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Water​/Wastewater Treatment Engineer

Remote / Online - Candidates ideally in
San Antonio, Bexar County, Texas, 78208, USA
Listing for: Dormont Manufacturing Co
Full Time, Remote/Work from Home position
Listed on 2026-07-03
Job specializations:
  • Engineering
    Environmental Engineer, Water Management
  • Management
    Water Management
Salary/Wage Range or Industry Benchmark: 90000 - 120000 USD Yearly USD 90000.00 120000.00 YEAR
Job Description & How to Apply Below

Freese and Nichols is currently searching for a Water and Wastewater Treatment Engineer to serve as a Project Manager or Senior Project Manager in our San Antonio, Corpus Christi, or Harlingen, TX offices. As a project manager, you’ll guide multidisciplinary teams through the planning and delivery of large, complex, and essential systems.

Primary Responsibilities
  • Lead and oversee the analysis, design, construction administration, and preparation of technical reports, plans, and specifications for various water treatment, wastewater treatment, reuse, and resource recovery facility projects.
  • Lead and mentor a team of engineers and designers across multiple offices and disciplines.
  • Coordinate scope, schedule, and budget to ensure high-quality, on-time project delivery.
  • Serve as primary client contact, maintaining communication, trust, and long-term relationships.
  • Collaborate with subject matter experts on advanced technologies such as M , EBPR, RO, and desalination.
  • Support proposal development and participate in business development with existing and prospective clients.
  • Build and maintain trusted advisor relationships with clients, internal stakeholders, and representatives of local, state and federal regulatory agencies.
  • Manage complex projects, multi-discipline treatment plant projects and teams; experience with projects in the $1M+ fee range is a plus.
  • Demonstrate technical expertise in water and wastewater process design, treatment plant civil/structural/mechanical/electrical design, treatment process studies, and construction contract administration and management.
Qualifications
  • Bachelor’s degree in Civil, Mechanical, or Environmental Engineering or related field.
  • Texas Professional Engineer (PE) license (or the ability to become licensed in Texas within 6 months).
  • 8+ years of related water and wastewater treatment experience with emphasis on plant process evaluation, design, and construction of municipal water or wastewater treatment plants.
  • Strong communication, written and verbal, and presentation and sales skills.

Preferred:
Master’s degree in Environmental Engineering.

Benefits
  • Paid overtime for salaried employees.
  • Annual bonus.
  • Hybrid schedule with up to 40% remote work.
  • Alternative schedule program providing a day off every other Friday.
  • Access to company cabins in Red River, New Mexico.

Freese and Nichols is firmly committed to Equal Employment Opportunity (EEO) and prohibits employment discrimination for employees and applicants based upon race, color, religion, sex, sexual orientation, gender identity, national origin, age, pregnancy, genetic information, disability, status as a protected veteran, or any other protected category under applicable federal, state, and local laws.

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