Mechanical Engineer jobs in Colorado

Littleton, Colorado

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Today

Mid-size engineering firm looking for a building design mechanical engineer with PE This Jobot Job is hosted by: Lincoln Sprague Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $120,000 - $140,000 per year A bit about us: We are a Full-Service Engineering company that specializes in providing design and engineering services for all aspects of building and utility infrastructure construction. Our retention rates are incredible and have extre

Full-time

USD 120,000.00 - 140,000.00 per year

Mechanical Engineer

Remote

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Today

Job ID: 2616752 Location: Remote Work, IN, US Date Posted: 2026-09-11 Category: Engineering and Sciences Subcategory: Mechanical Engr Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: Interim_Secret Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: ORA_REMOTE Description SAIC is seeking a Mechanical Engineer to serve as an In-Service Engineering Agent (ISEA) in support of hypersonic weapons systems deployed aboard the Z

Full-time

USD 120,001.00 - 160,000.00 per year

Senior Mechanical Engineer

Remote or Oak Ridge, Tennessee

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Today

RESPONSIBILITIES: Kforce has a clienty in Oak Ridge, TN that is seeking a Senior Mechanical Engineer responsible for design, layout, installation, and maintenance of piping systems and associated supports. This role will support the overall design and analysis of mechanical components, systems and piping designs for nuclear and commercial projects. Responsibilities: * Creates detailed engineering drawings, P&IDs, and 3D models for piping routes, equipment, placement, and plant setup * Performs

Contract

$150 - $160 hourly

Applied Mechanical Engineer

Colorado Springs, Colorado

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Today

Provides applied mechanical engineering for a novel advanced reactor design project. Apply engineering principles to the solution of mechanical problems as they relate to reactor design activities. Mechanical problems are those that are related to the motion and dynamics of heat, gas, air, fluids, and solid materials required to design nuclear reactors and systems that function in a safe and reliable, efficient, and predictable manner. Must be proficient in designing systems in accordance with r

Full-time

USD 110,000.00 - 195,000.00 per year

Mechanical Procurement Engineer Senior

Remote

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Today

Job ID: 2617041 Location: Remote Work, DC, US Date Posted: 2026-09-18 Category: Engineering and Sciences Subcategory: Mechanical Procurement Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 25% of the time Minimum Clearance Required: Interim_Secret Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: ORA_HYBRID Description We are seeking a technically capable and detail-oriented Senior Mechanical Procurement Engineer to join our team. In this role, you wil

Full-time

USD 80,001.00 - 120,000.00 per year

Staff Power Systems Engineer, Mechanical Design

Remote

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Today

Req ID: 139209 Remote Position: Yes Region: Americas Country: USA General Overview Job Title: Staff Engineer, Mechanical Design Functional Area: Engineering (ENG) Career Stream: Design Engineering Mechanical (DEM) Role: Staff Engineer (SEN) Job Code: SEN-ENG-DEM Job Band: 10 Direct/Indirect Indicator: Indirect Summary We are seeking a versatile Solutions Mechanical Design Engineer to lead the physical design and development of our emerging energy infrastructure portfolio. In this role, y

Full-time

USD 118,000.00 - 162,000.00 per year

Contractor - Nuclear Mechanical Engineer 4 (NSSS Vessels & Structures)

Remote

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18d ago

TITLE: Contractor - Nuclear Mechanical Engineer 4 (N Vessels & Structures) LOCATION: Remote with 20% Travel to Houston, TX DURATION: 6-9 Months KEYS: ANSYS ( Finite Element Software) Stress Analysis; ANSYS APDL PYTHON AND MATLAB; N ( Nuclear Steam Supply System) ALWR ( Advanced Light Water Reactor); ASME BPVC Section ASME NQA-1 Quality Assurance Requirements JOB DESCRIPTION: This is a 40 hour/week contract position anticipated to last through all of 2026 and potential into 2027. Work may be p

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Contract

75 - 95

Mechanical Engineer

Remote

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Today

Mechanical EngineerIntroductionThis role involves leading or contributing to geometry control solutions as part of a team, including 3D dimensional analysis and datum coordination. The Mechanical Engineer will collaborate with cross-functional teams to generate concepts and detailed designs, apply variation simulation modeling, and support measurement plan execution. ResponsibilitiesLead or contribute to geometry control solutions as a part of a teamLead tolerance analysis and GD&T development e

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Contract, Third Party

Depends on Experience

Mechanical Design Engineer

Remote

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7d ago

100% Remote, 6 Months Contract We are seeking a Mechanical Engineering Data Specialist to bridge traditional mechanical engineering expertise with modern AI-driven data operations. This role focuses on reviewing, curating, and annotating complex engineering datasets to support computational models, automated design systems, and data-centric engineering solutions. The ideal candidate will analyze CAD/CAE data, document design lifecycle changes, and develop structured guidelines that capture engin

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Contract

55 - 57

Perm/Remote Mechanical Engineer 5 (NSSS Piping & Integration)

Remote

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3d ago

Title: Perm/Remote Mechanical Engineer 5 (N Piping & Integration) This position is available for full-time remote work within the contiguous Unites States with travel to Seine Client physical offices as needed. Travel estimate: 25% Preference is for candidates available to work from our Corvallis, OR office location. Job Description * Must have excellent communication skills. * This is a Perm/Full Time Employee position to include healthcare benefits, 401K and such. This position is availabl

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Full-time

152000 - 185000

Mechanical Engineer

Remote or Idaho Falls, Idaho

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Today

Pay Range USD $150,000.00 - USD $200,000.00 /Yr. About Us Join Our Mission At Omega Technical Services, every role supports a mission that matters. Whether you're advancing national security, driving innovation in nuclear infrastructure, or supporting critical DOE and DoD operations, you're part of something bigger here. Overview Omega Technical Services is seeking an experienced Mechanical Engineer to support the design and development of a novel advanced nuclear reactor. This position ap

Full-time

USD 150,000.00 - 200,000.00 per year

Senior Mechanical Engineer

Remote or Santa Clara, California

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Today

Thanks for your interest in Oklo! We are searching for a Sr. Mechanical Engineer to join our fuel recycling engineering team within Oklo's Recycling Division. Position Description You will serve as Oklo's technical expert for high-temperature process piping, pressure vessels, and pressure-retaining components supporting the Oak Ridge Fuel Recycling Facility (OFRF). You will own the mechanical design basis, analysis, code compliance, and technical interfaces for these systems from early design

Full-time

USD 175,000.00 - 210,000.00 per year

Senior Mechanical Engineer

Remote

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Today

Responsibilities This is a remote/virtual position. Candidate can be based anywhere within the United States. Overview: Sargent & Lundy Consulting (SLC) works on behalf of clients to support electric power projects. We evaluate and optimize technical, commercial, environmental, and financial aspects of the projects for a variety of clients. Responsibilities: In this role, you will provide development support, conceptual design and owner's engineer services to clients including performing tech

Full-time

USD 118,023.00 - 180,313.00 per year

Project Mechanical Engineer

Remote or Novi, Michigan

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Today

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 34,000 people, in over 30 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world's most complex challenges and deliver more impact together. Role description: Arcadis is looking to hire a Senior Mechanical Engineer to support our multi

Full-time

USD 110,000.00 - 150,000.00 per year

Senior Mechanical Engineer 2 - Nuclear

Remote

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Today

Responsibilities This role offers a hybrid work arrangement. You'll spend three days a week in the office, giving you the flexibility to work remotely for two days. 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 sp

Full-time

USD 100,019.00 - 152,807.00 per year

Lead Mechanical Engineer 2 - Nuclear

Remote

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Today

Responsibilities 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 modification

Full-time

USD 134,546.00 - 205,557.00 per year

Mechanical Engineer - Aerospace

Remote or Folsom, California

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Today

Voyager is an innovative space, defense, and national security technology company committed to advancing and delivering transformative, mission-critical solutions. We tackle the most complex challenges to unlock new frontiers for human progress, fortify national security, and protect critical assets to lead in the race for technological and operational superiority from ground to space. Forge the Future: Join Voyager Technologies The future belongs to those who build it. At Voyager Technologies

Full-time

USD 97,000.00 - 199,000.00 per year

Senior Mechanical Engineer, Mission Critical

Remote or Glendale, California

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Today

Job Description $5,00 referral bonus At EXP, we're driven to provide innovative solutions for the world's built and natural environments. As a team of engineers, architects, designers, scientists, creators and a community of professionals, we bring diverse and talented people together to solve the world's most complex challenges. Here, you join a team that leverages differences, harnesses their entrepreneurial spirit in an employee-owned company, that believes diversity is what gives us streng

Full-time

USD 150,000.00 - 170,000.00 per year

Staff Mechanical Engineer - Remote Maintenance

Remote or Massachusetts

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Today

About Commonwealth Fusion Systems: Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy. Combining decades of research, top talent, and new technologies, we're designing and building commercially viable fusion power plants. And we're working with policymakers, suppliers, and many others to build the energy industry of the future. We're in the best position to make it happen. Since 2018, we've raised $4 billion of capital, making us the largest and leadi

Full-time

USD 130,000.00 - 200,000.00 per year

Sr. Staff Mechanical Engineer - BlueSky (R5825)

Remote or Los Angeles, California

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Today

Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and synthetic reality technologies. With offices and facilities across the U.S., Europe, the Middle East, and Asia-Pacific, Shield AI's technology actively supports operations worldwide. For more information, visit Follow Shield AI on LinkedIn, X, Instagram, and

Full-time

USD 175,000.00 - 250,000.00 per year

Mechanical Engineer jobs in Colorado, USA