About the role#
This is a paid, full-time internship for Summer 2027 based in Warrenville, Illinois. You will work on-site at our Cantera office for approximately 10 weeks, from June 7, 2027, through August 13, 2027. You will gain hands-on experience by completing specific projects while working independently under the guidance of an assigned supervisor and technical mentor.
What you'll do#
You will contribute to engineering projects that support our energy operations. Potential assignments include:
- Cooling tower drone inspections
- Nuclear core analysis
- Control circuit wiring design for feedwater pumps
- Thermal overload calculations for motor-operated valves
- Seismic monitoring instrumentation upgrades
- Weld overlay calculations on feedwater heaters
- Hydrogen electrolyzer projects
What you'll need#
- Enrollment in a bachelor's or master's engineering program for Fall 2027
- A major in Electrical, Mechanical, Nuclear, Civil, or Chemical Engineering
- A minimum cumulative GPA of 2.8 and a minimum major GPA of 3.0
- A record of strong academic performance
- Ability to work creatively and analytically in a team setting
- Strong leadership, interpersonal, and communication skills
- Ability to work in the United States without current or future visa sponsorship
Location & details#
- Location: Warrenville, IL
- Modality: On-site
- Duration: Summer 2027
About Constellation
Constellation is a power producer based in Baltimore. Founded in 2022, the company operates as a public entity with over 10,000 employees. It manages a diverse energy portfolio that includes nuclear, natural gas, wind, and solar facilities. The firm provides electricity to more than 2.5 million residential and commercial customers across the United States.
How to get in at Constellation
Applying early is your best strategy at Constellation because recruiters review candidates in the order they arrive. Intern Insider sends an instant alert the moment a role matching your target is published anywhere, so you apply among the first and get seen before the pile grows. Reaching out to the right person often beats applying into a queue. Intern Insider surfaces the recruiters behind the company roles so you can contact them directly to ask about the position or a referral, which materially improves your response rates.



