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Water/Wastewater Engineer

McMahon Associates
Appleton, WI Full Time
POSTED ON 1/13/2026
AVAILABLE BEFORE 2/14/2026

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


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 7 years of relevant experience.

Skills:

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


McMahon Benefits

  • Outstanding combination of salary and merit bonus – industry leading – 100% quartile
  • Year-end merit bonus to encourage your entrepreneurial spirit for all employees, not just leadership.
  • Career Development plans including active mentorship, professional registration, continuing education and tuition reimbursement
  • Paid vacation, bereavement time, maternity leave, family emergency, military duty
  • Company profit sharing into your 401k (last 4 years was 15% total compensation, salary merit bonus). Additional employee contributions and roll in contributions welcomed.
  • Best in industry health insurance.
  • Dental reimbursement. Orthodontics coverage after 2 years of employment.
  • Pharmaceutical coverage with very low co-pays including opportunity for $0 copay for reoccurring medicines through multiple mail order pharmacies.
  • Employee Assistance Program for Mental Health, Addiction Recovery, Legal, Financial and Identity Theft services
  • Long-term disability
  • Life Insurance for employee, Dependent Life Insurance for your spouse and your children
  • Chiropractic coverage for 20 visits per year plus additional medically necessary visits
  • Corporate discount for membership at local YMCA or partial membership reimbursement at your favorite gym!
  • Entry reimbursements for run, walk, or bike events
  • Cancer Care Enrollment for you and your family with access to team of cancer experts who guide you through diagnosis, review treatment options and myriad of support options.
  • Global Travel, Medical and Repatriation Assistance if necessary for you and your family
  • Up to 8 hours PTO for volunteering in community


McMahon Associates is an Equal Opportunity Employer

Salary.com Estimation for Water/Wastewater Engineer in Appleton, WI
$48,067 to $66,617
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