Water/Wastewater Engineer

McMahon has an immediate opening for a full-time Water/Wastewater Engineer in their Neenah, Wisconsin office.

$70,000-$120,000 a year – Full-time

As a Water/Wastewater Engineer, you will work directly with our municipal and industrial clients. Responsibilities will include planning, modeling (hydraulic and process), technical studies, report writing, permitting assistance, design, project management and start-up/operational assistance. Project types include, but are not limited to, water supply, storage, pumping and treatment, wastewater treatment, biosolids management and waste-to-energy systems.

Minimum Qualifications:

  • Bachelor of Science degree in civil engineering (with an emphasis on environmental engineering) or environmental engineering.
  • EIT Certification.
  • Minimum of 3 years of relevant experience.


  • Proficiency in Microsoft Office Suite (Word, Excel, PowerPoint).
  • Self-motivated and able to work independently.
  • Strong written and verbal communication skills.

Benefits – McMahon provides the following for being part of our team:

  • Insurance
    • Health Care – Unsurpassed comprehensive Medical Plan
      • $200 deductible/$400 per family – total, that’s it!
      • No premium cost by employee
      • No network – You pick your doctor!
    • Dental Reimbursement
      • 85% of costs covered by McMahon
      • No premium costs
    • Long Term Care and Long Term Disability Insurance
    • Individual and Dependent Life Insurance
  • Financial
    • Competitive Compensation Packages
    • Merit Bonus Program
    • Profit Sharing
    • 401K
    • Commensurate Vacation
    • Paid Holidays
  • Career Development
    • Mentoring Program
    • Paid Educational Tuition
    • Support for Professional Organizations/Certification
  • Personal Wellness
    • Healthy/family-oriented environment
    • Flexible work schedules
    • On-site exercise facility
    • YMCA membership discount
    • Company sponsored events for employees

McMahon is a leading full-service engineering and architecture firm with a more than 100-year history of successfully delivering results for our clients. We are dedicated to creating a work culture that mentors and empowers our team. We allow our employees to innovate with independence and make the best decisions for their projects. As a consistently ranked top-500 design firm by Engineering News-Record, we invest in our employees by offering a great benefits package and competitive salaries.


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