Sales Engineer Comfort Systems USASales EngineerGaithersburg, MDAs a full-service MEP (Mechanical, Electrical, and Plumbing) contractor, we pride ourselves on the quality and expertise of our teams, who work across a diverse range of specialties, including New Construction, Mechanical Service, Industrial Refrigeration, and Manufacturing. Build and maintain strong relationships with key vendors and subcontractors to ensure competitive pricing, reliable partnerships, and high‑quality project execution.
Project Manager RI ENGINEERING INCProject ManagerWashington, DCThe successful candidate will assume project ownership and demonstrate proficiency working both independently and as part of a team. - Working knowledge of HVAC, electrical engineering concepts, and plumbing engineering concepts.
Senior Mechanical Engineer CMTA, IncSenior Mechanical EngineerBaltimore, MDThe 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. Legence and its affiliates do not accept unsolicited resumes from agencies; any such submissions without a prior signed agreement authorized by Legence Holdings LLC's CHRO or Director of Talent Acquisition will not incur fees and are considered property of Legence.
2027 PhD Graduate - Engineer/Scientist/Analyst Sensor Systems Johns Hopkins Applied Physics Laboratory2027 PhD Graduate - Engineer/Scientist/Analyst Sensor SystemsLaurel, MarylandFull timeIf you are graduating with PhD in Electrical Engineering, Computer Science, Aerospace Engineering, Computer Engineering, Systems Engineering, Mechanical Engineering, Engineering Physics, Physics, Applied Physics, Applied Math, Math, or similar degrees and want to work in an exciting environment to solve challenging technical national security problems, we'd like you to join our team. Have a PhD, or will have PhD in near future, in Electrical Engineering, Computer Science, Aerospace Engineering, Computer Engineering, Systems Engineering, Mechanical Engineering, Engineering Physics, Physics, Applied Physics, Applied Math, Math or another related technical field.
Mid-Atlantic Digital Delivery Lead (Building Engineering Services) HDR, Inc.Mid-Atlantic Digital Delivery Lead (Building Engineering Services)Arlington, VAWork directly with the Project Manager to assist the Coordinators and Specialists to generate and maintain the Digital Delivery Plan (DDP) and project initiation procedure, establishing the server infrastructure, discipline models, and digital deliverables outlined in the project scope. Our eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute.
Senior Mechanical Engineer II Rocket Lab USASenior Mechanical Engineer IISilver Spring, MD$114,000–$172,000 / 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 business designs and builds our extensive line of satellites, payloads, and their components, including spacecraft that have been selected to support NASA missions to the Moon and Mars and components used on the James Webb Space Telescope.
Engineer IV, Mechanical Meso Scale DiscoveryEngineer IV, MechanicalGaithersburg, MD$116,600–$177,800 / yearThis 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. The Mechanical Engineer IV is responsible for setting goals and objectives for the development of new instrumentation and support of existing instrumentation for the biodefense, clinical and life-science markets.
2026 PhD Graduate - Robotic/Autonomous Systems Engineer - Maritime Robotics Group Johns Hopkins Applied Physics Laboratory2026 PhD Graduate - Robotic/Autonomous Systems Engineer - Maritime Robotics GroupLaurel, MarylandFull timeOur team works across a broad range of disciplines including machine perception, autonomous decision-making, data fusion, control systems, and mechanical design with applications across Uncrewed Air, Sea Surface, and Underwater vehicles. If you are graduating with a PhD degree in Computer Science, Robotics, Mechanical Engineering, Electrical Engineering, or a related field and wish to work on some of the most challenging technical problems in robotics, we’d love to have you join our team!
Engineer II, Mechanical Meso Scale DiscoveryEngineer II, MechanicalGaithersburg, MD$88,100–$134,400 / yearPOSITION SUMMARY: The Mechanical Engineer is responsible for mechanical design, testing, and documentation responsibilities in the development of new instrumentation and support of existing instrumentation for the biodefense, clinical and life-science markets. 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.
Senior Mechanical Design Engineer - MD Johnson Service GroupSenior Mechanical Design Engineer - MDWestminster, MDWork directly with internal and external customers, suppliers, project engineers, design engineers, test engineers, sustainment engineers, Centers of Excellence, manufacturing engineers, quality engineers, program management, and other functions to develop systems and products. Work to Design for Six Sigma (DFSS) principles including careful management of Critical to Quality requirements through the design lifecycle, rigorous knowledge building of the design space, understanding of the effects of manufacturing variation, and design for manufacturing and assembly to meet product recurring cost targets.
Mechanical-Systems Engineer, Shipboard Systems Group Johns Hopkins Applied Physics LaboratoryMechanical-Systems Engineer, Shipboard Systems GroupLaurel, MarylandFull timeYou will work with a multidisciplinary team that supports our sponsors in developing advanced analysis methods for deployed systems, modernizing existing Navy hardware, and integrating new weapon systems onto Navy platforms. Engage directly with our Navy sponsor and associated prime and subcontractors to provide oversight of hardware design and production efforts for future weapon systems and Navy platforms.
Application Engineer II IDEXApplication Engineer IILinthicum, MarylandThe Valves and Flow Control Applications Engineer plays a key role in helping customers, sales teams, and internal engineering groups select and apply valves and fluid control products. The person in this role uses technical knowledge, strong communication skills, and practical engineering judgment to make sure customers receive solutions that fit their performance and compliance requirements.
Senior Engineering Technician CatalentSenior Engineering TechnicianHarmans, Maryland$38.46–$43.26 / hourOur FDA-licensed, state-of-the-art CGMP gene therapy campus in Harmans, MD—just minutes from BWI Airport—features EMA and FDA-approved manufacturing suites, fill/finish capabilities, labs, and warehousing to support Phase 3 through commercial production of advanced therapies, including AAV and other viral vector-based products. Catalent is an exciting and growing international company where employees work directly with pharma, biopharma and consumer health companies of all sizes to advance new medicines from early development to clinical trials and to the market.
Principal Engineer, Advanced Thermal Modeling Baltimore Aircoil Company, Inc.Principal Engineer, Advanced Thermal ModelingJessup, MD$108,200–$185,200 / yearPart timeThe Global Advanced Digital Engineering team is Baltimore Aircoil Company’s (BAC) engine, combining domain SME, software, and automation expertise to build modular, scalable, and reusable engineering capability, including models, methods, tools, CAD and simulation environments, workflows, and digital architectures that improve speed, quality, and consistency of engineering outcomes across BAC’s products, applications, and digital ecosystems. The role spans unit-level physics, system-level performance, and cost-of-ownership modeling, with accountability for modeling strategy, architecture, and delivery through direct contribution and team execution, and translates thermodynamic and heat transfer expertise into scalable modeling frameworks, simulation tools, and validated methods.
Engineering Technician CatalentEngineering TechnicianHarmans, MarylandThe Engineering Technician provides technical support for GMP manufacturing and testing operations supporting Phase I/II bulk production, Phase III clinical manufacturing, and commercial biologics within a multi-product facility. Catalent is an exciting and growing international company where employees work directly with pharma, biopharma and consumer health companies of all sizes to advance new medicines from early development to clinical trials and to the market.
Senior Engineer, Advanced Thermal Applications Baltimore Aircoil Company, Inc.Senior Engineer, Advanced Thermal ApplicationsJessup, MD$90,000–$154,100 / yearPart timeThe Senior Engineer, Advanced Thermal Applications is expected to operate with minimal supervision, providing guidance on customer thermal selections, site layout, CFD analysis and contributing to continuous improvement of BAC’s analytical capability. Evaluate heat rejection equipment airflow distribution, unit to unit interaction, airflow recirculation effects, and thermal performance impacts due to layout, wind, and surrounding structures.
Electrical Engineer Intern/Co-op Fall 2026 CMTA, IncElectrical Engineer Intern/Co-op Fall 2026Annapolis, MDPursuing a bachelor's degree in electrical engineering or architectural engineering, preferably a sophomore (2nd year) or a junior (3rd year), + Strong interest in Building Systems Electrical 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 the Columbus office throughout the co-op term, + Ability to travel locally for job site inspections, field work, etc. + Produce detailed layout and equipment details of electrical systems of buildings, + 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.
Senior Solutions Engineer - Systems Integration (Bess) AES CorporationSenior Solutions Engineer - Systems Integration (Bess)Flexible, VA$113,000–$141,525 / yearSenior Solutions Engineer - Systems Integration serves as a technical owner for how BESS subsystems come together electrically and functionally in the field, ensuring safe, reliable, and performant operation across diverse project environments. Serve as a technical representative supporting the full product lifecycle by participating in permitting and local jurisdiction discussions, managing integration risks, and enabling long‑term operational performance improvements.
NewMechanical Testing Engineer Macpower Digital Assets Edge Private LimitedMechanical Testing EngineerWashington, DC$45 / hourProficient and experience in Material properties. Strong experience in Mechanical Testing.
Federal Process Engineer Salas O'Brien, Inc.Federal Process EngineerBaltimore, MD$95,000–$115,000 / yearPart timeOur 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. Working independently with general supervision, the Federal Process Engineer develops process designs, evaluates existing systems, supports process improvements, and collaborates with multidisciplinary teams to deliver safe, efficient, and compliant engineering solutions.