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2 senior process project engineer jobs found in Fairfax, VA

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Fairfax senior process project engineer Virginia
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PC
Mar 22, 2026
Full time
Heavy Civil Project Engineer/ Sr. Project Engineer - Wastewater
Posillico Civil, Inc. Fairfax, VA
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...
WR
Sep 17, 2026
Full time
Water/Wastewater Engineer
$90,000 - $185,000 yearly
Whitman, Requardt & Associates, LLP 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 design the infrastructure and buildings that improve the world! We are seeking an experienced Water/wastewater engineer with progressive experience in water and wastewater system planning, hydraulic modeling, design and construction management, of water and wastewater facilities, pipelines, water storage tanks, pumping stations, force mains, and the evaluation, design and rehabilitation of sanitary sewer systems. Responsibilities: The successful candidate is expected to be able to independently work on technical tasks with minimum supervision, lead and coordinate technical tasks and, when appropriate, serve as the project design lead. The successful candidate will also support the preparation of technical proposals in particular...
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