Maintenance Technician III

Maintenance Technician III Calpine United States, California, Middletown 10350 Socrates Mine Road (Show on map) Apr 27, 2026 Description 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 (including but not limited to the following; other duties may be assigned) Performs mechanical and/ or electrical maintenance on plant equipment to support optimum efficiency, availability, and plant appearance. Works call-outs as required to maintain plant availability. Performs maintenance activities around the repair, replacement, installation and removal of mechanical and/or electrical equipment and associated structures. Responsibilities include inspecting and verifying maintenance clearances prior to work, troubleshooting, disassembling, reassembling, and replacing equipment and associated parts, monitoring plant equipment and analyzing operating data. While the focus of work is primarily on repair and maintenance, may also perform some preventative maintenance activities including troubleshooting and assisting with the development of preventative maintenance procedures and recommended spares list/inventory as required. Assists with planning and spare parts inventory including following procedures around requisitioning of parts and supplies. Prepares all reports as directed by management and plant procedures. Ensures compliance with all local, State and Federal regulations and plant procedures. Maintains safe work environment and contributes to operating procedures to ensure consistent and safe operations. Job Responsibilities

• Senior-level; recognized technical expertise in own and possibly related functions.
• Performs a variety of complex technical service/support duties requiring specialized knowledge.
• Regularly makes decisions on non-routine or escalated technical issues.
• Independently prioritizes and executes responsibilities effectively for a single trade, group of related tasks or functional area.
• Checks own work and possibly the work of others; work results are of the highest quality standards and advanced technical competency.
• Errors may be serious, usually not subject to direct verification or check.
• Duties and tasks reflect substantial variety and complexity.
• Resolves the most complex technical issues, conferring with Team Leader occasionally; may serve as resource to others in resolution of complex issues.
• Works under limited supervision.
• Prioritizes own weekly schedule and may guide others in the completion of tasks within clearly defined schedules as set by management.
• Regularly provides on-the-job skills training to others in complex technical areas. Job Requirements
• High School Diploma, degree from technical/vocational school or equivalent.
• Senior-level; generally 10+ 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 basic knowledge of physics and applied mathematics to facilitate understanding of cogeneration power plant systems such as turbines, generators, pumps, motors, shaft-to-shaft alignment, seal times, and valves.
• Skills may be in the areas of mechanical, instrumentation and control and/or electrical maintenance. Must have welding skills and/or operation of machine tools such as lathes, mills, etc. Requires experience with industrial frame combustion turbine maintenance.
• Advanced certifications/licensures. Valid state driver's license. Preferred Qualifications
• Basic Computer Skills with ability to navigate and use computerized maintenance management system (CMMS)
• Possess or be able to acquire a California Commercial Drivers License within 6 months of employment.
• Be a Journeyman Mechanic with 10+ years of experience or equivalent automotive/truck repair background.
• Possess an ability to diagnose Automotive and Truck Repairs utilizing an OBD 2 Scan Tool.
• Diesel and Large Truck repair experience is highly desirable.
• Be familiar with tire changing machines.
• Understand that this position assists the Civil Department and operates a 4x4 truck with snow plows and sanders to clear roads during inclement/icy weather and be familiar with tire chains.
• A willingness to respond during callouts for emergency work and/or work a reasonable amount of overtime as may be required to complete projects timely. Salary Information
• Hourly Rate Range - $55.

2662 to $69.0827/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 Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.