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29 principal engineer jobs found

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Onsite principal engineer Colorado
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BL
Oct 17, 2025
Full time
Principal Engineer
BSA LifeStructures Denver, CO, USA
Are you a Licensed Electrical Engineer passionate about creating inspired solutions that improve lives? BSA, a 100% employee-owned firm, is looking for talented individuals like you to join our team. Contribute to transformative healthcare projects while playing a pivotal role in business development and fostering client relationships. What You'll Do: Project Collaboration and Design Leadership Partner with Senior Engineers and a team of experts to drive the engineering design and planning process. Engage clients throughout all project phases using innovative processes and tools. Lead the creation of engineering presentations, process documentation, and working drawings. Present designs to clients and committees, addressing feedback and modifications. Project Management Excellence Oversee project scope, budget, and schedule across all phases. Enhance design processes and ensure accurate coordination across disciplines. Coordinate project delivery across design and...
At
Mar 29, 2026
Full time
Principal Mechanical Engineer
$100,650 - $178,200 yearly
Attalon Longmont, CO, USA
Attalon / Longmont, CO Overview At Attalon, we are at the forefront of designing and delivering cutting-edge precision optical systems tailored for the most challenging environments. From spaceborne telescopes to seaborne sensor systems, our innovative solutions serve a critical role in advancing global defense and aerospace missions. If you're passionate about creating technical excellence and solving complex engineering challenges, join our team of world-class professionals committed to pushing the boundaries of possibility. Located along Colorado's scenic Front Range and nestled in the foothills of the Rocky Mountains, Longmont offers a high quality of life, breathtaking natural beauty, and easy access to outdoor recreation, making it the perfect place to balance work and play. Job Title: Principal Mechanical Engineer Job Details A Principal ME will demonstrate expertise in the design, analysis and integration planning of precision, opto-mechanical subsystems such as...
At
Mar 29, 2026
Full time
Principal Mechanical Engineer
$100,650 - $178,200 yearly
Attalon Longmont, CO, USA
Attalon / Longmont, CO Overview At Attalon, we are at the forefront of designing and delivering cutting-edge precision optical systems tailored for the most challenging environments. From spaceborne telescopes to seaborne sensor systems, our innovative solutions serve a critical role in advancing global defense and aerospace missions. If you're passionate about creating technical excellence and solving complex engineering challenges, join our team of world-class professionals committed to pushing the boundaries of possibility. Located along Colorado's scenic Front Range and nestled in the foothills of the Rocky Mountains, Longmont offers a high quality of life, breathtaking natural beauty, and easy access to outdoor recreation, making it the perfect place to balance work and play. Job Title: Principal Mechanical Engineer Job Details A Principal ME will demonstrate expertise in the design, analysis and integration planning of precision, opto-mechanical subsystems such as...
Wo
Feb 18, 2026
Full time
Senior / Principal Structural Engineer
Worley Denver, CO, USA
Building on our past. Ready for the future Worley is a global professional services company of energy, chemicals and resources experts. We partner with customers to deliver projects and create value over the life of their assets. We're bridging two worlds, moving towards more sustainable energy sources, while helping to provide the energy, chemicals and resources needed now. Senior / Principal Structural Engineer Denver, CO Purpose of the Role: Within the Denver, CO Structural Engineering team, the Senior or Principal Structural Engineer will provide structural engineering services performing structural analysis and design calculations in conformance with engineering principles, industry standards, and applicable codes on small to mid-capital projects to Worley and its customers. This position is in Englewood Colorado, working a 3-day hybrid schedule, and not eligible for remote work. Onsite visits to local customer sites are required. Responsibilities: Perform...
TA
Jan 31, 2026
Full time
Principal Mechanical Engineer
$175,000 - $210,000 yearly
True Anomaly Denver, CO, USA
A new space race has begun. True Anomaly seeks those with the talent and ambition to build innovative technology that solves the next generation of engineering, manufacturing, and operational challenges for space security and sustainability. OUR MISSION The peaceful use of space is essential for continued prosperity on Earth-from communications and finance to navigation and logistics. True Anomaly builds innovative technology at the intersection of spacecraft, software, and AI to enhance the capabilities of the U.S., its allies, and commercial partners. We safeguard global security by ensuring space access and sustainability for all. OUR VALUES Be the offset. We create asymmetric advantages with creativity and ingenuity What would it take? We challenge assumptions to deliver ambitious results It's the people. Our team is our competitive advantage and we are better together YOUR MISSION As a Principal Mechanical Engineer at True Anomaly, you will be responsible for leading...
TA
Mar 15, 2026
Full time
Principal Structural Dynamics Engineer
$205,000 - $285,000 yearly
True Anomaly Denver, CO, USA
A new space race has begun. True Anomaly seeks those with the talent and ambition to build innovative technology that solves the next generation of engineering, manufacturing, and operational challenges for space security and sustainability. OUR MISSION The peaceful use of space is essential for continued prosperity on Earth-from communications and finance to navigation and logistics. True Anomaly builds innovative technology at the intersection of spacecraft, software, and AI to enhance the capabilities of the U.S., its allies, and commercial partners. We safeguard global security by ensuring space access and sustainability for all. OUR VALUES Be the offset. We create asymmetric advantages with creativity and ingenuity What would it take? We challenge assumptions to deliver ambitious results It's the people. Our team is our competitive advantage and we are better together YOUR MISSION RESPONSIBILITIES Lead the analysis and validation of spacecraft and/or missile...
IP
Mar 29, 2026
Full time
Mechanical/Electrical Engineer
$90,000 - $125,000 yearly
Integrated Power Services Denver, CO, USA
Description IPS is seeking innovative and dynamic engineers to join our team and make a significant impact by keeping our world advancing. At IPS, we innovate, inspire, and transform. We're looking for technically proficient and entrepreneurial problem-solvers who embrace challenges, continuously seek knowledge, and push the limits of what's possible. At IPS, you'll have the chance to work on impactful engineering projects through the entire project lifecycle, develop innovative solutions, and contribute to the future of our industry. You'll collaborate with the brightest minds, learn from experts, and grow professionally in a values-driven company. Unleash your potential with IPS and be part of something big. Principal Responsibilities & Expectations: IPS is seeking a Mechanical Engineer to join our Denver Service Center and to provide support to our Mountain Region. As a Mechanical Engineer for IPS, you will be responsible for performing RCFA to develop engineered...
AS
Mar 27, 2026
Full time
Senior Staff Mechanical Engineer
$146,000 - $247,000 yearly
AGILE Space Industries Durango, CO, USA
Job Type Full-time Description Agile Space Industries is a rapidly growing supplier of propulsion hardware and engineering services for the space industry. Headquartered in Durango, Colorado, with expanding operations in Mount Pleasant, Pennsylvania, and Tulsa, Oklahoma, Agile has achieved more than 40% year-over-year growth for the past three years, and our momentum continues to accelerate. At Agile, we design, build, and test in-space propulsion systems that give spacecraft the ability to maneuver with precision, reliability, and purpose. Our technologies play a critical role in missions that range from lunar landings and resource utilization to national defense, human exploration, and commercial space transport. We are seeking bold and driven individuals who thrive in a hands-on, fast-moving environment and want to help write the next chapter of space history as part of a close-knit, innovative team. Agile Space Industries is seeking a highly experienced Mechanical...
RS
Feb 28, 2026
Full time
Sr. RF Mechanical Engineer (Will consider all Senior levels)
Redwire Space Longmont, CO, USA
Unlock the Future of Space at Redwire Space Do you thrive on turning the impossible into reality? At Redwire Defense, every day presents an opportunity to innovate, tackle fascinating challenges, and directly shape future technologies for multiple domains (space and terrestrial). Redwire is where groundbreaking ideas take flight, and the results are truly out of this world. Innovate with Our RF Systems Group in Longmont, Colorado Join Redwire's RF Systems group in Longmont, Colorado, and become an integral part of engineering the next generation of RF products. These enable mission-critical capabilities across space, air, land, and beyond. Whether it's advanced communications, sophisticated sensing, electronic warfare, or directed energy, our team delivers cutting-edge solutions - from orbital deployments to the tactical edge - in support of one force, every front. Join a Team Driven by Curiosity, Purpose, and Impact Decide today to become a part of our engineering team...
NS
Feb 22, 2026
Full time
Mechanical Engineer III
National Solar Observatory Boulder, CO, USA
The Mechanical Engineer III is a critical contributor to the success of the Next-Generation Global Observing Network Group (ngGONG) design project, bridging detailed mechanical engineering with system-level observatory performance. By leading the design of key mechanical subsystems, this role ensures that telescope and instrumentation hardware meets demanding requirements for precision, stability, and long-term reliability. Working in close partnership with the Principal Mechanical Engineer and cross-disciplinary teams, the ME3 helps translate complex scientific and system requirements into practical, manufacturable designs. The quality and rigor of this work directly influence the performance, serviceability, and longevity of ngGONG's observatory systems-making this role essential to delivering a world-class solar observing capability. The ngGONG project is currently funded for a three-year design phase, with the potential for additional funding contingent upon selection to...
AU
Feb 22, 2026
Full time
Mechanical Engineer III
AURA Boulder, CO, USA
The Mechanical Engineer III is a critical contributor to the success of the Next-Generation Global Observing Network Group (ngGONG) design project, bridging detailed mechanical engineering with system-level observatory performance. By leading the design of key mechanical subsystems, this role ensures that telescope and instrumentation hardware meets demanding requirements for precision, stability, and long-term reliability. Working in close partnership with the Principal Mechanical Engineer and cross-disciplinary teams, the ME3 helps translate complex scientific and system requirements into practical, manufacturable designs. The quality and rigor of this work directly influence the performance, serviceability, and longevity of ngGONG's observatory systems-making this role essential to delivering a world-class solar observing capability. The ngGONG project is currently funded for a three-year design phase, with the potential for additional funding contingent upon selection to...
RS
Feb 06, 2026
Full time
Sr. Mechanical Engineer (Will consider all Senior levels)
Redwire Space Longmont, CO, USA
Unlock the Future of Space at Redwire Space Do you thrive on turning the impossible into reality? At Redwire Defense, every day presents an opportunity to innovate, tackle fascinating challenges, and directly shape future technologies for multiple domains (space and terrestrial). Redwire is where groundbreaking ideas take flight, and the results are truly out of this world. Innovate with Our RF Systems Group in Longmont, Colorado Join Redwire's RF Systems group in Longmont, Colorado, and become an integral part of engineering the next generation of RF products. These enable mission-critical capabilities across space, air, land, and beyond. Whether it's advanced communications, sophisticated sensing, electronic warfare, or directed energy, our team delivers cutting-edge solutions - from orbital deployments to the tactical edge - in support of one force, every front. Join a Team Driven by Curiosity, Purpose, and Impact Decide today to become a part of our engineering team...
KP
Jan 17, 2026
Full time
Rock Mechanics Engineer - Junior
Knight Piésold Denver, CO, USA
Description Do you like working on dynamic projects all over the world? Are you interested in applying your skills, talents, and education to work at a company that has a strong history and is well known in the industry? Do you want to be part of a team that will inspire you and offer you opportunities to learn and grow? If you said yes to these questions, then read on to learn more about Knight Piésold and the opportunities we have open. Why Join Knight Piésold? You will be joining a reputable, well-established global consulting firm with over 100 years of industry experience. We believe in the One Team approach, with everyone working together toward achieving a shared goal. Our engineers develop their skills through working on diverse projects, our knowledge-sharing culture, career mentoring program and collaborating with top professionals in the industry. We offer unique opportunities to travel and see the world while you learn, with projects around the world to take...
KP
Jan 17, 2026
Full time
Rock Mechanics Engineer - Intermediate
Knight Piésold Denver, CO, USA
Description Do you like working on dynamic projects all over the world? Are you interested in applying your skills, talents, and education to work at a company that has a strong history and is well known in the industry? Do you want to be part of a team that will inspire you and offer you opportunities to learn and grow? If you said yes to these questions, then read on to learn more about Knight Piésold and the opportunities we have open. Why Join Knight Piésold? • You will be joining a reputable, well-established global consulting firm with over 100 years of industry experience. • We believe in the One Team approach, with everyone working together toward achieving a shared goal. Our engineers develop their skills through working on diverse projects, our knowledge-sharing culture, career mentoring program and collaborating with top professionals in the industry. • We offer unique opportunities to travel and see the world while you learn, with projects around the world to take...
IP
Dec 19, 2025
Full time
Mechanical/Electrical Engineer
$90,000 - $125,000 yearly
Integrated Power Services Denver, CO, USA
Description IPS is seeking innovative and dynamic engineers to join our team and make a significant impact by keeping our world advancing. At IPS, we innovate, inspire, and transform. We're looking for technically proficient and entrepreneurial problem-solvers who embrace challenges, continuously seek knowledge, and push the limits of what's possible. At IPS, you'll have the chance to work on impactful engineering projects through the entire project lifecycle, develop innovative solutions, and contribute to the future of our industry. You'll collaborate with the brightest minds, learn from experts, and grow professionally in a values -driven company. Unleash your potential with IPS and be part of something big. Principal Responsibilities & Expectations: IPS is seeking a Mechanical Engineer to join our Denver Service Center and to provide support to our Mountain Region. As a Mechanical Engineer for IPS, you will be responsible for performing RCFA to develop engineered...
JI
Dec 17, 2025
Full time
Civil Project Engineer
$86,000 - $96,000 yearly
JVA Inc Glenwood Springs, CO, USA
Job Title Civil Project Engineer Education Bachelor's Degree Location Glenwood Springs - Glenwood Springs, CO 81601 US (Primary) Category Civil Engineering Job Type Full-time Job Description The Civil Project Engineer independently performs project assignments with instructions from the Project Manager on a wide range of site development and infrastructure projects across Colorado including rural towns, cities, and mountain projects. Receives technical guidance on unusual or complex problems and supervisory approval on proposed plans for projects. Responsible for applying intensive and diversified knowledge of civil engineering principles and practices during planning, design, and construction of civil projects. EXAMPLE RESPONSIBILITIES AND ACTIVITIES Design civil site and infrastructure projects to solve complex problems Prepare written technical reports and project specifications to communicate the design details to the project owner and contractor Participate in...
SG
Oct 30, 2025
Full time
Lead P&C Design Engineer
SynchroGrid Denver, CO, USA
We are seeking a Lead P&C Design Engineer who will lead teams performing design of high voltage electrical substation projects for electric utility companies. Experience producing design documents for the physical and/or electrical aspects of substation projects including high voltage physical arrangement, microprocessor-based protection and controls systems, AC and DC station, calculations, service systems and grounding. Must have strong leadership capabilities including the ability to lead the design of a substation project. RESPONSIBILITIES Be responsible for the design and quality control of system protection and control projects for utility substations. This includes one-lines, three-lines, AC/DC schematics, wiring diagrams, panel layouts, bill of material, etc. Lead a design team to develop protection and control drawings for utility customers. Interface with internal and external team members, such as Principal Engineers, Project Engineers, Electrical Designers,...
SG
Oct 30, 2025
Full time
Entry-Level Protection Engineer
SynchroGrid Denver, CO, USA
We are seeking an entry level engineer to join our team. This candidate must be able to independently evaluate, select, and apply standard engineering techniques, procedures, and criteria, using professional judgement and acquired knowledge to solve complex industry problems. RELAY SETTING RESPONSIBILITIES Develop and manage relay setting development for SEL, GE, ABB, and other relay manufacturers. Develop short circuit analysis and coordination studies with CAPE and ASPEN. Perform relay mis-operation analysis with Wavewin and SEL SynchroWave. Perform arc flash analysis with ETAP. Develop and review NERC compliance verification reports for all PRC NERC standards. These include PRC-019, PRC-005, PRC-025, PRC-026, PRC-027, etc. Manage specific projects to develop relay settings for Wide Area Coordination Develop relay settings for generator projects. Apply engineering application software to complete engineering tasks such as ground grid design, relay coordination,...
JI
Aug 25, 2025
Full time
Environmental Site and Conveyance Design Engineer
$72,000 - $84,000 yearly
JVA Inc Boulder, CO, USA
Job Title Environmental Site and Conveyance Design Engineer Education Bachelor's Degree Location Boulder - Boulder, CO 80302 US (Primary) Cheyenne - Cheyenne, WY 82001 US Denver - Denver, CO 80202 US Fort Collins - Fort Collins, CO 80524 US Glenwood Springs - Glenwood Springs, CO 81601 US Category Environmental Engineering Job Type Full-time Job Description The Environmental Site and Conveyance Design Engineer assists Project Engineers on a wide range of water and wastewater treatment sites and sanitary sewer and water distribution projects across Colorado, including rural towns, cities, and mountain projects. The Environmental Site and Conveyance Design Engineer will help prepare Civil sheets for Environmental Department projects. Design Engineers receive technical guidance and supervisory review and approval from the project team with opportunities to participate and influence creative and innovative solutions. Example Responsibilities & Activites Design water...
JI
Aug 25, 2025
Full time
Environmental Site and Conveyance Project Engineer
$86,000 - $96,000 yearly
JVA Inc Boulder, CO, USA
Job Title Environmental Site and Conveyance Project Engineer Education Bachelor's Degree Location Boulder - Boulder, CO 80302 US (Primary) Denver - Denver, CO 80202 US Fort Collins - Fort Collins, CO 80524 US Glenwood Springs - Glenwood Springs, CO 81601 US Winter Park - Winter Park, CO 80482 US Category Environmental Engineering Job Type Full-time Job Description The Environmental Site and Conveyance Project Engineer independently performs project assignments with instructions from the Project Manager on a wide range of water and wastewater treatment sites and sanitary sewer and water distribution projects across Colorado, including rural towns, cities, and mountain projects. The Environmental Site and Conveyance Project Engineer will prepare Civil sheets for Environmental Department projects. Receives technical guidance on complex problems and supervisory approval on proposed plans for projects. Responsible for applying intensive and diversified knowledge of civil...
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