Senior Mechanical Engineer

Company : Constellation Energy
Location : Marseilles, IL, 61341
Posted Date : 3 October 2025
Job Type : Other
Category : Mechanical Engineering
Occupation : Mechanical Engineer
Job Details
WHO WE ARE
At Constellation, the nation's leading producer of clean, carbon-free energy, we are dedicated to our mission: accelerating the transition to a sustainable future. Our long-standing leadership in clean energy production reflects our commitment to fostering a workplace where all employees can grow, thrive, and contribute meaningfully. Together, we are building healthier communities and a cleaner planet, fueled by the passion and purpose of our remarkable team. Join us and take the lead in shaping the clean energy future.
TOTAL REWARDS
At Constellation, we offer a comprehensive benefits package designed to support our employees both professionally and personally. With competitive compensation options, a bonus program, a 401(k) with company match, and employee stock purchase opportunities, we prioritize the well-being and future planning of our team members. Additional benefits include extensive medical, dental, and vision coverage, a robust wellness program, and generous paid time off for vacation, holidays, and sick days. Our expected salary range for this role is $144,900 to $161,000, depending on experience, complemented by our comprehensive benefits package.
PRIMARY PURPOSE OF POSITION
As a Senior Mechanical Engineer, you will engage in advanced engineering problem-solving to support nuclear plant operations, making crucial technical decisions while demonstrating superior knowledge in your field. You will apply your extensive understanding of industry codes and regulations, functioning with industry-level expertise.
PRIMARY DUTIES AND ACCOUNTABILITIES
- Conduct advanced engineering tasks to support nuclear operations.
- Perform independent studies and analyses for technical projects.
- Provide extensive technical expertise to develop and implement engineering activities that enhance plant safety, reliability, maintainability, and compliance with regulatory requirements.
- Ensure accuracy, completeness, and timeliness of deliverables, while managing configuration and adhering to design standards.
- Identify and resolve equipment and system issues through direct involvement.
- Manage engineering issues from initial to complete task phases.
- Recommend innovations to enhance performance, minimize construction complexities, and adapt to regulatory changes.
- Support modifications to plant design, testing, and troubleshooting efforts.
- Ensure that all engineering outputs align with safety analyses and industry regulations.
- Oversee functional supervisory activities, including personnel management, budgeting, and planning.
- Fulfill all job assignments as required by company policy or management directives, including emergency response activities.
MINIMUM QUALIFICATIONS
- Bachelor's degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical, or Nuclear) with at least 10 years of relevant engineering experience.
- Proven technical leadership skills, teamwork, and leadership qualities.
- Ability to meet minimum access and medical requirements pertinent to the role.
PREFERRED QUALIFICATIONS
- Professional Engineer (PE) License.
- Experience in thermal hydraulics.
- Prior experience in a nuclear plant setting.
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