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Engineering jobs in Fairfax, United States
26 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.
Engineering jobs in Fairfax at a glance
- Open roles
- 26
- Remote
- 31%
- Posted in the last 30 days
- 4
- Advertised pay, middle half
- $120K – $192Kmedian $154K
From the 16 engineering jobs here that state yearly pay in USD: the top of each advertised range. Updated nightly.
Hiring most here
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1–20 of 26 jobs
George Mason University · Fairfax, Virginia, United States +1
On-siteFull-timeEngineeringThe C5I Center at George Mason University conducts advanced research in systems engineering, digital engineering, model-based systems engineering (MBSE), digital twins, and autonomous systems to support innovation, validation, and lifecycle management of complex engineered…
Mobile Dog Groomer
8 days agoBarkbus · Fairfax, Virginia, United States
On-siteFull-timeEntry level$25.00 – $32.00 an hourEngineeringJoin Barkbus as a Pet Stylist, where your passion and skills for grooming dogs translate into a stress-free, luxury experience for every pup. We support our groomers with a positive, groomer-first culture, giving you the freedom and support you need to excel.
Instrument Systems Engineer
2 weeks agoGeorge Mason University · Fairfax, Virginia, United States +1
HybridFull-timeEngineeringGeorge Mason University, a Carnegie Research I institution, is Virginia’s largest and most diverse university with more than 38,000 students. Located in Fairfax, Virginia, Mason is part of the Washington DC metropolitan area offering easy access to the scientific and political…
Clean Air Act Engineer
3 weeks agoERG · Fairfax, Virginia, United States +3
RemoteFull-time$90K – $120K a yearEngineeringPerform, review, and evaluate air dispersion modeling analyses using tools such as AERSCREEN, AERMOD, including:; Performing modeling applicability determinations consistent with federal, state, and local guidance; Identifying representative meteorological data; Establishing…
George Mason University · Fairfax, Virginia, United States +1
HybridFull-timeLead / staffEngineeringGeorge Mason University (GMU), a Carnegie Research I institution, is Virginia’s largest and most diverse university with more than 38,000 students. Located in Fairfax, Virginia, Mason is part of the Washington DC metropolitan area offering easy access to the scientific and…
George Mason University · Fairfax, Virginia, United States +1
HybridFull-timeLead / staffEngineeringGeorge Mason University (GMU), a Carnegie Research I institution, is Virginia’s largest and most diverse university with more than 38,000 students. Located in Fairfax, Virginia, Mason is part of the Washington DC metropolitan area offering easy access to the scientific and…
George Mason University · Fairfax, Virginia, United States +1
On-siteFull-timeLead / staffEngineeringInformation Technology Services (ITS) provides technology and collaborative solutions that contribute to and facilitate innovative teaching and learning opportunities for students and faculty of the George Mason University community. ITS works transparently to drive excellence…
Site/Civil Stormwater Engineer
5 weeks agoWoolpert · Fairfax, Virginia, United States
Senior$87.1K – $130.7K a yearEngineeringWoolpert is hiring a Sr. Stormwater Site/Civil Engineer to join our dynamic Water Team in Virginia. This position is primarily responsible for assisting with technical delivery on projects as well as reporting for specific project phase(s) and/or task(s). This position is key…
Municipal Senior Water/Wastewater Engineer
6 weeks agoERG · Fairfax, Virginia, United States +3
RemoteFull-timeSenior$150K – $185K a yearEngineeringSupervise and manage staff providing technical assistance to small, underserved water and wastewater utilities nationwide Support these utilities in securing funding and in designing, constructing, and maintaining sustainable, resilient water infrastructure that delivers safe,…
ERG · Fairfax, Virginia, United States +3
HybridFull-timeEntry level$60K – $80K a yearEngineeringProvide technical and project support across ERG’s water-related projects; Assist with research, data collection, and analysis related to water resources, water quality, wastewater management, and water and wastewater treatment; Prepare technical reports, documentation, and…
Senior ColdFusion Developer
8 weeks agoERG · Fairfax, Virginia, United States +3
RemoteFull-timeSenior$140K – $180K a yearEngineeringDesign, develop, and enhance ColdFusion-based applications; Write and optimize SQL scripts, queries, stored procedures, and functions for Oracle databases; Design and implement Server database objects including tables, views, indexes, and triggers; Conduct application testing…
George Mason University · Fairfax, Virginia, United States +1
HybridFull-timeEngineeringThe C5I Center at Mason is the nation’s first and only civilian university-based center offering a comprehensive academic and research program in Military/National Security applications of information technology and cyber security. The Center’s mission is to perform advanced…
Mid-Level NPDES Permit Writer
2 months agoERG · Fairfax, Virginia, United States +3
RemoteFull-timeMid level$60K – $90K a yearEngineeringDevelop, review, and revise individual and general NPDES permits, fact sheets or statements of basis, public notices, response to comments documents, and supporting administrative records; Review permit applications, discharge monitoring reports, facility records, engineering…
Network & Cloud Engineer
3 months agoGeorge Mason University · Fairfax, Virginia, United States +1
HybridPart-timeEngineeringThe Partnership Intermediary Agreement (PIA) supports George Mason University’s work with the Air Force research and innovation enterprise, including AFOSR, Space Systems Command, NRO-aligned activities, and AFCENT. The PIA connects government mission partners with Mason…
Full Stack Software Engineer
3 months agoReinventing Geospatial, Inc. (RGi) · St. Louis, Missouri, United States +1
On-siteFull-timeMid levelEngineeringReinventing Geospatial (RGi) is a leading expert in geospatial solutions for Defense, Intelligence, and Federal clients. We enhance situational awareness for soldiers and analysts by integrating software development with geospatial intelligence. Our projects range from data…
Salesforce Marketing Cloud Specialist
5 months agoGeorge Mason University · Fairfax, Virginia, United States +1
HybridFull-timeEngineeringIn collaboration with the George Mason University community, and as part of the Office of the Provost, the Division for Enrollment Management optimizes student recruitment and retention by developing and implementing strategic enrollment plans, overseeing the admissions…
Mid-Level Water and Wastewater Engineer
5 months agoERG · Fairfax, Virginia, United States +3
RemoteFull-timeMid level$85K – $120K a yearEngineeringProviding technical assistance to small, underserved water and wastewater utilities across the country to access funding and design, build, and maintain sustainable, resilient water infrastructure systems and provide clean water to their communities; Assessing and promoting…
Sr. Water Resources Engineer - Water Business
6 months agoWoolpert · Fairfax, Virginia, United States +2
Senior$75.4K – $113.2K a yearEngineeringWoolpert is hiring a Sr. Water Resources Engineer to join our dynamic Water Team in Virginia. This position is primarily responsible for assisting with technical delivery on projects as well as the budgeting, planning, scheduling, monitoring, and reporting for specific project…
Senior Scientist/Engineer
6 months agoERG · Fairfax, Virginia, United States +3
RemotePart-timeSenior$65.00 – $180.00 an hourEngineeringThis position involves providing research support on research projects for the U.S. EPA, states, and nonprofit organizations; This will require reviews of Superfund site documents, mathematical modeling, and report writing and editing. In addition, the position involves…
Senior Cloud Platform Engineer
6 months agoSynergy ECP · Fairfax, Virginia, United States
On-siteFull-timeSeniorFrom $180K a yearEngineeringProvide IT technical services and technical expertise in systems, technical infrastructure, tools, modeling, external interfaces, and other technical areas; Complete complex development, design, implementation, architecture design specification, and maintenance activities;…
Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.