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Power Plant Operator II

Calpine Operating Services Company
Westbrook, ME Full Time
POSTED ON 5/5/2026
AVAILABLE BEFORE 7/5/2026

Calpine, a business unit of Constellation Energy Corporation (Nasdaq: CEG), is America's largest generator of electricity from natural gas and geothermal resources with operations in competitive power markets. With 79 energy facilities in operation, Calpine’s fleet has the capacity to generate approximately 27,000 MW of electricity – enough to power approximately 27 million homes. Through wholesale power operations and its retail businesses, Calpine serves customers in 22 states and Canada. Its clean, efficient, modern and flexible fleet uses advanced technologies to generate power in a low-carbon and environmentally responsible manner.

The company was established on the premise that a strong commitment to the environment is inextricably linked to excellence in power generation and corporate responsibility. Since its founding in 1984, Calpine has led the power industry in its unwavering commitment to environmental stewardship. In addition, its renewable geothermal plants use steam generated deep below the earth's surface to produce clean, renewable electricity.

Job Summary (includes but is not limited to the following, other duties may be assigned)

Responsible for start, stop and monitoring of equipment including reading gauges and meters and recording activities in operating logs and records. Uses computers and monitoring equipment to measure, record and make adjustments within operating parameters. Performs a variety of plant maintenance tasks including diagnosis, maintenance and repair of mechanical and electrical equipment in a safe, efficient and economical manner. Performs overhaul maintenance and system improvement tasks. Performs chemical analysis and chemical control on steam, cooling and condensate systems, and maintains chemistry logs. Incumbents assist in the development of standard operational procedures and provide input to plant betterment items to improve plant efficiency, reliability and safety. Ensures compliance with all local, State and Federal regulations and plant procedures. Regularly required to maintain plan security, operate heavy equipment such as manlifts and forklifts, and handle and transfer bulk chemicals.

Job Responsibilities

  • Performs a variety of technical service/support duties that are semi-routine in nature.
  • Routine and non-routine decisions with some latitude, but still subject to approval.
  • With limited guidance, prioritizes and executes responsibilities effectively for a single trade, group of related tasks or functional area.
  • Work periodically reviewed by others; work reflects solid performance of duties.
  • Errors have small and possibly incremental impact on department or facility and discovered in succeeding operations where work is verified or checked.
  • Completes tasks and resolves problems that require an ability to recognize deviation from accepted practices.
  • Resolves most questions and problems and refers only the most complex issues to higher levels.
  • Completes tasks and resolves problems that require an ability to recognize deviation from accepted practices.
  • Resolves most questions and problems and refers only the most complex issues to higher levels.

Job Requirements

  • High School Diploma, degree from technical/vocational school, military service or equivalent.
  • Journey-level; generally, 6 years directly related experience including understanding of health and safety regulations, and previous experience working with and around hazardous energy, chemicals and waste materials including knowledge of safe handling, storage, and transport.
  • Requires previous experience using test equipment and calibration appliances. Experience with machinery repair and control systems.
  • Strong mechanical aptitude and basic understanding of chemistry, physics, electricity and mathematics.
  • Basic certifications/licensures. Valid state driver’s license.
  • Must either hold a State of Maine Boiler or Stationary Engineer’s License, or have the qualifications to meet State Licensing requirements

Salary Information

Hourly Rate Range - $38.32 to $47.90 /hour

Additional Calpine Information:

  • Equal Opportunity Employer of Minorities, Females, Protected Veterans, and Individuals with Disabilities.
  • Calpine is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants with physical and/or mental disabilities. If you are interested in applying for employment and need special assistance or an accommodation to use our website or to apply for a position, please send an e-mail with your request to hrrecruitment@calpine.com. Determination on requests for reasonable accommodation are made on case-by-case basis. Please view Equal Employment Opportunity Posters provided by OFCCP here

Salary : $38 - $48

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