Senior Highway Project Engineer Clark NexsenSenior Highway Project EngineerHerndon, VAFull timeJohnson, Mirmiran & Thompson is a dynamic, 100% employee-owned consulting firm with more than 2,800 professionals, providing a full range of multidisciplinary engineering, architecture, information technology, and related services to public agencies and private clients throughout the United States. Position summary: Responsible for leading, overseeing, or performing engineering design using advanced knowledge of general engineering principles and practices to interpret, organize, execute, and coordinate assignments with limited supervision.
Project Engineer Allan Myers, IncProject EngineerStafford, Virginia$85,000–$105,000 / yearAllan Myers is a leading self-performing heavy civil construction and construction materials company with a strategic network of offices, quarries and asphalt plants covering the Mid-Atlantic from New Jersey to Virginia Beach. Must possess working knowledge of contract administration systems, job cost management, change order management, labor & equipment reporting, planning, and scheduling, preconstruction planning, safety policies and procedures, safe work procedures.
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.
NewEnvironmental Senior Project Manager - Principal ECS LtdEnvironmental Senior Project Manager - PrincipalChantilly, Virginia$80,000–$130,000 / yearECS is currently ranked #60 in Engineering News-Record’s Top 500 Design Firms (April 2026), #148 in Engineering News-Record’s Top 200 Environmental Firms (October 2025) and #50 in Zweig Group’s Hot Firm List (May 2025). This role provides technical leadership, project oversight, client management, staff development, and financial accountability across multiple projects.
Cybersecurity Ai/Ml Engineer Booz Allen Hamilton Inc.Cybersecurity Ai/Ml EngineerMclean, VA$77,600–$176,000 / yearWhat You'll Work On: Design, build, and deploy production AI/ML services for cybersecurity, including supervised and unsupervised detection models, anomaly and behavioral analytics, NLP on security text, retrieval-augmented generation (RAG) pipelines, agentic workflows, and LLM-assisted analyst tooling and own them end-to-end, data ingest feature pipelines training and tuning packaging deployment serving monitoring retraining. Experience developing, testing, and integrating ML services across security tools and platforms using APIs, automation, and workflow orchestration and applying AI and machine learning to cybersecurity use cases such as threat and anomaly detection, behavioral analytics, alert triage and prioritization, threat hunting support, analyst copilots, and response automation with measurable impact on SOC outcomes.
Civil Engineering Discipline Lead AECOMCivil Engineering Discipline LeadArlington, VA$130,000–$200,000 / yearQualifications** **Minimum Requirements** + BA/BS + 8 years of relevant experience or demonstrated equivalency of experience and/or education + Previous experience working on VDOT projects + PE License in Virginia or the ability to obtain reciprocity within 6 months of hire + Due to the nature of the work, US Citizenship is required **Preferred Qualifications** + Bachelors degree in Civil Engineering is desired + 10 years of recent relevant experience is preferred + Demonstrated recent project and client experience in northern Virgina region + Previous experience working with VDOT in the northern Virgina area **Additional Information** + Sponsorship is not available for this role + Relocation support is not available for this position At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.
NewTraffic Engineer VHBTraffic EngineerWashington, Washington, DC$100,000–$140,000 / yearFull timeThis position will support a wide range of VDOT and public agency transportation projects throughout Northern Virginia, with a strong emphasis on traffic signal design, pedestrian safety improvements, pavement markings, and signing. This role is ideal for a motivated mid-level engineer with a strong traffic engineering design background who is looking to expand their project management experience and grow into a future leadership role.
Senior Agentic AI Engineer GTT, LLCSenior Agentic AI EngineerReston, VAExperience with Agentic AI frameworks such as Microsoft Agent Framework, Semantic Kernel, LangGraph, AutoGen, or comparable orchestration frameworks; including single-agent and multi-agent systems, tool-calling workflows, and human-in-the-loop controls. Good understanding of RESTful API principles, asynchronous application patterns, secure integrations, relational databases, SQL, and data-access patterns; familiarity with SQL/NoSQL data stores and data engineering or ETL pipelines.
Assistant Resident Engineer M&J EngineeringAssistant Resident EngineerRockville, MarylandSince its inception in 2004, M&J has grown into diversified provider of engineering, construction management, construction inspection, technology, and environmental services to a broad range of clients, including federal, state and city/local agencies, private owners, architects, engineers and contractors. M&J Engineering is a leader in construction management and inspection, ITS, mechanical, electrical, wastewater, water supply, tunnel airport, port, marine/coastal, environmental engineering, and design-build services for both new infrastructure projects and renovations.
Project Engineer B&S Site DevelopmentProject EngineerManassas, VirginiaSince 2003, we’ve built a reputation for precision, speed, and accountability—transforming large tracts of land into fully prepared e‑infrastructure sites through heavy civil expertise, disciplined project management, and a culture of ownership at every level. Project Engineers are expected to have regular interactions with the field personnel and visit the project sites to gauge progress, manage material deliveries, and generally support the successful completion of the project.
NewCivil Engineering Intern | Fairfax, VA IMEG ConsultantsCivil Engineering Intern | Fairfax, VAFairfax, VirginiaIMEG is hiring a Civil Engineering Intern in Fairfax, VA to work closely with experienced engineers and consultants on engineering analysis, design, field inspections, report writing, permit applications, site drainage and grading designs, and learning the civil engineering trade. The team you would join supports transportation and municipal work and brings a broad Northern Virginia civil practice with experience across data center, industrial, education, survey, ALTA, and SUE work, delivering resilient, environmentally responsible infrastructure.
NewInternships in Systems, Mechanical, Aerospace Engineering or Physics Mitre CorpInternships in Systems, Mechanical, Aerospace Engineering or PhysicsArlington, VA$46,500–$58,000 / yearThis requisition requires the candidate to have a minimum of the following clearance(s): This requisition requires the hired candidate to have or obtain, within one year from the date of hire, the following clearance(s): Salary compensation range and midpoint: $46,500 - $58,000 - $69,500 Annual. Other jobs may require vetting for various levels of agency public trust, fitness, suitability, controlled access, and special programs access determination consistent with the work program to which you are assigned.
NewConstruction Project Manager Civil Markon SolutionsConstruction Project Manager CivilWashington, DC$135,000–$147,000 / yearThe Civil Engineers will provide engineering and project support for site and facility security initiatives and collaborate with multidisciplinary architecture, engineering, and construction (AEC) teams, third-party contractors, and government stakeholders. Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services.
NewInternships in Computer Science or Software Engineering Mitre CorpInternships in Computer Science or Software EngineeringMcLean, VA$46,500–$58,000 / yearThis requisition requires the candidate to have a minimum of the following clearance(s): This requisition requires the hired candidate to have or obtain, within one year from the date of hire, the following clearance(s): Salary compensation range and midpoint: $46,500 - $58,000 - $69,500 Annual. Other jobs may require vetting for various levels of agency public trust, fitness, suitability, controlled access, and special programs access determination consistent with the work program to which you are assigned.
DevOps Engineering Manager (D.C. Area) YurtsDevOps Engineering Manager (D.C. Area)WashingtonSuccess means delivering resilient customer deployments, maintaining operational readiness across the deployment fleet, accelerating upgrade velocity, reducing deployment and sustainment burden through automation, and enabling product teams to deliver capabilities that can be operated reliably in real-world environments. The Deployment Engineering Manager leads this function, partnering closely with Product Engineering, Platform Engineering, Forward Deployed Engineering, and Customer Success teams to ensure Legion systems remain operationally effective throughout their lifecycle.
Waterfront Ship Manager Representative Senior Engineering Technician V Orbis Sibro, Inc.Waterfront Ship Manager Representative Senior Engineering Technician Varlington, VAJob Description: The Waterfront Ship Manager Representative (SMR) Senior Engineering Technician IV role at the Naval Surface Warfare Center, Philadelphia Division (NSWCPD) is a senior technical position that bridges engineering oversight and waterfront execution for U.S. Navy ship modernization and maintenance programs. including providing direct fleet support, installations, testing, troubleshooting, conducting equipment assessments, and acceptance testing and configuration of GFM for installations and upgrades.
Wastewater Engineering Designer T.Y. Lin InternationalWastewater Engineering DesignerAlexandria, VA$81,200–$121,800 / yearThe Engineering Designer will support project teams and the firm's key regional clients in the design and planning of complex and innovative wastewater treatment and conveyance projects, and water treatment and distribution projects in Alexandria. TYLin is a globally recognized, full-service infrastructure consulting firm committed to providing innovative, cost-effective, constructible designs for the global infrastructure market.
Civil Engineering Intern Kimley-HornCivil Engineering InternReston, Virginia$31–$32 / hourInterns will learn one or more software programs specific to their disciplines: AutoCAD, Revit, Civil 3D, Excel, Microstation, VISSIM, Open Roads, Synchro and/or GIS. We take pride in how our employee retention, robust benefits package, and company values have led to Kimley-Horn’s placement on the Fortune “100 Best Companies to Work” list for 19 years!
OBA Research Scientist/Engineer – Fusion Energy Systems Pacific FusionOBA Research Scientist/Engineer – Fusion Energy SystemsSan Leandro, CaliforniaFusion Energy Technologies, including pulsed power systems, lasers, materials, optics, target injection and tracking, radiation chamber dynamics, fuel cycle, facility operations, cryogenics, vacuum technology, precision machining, and all other associated fields. This role is for professionals from U.S. national laboratories interested in pursuing an Outside Business Activity (OBA) in fusion energy under the expanded opportunities provided by Section 10720 of the CHIPS and Science Act .
Scientist I LancesoftScientist ISouth San Francisco, CA$57.97The successful candidate will excel in a dynamic, collaborative research environment, demonstrate exceptional problem-solving skills, and effectively communicate across scientific disciplines to contribute to the development of cutting-edge ocular disease models and help shape the future of ocular drug discovery and development. Designing and executing experiments to characterize lung models, including evaluation of cell viability, morphology, and barrier integrity and function, using techniques such as cytotoxicity assays, confocal and high-content imaging, transepithelial resistance/permeability assays, and transcriptomic and proteomic analyses.