COMPANY HIRING GUIDE
How to apply to Constellation
What Constellation is hiring for and what its application asks, from the postings and application forms we checked. Newest posting added 2026-10-02.
- 320 open roles across 40 job titles
- 320 new open roles in the last 30 days
- Applications on iCIMS
- Locations: Lusby, MD, MD; Marseilles, IL, IL; Baltimore, MD, MD; Oswego, NY, NY; Remote · Baltimore, US; Braceville, US; Morris, IL, IL; Clinton, IL, IL
Constellation iCIMS careers site and sign-in
Constellation posts the jobs listed here on iCIMS, its applicant tracking system, at careers-constellationenergy.icims.com. To apply, open a posting below and follow its link to apply on Constellation’s site. If that site asks you to sign in, use or create an account there: it is separate from your Applystead account.
Which applicant tracking system does Constellation use?
The Constellation postings listed here are hosted on iCIMS (332 open postings) and Ashby (7 open postings), where you apply.
Hiring signals
- Pay transparency: 59% of open postings list pay set by the employer (200 of 339 postings)
- Postings list updated:
Open roles at Constellation
Engineer
Morris, IL, IL; Oswego, NY, NY; Marseilles, IL, IL
Summer 2027 Engineering Internship
Pottstown, US; Warrenville, US; Baltimore, US
Summer 2027 Technical Engineering Internship
Oswego, US; Clinton, US; Coatesville, US
Reactor Operator
Braceville, US; Clinton, US; Cordova, US
Summer 2027 Design Engineering Internship
Braceville, US; Byron, US; Clinton, US
Electrical Engineer
Lusby, MD, MD; Marseilles, IL, IL; Marseilles, US
Summer 2027 Strategic/Systems Engineering Internship
Byron, US; Clinton, IL, IL; Delta, US
Work Week Manager
Marseilles, IL, IL; Braceville, IL, IL; Braceville, US
Engineering Analyst
Darlington, MD, MD; Lusby, MD, MD; Marseilles, IL, IL
2027 Summer C&I Gas Sales Intern
Remote · Austin, TX, TX; Remote · Minneapolis, US; Remote · Omaha, US
Analyst
Baltimore, MD, MD
Chemist
Byron, US; Byron, IL, IL
Dry Cask Storage Specialist
Pottstown, PA, PA; US
Manager
Lusby, MD, MD; Remote · San Diego, US
Mechanical Engineer
Byron, US; Marseilles, US
Project Manager
College Park, US; Lusby, MD, MD; Pearl River, NY, NY
Summer 2027 Radiation Protection Engineering Internship
Byron, US; Middletown, US; Pottstown, US
Other openings at Constellation
2027 Summer Nuclear Human Resources Operations Intern (Oswego, NY)
Oswego, US
2027 Summer Nuclear Human Resources Operations Intern (Lusby, MD)
Lusby, US
2027 Summer Power Sales Support Intern (Baltimore, MD)
Remote · Baltimore, US
2027 Summer Power Sales Support Intern (Houston, TX)
Remote · Houston, US
Auxiliary Operator Trainee
Ontario, NY, NY
Auxiliary Operator Trainee
Lusby, MD, MD
Director - Audit Services
Location not listed
Director - Digital Technology Audit
Location not listed
Electrical Technician
Indiana, PA, PA
Electrical Technician
Baltimore, MD, MD
Senior Financial Analyst/Financial Analyst
Middletown, PA, PA
Senior Financial Analyst/Financial Analyst
Braceville, IL, IL
Sr Journeyman HVAC Commercial
Baltimore, MD, MD
Journeyman HVAC Commercial
Baltimore, MD, MD
2027 Engineering Internship - Braceville, IL
Braceville, US
2027 Summer Corporate Strategy Intern (Baltimore, MD)
Remote · Baltimore, US
2027 Summer External Affairs & Growth Intern (Washington
Remote · Washington, DC, DC
2027 Summer Gas Sales Support Intern (Kennett Square, PA)
Remote · Kennett Square, US
2027 Summer IT Data Engineering Intern
Remote · Baltimore, MD, MD
2027 Summer Origination Intern (Baltimore, MD)
Remote · Baltimore, US
2027 Summer Sustainability and Climate Strategy Intern
Remote · Baltimore, MD, MD
Auxiliary Fuel Handler
Cordova, IL, IL
Cycle Manager
Lusby, MD, MD
Data Collection Technician
San Francisco, US
Sr Data Engineer, AI
Location not listed
Associate Equipment Operator
Oswego, NY, NY
Associate Financial/Tax Analyst
Location not listed
Intern (Fall/Winter/Summer)
San Francisco, US
Principal Labor Relations Specialist
Location not listed
Leadership Development Instructor
Location not listed
Internships at Constellation
38 internship or student openings listed here, the earliest posted 2026-09-24.
Summer 2027 Technical Engineering Internship - Morris, IL (ASSOCIATE'S DEGREE ONLY)
Morris, US
Summer 2027 Technical Engineering Internship - Oswego, NY (ASSOCIATE'S DEGREE)
Oswego, US
Summer 2027 Engineering Internship - Morris, IL
Morris, US
Summer 2027 Engineering Internship - Baltimore, MD
Baltimore, US
Summer 2027 Engineering Internship, Kennett Square - PA
Kennett Square, US
Summer 2027 Engineering Internship - Limerick, Pottstown, PA
Pottstown, US
Summer 2027 Engineering Internship - Kennett Square, PA
Warrenville, US
Summer 2027 Technical Engineering Internship - Lusby, MD (ASSOCIATE'S DEGREE ONLY)
Lusby, US
Summer 2027 Technical Engineering Internship - Ontario, NY (ASSOCIATE'S DEGREE ONLY)
Ontario, US
Summer 2027 Technical Engineering Internship - Oswego, NY (ASSOCIATE'S DEGREE ONLY)
Oswego, US
Constellation hiring process: how to apply
From the Constellation postings listed here.
- Choose a role above and open its posting.
- Apply on Constellation’s iCIMS application page (how to apply on iCIMS).
Related companies
Employers in the same industry as Constellation or on the same application system, hiring now.
Prepare your Constellation application
Free tools for your Constellation application
- Career change cover letter generator
- STAR method answer generator
- Resume buzzword checker
- Cold email to a recruiter template
- Which application system does a company use?
Guides
Questions about applying
What ATS does Constellation use?
The Constellation postings listed here are hosted on iCIMS (332 open postings) and Ashby (7 open postings), where you apply. Constellation has 320 open roles listed here.
Is Constellation hiring right now?
Yes. Constellation has 320 open roles listed as of 2026-10-05.