Mechanical Engineer E LogicMechanical EngineerWashington, DCWhile performing work at NSA Bahrain, employees may be required to work in austere environments due to damaged facilities and must be capable of performing physical activities such as prolonged walking, standing, climbing, crouching, and bending. The position requires frequent Temporary Duty (TDY) travel to NSA Bahrain, Kingdom of Bahrain , including NSA 1, NSA 2, NSA 3, and Isa Air Base.
Senior Mechanical Engineer ProtingentSenior Mechanical EngineerWashington, DC$135,000–$190,000 / yearAbout Protingent: Protingent is an Award-Winning provider of top-tier Engineering and IT talent, trusted by companies at the forefront of innovation — from Software and Aerospace to AI, Clean Tech, Medical Devices, and Connected Technologies. Job Qualifications: Bachelor's degree in Mechanical Engineering, Aerospace Engineering, Manufacturing/Industrial Engineering, or a related technical field, or equivalent work experience.
NewMechanical Engineer Sayres and Associates CorpMechanical EngineerWashington, DC$110,000–$150,000 / yearResponsibilities: As a Mechanical Engineer, you will support the PMS 300/325 Ship Design Management team, providing SME expertise for technical and engineering efforts on the assigned Hull (e.g T-AGOS, T-AO, T-ATS, T-AOL, T-ARC, Service Craft). Offer comprehensive mechanical engineering and technical support throughout the shipbuilding process, ensuring the successful execution of concept studies, feasibility studies, and preliminary design activities with a focus on mechanical systems and equipment.
Supervisory Mechanical Engineer U.S. Department of the InteriorSupervisory Mechanical EngineerWashington, DC$118,204–$145,483 / yearSpecified academic courses -- Successful completion of at least 60 semester hours of courses in the physical, mathematical, and engineering sciences and that included the courses specified in the basic requirements under paragraph A. The courses must be fully acceptable toward meeting the requirements of an engineering program as described in paragraph A. Related curriculum -- Successful completion of a curriculum leading to a bachelors degree in an appropriate scientific field, e.g., engineering technology, physics, chemistry, architecture, computer science, mathematics, hydrology, or geology, may be accepted in lieu of a bachelors degree in engineering, provided the applicant has had at least 1 year of professional engineering experience acquired under professional engineering supervision and guidance. Examples of specialized experience may include: overseeing complex mechanical construction activities; directing the work of engineers or construction personnel; reviewing and evaluating contractor submittals, technical specifications, and engineering drawings; conducting field inspections to ensure compliance with safety, environmental, and technical requirements; coordinating mechanical engineering work with civil, electrical, or other technical disciplines; administering construction contracts or recommending contract modifications; and providing expert mechanical engineering guidance to contractors, project teams, or stakeholders.
Mechanical Engineer I Syska Hennessy Group IncMechanical Engineer IWashington, DC$68,788–$98,182 / yearSupport the design and engineering efforts of systems for new installations, system retrofits, system replacement, and system upgrades for a wide variety of projects and project types. Additional job requirements: Bachelor's Degree from an accredited university in Mechanical engineering, or Architectural Engineering with a graduation date of Winter 2026, Spring or Summer of 2027.
Principle Senior Mechanical Engineer, Facility Systems BAE Systems PlcPrinciple Senior Mechanical Engineer, Facility SystemsWashington, DC$118,095–$200,762 / yearRequired Education, Experience, & Skills Education and years of related/relevant professional work experience required: Bachelor of Science Degree in Mechanical Engineering from an ABET Accredited program ant at least six years of related/relevant professional work experience or OR equivalent education and related facility mechanical experience required. About BAE Systems Intelligence & Security BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services.
Maintenance Mechanical Engineer BlueScopeMaintenance Mechanical EngineerWashingtonWe sit alongside our colleagues at ASC Profiles as part of NS BlueScope Coated Products North America (CPNA), a joint venture between BlueScope and Nippon Steel. Joining the Steelscape team means you’ll play your part in our ongoing success as we consistently deliver for our customers and strengthen our communities, now and into the future.
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 ECS Federal LLCMechanical EngineerWashington, DCThe position involves conceptualization of electromechanical assemblies to meet defined performance requirements, detailed design, creation of engineering technical data packages, production support and configuration control of complex electronic and mechanical systems. Duties and Responsibilities: Create, maintain, and update designs for electronic and mechanical systems, sub-assemblies, and components with a focus on reliability, manufacturability, maintainability, service life, and serviceability.
Mechanical Engineer Intern Summer 2027 Legence CorpMechanical Engineer Intern Summer 2027DCRequirements: 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 Indianapolis, IN office throughout the co-op term, Ability to travel locally for job site inspections, field work, etc. The company specializes in designing, fabricating, and installing complex HVAC, process piping, and other mechanical, electrical, and plumbing (MEP) systems-enhancing energy efficiency, reliability, and sustainability in new and existing facilities.
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.
Senior Mechanical Engineer - Hybrid Washington, DC Parsons CorpSenior Mechanical Engineer - Hybrid Washington, DCWashington, DC$88,400–$154,700 / yearWhat You'll Be Doing: Demonstrate 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 Legence CorpSenior Mechanical EngineerDCThrough its portfolio of engineering, consulting, construction, and technology companies, Legence helps clients design, build, and operate high-performance facilities that improve efficiency, reduce costs, and support long-term sustainability goals. The company specializes in designing, fabricating, and installing complex HVAC, process piping, and other mechanical, electrical, and plumbing (MEP) systems-enhancing energy efficiency, reliability, and sustainability in new and existing facilities.
Mechanical Engineer Nenni and AssociatesMechanical EngineerWashington DC, WashingtonThe Engineer will be responsible for supporting and assisting with the engineering development and design of mechanical, plumbing, and fire protection construction documents associated with new buildings and renovations for consulting design projects, design-build projects, and performance contract projects. Associated responsibilities include but are not limited to engineering design and drafting activities, specification writing support, cost estimating, limited field investigations and construction site visits, support of HVAC load calculations and modeling, hydraulic calculations, and coordination with others.
Mechanical Engineer II - New Glenn Blue OriginMechanical Engineer II - New GlennWashingtonand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. As an Mechanical Engineer, you’ll play a pivotal role in the New Glenn Rocket program, collaborating with a skilled team to design, develop, and qualify mission-critical mechanical engineering work with the umbilicals team, enabling reliable and reusable spaceflight to advance our vision of millions living and working in space.
Process Mechanical Engineer Project Manager Wastewater PM PL ASSOCIATES INC. (PLA)Process Mechanical Engineer Project Manager Wastewater PMWASHINGTON, DCFull timeMechanical Engineer shall have a bachelor’s degree in mechanical engineering, Five years of experience performing engineering design related functions for water and/or wastewater facilities owned by municipalities or regional water and/or wastewater authorities. Shall review contract specifications for proposed mechanical systems, equipment and materials for sufficiency and for probable, good durability and long-term reliability.
NewSenior Mechanical Engineer Selectek, Inc.Senior Mechanical EngineerWashington, DC$150,000–$170,000 / yearThis position will provide senior mechanical engineering and design leadership to our growing local Mechanical team and national team, lead projects and represent the Mechanical discipline during client meetings. Act as a senior mechanical engineering and design resource, providing assistance and guidance to project engineers and designers in both HVAC and plumbing design.
Senior Mechanical Engineer Heven AeroTechSenior Mechanical EngineerWashingtonThis role collaborates cross-functionally to solve challenging problems, supports engineering excellence through mentorship, and may influence project direction through informal technical leadership or interaction with customers, suppliers, and manufacturing partners. Lead the design, development and integration of new functional payloads and designs while assessing complex airframe structures, subsystems, and tooling across analysis, design, prototype and production stages.
NewMechanical Engineer Sayres DefenseMechanical EngineerWashington, DC$110,000–$150,000 / yearResponsibilities: As a Mechanical Engineer, you will support the PMS 300/325 Ship Design Management team, providing SME expertise for technical and engineering efforts on the assigned Hull (e.g T-AGOS, T-AO, T-ATS, T-AOL, T-ARC, Service Craft ). Offer comprehensive mechanical engineering and technical support throughout the shipbuilding process, ensuring the successful execution of concept studies, feasibility studies, and preliminary design activities with a focus on mechanical systems and equipment.
Mechanical Engineer (Secret Clearance) The Building PeopleMechanical Engineer (Secret Clearance)District of ColumbiaThis role requires strong technical judgment, clear communication, and the ability to report regularly to the secure federal campus to coordinate with stakeholders, validate field conditions, and support planning and execution activities. The ideal candidate is a well-rounded mechanical engineering professional with broad experience across HVAC, plumbing, controls, energy management, facility assessments, operations support, and infrastructure modernization.