12 jobs found in Fairfax, VA

At Whitman, Requardt & Associates, LLP, we are "People Focused and Project Driven". We have been in business for more than 110 years and we are known for our quality work and quality employees. This is your chance to join our team - help us to understand today's needs and develop plans to improve the movement of people and goods! The Water/Wastewater Process Mechanical Engineer will be responsible for the evaluation, planning, design, and construction administration of municipal water and wastewater treatment facilities & processes, distribution and collection systems, chemical storage & feed systems, and process mechanical, piping and pumping systems. The ideal candidate will bring strong technical expertise, a collaborative mindset, and a commitment to delivering high-quality engineering solutions. Responsibilities Assist in the planning, design, and analysis of water and wastewater treatment facility infrastructure and associated process mechanical systems...

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...

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...

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 draw solutions...

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 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 and Tasks Support the...

Salary : $80,776.80 - $141,359.50 Annually Location : FX. CTY. GOVERNMENT CENTER, 12000 GOVERNMENT CENTER PKWY., FAIRFAX (EJ32), VA Job Type: FT Salary W BN Job Number: 26-01094 Department: DPWES Capital Facilities Opening Date: 07/25/2026 Closing Date: 8/14/2026 11:59 PM Eastern Pay Grade: S27 Posting Type: Open to General Public Job Announcement Are you passionate about making a meaningful impact while building a more resilient, sustainable community? Put your expertise on the front line of environmental defense. Join an elite group of high-performing project managers implementing vital wastewater capital projects that secure our future. The Wastewater Design and Construction Division (WDCD) is seeking engineers with project management experience in design and/or construction administration to manage a variety of wastewater capital improvement projects in the Collection Branch. WDCD provides planning, design, and construction management for Capital...

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...

Description GPI seeks a Project Manager - Senior Electrical Engineer to join our Fairfax, VA office. As a Senior Engineer, you will represent GPI in all interactions with clients and project teams. You will supervise, coordinate, and assign various projects to be performed by the team. Do you value a company that puts employee satisfaction and diversity at the forefront of who they are? If so, GPI wants you! GPI is a multi-discipline engineering firm that has been providing planning, design, and construction services for transportation infrastructure and building system projects throughout the United States for over 50 years. Ranked in the Top 100 Firms by Engineering News Record, GPI is a forward-thinking, innovative firm with a culture that is committed to excellence and fosters staff empowerment. For more information, visit: www.gpinet.com Responsibilities: Establish design standards, specifications, and criteria for projects Design building electrical...

Salary : $87,024.91 - $145,041.94 Annually Location : FAIRFAX (EJ32), VA Job Type: FT Salary W BN Job Number: 26-00546 Department: DPWES Capital Facilities Opening Date: 04/18/2026 Closing Date: 5/15/2026 11:59 PM Eastern Pay Grade: S29 Posting Type: Open to General Public Job Announcement $5,000 Signing Bonus* Seeking the next exciting challenge in your career? Join the award-winning organization of the Building Design and Construction Division (BDCD), Building Construction Branch, in Capital Facilities Fairfax County Government & be a part of this professional organization managing the construction of County government facilities. The Fairfax County Department of Public Works and Environmental Services (DPWES), Capital Facilities (CAP), Building Design and Construction Division (BDCD), Building Construction Branch (BCB), seeks an architect, civil engineer, structural engineer, mechanical engineer or electrical engineer to serve as construction...

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...