Mechanical Engineer Nenni and AssociatesMechanical EngineerFairfax, VirginiaJob Duties and Responsibilities: Collaborate and mentor junior engineers to design the mechanical and plumbing components of energy-efficient buildings. Our client is a very well-established ESCO who is currently seeking a Senior Mechanical Engineer to join their team within the Mid Atlantic market!
HVAC Mechanical Engineer AE WorksHVAC Mechanical EngineerArlington, VirginiaSubject Matter Expertise: Demonstrate extensive knowledge of mechanical engineering principles, including thermodynamics, fluid mechanics, HVAC design, and materials science, which is essential for providing technical leadership and ensuring high-quality outcomes. You’ll work alongside architects, engineers, cost estimators, and construction managers with deep experience across higher education, government, engineering & infrastructure, healthcare and commercial markets.
Mechanical Engineer Booz Allen HamiltonMechanical EngineerMclean, VirginiaAssist the client's contracting officer (CO) and contracting officer's technical representative (COTR) with acquisition planning, execution, and administration, assist the CO and COTR with conducting pre-bid and pre-construction site visits with the COTR, provide invoice supporting information to the COTR for payment, and prepare and monitor project schedules. Provide mechanical engineering review, coordination, and oversight for operations, maintenance, repair, and construction work and oversee and coordinate activities with trade shops, including prioritizing work, reviewing ongoing projects, inspecting installed equipment, and overseeing and coordinating work orders, service orders, and projects.
Mechanical Engineer - PE AE WorksMechanical Engineer - PESewickley and Arlington, Pennsylvania and ViriginaSubject Matter Expertise: Demonstrate extensive knowledge of mechanical engineering principles, including thermodynamics, fluid mechanics, HVAC design, and materials science, which is essential for providing technical leadership and ensuring high-quality outcomes. You’ll work alongside architects, engineers, cost estimators, and construction managers with deep experience across higher education, government, engineering & infrastructure, healthcare and commercial markets.
Staff / Senior Mechanical Engineer ElectraStaff / Senior Mechanical EngineerManassas, VA$109,000–$159,000 / yearSenior Engineer (8+ years): Demonstrates a complete understanding and wide application of engineering principles, theories, and concepts; works under limited direction to solve a wide range of complex technical problems; independently determines and develops approaches to solutions; owns technical scope such as supplier oversight, integration activities, and compliance efforts; drives issue resolution and collaborates effectively with minimal guidance. Our Ultra Short technology unlocks thousands of new operating locations and enables what we call Direct Aviation: quiet, point-to-point regional travel that gets people from where they are to where they want to go, without the congestion of major airports or the noise of conventional aviation.
Senior Mechanical Engineer - Hybrid Washington, DC ParsonsSenior Mechanical Engineer - Hybrid Washington, DCCentreville, VirginiaDemonstrate a range of technical capabilities with experience in Mechanical Engineering and design, and development of contract documents (design reports, analysis reports, calculations, drawings, specifications, etc.). We take special pride in projects and solutions that improve communities as well as people’s quality of life by promoting economic growth, enhancing mobility, and increasing sustainability and resiliency.
Senior Mechanical Engineer I/II Rocket Lab CorporationSenior Mechanical Engineer I/IISilver Spring, MD$115,000–$198,000 / yearTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Our Space Systems team builds everything from complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space, like solar panels, flight software, star trackers, optical systems, separation systems, radios, and more.
Mechanical Engineer II/Senior Rocket Lab CorporationMechanical Engineer II/SeniorSilver Spring, MD$87,000–$125,000 / yearTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Our Space Systems team builds everything from complete spacecraft and precision payloads to the components and subsystems that allow them to thrive in space, including solar panels, flight software, star trackers, optical systems, separation systems, radios, and more.
Mechanical Engineer - TS/SCI SHINE SystemsMechanical Engineer - TS/SCIWashington, DCSHINE Systems is building a talent pool of Mechanical Engineers to support future Intelligence Community customer missions. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.
Senior Mechanical Engineer, Intelligence Systems ANDURIL INDUSTRIESSenior Mechanical Engineer, Intelligence SystemsReston, VA$146,000–$194,000 / yearTo ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. This third-party service provider provides risk-intelligence services that may include analysis of sanctions and watchlists, adverse media, public-record information, and other lawful open-source or commercial data sources.
Principal Mechanical Engineer SME - TS/SCI Polygraph Required LeidosPrincipal Mechanical Engineer SME - TS/SCI Polygraph RequiredReston, VirginiaMEP Systems Expertise: Strong multidisciplinary understanding of Mechanical, Electrical, and Plumbing (MEP) system design, integration, and operational functionality within complex industrial or military facilities, including specialized containment systems, filtration systems, and backup power infrastructure. The successful candidate will leverage extensive engineering expertise to analyze facility designs, spatial layouts, operational workflows, and supporting infrastructure to determine functional capabilities and mission relevance.
Civil & Industrial Engineer Expert Booz Allen Hamilton Inc.Civil & Industrial Engineer ExpertReston, VA$62,000–$141,000 / yearAs a civil and industrial engineer on our team, you'll support defense analytical requirements with enhanced scientific or engineering research on issues such as capability or limitation analysis, reverse engineering analysis or characterizations, and facility and vulnerability assessments, including civil or industrial engineering and subdisciplines of environmental, power system, pipeline, petroleum, structural, manufacturing, geotechnical, transportation, highway, material science, seismic or earthquake, construction, hydrology, and water resource engineering. You Have: 12+ years of experience in civil or industrial engineering, including sub-disciplines of environmental, power system, pipeline, petroleum, structural, manufacturing, geotechnical, transportation, highway, material science, construction, hydrology, and water resource engineering.
Systems Engineer - Modeling & Simulation NoblisSystems Engineer - Modeling & SimulationFt Belvoir, Virginia$176,800–$276,250 / yearFull timeCompensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws. In this role, you will serve as a subject matter expert contributing to the full systems engineering lifecycle, driving technical rigor across analyses of alternatives, trade studies, and predictive capability assessments.
Jr. Rocket Propulsion Engineer Advanced Technology and Research CorporationJr. Rocket Propulsion EngineerIndian Head, MD$86,000–$101,000 / yearPRINCIPAL DUTIES AND RESPONSIBILITIES: The successful applicant will join ATR's Engineering Services Division, working as an entry level Engineer at the Naval Surface Warfare Center, Indian Head Division, Indian Head, MD. Based in Maryland and incorporated in 1973, ATR is an equal-opportunity engineering company with a solid reputation in various engineering disciplines for the government and Fortune 500 commercial customers.
Expert Automated Tester LeidosExpert Automated TesterChantilly, VirginiaThe Automated Tester defines, documents, analyzes, performs, and interprets tests for processes, functions, system integration, and user acceptance testing including test units, processes, and functions. Leidos is seeking an Automated Tester for a 200+ FTE technical development program supporting the Sponsor’s Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management.
NewContinuous Improvement Coordinator GTT, LLCContinuous Improvement CoordinatorBeltsville, MDWith approximately 160,000 employees across more than 170 countries, the organization develops intelligent power management technologies spanning electrical systems, aerospace components, vehicle powertrain solutions, and data center infrastructure positioning it squarely at the center of the global energy transition. Named in Newsweek's list of Global Most Loved Workplaces, this company employs electrical engineers, power systems specialists, aerospace technicians, software developers, and supply chain professionals who benefit from a culture grounded in strong ethics, open-door leadership, and broad career development opportunities.
System Protection Technician T1/T2 (Central Region) Dominion EnergySystem Protection Technician T1/T2 (Central Region)N DINWIDDIE, VA$58,700–$76,200 / yearOther comparable disciplines may be substituted for the disciplines listed above; As an alternative to the above education requirements, the company is actively seeking United States military veterans and service members who meet the qualifications outline below: Total of 5 years of military experience that includes at least 1 year of military technical training/education components in electrical theory, AC/DC circuits, basic electrical principals and calculations, Ohms Law, Fault isolations, and multimeter applications. Knowledge of: Testing electro-mechanical based relays; Microprocessor-based relay technology, including logic diagrams, variable equations; IEEE device numbers; Skills: Organizational skills; Good verbal and written communication; Computer knowledge.
System Protection Technician T1/T2 (Nova Region) Dominion EnergySystem Protection Technician T1/T2 (Nova Region)Herndon, VA$64,500–$83,800 / yearOther comparable disciplines may be substituted for the disciplines listed above; As an alternative to the above education requirements, the company is actively seeking United States military veterans and service members who meet the qualifications outline below: Total of 5 years of military experience that includes at least 1 year of military technical training/education components in electrical theory, AC/DC circuits, basic electrical principals and calculations, Ohms Law, Fault isolations, and multimeter applications. Knowledge of: Testing electro-mechanical based relays; Microprocessor-based relay technology, including logic diagrams, variable equations; IEEE device numbers; Skills: Organizational skills; Good verbal and written communication; Computer knowledge.
Nuclear Systems Analyst & Jipoe Expert Booz Allen Hamilton Inc.Nuclear Systems Analyst & Jipoe ExpertReston, VA$62,000–$141,000 / yearYou will be part of a unique, multi-discipline team assisting partners to fuse operations and intelligence information to enhance government efforts against emerging radiological and nuclear threats, and counterproliferation efforts, and the threat networks that facilitate or employ those threats. Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.
Nuclear Systems Analyst & JIPOE Expert Booz Allen HamiltonNuclear Systems Analyst & JIPOE ExpertReston, VirginiaYou will be part of a unique, multi-discipline team assisting partners to fuse operations and intelligence information to enhance government efforts against emerging radiological and nuclear threats, and counterproliferation efforts, and the threat networks that facilitate or employ those threats. Onsite : If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.