overseeing robotics product systems, collaborating on design challenges, and utilizing advanced...$177k - $220k
...Dormont Manufacturing Co is seeking a skilled Senior Mechanical Engineering Manager to lead a team focused on producing high-quality hardware for cutting-edge robotics technology. The ideal candidate will have extensive experience in mechanical engineering and a record...- ...commercializing energy technologies. If you are searching for the best new ideas and share our vision, join us as a Senior Mechanical Design Engineer . This is what you need to know: Salary: Highly Competitive Plus Benefits Contract: Permanent, full time Reporting to:...Permanent employmentFull timeContract workLocal area
- ...Job Description Job Description We are seeking a highly capable Senior Mechanical Design Engineer (contract/temporary)to support ongoing product development and improvement efforts. This is a hands-on, execution-focused role centered on improving existing designs,...Contract workTemporary work
- A leading life sciences organization located in Massachusetts is seeking an experienced facilities leader to act as the Subject Matter Expert (SME) for critical systems across multiple sites. Ideal candidates will possess a strong background in HVAC systems within regulated...
$112k - $150k
A global leader in technical consulting is seeking a Mechanical Engineer III for their Burlington, Massachusetts office. In this role, you will design HVAC systems for complex facilities in the life sciences sector. Key responsibilities include conducting engineering studies...Work at office- ...and commercializing energy technologies. If you are searching for the best new ideas and share our vision, join us as a Senior Mechanical Engineer-Diagnostics and Port Space Integration . This is what you need to know: Location: Knoxville TN (Other office locations may be...Permanent employmentFull timeContract workWork at officeLocal areaRelocation package
- Berkshire Grey, Inc. is looking for a Senior Mechatronics and Control Engineer in Bedford, Massachusetts. This role involves working within a research and development team to design robust integrated systems, ensuring manufacturability and performance. The ideal candidate...
- The Senior Mechatonics and Control Engineer will work directly as a member of a research and development team, applying their expertise... ...motion‑control systems with sensors, actuators and complex mechanisms. Experience designing systems that are used in industrial settings...Contract workWork experience placement
$95.3k - $128k
...Job Description The incumbent will design mechanical systems as part of the development of new products related to the test and measurement... ...General responsibilities Support and mentor junior mechanical engineers; Collaborate with various stakeholders to resolve inter‑...$106k - $132.2k
United Cerebral Palsy of Georgia seeks a Facilities Engineering Supervisor in Watertown, Massachusetts. This role involves supervising building systems operations and a hands-on team, ensuring safety, compliance, and efficient budget management. Candidates should have over...- ...solutions in the Boston area. With the highest standards in design engineering and smart manufacturing, our team delivers disruptive... ...of patients worldwide and thrive in a growing company. As a Mechanical Engineer at Lexington Medical, you’ll design and automate highly...Full timeContract workFor contractorsFor subcontractorWork at officeImmediate startWorldwideVisa sponsorshipShift work
$85k - $100k
Lexington Medical, Inc. is seeking a Mechanical Engineer for its R&D team in Bedford, Massachusetts. This onsite role is ideal for engineers with 0-2 years of experience, offering broad ownership in the product development lifecycle. Key responsibilities include designing...
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