Senior Mechanical Engineer

1 day ago


Warrenville, Illinois, United States Constellation Energy Full time
About Constellation Energy

Constellation Energy is the nation's largest producer of clean, carbon-free energy. Our purpose is to accelerate the transition to a carbon-free future. We have been the leader in clean energy production for over a decade, 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.

Our Mission

We are creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation Energy, 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.

Total Rewards

Constellation Energy 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.

Job Summary

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

Expected Salary Range

Sr Level - $115,000-$141,000
Sr Staff - $138,000-$154,000

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
  1. Provide in-depth technical expertise to develop, manage, and implement engineering analysis, activities, and programs.
  2. Provide technical expertise and consultation through direct involvement and as a subject matter expert when consulted to identify and resolve equipment and system problems.
  3. Directly fulfill engineering and technical leadership accountability regarding short-term and long-term programs that impact site operations.
  4. Perform engineering tasks as assigned by supervision applying engineering principles.
  5. 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.
  6. Perform independent research, reviews, studies, and analyses in support of technical projects and programs.
  7. 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.
Minimum Qualifications

Sr E03 Engineer: B.S. in Engineering or Licensed Professional Engineer and 5+ years engineering experience

Sr Staff E04 Engineer: B.S. in Engineering or Licensed Professional Engineer and 10+ years engineering experience



  • Warrenville, Illinois, United States Sargent & Lundy, LLC Full time

    Senior Mechanical EngineerWe are seeking a highly skilled Senior Mechanical Engineer to join our Nuclear Power Group at Sargent & Lundy, LLC.About the RoleThis role involves working as a Mechanical Engineer, responsible for the design, development, and implementation of mechanical systems for power plants. The ideal candidate will have a strong background in...


  • Warrenville, Illinois, United States Sargent & Lundy, LLC Full time

    About the RoleWe are seeking a highly skilled Senior Mechanical Engineer to join our team at Sargent & Lundy, LLC. As a key member of our Mechanical Engineering Department, you will play a critical role in the design, development, and implementation of mechanical systems for our nuclear power projects.Key ResponsibilitiesLead the design and development of...


  • Warrenville, Illinois, United States Constellation Full time

    About the RoleWe are seeking a highly skilled Senior Mechanical Engineer to join our team at Constellation. As a key member of our engineering team, you will be responsible for providing technical expertise and leadership in the development, implementation, and maintenance of mechanical systems.Key ResponsibilitiesProvide technical guidance and support to...


  • Warrenville, Illinois, United States Constellation Energy Full time

    About the RoleConstellation Energy is seeking a highly skilled Senior Mechanical Engineer to join our team. As a key member of our engineering department, you will be responsible for providing technical expertise and leadership in the development, implementation, and management of engineering projects and programs.Key ResponsibilitiesProvide in-depth...


  • Warrenville, Illinois, United States Constellation Energy Full time

    About Constellation EnergyConstellation Energy is the nation's largest producer of clean, carbon-free energy, accelerating the transition to a carbon-free future. Our purpose is to cultivate a workplace where employees can grow, thrive, and contribute.Job SummaryWe are seeking a Senior Mechanical Engineer to perform advanced technical/engineering problem...


  • Warrenville, Illinois, United States Sargent & Lundy Full time

    About the RoleWe are seeking a highly skilled Mechanical Engineer to join our Nuclear Power Group. As a key member of our team, you will be responsible for designing and analyzing mechanical systems for nuclear power plants.Key ResponsibilitiesDevelop and review modification packages for operating nuclear power plantsPrepare and review functional mechanical...

  • Mechanical Engineer

    3 weeks ago


    Warrenville, Illinois, United States Constellation Energy Generation, LLC. Full time

    About Constellation Energy Generation, LLC.We are a leading provider of clean, carbon-free energy, committed to meeting the challenges of the climate crisis. Our company is built on a purpose to accelerate the transition to a low-carbon or no-carbon power future, providing our customers and communities with options to buy, manage, and use energy as part of...


  • Warrenville, Illinois, United States Constellation Energy Full time

    Company OverviewConstellation Energy is a leading provider of clean, carbon-free energy. With a decade of experience in the industry, we are committed to accelerating the transition to a low-carbon future. Our mission is to provide our customers and communities with options to buy, manage, and use energy as part of their decarbonization journey.Total...


  • Warrenville, Illinois, United States Constellation Energy Generation, LLC. Full time

    Position Overview:Company BackgroundConstellation Energy Generation, LLC is a leading provider of clean, carbon-free energy solutions, dedicated to addressing the challenges posed by climate change. With over a decade of experience in clean energy production, we are expanding our capabilities to deliver low-carbon energy options to a wider audience, ensuring...


  • Warrenville, Illinois, United States Constellation Energy Full time

    ABOUT USConstellation Energy stands as the foremost provider of clean, carbon-neutral energy in the nation, dedicated to our mission: facilitating the shift towards a sustainable future. With over a decade of leadership in the clean energy sector, we are nurturing an environment where our workforce can flourish, excel, and make meaningful contributions.Our...


  • Warrenville, Illinois, United States Constellation Energy Full time

    ABOUT USAs the leading provider of clean, carbon-neutral energy in the nation, Constellation is dedicated to our mission: expediting the shift towards a carbon-free future. For over a decade, we have been at the forefront of clean energy generation, fostering an environment where our workforce can develop, excel, and contribute meaningfully.Our culture and...


  • Warrenville, Illinois, United States Sargent & Lundy Full time

    About the RoleThis is a challenging and rewarding opportunity for a Senior Mechanical Engineer to join our Nuclear Power Group at Sargent & Lundy. As a key member of our team, you will be responsible for designing and developing nuclear power plant systems and equipment.Key ResponsibilitiesDesign and develop nuclear power plant systems and equipment,...


  • Warrenville, Illinois, United States Sargent & Lundy Full time

    Position OverviewSargent & Lundy is in search of a Mechanical Engineer specializing in the design of systems for nuclear power facilities. This position provides a flexible work model, allowing for a combination of in-office and remote work.Key ResponsibilitiesDevelop and prepare modification packages and engineering analyses.Create technical specifications...


  • Warrenville, Illinois, United States Sargent & Lundy Full time

    Job Title: Senior Mechanical HVAC DesignerThis is a senior-level position that requires a high degree of expertise in mechanical HVAC design. The successful candidate will have a strong background in developing mechanical HVAC duct layout, HVAC support design, and HVAC equipment layout drawings in a 3D model.Key Responsibilities:Develop mechanical HVAC...


  • Warrenville, Illinois, United States Constellation Full time

    COMPANY OVERVIEWConstellation stands as the leading provider of clean, carbon-neutral energy in the nation, strategically designed to tackle the pressing challenges posed by the climate crisis. With over a decade of leadership in clean energy production, we are expanding our operations and capabilities. Our mission is to accelerate the delivery of low-carbon...


  • Warrenville, Illinois, United States Sargent & Lundy Full time

    About the RoleThis position offers a unique opportunity to work with a multidisciplinary engineering and design project team in developing mechanical HVAC duct layout, HVAC support design, and HVAC equipment layout drawings in a 3D model.Key ResponsibilitiesUnder the direction of the Mechanical HVAC Project Lead, develop mechanical HVAC design deliverables,...

  • Mechanical Engineer

    2 days ago


    Warrenville, Illinois, United States Constellation Energy Generation, LLC. Full time

    Company OverviewConstellation Energy Generation, LLC. is a leading producer of clean, carbon-free energy. As a company built to meet the challenges of the climate crisis, we are committed to accelerating the transition to a low-carbon future.Total RewardsWe offer a comprehensive benefits package, including competitive salaries, bonus programs, 401(k) with...


  • Warrenville, Illinois, United States TOX PRESSOTECHNIK USA Full time

    Job Title: Mechanical Design EngineerWe are seeking an experienced Mechanical Design Engineer to join our team at TOX Pressotechnik USA. As a key member of our design team, you will be responsible for designing and developing high-quality precision industrial machinery.Key Responsibilities:Design and develop mechanical systems, including tooling and nesting...


  • Warrenville, Illinois, United States Sargent & Lundy Full time

    About the RoleWe are seeking a highly skilled Senior Mechanical HVAC Design Specialist to join our team at Sargent & Lundy. As a key member of our design team, you will be responsible for developing mechanical HVAC design deliverables, BOMs, and commodity lists using Hexagon's SmartPlant S3D or Bentley Open Buildings Designer modeling software.Key...


  • Warrenville, Illinois, United States ENTRUST Solutions Group Full time

    Job Title: Senior Design EngineerENTRUST Solutions Group is seeking a highly skilled Senior Design Engineer to join our team. As a key member of our engineering team, you will be responsible for performing engineering design on a variety of tasks, both independently and with ongoing supervision.Responsibilities:Apply technical knowledge to designs and ensure...