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256 jobs found in Longmont, CO

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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...
nL
Feb 26, 2026
Full time
Mechanical Engineer
nLIGHT Longmont, CO, USA
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: $120,000-$170,000 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...
nL
Feb 20, 2026
Full time
Engineering Documents Manager
nLIGHT Longmont, CO, USA
Description Location: Longmont, CO (onsite) Experience: 5+ years of experience. Minimum Education: Bachelor's Degree in Electrical Engineering or related field. Compensation: $90,000-$140,000 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,...
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...
RS
Feb 05, 2026
Full time
Structural Engineer
$89,000 - $107,000 yearly
Redwire Space Longmont, CO, USA
Unlock the Future of Space at Redwire Space Do you thrive on turning the impossible into reality? At Redwire Space, 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...
RS
Feb 01, 2026
Full time
Senior Manufacturing Engineer (Manufacturing Engineer, Senior)
Redwire Space Longmont, CO, USA
Bring your passion for space! Redwire is accelerating humanity's expansion into space by delivering reliable, economical and sustainable infrastructure for future generations . Summary Redwire Space - Longmont, CO is the leading developer and provider of satellite mechanisms, deployable structures, and RF antennas to the global space market. The company's key products include fixed and deployable antenna systems, deployable structural and mechanical systems and supporting subsystems. We have an opportunity for a Senior Manufacturing Engineer, located at our facility in Longmont, CO. In this role you will be responsible for providing DFM feedback to design engineering, aligning and/or expanding site capacity & capability, and implementing new manufacturing processes. You will be developing and implementing ground support equipment (GSE), key process development and improvement, and ensuring high quality hardware delivery to our customers. Responsibilities GSE...
RS
Jan 29, 2026
Full time
Mechanical Engineer (Mechanical, Engineer)
Redwire Space Longmont, CO, USA
Unlock the Future of Space at Redwire Space Do you thrive on turning the impossible into reality? At Redwire Space, 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 and...
nL
Jan 15, 2026
Full time
Electrical Quality Engineer
nLIGHT Longmont, CO, USA
Description Location: Longmont, CO (onsite) Experience: 3+ years of experience. Minimum Education: Bachelor's Degree in Electrical Engineering or related technical field. Compensation: $75,000-$104,000 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...
PM
Feb 27, 2026
Full time
Manufacturing Engineer
Particle Measuring Systems Niwot, CO, USA
Do you want to be part of a business that genuinely values entrepreneurialism , innovation and individual accountability? We focus on our customers and are proud of the difference our technology makes. We partner with some of the biggest manufacturing companies in the world and our technical innovations are used to enhance well-known brands across multiple industries. Title Manufacturing Engineer Department Manufacturing Engineering Location Niwot, CO (100% on-site) Reports To Manufacturing Engineering Manager About Us Established in 1972, Particle Measuring Systems is a global leader for micro-contamination monitoring equipment improving the performance of clean manufactures in the semiconductor and pharmaceutical industries. We're a growing technology company in Niwot, Colorado, the heart of the Rocky Mountains. We offer an exceptional and rewarding work environment in a great place to live. Our employees enjoy challenging projects in the...
PM
Feb 27, 2026
Full time
Associate Manufacturing Engineer
Particle Measuring Systems Niwot, CO, USA
Do you want to be part of a business that genuinely values entrepreneurialism , innovation and individual accountability? We focus on our customers and are proud of the difference our technology makes. We partner with some of the biggest manufacturing companies in the world and our technical innovations are used to enhance well-known brands across multiple industries. Title Associate Manufacturing Engineer Department Manufacturing Engineering Location Niwot, CO (100% on-site) Reports To Manufacturing Engineering Manager About Us Established in 1972, Particle Measuring Systems is a global leader for micro-contamination monitoring equipment improving the performance of clean manufactures in the semiconductor and pharmaceutical industries. We're a growing technology company in Niwot, Colorado, the heart of the Rocky Mountains. We offer an exceptional and rewarding work environment in a great place to live. Our employees enjoy challenging projects in the...
PM
Feb 14, 2026
Full time
Associate Mechanical Engineer
Particle Measuring Systems Niwot, CO, USA
Do you want to be part of a business that genuinely values entrepreneurialism , innovation and individual accountability? We focus on our customers and are proud of the difference our technology makes. We partner with some of the biggest manufacturing companies in the world and our technical innovations are used to enhance well-known brands across multiple industries. Associate Mechanical Engineer, Boulder/Niwot, CO Particle Measuring Systems (PMS) sets the standard for cleanroom contamination monitoring. With more than 60 patents, we create the technology that enables our customers to make fact-based decisions, improve process yields and comply with ever-changing regulatory requirements. The Role Associate Mechanical Engineer As a part of a team of dedicated engineers and scientists from multiple disciplines. You'll be working alongside other Mechanical Engineers on highly technical products. You'll be responsible for creating and implementing engineering...
TF
Jan 24, 2026
Full time
Fire Protection Design Engineer
$80,000 - $100,000 yearly
Total Fire Protection, Inc. Berthoud, CO, USA
We are seeking a skilled and experienced Fire Sprinkler Engineer to join our dynamic team. The ideal candidate will be responsible for designing, implementing, and maintaining fire sprinkler systems to ensure optimal safety and compliance with relevant codes and standards. This role requires a combination of technical expertise, project management skills, and a commitment to ensuring the highest levels of fire protection in various environments. Responsibilities: Design, plan, and implement fire sprinkler systems based on project requirements and local building codes. Prepare 2D and 3D construction documents using HydraCAD Conduct site assessments to evaluate fire protection needs and identify potential risks. Collaborate with architects, contractors, and clients to integrate fire sprinkler systems seamlessly into building designs, interpret and comply with fire codes and standards, and recommend changes in fire codes. Perform hydraulic calculations and flow tests to...
TA
Mar 02, 2026
Full time
Senior High Voltage Development Engineer
$113,000 - $141,525 yearly
The AES Corporation Remote (Louisville, CO, USA)
Are you ready to be part of a company that's not just talking about the future, but actively shaping it? Join The AES Corporation (NYSE: AES), a Fortune 500 company that's leading the charge in the global energy revolution. With operations spanning 14 countries , AES is committed to shaping a future through innovation and collaboration. Our dedication to innovation has earned us recognition as one of the Top Ten Best Workplaces for Innovators by Fast Company in 2022. And with our certification as a Great Place to Work , you can be confident that you're joining a company that values its people just as much as its groundbreaking ideas. AES is proudly ranked #1 globally in renewable energy sales to corporations, and with $12.7B in revenues in 2023 , we have the resources and expertise to make a significant impact as we provide electricity to 25 million customers worldwide. As the world moves towards a net-zero future, AES is committed to meeting the Paris Agreement's goals...
RA
Feb 21, 2026
Full time
Manager, Mechanical Engineering
Roeslein & Associates Louisville, CO, USA
Job Description COMPENSATION AND BENEFITS $150,000 - $185,000 annually Health insurance plans for you and your family HSA (Health Savings Account) with up to $1,500 company match per year FSA (Flexible Spending Account) Dental/Vision/Life insurance A 401K program as well as an ESOP (Employee Stock Ownership Plan) Paid Sick Leave 10+ Paid Vacation Days 8+ Paid Holidays 6 Paid Sick Days Education, Certification, and Tuition Reimbursement Paid Parental Leave $25,000 Company-paid Life Insurance Up to 10% annual bonus tied to individual performance and company success COMPANY OVERVIEW Servtech, a Roeslein Company, specializes in creating essential industrial equipment for various sectors such as energy, mining, industrial power, and bio-energy solutions. We have extensive experience in designing and manufacturing a variety of products including: Power Distribution Centers (E-Houses) (Oil, Gas, Water) LACT Stations, Custody Transfer Metering Prefabricated...
HT
Feb 14, 2026
Intern
Test Engineering Intern
H3X Technologies Inc Louisville, CO, USA
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 test engineering intern this summer to support R&D and production testing across the HPDM product line. This is not an ordinary internship- you will be given the full responsibility of a test engineer. The engineering team is intentionally small and operates at a very fast pace. A high degree of self-motivation and responsibility is required as you will be given significant freedom and will be directly responsible for your parts. Responsibilities...
TA
Feb 12, 2026
Full time
Senior Project Engineer, Mega Projects and M&A Engineering
$113,000 - $141,525 yearly
The AES Corporation Remote (Louisville, CO, USA)
Are you ready to be part of a company that's not just talking about the future, but actively shaping it? Join The AES Corporation (NYSE: AES), a Fortune 500 company that's leading the charge in the global energy revolution. With operations spanning 14 countries , AES is committed to shaping a future through innovation and collaboration. Our dedication to innovation has earned us recognition as one of the Top Ten Best Workplaces for Innovators by Fast Company in 2022. And with our certification as a Great Place to Work , you can be confident that you're joining a company that values its people just as much as its groundbreaking ideas. AES is proudly ranked #1 globally in renewable energy sales to corporations, and with $12.7B in revenues in 2023 , we have the resources and expertise to make a significant impact as we provide electricity to 25 million customers worldwide. As the world moves towards a net-zero future, AES is committed to meeting the Paris Agreement's goals...
MR
Feb 06, 2026
Full time
RF Engineer (Antennas)
Maverick RF Solutions Louisville, CO, USA
Location: Louisville, Colorado Level: I, II, III, IV, Senior Type: Full Time Travel: On-site Citizenship: Must be US Citizen ABOUT MAVERICK RF: At Maverick RF, we design and field state-of-the-art antennas for the most demanding environments on maritime, ground, airborne, and space platforms. Our team fosters a culture that emphasizes technical excellence, innovation, and pride in our product. We look for people who thrive in a work environment that is highly collaborative, dynamic, and creative. DESCRIPTION: Canidates will be responsible for leading the RF design (including configuration, prototype, test, and documentation) of antennas and RF systems for aerospace and military applications. These applications include, but are not limited to, hypersonic, low-observable, and/or electronic warfare platforms. Additionally, candidates will be expected to contribute to the development of new and industry-leading antenna technologies. As such, this position requires expertise in...
In
Feb 05, 2026
Full time
Staff Optical Engineer
$150,000 - $180,000 yearly
Infleqtion Louisville, CO, USA
At Infleqtion we solve the world's most challenging problems using cutting-edge quantum technology. Our mission is to commercialize atom-based quantum products that provide orders of magnitude improvements in sensing and computing applications. We are proud to work tirelessly to create and lead the quantum ecosystem towards meaningful advancements today and set the technology roadmap for tomorrow. POSITION SUMMARY Within Infleqtion's Quantum Computing Product Group, the Hardware Engineering Team is seeking a Staff Optical Engineer to provide to provide deep technical leadership, people management, and hands-on expertise in advanced optical systems for neutral-atom quantum computing. The successful candidate will independently own complex optical subsystems, working closely with physicists and cross-disciplinary engineering teams to translate experimental requirements into robust, high-performance optical designs. This role is hands-on and laboratory-focused, with responsibility...
Ho
Jan 30, 2026
Full time
Product Development Engineer 2 - Louisville, CO
Hologic Louisville, CO, USA
Job Description Role Summary Contribute to the development of medical devices from concept through production by applying strong technical judgment, customer-centric design principles, and sound engineering practices. Work on simple to moderately complex design and project tasks with general oversight, receiving close supervision only on unusual or difficult problems. Knowledge Technical & Domain Knowledge Bachelor's degree in Biomedical Engineering, Mechanical Engineering, or a related engineering discipline. Understanding of medical device product development processes and lifecycle, including concept, design, verification, validation, and manufacturing transfer. Working knowledge of: Design for Manufacturability (DFM). Geometric Dimensioning and Tolerancing (GD&T). Tolerance stack-up analysis. Familiarity with manufacturing processes such as: Machining Injection molding Common joining methods Rapid prototyping Working understanding...
In
Jan 30, 2026
Full time
Staff Mechanical Engineer - Quantum Timing in Space
Infleqtion Louisville, CO, USA
ABOUT INFLEQTION Infleqtion is a global company harnessing quantum mechanics to solve complex, real-world problems beyond the reach of today's systems. Our mission is to commercialize atom-based quantum products that provide orders of magnitude improvement in sensing and computing applications. Founded on Nobel Prize winning technology, Infleqtion is the largest full spectrum commercial quantum technology company in the world. We design and build quantum computers, precision sensors, and quantum software for governments, enterprises, and research institutions. Our commercial portfolio includes quantum computers as well as quantum RF systems, quantum clocks, and inertial navigation solutions. Infleqtion is the partner of choice for governments and commercial customers seeking cutting-edge quantum capabilities. POSITION SUMMARY We are seeking a Mechanical Engineer to own the development and validation of a space-based quantum timing product. This individual will join the...
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