IS Analyst III

Calpine Corporation is America's largest generator of electricity from natural gas and geothermal resources with operations in competitive power markets. Its fleet of 77 power plants in operation represents over 27,000 megawatts of generation capacity. 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.

*This role is not fully remote and requires 3 days onsite in Houston, Texas.

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

The IS Analyst is responsible for supporting cybersecurity operations, regulatory compliance, and infrastructure initiatives across both IT and OT environments. This includes managing Splunk deployments and logging infrastructure across plant sites, overseeing the CrowdStrike Falcon console for policy tuning, alert triage, and endpoint visibility, and assisting in incident response planning and remediation through SOP development. The role also involves tuning Fortinet alerts to improve visibility for legacy systems, communicating technical updates and guidance through email and Teams collaboration, and working cross-functionally to ensure secure and compliant operations across the enterprise. Daily participation in cyber risk and threat intelligence briefings with the CSOC team and support for governance efforts such as NERC CIP and TSA IT GRC are also key responsibilities.

In addition to these core duties, the IS ANALYST works across all 14 cybersecurity technical disciplines and provides leadership and guidance to the Managed Detection and Response (MDR) Security Operations Center. This requires a broad understanding of security tools and frameworks, strong communication skills, and the ability to coordinate with internal and external stakeholders to maintain a robust and resilient cybersecurity posture.

May require 6-8 years of experience in the specialized field with additional experience in other IT areas. Familiar with a variety of the field's concepts, practices, and procedures. Relies on extensive experience and judgment to plan and accomplish goals. Performs a variety of complex tasks. Typically reports to a manager.

Additional responsibilities will be gathering design, coordination, testing and support of customer intelligence reporting and the analytic needs. May work as a liaison between IT and Business to ensure proper testing is done to meet requirements. May assess the appropriateness and effectiveness of a particular policy. Identify and implement best practices to communicate and publish. May Coordinate and lead business requirements gathering meetings with management and business users of the company. Possibly ensure that relevant documents of system set up and working practices is established and maintained reflecting any changes as a result of development. Will Providing support and training associated with the operation of the systems, including induction and refresher training and arranging externally provided training if required.

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.

Decision Making

- 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.

Work Complexity

- 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.

Self Management

- 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. Degree from technical/vocational school or equivalent , Bachelor’s Degree in Information Systems preferred. Senior-level; varies depending on area, but generally 6+ years directly related experience.

- Advanced certifications/licensures.

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.