Mechanical Engineer Talent Acquisition ConceptsMechanical EngineerArlington, VAFE/EIT Required, Professional Engineer (PE) registration preferred, 5 years of direct experience in facilities mechanical systems such as HVAC, Plumbing (domestic water) systems, Building Automation Systems (BAS), and testing adjusting and balancing (TAB) is required. The Mechanical Engineer will utilize their building design, construction and operations experience in complex mechanical systems to develop engineering solutions, ensure compliance, recommend best practices, and increase operational efficiencies for clients.
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.
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 Intern/Co-op Fall 2026 CMTA, IncMechanical Engineer Intern/Co-op Fall 2026Arlington, VAPursuing 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. 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 - TS/SCI Polygraph Required LeidosSenior Mechanical Engineer - 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 strong engineering expertise to analyze facility designs, spatial layouts, operational workflows, and supporting infrastructure to determine functional capabilities and mission relevance.
Lead Mechanical Engineer - TS/SCI Polygraph Required LeidosLead Mechanical Engineer - 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. 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.
Mechanical Engineer Logos Technologies, Inc.Mechanical EngineerFairfax, 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.
Quantum Algorithms Developer Booz Allen HamiltonQuantum Algorithms DeveloperAnnapolis Junction, District of Columbia$77,600–$176,000 / yearOnsite : 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.
NewEngineering Technician Macpower Digital Assets Edge Private LimitedEngineering TechnicianChantilly, VA$6,250–$116,500 / yearEssential Functions: Execute fabrication, assembly, integration, test, or inspection processes in accordance with detailed work instructions and drawings, such as: Optical Fiber Splicing and Recoating, Fabrication, assembly, and inspection of photonic circuits, Mechanical Builds and Assemblies, Metal Soldering, Microscopy and Profilometry. While photonics experience is a plus, it's not required; we provide comprehensive on-the-job training to help technicians from other technical disciplines learn photonics-specific skills, including fiber optics handling, optical alignment techniques, and specialized testing procedures.
Lead Engineer General AccountsLead EngineerWashington, District of ColumbiaDaily duties will include working with the property management team to perform preventive maintenance, respond to service tickets, and provide a safe environment for building tenants and visitors. Basic technology skills necessary to manage work order applications on mobile phone and learn to operate Building Automation Systems.
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 Manufacturing Engineer ERG GroupSenior Manufacturing EngineerIndian Head, MD$140,000–$180,000 / yearERG offers multidisciplinary teams with nationally recognized skills in engineering, science, economics, public health, informational technology, and communications. The ideal candidate will have a deep understanding of explosives safety regulations, exceptional leadership skills, and a proven track record in process improvement and quality control.
2027 Graduate - Thermal and EO/IR Modeling and Simulation Engineer Johns Hopkins Applied Physics Laboratory2027 Graduate - Thermal and EO/IR Modeling and Simulation EngineerLaurel, MarylandFull timeA Master’s degree in Mechanical/Aerospace engineering (or a related field) with relative coursework focused on areas such as heat transfer, thermodynamics, numerical analysis, fluid dynamics, and other related topics. Integrate thermal results with optical characteristics using cutting-edge modeling and simulation toolkits to predict EO/IR signatures of various systems in exo- and endo-atmospheric environments, including coupling with relevant background scenes.
Manager, Global Components Baltimore Aircoil Company, Inc.Manager, Global ComponentsJessup, MD$108,200–$185,200 / yearPart timeThis role, and the team it leads, reduces supply chain risk and total cost through qualification of alternate and backup suppliers for engineered components (eg fans, pumps, valves, specialized materials, etc), ensuring availability, resilience, and competitive sourcing across global regions. The Manager, Global Component Engineering leads a global team of engineered-component subject matter experts (SME’s) responsible for development, qualification, and continuous improvement of key components across all BAC product lines.
Staff Engineer, Structural Baltimore Aircoil Company, Inc.Staff Engineer, StructuralJessup, MD$90,000–$154,100 / yearPart timeTravel as needed to global engineering centers in Europe and Asia, and occasionally as needed to regional manufacturing facilities, test laboratories, technical conferences, and professional association meetings, etc. . The Staff Engineer, Structural Systems, is charged with leading the structural engineering execution of major product development programs and supporting the structural integrity of product platforms.
2026 Graduate - Engineer - Multi-Mission Planning Development Johns Hopkins Applied Physics Laboratory2026 Graduate - Engineer - Multi-Mission Planning DevelopmentLaurel, MarylandFull timeLearning about critical modeling and simulation tools that predict performance of U.S. military systems and applying those tools to conduct detailed engineering studies that ascertain capabilities/limitations of current systems, support future designs, lay out a strategic plan to achieve true multi-mission multi-service planning capabilities, and provide timely solutions to warfighters in the field facing real world operational challenges. In A5C, we develop and deliver highly capable mission planning tools into the hands of the warfighter so they can configure/optimize fielded military systems for maximum performance across multiple simultaneous air and missile defense missions, multiple services, and multiple command echelon planning levels.
HVAC/Plumbing Project Manager Kelso IndustriesHVAC/Plumbing Project ManagerLorton, VAThe ideal candidate has strong experience managing HVAC, plumbing, piping, or industrial mechanical construction projects and excels in a fast-paced, collaborative environment. Join us and be part of a team dedicated to creating efficient, sustainable, and high-performance environments that make a lasting impact across the industrial, commercial, and institutional sectors.
Chief Estimator Kelso IndustriesChief EstimatorLorton, VA$150,000–$180,000 / yearThis role is responsible for developing accurate and competitive project estimates, leading the estimating team, driving preconstruction strategy, and partnering with operations leadership to support profitable growth. The Chief Estimator provides strategic leadership and oversight for all estimating functions within the mechanical contracting division, including HVAC, plumbing, piping, and industrial/mechanical systems projects.
2027 PhD Graduate - Rotational Discovery Program Johns Hopkins Applied Physics Laboratory2027 PhD Graduate - Rotational Discovery ProgramLaurel, MarylandFull timeThe program offers a unique opportunity for recent PhD graduates, those who graduated in or after May 2026 or those soon to be awarded their PhD by the Discovery Program begin date of May 2027 to July 2027, to gain valuable experience across multiple technical areas. Computer Science/Computer Engineering software engineering, hardware engineering, cybersecurity, networking, data science, modeling and simulation, embedded systems, artificial intelligence.
Senior Systems Engineer MAG AerospaceSenior Systems EngineerAnnapolis Junction, Maryland$150,000–$180,000 / yearFull timeCertifications: INCOSE Certified Systems Engineering Professional (CSEP) or Expert Systems Engineering Professional (ESEP), OCSMP (OMG Certified Systems Modeling Professional), Defense Acquisition University (DAU) Engineering/Technical Management certifications, or equivalent certification is recommended but not required. Digital Engineering: Conduct rigorous technical reviews of contractor-delivered Model-Based Systems Engineering (MBSE) artifacts, including SysML models, architectural diagrams (structural, behavioral, and parametric), and digital twin frameworks.