Senior Water/Wastewater Process Engineer

Senior Water/Wastewater Process Engineer Merrick & Company paid time off, 401(k) United States, Idaho, Lewiston 504 Main Street (Show on map) May 06, 2026 OVERVIEW Are you ready to lead transformative water infrastructure projects that serve communities and protect vital resources? Merrick is seeking a Senior Water/Wastewater ProcessEngineerto join our growing Water Group. This is your opportunity to work on innovative water, wastewater, and reuse systems that make a real difference. Typical salary range for this position is $132,000.00 - $169,000.00. Base pay offered may vary depending on office location and job-related knowledge, skills, and experience. Why Join Us? Work on cutting-edge water resource projectsthat shape the future of infrastructure. Collaborate with a passionate team dedicated to community, sustainability, and recreation. Enjoy professional growthin 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 Are you ready to make a difference? Join us and lead the charge in creating sustainable, impactful water solutions for our communities!

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 verbalcommunications 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.

Certifications:

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, WaterCAD, Fathom, other). Wastewater biological modeling (Biowin, GPSx, Sumo, other). Industrial water and wastewater treatment. Design Team and Project management. 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. #LI-Hybrid #LI-Remote