Engineer, Mechanical

Constellation • Byron, IL • 1d ago

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.

The Mechanical Engineer position is based out of our Byron Clean Energy facility in Byron, IL.

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 Mid-level or Senior Engineer level. Please see minimum qualifications list below for each level

Expected salary range:

Mid-Level - $95,000 - $105,000

Sr Level - $124,000- $138,000

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. 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 to identify and resolve equipment and system problems.

Provide complete task management of engineering issues.

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.

Recommend 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 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

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 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

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

Experience with raw water systems

Long term asset management

Troubleshooting emergent system issues

Professional Engineer Registration

Advanced technical degree or related coursework

Constellation is proud to be an equal opportunity employer and employees or applicants will receive consideration for employment without regard to: age, color, disability, gender, national origin, race, religion, sexual orientation, gender identity, protected veteran status, or any other classification protected by federal, state, or local law.

Similar Jobs

Manufacturing Engineer

Actalent • Seward, IL • 9h ago

IT & Engineering

Job Title: Manufacturing Engineer Job Description As a Manufacturing Engineer, you will create and maintain CNC programs across multiple controllers used in manufacturing, tooling, and maintenance. You will provide daily...

9h ago

Go to Apply

Manufacturing Engineer II - Sign on Bonus

Donaldson Company, Inc. • Dixon, IL • 1d ago

IT & Engineering

Donaldson is committed to solving the world's most complex filtration challenges. Together, we make cool things. As an established technology and innovation leader, we are continuously evolving to meet the filtration nee...

1d ago

Go to Apply

Manufacturing Engineer

Actalent • Loves Park, IL • 2d ago

IT & Engineering

Manufacturing Engineer ?Responsibilities Design and model parts and create new drawings from these designs. Develop new process plans and ensure their compliance with engineering drawings. Create routings and process dra...

2d ago

Go to Apply

Mechanical Engineer II (Onsite)

RTX Corporation • Rockford, IL • 2d ago

IT & Engineering

Date Posted: 2026-01-07 Country: United States of America Location: A01: Rockford - Aerospace 4747 Harrison Avenue, Rockford, IL, 61125 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requ...

2d ago

Go to Apply

Manufacturing Engineer II

USA Donaldson Company Inc. • Dixon, IL • 1w ago

IT & Engineering

1w ago

Go to Apply

Manufacturing Engineer

Actalent • Rockford, IL • 1w ago

IT & Engineering

1w ago

Go to Apply

Electrical (Test & Validation) Engineer Co-Op (Summer & Fall 2026)(Onsite)

RTX Corporation • Rockford, IL • 2w ago

IT & Engineering

Date Posted: 2025-12-23 Country: United States of America Location: A01: Rockford - Aerospace 4747 Harrison Avenue, Rockford, IL, 61125 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requ...

2w ago

Go to Apply

Manufacturing Engineer

Actalent • Machesney Park, IL • 2w ago

IT & Engineering

Responsibilities Design and model parts and create new drawings from these designs. Develop new process plans and ensure their compliance with engineering drawings. Create routings and process drawings to determine fixtu...

2w ago

Go to Apply

(USA) Technician, Low Voltage

Walmart • Roscoe, IL • 2w ago

IT & Engineering

Position Summary... What you'll do... Low Voltage Job Description This position is responsible for assisting in the operation of multiple facilities. An individual in this position will be expected to perform additional...

2w ago

Go to Apply

Casting Technology Manufacturing Engineer

GE Aerospace • Loves Park, IL • 2w ago

IT & Engineering

Job Description Summary The Senior Casting Technology Manufacturing Engineer provides technical leadership for SX or equiax investment castings across the value stream. You will partner with suppliers and cross-functiona...

2w ago

Go to Apply

Subscribe to get new jobs sent directly to you
(no charge, cancel anytime)

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.