Fairfax County, VA Engineer Pay
Based on 16 postings, Jan 2026–Sep 2026
Fairfax County, VA posted Engineer pay of $88,765–$155,340/yr in September 2026. Across 16 postings (Jan 2026–Sep 2026) the posted ranges ran $79,193–$174,185/yr.
$88,765–$155,340/yr
No Engineer openings at Fairfax County, VA right now. Past postings and their pay are below.
Pay changes for the same job
| Posting | Posted ranges over time |
|---|---|
| Engineer III | Jan 2026 $79,193–$131,987/yr → Jul 2026 $80,777–$141,360/yr |
| Engineer IV | Jan 2026 $87,025–$145,042/yr → Aug 2026 $88,765–$155,340/yr |
| Engineer V | Jan 2026 $97,582–$162,638/yr → Jul 2026 $99,534–$174,185/yr |
Posted pay ranges
Each distinct range Fairfax County posted for Engineer roles, oldest first. Ranges differ by level, department and assignment.
Pay by level
Postings this is based on
Pay as published in the employer's own job postings. Past postings are shown for pay only; they are closed.
| Posted | Posting | Range |
|---|---|---|
| Sep 5, 2026 | Engineer IV | $88,765–$155,340/yr |
| Aug 1, 2026 | Engineer IV | $88,765–$155,340/yr |
| Jul 27, 2026 | Engineer III | $80,777–$141,360/yr |
| Jul 21, 2026 | Engineer V | $99,534–$174,185/yr |
| Jun 14, 2026 | Engineer V | $97,582–$162,638/yr |
| May 30, 2026 | Engineer IV | $87,025–$145,042/yr |
| May 9, 2026 | Engineer III | $79,193–$131,987/yr |
| Apr 11, 2026 | Principal Engineer (Project Coordinator) | $97,582–$162,638/yr |
| Apr 4, 2026 | Engineer V | $97,582–$162,638/yr |
| Mar 29, 2026 | Engineer III | $79,193–$131,987/yr |
Fairfax County, VA Engineer Pay: FAQ
How much does Fairfax County, VA pay a Engineer?
Fairfax County, VA's most recent Engineer posting (September 2026) listed $88,765–$155,340/yr.
What is the Engineer pay range at Fairfax County, VA?
Across 16 Engineer postings from Jan 2026–Sep 2026, posted pay ran $79,193–$174,185/yr.
Has Fairfax County, VA Engineer pay changed?
Yes. Engineer III: Jan 2026 $79,193–$131,987/yr → Jul 2026 $80,777–$141,360/yr.
What does each Engineer level pay?
III: $80,777–$141,360/yr (Jul 2026); IV: $88,765–$155,340/yr (Sep 2026); Principal: $97,582–$162,638/yr (Apr 2026); V: $99,534–$174,185/yr (Jul 2026).