• Mechanical Fitter/HVAC

    Leidos (Springfield, VA)
    …with design and performance standards. + Read and interpret piping blueprints, isometric drawings, P&IDs ( Piping and Instrumentation Diagrams), and ... to perform installation, fabrication, maintenance, and repair of mechanical piping systems across commercial and industrial facilities. The ideal candidate… more
    Leidos (06/06/25)
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  • Data Center Design Mechanical Engineer

    Meta (Reston, VA)
    **Summary:** Meta is seeking an Mechanical Engineer Design Lead experienced in the design and construction of Critical Facilities to become part of our data ... center design team. Our data centers are the foundation upon...as Early Warning/Detection Systems, Double Interlock Pre-Action, and Wet Pipe Systems 24. Knowledge of Environmental, Health and Safety… more
    Meta (08/13/25)
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  • Senior Mechanical Design Engineer

    Southland Industries (Dulles, VA)
    **POSITION SUMMARY** Manages all aspects of a project's design with project management, architects, and other trades through the completion phase of a large project ... do:** Provides leadership and management to a group of design engineers in performing HVAC system design ...project, such as heating/cooling loads, equipment selection, and sizing, pipe and duct sizing, friction loss calculations, etc. +… more
    Southland Industries (07/16/25)
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  • Intern - Design Engineer

    Southland Industries (Dulles, VA)
    …program is designed to introduce candidates to a career in the field of Design Engineering for the Design /Build HVAC, Plumbing and Fire Protection industry. ... Primary responsibility is to assist the design team in all aspects of our work. **What...project, such as heating/cooling loads, equipment selection, and sizing, pipe and duct sizing, friction loss calculations, etc. +… more
    Southland Industries (07/19/25)
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  • Engineer, Senior Engineer, Staff Engineer…

    Dominion Energy (Glen Allen, VA)
    …attributes. The Engineer will be actively engaged in ownership of the Underground Pipe & Tank Inspection (UPTI) program. This role will identify and prioritize ... needed inspection and repair scope of critical piping to ensure in-scope piping are maintained...and Components (FP&C) organization in the Nuclear Engineering Fleet Design Engineering and Programs department. The team has responsibility… more
    Dominion Energy (08/09/25)
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  • Submarine Welder III

    Delphinus Engineering (Norfolk, VA)
    …Description GENERAL SUMMARY: Proficient in fit up and welding of structural and piping systems and components onboard US Naval submarines and ships as well as ... Performs shipboard fit up and welding of structural and piping systems and components in support of installation, repair,...for selection and control of welding filler material, joint design , and welding machine settings in accordance with the… more
    Delphinus Engineering (07/25/25)
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  • Senior Fire Protection Engineer - Aviation…

    Burns & McDonnell (Arlington, VA)
    **Description** The Senior Fire Protection Engineer will lead the team in the design work on multi-discipline projects and lead the preparation of comprehensive fire ... and travel to the client sites as necessary. + Lead the design , specification, and multi-discipline coordination of the following fire protection systems: Wet-… more
    Burns & McDonnell (07/23/25)
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  • 1st Class Pipefitter

    MILLS MARINE & SHIP REPAIR LLC (Portsmouth, VA)
    …arcs and circles. 3. Be capable of inspecting, testing and removing, installed piping and associate valves, hardware and hangers. 4. Have knowledge of how equipment ... and modify or repair new and/or existing valves and piping 5. Have knowledge of brazing procedures and how...installation and fit up as prescribed in Welded Joint Design (MIL-STD 22D), Requirements for Fabrication Welding and Inspection,… more
    MILLS MARINE & SHIP REPAIR LLC (08/17/25)
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  • Senior Mechanical Engineer

    CACI International (Springfield, VA)
    … calculation for the heating and cooling load of facilities and size HVAC system, design Air duct and pipe sizing using ASHARE codes and DOD guidelines and ... in chiller systems and the ability to use CAD software to draw complete design concepts. The candidates should be familiar with the HVAC and Plumbing system,… more
    CACI International (07/10/25)
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  • Senior Mechanical Engineer PE

    Johnson, Mirmiran, and Thompson Inc. (Virginia Beach, VA)
    …hydronic piping , plumbing, and energy studies on multi-discipline building design projects of moderate to large scope for commercial and government facilities. ... not limited to the following + Performing all aspects of mechanical engineering design (specifically HVAC engineering and design ) as a Senior Mechanical… more
    Johnson, Mirmiran, and Thompson Inc. (07/31/25)
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