Plant Technician

AD Energy Recruitment is seeking a full-time RNG Technician in Berlin, WI, to support operations at a biogas facility converting dairy manure into renewable natural gas. Responsibilities include operating and maintaining biogas systems, monitoring gas parameters, and ensuring compliance with safety regulations. Candidates should have a technical diploma or equivalent experience, with 1-3 years in industrial operations preferred. The role involves outdoor work and may require rotating on-call shifts.
Job Title: RNG Technician

Location: Berlin, Wisconsin

Employment Type: Full-Time

Industry: Renewable Energy / Biogas Production

About Us

Located in the heart of dairy country, our Berlin, WI facility transforms dairy cow manure into renewable natural gas (RNG), helping reduce greenhouse gas emissions and contribute to a cleaner energy future. As part of a growing team committed to sustainability and innovation, you’ll be at the forefront of the clean energy transition.

Position Overview

We are seeking a hands-on and detail-oriented RNG Technician to support day-to-day operations at our biogas facility. This role is responsible for maintaining and monitoring systems that convert raw biogas into pipeline-quality RNG. You’ll work closely with engineers and operations staff to ensure optimal performance and compliance with environmental and safety standards.

Key Responsibilities
Operate, monitor, and maintain biogas upgrading systems (e.g., membrane separation, pressure swing adsorption, or water wash systems) Perform routine and preventive maintenance on compressors, pumps, valves, sensors, and other mechanical and electrical systems Monitor biogas flow rates, methane content, hydrogen sulfide levels, and other gas parameters using SCADA and lab instrumentation Collect and analyze gas samples for QA/QC Respond to alarms and troubleshoot equipment or process issues Maintain accurate logs, inspection records, and maintenance reports Assist in optimization projects and plant upgrades Ensure compliance with local, state, and federal environmental and safety regulations Support manure handling and digester operations as needed

Qualifications
Technical diploma in mechanical, electrical, environmental, or industrial technologies preferred; or equivalent experience 1–3 years of experience in industrial operations, wastewater treatment, gas processing, or renewable energy preferred Working knowledge of pumps, motors, piping, and instrumentation systems Basic understanding of gas chemistry and thermodynamics (preferred) Familiarity with SCADA systems and CMMS software (a plus) Strong troubleshooting and analytical skills Ability to work independently and on rotating on-call shifts Valid driver's license and reliable transportation

Working Conditions
Outdoor and indoor work in varying weather conditions Physical requirements include lifting (50 lbs), climbing ladders, and working in confined spaces Rotating on-call and occasional weekend work required

Why Join Us?
Be part of a mission-driven company creating renewable energy from agricultural waste Competitive salary and benefits package Opportunities for training, growth, and advancement in a growing sector Work in a tight-knit team environment with a strong safety culture

To be considered for the RNG Plant Technician role please apply now!