Mechanical Engineer Jobs in Denver, CO

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21 - 40 of 84 Jobs

Senior-Level Mechanical Engineer

Sargent & Lundy LLC.

•

Englewood, Colorado, USA

Full-time

Description You will be involved in nuclear power plant systems design, including preparation or review of: Modification packages for operating nuclear power plantsFunctional mechanical drawings and/or drawings for nuclear power plant systemsEngineering analyses and evaluations to support modifications and operation of plant systemsTechnical specifications and procurement documents for plant equipmentVendor bid evaluations for plant equipmentStudies and options evaluations for modifications to
Posted 41 days ago | Updated 4 hours ago

Mechanical Engineer 6

CDM Smith (Camp Dresser & McKee, Inc.)

•

Denver, Colorado, USA

Full-time

Job Description CDM Smith is an engineering and construction firm delivering legendary service, smart solutions for the environment and infrastructure, and an unmatched experience for our clients and employees. Our firm works with clients around the world to implement solutions to meet current and future needs. The successful candidate will have significant experience leading and managing the design of mechanical/facilities related projects. The position is open to a hybrid work schedule allowi
Posted 55 days ago | Updated 4 hours ago

Mechanical Engineer Mid Career

Lockheed Martin Corporation

•

Englewood, Colorado, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutio
Posted 50 days ago | Updated 4 hours ago

Mechanical Engineer 1 (Entry-Level) - Energy & Industrial (Summer 2026)

Sargent & Lundy LLC.

•

Englewood, Colorado, USA

Full-time

Description This position has a target start date in summer 2026. Project teams in our Energy & Industrial Group (EIG) support industry-leading projects in power generation, plant design, environmental compliance, mid/downstream oil & gas, and multi-disciplined industrial projects. We're leading efforts to decarbonize the industry by utilizing advanced technologies in renewable energy, carbon capture, and hydrogen power. Our EIG teams perform detailed engineering services for photovoltaic (PV)
Posted 4 days ago | Updated 4 hours ago

Mechanical Engineer

HDR, Inc.

•

Denver, Colorado, USA

Full-time

At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we foster a culture of inclusion throughout our company and within our communities, we constantly ask ourselves: What is our impact on the world? Watch Our Story:' ' Each and every role throughout our organization makes a difference in our ability to change the world f
Posted 60+ days ago | Updated 4 hours ago

Lead Mechanical Engineer -- Owner's Engineering Support

Sargent & Lundy LLC.

•

Englewood, Colorado, USA

Full-time

Description Your responsibilities will include, but are not limited to: You will help develop conceptual and detailed designs for new power generation with an emphasis on gas turbine based simple and combined cycle facilities.You will be responsible for leading the Mechanical Engineering design efforts for a team of junior and senior engineers and designers.You will work on challenging assignments that include investigating, trouble-shooting, and solving a wide variety of mechanical engineering
Posted 23 days ago | Updated 4 hours ago

Mechanical Engineer - Boiler and Air Quality

Black & Veatch

•

Denver, Colorado, USA

Full-time

Together, we own our company, our future, and our shared success. As an employee-owned company, our people are Black & Veatch. We put them at the center of everything we do and empower them to grow, explore new possibilities and use their diverse talents and perspectives to solve humanity's biggest challenges in an ever-evolving world. With over 100 years of innovation in sustainable infrastructure and our expertise in engineering, procurement, consulting and construction, together we are build
Posted 35 days ago | Updated 4 hours ago

Mechanical Engineer Intern/Co-op Spring 2026 - Energy Solutions - CMTA

Legence Therma LLC

•

Golden, Colorado, USA

Full-time

CMTA, a Legence company CMTA is one of the fastest growing engineering firms in the U.S. with nationally recognized expertise in sustainable, high performance building engineering. We are a collaborative, competitive, innovative, and energetic group of engineers and team leaders who incorporate a holistic approach towards consulting engineering, performance contracting, and zero energy projects. We focus on finding engineers whose personalities lead them to excellence, and we provide exceptiona
Posted 16 hours ago | Updated 4 hours ago

Mechanical Engineer Intern/Co-op Summer 2026 - Energy Solutions - CMTA

Legence Therma LLC

•

Golden, Colorado, USA

Full-time

CMTA, a Legence company CMTA is one of the fastest growing engineering firms in the U.S. with nationally recognized expertise in sustainable, high performance building engineering. We are a collaborative, competitive, innovative, and energetic group of engineers and team leaders who incorporate a holistic approach towards consulting engineering, performance contracting, and zero energy projects. We focus on finding engineers whose personalities lead them to excellence, and we provide exceptiona
Posted 16 hours ago | Updated 4 hours ago

Mechanical Engineer - Propulsion RSE Delegate

Lockheed Martin Corporation

•

Englewood, Colorado, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutio
Posted 60+ days ago | Updated 4 hours ago

Staff Building Mechanical Engineer - HVAC/Plumbing/Utilities (Minneapolis/Denver/Chicago)

Burns & McDonnell

•

Denver, Colorado, USA

Full-time

Description The staff mechanical engineer is responsible for supporting the discipline lead at a project level on simple to complex projects. Project work can include alterations and redevelopment on a variety of project types - process, corporate, industrial, manufacturing, government, and military facilities. The staff mechanical engineer coordinates with internal and external parties, manages multiple complex tasks, establishes priorities, and coordinates with others. The staff mechanical eng
Posted 37 days ago | Updated 4 hours ago

Senior Mechanical Engineer - Mission Critical

Burns & McDonnell

•

Denver, Colorado, USA

Full-time

Description Burns & McDonnell is a company made up of more than 8,000 engineers, architects, construction professionals, scientists, consultants, and entrepreneurs with offices across the country and throughout the world. Burns & McDonnell is 100 percent employee-owned and is proud to be on Fortune's 2020 list of 100 Best Companies to Work For. Burns & McDonnell has exciting opportunities for those interested in growing their careers in one of the most fast paced, innovative sectors of high tech
Posted 60+ days ago | Updated 4 hours ago

Opto-Mechanical Engineer

OSI Engineering, Inc.

•

Boulder, Colorado, USA

Full-time

Our client is looking for a Senior Opto-Mechanical Engineer to join their Opto-Mechanical Engineering team. In this role, the engineer will contribute to product development by delivering designs, conducting analysis, and building and testing state-of-the-art optical assemblies. The position is part of a multi-disciplinary team focused on turning virtual display concepts into reality. This role is based in the Boulder, CO office and will require the candidate to work on-site regularly. If you're
Easy Apply
Posted 31 days ago

Sr Electrical/Mechanical Engineer - Electrical Wiring and Interconnection Systems (EWIS)

Sierra Nevada Corporation

•

Remote or Lone Tree, Colorado, USA

Full-time

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control, Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support. IAS t
Posted 27 days ago | Updated 4 hours ago

Lead Mechanical Engineer - Water/wastewater

Black & Veatch

•

Denver, Colorado, USA

Full-time

Together, we own our company, our future, and our shared success. As an employee-owned company, our people are Black & Veatch. We put them at the center of everything we do and empower them to grow, explore new possibilities and use their diverse talents and perspectives to solve humanity's biggest challenges in an ever-evolving world. With over 100 years of innovation in sustainable infrastructure and our expertise in engineering, procurement, consulting and construction, together we are build
Posted 60+ days ago | Updated 4 hours ago

Senior Mechanical Engineer

HDR, Inc.

•

Denver, Colorado, USA

Full-time

About Us At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we work to weave diversity, equity, and inclusion into our work and foster a sense of belonging throughout the company and within our communities, we constantly ask ourselves: What is our impact on the world? Watch Our Story:' ' Each and every role throughout
Posted 60+ days ago | Updated 4 hours ago

Lead Mechanical Systems Integration Engineer

Lockheed Martin

•

Englewood, Colorado, USA

Full-time

Job DescriptionJob ID: 695258BR Date posted: Jul. 03, 2025 Description:The coolest jobs on this planet or any other are with Lockheed Martin Space. We invite you to join the Fleet Ballistic Missile (FBM) Program Systems Engineering Integration and Test (SEIT) team as a Lead Mechanical Systems Integration Engineer within the Embedded Systems Engineering (ESE) organization. The role of the ESE is to partner with the FBM Propulsion, Structures, Ordnance, and Controls (PSOC) Subsystem Integrated P
Posted 29 days ago | Updated 2 hours ago

Mechanical Test Engineer

Lockheed Martin Corporation

•

Englewood, Colorado, USA

Full-time

Job Description As we enter a new era of Strategic Weapon Systems, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing men and women are on a mission to make a difference in the world and every single day we use our unique skills, talents and experiences to design and build solutions to some of the world's hardest engineering problems. Do you want to be part of a culture that inspires employees to envision the impossible, perform with excellence and build incredible produc
Posted 30 days ago | Updated 4 hours ago

Mechanical Integration Systems Engineer

Lockheed Martin Corporation

•

Littleton, Colorado, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutio
Posted 33 days ago | Updated 4 hours ago

Lead Mechanical Systems Integration Engineer

Lockheed Martin Corporation

•

Littleton, Colorado, USA

Full-time

Job Description The coolest jobs on this planet or any other are with Lockheed Martin Space. We invite you to join the Fleet Ballistic Missile (FBM) Program Systems Engineering Integration and Test (SEIT) team as a Lead Mechanical Systems Integration Engineer within the Embedded Systems Engineering (ESE) organization. The role of the ESE is to partner with the FBM Propulsion, Structures, Ordnance, and Controls (PSOC) Subsystem Integrated Product Teams (IPTs) to shape the design, development, a
Posted 47 days ago | Updated 4 hours ago