Senior Water/Wastewater Engineer

Are you ready to lead transformative water infrastructure projects that serve communities and protect vital resources? Merrick is seeking a Senior Engineer to join our growing Water Group in Colorado and Texas. 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.

• Perform assignments in the analysis and design of water and wastewater treatment facilities, including advanced treatment/nutrient removal processes using BioWin process modeling software. Experienced also with water and sewer pipelines, pump stations and related infrastructure. 
• Prepare and review working drawings, details, layouts, cost estimates, studies, reports and work products. 
• Position also involves providing construction support and oversight including administration, limited inspection, and start-up/operations support for treatment plants. Provide document review of designs by others for conformance of design standards and support to municipal water utility operations and maintenance teams.  
• Must be capable of performing independent design tasks, reviewing the designs of others, preparing bid documents including drawings and specifications, and organizing all drawings, reports, calculations, and associated project deliverables, after receiving initial instructions from project manager, while receiving limited supervision.  
• Must be capable of directing and managing a team of design engineers and/or technicians on water and wastewater projects. 
• Must become knowledgeable of Merrick procedures, understand them and be able to apply them when required. 
• Candidate must be capable of making sound engineering decisions, exercise initiative, judgment and knowledge commensurate with the responsibilities of the position. 
• The successful candidate must possess good interpersonal skills to effectively interface with clients and Local, State, and Federal government agencies and be capable to lead project progress meetings, make project presentations, and provide clear written communications.
• Additional duties may involve project management for projects.
• Some travel may be required. 

• Bachelor’s degree in Civil, Chemical or Environmental Engineering from an A.B.E.T. Accredited School. 
• Minimum twelve (12) years of experience in the design and construction oversight of water and/or wastewater infrastructure facilities and projects.
• Experience working on Wastewater 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) State of Colorado and or Texas.

• Master’s degree with a focus on treatment processes
• Experience with:
  • Water/sewer modeling
  • BioWin modeling
  • Advanced treatment/nutrient removal
  • GIS systems
• Public works experience with local, state, or federal agencies
• Local candidates preferred (relocation available for the right fit)

• 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.

• 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 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