2027 Technical Services Projects Intern - Geysers

As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes.

Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow.

We are currently seeking highly motivated Engineering students for Technical Services Projects Internships for 2027 to work in person at our location in Middletown, CA - Geysers. These paid internships will last approximately 10 weeks starting June 7th, 2027 through August 13th, 2027. Interns will work on specific projects, designed to help them gain real-world, hands-on experience working independently under an assigned supervisor and technical mentor.

Job Summary

• Manage schedules, budgets, and quality standards for capital construction projects at The Geysers.

• Oversee projects from competitive bidding through construction, startup, and closeout.

• Collaborate closely with the Engineering Project Manager to ensure achievement of defined project milestones.

• Review Lockout/Tagout (LOTO) activities and understand how to mitigate safety hazards.

• Attend meetings with Calpine stakeholders, contractors, vendors, engineers, inspectors, and regulatory agencies to ensure compliance and successful project execution.

• Review and understand application of codes and regulations, including ASME B31.1, Calpine Geysers Construction Specifications, Sonoma and Lake County Use Permits, and CEC/CPUC jurisdictional requirements.

• Collaborate to resolve complex construction and field issues while maintaining scope, budget, and schedule control.

• Support day‑to‑day operations and safety oversight for multiple construction crews across various Geysers sites.

• Manage inventory and chain‑of‑custody documentation for owner‑supplied materials.

• Provide comprehensive construction administration support, including RFIs, submittals, change orders, safety orientations, site access coordination, punch lists, and as‑built documentation.

• Support monthly forecasting and accruals in coordination with Engineering and Business Management teams.

Job Requirements

• Pursuing a degree in Mechanical Engineering, Electrical Engineering or Civil Engineering at an accredited college or university

• Senior standing, preferred.

• Legally eligible to work in the United States now and in the future for any company.

• Willingness to work outdoors, in field locations, in a "hands on" environment.

• Willingness to adhere to plant safety standards, procedures, and practices.

• Good comprehension of basic engineering practices.

• Good problem solving and analytical ability.

• Strong computer skills especially in the use of spreadsheet and word processing programs.

• Strong verbal and written communication skills.

• Good organization skills and attention to details are essential

• Must be flexible and able to work harmoniously with others in a dynamic environment.

• Must be able to self-start and manage multiple simultaneous tasks and priorities.

• Proficient in reading and interpreting engineering drawings, construction specifications, and applicable codes and standards.

• Working knowledge of ASME B31.1, building codes, and county use permit requirements.

• Experience overseeing contractors and construction projects.

• Strong proficiency in Microsoft Project and Microsoft Excel.

Constellation is proud to be an equal opportunity employer and employees or applicants will receive consideration for employment without regard to: age, color, disability, gender, national origin, race, religion, sexual orientation, gender identity, protected veteran status, or any other classification protected by federal, state, or local law.