mechanical Jobs in District of Columbia

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Lead Mechanical Engineer 1 - Nuclear

Sargent & Lundy LLC.

•

Elkridge, Maryland, 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 53 days ago | Updated 8 hours ago

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

Legence Therma LLC

•

Fairfax, Virginia, 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 1 day ago | Updated 8 hours ago

Staff Mechanical Engineer - R&D Robotics

Johnson & Johnson

•

Remote or Santa Clara, California, USA

Full-time

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn m
Posted 52 days ago | Updated 8 hours ago

Mechanical Engineer - CMTA

Legence Therma LLC

•

Arlington, Virginia, 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 33 days ago | Updated 8 hours ago

Senior Mechanical Engineer 1 - Government Services

Sargent & Lundy LLC.

•

Remote

Full-time

Description Sargent & Lundy's Government Services Division provides cutting-edge engineering and consulting to the management and operating contractors for the US Department of Energy (DOE) and the National Nuclear Security Administration (NNSA). What does this mean? You can be a part of multi-discipline teams developing and designing facilities, systems, and equipment for the nation's major research laboratories and the legacy nuclear weapons production complex. This critical engineering work
Posted 27 days ago | Updated 8 hours ago

Senior Mechanical Engineer - Energy Solutions - CMTA

Legence Therma LLC

•

Fairfax, Virginia, 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 13 days ago | Updated 8 hours ago

Senior Mechanical Engineer

Bechtel Corporation

•

Reston, Virginia, USA

Full-time

Requisition ID: 286030 Relocation Authorized: None Telework Type: Part-Time Telework Work Location: Reston, VA Extraordinary teams building inspiring projects: Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world's infrastructure, increased access to energy, resources, and vital services, and made the world a safer, cleaner place. Differentiated by the qua
Posted 4 days ago | Updated 8 hours ago

Mechanical Engineer Intern/Co-op Spring 2026

Legence Therma LLC

•

Arlington, Virginia, 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 28 days ago | Updated 8 hours ago

Mechanical Engineer Intern/Co-op Spring 2026 - CMTA

Legence Therma LLC

•

Arlington, Virginia, 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 29 days ago | Updated 8 hours ago

Sr. Mechanical Engineer, Hardware Simulation

Johnson & Johnson

•

Remote or Santa Clara, California, USA

Full-time

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn m
Posted 24 days ago | Updated 8 hours ago

Eng II, Mechanical Engineering

Nightwing

•

Springfield, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th
Posted 40 days ago | Updated 8 hours ago

Mechanical Engineer/Designer

Salas O'Brien Engineers Incorporated

•

Tysons, Virginia, USA

Full-time

Mechanical Engineer/Designer At Salas O'Brien we tell our clients that we're engineered for impact. This passion for making a difference applies just as much to our team as it does to our projects. That's why we're committed to living our values every day: inspiring, achieving, and connecting as shared owners of our success with a focus on a sustainable future. Building for the long-term means that all of our team members can expect to work on amazing projects with a people-first approach to p
Posted 48 days ago | Updated 8 hours ago

Senior Mechanical Engineer 2 - Nuclear

Sargent & Lundy LLC.

•

Remote

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 60+ days ago | Updated 8 hours ago

Mechanical Engineering Consultant 2 - Nuclear

Sargent & Lundy LLC.

•

Remote

Full-time

Description This position will offer you the opportunity to manage project(s) consisting of engineers, designers, controls and scheduling professionals involved in the design, modification, and analysis of new and existing nuclear power plant modifications. The position will involve coordinating with multiple internal and external departments to manage the life cycle of project execution. Responsible for project execution, coordination of resources from each discipline as requiredTake ownership
Posted 52 days ago | Updated 8 hours ago

Senior Mechanical Engineer (10+ years)

Coffman Engineers, Inc.

•

Fulton, Maryland, USA

Full-time

Company Description At Coffman Engineers, we serve as both prime consultant and sub consultant on projects large and small, including commercial, retail, institutional, government, industrial, and project/construction management. Incorporated in 1979, we have employees in more than 20 locations serving clients across the United States and overseas. To meet client objectives and to integrate our many disciplines, we can create teams comprised of civil, structural, mechanical, electrical, fire p
Posted 60+ days ago | Updated 8 hours ago

Mechanical Commissioning Engineer

JLL

•

Remote or Atlanta, Georgia, USA

Full-time

JLL empowers you to shape a brighter way. Our people at JLL and JLL Technologies are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you've got deep experience in commercial real estate, skilled trades or technology, or you're looking to apply your relevant e
Posted 52 days ago | Updated 8 hours ago

Mechanical Engineer - Mid Level (Hybrid)

Barr Engineering

•

Remote or Ann Arbor, Michigan, USA

Full-time

The role - what you'll do Barr is seeking a mechanical engineer to join our team. In this hybrid role, you will support the Engineering and Design business unit, working with multidisciplinary project teams to serve industrial clients in the power generation, oil and gas, mining, and manufacturing sectors. You will use your expertise to develop and review engineering calculations, system specifications, and construction drawings; select equipment and components; and guide project execution from
Posted 6 days ago | Updated 8 hours ago

Senior Mechanical Engineer

HDR, Inc.

•

Arlington, Virginia, 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 8 hours ago

Mechanical Engineer - Energy Solutions - CMTA

Legence Therma LLC

•

Fairfax, Virginia, 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 55 days ago | Updated 8 hours ago

Mechanical Advisory Engineer - Bearing & Tribology Specialist (Hybrid)

RTX Corporation

•

Remote or Rockford, Illinois, USA

Full-time

Date Posted: 2025-07-15 Country: United States of America Location: A01: Rockford - Aerospace 4747 Harrison Avenue, Rockford, IL, 61125 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required At Collins Aerospace, we're not just designing the future of aerospace, we're building it. With cutting-edge technology, a legacy of excellence, and a collaborative culture that empowers talent, we're leading the charge in electr
Posted 6 days ago | Updated 8 hours ago