Average salary: $107,500 /yearly

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  •  ...our nation’s most critical defense programs. Through the power of our combined capabilities, we provide deep expertise in Advanced Engineering; Digital Transformation; Electromagnetic Warfare; Interactive Training & Simulation; Physical Sciences Research; Platform... 
    Suggested
    Local area

    Precise Systems, Inc.

    Washington DC
    2 days ago
  • $120k - $150k

     ...Job Description We are seeking an HVAC Mechanical Engineer / Project Developer to join our federal team that specializes in supporting U.S. military and other U.S. federal government sites, primarily within our Mid-Atlantic / National Capital Region (VA/MD/DC area... 
    Suggested
    Full time
    For subcontractor
    Local area
    Remote work
    Work from home
    Worldwide

    Johnson Controls

    Washington DC
    15 hours ago
  • A defense contracting company is seeking an Acoustic Engineer to support the Acoustics Systems Integration Team in Washington, DC. This role involves providing technical support to the U.S. Navy's VIRGINIA Class Submarine program, requiring expertise in acoustic engineering... 
    Suggested
    Full time

    Precise Systems, Inc.

    Washington DC
    1 day ago
  • Chloeta is hiring a Mechanical Engineer in Arlington, Virginia. This position involves providing engineering services for federal facilities, focusing on designing and analyzing mechanical systems. You will work within a multidisciplinary team, ensuring sustainable systems... 
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    Chloeta

    Arlington, VA
    1 day ago
  • A leading engineering firm is looking for co-op students pursuing a degree in Mechanical or Architectural Engineering. This full-time position offers hands-on training in mechanical design and HVAC systems. The ideal candidate will excel in teamwork and communication. The... 
    Suggested
    Hourly pay
    Full time
    Internship

    CMTA, Inc

    Arlington, VA
    15 hours ago
  • $90k - $150k

    Affiliated Engineers, Inc. is hiring a Mechanical Engineer II for their Washington, D.C. office. This role focuses on empowering clients to achieve energy-efficient building solutions. The ideal candidate will have a BSAE or BSME, 5-10 years of HVAC design experience, and... 
    Suggested
    Work at office

    Affiliated Engineers, Inc.

    Washington DC
    1 day ago
  • R&P Technologies is seeking a Senior Marine Engineer to support its Systems Engineering team with a focus on shipboard propulsion and electrical distribution systems. The ideal candidate will have over 15 years of experience and must hold a Bachelor's degree in an engineering... 
    Suggested

    R&P Technologies

    Washington DC
    4 days ago
  • Position Mechanical Engineer - Industrial HVAC Location Akron, Ohio (Hybrid - minimum 3 days/week on-site) Work Type: Hybrid (On-site collaboration required; no remote option) Experience and Employment Type Experience Required: 5+ years (Industrial HVAC experience strongly... 
    Suggested
    Full time
    Remote work
    Relocation package
    3 days per week

    AHU Technologies Inc

    Washington DC
    1 day ago
  • $130k

    Johnson Controls is seeking an HVAC Mechanical Engineer to design and optimize HVAC systems for smart, healthy, and sustainable buildings. In this role, you will perform load calculations, select equipment, and develop detailed layouts and specifications that meet safety... 
    Suggested

    Johnson Controls

    Washington DC
    16 days ago
  • $118k - $130k

     ...by WSP's health, safety and drug/alcohol and harassment policies Minimum Qualifications: ~ Bachelor's degree in Mechanical Engineering, Architectural Acoustics, Audio Technology, or similar degree with coursework in architectural acoustics. ~5+ years' experience... 
    Suggested
    Work at office
    Local area
    Flexible hours

    WSP

    Arlington, VA
    15 hours ago
  • $4,000 per month

     ...ABOUT The most powerful energy sources in the world need the most powerful minds behind them. As a Nuclear Reactors Engineer, you’ll be responsible for researching, designing, maintaining, operating and regulating the nuclear reactors and power plants that drive the... 
    Suggested
    Full time
    Immediate start
    Relocation package

    U.S. Navy

    Washington DC
    15 hours ago
  • Mainstream Engineering Corporation in Alexandria, Virginia is seeking a motivated Thermal Engineer with over 10 years of experience to develop innovative thermal management products for military and commercial applications. The ideal candidate will hold a PhD in Mechanical... 
    Suggested

    Mainstream Engineering Corporation

    Alexandria, VA
    3 days ago
  • Overview R&P is looking for a Senior Marine Engineer with expertise in shipboard propulsion and electrical distribution systems to support our customer’s Systems Engineering team. We are a small-sized defense contractor providing Engineering, Logistics, Program Management... 
    Suggested
    For contractors
    Work experience placement
    Work at office

    R&P Technologies

    Washington DC
    1 day ago
  • Position Summary We are looking for motivated thermal engineers to develop cutting-edge products for our military, governmental, and commercial...  ...next idea, analytical calculations, computational simulations (CFD and FEA), laboratory build and testing, and direct customer... 
    Suggested

    Mainstream Engineering Corporation

    Alexandria, VA
    2 days ago
  • Cannon Design is seeking an experienced engineer for a remote position focused on HVAC systems design. Candidates should have a minimum of 8 years of relevant experience and a PE license in the U.S. The role requires strong analytical and communication skills, plus proficiency... 
    Suggested
    Remote work

    CannonDesign

    Arlington, VA
    6 days ago
  • A defense contractor in Washington, DC is seeking a Senior Naval Engineer to provide critical design and technical support to NAVSEA customers. This role involves managing technical requirements for various shipbuilding programs, requiring extensive expertise in naval... 
    For contractors

    Cydecor

    Washington DC
    3 days ago
  • A leading defense and engineering firm is seeking a Marine Engineer for their Arlington, VA location. In this role, you will support the design of ships and other marine systems and provide engineering analysis and deliverables. Candidates should have a Bachelor's degree... 

    Serco

    Arlington, VA
    15 hours ago
  • $110k - $120k

     ...have grown in the past ten years, including infrastructure resiliency, contact center operations, information technology, software engineering, program management, strategic communications, engineering, and cybersecurity. We have also grown our customer base to include... 
    Work experience placement
    Work at office
    Local area
    Remote work
    3 days per week

    Pantheon Data

    Washington DC
    2 days ago
  • $45.9k - $91.9k

    CACI International Inc. is seeking a Naval Architecture and Marine Engineering Intern for Summer 2026 in Washington, DC. This part-time role involves designing and analyzing ship systems, with a focus on developing new concepts and supporting feasibility evaluations. The... 
    Part time
    Summer work
    Internship

    CACI International Inc.

    Washington DC
    15 hours ago
  •  ...Ship Designer and Project Manager with C5I experience who wants to join our team. We are a small-sized defense contractor providing Engineering, Logistics, Program Management and Technical Services to government clients. We need a degreed Engineer with a minimum 10-years... 
    Contract work
    For contractors
    For subcontractor
    Remote work

    R&P Technologies

    Washington DC
    4 days ago
  • AHU Technologies Inc is seeking a Mechanical/HVAC Engineer II to support engineering projects across chemical, manufacturing, and industrial facilities. This role involves designing HVAC systems, performing load calculations, and coordinating with multidisciplinary teams... 
    Remote job

    AHU Technologies Inc

    Washington DC
    15 hours ago
  • $45.9k - $91.9k

    ## Naval Architecture and Marine Engineering Intern - Summer 2026Washington, DC, USApply NowFind out how well you match with this jobJob ID326149Job Title: Naval Architecture and Marine Engineering Intern - Summer 2026Job Category: Intern/Co-opTime Type: Part timeMinimum... 
    Contract work
    Part time
    Work experience placement
    Summer work
    Internship
    Summer internship
    Work at office
    Flexible hours

    CACI International Inc.

    Washington DC
    15 hours ago
  • $165.3k - $185k

    Job Description Cydecor is seeking a Senior Naval Engineer to provide design and technical support to a NAVSEA customer. There are several openings spanning human systems integration, electrical engineering, and naval architecture disciplines. This role will support the... 
    Hourly pay
    Contract work
    Temporary work
    Work experience placement
    Interim role

    Cydecor

    Washington DC
    3 days ago
  •  ...future of Navy support. ICI Services —a 100% employee-owned company proudly celebrating 26 years of excellence —is seeking a Senior Engineer to join our team in Washington, DC . At ICI Services, our employee-owners drive innovation and deliver mission-focused solutions... 
    For contractors

    International Executive Service Corps

    Washington DC
    15 hours ago
  • $80k - $95k

    Salas O’Brien, Inc. in Bethesda, MD is hiring an Entry-Level Mechanical Engineer to join a fast-paced multi-discipline team. Responsibilities include developing HVAC system designs, performing load calculations, and providing construction support. Candidates should possess... 

    Salas O’Brien, Inc.

    Bethesda, MD
    4 days ago
  •  ...acquisition programs, maintenance/modernization programs, and sustainment programs with solutions in Digital Transformation, Advanced Engineering, Physical Sciences Research, Platform Lifecycle Support, and Technical Services. Since our establishment, we have demonstrated... 
    Work at office
    Local area

    Precise Systems, Inc.

    Washington DC
    4 days ago
  • A leading engineering firm is seeking a Buildings Mechanical Engineer to ensure project compliance and manage HVAC deliverables for government agencies. You will create schedules and mentor team members. Candidates must have a Bachelor's in Mechanical or Architectural Engineering... 
    Full time
    Flexible hours

    Black & Veatch

    Arlington, VA
    2 days ago
  •  ...project documents Provide construction contract administration as needed Conduct QA/QC on the work of other Mechanical Project Engineers, Mechanical Project Coordinators or Mechanical CAD Technicians as needed Perform other duties as needed Preferred Qualifications... 
    Full time
    Contract work

    HDR, Inc.

    Arlington, VA
    2 days ago
  • $75k - $98k

     ...activities, we strive to help save energy, improve productivity, and ensure a better environment. AHRI has an opening for a HVAC Program Engineer with our Program Operations Team. The HVAC Program Engineer’s primary responsibility is the management of assigned HVACR industry... 
    H1b
    Remote work

    AHRI

    Arlington, VA
    2 days ago
  • $123.6k - $170k

     ...well‑designed strategies tailored for every market and every location. Job Summary We’re looking for a high‑energy, Senior HVAC Engineer with extensive experience in dust collection systems to help deliver solutions to our clients. Join us, and you’ll impact our success... 
    Full time
    Work at office
    Remote work

    Jacobs

    Washington DC
    15 hours ago