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22 principal process engineer jobs found

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Onsite principal process engineer Colorado
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At
Apr 26, 2026
Full time
Master Mechanical Engineer
Attalon Longmont, CO
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. Master Mechanical Engineer Job Details The Mechanical Engineer will demonstrate expertise in the design, analysis and integration planning of precision, opto-mechanical subsystems such as...
WM
Apr 23, 2026
Full time
Controls Engineer
Wunderlich-Malec Loveland, CO
Wunderlich-Malec Engineering/CASE RMC (WM) is 100% employee-owned and one of the largest and most well-established engineering companies in the United States. When you join WM you become part of a company that is: 100% employee-owned company with over 40 years of industry history A Top 5 Systems Integrator Giant ENR top 500 firm at #170 We have a Controls Engineer position available in our Loveland, CO office. We provide custom control systems for industrial and commercial turbomachinery, as well as a host of other auxiliary turbine, compressor, and power management products and services. Our engineering expertise is designed into industry-standard components to form state-of-the-art turbine and compressor control solutions. Major Responsibilities Project execution: Task identification, prioritization and scheduling with personal accountability to ensure commitments are met Early problem identification and conflict resolution Working under the direction of other...
At
Apr 20, 2026
Full time
Principal Mechanical Engineer
$100,650 - $178,200 yearly
Attalon Longmont, CO
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
Apr 20, 2026
Full time
Principal Mechanical Engineer
$100,650 - $178,200 yearly
Attalon Longmont, CO
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...
AS
Mar 27, 2026
Full time
Senior Staff Mechanical Engineer
$146,000 - $247,000 yearly
AGILE Space Industries Durango, CO
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
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
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
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
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...
TA
Jan 31, 2026
Full time
Principal Mechanical Engineer
$175,000 - $210,000 yearly
True Anomaly Denver, CO
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...
KP
Jan 17, 2026
Full time
Rock Mechanics Engineer - Junior
Knight Piésold Denver, CO
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
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
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
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...
MC
Apr 25, 2026
Full time
Mechanical Engineer I
$70,000 yearly
Merrick & Company Greenwood Village, CO
OVERVIEW Merrick and Company is seeking Mechanical Engineer / Designer to support the mechanical design of projects as part of a multi-disciplinary team. This person will be located in either our Greenwood Village, CO office. Client projects for this position require U.S. Citizenship. Merrick is an internationally known multi-office and multi-discipline firm consisting of a diverse, dedicated and talented staff which has achieved design excellence throughout its 60+ years of existence. With offices worldwide, Merrick and Company has been ranked as one of the top 100 design firms by Engineering News Record. Merrick provides personalized services to various clients throughout the world. Typical salary range for this position is $70,000.00 - $92,000.00. Base pay offered may vary depending on job-related knowledge, skills, and experience. WHAT YOU'LL DO Participating as part of the mechanical design team and the multi-disciplinary project team, execute the detailed...
Wo
Apr 24, 2026
Full time
Senior / Principal Structural Engineer
$123,433 - $181,519 yearly
Worley Denver, CO
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...
MC
Apr 20, 2026
Full time
Mechanical Engineer II
$88,000 yearly
Merrick & Company Greenwood Village, CO
OVERVIEW Merrick and Company is seeking Mechanical Engineer / Designer to support the mechanical design of projects as part of a multi-disciplinary team. This person will be located in either our Greenwood Village, CO office. Client projects for this position require U.S. Citizenship. Merrick is an internationally known multi-office and multi-discipline firm consisting of a diverse, dedicated and talented staff which has achieved design excellence throughout its 60+ years of existence. With offices worldwide, Merrick and Company has been ranked as one of the top 100 design firms by Engineering News Record. Merrick provides personalized services to various clients throughout the world. Typical salary range for this position is $88,000.00 - $113,000.00. Base pay offered may vary depending on job-related knowledge, skills, and experience. WHAT YOU'LL DO Participating as part of the mechanical design team and the multi-disciplinary project team, execute the detailed...
TO
Apr 15, 2026
Full time
Development Review Supervisor (Civil Engineer III) (84439)
TOWN OF ERIE Erie, CO
Join Our Public Works Department as a Civil Engineer III - Development Review Supervisor Are you ready to take the next step in your civil engineering career and help shape the future of our growing community at Town of Erie? The Town is seeking a Civil Engineer III which is also referred to as a Development Review Supervisor. In this role, you will be leading a talented team of development review engineers while playing a key role in critical infrastructure and capital planning and construction efforts. In this dynamic role, you'll work under the general supervision of the Town Engineer and operate with substantial independence and professional judgment. You'll review construction plans, engineering reports, final plats, and development agreements, ensuring high-quality, sustainable development across the Town. As the Development Review Supervisor, you'll also provide coaching, mentoring, and day-to-day support to development review engineers, helping guide the team's...
HT
Apr 10, 2026
Full time
Senior Manufacturing Engineer (Assembly)
H3X Technologies Inc Louisville, CO
About the Role At H3X, we are building the most advanced electric motors in the world for sustainable aviation, marine, industrial, and defense applications. At 12 kW/kg continuous, the HPDM family of integrated motor drives is a step change in electric propulsion technology and removes one of the main barriers blocking widespread proliferation of electric and hybrid aircraft. Our motors range in size from 30 kW to 30 MW, include integrated drives, and are 3X lighter than competitors' systems. H3X is looking to hire a Senior Manufacturing Engineer to support production lines across all the HPDM products. The production team is rapidly deploying new processes and improvements to meet the growing demand for the HPDM products. A high degree of self-motivation and responsibility is required since this role will be given significant freedom and will be directly responsible for the production of a multitude of parts. Responsibilities Scale mechanical manufacturing processes to...
PC
Apr 09, 2026
Full time
Plant Optimization Engineer (Denver, CO)
Packaging Corporation of America Denver, CO
As a Fortune 500 company, Packaging Corporation of America (PCA) is an ideas and solutions company. Our corrugated packaging business seeks to be the leader in helping our customers - large and small - package, transport and display products of all kinds. Our white paper business delivers Paper With Purpose by providing the highest level of customer service and operational excellence. We have approximately 15,000 team members in more than 100 locations in the United States that strive to meet the local needs of our customers. Our mission is to serve the needs of our customers, today and tomorrow, with products and services that exceed expectations for performance and environmental responsibility. People • Customers • Trust PCA is currently recruiting for a Plant Optimization Engineer based at the Denver, CO corrugated box plant facility. Description of role: The Plant Optimization Engineer Position (POE) is a developmental program which focuses on hiring recent college...
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