Top Mechanical Design Engineer Jobs in Denver & Boulder, CO

Design and generate detailed spacecraft structural components and drawings, interface with structural and thermal analysis teams, support fabrication, assembly, test and verification, track cost/schedule and engineering changes, and coordinate with subsystem, customer, payload, and launch providers throughout proposal and program phases.

Design and produce detailed spacecraft structural components and drawings from proposal through test. Interface with structural/thermal analysis teams, oversee fabrication, assembly and testing, manage structural requirements and changes, perform CAD work and basic hand calculations, and coordinate with subsystem teams and external partners.

Lead mechanical design for spacecraft and bus from proposal through test and verification. Define mechanical requirements, produce structure and mechanism designs, perform CAD and preliminary analysis, and transition to lead teams (5–40) across design, analysis, test, and manufacturing while coordinating with cross-functional stakeholders, mentoring junior engineers, and supporting proposals for civil and military customers.

Design and produce spacecraft structural components from proposal through testing: generate CAD models and drawings, define and verify structural requirements, coordinate with analysis and other subsystem teams, support fabrication/assembly/testing, manage engineering changes, and participate in cost/schedule activities and supplier/customer interfaces.

Lead spacecraft mechanical design efforts, manage teams, define requirements, and mentor junior engineers while coordinating with various subsystems and clients.

Lead mechanical design for spacecraft structures from proposal through test and verification. Perform CAD modeling, structural analysis, requirements development, design-for-manufacturing/testing, risk management, and subcontract technical oversight. Transition to lead teams of 5-10 engineers and coordinate across subsystems, external customers, payload and launch providers while improving processes and tools.

Provide technical support for aftermarket rotating equipment, generate rerate proposals, prepare technical proposals and datasheets, assist customers with engineering issues, collaborate with internal teams, manage multiple projects, and support parts compatibility and component design. On-site in Colorado with occasional travel (<5%).

Provide technical support for Sundyne rotating equipment to Aftermarket, Spares, Field Service, and Overhaul teams. Generate rerate proposals, prepare technical datasheets and performance curves, assist end users with engineering issues, review purchase orders, coordinate vendor quotes, and manage multiple customer projects. Provide product/parts compatibility guidance and collaborate on quotations to secure orders.

Performs mechanical design, analysis, and fabrication support for complex manufacturing projects. Creates 3D models, 2D drawings, P&IDs, calculations, and NQA-1 documentation. Coordinates with manufacturing for DFM/DFA, supports procurement, develops production travelers, and oversees factory/site acceptance testing and installations. May lead small teams and contribute to standards, estimating, and continuous improvement.

The Mechanical Engineer - Hydronics will own the hydronic distribution architecture for modular data centers, focusing on design, commissioning, and serviceability of liquid-cooled systems.

Design and document machine components and assemblies using 3D CAD and 2D layouts, produce detailed drawings and BOMs, create presentations and operational manuals, support prototyping, supplier sourcing, and ensure hygienic design for food industry equipment.

Collaborate on mechanical designs for data center systems, validating performance, overseeing construction, and ensuring designs meet quality benchmarks.

The Mechanical Design Engineer III will lead the design and development of cryogenic pumps for lunar applications, collaborating with experts and managing pump life cycles.

Lead mechanical design of custom prototype equipment, gloveboxes, hot cells, and remotely operated mechanisms for hazardous/radioactive materials. Produce drawings, specifications, analyses, and documentation; coordinate across engineering, logistics, and program teams; support proposals, site investigations, testing, and design reviews; may supervise staff and ensure compliance with engineering standards and safety policies. Role may require travel and security clearance.

Senior mechanical design engineer responsible for designing and documenting semiconductor test hardware (contactors, sockets, alignment frames), performing FEA/thermal/motion analyses, supporting NPI and prototype builds, managing PDM/EC0/BOM processes, collaborating with manufacturing and suppliers, and providing technical leadership to ensure performance, reliability, and manufacturability in high-volume test environments.

Responsible for designing electric motors, from conceptualization through testing, while collaborating with interdisciplinary teams to meet performance and reliability standards.

Responsible for developing mechanical test equipment, leading design efforts, performing FEA and thermal analyses, and maintaining product documentation. Collaborates with cross-functional teams, and surveys materials and vendors for optics activities.

The role involves designing electromechanical solutions for telecom systems, focusing on mechanical designs, thermal management, and product development. Responsibilities include overseeing prototype builds, collaborating with teams, and applying best practices in engineering.

Design, update, and support spacecraft mechanical systems for Meteor/Meteorite product lines. Create CAD models, evaluate designs for requirements and manufacturability, support documentation/PLM, investigate production issues, and develop test fixtures. Participate in proposals, gate reviews, and change management processes.

Design and develop hydraulic, pneumatic, and electro-mechanical test equipment and systems to verify performance of aerospace and defense products. Create schematics, integrate components, document designs and test results, support assembly and test technicians, estimate work, and mentor junior engineers. Maintain engineering records and lead experimental development test programs.

Design and develop hydraulic, electro-mechanical, and electro-pneumatic test equipment and assemblies. Create schematics, integrate components, support assembly and test technicians, document designs and test results, estimate work, and maintain engineering records to meet cost, schedule, and performance goals for space and defense products.

Design and optimize engine mechanical systems for the Symphony jet engine, collaborating with cross-disciplinary teams and ensuring integration across aircraft systems.

Develop spacecraft motion control systems and mechanical designs, support assembly and testing, and review test data to improve mechanisms for aerospace applications.

The Mechanical Engineer II supports the design and testing of umbilical systems for the New Glenn launch vehicle, focusing on mechanical and fluid systems while managing suppliers and documentation.

Design and analyze spacecraft motion control and actuation systems and moving mechanisms (bearings, gears, motors). Produce documentation and vendor specifications, support assembly and environmental testing, review test data, and recommend design or process changes for high-reliability aerospace applications.