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Constellation Energy · Middletown, California

# 2027 Environmental Intern - Geysers

Middletown, California Full-time Early career 

Listed on Constellation Energy’s official careers site. Posted October 20, 2026. Check that it is still open and apply there.
[Apply on Constellation Energy’s careers site →](https://careers-constellationenergy.icims.com/jobs/140246/login)

[OpenNash Jobs](https://jobs.opennash.com/) / [Constellation Energy](https://jobs.opennash.com/companies/constellation-energy/) / 2027 Environmental Intern - Geysers

## Job description

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 environmental students for 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
- Currently pursuing a degree in engineering, natural or physical sciences, chemistry or environmental science
- Familiarity with environmental core principles and programs such as water quality, air quality and waste management
- Excellent verbal and written communication skills
- Ability to manage multiple tasks simultaneously
- Ability to work both independently and collaboratively in a team environment
- Valid driver’s license with the ability to navigate mountainous terrain.

## At a glance
- Posted by the employer: Oct 20, 2026
- First seen by OpenNash: Oct 25, 2026
- Last checked: Nov 1, 2026
- Listed for: 12 days
- Location: Middletown, California
- Employment type: Full-time[Apply on Constellation Energy’s careers site →](https://careers-constellationenergy.icims.com/jobs/140246/login)

## Hiring at Constellation Energy
- Open jobs: 341
- New in the last 7 days: After two weekly collections
- Tracked since: Jul 10, 2026

[All Constellation Energy jobs](https://jobs.opennash.com/companies/constellation-energy/) · [Weekly hiring report](/reports/hiring/)

## More jobs at Constellation Energy

### [2027 Geoscience Intern - Geysers](https://jobs.opennash.com/companies/constellation-energy/jobs/a4d38c349edda389b47d/)

Middletown, California

### [2027 Chemical Engineering Intern - Geysers](https://jobs.opennash.com/companies/constellation-energy/jobs/d6d0fb89f2b66dee38d0/)

Middletown, California

### [2027 Corrosion & Process Engineering Intern - Geysers](https://jobs.opennash.com/companies/constellation-energy/jobs/5b5625afd598fc797b8d/)

Middletown, California

### [2027 Data & Digital Transformation Intern - Geysers](https://jobs.opennash.com/companies/constellation-energy/jobs/43e10eea522bf0318656/)

Middletown, California

### [2027 Geothermal Production Analytics Engineering Intern - Geysers](https://jobs.opennash.com/companies/constellation-energy/jobs/f97849ec4f1c2ce12c50/)

Middletown, California

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