As a Water/Wastewater Treatment Supervisor – Maintenance, you will manage daily and 24/7 operational readiness of water, wastewater treatment, and biogas systems, including workforce planning, process control, budget awareness, quality and environmental compliance, and KPI delivery. This role reports to the Maintenance, Reliability & Utility Manager and leads foremen, leaders, operators, and technicians supporting biogas and wastewater operations. You will work closely with EHS, QA, Production, Maintenance, Supply Chain, GTM, and external stakeholders including community, regulators, and government agencies.