Anaerobic Digester Pretreatment Facilities Operator – PurposeEnergy (St Albans)

Posted: November 22, 2023

PurposeEnergy has revolutionized the way food and beverage processors treat organic waste. PurposeEnergy’s waste stream solutions feature the innovative and patented Tribrid-Bioreactor™ – the most robust anaerobic digester available for treating food and beverage waste. The Tribrid-Bioreactor™ eliminates the cost of disposing waste and, importantly, produces significant quantities of renewable energy.

Job Description:

Join PurposeEnergy, we are on a mission to save the planet!  Be a part of a small, passionate, fast-paced and growing team of industry experts. Click here to read the full job description.

In this role, you will:

  • Perform duties and make process decisions to manage the quality of treated effluent at industrial food and beverage anaerobic digester pretreatment facilities
  • Optimize facility throughput, including feedstock volume, effluent volume, and renewable energy production
  • Ensure compliance with state and local wastewater permits, air quality permits, and solid waste permits
  • Monitor all parameters and performance of plant and equipment, including:
    • Hydraulic flows, temperatures, pH, COD, VFA, pressures, and renewable power generation
    • Perform in-house laboratory analyses
    • Collect samples for third-party compliance analyses
    • Inventory control of consumables, such as chemicals, reagents, and spare parts utilizing CMMS
  • Conduct routine reporting:
    • Upload operating parameters to the server daily
    • Complete and submit monthly WR-43 wastewater monitoring report to the state and municipality
    • Host compliance audits, as required
    • Schedule fire safety inspections, as required
    • Compile and submit hazardous waste generator reports
    • Document all maintenance work in CMMS
  • Oversee the biological process, feedstock receiving, hydraulic pumping, chemical feed systems, filtration systems, phosphorus sequestration, dewatered solids removal, and biogas utilization system, including:
    • Feedstock receiving and management, pumping, and dosing
    • Digester level and recirculation loop maintenance
    • Membrane ultra-filtration, DAF operation, and chemical pH adjustment/control
    • Dewatering, polymer pacing, solids handling and trucking from facility
    • Heat exchangers, glycol loops, pressures, and temperatures
    • Biogas pressures, flows, and safety equipment
    • Biogas fueled 300-1,000kW generator
    • All controls, instruments, and systems
  • Maintain VT State Wastewater Treatment Facility Operator License and continuing education

To be successful in this role, you will have:

  • Current Vermont Grade II Industrial Wastewater Treatment Operator certificate (or higher)
  • 5 years of relevant experience as an operator, in RNG, construction, and/or in industrial maintenance

Click here to read the full job description.


  • $24 – $35 / hr depending on relevant experience
  • Eligible for the company’s healthcare plan
  • Position is subject to 24 hour call-out.


PurposeEnergy is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national or ethnic origin, sex, sexual orientation, gender identity or expression, age, disability, protected veteran status, or other characteristics protected by law.