Civil Engineer Roadway Drainage Kimley-Horn and Associates IncCivil Engineer Roadway DrainageReston, VAWork in a dynamic team environment on a range of projects including roadway projects (new alignment and widening), pedestrian improvement projects, surface water management studies, hydrologic and hydraulic modeling, analysis and design, flood studies, bridge hydraulics, green infrastructure planning and design. Prepare Hydraulic/Hydrology studies, drainage areas maps, storm sewer networks, pipe profiles, drainage descriptions, stormwater management facilities/BMPs, drainage reports, design documents, and design plans and specifications for roadway water resources projects.
Civil Engineer Land Development Kimley-Horn and Associates IncCivil Engineer Land DevelopmentAshburn, VAIn addition to strong technical experience, other responsibilities will include research, coordination, project management, staff management, cost estimating, permitting for land disturbance and preparation of bid packages as well as technical specifications. Candidates should have experience with site civil design, permitting, and applicable software applications including hydrology modeling program, storm drainage programs, AutoCAD, and Civil 3D.
Sr. Mechanical Engineer PE | Federal Projects Arcadis NVSr. Mechanical Engineer PE | Federal ProjectsWashington, DC$110,000–$180,000 / yearIn this role, you will act as a Federal Subject Matter Expert (SME), leading mechanical design across multiple concurrent projects while collaborating with multidisciplinary teams and federal clients to deliver innovative and sustainable solutions. Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets.
Structural Engineer Ports & Maritime Kimley-Horn and Associates IncStructural Engineer Ports & MaritimeReston, VAPerform structural design calculations, plan production activities, and prepare project document submittal packages, while maintaining a Quality Control program for the entire project. 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!
Civil Engineer Renewable Energy Kimley-Horn and Associates IncCivil Engineer Renewable EnergyBaltimore, MDKimley-Horn''s Baltimore City, Maryland (MD) office is seeking a Civil Engineer with 4+ years of experience to join their Renewable Energy team! 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!
Project Engineer - Electrical Enercon Services IncProject Engineer - ElectricalVA$105,400–$170,000 / yearYour role will involve developing winning engineering proposals with technical staff, executing projects within budget and schedule constraints, and maintaining robust client relationships. Imagine a day where you lead dynamic design engineering projects, guiding cross-functional teams to deliver innovative, high-quality solutions on time and within budget.
Wastewater Treatment Process Engineer GFT Infrastructure IncWastewater Treatment Process EngineerFairfax, VA$80,000–$180,000 / yearUse processes such as physical/chemical primary treatment, conventional activated sludge, biological nutrient removal, fixed-film processes, membrane bio-reactors (MBR), sidestream treatment, tertiary filtration, auxiliary wet-weather treatment, and disinfection. In this capacity, the successful candidate will be responsible for the following: System Design:Lead and support the planning and process evaluation of wastewater processes, including biological nutrient removal, sludge handling, and filtration processes.
Water Treatment Process Engineer GFT Infrastructure IncWater Treatment Process EngineerFairfax, VA$80,000–$180,000 / yearIn this capacity, the successful candidate will be responsible for the following: System Design:Lead and support the planning and process evaluation of potable water treatment processes, including intakes and raw water pump stations, coagulation, flocculation, sedimentation, disinfection, filtration, iron and manganese removal, PFAS treatment, chemical systems, and process wastewater and residuals handling. Experience in the planning and execution of projects: including project approach and resource needs, options analysis, process and equipment design, and engineering document development through the project delivery phases of plan, design, procure, construct, and commissioning.
Project Engineer - Instrumentation & Controls Enercon Services IncProject Engineer - Instrumentation & ControlsVA$105,400–$170,000 / yearYour role will involve developing winning engineering proposals with technical staff, executing projects within budget and schedule constraints, and maintaining robust client relationships. Imagine a day where you lead dynamic design engineering projects, guiding cross-functional teams to deliver innovative, high-quality solutions on time and within budget.
Civil Engineer Transportation/Traffic Kimley-Horn and Associates IncCivil Engineer Transportation/TrafficAshburn, VAPerform traffic engineering and project management tasks to deliver a wide variety of transportation planning, transit, traffic engineering, safety, and intelligent transportation systems (ITS) projects for many, diverse clients. Manage their projects profitably, engage in hands-on practice and delivery of projects, transition work to qualified staff, and act as a positive leader and mentor.
Natural Gas Engineer Transmission and Facilities Kimley-Horn and Associates IncNatural Gas Engineer Transmission and FacilitiesReston, VALead and coordinate multidisciplinary engineering design efforts, working closely with Civil/Structural, Electrical, Instrumentation & Control, and other disciplines. Bachelors or Masters from an ABET accredited university in Mechanical Engineering, Petroleum Engineering, Civil Engineering or related field.
Lead Design/Build Engineer - Rail And Transit Parsons Commercial Technology Group Inc.Lead Design/Build Engineer - Rail And TransitWashington D C, DC$128,700–$231,700 / yearIn this role, you will lead integrated design teams, working in close coordination with builders/developers; perform project planning; define project goals; and devise methods to organize and deliver the engineering tasks necessary to accomplish the work. 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 Blast Project Engineer Thornton TomasettiSenior Blast Project EngineerWashington DC, WashingtonThis role blends engineering analysis, consulting, and collaboration, working alongside structural engineers, architects, and security specialists to assess risks and develop practical, high-performance protective design strategies for new and existing facilities. You will lead and contribute to blast, ballistics, and forced-entry hardening efforts across a wide range of project types – transit, education, commercial, and critical infrastructure – translating advanced technical analyses into clear, implementable solutions.
Part-Time Fire Protection Engineer CACIPart-Time Fire Protection EngineerBethesda, MarylandPay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. This role is ideal for an experienced professional with a robust background in fire protection engineering, particularly someone with experience in Department of Defense (DoD) and Navy construction projects.
Wastewater Treatment Design Engineer GFT Infrastructure IncWastewater Treatment Design EngineerFairfax, VA$90,000–$200,000 / yearUse processes such as physical/chemical primary treatment, conventional activated sludge, biological nutrient removal, fixed-film processes, membrane bio-reactors (MBR), side stream treatment, tertiary filtration, auxiliary wet-weather treatment, and disinfection. 8 + years of experience required in wastewater discipline, particularly as a wastewater engineer designing (study, plans and specifications) water and/or wastewater infrastructure (i.e. treatment and collection/distribution projects).
NewSUPERVISORY GENERAL ENGINEER-DIRECT HIRE AUTHORITY United States Air ForceSUPERVISORY GENERAL ENGINEER-DIRECT HIRE AUTHORITYWashington, DC$125,776–$192,331 / yearHave evidence of successfully passing the written test required for professional registration or have successfully passed the Engineer-in-Training (EIT) examination and have completed all the requirements for either (a) a Bachelors Degree in Engineering Technology (BET) from an accredited college or university that included 60 semester or 90 quarter hours of courses in the physical, mathematical, and engineering sciences, or (b) a BET from a program accredited by ABET. Oversees test planning, execution, and reporting activities as the Lead Developmental Test Organization (LDTO) and Executing Test Organization (ETO) for ground and flight testing of hypersonic systems by partnering with Participating Test Organizations (PTOs) across the Air Force Test Center (AFTC), Air Force Research Laboratory (AFRL), the Major Range and Test Facility Base (MRTFB), Industry and Academia.
Stormwater Engineer Arcadis NVStormwater EngineerArlington, VA$105,494–$158,242 / yearAdditional responsibilities include: Perform, set up, assemble data, and coordinate resources to complete hydrologic and hydraulic modeling and calculations for stormwater linear design, watershed models, natural systems and dams, and act as a stormwater resource for teams across the region and country. The preferred candidate will have experience working in a design, consulting engineering, or municipal environment, along with demonstrated project leadership capabilities, including managing overall project delivery expectations, prioritizing tasks, and mentoring team members.
Junior SCADA/Controls Engineer Leidos Holdings IncJunior SCADA/Controls EngineerReston, VA$69,550–$125,725 / yearBachelor's degree in a STEM discipline (Electrical Engineering, Mechanical Engineering, Systems Engineering, or related field) and relevant professional experience. 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 Leidos Holdings IncSenior Mechanical EngineerReston, VA$131,300–$237,350 / yearMEP 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.
Building Engineer Complete Building ServicesBuilding EngineerChantilly, Virginia$40–$45 / hourFull timeBeyond the basics, we provide additional perks such as tuition reimbursement for education and certifications, employee discount programs (including hotels and vendor products), gym memberships, and an Employee Assistance Program offering a wide range of support services. We celebrate and empower our talented employees, a commitment reflected in our recognition by the Washington Business Journal as a “ Best Place to Work” multiple times, and our #3 ranking on the 2026 Corporate Diversity Index.
ISSE- Cyber Security Engineer StratAcuity Staffing Partners IncISSE- Cyber Security EngineerArlington, VA$70–$100 / hourIn terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Skills: A background in systems and security engineering (Linux/Windows, containers/Kubernetes, networking, identity, and cloud), experience architecting security patterns, and automating enforcement (Terraform/Ansible, Python/PowerShell/Bash).
Mechanical Engineer ParsonsMechanical EngineerCentreville, Virginia$74,800–$130,900 / yearSystems should include: HVAC systems, chillers, boilers, steam systems, cooling water systems, pumps, fans, compressors, cooling towers, plumbing systems, fire suppression systems, and other building services related systems. 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 Software Engineer / Data Scientist (Training Systems) Leidos Holdings IncSenior Software Engineer / Data Scientist (Training Systems)Chantilly, VA$154,050–$278,475 / yearBachelors degree in Computer Science, Data Science, Software Engineering, Mathematics, Engineering, or related technical field with 8+ years of relevant experience and 15+ years overall experience; additional experience may be considered in lieu of degree. Familiarity with contemporary AI coding ecosystems and developer productivity tools such as Claude Code, OpenAI Codex, Cursor, OpenCode, GitHub Copilot, or similar platforms.
Chief Engineer LB&B Associates, Inc.Chief EngineerSilver Spring, MDAs Chief Engineer, you will be entrusted with a dynamic array of responsibilities crucial to the smooth functioning of customer properties: Oversee the technical operations and maintenance of assigned buildings, ensuring all equipment and systems run optimally. Serve as the primary responder to building emergencies during and after normal working hours, including fire alarms, power outages, flooding, inclement weather, and natural disasters.
Engineer: Tier 1 (On-Site) Trace3Engineer: Tier 1 (On-Site)Ashburn, VA$80,000–$85,000 / yearQualifications & Interests: A minimum of 3 years of experience in enterprise-level network design and support, including: IEEE 802.1, WAN/LAN, optimization, load balancing, routing, switching, QOS, TCP/IP, P2P, and P2MP wireless equipment, with hands-on experience administering Cisco wireless access points and controllers. About the Role: Under the general direction of the Professional Services Operations Lead, the Engineer will provide clients with remote and on-site support services across North America (and international locations, as applicable) in a wide range of client environments.
Junior Scada/Controls Engineer Leidos Holdings Inc.Junior Scada/Controls EngineerReston, VA$69,550–$125,725 / yearBachelor's degree in a STEM discipline (Electrical Engineering, Mechanical Engineering, Systems Engineering, or related field) and relevant professional experience. 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.
Expert Software Engineer Emergent TechnologiesExpert Software EngineerReston, VirginiaPOS - 3033 Emergent Technologies Inc., a veteran-owned provider of advanced IT and engineering solutions, is seeking Experienced Software Developers to support a high-visibility government technology program. If you're a highly experienced software developer ready to make an impact with cutting-edge cloud and enterprise technologies, we invite you to apply and grow with Emergent Technologies Inc. in Herndon, VA.
Energy Engineer Boland Trane Associates Inc & Boland Trane Services IncEnergy EngineerGaithersburg, MDFull timeAuthor building performance reports, develop Energy Conservation Measures (ECM's), and work together with account teams to present reports to clients to make their buildings better. Perform data collection and analysis on multiple platforms (BAS analytics, Fault Detection Diagnostics, energy analytics, dashboards) for the purpose of improving building performance.
Information Systems Security Engineer (ISSE) Set of XInformation Systems Security Engineer (ISSE)Annapolis Junction, MDWith a shared desire to give back, grow the community, and do great work, the Set of X team is building an elite group of engineers with a strong sense of shared responsibility and ownership. Participate as the primary security engineering representative on engineering teams for the design, development, implementation, evaluation, and/or integration of secure networking, computing, and enclave environments.
Engineer: Tier 2 (On-Site) Trace3Engineer: Tier 2 (On-Site)Ashburn, VA$85,000–$95,000 / yearQualifications & Interests: A minimum of 5 years of experience in enterprise-level network design and support, including: IEEE 802.1, WAN/LAN, optimization, load balancing, routing, switching, QOS, TCP/IP, P2P, and P2MP wireless equipment, with hands-on experience administering Cisco wireless access points and controllers. About the Role: Under the general direction of the Manager, Professional Service, the Engineer will provide clients with remote and on-site support services across North America (and international locations, as applicable) in a wide range of client environments.
Senior Power Systems Engineer GraviticsSenior Power Systems EngineerWashingtonTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Interface with external vendors and suppliers, owning technical coordination, component sourcing, and qualification to ensure delivered hardware meets performance, quality, and schedule requirements.
Machine Learning Software Engineer Subtle Medical IncMachine Learning Software EngineerDCOur team consists of world leading radiologists, scientists and engineers from top universities like Stanford, Harvard, and MIT many with past experience at leading equipment manufacturers like GE, Philips and Siemens. We are committed to transforming the healthcare ecosystem by building and delivering responsible AI solutions that create a measurable impact on the radiology workflow and patient experience.
Pricing Data Engineer McDermott Will & Emery LLPPricing Data EngineerDC$110,000–$169,000 / yearJob Description: The Pricing Data Engineer builds and maintains the data infrastructure and tools that enable consistent, data-driven pricing across the firm while modernizing workflows and reducing reliance on manual processes. Develop pricing frameworks and unit economics to support AI-enabled legal work, enabling partners to price, monitor, and refine matters.
Design Engineer 3 - Annapolis Junction, MD M.C. Dean IncDesign Engineer 3 - Annapolis Junction, MDMD$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.
Design Engineer 5 - Tysons, VA M.C. Dean IncDesign Engineer 5 - Tysons, VAVASeeking 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. Education/Experience: Bachelor's Degree in a technical/engineering related discipline, such as Electrical Engineering, Mechanical Engineering, Systems Engineering, or similar with 10+ years of experience in engineering or.
Design Engineer 4 - Annapolis Junction, MD M.C. Dean IncDesign Engineer 4 - Annapolis Junction, MDMD$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.
Full Stack Software Engineer, Program Systems Saronic TechnologiesFull Stack Software Engineer, Program SystemsArlington, VirginiaThis role is responsible for designing, developing, and maintaining mission-critical internal applications that drive operational visibility, decision-making, and execution across Saronic’s growing portfolio of Autonomous Surface Vessel (ASV) programs. You will work at the intersection of software engineering and program operations, building tools that connect real-time production data, program governance, demand forecasting, and customer engagement into a unified digital thread.
Junior DevOps Engineer teKnoluxionJunior DevOps EngineerSpringfield, Virginia$104,000–$119,000 / yearFull timeBcore accelerates decisive advantage for warfighters and intelligence professionals by fusing human insight, rapid-fire engineering, precision-measured outcomes, and relentless grit into mission-ready solutions. You’ll join a growing organization of passionate, top-shelf, IT engineering professionals with extensive experience in actively developing the technology revolution in the Intelligence community.
Senior DevOps Engineer teKnoluxionSenior DevOps EngineerSpringfield, Virginia$148,000–$171,000 / yearFull timeBcore accelerates decisive advantage for warfighters and intelligence professionals by fusing human insight, rapid-fire engineering, precision-measured outcomes, and relentless grit into mission-ready solutions. Responsibilities: What you get to do every day: In this role, you'll join our Common Operations Release Environment (CORE) team, providing high-quality, cost-effective cloud solutions to our clients.
Structural Engineer Keller Group PlcStructural EngineerVASuccessful candidates will work with the design and construction of post tensioned system in concrete structures such as high rise condominiums, apartment buildings, office buildings, parking garages. Suncoast is a specialty concrete contractor ranked in the top 100 in the ENR 600 specialty contractors and the largest supplier of post tensioned material for commercial buildings in the country.
Office Engineer GFT Infrastructure IncOffice EngineerVA$60,000–$85,000 / yearIn this capacity, the successful candidate will be responsible for the following: Establish and maintain job record files in accordance with client's requirements and/or best practice. We measure our success by the strength of our relationships - that's why we're the employer of choice for 5,000+ of the industry's brightest engineers, planners, architects, inspectors, designers, and more.
Senior Lead Software Engineer, Full Stack (Bank Tech) Capital One Financial CorpSenior Lead Software Engineer, Full Stack (Bank Tech)McLean, VA$229,900–$262,400 / yearAs a Senior Lead Software Engineer in Solutions Engineering, you will be an Engineering Lead within Bank Tech's internal professional services organization - a team that deploys cross-domain expertise to accelerate Bank Tech's most critical initiatives. Experience with one or more of the following: distributed microservices, serverless architectures (Fargate, Lambda), event-driven systems, observability platforms, automated testing frameworks, cloud migration.
Distinguished Engineer - Autonomous Deployments Capital One Financial CorpDistinguished Engineer - Autonomous DeploymentsVA$244,700–$279,200 / yearAbout the Team: As a Distinguished Engineer in Capital One's Developer Platforms organization, you will lead the technical vision for transforming the software delivery value chain and life cycle, with a specific focus on the enterprise Continuous Deployment (CD) charter - leveraging state of the art technology to accelerate time to market of high quality software. Architectural Vision & Strategy: Steward the technical strategy for the software delivery ecosystem (serving thousands of developers) focusing on continuous deployment and defining the technical vision for a modern, frictionless software delivery value chain.
Project Engineer - Commercial Construction Atlantic Constructors IncProject Engineer - Commercial ConstructionSterling, VASummary/Objective: Our Project Engineer - MEP will work with the Project Managers (PMs) and Project Manager Assistants (PMAs) to provide leadership for two or more Commercial Construction projects. Required: Bachelors degree in engineering field, and 2+ years of experience in a commercial construction environment; and/or equivalent combination of education and experience.
Senior Machine Learning Engineer Active Secret Clearance Striveworks IncSenior Machine Learning Engineer Active Secret ClearanceVA$185,000–$230,000 / yearStriveworks helps organizations harness the power of artificial intelligence to solve real-world national security and business challenges by serving as the command center between data, models, and business outcomes. Your day-to-day will include: Working with customers, engineers, and other stakeholders to define clear requirements that solve customers' problems and leverage the capabilities of our AIOps platform.
Lead Data Engineer - Risk Tech (Python, AWS) Capital One Financial CorpLead Data Engineer - Risk Tech (Python, AWS)McLean, VA$197,300–$225,100 / yearOur mission is divided into two primary functional pillars: Risk Management Tech (RMT), which develops the frameworks and tools for monitoring risks, testing controls, and managing regulatory requirements; and AML and Compliance Tech (ACT), which ensures our products are delivered ethically and in strict compliance with BSA/AML regulations and global laws. Share your passion for staying on top of tech trends, experimenting with and learning new technologies, participating in internal & external technology communities, and mentoring other members of the engineering community.
Infrastructure Engineer - DHA Social Security AdministrationInfrastructure Engineer - DHAWoodlawn, MD$121,785–$158,322 / yearCustomer Service - Works with clients and customers (that is, any individuals who use or receive the services or products that your work unit produces, including the general public, individuals who work in the agency, other agencies, or organizations outside the Government) to assess their needs, provide information or assistance, resolve their problems, or satisfy their expectations; know about available products and services; and is committed to providing quality products and services. Oral Communication - Expresses information (for example, ideas or facts) to individuals or groups effectively, taking into account the audience and nature of the information (for example, technical, sensitive, controversial); makes clear and convincing oral presentations; listens to others, attends to nonverbal cues, and responds appropriately.
Lead Software Engineer, Full Stack (Risk Tech) Capital One Financial CorpLead Software Engineer, Full Stack (Risk Tech)McLean, VA$197,300–$225,100 / yearOur mission is divided into two primary functional pillars: Risk Management Tech (RMT), which develops the frameworks and tools for monitoring risks, testing controls, and managing regulatory requirements; and AML and Compliance Tech (ACT), which ensures our products are delivered ethically and in strict compliance with BSA/AML regulations and global laws. Utilize programming languages like JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, and Go, Open Source RDBMS and NoSQL databases, Container Orchestration services including Docker and Kubernetes, and a variety of AWS tools and services.
Lead Site Reliability Engineer Bridge DefenseLead Site Reliability EngineerWashingtonThis is a hands-on engineering leadership role that bridges physical infrastructure and modern DevOps automation, ideal for someone who thrives at the intersection of hardware systems, distributed computing, and AI/ML workflows. As the Lead Site Reliability Engineer for our ComputeBridge Engagement, you’ll be responsible for the reliability, scalability, and performance of one of the largest hardware and AI infrastructure efforts in the U.S. defense sector.
CNO Software Engineer Tiber TechnologiesCNO Software EngineerAnnapolis Junction, MarylandDemonstrated experience supporting and participating in Red Team, Blue Team, and/or Hunt Team operations such as: Working knowledge of the MITRE ATT&CK framework and usage of TTPs. This role is ideal for engineers who combine strong low-level programming skills with hands-on cyber operations experience in red, blue, or hunt team environments.