Water/Wastewater Engineer - Entry Level Whitman, Requardt and Associates, LLPWater/Wastewater Engineer - Entry LevelFairfax, Virginia$72,000–$97,000 / yearFull timeA copy of current, or most recent, school transcript (If you are applying via a 3rd party site that does not allow attachments, please email transcript to careers@wrallp.com). The specific compensation offered to a candidate may vary based on factors including, but not limited to, the candidate's relevant knowledge, training, skills, work location, and/or experience.
Knowledge Graph Software Engineer - Clearance Required BTI360Knowledge Graph Software Engineer - Clearance RequiredHerndon, VA$125,900–$247,900 / yearIn this role, you'll work closely with our engineers and mission teams to tackle complex business problems using emerging AI technologies - specifically by extracting and linking critical entities to build and curate scalable graph databases and knowledge bases. What you will do in this role: As a Knowledge Graph Software Engineer at BTI360, you will: Lead end-to-end knowledge graph and knowledge base development efforts from problem definition to production, designing pipelines that extract, normalize, link, and organize information into scalable graph-based systems.
Controls Engineer II, Operational Technology United Therapeutics CorporationControls Engineer II, Operational TechnologySilver Spring, MD$84,000–$120,000 / yearProvide system support for Operational Technology systems to include Enterprise Quality Management System (TrackWise), Enterprise Resource Planning (ERP) Systems (SAP), and Electronic Document Management Systems (EDMS) (Adept and MasterControl). The Controls Engineer II, Operational Technology will provide key technical and automation support for complex distributed control systems and manufacturing automation systems, including Schneider EcoStruxure, AVEVA Archestra, and JCI Metasys in a regulated, validated environment.
Civil & Industrial Engineer Expert Booz Allen HamiltonCivil & Industrial Engineer ExpertReston, VirginiaAs a civil and industrial engineer on our team, you'll support defense analytical requirements with enhanced scientific or engineering research on issues such as capability or limitation analysis, reverse engineering analysis or characterizations, and facility and vulnerability assessments, including civil or industrial engineering and subdisciplines of environmental, power system, pipeline, petroleum, structural, manufacturing, geotechnical, transportation, highway, material science, seismic or earthquake, construction, hydrology, and water resource engineering. 12+ years of experience in civil or industrial engineering, including sub-disciplines of environmental, power system, pipeline, petroleum, structural, manufacturing, geotechnical, transportation, highway, material science, construction, hydrology, and water resource engineering.
Quality Assurance Engineer - AI Automation Kastle SystemsQuality Assurance Engineer - AI AutomationFalls Church, VirginiaKastle's integrated security solution, including access control, video, and remote video monitoring, significantly reduces costs and improves the critically important 24x7 performance for building owners, developers and tenants. Kastle's integrated security solution, including access control, video, and remote video monitoring, significantly reduces costs and improves the critically important 24x7 performance for building owners, developers and tenants.
Associate Engineer Drafter - TS/SCI Polygraph Required LeidosAssociate Engineer Drafter - TS/SCI Polygraph RequiredReston, VirginiaAs part of a characterization team, integrate all-source intelligence, geotechnical data, topographical data, underground infrastructure expertise, and engineering principles to identify and model facility functions (missions) and physical configurations, including layouts, structures, mission systems, support systems, and associated components. August 14, 2026 For 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.
Junior Engineer Drafter - TS/SCI Poly Required LeidosJunior Engineer Drafter - TS/SCI Poly RequiredReston, VirginiaAs part of a facility characterization team, integrate all-source intelligence, geotechnical data, topographical information, underground infrastructure expertise, and engineering best practices to identify and model facility functions, missions, and physical configurations. August 14, 2026 For 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.
Senior Mechanical Engineer CMTA, IncSenior Mechanical EngineerFairfax, VAThe 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.
NewSenior Cyber Security Engineer Brown and Caldwell IncSenior Cyber Security EngineerAlexandria, VA$129,000–$177,000 / yearWorking knowledge across many of the following domains, with deeper hands-on expertise in at least three or four: identity & access management; communications & network; asset; operations; software development; application; SIEM and detection engineering; automation/scripting; incident and vulnerability management; and assessment/compliance/audit support. The Senior Cyber Security Engineer protects the companys systems and information by designing, building, and supporting complex security solutions while driving the organizations compliance posture against applicable industry frameworks and client requirements.
Electrical Engineer Erdman AnthonyElectrical EngineerLeesburg, VAErdman 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. As an Electrical Engineer in our Facilities Engineering and Design service business, you will be working on electrical designs and many times with a team of mechanical, plumbing, refrigeration, and fire protection engineers to develop construction drawings for a large variety of clients and project types.
Electrical Engineer, Joint Base Anacostia Bolling, Washington D.C, Technologist, Inc.Electrical Engineer, Joint Base Anacostia Bolling, Washington D.C,Washington, DCDuties include: Provide on-site subject matter expertise in performing requirement definition, programming, planning, design development, integration with existing physical infrastructure and other projects, documentation, and project and construction management of facility and infrastructure projects of varying scopes and costs as well as environmental support of the base and facilities. Technologist, Inc. is seeking an Engineering Technician to support the 11th Civil Engineer Squadron (CES) at Joint Base Anacostia Bolling (JBAB), Washington DC (20 MacDill Blvd.
Mechanical 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 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.
Concrete Research Engineer Genex SystemsConcrete Research EngineerMcLean, VA$80,000–$124,000 / yearIts work spans full-scale testing of bridges and bridge components, field evaluation of in-service structures, and forensic investigation of structural failures for state Departments of Transportation, FHWA divisions, and the National Transportation Safety Board (NTSB) — determining root causes of bridge failures and developing practices to prevent them from happening again. Genex Systems is hiring a Concrete Research Engineer to plan and conduct structural research projects for the Federal Highway Administration (FHWA) in the Structures Laboratory at the Turner-Fairbank Highway Research Center (TFHRC), the nation's premier highway research facility.
Chief Engineer/Hotel Donohoe Companies Inc., TheChief Engineer/HotelArlington, Virginia$33–$37 / hourResponsibilities: Complete Building Services is a facility management company that partners with major hotel brands Marriott, Hilton, Holiday Inn, and Cambria. We pride ourselves on our collaborative culture, which starts with our interview process and continues through to your day-to-day role, regular corporate get-togethers, potluck breakfasts/lunches, and office contests, to name a few.
Perception & Fusion Engineer Applied IntuitionPerception & Fusion EngineerArlington, VirginiaWe're looking for someone who has: MS or PhD in Electrical Engineering, Computer Engineering, Robotic Engineering, Computer Science, Optimization, or equivalent OR 5+ years of relevant experience working with sensor algorithms, hardware, and HIL software integration. Applied Intuition is headquartered in Sunnyvale, California, with offices in Washington, D.C. San Diego; Ft. Walton Beach, Florida; Ann Arbor, Michigan; London; Stuttgart; Munich; Stockholm; Bangalore; Seoul; and Tokyo.
Experienced Acoustics Engineer - Washington, D.C. SercoExperienced Acoustics Engineer - Washington, D.C.Herndon, VAPMS450 is the acquisition program office for the New Construction of Attack Submarines and for identifying, assembling, managing, directing, and coordinating the resources required for the R&D, design, construction, Test and Evaluation (T&E), Live Fire Test and Evaluation (LFT&E), and Fleet introduction of the U.S. Navy’s newest class of nuclear attack submarines. As the Experienced Acoustics Engineer, you will be on a dynamic team providing technical and programmatic support to the VIRGINIA Class Submarine Program Office (PMS450) and the U.S. Navy’s Team Submarine Program Offices SHAPM contract at the Washington Navy Yard in Washington, DC!
Mid Level Acoustics Engineer SercoMid Level Acoustics EngineerWashington, DCPMS450 is the acquisition program office for the New Construction of Attack Submarines and for identifying, assembling, managing, directing, and coordinating the resources required for the R&D, design, construction, Test and Evaluation (T&E), Live Fire Test and Evaluation (LFT&E), and Fleet introduction of the U.S. Navy's newest class of nuclear attack submarines. Actual base salary will be determined by a variety of factors, including but not limited to, the scope of the role, relevant experience, job-related knowledge, education and training, key skills, and geographic market considerations.
Drone Stack - Software Engineer Applied IntuitionDrone Stack - Software EngineerArlington, VirginiaCollaborate with autonomy engineers to implement service-oriented-architecture software and inter-process messaging systems for autonomous UASsCollaborate with DoD warfighter domain experts and 3rd party UAS vehicle vendors to develop and integrate autonomy software onto OEM hardware. You will collaborate closely with cross-functional teams to deliver robust, scalable solutions for defense and commercial customers, providing seamless hardware-software integration, troubleshooting, and customer-facing demonstrations.
NewSoftware Engineer (Drone Stack) Applied IntuitionSoftware Engineer (Drone Stack)Arlington, VirginiaWork alongside autonomy engineers to marry autonomy software with vehicle hardware — achieving full integration with aircraft autopilots, datalinks, sensor payloads, PNT/GPS/INS, and ground control stations — and to build service-oriented-architecture software and inter-process messaging frameworks for autonomous UAS. Hands-on integration of robotics or autonomy products with Pixhawk-family autopilots (ArduPilot and/or PX4), plus working knowledge of common communication buses and protocols: UART/RS232/RS422/RS485, SPI/QSPI, I2C, and Ethernet.