Design Engineer 3 - Annapolis Junction, MD M.C. Dean IncDesign Engineer 3 - Annapolis Junction, MDAnnapolis Junction, MD$104,240–$156,360 / yearEducation/Experience: Bachelor's Degree in a technical/engineering related discipline, such as Electrical Engineering, Mechanical Engineering, Systems Engineering, or similar with 5+ years of experience in engineering or 3+ years of experience with a Masters Degree in Engineering; Preferred experience in ESS design build. Seeking a Design Engineer that is able to work with a dynamic team of engineers, administrators, and technicians responsible for design, implementation, operations & maintenance, and cybersecurity for large complex electronic security systems and physical security systems.
Electrical Engineer (Mission Critical/Data Center) WSP Global IncElectrical Engineer (Mission Critical/Data Center)Herndon, VA$110,000–$135,000 / yearOur mechanical, electrical, plumbing, fire protection, controls, telecommunications, and security building system designs keep many of the world's top Fortune 100 financial, technology, enterprise, hyperscale, and colocation companies up and running 24 hours a day, 365 days a year. Any unsolicited resumes, including those submitted to hiring managers or other business leaders, will become the property of WSP and WSP will have the right to hire that candidate without reservation - no fee or other compensation will be owed or paid to the recruiter, employment agency, or other staffing service.
Mechanical Design Engineer AST SpaceMobileMechanical Design EngineerLanham, MDPerform mechanical design and computer-aided modeling of space hardware, including final detailed design definition of parts and assemblies and management of mechanical interfaces between subsystems. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today's five billion mobile subscribers and finally bring broadband to the billions who remain unconnected.
Mechanical Engineer Royal Oak MI AHU Technologies IncMechanical Engineer Royal Oak MIWashington, DCRemoteFull timeThe ideal candidate will work closely with electrical, architectural, and external engineering teams to deliver fully coordinated HVAC and plumbing system designs across all project phases. This role supports healthcare, institutional, and commercial projects and is responsible for producing stamped construction documents and coordinating multidisciplinary building systems.
NewMechanical Engineer II/Senior Rocket Lab CorpMechanical Engineer II/SeniorSilver Spring, MD$87,000–$125,000 / yearImportant information: FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY: To 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.
NewStructural Design Engineer Mead & HuntStructural Design EngineerColumbia, Maryland$92,000–$125,000 / yearOur planning, design, and construction services support clients across a wide range of markets, including transportation, water infrastructure, architecture, food and beverage processing, federal, and more. Prepare and oversee the preparation of bridge and highway sign structures designs, reports, studies, specifications, provisions, and construction documents.
Mechanical Engineer Erdman AnthonyMechanical EngineerColumbia, MDErdman Anthony is a nationally recognized, award-winning engineering consulting firm specializing in transportation engineering services, construction services, facilities engineering and design services, civil engineering services, and geospatial services. Erdman Anthony is seeking a Mechanical Engineer to work with architects and building owners under the guidance of a Professional Engineer to translate owner needs into a building design that is buildable, cost-effective, and sustainable.
Senior Electrical Designer/Engineer Northern ImpactSenior Electrical Designer/EngineerWashington, District of ColumbiaThis is an opportunity for an accomplished electrical engineering professional to lead challenging MEP assignments, guide developing team members, collaborate directly with clients, and help shape reliable, efficient building systems from concept through construction. If you are ready to bring your technical expertise, leadership, and client-focused approach to a team delivering meaningful, high-performance projects, we would welcome the opportunity to connect.
Electrical Engineer, Water T.Y. Lin International Group LtdElectrical Engineer, WaterAlexandria, VA$95,200–$142,800 / yearTYLin is a globally recognized, full-service infrastructure consulting firm committed to providing innovative, cost-effective, constructible designs for the global infrastructure market. Provide electrical, communications, fire alarm, and process control design services in water and wastewater treatment plant facilities, pump stations, and lift stations.
Senior / Principal Flight Physics Engineer Electra Aero IncSenior / Principal Flight Physics EngineerManassas, VA$130,000–$180,000 / yearThe ideal candidate is a technically strong aerospace engineer who thrives in a fast-paced startup environment, is comfortable taking ownership of complex technical challenges, and enjoys collaborating across disciplines to develop innovative aircraft solutions. As a Senior/Principal Flight Physics Engineer, you will lead the development, analysis, and validation of aerodynamic and flight physics models that support the design, performance, stability, control, and certification of Electra''s hybrid-electric eSTOL aircraft.
Senior Propellant Engineer Applied Research Associates IncSenior Propellant EngineerIndian Head, MD$130,000–$145,000 / yearBecause continuous proximity to the team and operations is an essential function of the position, certain workspace modifications-such as isolating the worker in a quiet, dimly lit, or entirely private office-cannot be accommodated while fulfilling the core responsibilities of this role. Applied Research Associates, Inc. is a 100% employee-owned international research and engineering company recognized for providing technically superior solutions to complex and challenging problems in the physical sciences.
Senior Development Engineer, Thermal Generation Capital Power CorporationSenior Development Engineer, Thermal GenerationWashington, DC$128,000–$141,000 / yearAs the technical lead, you will collaborate across strategy, development, operations, estimating, procurement, legal, and external engineering teams to advance projects from concept through execution and support key investment decisions. Direct multidisciplinary teams and collaborate across engineering, permitting, procurement, construction, operations, and commercial teams to deliver successful project outcomes.
Commissioning Engineer Vertical Mechanical Group IncCommissioning EngineerSterling, VAFull timeWe brought these two respected companies together to provide our clients with award winning expertise in HVAC and Plumbing for new construction, improvements, renovations, upfits, design-build, and installations in the commercial space. The Commissioning Engineer plays a critical role in ensuring that complex systems and equipment are properly installed, tested, and operational prior to the Commissioning Agent's visit.
Power Plant Engineer NAES CorporationPower Plant EngineerAquasco, MD$145,000–$175,000 / yearPart timeSome duties may require the use of protective equipment, which can include hard hats, safety glasses, and eye protection, air masks/respirators, ear protection, chemical suits, flame-resistant clothing (FRC), hot gloves, high-voltage protective gear, and fall protection. Maintain and optimize instrumentation, measurement, electrical, and control systems, including protective relays, circuit breakers, transformers, switchgear, motor control centers (MCCs), Distributed Control Systems (DCS), and Programmable Logic Controllers (PLC).
Project Field Engineer Bechtel CorpProject Field EngineerReston, VA$157,700–$231,000 / yearExtraordinary teams building inspiring projects: Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world''s infrastructure, increased access to energy, resources, and vital services, and made the world a safer, cleaner place. Required Knowledge and Skills: Previous experience delivering a combined cycle power plant, and leading teams of Field Engineers, either as a Lead Discipline Field Engineer, Area Field Engineer, Project Field Engineer or equivalent.
LEAD .NET & DevOps Engineer (Accela / OpenGov) TRIGYN TECHNOLOGIES, INC.LEAD .NET & DevOps Engineer (Accela / OpenGov)Baltimore, MD$70–$80 / hourContractorThe ideal candidate will have extensive experience in designing, developing, and maintaining high-performance applications and will play a key role in driving our software initiatives forward. In addition, the LEAD Engineer must have implementing, customizing, and supporting popular Government Saas applications such as, but not limited to, Accela and OpenGov.
Construction Project Engineer - Industrial Projects System OneConstruction Project Engineer - Industrial ProjectsArlington, VA$75,000–$110,000 / yearAs a Construction Project Engineer , you will work onsite with the Project Team to plan, develop, coordinate, and manage onsite construction engineering activities for Industrial projects – primarily Water/Wastewater Treatment plant construction but also factories/production facilities, data centers , focused mostly in Northern Virginia, District of Columbia (DC), and Baltimore area. Develop, implement, and administer project engineering procedures and other work controlling documents (submittals, RFI’s, expediting material deliveries, payment of Subcontractors/Vendors, and Owner pay requests).
Software Engineer with TS-SCI with Poly System OneSoftware Engineer with TS-SCI with PolyFort Meade, MD$97,000–$224,000 / yearBachelor’s degree in Computer Science or related discipline from an accredited college or university OR four (4) years of additional SWE experience on projects with similar software processes in lieu of degree. Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design.
Floodplain and Dam Engineer - Technical Lead System OneFloodplain and Dam Engineer - Technical LeadChantilly, VAThe Floodplain and Dam Engineer - Technical Lead involves work on floodplain modeling, floodplain permitting, floodplain crossing design, dam modeling, and dam permitting. Floodplain work includes both local and FEMA-regulated areas, while dam-related efforts focus on state-regulated dams in Virginia and Maryland.
Sr Electrical Engineer (Secret Clearance) System OneSr Electrical Engineer (Secret Clearance)Chantilly, VA$110,000–$170,000 / year10+ years of experience in design and specification of: lighting systems, power systems, fire alarm systems, telecom/data systems, medium voltage power systems, UPS systems, emergency generator systems, grounding systems, and utility systems. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
NewLand Development Engineer/ Project Manager System OneLand Development Engineer/ Project ManagerChantilly, VAYou’ll work alongside a diverse team of engineers, planners, landscape architects, and designers to bring complex projects to life—ranging from mixed-use developments and data centers to federal facilities and community infrastructure. As a Land Development Engineer or Project Manager, you will play a key role in delivering impactful site and infrastructure projects that shape communities across both public and private sectors.
Information Systems Security Engineer System OneInformation Systems Security EngineerClarksburg, MD$180,000 / yearYou’ll be hands-on with the Risk Management Framework (RMF), Assessment & Authorization (A&A), ATO sustainment, control validation, continuous monitoring, and vulnerability/stig compliance efforts—partnering closely with security and technical teams. In this role, you’ll help build, secure, and maintain systems by applying cybersecurity engineering best practices across design, implementation, authorization, and ongoing compliance.
Accessibility Engineer System OneAccessibility EngineerVienna, VASystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. • Support Marketing Technology Services Delivery teams across products including marketing website (NFO), intranet (eNet), and design system (Cmd+R).
NewIoT Engineer System OneIoT EngineerMerrifield, VARemote$80 / hourPartner with sensor specialists to manage new sensor data streaming to the IoT platform, and with data scientists and machine learning engineers to take on analytic results and develop it to an application with a user interface, integrate with any pre-existing systems, demonstrate successful use cases and wins, etc. Work with Industry solution providers, equipment manufacturers, and the Enterprise Resource Planning vendor to design and implement the required system integration points and data flow to achieve best-in-class lights-out operations.
Senior SQL Database Platform Engineer System OneSenior SQL Database Platform EngineerWashington, DCProvide a senior engineer to deliver database server administration for the Board's on-premises SQL Server and PostgreSQL environments as automated, FISMA-compliant code — supporting the PostgreSQL ATO, cloud-readiness, and platform modernization. • Design and implement CI/CD pipelines in GitLab for database server and instance builds, version upgrades, patching, cumulative updates, and configuration changes across SQL Server and PostgreSQL server enterprise service offerings.
NewModern Workplace Engineer System OneModern Workplace EngineerMerrifield, VA$60–$70 / hourDevelop automation solutions utilizing PowerShell and Microsoft Graph APIs; eliminate manual operational tasks through workflow automation. • Serve as a senior technical resource responsible for endpoint engineering, automation, platform modernization, and operational efficiency initiatives.
NewSenior System Engineer (Email Security) System OneSenior System Engineer (Email Security)Washington, DCResponsibilities : • Lead the migration from on-premises IronPort email security appliances to Proofpoint cloud-based email security solution, ensuring seamless transition with minimal disruption to email services. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
Design Engineer 5 - Tysons, VA M.C. Dean, IncDesign Engineer 5 - Tysons, VATysons , Virginia$150,080–$225,120 / yearFull timeSeeking a Senior Design Engineer that is able to work with a dynamic team of engineers, administrators, and technicians responsible for design, implementation, operations & maintenance, and cybersecurity for large complex electronic security systems and physical security systems. Drive planning for and participate in Pre-Installation Testing and Checkout (PITCO) processes including system programming, integration testing, and equipment build outs.
NewSenior Telecom Software Engineer (TS/SCI clearance) System OneSenior Telecom Software Engineer (TS/SCI clearance)Herndon, VASupport Linux-based systems supporting telecommunications infrastructure by ensuring high availability, performance, and reliability, supporting environments on CentOS 7 transitioning to Rocky Linux. • Monitor and analyze telecommunications systems, interpret inbound data streams, and utilize packet capture tools like Wireshark and tcpdump to troubleshoot core network issues.
Launch Operations Mechanical Engineer Lead AST SpaceMobileLaunch Operations Mechanical Engineer LeadLanham, MDThis role provides technical authority and execution leadership throughout the launch campaign, ensuring mechanical readiness, risk mitigation, and flawless execution for flight hardware and Mechanical Ground Support Equipment (MGSE). The Lead serves as the primary on-site mechanical authority, bridging design, manufacturing, and launch operations while mentoring engineers and coordinating across internal and external partners to ensure mission success.
NewMainframe Engineer System OneMainframe EngineerMerrifield, VA$70–$90 / hourSystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Proficiency in designing and supporting automation across z/OS subsystems such as CICS, Db2, IMS, JES2/JES3, MQ, TCP/IP.
NewLead Mechanical Engineer (Mission Critical/Data Centers) WSP Global IncLead Mechanical Engineer (Mission Critical/Data Centers)Herndon, VA$130,000–$180,000 / yearOur mechanical, electrical, plumbing, fire protection, controls, telecommunications, and security building system designs keep many of the world's top Fortune 100 financial, technology, enterprise, hyperscale, and colocation companies up and running 24 hours a day, 365 days a year. As a Lead Mechanical Engineer with us, you will design complex cooling and HVAC systems, including air distribution systems, chiller plants, and alternative energy solutions while leading projects and a team of mechanical engineers.
Senior Design Engineer Helsing GmbHSenior Design EngineerWashington, DCYour expertise will be vital in realizing robust, scalable, and cost-effective solutions that enhance the performance of Helsing''s UAV systems, directly supporting our mission to provide advanced defense capabilities. Produce 3D and 2D documentation using SolidWorks or similar CAD/PLM tools, ensuring proper form, fit, and function of components by using analytical and simulation tools.
Wastewater Design Engineer T.Y. Lin International Group LtdWastewater Design EngineerWashington, DCNear term assignments in the region could include Business and client development; water and wastewater infrastructure and facilities planning and design; studies and modeling; preparation of engineering reports; support services during construction; and a variety of other related assignments. Technical excellence in planning studies, preliminary designs, final designs, asset management, program management, bid assistance and office services during construction for water and wastewater infrastructure and facilities.
NewSenior Enterprise Mobility Engineer System OneSenior Enterprise Mobility EngineerWashington, DCThis role requires strong technical expertise in Enterprise Endpoint Management solutions, including Microsoft Intune, Jamf Pro, and Apple Business Manager, with the ability to engage across multiple platforms to solve complex technology challenges. The Board's Division of Information Technology is seeking an experienced Senior Enterprise Mobility Engineer to join our Tier 2/3 Endpoint Engineering and Operations team.
Mechanical Engineer - Senior-Level Sargent & LundyMechanical Engineer - Senior-LevelElkridge, Maryland$84,762–$129,498 / yearFull timeFive or more years of experience in the design of mechanical engineering systems for non-commercial, heavy industrial plants (power plant - essential, oil & gas, or chemical - valued), with a focus on integrated, detailed system design for new plants, modifications, or replacements; Experience must include the selection of equipment, piping materials, control philosophy, and the preparation of supporting calculations and specifications. AI & Automation at Sargent & Lundy: In this role, we expect people to be willing or able to lead others who use modern tools: You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs.
Design Engineer 4 - Annapolis Junction, MD M.C. Dean IncDesign Engineer 4 - Annapolis Junction, MDAnnapolis Junction, MD$125,120–$187,680 / yearSeeking a Design Engineer that is able to work with a dynamic team of engineers, administrators, and technicians responsible for design, implementation, operations & maintenance, and cybersecurity for large complex electronic security systems and physical security systems. Education/Experience: Bachelor's Degree in a technical/engineering related discipline, such as Electrical Engineering, Mechanical Engineering, Systems Engineering, or similar with 7+ years of experience in engineering or.
Engineer 1 - New College Graduate - 2026 - 2027 Season M.C. Dean, IncEngineer 1 - New College Graduate - 2026 - 2027 SeasonTysons , Virginia$75,520–$94,400 / yearFull timeM.C. Dean is headquartered in Tysons, Virginia and employs more than 9,000 professionals who engineer and deploy automated, secure, and resilient power and technology systems; and deliver the management platforms essential for long-term system sustainability. Join us to build expertise through a combination of formal training programs and experiential, on-the-job learning to develop a broad and highly advanced skillset across the company's integrated business units.
NewMechanical Design Engineer II/III (MEP) Interface EngineeringMechanical Design Engineer II/III (MEP)WashingtonAs a 100% employee-owned firm, we’re proud to offer our Collaboration from Home policy—giving you the flexibility of a hybrid schedule (3 days in-office per week minimum) while staying connected to a team that values innovation, inclusion, and impact. Our staff is empowered to design community service programs (e.g., clean up beaches, serve meals at shelters, tutor school-aged children, etc.) – using paid volunteer time.
Senior Mechanical Engineer (Marine Auxiliary Equipment) Pantheon DataSenior Mechanical Engineer (Marine Auxiliary Equipment)Glen Burnie, MDRemote$95,000–$110,000 / yearFull timeIf you require reasonable accommodation in completing this application, interviewing, completing any pre-employment testing, or otherwise participating in the employee selection process, please direct your inquiries to our Talent Team at Recruiting@pantheon-data.com or by phone (571) 363-4020.This company uses E-Verify to confirm each employee's work authorization. Our service offerings have grown in the past ten years, including infrastructure resiliency, contact center operations, information technology, software engineering, program management, strategic communications, engineering, and cybersecurity.
Mechanical Engineer Senior Level Sargent & Lundy LLCMechanical Engineer Senior LevelElkridge, MD$82,380–$125,860 / yearFive or more years of experience in the design of mechanical engineering systems for non-commercial, heavy industrial plants (power plant - essential, oil & gas, or chemical - valued), with a focus on integrated, detailed system design for new plants, modifications, or replacements; Experience must include the selection of equipment, piping materials, control philosophy, and the preparation of supporting calculations and specifications. In this role, we expect people to be willing or able to lead others who use modern tools: You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs.
Senior Roadway Design Engineer AtkinsRealis Group IncSenior Roadway Design EngineerAlexandria, VA$100,000–$130,000 / yearNote to staffing and direct hire agencies: In the event a recruiter or agency who is not on our preferred supplier list submits a resume/candidate to anyone in the company, AtkinsRéalis family of companies, we explicitly reserve the right to recruit and hire the candidate(s) at our discretion and without any financial obligation to the recruiter or agency. Duties usually include the following: Plans, schedules, conducts, or coordinates detailed phases of the engineering work in a part of a major project or in a total project of moderate scope.
Team Leader/Senior Mechanical Design Engineer (MEP) Interface EngineeringTeam Leader/Senior Mechanical Design Engineer (MEP)WashingtonKey Responsibilities : As a Project Manager/Senior Mechanical Design Engineer at Interface, you will be taking ownership as a project manager on multiple projects and play an essential role in the consulting, coordination, and completion of mechanical, electrical, and plumbing (MEP) systems design. As a 100% employee-owned firm , we’re proud to offer our Collaboration from Home policy—giving you the flexibility of a hybrid schedule with 3 days in-office per week minimum (Tuesday, Wednesday, Thursday) while staying connected to a team that values innovation, inclusion, and impact.
NewSenior Mechanical Design Engineer (MEP) Interface EngineeringSenior Mechanical Design Engineer (MEP)WashingtonAs a 100% employee-owned firm, we’re proud to offer our Collaboration from Home policy—giving you the flexibility of a hybrid schedule (2 days in-office per week minimum) while staying connected to a team that values innovation, inclusion, and impact. Our staff is empowered to design community service programs (e.g., clean up beaches, serve meals at shelters, tutor school-aged children, etc.) – using paid volunteer time.
Design Engineer 1 - Washington, DC M.C. Dean IncDesign Engineer 1 - Washington, DCWashington, DC$75,520–$94,400 / yearAs part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. Support planning for and participate in Pre-Installation Testing and Checkout (PITCO) processes including system programming, integration testing, and equipment build outs.
Design Engineer 2 - Tysons, VA M.C. Dean IncDesign Engineer 2 - Tysons, VATysons, VAAs part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. Support planning for and participate in Pre-Installation Testing and Checkout (PITCO) processes including system programming, integration testing, and equipment build outs.
Design Engineer 3 - Tysons, VA M.C. Dean, IncDesign Engineer 3 - Tysons, VATysons , Virginia$104,240–$156,360 / yearFull timeAs part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. Support planning for and participate in Pre-Installation Testing and Checkout (PITCO) processes including system programming, integration testing, and equipment build outs.
Senior Electrical Design Engineer (MEP) Interface EngineeringSenior Electrical Design Engineer (MEP)WashingtonAs a 100% employee-owned firm, we’re proud to offer our Collaboration from Home policy—giving you the flexibility of a hybrid schedule (3 days in-office per week) while staying connected to a team that values innovation, inclusion, and impact. Our staff is empowered to design community service programs (e.g., clean up beaches, serve meals at shelters, tutor school-aged children, etc.) – using paid volunteer time.
Design Engineer Associate M.C. Dean IncDesign Engineer AssociateTysons, VAAssist other engineers in producing conceptual design to construction documents from utilization voltage to low voltage including, detailed equipment layout, single and three-line diagrams, grounding, and feeder routing. Headquarters in Tysons, Virginia, M.C. Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and smart systems integration.
Design Engineer Principal M.C. Dean IncDesign Engineer PrincipalTysons, VAAssist other engineers in producing conceptual design to construction documents from utilization voltage to low voltage including, detailed equipment layout, single and three-line diagrams, grounding, and feeder routing. Headquarters in Tysons, Virginia, M.C. Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and smart systems integration.