C

Critical Materials Group

Mechanical Design Engineer

Full-TimeUpdated on 10/28/2026
$91k - $130k
Senior
Bachelor's
Littleton, CO, USA
In PersonOn-site in Littleton, Colorado; travel to Texas and other sites for commissioning and testing (5–10%).
Mechanical EngineeringDesign Engineering
No H1B Sponsorship
US Citizenship Required

About the job

Requirements
  • At least 5 years of experience designing mechanical systems in SOLIDWORKS, including geometric dimensioning and tolerancing.
  • Familiarity with industrial communication protocols such as Ethernet/IP and Modbus.
  • Knowledge of machine safety systems and interlocks.
  • Proficiency with programmable logic controller hardware and ladder or structured text programming; Siemens is preferred.
  • Experience with vision systems.
  • Previous experience in robotics, automation, and manufacturing.
  • Strong documentation and organizational skills.
  • Ability to lead technical efforts and guide junior staff.
  • Ability to troubleshoot and debug programming.
  • Strong verbal and written communication skills.
  • Strong teamwork and leadership capabilities.
  • Bachelor of Science or higher in Mechanical Engineering, Electrical Engineering, or a related field.
  • At least 5 years of relevant mechanical design experience in automation and controls.
  • At least 5 years of experience designing mechanical systems using SOLIDWORKS.
  • Ability to start within 3 weeks of an offer.
  • Ability to lift up to 25 pounds and work in a lab/test environment.
  • Willingness to travel to Texas and other sites for commissioning and testing efforts (5–10%).
  • U.S. citizenship is required.
Responsibilities
  • Lead the design, documentation, integration, and implementation of complex mechanical systems.
  • Generate mechanical prototype designs of products and systems, from simple to complex parts and assemblies, using SOLIDWORKS CAD.
  • Generate and maintain engineering diagrams and documentation, including architectural system diagrams, interface control documentation, and operation and maintenance manuals.
  • Specify and select sensors, safety systems, programmable logic controllers, human-machine interfaces, and communication devices.
  • Program programmable logic controllers, including Rockwell and Siemens systems, and coordinate automation and robotic integration efforts.
  • Perform detailed failure modes and effects analyses.
  • Ensure designs meet applicable safety and regulatory standards, such as NFPA 79, UL 508A, and the National Electrical Code.
  • Collaborate with other engineers during design, build, evaluation, and commissioning phases.
  • Lead mechanical troubleshooting and commissioning of robotic and automated systems.
  • Mentor and supervise junior engineers or technicians.
  • Work with energetic material processing and manufacturing technologies.
  • Participate in project engineering tasks, including report writing, technical presentations, and tracking technical deliverables.
  • Interface professionally with customers, teammates, and partners.
  • Work overtime when necessary to meet mission-critical goals and timelines.
Desired Qualifications
  • Experience with multi-station or large integrated automation systems.
  • Experience in defense, aerospace, or energetic materials industries.
  • Knowledge of SOLIDWORKS Electrical or similar software.
  • Experience in robotic arm integration.

About the company

C

Critical Materials Group

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