Senior Mechanical Engineer Jobs in District of Columbia

1 - 20 of 36 Jobs

Senior Mechanical EngineerJob Title - Senior Mechanical Engineer

LeidosCompany Name - Leidos

•

Springfield, Virginia, USA

Full-time

Description The Multi-Domain Solutions division at Leidos is seeking a Mechanical Engineer to be based on site with our Intel Community customer. This position will be responsible for designing, cost estimating, scheduling, engineering, coordination, contracting, installation oversite, inspection, and acceptance of mechanical systems/services, which include HVAC, HVAC controls, chillers, boiler, water distribution, ductwork, plumbing, and fire protection systems associated with Intel customer fa

Senior Mechanical EngineerJob Title - Senior Mechanical Engineer

LeidosCompany Name - Leidos

•

Chantilly, Virginia, USA

Full-time

Senior Mechanical Engineer PE / Group Manager - (MEP Consulting Engineers) HybridJob Title - Senior Mechanical Engineer PE / Group Manager - (MEP Consulting Engineers) Hybrid

JobotCompany Name - Jobot

•

Washington, District of Columbia, USA

Full-time

Senior Mechanical Engineer PE / Group Manager - (MEP Consulting Engineers) Hybrid + Profit Sharing This Jobot Job is hosted by: Tony Barhoum Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $140,000 - $175,000 per year A bit about us: We are a multi-disciplined engineering firm with over 25 offices across the US. We specialize in MEP Engineering, Energy Efficiency & Building Optimization, Civil/Structural, Architecture, and Planning for new

Senior Mechanical Engineer - NAVY FacilitiesJob Title - Senior Mechanical Engineer - NAVY Facilities

Apex SystemsCompany Name - Apex Systems

•

Washington, District of Columbia, USA

Full-time

Job#: 2073569 Job Description: Job Description Our client is seeking an experienced Senior Mechanical Engineer to support our work as a prime contractor on high-profile U.S. Navy facility development, recapitalization, and construction projects. Accuracy, integrity, subject matter expertise, and the ability to work well independently and with others are important traits we expect the successful candidate to possess and demonstrate. The senior engineer is responsible for providing input to comp

Senior Mechanical Engineer - Energy Solutions - CMTAJob Title - Senior Mechanical Engineer - Energy Solutions - CMTA

Legence Therma LLCCompany Name - 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

Senior Mechanical EngineerJob Title - Senior Mechanical Engineer

HDR, Inc.Company Name - 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

Senior Mechanical EngineerJob Title - Senior Mechanical Engineer

LeidosCompany Name - Leidos

•

Chantilly, Virginia, USA

Full-time

The Multi-Domain Solutions division at Leidos is seeking a Mechanical Engineer to be based on site with our Intel Community customer. This position will be responsible for designing, cost estimating, scheduling, engineering, coordination, contracting, installation oversite, inspection, and acceptance of mechanical systems/services, which include HVAC, HVAC controls, chillers, boiler, water distribution, ductwork, plumbing, and fire protection systems associated with Intel customer facilities and

Senior Mechanical Engineer 1 - NuclearJob Title - Senior Mechanical Engineer 1 - Nuclear

Sargent & Lundy LLC.Company Name - Sargent & Lundy LLC.

•

Elkridge, Maryland, USA

Full-time

Description This is a senior level mechanical engineering position that will provide you with a variety of interesting and challenging responsibilities. We are looking for candidates with experience in the analysis, design, and licensing requirements of mechanical and nuclear systems and components for nuclear power plants. You will be involved in nuclear power plant systems design, including preparation or review of: Modification packages for operating nuclear power plantsSystem and Componen

Senior Mechanical Engineer (10+ years)Job Title - Senior Mechanical Engineer (10+ years)

Coffman Engineers, Inc.Company Name - 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

Senior Mechanical EngineerJob Title - Senior Mechanical Engineer

LeidosCompany Name - Leidos

•

Springfield, Virginia, USA

Full-time

Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. If this sounds like the kind of environment where you can thrive, keep reading! The Leidos National Security Sector

Senior Mechanical Engineer (Hybrid-Puerto Rico)Job Title - Senior Mechanical Engineer (Hybrid-Puerto Rico)

RTX CorporationCompany Name - RTX Corporation

•

Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-06-05 Country: United States of America Location: HPR01: Collins Puerto Rico- Aguadilla Road 110 North Km 28.8 San Antonio Industrial Park, Aguadilla, PR, 00603 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Collins Aerospace is looking to hire a Senior Mechanical Engineer to perform design cost management. The primary focus of this position will be to provide Design to Cost (DTC) support for

Senior Mechanical Engineer 2 - NuclearJob Title - Senior Mechanical Engineer 2 - Nuclear

Sargent & Lundy LLC.Company Name - 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

Senior Mechanical EngineerJob Title - Senior Mechanical Engineer

Pond & CompanyCompany Name - Pond & Company

•

Remote or Peachtree Corners, Georgia, USA

Full-time

About the Position We are seeking a Senior Mechanical Engineer to join our growing Professional Design Services team in either one of the following Pond offices (Atlanta, GA; Augusta, GA; Savannah, GA; Jacksonville, FL; Tempa, FL; Port Orange, FL; Columbia, SC; Charlotte, NC; Huntsville, AL; Mobile, AL; New Orleans, LA) or as a Remote Employee. The ideal candidate possesses 10+ years of related MEP design engineering experience and wants to grow, collaborate, and innovate. In this position, the

Senior Mechanical Engineer 1 - NuclearJob Title - Senior Mechanical Engineer 1 - Nuclear

Sargent & Lundy LLC.Company Name - Sargent & Lundy LLC.

•

Remote

Full-time

Loads and Dynamics Analyst Senior Mechanical EngineerJob Title - Loads and Dynamics Analyst Senior Mechanical Engineer

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

•

Remote or King of Prussia, Pennsylvania, 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

Senior Mechanical Engineer (Hybrid)Job Title - Senior Mechanical Engineer (Hybrid)

Westinghouse Electric Company LLCCompany Name - Westinghouse Electric Company LLC

•

Remote or North Carolina, USA

Full-time

Are you interested in being part of a creative team that supports Westinghouse's mission to provide clean energy solutions? At Westinghouse, we recognize that our employees are our most valuable asset, and we want to recruit the most qualified talent while recognizing and encouraging the value of diversity in the global workplace. About the role: As a Senior Mechanical Engineer, you will be an individual contributor with comprehensive knowledge in the area possessing the complex, or specialize

Senior Mechanical Engineer Analyst 1 (Power Uprates) - NuclearJob Title - Senior Mechanical Engineer Analyst 1 (Power Uprates) - Nuclear

Sargent & Lundy LLC.Company Name - Sargent & Lundy LLC.

•

Remote

Full-time

Description This will be a remote Mechanical Analysis position to support Power Uprates. Our electric power generation clients are seeking to increase the power output of their existing power plants to meet the electric demands. This is expanding work in the Mechanical Analysis Engineering group. You will work on major systems, equipment, and plant process in the following areas: Develop and lead licensing basis system and component evaluations for nuclear power uprate projects.This position w

Senior Mechanical Engineer - Remote MaintenanceJob Title - Senior Mechanical Engineer - Remote Maintenance

Commonwealth Fusion SystemsCompany Name - Commonwealth Fusion Systems

•

Remote or Massachusetts, USA

Full-time

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 working with policymakers and suppliers to build the energy industry of the future. We're in the best position to make it happen. Since 2018, we've raised over $2 billion in capital - more than any other fusion energy company in th

Senior Mechanical Engineer - Plant Layout (Hybrid)Job Title - Senior Mechanical Engineer - Plant Layout (Hybrid)

Westinghouse Electric Company LLCCompany Name - Westinghouse Electric Company LLC

•

Remote or North Carolina, USA

Full-time

Are you interested in being part of a creative team that supports Westinghouse's mission to provide clean energy solutions? At Westinghouse, we recognize that our employees are our most valuable asset, and we want to recruit the most qualified talent while recognizing and encouraging the value of diversity in the global workplace. About the role: As a Senior Mechanical Engineer for Plant Layout Engineering, you will Support teams for design, fabrication, construction, and maintenance of large-s

Senior Mechanical Engineer (Hybrid)Job Title - Senior Mechanical Engineer (Hybrid)

Westinghouse Electric Company LLCCompany Name - Westinghouse Electric Company LLC

•

Remote or Rock Hill, South Carolina, USA

Full-time

Are you interested in being part of a creative team that supports Westinghouse's mission to provide clean energy solutions? At Westinghouse, we recognize that our employees are our most valuable asset, and we want to identify the most qualified talent while recognizing and encouraging the value of diversity in the global workplace. If this sounds like an environment you would thrive in, we have an exciting opportunity as a Senior Mechanical Engineer. The Senior Mechanical Engineer will report to