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Senior Mechanical Engineer Jobs (On-site work)

134 Job Offers

Senior Mechanical Engineer
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Boston Engineering seeks a Senior Mechanical Engineer in Waltham, MA to design innovative electromechanical products from concept to production. Requires 8-10+ years in new product development, Creo/SolidWorks, and DFM expertise. Onsite role.
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Senior Building Services Engineer (Mechanical)
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Join Assystem as a Senior Building Services Engineer (Mechanical) in Bristol and support the Hinkley Point EPR programme. Requires engineering degree, nuclear or regulated industry experience, and strong coordination skills.
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Senior Mechanical Engineer
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Lead design of advanced R&D equipment for thin film processing at Commonwealth Fusion Systems in Milpitas. Requires 8+ years in mechanical design, 3D modeling (SolidWorks/NX), FEA tools, and team leadership.
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146000.00 - 210000.00 USD / Year
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Senior Staff Mechanical Engineer
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Lead mechanical engineering for satellite and aerospace systems at CesiumAstro in El Segundo. Requires 12-15 years experience in structural analysis, CAD, and product design. U.S. citizenship required.
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165000.00 - 199000.00 USD / Year
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Senior Staff Mechanical Engineer
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Senior Staff Mechanical Engineer role in Austin, TX, leading complex mechanical design, structural analysis, and testing for satellite and aerospace communication systems. Requires 12-15 years experience and U.S. citizenship or authorization.
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Senior Mechanical Engineer
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Senior Mechanical Engineer role in Westminster for U.S. citizens or protected individuals. Requires 5-8 years experience with CAD, structural analysis, GD&T, and mechanical design. Join CesiumAstro's dynamic space technology team.
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113000.00 - 136000.00 USD / Year
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Senior Staff Engineer, Mechanical & Actuated Systems (R6307)
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Shield AI seeks a Senior Staff Engineer in Seattle to design electro-mechanical and hydro-mechanical mechanisms for autonomous aircraft. Requires 10+ years of mechanism design experience, strong CAD and FEA skills, and a passion for defense technology.
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200000.00 - 310000.00 USD / Year
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Senior-Mechanical Design Engineer UK/Ireland or France Project Experience
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Egis seeks a Senior Mechanical Design Engineer in Bengaluru with 6+ years in building systems. Requires HVAC, plumbing and fire protection expertise plus ASHRAE and NFPA code knowledge.
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Senior Mechanical Engineer- Waltham
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Acorn Product Development seeks a Senior Mechanical Engineer in Waltham to lead complex electromechanical projects. Requires 8+ years design experience, SolidWorks proficiency, and robotic hardware expertise. Salary $130K-$160K.
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Senior Mechanical Engineer
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CesiumAstro seeks a Senior Mechanical Engineer in Westminster to design ruggedized avionics packaging. Requires 5+ years in thermal, vibration and stress analysis, CAD/FEA proficiency and EMI/EMC expertise. U.S. citizenship required.
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113000.00 - 136000.00 USD / Year
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Senior Staff Mechanical Engineer
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CesiumAstro seeks a Senior Staff Mechanical Engineer in Westminster to design ruggedized avionics packaging. Requires 12+ years in thermal, vibration and stress dynamics, CAD/FEA skills and U.S. citizenship eligibility.
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158000.00 - 189000.00 USD / Year
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Senior Staff Mechanical Engineer
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Lead spacecraft mechanical development at CesiumAstro in Westminster. Requires 12+ years experience, BS/MS in engineering, and proven technical leadership across full development cycles. U.S. citizenship required.
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158000.00 - 189000.00 USD / Year
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Senior Mechanical Engineer
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Egis seeks a Senior Mechanical Engineer in Abu Dhabi to supervise HVAC, plumbing, firefighting and specialty mechanical systems on complex themed projects. Requires strong commissioning, BMS integration and stakeholder management skills.
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Senior Opto-Mechanical Engineer
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Join Atom Computing as a Senior Opto-Mechanical Engineer in Boulder. Lead design of opto-mechanical subsystems for quantum computers. Requires 5-8+ years experience, SolidWorks mastery, and FEA expertise. Great benefits included.
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Senior Mechanical Engineer, Test Development Engineering
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Cricut seeks a Senior Mechanical Engineer in South Jordan to design precision test fixtures and metrology systems. Requires 10+ years in mechanical design, CAD proficiency, and calibration expertise.
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Senior Mechanical Engineer (SolidWorks)
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Senior Mechanical Engineer
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Senior Engineer - Utilities (Mechanical)
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Senior Engineer - Mechanical
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Senior Field Mechanical Engineer - Assembly - Second Shift
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110000.00 - 185000.00 USD / Year
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About the Senior Mechanical Engineer role

Discover and apply for Senior Mechanical Engineer jobs, a pivotal career path for experienced professionals who drive innovation and ensure the integrity of complex mechanical systems. A Senior Mechanical Engineer is a seasoned expert responsible for the entire lifecycle of mechanical components and systems, from conceptual design and analysis to implementation, quality assurance, and project leadership. These roles are fundamental across diverse industries, including energy, manufacturing, aerospace, automotive, and industrial processing, where they translate theoretical principles into robust, real-world solutions.

Professionals in these senior positions typically undertake a wide array of critical responsibilities. They lead the design and development of sophisticated mechanical systems, performing detailed calculations, simulations, and analyses to ensure functionality, safety, and efficiency. A core aspect of the role involves creating and reviewing technical documentation, specifications, and engineering drawings. They often oversee project timelines, manage budgets, and coordinate multidisciplinary teams, acting as the technical authority. Senior Mechanical Engineers are also heavily involved in problem-solving, troubleshooting design or operational issues, and implementing continuous improvement processes. In many positions, they ensure strict compliance with industry standards, codes, and regulatory requirements, sometimes specializing in Quality Assurance/Quality Control (QA/QC) to oversee inspections, testing protocols, and material verification.

The typical requirements for Senior Mechanical Engineer jobs reflect the high level of expertise and leadership demanded. Candidates almost universally need a Bachelor’s or advanced degree in Mechanical Engineering or a closely related field. A proven track record, often 5-10 years of progressive experience, is essential, demonstrating a deep understanding of mechanical engineering principles, materials science, thermodynamics, and fluid mechanics. Proficiency in industry-standard software like CAD (e.g., AutoCAD, SolidWorks), CAE, and project management tools is expected. Strong analytical skills, meticulous attention to detail, and the ability to manage multiple complex projects are crucial. Excellent communication and interpersonal skills are paramount for liaising with stakeholders, mentoring junior engineers, and presenting technical information clearly. A commitment to professional development, often including relevant certifications, and a focus on safety and sustainability are hallmarks of successful candidates.

Exploring Senior Mechanical Engineer jobs opens doors to roles where technical mastery meets strategic leadership. These professionals are the cornerstone of engineering projects, ensuring that mechanical systems are not only designed to specification but are also reliable, efficient, and innovative. Whether focusing on design, project management, proposals, or quality control, senior engineers play an indispensable role in advancing technology and infrastructure, making this a highly sought-after and rewarding career for experienced engineering talent.