Water/Wastewater Process Engineer III

Merrick & Company; Lewiston (ID); Hybrid; USD 110,000 - 140,000; Full time

Benefits offered by this job

Employee Ownership

Benefits package

Referral program

Performance reviews

Professional development

Employee recognition

Peer mentorship

Job summary

Merrick & Company seeks a Water/Wastewater Process Engineer to lead design on water projects and reuse systems in Colorado, Idaho, or Texas. The role supports the Water Group with a hybrid schedule; travel to client sites is possible.

Qualified candidates have 8+ years in design, construction oversight, and operation of water/wastewater facilities, and a PE license or ability to obtain within 6 months. Local/regional candidates preferred; remote options considered with travel.

Qualifications

• Bachelor's degree in Civil, Chemical, Mechanical, or Environmental Engineering from an ABET-accredited school.
• Minimum eight (8) years of design, construction oversight, and operation experience in water/wastewater facilities.
• Must be eligible to work in the United States without sponsorship.
• P.E. license or ability to obtain within 6 months of employment.

Responsibilities

• Design water and wastewater treatment facilities, including advanced treatment, nutrient removal, reuse, distribution and conveyance, and related balance of plant.
• Prepare and review drawings, layouts, specifications, cost estimates, studies, and reports; review designs for conformance.
• Provide construction support and oversight, including startup, commissioning, operations, and maintenance; some travel.
• Interface with project team, stakeholders, clients, suppliers, and government agencies.
• Provide clear written and verbal communications for meetings, presentations, and deliverables.

Skills

P.E. License

Design engineering

Construction oversight

Stakeholder communication

Education

Bachelor's degree (ABET-accredited)

Master's degree

Tools

PIPE-FLO

WaterCAD

Fathom

Biowin

GPSx

Sumo

Job description

OVERVIEW

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

Local/regional candidates preferred (hybrid schedule). Remote candidates will be considered if they are willing to travel to client sites and local offices 2x per month.

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 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 eight (8) years of experience in design, construction oversight, and operation of water and/or wastewater infrastructure facilities and projects.
• 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, WaterCAD, Fathom, other).
  • Wastewater biological modeling (Biowin, GPSx, Sumo, other).
  • Industrial water and wastewater treatment.
  • Design Team and Project management.
  • Alternative delivery methods.

TOTAL REWARDS & EMPLOYEE PROGRAMS

• Employee Ownership - All eligible U.S. employees participate in our Employee Stock Ownership Plan (ESOP), sharing in the company's success.
• Comprehensive Compensation & Benefits - Merrick & Company offers a competitive compensation and benefits package including health insurance, dental and vision coverage, and paid time off (PTO).
• Robust Referral Program - Earn incentives for referring top talent to join our team.
• Performance Reviews - Annual reviews to recognize contributions and support career growth.
• Professional Development - Access to ongoing training and development opportunities to build your skills and advance your career.
• Employee Recognition - Formal programs to celebrate achievements and outstanding performance.
• Peer Mentor Program - Get support and guidance through structured mentorship opportunities.
• And More - Additional programs and benefits designed to support your success and well-being.

ADDITIONAL INFORMATION

• 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 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