Senior Water/Wastewater Engineer

Essential Duties

• Lead with Impact - take charge of projects or contribute individually to help clients evaluate, plan, and implement water, wastewater, and reuse system operations
• Conduct treatment technology assessments using data analysis, mass balance calculations, modeling, bench and pilot testing
• Diagnose existing system operations, troubleshoot issues, and drive process improvements
• Support long-range planning by assessing current systems and forecasting future capital and operational needs
• Perform studies and alternative analyses to identify optimal treatment solutions that align with compliance and client goals
• Design with Purpose - develop conceptual and detailed engineering plans and specifications for construction-ready solutions
• Assist with construction, system start-up, troubleshooting, and operational support for new installations
• Conduct field observations, inspections, and data collection to inform project decisions
• Prepare permit submittals for water and wastewater projects, ensuring regulatory compliance
• Work closely with team members, communities, and stakeholders to define project needs and deliver impactful results
• Take on additional responsibilities as needed, contributing to a dynamic and evolving team environment 

• Clarion Water Treatment System
• Hartford, SD Reclamation Facility Improvements

Skills, Knowledge and Expertise

• Bachelor’s degree in Civil, Environmental, Mechanical, Chemical Engineering, or a related field 
• Registered Professional Engineer (PE), required
• 10+ years of hands-on experience in the design and drafting of water and wastewater infrastructure, including treatment facilities, groundwater wells, storage systems, distribution networks, pumping stations, collection systems, and lift stations
• Strong command of water and wastewater engineering principles, with a knack for solving complex challenges
• Experience in team building and leadership is a plus—we’re looking for someone who can inspire and guide others
• Exceptional multitasking, organizational, and communication skills to keep projects moving and stakeholders informed

ISG Employee Owner Benefits

• Medical, dental, and vision
• Paid time off, pro-rated amount available on your start date
• Paid holidays and paid volunteer time
• Paid parental leave
• Bi-annual profit sharing
• Employee Ownership Stock Plan (ESOP)
• 401K retirement plan
• Life insurance
• HSA and FSA options
• Bereavement leave
• Supplemental voluntary benefits
• Short term and long-term disability
• Parking reimbursement, varies on office location 
• Cell phone plan reimbursement
• Mileage reimbursement for ISG-approved travel