Engineer, Mechanical Sr

Constellation Energy
Wilmington, IL

Who We Are

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 productionfor 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.

Total Rewards

Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits 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***

  • Mid-Level - $92,700-114,000
  • Sr Level - $122,400-154,000

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

Primary Purpose of Position

Performs advanced technical/engineering problem solving in support of nuclear plant operations while acting as a resource and technical expert to engineers. Responsible for technical decisions. Possesses excellent knowledge in functional discipline and its practical application and has detailed knowledge of applicable industry codes and regulations.

Primary Duties and Accountabilities

  • Provide in-depth technical expertise to develop, manage and implement engineering analysis, activities and programs.
  • Provide technical expertise and consultation through direct involvement and as a subject matter expert when consulted to identify and resolve equipment and system problems
  • Directly fulfill engineering and technical leadership accountability regarding short-term and long-term programs that impact site operations
  • Perform engineering tasks as assigned by supervision applying engineering principles.
  • Accountable for the accuracy, completeness, and timeliness of work ensuring proper configuration management and assuring that standard design criteria, practices, procedures and codes are used in preparation of plans and specifications.
  • Perform independent research, reviews, studies and analyses in support of technical projects and programs.
  • Recommends equipment, new concepts and techniques to improve performance, simplify construction, reduce costs, correct design or material flaws, or comply with changes in codes or regulations.
  • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department.

Minimum Qualifications

  • Bachelor's degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 5 years of nuclear experience or related engineering experience
  • Must meet additional requirements as outlined in ANSI/ANS-3.1-2014 Standard, "Selection, Qualification, and Training of Personnel for Nuclear Power Plants"
  • Maintain minimum access requirement or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties

Preferred Qualifications

  • Professional Engineer Registration
  • Advanced technical degree or related coursework
Posted 2026-07-04

Recommended Jobs

Associate Director, International Marketing Analytics & Business Insights - Immunology, Rinvoq

AbbVie
Illinois

Company Description About AbbVie AbbVie's mission is to discover and deliver innovative medicines and solutions that solve serious health issues today and address the medical challenges of to…

View Details
Posted 2026-06-30

Finance and Strategy Partner

Stripe
Chicago, IL

Who we are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world's largest enterprises to the most ambitious startups—use Stripe to accept pay…

View Details
Posted 2026-07-03

Cafe Shift Leader

COLECTIVO COFFEE ROASTERS
Chicago, IL

Job Description Job Description Description: Title : Café Shift Leader Department : Retail Reports to : Café Manager Status : Full Time Exempt: Non-Exempt POSITION SUMMARY …

View Details
Posted 2026-07-02

Service Advisor

Meineke - 2275
South Elgin, IL

Job Description Job Description Benefits: ~401(k) ~401(k) matching ~ Health insurance ~ Paid time off ~ Training & development Benefits/Perks Competitive Compensation Career A…

View Details
Posted 2026-06-25

CLASS A CDL DRIVERS NEEDED-REGIONAL ROUTE-HOME WEEKLY

H&H Recruiting
Manteno, IL

Job Description Job Description Class A CDL Drivers Needed ASAP- Regional Route- Home Weekly Average pay of $1500 per week, per mile and stop pay package. Requires a Class A CDL and at leas…

View Details
Posted 2026-06-25

Brand & Portfolio Demand Manager

Constellation Brands
Chicago, IL

Job Description The Manager, Brand and Portfolio Demand Planning, is accountable for working cross functionally with strategic Commercial Teams, such as Marketing, Innovation and Finance to build an…

View Details
Posted 2026-07-04

Staff Accountant

Kemper CPA Group
Mattoon, IL

Job Description Job Description Kemper CPA Group LLP, a top 100 public accounting firm, is a multifaceted regional CPA firm with 26 offices in Indiana, Illinois, Kentucky, and California. We are …

View Details
Posted 2026-03-27

Fund Formation - Investment Management Associate

5 Legal
Chicago, IL

Job Description Job Description A Top 100 AmLaw firm seeks an associate to join their Transactions Practice Group. JD years 2017-2021. Qualified candidates must have solid fund formation and…

View Details
Posted 2026-06-20

Rheumatologist

Mattoon, IL

Rheumatologist Compensation: $350,000 per year Job Type: Full-Time | High Scheduling Flexibility | Standard 5-Day Week or Optional 4-Day Work Week Available Location: Mattoon, Illinois (w…

View Details
Posted 2026-06-25

Daycare Teacher/ Assistant Director

KINGS KIDDIE KINGDOM INC
Chicago, IL

Job Description Job Description   King's Kiddie Kingdom is looking to immediately hire friendly, professional and motivated early childhood teachers to join our fast growing team. We need DCFS q…

View Details
Posted 2026-03-27