70 mechanical systems engineer jobs at 35 companies in Ault, CO
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Mechanical Systems Engineer II
Boulder or Jefferson County
$85k-$105k/yr OnsiteFull Time
2+ YOEBachelor's in mechanical or related engineering, 2+ years mechanical engineering experience in industrial/process or pilot plant environments, proficiency with CAD and P&IDs, equipment specification, fabrication/commissioning support, strong communication.
CAD, P&ID
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Mechanical Engineer III - Thermal Systems
Centennial or Louisville
$111k-$152k/yr OnsiteFull Time
5+ YOEBachelor's in a related field (or equivalent experience), typically 5+ years engineering experience, experience as a Responsible Engineer, ability to mentor junior engineers, mechanical systems design/analysis/test experience; CAD proficiency preferred.
NX, SolidWorks, GD&T
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Mechanical Engineer II, Space Systems
Broomfield, Colorado, United States
$110k-$140k/yr OnsiteFull Time
3+ YOE3+ years designing and modeling spacecraft or payload mechanical systems; CAD and FEA proficiency; manufacturing process knowledge; ability to create drawings, run analyses, prototype, and support integration and testing.
CAD, FEA
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Mechanical Engineer
Longmont, Colorado, United States
$96k-$130k/yr OnsiteFull Time
3+ YOE3+ years in opto-mechanical system design and integration; BA/BS in mechanical, electrical or optical engineering; ability to obtain DoD security clearance.
SolidWorks, GitLab, Jira, MATLAB, LabVIEW
4w
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Mechanical Engineer
Longmont or Greenville
$80k-$110k/yr HybridFull Time
5+ YOEBachelor's in mechanical engineering, 5+ years designing steam valve actuators, HPUs, manifolds and control systems; proficiency in CAD tools and instrumentation; strong analytical and communication skills.
AutoCAD Electrical 2020, AutoCAD, Autodesk Inventor, Teamcenter, SolidWorks
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Mechanical Engineer I
Longmont, Colorado, United States
$73k-$100k/yr OnsiteFull Time
B.S. in Mechanical Engineering or related field. Experience with SolidWorks, NEi Nastran, Femap; knowledge of GD&T, EPDM, and ERP systems desired. Ability to design, analyze, and document hardware for manufacture.
SolidWorks, NEi Nastran, Femap, EPDM, ERP systems
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Mechanical Engineer II (Pyrolysis)
Fort Lupton, Colorado, United States
$74k-$112k/yr OnsiteFull Time
Charm Industrial: Sequesters carbon by converting biomass residues into bio-oil.
3+ YOEBachelor’s in Mechanical Engineering, 3+ years mechanical design experience, hands-on assembly and troubleshooting, Onshape CAD, DFMA, FMEA, GD&T, electromechanical system knowledge.
Onshape
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Mechanical Engineer
Broomfield, Colorado, United States
$70k-$100k/yr OnsiteFull Time
3+ YOEBachelor's in engineering, 3+ years relevant experience, 3D CAD modeling (SolidWorks or Autodesk Inventor), engineering drawing creation, product development and manufacturing experience, ECN/Change Order knowledge; vacuum systems experience preferred.
SolidWorks, Autodesk Inventor, 3D CAD, PLM, GD&T
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Mechanical Design Engineer
Louisville, Colorado, United States
$100k-$125k/yr OnsiteFull Time
5+ YOEBachelor's in mechanical engineering, 5+ years mechanical engineering experience with 5+ years machine design; SolidWorks required; experience with fluid systems, sanitary design, automation, and NetSuite preferred; leadership and cross-functional collaboration skills.
SolidWorks, NetSuite
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Mechanical Engineer - Cheyenne, WY
Cheyenne or Omaha
OnsiteFull Time
10+ YOEUS citizen required; pass federal background review and drug screen. BS in Mechanical Engineering, 10+ years construction/engineering experience, PE preferred, USACE experience and RMS 3.0 preferred, HVAC/building systems expertise.
RMS 3.0
2mo
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Senior Mechanical Engineer Life Sciences
Broomfield or Lenexa
$105k-$135k/yr OnsiteFull Time
7+ YOEPE license, BS in Mechanical Engineering, 7+ years experience designing HVAC/plumbing/mechanical systems for complex buildings, Revit proficiency, strong communication and mentorship skills.
Revit, AutoCAD
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Facilities Mechanical Engineer
Fort Collins, Colorado, United States
$73k-$117k/yr OnsiteFull Time
5+ YOEBachelor's in Mechanical Engineering, 5+ years maintaining large industrial systems (air handlers, chillers, boilers, compressors, exhaust, utility water); strong troubleshooting, communication, and project leadership; US work authorization required.
Siemens Building Automation Systems
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Senior Facilities Mechanical Engineer
Broomfield, Colorado, United States
$97k-$165k/yr OnsiteFull Time
4+ YOEBS in engineering plus 4+ years' related experience; in-depth knowledge of facilities mechanical equipment and systems; HVAC, hydronic, plumbing, controls, DDC/BAS experience; AutoCAD/Revit and Microsoft Office proficiency; able to obtain Secret clearance.
Microsoft Office Suite, AutoCAD, Revit, DDC
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Advanced Mechanical Engineer – System Design & Product Definition - 903
Broomfield, Colorado, United States
$116k-$145k/yr OnsiteFull Time
6+ YOEBachelor's in Mechanical Engineering, 6+ years related experience, U.S. person required, strong system-level mechanical design, CAD and PLM discipline, experience with lab/installation layouts and documentation.
Onshape, Arena, PLM, CAD
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Propulsion Systems Engineer II
Berthoud, Colorado, United States
$92k-$115k/yr OnsiteFull Time
3+ YOEBachelor's in aerospace/mechanical or related, 3+ years propulsion systems experience, CAD proficiency, GD&T (ASME Y14.5), hands-on fluid/mechanical/electrical systems experience, and ability to obtain a U.S. security clearance.
Siemens NX, Windchill PLM, Ansys, CNC
2w
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Senior Engineer, Aircraft Fluid Systems
Boulder, Colorado, United States
OnsiteFull Time
8+ YOEBachelor's degree in aerospace/mechanical engineering,8+ years in aircraft systems engineering or fluid systems,strong Simulink/MATLAB/Python skills,knowledge of ECS/hydraulics,ability to work independently and communicate effectively.
Simulink, MATLAB, Python, CATIA
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Aerospace Systems Engineer I – Early Career (2026 Starts)
Kent or Seattle or Denver or Longmont or Reston or Cape Canaveral
$75k-$114k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
0+ YOEBS in engineering or technical field (recent grads eligible, start by Fall 2026); experience or internships in systems/aerospace/mechanical/electrical engineering; requirements development, test, integration, and verification skills; strong communication.
Jama, Rhapsody, Cameo
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Lead Engineer - Packaged & Mechanical Systems Product Standards and Methods
Longmont, Colorado, United States
$98k-$164k/yr OnsiteFull Time
5+ YOEBachelor's in Mechanical Engineering, 5+ years mechanical design experience, 2+ years controls experience, leadership and interpersonal skills, CAD and BOM experience, familiarity with ANSYS/SDRC I-Deas and Inventor/UG/SolidWorks.
ANSYS, SDRC I-Deas, Autodesk Inventor, Unigraphics, SolidWorks, CAD
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Project Engineer I - Mechanical
Boulder or Broomfield or Westminster or Colorado or United States
OnsiteFull Time
6+ YOEBS in engineering plus 6+ years related experience (or equivalent), demonstrated leadership, system-level thinking, cost/schedule management, and ability to obtain Top Secret/SCI with polygraph.
EVMS (Earned Value Management System)
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Building Automation Systems (BAS) Facilities Engineer II
Tempe or Irvine or Santa Ana or Lafayette
$84k-$126k/yr HybridFull Time
2+ YOEBachelor's degree (or advanced degree) and 2+ years of BAS/HVAC/electrical/plumbing/building systems experience; BAS design, installation, commissioning, and training experience; strong mechanical system knowledge.
Building Automation System (BAS), Tridium Niagara, Honeywell, Distech, CMMS, Modbus, BACnet, LonWorks
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