Senior Field Service Technician

Are you looking to make a meaningful impact on public health and the environment? Join the MWRA team! We deliver some of the nation's highest-quality drinking water to 3 million residents, restored Boston Harbor, and continue to invest in protecting vital public resources. Be part of a mission-driven organization where your work truly makes a difference-in a safe, inclusive, and supportive environment.

Locates water leaks in MWRA Distribution System and for MWRA communities. Locates and marks out the location of MWRA water mains. Performs flow tests for meter testing. Assists in training personnel of MWRA communities in methods of leak detection.

Posting Period: 12/19/2025 to 1/5/2026

Location: Chelsea, MA

Salary: $66,877.85 - $90,355.22 Annually $1,286.11 - $1,737.60 Weekly

* External hires start at $66,877.85

Work Schedule: Monday - Friday 7:00am - 3:30pm

• Performs leak detection of MWRA Distribution System through use of leak correlator, leak correlate and sonic leak apparatus and other leak detection equipment.
• Opens manholes and valve boxes in the MWRA Distribution System to inspect for deficiencies.
• Connects and collects data from pressure recorders and gauges. Operates hydrants, manual air valves, and corporation stops as necessary to connect pressure recorders and gauges.
• Marks leak locations and assists contract and community repair crews in pinpointing leaks.
• Prepares a variety of written reports for MWRA and MWRA communities including survey, progress and leak site reports.
• Collects field data from in-house valve replacements and leak sites including sketches with distance ties to newly installed equipment and leaks.
• Conducts and inspects pitot‑type flow tests for meter‑checking programs and inspects emergency connections and bypasses.
• Installs hydraulic monitoring instrumentation equipment (i.e. pressure transmitters, etc.). Downloads and prepares data for presentations.
• Assists in training workers employed by MWRA communities in leak detection methods.
• Enters labor and equipment maintenance data into computer maintenance management software (MAXIMO)
• Locates and marks out the location of MWRA water mains.
• Performs related duties as required.

• Basic reading, writing, mathematical and oral communication skills as normally attained through a high school education or equivalent required;
  Associate's degree in civil engineering or related field preferred; and
• At least two (2) years of waterworks or underground utility construction experience preferably in water distribution systems; or
• Any equivalent combination of education and experience.
• A valid Class D Motor Vehicle Operators License.
• Water Treatment Operator Grade 1 License or Water Distribution Operator Grade 1 License, or ability to obtain within 1 year.
• This position has been designated as essential in instances where the MWRA Executive Director requires essential personnel to report to work such as inclement weather or other emergencies.

• Ability to read and interpret plans, maps, and drawings.
• Working knowledge of personal computers, mobile devices, Microsoft Office, and Adobe Acrobat pdf editing.
• Ability to perform simple mathematical calculations and write accurate reports.
• Knowledge of general pipeline construction.
• Excellent interpersonal, oral and written communication skills.

Motor vehicle, metal detector, pipe locator, ground microphone, leak correlator, sonic leak detection equipment, and power and hand tools.

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 stoop, kneel, crouch, crawl, stand, walk, talk or hear, sit, climb, or balance. The employee must frequently lift and/or move up to 25 pounds…