Senior Project Engineer - Water/Wastewater
GPAC
Rantoul, IL · $89k–$142k a year · Posted November 3, 2026
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Engineering jobs in the rankings
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
Pay compared with the market
This listing pays about $115,532 a year. Across 68 open senior project engineer listings that state pay, the middle half runs $115,000 to $152,500 and the median is $126,000. That is inside the middle half of those listings, 8% below the median.
Listed pay is what employers advertise, not what people are paid.
Senior Project Engineer salaries by state · Check your own pay
How AI is used in this kind of work
AI use among civil engineers is little observed so far. Measured exposure for civil engineers: 1% (little observed).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
About the job
Our client, an established, 100% employee-owned multidisciplinary engineering firm serving communities across the Midwest, is seeking a Senior Project Engineer - Water/Wastewater for its Central Illin