8 jobs found in Fairfax

Senior Electrical Project Engineer/Manager Hazen & Sawyer is seeking a Senior Electrical Project Engineer/Manager for our Fairfax, VA office. Candidate will provide electrical engineering and design for water and wastewater facility projects, serving as lead electrical engineer. Candidate will support projects both local and regional to the office, as well as supporting projects in other areas as requested by the firm. Successful candidate may be offered the opportunity to become the electrical leader for Hazen offices in the DC, Maryland, Northern Virginia area. Why Hazen and Sawyer: Founded in 1951 by the son of Allen Hazen (developer of the Hazen-Williams equation), we are an employee-owned company with a singular focus on "all things water." Our work includes planning, design, and oversight of construction of environmental infrastructure - for water, wastewater, and stormwater management. We foster a work environment low on bureaucracy and high in creativity....

Hazen and Sawyer is seeking a Senior Principal Engineer for our Fairfax, VA office. Key Responsibilities: Delivering public sector water and wastewater facilities planning and design projects Support projects as a critical part of the design team, a design lead, a task manager, and/or a project manager Prepare facility assessment and design reports, perform design calculations, perform process and/or hydraulic modeling, select and size equipment, prepare design documents and construction documents, support construction phase services both in office and in the field Field work and site visits from planning through construction may require occasional travel Support and mentor junior engineers and will be supported by multiple senior mentors on projects and local and regional office leadership Required Qualifications: Bachelor of Science degree in Civil, Environmental, Chemical, or Mechanical Engineering Strong verbal and written communication skills PE license...

RK&K is currently hiring an Engineer to join our growing Water Resources team in Fairfax, VA. This is an excellent opportunity for you to take the next step in your career. On our Water Resources team, you will support multiple DOT and Municipal projects, working alongside a multidisciplinary team of experienced professionals throughout our entire company. Types of water resources projects include, but are not limited to: Riverine system hydraulics & hydrology Floodplain analysis, mapping, and flood mitigation Watershed planning and studies Closed storm system analysis and open channel designs Stormwater management facility design Erosion and sediment control Green infrastructure design Essential Functions Deliver world class solutions to our existing portfolio of public/private sector water resources customers Proactively deliver a wide range of water resource projects in accordance with the scope, schedule, and budget set by the Project Manager...

At RK&K, we are currently hiring a Licensed Project Engineer to join our Water Resources Division in Fairfax, VA. As a Water Resources Engineer at RK&K you will support company-wide efforts in stormwater management and drainage design for transportation related projects. You will be responsible for the planning, designing, and implementation of effective drainage systems to ensure efficient conveyance and management of stormwater. Your expertise in hydraulic modeling and the use of industry standard software will be essential to your role. Essential Functions Develop and deliver industry leading stormwater management strategies for transportation projects, ensuring compliance with applicable regulations and guidelines Conduct drainage design activities, including the analysis of existing drainage systems, designing new drainage systems and ditches, and creating appropriate plans Design erosion and sediment control measures as necessary for the proposed improvements...

Overview Founded in 1996, Logos Technologies LLC (Logos) is a diversified science, engineering and technology company, with headquarters in Northern Virginia. Logos specializes in the fields of advanced sensors, wide-area motion imagery, advanced analytics and processing of large, multisource datasets. We serve multiple government and commercial customers worldwide with wide-area persistent surveillance solutions that are critical to the success of their missions in national defense, public safety and border security, and humanitarian assistance. Job Summary Logos Technologies is seeking a full-time Mechanical Engineer to support ongoing technology development efforts at our Fairfax, VA office. This role will contribute to ISR sensor design, high-powered laser systems, and unmanned aerial vehicle integration. In this role you will: provide knowledge and understanding of mechanical engineering concepts and procedures; apply mechanical engineering principles and concepts; and...

Overview Logos Technologies is seeking a full-time Electrical Engineer to support ongoing technology development efforts at our Fairfax, VA office. This role will contribute to ISR sensor design, high-powered laser systems, and unmanned aerial vehicle integration. This role will include research, design, development and testing of electronic subsystems and systems for development efforts. Responsibilities Support the development and design of system from initial concept through prototype and low-rate production Research, design, develop, and test electrical components, both individually and as part of larger systems Coordinate and manage subcontractors responsible for component and subassembly manufacturing Collaborate closely with multidisciplinary engineering teams Assist in developing and maintaining project deliverables, including detailed plans, schedules, resource allocations, risk assessments, issue tracking, and status reports for both customers and internal...

Salary : $88,765.46 - $155,339.60 Annually Location : FX. CTY. GOVERNMENT CENTER, 12000 GOVERNMENT CENTER PKWY., FAIRFAX (EJ32), VA Job Type: FT Salary W BN Job Number: 26-01132 Department: Facilities Management Opening Date: 08/01/2026 Closing Date: 9/11/2026 11:59 PM Eastern Pay Grade: S29 Posting Type: Open to General Public Job Announcement $5,000 Signing Bonus *This position includes a signing bonus for new merit county employees. This position serves as a technical expert overseeing a wide range of architectural design and space management activities. Leads and guides design professionals in planning, designing, and delivering interior retrofit projects for commercial buildings, including producing and stamping architectural drawings. Also supervises a team of 2 or more employees. This position works under the principal architect of the department. Provides professional support across more than 230 county-owned and designated leased facilities...

Overview Posillico is Building for Generations. Posillico is a multi-disciplined and diversified construction company. Along with our Civil /foundation group, Posillico's business units include Wastewater Division, Environmental Division, Utilities Division, Drilling Division, Paving Division, Posillico Consulting LLC, Posillico Developmental LLC, and Posillico Materials, LLC. These companies give Posillico the unequalled, leveraged experience required to complete complex structural and geotechnical projects successfully. Posillico empowers a "people first, think safety" culture throughout our organization. This "people first" culture has helped to promote and maintain an excellent record of accomplishment. Posillico has an exceptional safety program coupled with proactive employees throughout its management and union staff. We offer all employees an excellent opportunity to be part of our developing business at Posillico, as we set the standards for excellence in the...