Frequent work performed outside or with exposure to risk including exposure to hazardous chemicals, raw sewage, communicable diseases, loud or constant noise, electricity, humidity, wetness, extreme temperatures, heights, odors, gases, mists, confined spaces, climbing ladders, cramped spaces, and inherent construction related hazards. Knowledge, Skills & Abilities: Must maintain an In-depth knowledge of wastewater treatment processes, compliance requirements, operations and maintenance requirements, and reporting/record keeping requirements, including the ability to troubleshoot wastewater equipment and processes and be knowledgeable in performing wastewater tests and interpreting results.