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RNG Facility Operator

Job in Seattle, King County, Washington, 98127, USA
Listing for: ESI
Full Time position
Listed on 2026-01-12
Job specializations:
  • Manufacturing / Production
    Maintenance Technician / Mechanic, Operations Engineer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below

Join to apply for the RNG Facility Operator role at ESI

This range is provided by ESI. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

$31.00/yr - $37.00/yr

Job Title:

RNG Facility Operator - Maple Valley, WA

Location:

King County, WA

Company Overview

ENERGYneering Solutions Inc. (ESI) provides exceptional technical expertise in engineering and operations for the biogas utilization and management industries. Since 2007, ESI has specialized in design, construction, and operations for biogas projects that collectively produce over one million MWh of renewable electricity and over 50 million gallons of renewable vehicle fuel every year. ESI is built upon the principle of providing our clients with unmatched experience, flexibility, and follow-through.

Job

Overview

Operate a Landfill Gas to Renewable Natural Gas Plant “RNG” facility to maximize production. Operator will work closely with Plant Manager to conduct all plant routine and non‑routine maintenance and repairs. The Operator will take ownership in plant performance and tackle challenges to help Operations Leadership achieve their goals. This is a hands‑on role where a willingness to learn and commitment to safety culture will be crucial.

Although this is a great role for an independent, self‑motivated individual, you will not be alone! You will have an amazing team at your disposal to help you run problems to ground and actualize solutions. The plant will be managed and operated by three personnel – Plant Manager and two Plant Operators.

Reports To

The Operator reports to the Director of RNG Operations.

Location

The Operator position is based out of Maple Valley, WA in King County (Plant). The candidate should take up residence within 50 miles of the Plant.

Travel

Travel may be required to other Plants or Corporate office locations.

Responsibilities and Duties
  • Operate and maintain the Plant and all associated equipment in a safe, detailed, organized, and presentable manner. Tasks may include housekeeping, weeding, or site maintenance, minor fabrication and the like.
  • Manage, diagnose, troubleshoot mechanical and electrical systems. Remote and onsite assistance is available for unresolved issues.
  • Learn to maximize SCADA utilization for predictive and proactive operations and maintenance.
  • Perform maintenance and repairs on all major and ancillary equipment. Balance of plant equipment may include but is not limited to: site vehicles, gas analyzers, air compressors, gas compressors, radiators, air handling equipment, pumps, filters, flares, gas treatment equipment, and other site‑specific equipment.
  • Use the Operational Data Management System (ODMS) to track and record events, operational data, and daily “walk around” readings.
  • Understand, follow, and assist with compliance regulations for the Plant. This may include record keeping, gathering data, performing inspections, keeping permits posted, maintaining compliance equipment, and meeting with inspectors.
  • Respond to Plant callouts in a timely and professional manner (typically considered within 2 hours).
  • Assist with training of coworkers or temporary Operators at the Plant.
  • Travel to assist Operators at other Plants, backup or fill in for another Operator, or for training.
  • Use ESI’s Standard Operating Procedures (SOP’s) where available. Recommend and assist in further SOP development.
  • Maximize Plant efficiencies.
  • Other duties as assigned.
Minimum Qualifications and Requirements
  • 1 - 5 years of Plant operations and other related experience.
  • Trade school certification, high school diploma or GED.
  • Strong mechanical aptitude and background.
  • Ability to read and understand basic Process Flow Diagrams and Electrical Schematics.
  • Ability to use basic troubleshooting tools, i.e. Multimeters, Thermographic, Measurement and Gas Testing Equipment.
  • Basic Windows based computer skills.
  • Established troubleshooting skills.

    Experience in maintenance planning and preventative maintenance strategies.
  • General working knowledge of Microsoft Office suite of software. (Word, Excel, PowerPoint, etc.).
  • Must be able to work independently, self‑motivate, and communicate effectively with…
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