Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Mechanical Engineer

$87k

Constellation Energy

Job Description

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 production for 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.

The Mechanical Engineer position is based out of our LaSalle County Generating Station in Marseilles, IL.
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 Entry-level, Mid-level or Senior Engineer level. Please see minimum qualifications list below for each level***********************************

Entry Level - $87,000

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 for Entry Level E01 Engineer &ndash New Graduate

  • B.S 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

  • B.S. in Engineering, a minimum 2 years 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 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

  • B.S. in Engineering, a minimum 5 years 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 requirements 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
Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Mechanical Engineer in Yorkville, IL vacancy
  • $87k

     ...hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes. \n   \n The Mechanical Engineer position is based out of our LaSalle County Generating Station in Marseilles, IL. \n Our culture and employee experience make... 
    Suggested
    Temporary work

    Constellation Energy

    Yorkville, IL
    4 days ago
  • $87k

     ...geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes.   The Mechanical Engineer position is based out of our LaSalle County Generating Station in Marseilles, IL. Our culture and employee experience make... 
    Suggested
    Temporary work

    Constellation Energy

    Oswego, IL
    1 day ago
  • $120k - $150k

     ...performance, Made in America production. About the team: The Project Engineering team is a multidisciplinary engineering group within Automation Engineering Group, bringing mechanical, electrical, and controls engineering together under a single organization. The... 
    Suggested
    Permanent employment
    Full time
    Temporary work
    Remote work
    Relocation
    Home office
    Flexible hours
    Shift work

    Formic

    Oswego, IL
    18 days ago
  •  ...Type: PermanentPay: $90000 - $110000Posted: 2026-08-10Tooling Engineer - Plastics Schedule: Full-time, onsite, Monday-Friday, 8:00 AM...  ...travel to China. Required QualificationsBachelor’s degree in Mechanical Engineering, Plastics Engineering, Manufacturing Engineering,... 
    Suggested
    Full time
    Monday to Friday

    Sterling Engineering

    Plano, IL
    3 days ago
  • $122.4k - $154k

     ...vacation, holidays, and sick days and much more. \n   \n ***This Engineering role can be filled at the Senior Engineer level. Please see...  ...(Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 5 years of nuclear experience or related engineering... 
    Suggested

    Constellation Energy

    Oswego, IL
    9 days ago
  •  ...Packaging Engineer Packaging Engineer JOB DESCRIPTION Department: Commercial / Brand Partnerships Status: Full Time...  ...: ? Bachelor's degree in Packaging Engineering, Mechanical Engineering, Materials Science, or a related field ? 25+ years... 
    Full time
    Work at office
    Overseas

    Nanophase

    Bristol, IL
    2 days ago
  •  ...Mechanical Design Engineer Location: Bolingbrook, IL Schedule: Full-Time | On-Site Industry: Mechanical Construction / HVAC About the Opportunity A growing mechanical contractor in the Chicagoland area is looking to add a Mechanical Design Engineer to its... 
    Full time
    For contractors
    For subcontractor

    Engtal

    Bolingbrook, IL
    1 day ago
  • $35 - $40 per hour

     ...Title : Mechanical Design Engineer Location : Near Lemont, IL Hire Type: Contract to Hire with Full Benefits Salary : $35-$40/hr. Benefits : As a contract employee of Sterling, you are eligible to receive a Full Employee Benefits Package that includes paid... 
    Contract work

    Sterling Engineering

    Bolingbrook, IL
    6 hours ago
  •  ...OVERVIEW: MBC Aerosol is currently seeking a motivated individual to join our Mechanical Design team. The role of a Senior Mechanical Machine Design Engineer will be to take industrial automation projects from an initial kick-off meeting to working completion through... 
    Full time
    Work at office

    MBC Aerosol Filling Machinery

    South Elgin, IL
    3 days ago
  •  ...Company Description As a global engineering solutions firm that plays a leading role in the areas of plants, architecture and asset...  ...Job Summary We are seeking a detail-oriented and proactive Mechanical Construction Engineer to join our project. The candidate will... 
    Contract work
    Work experience placement
    For subcontractor
    Work at office

    Hyundai Engineering America, Inc.

    Channahon, IL
    3 days ago
  • $92k - $114k

     ...leader that pushes the boundaries of ingenuity, bringing precision-engineered food processing equipment, aftermarket parts and service to...  ...by exploring our videos at jobs.jobvite.com/provisur!As a Mechanical Engineer II, you'll manage projects from customer needs through... 
    Full time
    Local area

    Provisur Technologies

    Mokena, IL
    1 day ago
  • $76k

     ...direct supervision, in support of nuclear plant operations. \n   \n Primary Duties and Accountabilities \n \n Assure all engineering products prepared are in accordance with applicable safety analyses, industry codes, engineering specifications and all... 

    Constellation Energy

    Yorkville, IL
    20 days ago
  • $74.73k - $97.19k

     ...Mechanical Design Engineer II The Mechanical Design Engineer II within our Production Engineering team is responsible for designing customer specified custom switchgear products to our G&W’s quality standard. This position will specialize in our entire catalog of overhead... 
    Temporary work
    For contractors
    Local area
    Worldwide

    G & W Electric Company

    Bolingbrook, IL
    3 days ago
  •  ...Mechanical Engineer A family-owned Aerospace company, Dynomax designs, manufactures and develops high-precision machined components, injection molding and tooling, sub-assemblies, automated work cells, and specialty machines since 1986. We are seeking a hands-on... 
    Temporary work

    Dynomax

    Carpentersville, IL
    1 day ago
  • $124.8k - $164.2k

     ...market pay for comparable jobs. About the Role The Fermilab Infrastructure Services Division (ISD) is seeking a Principal Mechanical Engineer. This individual is responsible for major, complex, high-level engineering projects requiring engineering creativity in... 
    Temporary work
    For subcontractor
    Work at office
    Local area
    Flexible hours

    Fermilab

    Batavia, IL
    1 day ago
  •  ...Mechanical Design Engineer Chicago, IL || Bolingbrook, IL Formic is on a mission to reshape American manufacturing by making automation accessible to every factory. As labor constraints rise, costs increase, and global competition intensifies, automation is no longer... 
    Permanent employment
    Full time
    Relocation

    Formic

    Bolingbrook, IL
    5 days ago
  •  ...We have a fantastic opportunity for a Mechanical Design Engineer to join a specialist engineering team delivering complex projects across the nuclear sector. This role will support the delivery of engineering activities from concept and FEED studies through to detailed... 
    Flexible hours

    CIBSE Journal

    Hampshire, IL
    5 days ago
  • $99.5k - $130.9k

     ...for comparable jobs. This position is not eligible for sponsorship assistance. About the Role: We are seeking a Mechanical Engineer to become the Main Injector/Recycler (MI/RR) Primary Machine Engineer who is a collaborator by nature and who seeks out the... 
    Temporary work
    For contractors
    Work at office
    Flexible hours
    Shift work

    Fermi Research Alliance

    Batavia, IL
    2 days ago
  •  ...Job Description Job Description We are seeking an experienced Mechanical Engineer to design, develop, maintain, and support Minuteman’s full line of commercial and industrial electro-mechanical equipment and innovative projects. The ideal candidate will have strong... 
    Work at office
    Flexible hours

    Minuteman International

    Hampshire, IL
    5 days ago
  • $80k - $100k

     ...Lockport, NY Your Contribution: As a Test and Validation Engineer – HVAC reporting to the Head of AC Testing – NA, you will...  ...cooling components. Requires multidisciplinary electrical and mechanical engineering background supporting industrial test equipment, process... 
    Currently hiring

    MAHLE GmbH

    Lockport, IL
    more than 2 months ago
  • $70k - $80k

     ...Mechanical Engineer II - Controls OTTO's opportunity: Our Mechanical Engineer II will develop products through design layout and analysis, prototyping, testing and documentation that meet or exceed customer marketing specifications with regards to performance, appearance... 
    Temporary work

    OTTO Engineering

    Carpentersville, IL
    5 days ago
  •  ...Aegis is partnering with a manufacturer in Plainfield looking to identify a ***Senior Mechanical Engineer ***to join their growing team!Why Should This Excite You?Privately held & GROWING companyTight-knit family oriented environmentAll custom, one-off projectsWhat You... 

    100Hires, Inc.

    Plainfield, IL
    3 days ago
  •  ...fabrication, operation, application, installation, and repair of mechanical or electromechanical systems. Experienced in a dual...  ...Responsibilities: Perform mechanical design and engineering work on new products, special products, proposals and customer... 
    Work at office
    Flexible hours

    Macpower Digital Assets Edge

    Elgin, IL
    4 days ago
  •  ...Your Contribution  As a HVAC Engineering Intern - Validation Test Support reporting to Head of AC Application Engineering....  ...Experience & Qualifications Pursuing Bachelor’s degree in Mechanical Engineering Currently enrolled in Sophomore or Junior year... 
    Internship
    Currently hiring

    MAHLE GmbH

    Lockport, IL
    14 days ago
  • $95k - $115k

     ...Your Contribution As a Product Engineer in our NA HVAC Heat Exchanger Group, you will support AC-HX product application and validation...  ...Knowledge and capability to analyze Aluminum Alloy corrosion mechanisms required. Knowledge and ability to read and understand... 
    Currently hiring

    MAHLE GmbH

    Lockport, IL
    11 days ago
  • $105.8k - $132.24k

     ...excellence with execution capability to extend asset life, optimize performance, and maximize value. Overview The Senior Mechanical Engineer is and individual contributor responsible for the mechanical design and analysis of assigned deliverables for CB&I projects... 
    Permanent employment
    Full time
    Temporary work
    Part time
    For contractors
    Work at office
    Local area

    CB&I

    Plainfield, IL
    5 days ago
  • $111.4k - $146.6k

     ...for comparable jobs. About the Role: The Fermilab Infrastructure Services Division (ISD) is seeking a Senior Mechanical Engineer . This individual is responsible for upper-level engineering projects requiring engineering creativity in developing innovative... 
    Temporary work
    For contractors
    For subcontractor
    Work at office
    Local area
    Flexible hours

    Fermi Research Alliance

    Batavia, IL
    5 days ago
  •  ...Job Description Job Description Mechanical Design Engineer II The Mechanical Design Engineer II  is responsible for advanced design and concept changes once the machine has reached the Design stage, keeping intact the requirements as defined by the Concept Group... 
    Temporary work
    Casual work
    Flexible hours

    Haumiller Engineering Co

    South Elgin, IL
    a month ago
  • $25 - $65 per hour

     ...Job Description Job Description Automotive Technician / Auto Mechanic Top Pay • Steady Work • No Drama • Well-Equipped Shop We’...  ...maintenance Able to handle brakes, suspension, steering, engine repair, electrical, and drivability Comfortable using scan... 
    Full time
    Monday to Friday

    J & Z AUTO REPAIR INC

    Oswego, IL
    17 days ago
  • $130k - $150k

     ...Corporation, is seeking a highly motivated and result-oriented Plant Engineer to join our team. The Plant Engineer, under the general...  ...REQUIRED EDUCATION AND EXPERIENCE: Bachelor's degree in Mechanical Engineering ~7-10 years of experience in manufacturing engineering... 
    Contract work
    Temporary work
    For contractors
    Local area
    Worldwide
    Relocation package

    Sun Chemical Corporation

    Joliet, IL
    more than 2 months ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Mechanical Engineer. Be the first to apply!