• Southland Industries (Dulles, VA)
    …loads, equipment selection and sizing, etc., depending on discipline-HVAC, plumbing, mechanical , fire protection, etc. + Performs site inspections to determine ... compliance with construction documents and resolves design issues during construction phase. + Attends project team meetings as design expert. + Responsible for successful achievement of project goals and objectives. + Manages a smaller group of engineers,… more
    DirectEmployers Association (09/27/25)
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  • Principal , Mechanical

    Amazon (Herndon, VA)
    …generation of air handling infrastructure for our data centers. AWS is seeking a Principal , Mechanical Engineer for our team developing new infrastructure ... base and drive continuous improvement at scale A day in the life A Principal , Mechanical Engineer for Air Handling works closely with key partners to… more
    Amazon (07/31/25)
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  • Principal Mechanical Engineer

    Curtiss-Wright Corporation (Ashburn, VA)
    Principal Mechanical Engineer - Onsite Position As our **_Principal Mechanical Engineer_** you will design and analyze complex VPX based electro- ... mechanical systems for thermal design, structural design, and packaging...for direct support to personnel in the preparation of mechanical models, drawings, thermal, and structural reports. You will… more
    Curtiss-Wright Corporation (10/16/25)
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  • Engineer Professionals- Ongoing Talent…

    V2X (Reston, VA)
    …+ Senior Systems Engineer + Engineering Manager + Principal Electrical Engineer + Chief Mechanical Engineer + Senior Software Architect + Director ... positions, including but not limited to: Entry-Level (0-3 Years Experience) + Systems Engineer + Mechanical Engineer + Electrical Engineer + Civil … more
    V2X (08/28/25)
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  • Lead/ Principal ASME Codes and Standards…

    MPR Associates (Alexandria, VA)
    …seeking a capable and motivated Lead/ Principal ASME (American Society of Mechanical Engineers) Codes and Standards Engineer to join our team. If you ... solutions applicable from conceptual design to full qualification. Duties/Responsibilities The Lead/ Principal ASME Codes and Standards Engineer will: + Plan,… more
    MPR Associates (07/31/25)
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  • Principal /Sr. Principal Electronics…

    Northrop Grumman (Chantilly, VA)
    …Signals Intelligence Mission Solutions (SMS) Department. This role can be filled as a Principal or Sr. Principal Electrical Engineer . ** Principal ... in basic Surface Mount Technology (SMT) soldering and assembly skills. **Senior Principal Electronics Engineer ** **Basic Qualifications:** + Must be a US… more
    Northrop Grumman (10/16/25)
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  • Principal Hardware Engineer

    Curtiss-Wright Corporation (Ashburn, VA)
    ** Principal Hardware Engineer - Ashburn, VA** We have a great opportunity for a **_Principal_** **_Hardware Engineer to_** join our team Defense Solutions ... Group CW is looking for an experienced **_Principal_** **_Hardware Engineer who_** _will plan, lead, and design complex electrical boards, eg, single board computers… more
    Curtiss-Wright Corporation (10/05/25)
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  • Principal Systems Engineer

    QinetiQ US (Mclean, VA)
    …professional and personal lives. Position Overview We are seeking an experienced and dynamic Principal Systems Engineer . We are seeking a Systems Engineer ... (Multi-disciplined, preferred ISR). The Principal Systems Engineer will be responsible for designing, integrating, testing, and supporting advanced ISR systems,… more
    QinetiQ US (10/16/25)
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  • Lead/ Principal Nuclear Engineer

    MPR Associates (Alexandria, VA)
    …team and project management responsibilities will be included. Duties/Responsibilities The Lead/ Principal Nuclear Engineer will: + Plan, lead, and enable the ... consulting firm, is actively seeking capable and motivated Lead/ Principal Nuclear Engineers to join our team. If you...test facilities. We are currently seeking an experienced nuclear engineer to guide, challenge, and mentor our growing team… more
    MPR Associates (09/26/25)
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  • Sr. Principal Manufacturing Engineer

    Northrop Grumman (Dulles, VA)
    …roles in a fast-paced manufacturingenvironment ​ \#NOVASPACE **Basic Qualifications:** + Sr. Principal Manufacturing Engineer - Bachelor's degree or higher in ... history, they're making history. Northrop Grumman is hiring a Senior Manufacturing Engineer to support our Electronic Components Work Center (ECWC) for the Tactical… more
    Northrop Grumman (10/15/25)
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  • Jr. Mechanical Engineer

    Advanced Technology and Research Corporation (Indian Head, MD)
    Jr. Mechanical Engineer Location: Indian Head, MD Department: Engineering Services Type: Full Time Min. Experience: Entry Level Salary Range: $86,000 to $100,000 ... successful applicant will join ATR's Engineering Services Division, working as a Jr. Mechanical engineer at the Naval Surface Warfare Center, Indian Head… more
    Advanced Technology and Research Corporation (09/16/25)
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  • Mechanical Engineer

    Advanced Technology and Research Corporation (Bethesda, MD)
    Mechanical Engineer Location: Bethesda, MD Type: Full-Time Min. Experience: Mid-Level Salary Range : $ 90,000 -110,000 USD per year Advanced Technology & ... color, religion, gender, national origin, age, disability or veteran status. PRINCIPAL DUTIES & RESPONSIBILITIES: The successful applicant will join ATR's… more
    Advanced Technology and Research Corporation (10/14/25)
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  • Mechanical Engineer

    Delphinus Engineering (Bethesda, MD)
    …support of surface fleet, submarine, and shore-based installations in support of Hull, Mechanical and Electrical (HM&E) machinery and systems support to the US Navy. ... This position will be on-site work only. LOCATION: West Bethesda, MD. PRINCIPAL DUTIES/RESPONSIBILITIES: + Provides support to Naval personnel with the removal,… more
    Delphinus Engineering (09/21/25)
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  • HR Business Partner Principal , O&M (with…

    M. C. Dean (Vienna, VA)
    …at MC Dean, you will join forces with more than 5,800 professionals who engineer and deploy automated, secure and resilient power and technology systems; and deliver ... You will support a Strategic Business Unit (SBU) in the commercial, mechanical services, Plumbing and HVAC industries. Additionally, you will support our many… more
    M. C. Dean (08/27/25)
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  • eCad Electrical Engineer - Level 4

    Northrop Grumman (Dulles, VA)
    …in accordance with internal library standards. + Work closely with electrical and mechanical engineer to ensure layout meets electrical, mechanical , and ... systems as part of Northrop Grumman's Tactical Space Division. We are seeking a Sr. Principal ECAD Engineer specializing in PCB layout design to join our growing… more
    Northrop Grumman (09/23/25)
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  • Technology Development Engineer

    Advanced Technology and Research Corporation (Indian Head, MD)
    Technology Development Engineer Location: Indian Head, MD Department: Engineering Services Type: Full Time Min. Experience: Entry Level Salary Range: $90,000 - ... or veteran status. Qualified persons should apply at: https://advancedtechnologyandresearchcorporation.applytojob.com/apply PRINCIPAL DUTIES AND RESPONSIBILITIES: The successful applicant will join… more
    Advanced Technology and Research Corporation (09/16/25)
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  • RF Engineer

    Advanced Technology and Research Corporation (West Bethesda, MD)
    RF Engineer Location: West Bethesda, MD Type: Full Time Min. Experience: Mid-Level Salary Range: $85,000-$120,000 USD per year Advanced Technology & Research ... contact the Director of Human Resources at ###@atrcorp.com EEO/AA/Vets/Disabled PRINCIPAL DUTIES AND RESPONSIBILITIES: The successful applicant will join ATR's… more
    Advanced Technology and Research Corporation (09/21/25)
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  • Senior Electrical Engineer - Simulation…

    RTX Corporation (Sterling, VA)
    …a security clearance **Security Clearance:** DoD Clearance: Secret **Senior Electrical Engineer ** **- Simulation & Training (Onsite)** The Simulation and Training ... Solutions group is looking for a skilled Principal Electrical Engineering professional to join our team in...designs. + Work closely with other engineering disciplines (eg, Mechanical , Software and Systems Engineering) to ensure that electrical… more
    RTX Corporation (10/17/25)
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  • Radar Cross Section Mitigation Engineer

    Advanced Technology and Research Corporation (Bethesda, MD)
    RCS Mitigation Engineer Location: Bethesda, MD Type: Full Time Min. Experience: Mid Level: Salary Range : $80,000-$120,000 USD per year Advanced Technology & ... color, religion, gender, national origin, age, disability or veteran status. PRINCIPAL DUTIES & RESPONSIBILITIES: The successful applicant will join ATR's… more
    Advanced Technology and Research Corporation (08/08/25)
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  • Chemical Engineer

    Delphinus Engineering (Bethesda, MD)
    …setting. LOCATION: Naval Surface Warfare Center Carderock, West Bethesda, MD PRINCIPAL DUTIES/RESPONSIBILITIES: + Research marine environmental equipment for the US ... reports. EDUCATION and EXPERIENCE MUST HAVE: + Bachelor's Degree in Engineering ( Mechanical , Chemical or Environmental) REQUIREMENTS: + Ability to obtain a DoD… more
    Delphinus Engineering (09/21/25)
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