×
Register Here to Apply for Jobs or Post Jobs. X

Senior Water​/Wastewater Process Engineer

Job in Lewiston, Nez Perce County, Idaho, 83501, USA
Listing for: Merrick & Company
Full Time position
Listed on 2026-05-18
Job specializations:
  • Engineering
    Environmental Engineer, Water Engineer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below

Overview

Are you ready to lead transformative water infrastructure projects that serve communities and protect vital resources? Merrick is seeking a Senior Water/Wastewater Process Engineer to join our growing Water Group. This is your opportunity to work on innovative water, wastewater, and reuse systems that make a real difference.

Why Join Us?
  • Work on cutting‑edge water resource projects that shape the future of infrastructure.
  • Collaborate with a passionate team dedicated to community, sustainability, and recreation.
  • Enjoy professional growth in a mid‑sized, employee‑owned firm that values technical excellence and work‑life balance.
  • Be part of a network of 120+ water professionals committed to engineering excellence and stewardship.
What You’ll Do
  • Design water and wastewater treatment facilities, including advanced treatment/nutrient removal and reuse, distribution and conveyance, and related infrastructure balance of plant.
  • Prepare and review design drawings, details, layouts, specifications, cost estimates, studies, reports and work products to include review of designs by others for standard conformance.
  • Provide construction support and oversight including administration, limited inspection, start‑up, commissioning, operations, and maintenance. Some travel may be required.
  • Interface with project team including stakeholders, clients, equipment suppliers/vendors, and Local, State, and Federal government agencies.
  • Provide clear written and verbal communications for internal/external project meetings, project presentations, and all deliverables.
Required Qualifications
  • Bachelor’s degree in Civil, Chemical, Mechanical, or Environmental Engineering from an A.B.E.T. Accredited School.
  • Minimum twelve (12) years of experience in design, construction oversight, and operation of water and/or wastewater infrastructure facilities and projects.
  • Must have a valid driver’s license, a good driving record, and be insurable under Merrick’s insurance carrier.
  • Must be eligible to work in the United States without sponsorship.
  • P.E. (Professional Engineer) License or the ability to obtain within 6 months of employment.
Desired Qualifications
  • Master’s degree in Civil, Chemical, Mechanical or Environmental Engineering from an A.B.E.T. Accredited School.
  • Experience with hydraulic modeling (PIPE-FLO, Water

    CAD, Fathom, other).
  • Experience with wastewater biological modeling (Biowin, GPSx, Sumo, other).
  • Experience with industrial water and wastewater treatment.
  • Experience with Design Team and Project management.
  • Experience with alternative delivery methods.
PERKS
  • Employee Owned— all eligible U.S. employees have an Employee Stock Ownership Account.
  • Robust Employee Referral Program.
  • Annual performance and compensation reviews.
  • Professional Training and Development.
  • Employee Recognition Awards.
  • Peer Mentor Program.
  • And Much More!
Additional Information
  • Apply online only. No e‑mail, hard copy or third‑party resumes accepted.
  • At Merrick, every resume is carefully reviewed by our team of experienced human recruiters—never by AI. We are committed to a fully human‑centered hiring process, ensuring each candidate receives thoughtful, personalized attention at every stage.
  • Merrick & Company offers a competitive compensation and benefits package which includes health insurance, dental and vision coverage, 401(k), and paid time off (PTO).
  • Merrick is an Equal Opportunity Employer, including disability/vets.
  • Employment with Merrick is contingent upon completion of a pre‑employment background check, MVR check, and drug screen.
#J-18808-Ljbffr
Position Requirements
10+ Years work experience
To View & Apply for jobs on this site that accept applications from your location or country, tap the button below to make a Search.
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)
0
200
Filters
Education Level
Experience Level (years)
Posted in last:
Salary