Mechanical Engineer II (VA) Sparton.Mechanical Engineer II (VA)Fairfax, VirginiaWe serve multiple government and commercial customers worldwide with wide-area persistent surveillance solutions that are critical to the success of their missions in national defense, public safety and border security, and humanitarian assistance. Assist in the creation and management of project deliverables, including, but not limited to detailed project plans, project schedules, resource plans, risk assessment/issue tracking, and status reports for customer and Logos management.
Mechanical Engineer Intern/Co-Op Fall 2026 LegenceMechanical Engineer Intern/Co-Op Fall 2026Annapolis, MDRequirements:• Pursuing a Bachelor of Mechanical Engineering or Architectural Engineering, preferably a sophomore (2nd year), or junior (3rd year),• Strong interest in Building Systems Mechanical Engineering,• AutoCAD and REVIT experience preferred,• Strong interpersonal and communication skills,• Proficiency with Microsoft Word and Excel,• Ability to work both independently and with a team,• Ability to work full time in our office throughout the co-op term,• Ability to travel locally for job site inspections, field work, etc. Job Functions: (may include but are not limited to)• Produce detailed layout and equipment details of HVAC systems,• Produce one-line diagrams/schematics,• Assist the design team in the process of assembling organized sets of drawings,• May assist in the data collection and/or field verification, and• Work in conjunction with designers and engineers to help develop all aspects of a project.
Mechanical Engineer Intern/Co-Op Spring 2027 LegenceMechanical Engineer Intern/Co-Op Spring 2027Arlington, VAJob Functions: (may include but are not limited to)• Produce detailed layout and equipment details of HVAC systems• Produce one-line diagrams/schematics• Assist the design team in the process of assembling organized sets of drawings• May assist in the data collection and/or field verification• Work in conjunction with designers and engineers to help develop all aspects of a projectRequirements:• Pursuing a Bachelor of Mechanical Engineering or Architectural Engineering, preferably a sophomore (2nd year), or junior (3rd year)• Strong interest in Building Systems Mechanical Engineering• AutoCAD and REVIT experience preferred• Strong interpersonal and communication skills• Proficiency with Microsoft Word and Excel• Ability to work both independently and with a team• Ability to work full time in our office throughout the co-op term• Ability to travel locally for job site inspections, field work, etc. For college students interested in engineering design for the built environment, CMTA has a robust co-op program for students pursuing a degree in Mechanical Engineering, Electrical Engineering, and Architectural Engineering.
Mechanical Engineer Intern/Co-Op Summer 2027 LegenceMechanical Engineer Intern/Co-Op Summer 2027Arlington, VAJob Functions: (may include but are not limited to)• Produce detailed layout and equipment details of HVAC systems• Produce one-line diagrams/schematics• Assist the design team in the process of assembling organized sets of drawings• May assist in the data collection and/or field verification• Work in conjunction with designers and engineers to help develop all aspects of a projectRequirements:• Pursuing a Bachelor of Mechanical Engineering or Architectural Engineering, preferably a sophomore (2nd year), or junior (3rd year)• Strong interest in Building Systems Mechanical Engineering• AutoCAD and REVIT experience preferred• Strong interpersonal and communication skills• Proficiency with Microsoft Word and Excel• Ability to work both independently and with a team• Ability to work full time in our office throughout the co-op term• Ability to travel locally for job site inspections, field work, etc. For college students interested in engineering design for the built environment, CMTA has a robust co-op program for students pursuing a degree in Mechanical Engineering, Electrical Engineering, and Architectural Engineering.
Mechanical Engineer OTJMechanical EngineerWashingtonMechanical Engineer (Hybrid) Job Description: OTJ is looking for an experienced Mechanical Engineer who is PE certified in Washington, D.C. This role focuses on the planning, design, and execution of mechanical systems for a wide range of building and infrastructure projects. Because this position may support federal government projects that require U.S. citizenship as a bona fide occupational qualification, we are unable to move forward with candidates who do not meet this requirement.
Staff Mechanical Engineer Northrop GrummanStaff Mechanical EngineerBaltimore, MD$153,600–$230,400 / yearWe strive to attract and retain the best employees by providing an inclusive work environment wherein employees are receptive to diverse ideas, perspectives, and talents to help solve our toughest customer challenges: to develop and maintain some of the most technically sophisticated products, programs, and services in the world. This position is contingent upon contract award, the ability to obtain/maintain an active US Government Secret or the successful transfer of a US Government Secret prior to start and the ability to obtain/maintain a special access program clearance prior to start.
Senior Mechanical Packaging Engineer Tcom, L.P.Senior Mechanical Packaging EngineerColumbia, Maryland$129,373–$180,760 / yearTCOM is seeking a Senior Mechanical Packaging Engineer Lead to work on and lead a team of mechanical engineers on the design, production support and test of electrical/electronic systems for lighter-than-air vehicles and their ground support facilities. The individual will be responsible for leading a team of mechanical engineers in the design of lightweight electrical assemblies in space restricted enclosures for use in avionics applications where the assemblies are exposed to the atmosphere and operate in high EMI environments.
Mechanical Engineer Whitman, Requardt and Associates, LLPMechanical EngineerBaltimore, Maryland$80,000–$140,000 / yearFull timeResponsibilities: Development of Plans, Sections, Schedules, Details, Controls, Cost Estimates, and Specifications: Utilize your expertise to create comprehensive documentation for mechanical systems, ensuring clarity and accuracy throughout the design process. Energy and Life Cycle Cost Analysis: Conduct thorough analysis to optimize energy usage and assess the long-term costs associated with mechanical systems, contributing to sustainable and economically viable designs.
Mechanical Engineer Salas O'BrienMechanical EngineerBethesda, MarylandOur specialized experience includes design for data centers, healthcare, science and technology, high-rise buildings, clean energy, education, and other building types as well as structural and building sciences, infrastructure asset management, advanced robotics, and more. Provide engineering design, evaluation, and planning of mechanical systems for healthcare, science & technology, education, and commercial projects while supporting project teams through various phases of project development from concept design through construction.
Junior Mechanical Engineer - TS/SCI Polygraph Required LeidosJunior Mechanical Engineer - TS/SCI Polygraph RequiredReston, VirginiaMEP Systems Knowledge: 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. Two or more years of field experience working with industrial HVAC systems, including air-cooled and water-cooled chillers, condensers, cooling towers, air handlers, heat exchangers, boilers, and related equipment.
Mechanical Engineer - TS/SCI Polygraph Required LeidosMechanical Engineer - TS/SCI Polygraph RequiredReston, VirginiaMEP Systems Knowledge: 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. Five or more years of field experience working with industrial HVAC systems, including air-cooled and water-cooled chillers, condensers, cooling towers, air handlers, heat exchangers, boilers, and related equipment.
Senior Mechanical Engineer Kimmel & AssociatesSenior Mechanical EngineerWashington, DC$140,000–$150,000Through innovative HVAC engineering, electrical upgrades, building automation systems, preventative maintenance, and energy optimization, the company helps commercial and institutional clients reduce operating costs while improving building performance and environmental impact. This is an excellent opportunity for a technically strong engineer who enjoys solving challenging engineering problems, mentoring junior staff, and collaborating with multidisciplinary teams throughout the entire project lifecycle—from conceptual design through construction.
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.
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 Kwaan Bear IT SolutionsMechanical EngineerMarylandGENERAL EXPERIENCE AND KNOWLEDGE: A minimum of five (5) years of specialized experience in mechanical and plumbing schematic design and design development, evaluation of new and existing commercial facilities, industrial and health care facilities similar to the building types prevalent in the NAVFAC Washington Area of Responsibility (AOR). Familiar with both Design-Bid-Build and Design-Build delivery methods for projects, be able to provide technical leadership/mentorship to junior engineers/designers, and to review other mechanical engineers' work for code compliance and constructability.
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 - 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.
Mechanical Engineer, Mid Booz Allen HamiltonMechanical Engineer, MidUsa, MarylandOnsite : 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. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
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.
Mechanical Engineer Parsons Commercial Technology Group Inc.Mechanical EngineerColumbia, MD$88,400–$154,700 / yearParsons' extensive experience in the cleared space, combined with your technical knowledge, will propel your career forward with an opportunity to work in an exciting unconventional access mission where our teams are focused on advancing capability and technical support for cyber operations. What Desired Skills You'll Bring: Experience in rugged chassis enclosure design for electronics hardware, including mil-spec connectors, coatings, and hardware for MIL-810 applications.