Mechanical Engineer jobs in Boulder, CO

Louisville, Colorado

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Today

Overview Why Join Servtech, a Roeslein & Associates Company At Servtech, a Roeslein & Associates Company, you're not just taking a job-you're becoming an employee owner. As part of an ESOP organization, you share the success you help create while building a long-term career with a company that invests in its people. Our teams deliver fit-for-purpose oil and gas technology, data center infrastructure, and power generation technology, engineering, and manufacturing solutions from custom design

Full-time

USD 69,729.00 - 107,537.00 per year

Mechanical Engineer

Berkley, Colorado

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Today

Delta Solutions & Strategies is seeking a Mechanical Engineer to join our team at Buckley Space Force Base, CO. What you will be doing: Performs Operations & Maintenance (O&M) engineering involving maintenance, repair, upgrade, and operation of mechanical equipment and systems (such as HVAC, plumbing, and environmental controls) to infrastructure facilities, including utility systems, at a large and complex military installation utilizing a professional knowledge of mechanical engineering.Mana

Full-time

USD 148,000.00 - 168,000.00 per year

Sr. Mechanical Engineer

Boulder, Colorado

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2d ago

Benefits Information This job posting is anticipated to remain open until October 9th, 2026. Full-time employees will enjoy a competitive benefits package with options for you and your family including: 3 weeks Paid Time Off 15 Paid Holidays 401(k) Matching Health Insurance Vision Insurance Life Insurance Health Savings Account Tuition Reimbursement Employee Discount Reduced Tuition Rates Disability Insurance Employee Assistance Program 401(k) Pet Insurance Dental Insurance Paid Training Flexi

Full-time

USD 120,000.00 per year

Staff Mechanical Engineer (QSS)

Louisville, Colorado

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Today

Infleqtion is a global quantum technology company solving the world's most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading edge commercial products, Infleqtion enables "quantum everywhere" through our ecosystem of devices and platforms. Infleqtion is seeking a system-level mechanical engineer to design the infrastructure, mounting, and environmental-survivability architecture that a

Full-time

USD 175,000.00 - 200,000.00 per year

Lead Mechanical Engineer

Longmont, Colorado

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Today

Lyntris is a defense technology company that connects sensing to action across the connected battlespace. Lyntris brings together the talents of Accelint and Vitesse teams under one mission, with each contributing deep expertise within their domain. Combining differentiated hardware, software and mission expertise, Lyntris helps customers sense threats, make sense of complex conditions and act with greater speed, precision and confidence in contested environments. Lyntris supports U.S. and allie

Full-time

USD 141,426.00 - 172,000.00 per year

Mechanical Engineer IV

Longmont, Colorado

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Today

Who We Are Stored Energy Systems (SENS) is an award-winning manufacturer of premium quality power conversion products located in Longmont, CO. In business for over 50 years, SENS is the market leader with a proven track record of providing highly reliable battery chargers, DC power systems, and related products to industrial markets. For more information on our company please see our web site at View the SENS Product Catalog Summary SENS is looking for an experienced Mechanical Engineer with

Full-time

USD 116,000.00 - 164,000.00 per year

Opto-mechanical Engineer (Quantum Computing)

Boulder, Colorado

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Today

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 Te

Full-time

USD 130,000.00 - 155,000.00 per year

Advanced Mechanical Engineer - 959

Broomfield, Colorado

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Today

We are seeking an Advanced Mechanical Engineer in our Broomfield CO location In this role, you will design, develop, and validate mechanical systems and subsystems, contributing independently to technical solutions. You will apply expertise in areas such as structural design, thermal management, materials, or mechanisms to solve complex problems and drive development activities. All applicants for placement in safety-sensitive positions will be required to submit a pre-employment drug test Key

Full-time

USD 116,000.00 - 145,000.00 per year

Lead Mechanical Engineer - 947

Broomfield, Colorado

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Today

We are seeking a Lead Mechanical Engineer in our Broomfield, CO, Location. Quantinuum believes that employees work better, more efficiently and more collaboratively in close proximity to other employees, where ideas can be exchanged readily, and decisions can be made more quickly for the benefit of the Company and our customers. All employees should work at their assigned location; however, this role may offer the opportunity to work remotely up to 2 days per week, with approval. All applicant

Full-time

USD 137,000.00 - 184,000.00 per year

Mechanical Engineer I - Ground Support Equipment

Louisville, Colorado

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Today

Sierra Space Careers: At Sierra Space, we build the missions and systems that keep our world secure in the domain above Earth. Sierra Space team members share a spirit of innovation and collaboration and a belief that we can deliver on the boldest missions in space today. Together with our customers, we aim to safeguard our nation, sustain human presence in space, and secure the freedom of operations in low Earth orbit and beyond. Our success is measured by the trust of those who rely on what w

Full-time

USD 77,234.00 - 106,196.75 per year

Senior Opto-Mechanical Engineer (Quantum Computing)

Boulder, Colorado

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Today

Full-time

USD 155,000.00 - 185,000.00 per year

Mechanical Engineer I (Solar Arrays)

Broomfield, Colorado

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Today

Full-time

USD 77,234.00 - 106,196.75 per year

Mechanical Engineer I

Westminster, Colorado

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Today

Short Description Bowman has an opportunity for a Mechanical Engineer I to join our team in Westminster, CO. At Bowman, we believe in creating opportunities for aspiring people to thrive and achieve ambitious goals. That's why a career at Bowman is more than a job. It is an opportunity to be part of a diverse and engaged community of professionals, to be treated as a respected and valued member of a motivated team and to be empowered to do exceptional work that advances the best interest of eve

Full-time

USD 70,000.00 - 85,000.00 per year

Senior Mechanical Engineer

Westminster, Colorado

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Today

At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals

Full-time

USD 113,000.00 - 136,000.00 per year

Staff Mechanical Engineer

Westminster, Colorado

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Today

Full-time

USD 133,000.00 - 161,000.00 per year

Senior Mechanical Engineer, Spacecraft Mechanisms

Broomfield, Colorado

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Today

Katalyst Description: Katalyst is an American technology company focused on dynamic space operations. We are building a fleet of dual-use multipurpose robotic space vehicles to create the future where maneuvering, upgrading, refueling, resupply and exploration are as routine as they are on Earth. Getting to space and overcoming the gravity well is only half the story. What you do there is the future. We are not building the trains. We are building the machines that lay down the tracks. By devel

Full-time

USD 130,000.00 - 170,000.00 per year

Mechanical Engineer II

Westminster, Colorado

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Today

Short Description Bowman has an opportunity for a Mechanical Engineer II to join our team in Westminster, CO. At Bowman, we believe in creating opportunities for aspiring people to thrive and achieve ambitious goals. That's why a career at Bowman is more than a job. It is an opportunity to be part of a diverse and engaged community of professionals, to be treated as a respected and valued member of a motivated team and to be empowered to do exceptional work that advances the best interest of ev

Full-time

USD 75,000.00 - 95,000.00 per year

Mechanical Engineer III

Westminster, Colorado

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Today

Short Description Bowman has an opportunity for a Mechanical Engineer to join our team in Westminster, CO. At Bowman, we believe in creating opportunities for aspiring people to thrive and achieve ambitious goals. That's why a career at Bowman is more than a job. It is an opportunity to be part of a diverse and engaged community of professionals, to be treated as a respected and valued member of a motivated team and to be empowered to do exceptional work that advances the best interest of ever

Full-time

USD 85,000.00 - 120,000.00 per year

Mechanical Engineer II

Westminster, Colorado

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Today

Full-time

USD 96,000.00 - 115,000.00 per year

Mechanical Engineer I

Arvada, Colorado

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Today

Crusoe is on a mission to accelerate the abundance of energy and intelligence. As the only vertically integrated AI infrastructure company built from the ground up, we own and operate each layer of the stack - from electrons to tokens - to power the world's most ambitious AI workloads. When you join Crusoe, you join a team that is building the future, faster. We're in the midst of the greatest industrial revolution of our time. The demand for AI compute is boundless, and power is a bottleneck.

Full-time

USD 95,000.00 - 106,000.00 per year

Mechanical Engineer jobs in Boulder, CO, USA