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Digester Operator Jobs in Massachusetts (NOW HIRING)

Biogas Operator

Spencer, MA · On-site

$28 - $32/hr

The facility is composed of a digester, pumps, gas blowers, compressors, oxygen generators ... Maintenance and operating experience in an industrial or gas processing environment. * Ability to ...

Digester Operator information

What is a digester operator?

A Digester Operator is responsible for operating and maintaining digesters, which are large industrial vessels used to break down organic materials through chemical or biological processes. These professionals monitor equipment, control operating parameters, and ensure that the digestion process runs efficiently and safely. Digester Operators are commonly employed in industries such as wastewater treatment, pulp and paper, and renewable energy production. Their duties also include troubleshooting equipment issues, collecting samples for analysis, and following safety and environmental regulations.

What are the key skills and qualifications needed to thrive as a digester operator, and why are they important?

A Digester Operator needs a solid understanding of industrial processes, mechanical aptitude, and usually a high school diploma or equivalent with relevant experience in wastewater treatment or industrial operations. Familiarity with SCADA systems, chemical dosing equipment, and safety protocols is typically required, and certifications like wastewater treatment operator licenses are often preferred. Strong attention to detail, problem-solving skills, and effective communication help operators respond quickly to issues and collaborate with team members. These skills ensure the safe, efficient, and compliant operation of digesters, which is critical for environmental protection and facility productivity.

What are some common challenges faced by digester operators, and how can they be addressed?

Digester Operators often encounter challenges such as maintaining optimal operating conditions, troubleshooting equipment malfunctions, and managing unexpected changes in feedstock quality. To address these, operators must closely monitor process parameters, perform routine maintenance, and communicate effectively with maintenance and engineering teams. Staying proactive with preventive maintenance and participating in ongoing training can also help operators adapt to new technologies and regulatory requirements.

What is the difference between Digester Operator vs Wastewater Treatment Plant Operator?

AspectDigester OperatorWastewater Treatment Plant Operator
CertificationsTypically requires wastewater treatment certificationsRequires wastewater treatment certifications
Work EnvironmentOperates digesters in waste management or biogas plantsWorks in municipal or industrial wastewater treatment facilities
Industry UsageCommon in waste management, biogas, and renewable energy sectorsPrimarily in municipal and industrial wastewater treatment

Both roles involve operating treatment equipment and require similar certifications. However, Digester Operators focus on digesters used for waste breakdown and biogas production, while Wastewater Treatment Plant Operators manage the overall wastewater treatment process. The roles overlap in certifications and work environments but differ in specific processes and industry focus.

What are popular job titles related to Digester Operator jobs in Massachusetts?

For Digester Operator jobs in Massachusetts, the most frequently searched job titles are:

What cities in Massachusetts are hiring for Digester Operator jobs?

Cities in Massachusetts with the most Digester Operator job openings:

Infographic showing various Digester Operator job openings in Massachusetts as of July 2026, with employment types broken down into 7% As Needed, 16% Full Time, 4% Part Time, 17% Temporary, 55% Contract, and 1% Summer. Highlights an 28% Physical, 71% Hybrid, and 1% Remote job distribution.

Biogas Operator

Spencer, MA • On-site

Vanguard Renewables
Clean Energy Power Generation • 1 - 10 employees

$28 - $32/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 25 days ago


Job description

Description:

Vanguard Renewables, based in Weston, Massachusetts, is a national leader in environmental services and the development of food and dairy waste-to-renewable energy projects. The Company builds, owns, and operates on-farm anaerobic digestion facilities and is continuing to scale through an extensive national expansion of its Farm Powered ® platform. It is committed to advancing decarbonization by reducing greenhouse gas emissions from farms and food waste, generating renewable energy, and supporting regenerative agriculture on partner farms. Vanguard Renewables is a portfolio company of Global Infrastructure Partners (GIP), a part of BlackRock.


Reporting to the Operations Manager, the Biogas Operator performs skilled work that is necessary in operating an anaerobic digester, gas conditioning skid, associated digester and upgrader plant equipment. The facility is composed of a digester, pumps, gas blowers, compressors, oxygen generators, condensers, chillers, and related auxiliary equipment.


RESPONSIBILITIES:

  • Adheres to, and has full working knowledge of, the company safety program. Will have limited oversight responsibility for outside maintenance contractors to ensure that they are working in a safe manner.
  • Communicates with all personnel to stress the importance of a safe work environment. Required to isolate equipment following proper Lock-out Tag-Out procedures.
  • Demonstrates knowledge of and supports the plant safety, health, and environmental programs in all activities. Contributes to incident investigations to reduce recurrence of accidents/incidents.
  • Supports and promotes the philosophy of maintaining an accident/incident free workplace.
  • Assist and support outside contractors with all onsite maintenance, including media change-outs, large equipment overhauls, and vacuum removal of solids from digesters.
  • Monitor gas production of anaerobic digesters with a focus on O2 and H2S concentration.
  • Complete hourly and daily rounds of plant equipment and capture fluid temps, pressures, oil levels, gas concentrations, process flows. Check equipment for proper operation looking for excessive vibration, fluid leaks and any conditions needing further attention. Accurately record all plant operational parameters and respond to unsatisfactory trends and remedy as needed.
  • Conduct initial troubleshooting prior to calling in technicians and/or 3rd party contactors
  • Learn from technicians and 3rd party contractors on servicing equipment to use in future scenarios to keep maintenance in-house
  • Operate plant equipment including the pumps, blowers, and other related auxiliary equipment in accordance with manufacturer recommendation and established company policy.
  • Participate in plant housekeeping programs and material handling safety activities to ensure safe working conditions.
  • Participate in the planning and execution of preventative maintenance activities.
  • Write work orders on work management software to track repairs and scheduled maintenance
  • Assist in writing Standard Operating Procedures and Energy Isolation Procedures
  • Consistent and on-time attendance
  • Other duties as assigned.
Requirements:

SKILLS AND QUALIFICATIONS:

  • Valid driver's license and ability to operate a motor vehicle is required.
  • Will be required to regularly lift, move and/or push objects weighing up to 50lbs
  • Maintenance and operating experience in an industrial or gas processing environment.
  • Ability to work on-call hours as required.
  • Operational experience may be supplemented with military experience or training in a related field.
  • A relevant background in safety procedures/practices.
  • Able to quickly respond to rapidly changing conditions.
  • Ability to read, write and understand English is required.
  • Ability to read and understand mechanical and electrical drawings.
  • Ability to do minor electrical troubleshooting with the use of multimeters i.e., testing fuses and verifying line voltages
  • Ability to analyze and interpret data and to make sound recommendations on plant conditions.
  • Fundamental proficiency in Windows-based applications (Outlook, Word, and Excel) on a PC or tablet required.

WORKING CONDITIONS:

  • Work locations are industrial and agricultural, primarily outdoors.
  • Limited exposure to hazardous materials and/or toxic fumes will require the use of approved personal protective equipment. Regular exposure to heat, noise, flammable materials, rotating equipment, and other conditions normally encountered in an industrial environment should be expected.
  • Vanguard Renewables will ensure all applicable work rules and safety requirements are closely adhered to.

What We Offer:

  • Comprehensive health insurance benefits, including HSA option, with substantial employer premium contributions.
  • Competitive, employer-sponsored (100% paid) dental, vision, and wellness benefits.
  • Basic employer-paid life and disability insurance, with optional supplemental life and AD&D coverage.
  • 401(k) retirement program with employer match and immediate eligibility.
  • Pre-tax Flexible Spending Account (FSA) options to support healthcare and dependent care expenses.
  • Education and adoption assistance programs to support personal and family goals.
  • Discretionary performance-based bonus opportunity in addition to competitive base salary.
  • Robust paid time off supporting flexibility and work-life balance.
  • Monthly cell phone and business expense reimbursement.

Vanguard Renewables is an equal opportunity employer. We are committed to a work environment that supports, inspires, and respects all individuals and in which personnel processes are merit-based and applied without discrimination on the basis of race, color, religion, sex, sexual orientation, gender identity, marital status, age, disability, national or ethnic origin, military service status, citizenship, or other protected characteristic.