Top Mechanical Design Engineer Jobs in Denver & Boulder, CO

Supports senior engineers with the analysis, design, and evaluation of mechanical systems, components, propulsion, structures, and environmental systems. Collects and analyzes data, resolves routine technical problems, prepares technical documentation, and communicates findings. Collaborates with cross-functional teams to meet project goals and deadlines. Requires a related bachelor’s degree or equivalent experience and 0–2 years of experience.

Designs secondary structures and fluid panel assemblies for Blue Origin’s MK2 Crew Lander. Creates and manages CAD models, 2D drawings, assemblies, installations, MBD files, and interface control documents. Defines GD&T and tolerance stack-ups, supports manufacturability and build-plan development, participates in design trades and structural analysis, reviews drawings, improves design processes, and mentors junior engineers. The role requires collaboration with manufacturing, materials, thermal, ECLS, and other engineering teams.

Leads the design, documentation, integration, commissioning, and troubleshooting of mechanical, robotic, and automated manufacturing systems. Creates SOLIDWORKS prototypes and engineering documentation, selects controls and safety components, programs PLCs, performs FMEA, and ensures regulatory compliance. The role supports energetic materials processing, collaborates across engineering and customer teams, mentors junior staff, and contributes to project deliverables, testing, and commissioning at multiple sites.

Leads electrical design and integration for automated and robotic manufacturing systems. Designs control panels, power distribution, schematics, safety systems, PLC integrations, and electrical documentation using SOLIDWORKS Electrical. Supports mechanical CAD design, commissioning, troubleshooting, regulatory compliance, customer interfaces, and technical project delivery. Mentors junior staff and collaborates across engineering, build, testing, and commissioning activities.

Design and package modular industrial heat-pump systems for production. Responsibilities include creating 3D CAD layouts, detailed drawings, BOMs, and controlled releases; designing piping, structures, supports, and interfaces; performing engineering calculations; leading DFMA and cost-reduction efforts; coordinating suppliers and external specialists; supporting fabrication, commissioning, troubleshooting, validation, and field issue resolution.

Develop thermal-hydraulic models for scientific apparatus using ASME B31.3-2022 for installation at a research reactor. Perform steady-state and transient temperature modeling, work independently, and coordinate with EPC contractors and vendors on costs and budgets. The role is remote, part-time, and temporary, with at least four required site visits to State College, Pennsylvania. U.S. citizenship, background screening, drug-free status, and references are required.

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.

Designs mechanical and electromechanical test fixtures, tooling, and related hardware for optical networking products. Responsibilities include CAD modeling, engineering drawings, BOMs, configuration-controlled documentation, engineering analysis, tolerance studies, fabrication support, assembly, troubleshooting, validation, and deployment. The role collaborates with engineers, technicians, suppliers, and manufacturing partners to deliver reliable, manufacturable solutions throughout the product development lifecycle.

Designs and develops robotic, automated, electromechanical, and inspection equipment from requirements through production hardware. Responsibilities include mechanical and electrical design, CAD and documentation, tooling, pneumatics, motion systems, control cabinets, machine vision fixtures, prototyping, fabrication, wiring, debugging, system integration, safety certification, commissioning, and customer-site deployment. The role requires hands-on shop experience, systems-level thinking, and collaboration with software and controls engineers in an on-site R&D environment.

Designs and develops mechanical and electromechanical automation systems from concept through production. Responsibilities include robotic tooling, fixtures, frames, pneumatics, motion systems, control cabinets, machine vision hardware, manufacturing documentation, prototyping, wiring, debugging, safety certification, system integration, and customer-site commissioning. The role requires hands-on fabrication and shop experience, collaboration with software and controls engineers, and management of concurrent R&D projects.

Supports aftermarket overhaul and repair projects for Sundyne pumps and compressors. Responsibilities include customer and channel-partner technical support, troubleshooting, failure analysis, repair package development, job routing and status tracking, part compatibility, component design, proposal support, purchase-order review, and cross-functional coordination. The role is onsite in Colorado, manages multiple priorities, and may require less than 5% travel.

Supports aftermarket overhaul and repair orders for pumps and compressors by providing technical customer support, troubleshooting, failure analysis, repair packages, component selection, and engineered solutions. Coordinates job routings through manufacturing, reviews purchase orders, supports proposals and quotations, communicates status, and manages multiple customer projects. Requires collaboration across engineering, manufacturing, sales, and customer teams, with less than 5% travel.

Lead the architecture, hydraulic design, documentation, integration, manufacturing readiness, controls coordination, and commissioning of liquid-cooling and mechanical distribution systems for modular AI data centers. Own P&IDs, calculations, equipment and valve schedules, interfaces, standards, and performance validation. Collaborate with thermal, electrical, controls, manufacturing, commissioning, supply chain, OEM, and field teams to create scalable, serviceable, repeatable systems for deployment across multiple sites.

Designs, tests, and improves mechanical pump and compressor equipment. Responsibilities include pump calculations, CAD modeling, manufacturing drawings, bills of material, nonconformance resolution, quality documentation, testing, troubleshooting, design-for-manufacturing improvements, new product development, cost reduction, and project leadership. The engineer also supports equipment maintenance, trains technicians, and occasionally travels to customer or supplier sites.

Designs, tests, and improves mechanical pump and compressor equipment. Responsibilities include pump calculations, CAD modeling, assembly and manufacturing drawings, bills of material, testing, troubleshooting, nonconformance resolution, quality documentation, manufacturing process development, continuous improvement, cost reduction, and new product development. Leads projects involving budgets and schedules, supports technicians, and occasionally travels to customer or supplier sites.

Designs and develops fluid-handling, thermal, mechanical, and structural components for lunar fuel-cell power systems. Responsibilities span concept development, CAD modeling, analysis, supplier coordination, procurement, fabrication, testing, qualification, documentation, and operational support. The engineer collaborates across vehicle subsystems, manages risks and development status, creates technical documentation, and supports flight hardware throughout its lifecycle.

Leads the design, integration, construction, and commissioning of complex ground test systems for rocket engines and spacecraft. Responsibilities include fluid and structural system design, systems architecture, supplier coordination, design reviews, technical decision-making for propellant and vacuum systems, hazard assessments, HAZOP activities, risk mitigation, program alignment, and mentoring engineers. The role supports facilities in Van Horn, Texas, or Kent, Washington, with up to 25% travel from Kent.

Serves as technical authority and team leader for space-based interceptor tooling and mechanical ground support equipment. Responsibilities include requirements, CAD design, fabrication, qualification, vendor management, safety and regulatory compliance, configuration control, root-cause investigations, budgets, schedules, and production support. Leads tooling engineers, chairs design reviews, and presents to program leadership, MDA offices, and government stakeholders. Designs fixtures, lifting devices, launch equipment, transportation containers, weldments, and integration tooling while ensuring compliance with defense and aerospace standards.

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.

Designs and develops pharmaceutical drug-delivery devices and platforms using CAD, prototyping, testing, tolerance analysis, and Design for Manufacturing principles. Collaborates with internal teams, external consultants, CROs, and manufacturing partners to troubleshoot products, support design controls, build intellectual property, and transfer devices into production. Manages project budgets and timelines while serving as a technical resource for cross-functional teams.

Designs and modifies mechanical systems for spacecraft products and new mission capabilities. Develops conceptual designs, CAD models, requirements, test fixtures, and manufacturing solutions. Evaluates designs against engineering, customer, quality, and specification requirements; supports drafting, configuration management, engineering changes, proposal development, gate reviews, and production issue resolution. Collaborates with engineering, manufacturing, business development, customers, and partners while applying design-for-manufacturability principles.

Design HVAC, plumbing, process utility, and mechanical systems for biopharmaceutical and biotech manufacturing facilities, including cleanrooms. Prepare drawings, specifications, calculations, equipment schedules, and utility documentation; coordinate with architects and other engineering disciplines; support code compliance and construction administration; manage mechanical scopes across concurrent projects; contribute to quality processes and mentor entry-level staff.

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

Lead mechanical engineering evaluations for data center opportunities, assessing HVAC, cooling, chiller, CRAH/CRAC, liquid cooling, and critical equipment systems. Conduct facility due diligence, validate capacity and design assumptions, evaluate vendors and deployment risks, and provide feasibility and Go/No-Go recommendations. Support mechanical design strategies, equipment selection, commissioning, and construction readiness while partnering with engineering teams, consultants, and vendors to establish scalable standards for hyperscale and AI infrastructure.

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