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.
NewIndustrial Mechanical Foreman Mid-Atlantic Industrial ConstructionIndustrial Mechanical ForemanGlen Burnie, MD$35–$50 / hourAt Mid-Atlantic Industrial Construction, your technical expertise and grit will shape high-profile projects from clean, food-grade plants to heavy recycling facilities. Mid-Atlantic Industrial Construction (MAIC) delivers elite industrial mechanical services, prioritizing safety, craftsmanship, and absolute accountability.
NewElectrical Engineer - Containers, Reefer & Thermal System CakeBoxx Technologies, LLCElectrical Engineer - Containers, Reefer & Thermal SystemMcLean, VA$100,000–$140,000 / yearTechnologies is an engineering and solutions company that develops integrated operational systems, deployable infrastructure, and mission-focused solutions for defense, aerospace, energy, and industrial customers.\r\nFor more than 15 years, organizations including Boeing, Lockheed Martin, Viasat, Rolls-Royce, AST SpaceMobile, Archer Aviation, and LeoLabs have trusted CakeBoxx to solve complex challenges involving mission-critical assets and technologies. CakeBoxx Technologies is an engineering and solutions company that develops integrated operational systems, deployable infrastructure, and mission-focused solutions for defense, aerospace, energy, and industrial customers.
NewEngineer II PCCIEngineer IIAlexandria, VA$85,000–$95,000 / yearWe are seeking a skilled Engineer II with approximately two to four years of hands-on experience in mechanical/marine engineering, specializing in the design, maintenance, and operational support of load-carrying devices, hydraulic systems, and underwater ship repair, salvage, or oil spill response equipment. STRUCTURAL: Experience in structural analysis and evaluation of designs to meet required specifications, development and implementation of structural engineering drawings in the area of marine engineering, especially load bearing structures and hydraulic systems.
NewGeneral Engineer Fusion ICSGeneral EngineerSoutheast, DCThe ideal candidate will possess a strong engineering background in one or more disciplines including mechanical, electrical, civil, or facilities engineering, with experience supporting federal, DoD, or other critical infrastructure environments. Experience in one or more engineering areas, including mechanical systems, electrical systems, civil/site infrastructure, structural systems, utilities, HVAC, controls, or building automation.
Quality Control Associate HITT ContractingQuality Control AssociateFalls Church, VA$70,000–$100,000 / yearFull timeExecute four phases of control (Planning, Preparatory, Initial and Inspections) for each FOW with the subcontractors, vendors, and client(s) and perform all required meetings. Every day, our team members do amazing things in pursuit of our shared purpose to build trust with our clients, partners, subcontractors, and teammates.
NewSenior Controls Engineer Fusion ICSSenior Controls EngineerSoutheast, DCThis position requires an engineer who can work independently, solve complex technical problems, communicate effectively with both technical and non-technical stakeholders, and take ownership of projects from concept through implementation and ongoing support. Fusion is a Service‑Disabled Veteran‑Owned Small Business (SDVOB) specializing in mission‑critical engineering, secure infrastructure, and advanced technical solutions for federal and defense clients.
Model-Based Systems Engineer LeidosModel-Based Systems EngineerWashington, DC$69,550–$125,725Bachelor’s degree in engineering or related field with 2+ years of prior relevant experience or a master’s degree with at least a year experience in one of these areas: systems engineering, software engineering, test engineering or related field. March 30, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Automation Electro-Mechanical Engineering Technician II Meso Scale DiscoveryAutomation Electro-Mechanical Engineering Technician IIGaithersburg, MD$59,100–$87,900 / yearAbility to operate test and assembly tools and equipment including: multi-meters, soldering and de-soldering tools, inspection equipment, and various machine-shop, hand, and power tools. This salary range represents a general guideline as MSD considers other factors when presenting an offer of employment, such as scope and responsibilities of the position, external market factors, and the candidate's knowledge, skills, abilities, education and experience.
Mechanical Engineer - Entry Level AE WorksMechanical Engineer - Entry LevelPittsburgh and Arlington, PA & VAWorking under the guidance of senior engineers and project managers, you will assist in the development of construction documents, perform HVAC calculations, and coordinate with internal and external team members. You’ll work alongside architects, engineers, cost estimators, and construction managers with deep experience across higher education, government, engineering & infrastructure, healthcare and commercial markets.
Jr. Mechanical Engineer Design HireJr. Mechanical EngineerBaltimore, MarylandThis role is a good fit for an entry-level or early-career engineer with exposure to Revit, AutoCAD, mechanical building systems, and construction documentation. We are seeking a Junior Mechanical Engineer to support HVAC and MEP design for commercial and institutional facility projects.
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 Whitman, Requardt and Associates, LLPSenior Mechanical EngineerBaltimore, Maryland$120,000–$180,000 / yearFull timeAs a Senior Mechanical Engineer at Whitman, Requardt & Associates, LLP, you will play a pivotal role in the design and execution of mechanical engineering projects across various industries, including government, education, transportation, and commercial. Whitman, Requardt & Associates, LLP (WRA) is a leading multidisciplinary engineering and architectural firm committed to providing innovative and sustainable solutions to our clients' most complex challenges.
Junior Mechanical Engineer Advanced Technology and Research CorporationJunior Mechanical EngineerBethesda, MD$86,000–$101,000 / yearPRINCIPAL DUTIES & RESPONSIBILITIES: The successful applicant will join ATR's Engineering Services Division, working as a team member at our government client site, located at the Naval Surface Warfare Center, Carderock, MD, involved in development and execution of the US Navy’s Underwater Electromagnetic (UEM) Signatures Silencing program as a Test and Evaluation engineer. 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.
Mechanical Engineer - Multiple Levels (Engineer Mechanical) - 27766 HII Mission Technologies DivisionMechanical Engineer - Multiple Levels (Engineer Mechanical) - 27766Alexandria, VA$84,285–$224,000 / yearSenior Mechanical Engineer (Engineer Mechanical 3): 5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience. Researches, plans, designs, verifies, validates and develops mechanical and/or electromechanical products and systems, such as metals, instruments, controls, plastics, robots, engines, machines and mechanical, resonance, hydraulic or heat transfer systems for production, transmission, measurement, and use of energy.
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.
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.