Engineer, Mechanical

Constellation
Oswego, IL

WHO WE ARE

As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. 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.

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 and help fight climate change. Join us to lead the clean energy future.

TOTAL REWARDS

Constellation offers a wide range of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, we offer a bonus program, 401(k) with company match, employee stock purchase program; comprehensive medical, dental and vision benefits, including a robust wellness program; paid time off for vacation, holidays, and sick days; and much more.

***This Engineering role can be filled at the Entry, Mid-level or Senior Engineer level. Please see minimum qualifications list below for each level***

Expected salary range:

  • Entry-Level - $85,000
  • Mid-Level - $90,000 - $110,000
  • Sr Level - $117,000- $143,000

Ranges are per year based on experience, along with a comprehensive benefits package that includes bonus and 401K.

PRIMARY PURPOSE OF POSITION

Responsible for performing engineering and technical tasks, under direct supervision, in support of nuclear plant operations.

PRIMARY DUTIES AND ACCOUNTABILITIES

  • Assure all engineering products prepared are in accordance with applicable safety analyses, industry codes, and all regulatory requirements.
  • Perform engineering and technical tasks as assigned by supervision.
  • Support engineering work functions.
  • All other job assignments and/or duties pursuant to company policy or as directed by management to include but not limited to: (Emergency Response duties and/or coverage, Department duty coverage and/or call out, and positions outside of department in support of outage activities etc.)

MINIMUM QUALIFICATIONS for Entry Level E01 Engineer ? New Graduate

  • Bachelor?s degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear)
  • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties

MINIMUM QUALIFICATIONS for Mid-level E02 Engineer

  • Bachelor?s degree in engineering (chemical, civil/structural, electrical, industrial, mechanical or nuclear) with 2 years of nuclear or related engineering experience
  • Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties

MINIMUM QUALIFICATIONS for Senior E03 Engineer

  • Bachelor?s degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 5 years of nuclear experience or related engineering experience
  • Maintain minimum access requirement or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties

PREFERRED QUALIFICATIONS

  • Engineer in Training Certification
Posted 2026-03-24

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