Senior Sewer Operator

Salary: See Position Description
Location : Nantucket, MA 02554
Job Type: Full-time
Job Number: 00150
Department: SEWER DEPARTMENT
Division: WAST WATR 66440
Opening Date: 02/26/2026
Closing Date: 7/1/2026 4:00 PM Eastern

Description
The Senior Sewer Operator is responsible for the performance of a wide range of skilled work including assessing the type and amount of work to be performed, assigning personnel to appropriate duties, inspecting and evaluation of the work of Sewer Operators, coordinating with the Chief and or Assistant Chief. The Senior Operator is required to maintain optimal treatment plant performance to meet all requirements of the facilities Discharge Permit and all similar or related duties.

The Senior Operator is also responsible for the completion and processing of the monthly Discharge Monitoring Report DMR with Massachusetts DEP thru the EDEP filing system and related project management paperwork to ensure effective recordkeeping. The Senior Sewer Operator may also be required to train other Operators in the Field to become proficient in all aspects of Wastewater Treatment Operations and processes.
EDUCATION AND EXPERIENCE: Any combination equivalent to graduation from high school and/or four (4) years of experience as a wastewater treatment plant operator.
SPECIAL REQUIREMENTS: Massachusetts Class D license (required at time of hire);
Hoisting 2A, 1C or 1B and 4E (required within one year); CDL B, Tanker Endorsement and Wastewater 6 OIT (required within two years).
This is a 40 hour per week AFSCME M-4 Union position. Hourly rate $35.72 (new hires) - $44.47 (employees with 12 years of service with the Town of Nantucket)
The Town of Nantucket offers a retirement pension through Barnstable County Retirement, 90% employer-sponsored health insurance plan options, and a diverse selection of supplemental insurance policies.
If you have any questions, reach out to
The Senior Sewer Operator is responsible for the performance of a wide range of skilled work including assessing the type and amount of work to be performed, assigning personnel to appropriate duties, inspecting and evaluation of the work of Sewer Operators, coordinating with the Chief and or Assistant Chief. The Senior Operator is required to maintain optimal treatment plant performance to meet all requirements of the facilities Discharge Permit and all similar or related duties.

The Senior Operator is also responsible for the completion and processing of the monthly Discharge Monitoring Report DMR with Massachusetts DEP thru the EDEP filing system and related project management paperwork to ensure effective recordkeeping. The Senior Sewer Operator may also be required to train other Operators in the Field to become proficient in all aspects of Wastewater Treatment Operations and processes.

SUPERVISION REQUIRED: The Senior Sewer Operator works under the supervision of the Chief or Assistant Chief. Clear, detailed and specific instructions govern the work or are explained with each assignment. The employee works as instructed and consults with the supervisor as needed on all matters not specifically covered in the guidelines or instructions. The supervisor maintains control by reviewing the work in progress or upon completion.

SUPERVISORY RESPONSIBILITY: The Senior Operator may be responsible for the regular supervision and training of Sewer Operators, at the direction of the Director or Chief Operator.

CONFIDENTIALITY: The Senior Operator does not have regular access to confidential information of the department, in accordance with the State Public Records law.

ACCOUNTABILITY:The nature of work or the operation of large, complex, or potentially dangerous equipment increases the probability that errors could be serious. Consequences of errors, missed deadlines or poor judgment may include significant monetary losses, waste of material, and damage to buildings, equipment or personal injuries.

JUDGEMENT: Well defined or detailed rules, instructions and procedures cover all aspects of work. Judgment involves choosing the appropriate practices, procedures, regulations or guidelines to apply in each case.

COMPLEXITY: The work consists of…