Mechanical Design Engineer

Critical Materials Group•Littleton, CO

1d•$91,000 - $130,000•Onsite

About The Position

Critical Materials Group (CMG) is hiring an experienced Mechanical Design Engineer to join an integrated team developing and scaling energetic manufacturing and processing systems, including remotely operated and fully automated production lines. The role leads the design, documentation, integration, and implementation of mechanical systems, and contributes throughout design, build, evaluation, commissioning, and testing. The position involves work with energetic material processing and manufacturing technologies, customer and partner interaction, and mentoring junior engineers or technicians. The role is based in Littleton, Colorado, requires U.S. citizenship, and includes 5–10% travel to Texas and other sites for commissioning and testing. Candidates must be able to start within three weeks of an offer and work overtime when necessary to meet mission-critical goals and timelines.

Requirements

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 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 PLC hardware and ladder or structured text programming.
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.
Excellent verbal and written communication skills.
Strong teamwork and leadership capabilities.
U.S. citizenship.
Ability to start within three 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 (5–10%).
Ability to work overtime when necessary.

Nice To Haves

Siemens PLC experience is preferred.
Experience with multi-station or large integrated automation systems.
Experience in the defense, aerospace, or energetic materials industries.
Knowledge of SOLIDWORKS Electrical or similar software.
Experience in robotic arm integration.

Responsibilities

Lead the design, documentation, integration, and implementation of complex mechanical systems.
Create CAD prototype designs of products and systems, from individual parts to complex assemblies, using SOLIDWORKS.
Generate and maintain engineering diagrams and documentation, including system architecture diagrams, interface control documentation, and operation and maintenance manuals.
Specify and select sensors, safety systems, PLCs, HMIs, and communication devices.
Program PLCs, including Rockwell and Siemens systems, and coordinate automation and robotic integration.
Perform detailed failure modes and effects analysis (FMEA).
Ensure designs comply with applicable safety and regulatory standards, such as NFPA 79, UL508A, and NEC.
Collaborate with engineers through design, build, evaluation, and commissioning.
Lead troubleshooting and commissioning of robotic and automated systems.
Mentor and supervise junior engineers or technicians.
Work with energetic material processing and manufacturing technologies.
Contribute to project engineering tasks, including report writing, technical presentations, and tracking technical deliverables.
Interface professionally with CMG customers, teammates, and partners.
Work overtime when necessary to meet mission-critical goals and timelines.