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

Engineer, Sr. Mechanical

$122.4k - $154k

Constellation Energy

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

  • Mid-Level - $92,700-114,00
  • 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. 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&rsquos 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&rsquos 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

  • Engineer in training certification
  • Advanced degree (e.g. Masters) preferred
  • Power plant or industrial plant experience
Vacancy posted 2 hours ago
Similar jobs that could be interesting for youBased on the Engineer, Sr. Mechanical in Newark, IL vacancy
  • $151.2k - $168k

     ...our nuclear facilities where appropriate. We are seeking Engineers and other skilled technical experts to help Constellation, the...  ...Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 10 years of engineering experience... 
    Senior

    Constellation Energy

    Yorkville, IL
    3 days ago
  • $92.7k - $114k

     ...and sick days and much more. ***This Engineering role can be filled at the Mid-level or...  ...Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Ranges are...  ...civil/structural, electrical, industrial, mechanical or nuclear) with 2 years of nuclear or related... 
    Suggested
    Temporary work

    Constellation Energy

    Yorkville, IL
    2 hours ago
  • $87k

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

    Constellation Energy

    Newark, IL
    1 hour ago
  • $159k - $182k

     ...~1.5 years or more in a position equivalent to Reactor Operator (or Supervisor) at a military reactor (i.e., Power Plant Watch Engineer, Engineering Watch Supervisor, Reactor Operator, Engineering Officer of the Watch, Propulsion Plant Watch Supervisor). Must have 1... 
    Senior
    Hourly pay
    Traineeship
    Relocation package
    Shift work

    Constellation Energy

    Newark, IL
    21 hours ago
  • $183.6k - $204k

     ...Primary Purpose of Position Provide overall management of the engineering function of accountability. As responsibility increases...  ...Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) or related science OR Active/Inactive Senior... 
    Senior
    Temporary work
    Remote work
    Shift work

    Constellation Energy

    Yorkville, IL
    2 hours ago
  • $20 - $45 per hour

    Job Description Job Description We are looking for a Certified HVAC Service Technician to join our team! You will install, service, and repair heating and air conditioning systems. We also do work with boilers so experience with this would be great but not required...

    Kendall Plumbing Heating Co. Inc.

    Yorkville, IL
    17 days ago
  •  ...Uniforms Provided   What You Bring Work Ethic You show up. You work hard. You take pride in doing things right. Mechanical Curiosity If you’ve ever taken something apart just to figure out how it works — we want you. Valid Driver’s License You... 

    Just In Time Heating, Air Conditioning, & Plumbing Services

    Sandwich, IL
    4 days ago
  • $158.4k - $176k

    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...

    Constellation Energy

    Yorkville, IL
    2 days ago
  • Position Type: Administration/Assistant Principal Date Posted: 3/24/2026 Location: PH Miller School Date Available: 08/02/2026 Closing Date: Until Filled District: Plano Community Unit School District 88 TITLE: Assistant Principal - ...
    Work at office
    Local area

    Grundy/Kendall HR Consortium

    Plano, IL
    3 days ago
  • HVAC Installer As an HVAC Installer, you will play a crucial role in the installation, maintenance, and repair of HVAC systems in residential properties. You will be responsible for ensuring that HVAC units are installed correctly and operating efficiently to meet the...
    Local area

    Service Now Home Services

    Somonauk, IL
    1 day ago
  • Benefits: Health insurance Paid time off 401(k) Employee discounts Benefits/Perks Flexible Scheduling Competitive Compensation Career Advancement Opportunities Job Summary: We are looking for a skilled and experienced HVAC Technician to join our...
    Flexible hours

    Kendall Plumbing & Heating Co Inc

    Yorkville, IL
    4 days ago
  • $34 - $38 per hour

     ...over 3,000 dedicated professionals committed to our clients and each other. As an ENR Top 100 company, we provide comprehensive engineering, consulting, and automation services to various industries, including gas and electric utilities, telecommunication service providers... 
    Hourly pay
    Full time
    For contractors
    Seasonal work

    ENTRUST Solutions Group

    Yorkville, IL
    5 days ago
  • HVAC Service Technician As an HVAC Service Technician, you will be responsible for installation, maintenance, and repair of residential HVAC systems. You will also be responsible for diagnosing and troubleshooting systems. Key Responsibilities: Perform installation...
    Part time
    Local area

    Service Now Home Services

    Somonauk, IL
    1 day ago
  • $182.5k - $208.3k

     ...Responsibilities:* ## Engaging all stakeholders (Engineers, SDLC, Architecture, Risk, and Cyber)...  ...Engineering, Software Engineering, Mechanical Engineering, Information Systems or a related...  ....Chicago, IL: $182,500 - $208,300 for Sr. Mgr, Product ManagementMcLean, VA: $200,... 
    Senior
    Full time
    Part time
    Local area

    Capital One

    Plano, IL
    3 days ago
  • JLL is seeking a Mechatronics & Robotics Technician in Yorkville, Wisconsin. In this role, you will support the Operations Maintenance team in repairing and maintaining material handling equipment, including automated systems. You will also have the opportunity to mentor...

    JLL

    Yorkville, IL
    3 days ago
  • Job Description Job Description The Food Safety Director is responsible for leading Cox Farms' food safety strategy and ensuring the highest standards of food safety, regulatory compliance, and product integrity across all growing and production facilities. This role...
    Senior
    Work at office

    BrightFarms Inc

    Yorkville, IL
    21 days ago
  • $25 - $29 per hour

     ...and robotic applications. Troubleshoot and maintain existing robotic systems to ensure optimal performance. Collaborate with engineering teams to integrate mechatronic components into various systems. Conduct tests and evaluations of new technologies, documenting... 
    Full time

    MalaceHR

    Yorkville, IL
    13 days ago
  •  ...will act as the onsite store manager in the absence of the General Manager. In addition to their responsibilities within the store, the Sr Supervisor will work with cross functional partners to develop a broader understanding of the organization. PRIMARY... 
    Senior
    Contract work
    Work at office
    Local area
    Flexible hours
    Shift work
    Night shift
    Weekend work

    Dutchess Cannabis

    Plano, IL
    26 days ago

Do you want to receive more vacancies?

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