Massachusetts Water Resources Authority
  • 27-Dec-2022 to 08-May-2023 (EST)
  • Chelsea, MA, USA
  • 88948.08-93365.48 per year 1710.54 - 1795.49 Weekly
  • Hourly
  • Full Time

Benefits Eligible: Monday_Tuesday 3:00pm - 11:00 pm Friday - Saturday 11:00pm-7:00am Sunday 7:00a m - 3:00pm *Shift differential $4.50 per hour and weekends

DIVISION: Operations

DEPARTMENT: Wastewater General

UNION/GRADE: Unit 3/Grade 19



Supervises the operation and maintenance requirements of assigned wastewater treatment facilities.


Works under general supervision of the shift manager or operations supervisor.


Exercises close supervision of operations/maintenance staff.


  • Supervises and instructs applicable operational/maintenance personnel as required.
  • Reviews performance for compliance and efficiency to ensure safe environmentally sound, efficient uninterrupted wastewater transport and treatment service.
  • Supervises, coordinates and participates in the operational and maintenance requirements of facilities including, chemical feed systems, grit collection systems, sludge collection, gas monitoring, operation of VFD units, emergency generators, system calibration and other related equipment as needed.
  • Supervises, controls and participates in the operation of plant treatment processing units, including settling tanks, sludge and scum conditioning and transfer equipment, digestion and gas control equipment, chlorine equipment, electric generating and control equipment and other treatment plant equipment as needed.
  • Supervises, coordinates and participates in the operation of all operational and support systems, including influent and effluent gates, the grit and screening systems, the air scrubbers, the boilers and ventilation systems. Operates and exercises emergency generators as needed. Communicates with other Area Supervisors, Unit Supervisors, Operations Manager and Senior Managers regarding operational, maintenance and process control conditions.
  • Controls pumping equipment, disinfection systems, storage facilities, screen units and ventilation systems.
  • Supervises and coordinates the cleaning, repairing and assisting in the maintaining of pumps, engines, electric generators, air compressors, vacuum pumps, water and oil circulating pumps, tests injectors for proper operating pressures, renews and repairs air starting values, directs oil changes and changing of oil filters.
  • Supervises applicable preventive maintenance and coordinate corrective maintenance with operations and maintenance personnel.
  • Maintains and reviews operational records and data. Prepares and submits daily and weekly operational reports with observations and recommendations as required. Requests materials, equipment and supplies necessary for operation. Reports needs for major equipment repair to avoid serious breakdown.
  • Makes regular inspections to monitor and document facility conditions.
  • Monitors and operates graphic indicator-recorder panel.
  • Makes necessary adjustments to operational procedures based on data interpreted from control panel to insure continuous operation of facility and maintains elevations, flow rates and velocities of flows within prescribed limits.
  • Utilizes personal computers, data terminals and specialized software applications packages to perform related duties, such as work planning and scheduling, inventory maintenance, etc.
  • Works with engineers in the Technical Information Center to develop and improve designs for assigned work orders. Reports modifications made to equipment.
  • Prepares, edits and submits operational information as required.
  • Collects and ensures quality of samples taken. Performs related laboratory analysis.
  • Prepares work orders for predictive and corrective maintenance, as needed utilizing computer maintenance management systems.
  • Performs supervisory responsibilities of roving field crews and operational personnel located within an operational control center (OCC) as needed.
  • Operates the Process Instrumentation and Controls System (PICS), TELOG or SCADA.
  • Coordinates shutdown and start-up of process equipment.
  • Ensures plant cleanliness and makes rounds to ensure plant facility is maintained by staff.
  • Schedules and works overtime as required.
  • Needs to be available during any emergency.
  • Provides training to assigned staff.
  • Directs remedial action in all emergencies.
  • Reviews assigned employee performance per MWRA procedures.
  • Assists employee with procurement of tools, parts and materials.
  • Operates motor vehicles, such as vans and pick-up trucks, to transport materials to work sites, pick up equipment, etc.
  • Performs light maintenance independently or as part of a team. Light maintenance shall include but not limited to:
  • Operates forklift or other light equipment that does not require a special license.
  • Generates inspection lists and maintenance reporting through the Computerized Maintenance Management System.
  • Inspects and troubleshoots various systems and equipment
  • Installs and retrofits/new equipment related to plant systems.
  • Modifies and/or aligns existing equipment to specifications.
  • With proper safety training, sets up ladders, staging and rigging and utilizes hoists, jacks, dollies, lifts, etc. for proper access to job and to remove and install equipment.
  • Operates portable pumping, ventilation and other equipment necessary to support and accomplish assigned tasks.
  • Greases and lubricates, replaces oil reserves, minor packing adjustments and opens hatches.
  • Installs safety rails, changes light bulbs and replaces HVAC filters.
  • Conducts routine testing, lockout/tagout, operation (startup/shutdown) and adjustment of process equipment.
  • Removes snow from immediate work area in order to perform tasks.
  • Performs necessary cleanup and housekeeping for work area and other light maintenance tasks.


  • Assists employees with the preparation of injury and illness reports, safety work orders, and maintenance work order requests, reviews requests for completeness and accuracy.
  • Assists in maintaining harmonious labor management relations through proper application of collective bargaining agreement provisions and established personnel policies.
  • Performs related duties as required.


Education and Experience:

  • Basic reading, writing, mathematical, scientific and oral communication skills as normally attained through a high school diploma or GED; and
  • Knowledge of principles, procedures, methods, equipment and materials used in the operation, repair and maintenance of a large municipal wastewater or water treatment facility as acquired by five (5) to seven (7) years direct experience of which three (3) must be in a supervisory capacity. Successful completion of the MWRA sponsored supervisory training program and receipt of the training certificate may be subsituted for supervisory experience; and
  • Satisfactory completion of competency-based training program in accordance with the productivity improvement plan training program established at MWRA; or
  • Any equivalent combination of education and experience.

Necessary Knowledge, Skills and Abilities:

  • A working knowledge of the methods, techniques, operations, systems, equipment, principles and practices of wastewater or water treatment.
  • A working knowledge of water and/or wastewater process areas.
  • Ability to plan, organize, direct, train and assign duties to subordinates, as obtained through successful completion of supervisory training program or an approved substitution.
  • Extensive knowledge of safety practices and applications in wastewater treatment operations.
  • Knowledge of groundwater level monitoring and sampling procedures and proper sludge land filling operations.
  • Knowledge of lab procedures and analyses related to process control of secondary plant and NPDES permit requirements.
  • Ability to understand and apply process control techniques.
  • Ability to plan, organize, direct, train and assign duties to subordinates.


  • A valid Massachusetts Wastewater Treatment Plant Operator's Grade 4 license.
  • A valid Collections System IV certification within 12 months of entering the position.
  • A valid Class D Massachusetts Motor Vehicle Operator License.
  • Complete competency based training program related to ESSENTIAL DUTIES AND RESPONSIBILITIES as outlined above and successfully demonstrates required competencies.


Office equipment as normally associated with the use of telephone, mobile radio, beeper, personal computer, including word processing and other software, copy and fax machine.


The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

While performing the duties of this job, the employee is regularly required to use hands to finger, handle, feel or operate objects, tools or controls and reach with hands and arms. The employee frequently is required to stand and talk or hear. The employee is occasionally required to walk; sit; climb or balance; stoop, kneel, crouch, or crawl; taste or smell.

The employee must frequently lift and/or move up to 25 pounds and occasionally lift and/or move more than 50 pounds. Specific vision abilities required by this job include close vision, distance vision, color vision, depth perception, peripheral vision and the ability to adjust focus.


The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job.

While performing the duties of this job, the employee regularly works in outside weather conditions. The employee occasionally works near moving mechanic parts and is occasionally exposed to wet and/or humid conditions and vibration. The employee occasionally works in high, precarious places and is occasionally exposed to fumes or airborne particles, toxic or caustic chemicals.

The noise level in the work environment is usually loud in field settings, and moderately quiet in an office setting.

Massachusetts Water Resources Authority (MWRA) is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, national or ethnic origin, age, religion, disability, sex or gender, sexual orientation, gender identity or expression, or veteran status.

Massachusetts Water Resources Authority
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