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Mechanical System Engineer Jobs in Colorado (NOW HIRING)

nLIGHT

Sr. Mechanical Engineer

Longmont, CO · On-site

$140K - $180K/yr

A minimum of 5+ years of experience working in opto-mechanical system design and integration. Minimum Education: Bachelor's Degree in Mechanical, Electrical or Optical Engineering, or related ...

nLIGHT

Sr. Mechanical Engineer

Longmont, CO · On-site

$140K - $180K/yr

A minimum of 5+ years of experience working in opto-mechanical system design and integration. Minimum Education: Bachelor's Degree in Mechanical, Electrical or Optical Engineering, or related ...

Crusoe

Lead Mechanical Systems Engineer - Spark

Denver, CO · On-site

$113K - $137K/yr

Liquid Cooling System Design: Own system-level design for direct-to-chip (DLC) and hydronic ... Apply core mechanical engineering principles - fluid dynamics, thermodynamics, structural mechanics ...

Crusoe

Lead Mechanical Systems Engineer - Spark

Denver, CO · On-site

$113K - $137K/yr

Liquid Cooling System Design: Own system-level design for direct-to-chip (DLC) and hydronic ... Apply core mechanical engineering principles -- fluid dynamics, thermodynamics, structural ...

Kiewit Corporation

Lead Mechanical Engineer

Lone Tree, CO · On-site +1

$109K - $131K/yr

This role supports process design, and leads mechanical system design, equipment specification, engineering analysis, and multidisciplinary coordination to deliver safe, reliable, and costeffective ...

Alvine

Mechanical Project Engineer

Englewood, CO · On-site

$90K - $115K/yr

MECHANICAL ENGINEER Looking for a career with professional growth in a close-knit, fun atmosphere ... E.) - Minimum of five years of experience in mechanical system design - Ability to work in a team ...

Alvine

Mechanical Project Engineer

Englewood, CO · On-site

$90K - $115K/yr

MECHANICAL ENGINEER Looking for a career with professional growth in a close-knit, fun atmosphere ... E.) - Minimum of five years of experience in mechanical system design - Ability to work in a team ...

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All JobsMechanical System Engineer JobsMechanical System Engineer Jobs in Colorado

Mechanical System Engineer information

See Colorado salary details

$66.8K

$116K

$159.8K

How much do mechanical system engineer jobs pay per year?

As of Sep 7, 2026, the average yearly pay for mechanical system engineer in Colorado is $115,988.00, according to ZipRecruiter salary data. Most workers in this role earn between $85,700.00 and $138,300.00 per year, depending on experience, location, and employer.

What does a mechanical system engineer do?

A Mechanical System Engineer designs, develops, and oversees the installation and maintenance of complex mechanical systems in various industries. Their work often involves integrating mechanical components with electrical and software systems to ensure the overall functionality and efficiency of machines or equipment. They may be responsible for tasks such as performing simulations, analyzing system performance, troubleshooting issues, and collaborating with multidisciplinary teams. Mechanical System Engineers play a critical role in industries like automotive, aerospace, manufacturing, and energy. Their expertise ensures that mechanical systems operate safely, reliably, and efficiently.

What are the key skills and qualifications needed to thrive as a mechanical system engineer, and why are they important?

To thrive as a Mechanical System Engineer, you need a solid background in mechanical engineering principles, system design, and problem-solving, typically supported by a bachelor's degree in mechanical engineering or a related field. Familiarity with CAD software (such as SolidWorks or AutoCAD), simulation tools, and industry certifications like PE (Professional Engineer) are often required. Strong analytical thinking, teamwork, and effective communication skills help distinguish top performers in this role. These skills ensure efficient design, implementation, and maintenance of complex mechanical systems, leading to reliable project outcomes and innovation.

What are some common challenges mechanical system engineers face when working on multidisciplinary projects?

Mechanical System Engineers often collaborate closely with electrical, software, and civil engineers on multidisciplinary projects. A common challenge is ensuring effective communication between teams, as each discipline may use different technical language and have varying priorities. Managing integration issues and aligning timelines across departments can also be demanding. To overcome these challenges, Mechanical System Engineers typically participate in regular cross-functional meetings and use collaborative project management tools to ensure alignment and successful project delivery.

What is the difference between Mechanical System Engineer vs Mechanical Design Engineer?

AspectMechanical System EngineerMechanical Design Engineer
Primary FocusDeveloping and integrating mechanical systems within larger projectsCreating detailed mechanical component and product designs
Work EnvironmentSystems integration, testing, and validation in manufacturing or engineering firmsDesign studios, CAD modeling, and prototype development
Required CredentialsBachelor's in Mechanical Engineering, relevant certificationsBachelor's in Mechanical Engineering, CAD certifications

Mechanical System Engineers focus on integrating and managing entire mechanical systems, while Mechanical Design Engineers concentrate on designing specific components. Both roles often collaborate but serve different stages of product development and system integration.

What cities in Colorado are hiring for Mechanical System Engineer jobs?

Cities in Colorado with the most Mechanical System Engineer job openings:

Mechanical System Engineer jobs near you
Infographic showing various Mechanical System Engineer job openings in Colorado as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 13% Part Time, and 4% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $115,988 per year, or $55.8 per hour.

Sr. Mechanical Engineer

nLIGHT

Longmont, CO • On-site

$140K - $180K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 28 days ago

Job description

Description
Location: Longmont, CO (onsite)
Experience: A minimum of 5+ years of experience working in opto-mechanical system design and integration.
Minimum Education: Bachelor's Degree in Mechanical, Electrical or Optical Engineering, or related technical field.
Compensation: $140,000-$180,000 depending on experience.
Who We Are
nLIGHT-DEFENSE Systems, Inc. is one of the nation's leading developers of Directed Energy systems, which is a top modernization priority of the Department of Defense. Our High Energy Laser (HEL) systems, Adaptive Optical (AO) systems, and Acquisition / Pointing / Tracking (APT) solutions are designed to overcome the most difficult challenges facing the deployment of high energy laser solutions to the United States military and our allies. Located in Longmont, Colorado, nLIGHT-DEFENSE Systems, Inc. is a vertically integrated business that leverages internal capabilities - from semiconductor device through target identification - to develop systems that are both high-performance and cost-effective. We continue to invest in capabilities, facilities and technology to bring leading edge HEL solutions to the warfighter. This is a great opportunity to work at a company that is on the leading edge of the HEL industry and provides a culture of excellence and commitment to delivering solutions to the warfighter and our country.
Headquartered in Camas, Washington, nLIGHT is a publicly listed company (NASDAQ: LASR).
Summary:
Mechanical Engineers at nLIGHT DEFENSE Systems, Inc. synchronize all mechanical, thermal, and packaging aspects of design and integration for complex High Energy Laser (HEL) weapon systems. We are developing rugged and compact HEL weapon system solutions that can operate and survive in challenging environments. We utilize analysis driven design and implement elegant athermalized and vibration-rugged solutions. We need motivated Mechanical Engineers that are excited about integrating HEL weapon systems and being part of that solution.
All applicants must possess or be qualified to obtain a U.S. DoD Personnel Security Clearance. Preference will be given to candidates with an existing U.S. DoD Personnel Security Clearance. Further information on requirements to obtain a security clearance is available at: https://www.dcsa.mil/mc/pv/mbi/gicp/. Please review this information before applying.
Responsibilities:
  • Development of cutting-edge laser and electro-optical systems through rapid development of effective and robust mechanical system designs.
  • Generate robust component and subsystem designs that facilitate cost and schedule optimized solutions that meet or exceed functional design goals.
  • Collaborate with engineers and scientists across disciplines to define requirements, constraints, and analysis goals for owned components and subsystems.
  • Utilize project and configuration management tools to track and document assigned tasks.
  • Produce standards compliant engineering drawings and oversee vendor technical compliance to ensure first time quality.
  • Mentor more junior engineers and help maintain a culture of tribal knowledge transfer and continued learning.

Required Experience / Capability:
  • Commitment to Excellence. Attention to Detail. Pride in Workmanship.
  • The ideal candidate has at least 10+ years of experience working in mechanical system design and integration.
  • Expertise in Computer Aided Design (SolidWorks preferred) and working with large assemblies of highly toleranced components for manufacturing and assembly.
  • Experience breaking down larger scale system design and delegating engineering tasking to a diverse team of contributing engineers.
  • Ability to effectively manage schedule and priorities to meet mid to long-term schedule objectives.
  • Proficient in engineering analysis principles to perform hand calculations and finite element analysis to verify design requirements.
  • Expertise in fabrication and assembly drawing preparation for manufacturing, including experience with version control and change record documentation.
  • Ability to work in a dynamic and collaborative environment. Requirements change frequently and rapid-turn solutions must be developed frequently.
  • Experience using GitLab, Jira, or similar project management software.
  • Experience with system level trade studies and documenting engineering decision making.
  • Exhibit strong troubleshooting skills.

Additional Desired Experience / Capability:
  • Significant contributions to opto-mechanical or opto-electrical systems.
  • Considerable experience in complex finite element analysis and/or computational fluid dynamics.
  • Experience in thermal management systems.
  • Exposure to MIL-STD-810 design and/or testing.
  • Experience with machining, welding, composites, and/or fabrication in a production environment.

Benefits Summary:
  • 4 weeks of Paid Time Off per year
  • 11 paid Holidays
  • Employee Stock Purchase Plan
  • Tuition Assistance Program
  • Health (ACA Gold Plan), Vision and Dental Care paid by employer 100% for Employee and 75% for Dependents
  • Paid Family Leave, Short and Long Term Disability paid by employer 100%
  • Competitive 401k with company match and immediate vesting

Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability, or age. For more information about our commitment to equal employment opportunity, please see this government poster: Know Your Rights: Workplace Discrimination is IllegalIf you are an individual with a disability and need a reasonable accommodation in the application or hiring process, please contact Human Resources at [email protected]

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