Senior Mechanical Engineer Jobs in Colorado

86 open Senior Mechanical Engineer jobs in Colorado at 14 companies, including CarMax, Blue Origin and Ursa Major. Updated daily from company career pages.

CarMax

CarMax provides an online platform to search for new and used cars, research models, and compare cars.

Blue Origin

Blue Origin is an aerospace company that focuses on lowering the cost of spaceflight and helping to explore the solar system.

43 more open roles at Blue Origin

Ursa Major

Ursa Major provides a propulsion system for space launch, hypersonics, and national security.

1 more open roles at Ursa Major

CesiumAstro

CesiumAstro provides out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space or airborne platforms.

Atom Computing

Atom Computing builds truly scalable quantum computers out of individual atoms.

Xcimer Energy

Xcimer Energy offers a laser-driven fusion to provide cheap, abundant, and carbon-free energy.

Anduril Industries

Anduril Industries is a defense product company that builds technology for military agencies and border surveillance.

Infleqtion

Infleqtion is a quantum information company that develops software-configured and quantum-enabled products.

Sierra Space

Sierra Space is a commercial space company that specializes in the development of advanced space technologies and solutions.

2 more open roles at Sierra Space

True Anomaly

True Anomaly develops space security technologies using AI, software, and spacecraft to enhance global security and sustainability.

2 more open roles at True Anomaly

Loft Orbital

Loft Orbital leases space on satellites for any organization to collect information about the Earth, from space.

Lunar Outpost

Lunar Outpost creates technologies that enable a sustainable presence in cislunar space while driving a positive impact here on Earth.

Yonomi

Yonomi provides an IoT platform, mobile app, and enterprise solutions that help integrate and automate connected devices.

Outrider

Outrider develops robotic software and systems to automate logistics hub operations.

Updated 2026-10-11.