Senior Water/Wastewater Process Engineer

Merrick & Company; Denver (CO); On-site; USD 132,000 - 169,000; Full time

Benefits offered by this job

Employee Stock Ownership Account

Robust Employee Referral Program

Annual performance and compensation reviews

Professional Training and Development

Employee Recognition Awards

Peer Mentor Program

Job summary

Merrick & Company seeks a Senior Water/Wastewater Process Engineer in Denver, Colorado, to lead the design of transformative water infrastructure projects. The role involves overseeing construction, stakeholder engagement, and ensuring compliance with engineering standards. Candidates should possess a Bachelor’s degree in relevant engineering fields and have at least 12 years of relevant experience in the industry. Exceptional communication skills and a P.E. license are essential. The typical salary range for this role is $132,000 - $169,000.

Qualifications

• Minimum twelve (12) years of experience in water/wastewater facility design.
• Valid driver’s license and good driving record required.
• P.E. license or ability to obtain within 6 months of employment.

Responsibilities

• Design water and wastewater treatment facilities with advanced treatment.
• Prepare and review design drawings and specifications.
• Provide construction support and oversight.

Skills

Design and construction oversight

Hydraulic modeling

Wastewater biological modeling

Project management

Effective communication

Education

Bachelor’s degree in Engineering

Master’s degree in Engineering

Tools

PIPE-FLO

WaterCAD

Biowin

Job description

Senior Water/Wastewater Process Engineer

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.

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 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; review 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.
• 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!

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.