Senior Mechanical Engineer

Constellation Energy·Braceville, Illinois; WARRENVILLE, Illinois·Posted July 2026

Nuclear industryUS only

About this role

Senior Mechanical Engineer providing advanced technical expertise in support of nuclear plant operations. You'll act as a subject matter expert and technical resource, responsible for engineering analysis, problem-solving, and technical leadership on programs impacting site operations.

Responsibilities

—Provide in-depth technical expertise to develop, manage and implement engineering analysis, activities and programs
—Provide technical expertise and consultation as a subject matter expert to identify and resolve equipment and system problems
—Fulfill engineering and technical leadership accountability for short-term and long-term programs impacting site operations
—Perform engineering tasks applying engineering principles and ensuring accuracy, completeness, and timeliness of work
—Ensure proper configuration management and application of standard design criteria, practices, procedures and codes
—Perform independent research, reviews, studies and analyses in support of technical projects and programs
—Recommend equipment, new concepts and techniques to improve performance, reduce costs, correct design flaws, or comply with regulatory changes
—Support emergency response, outage activities, and other assignments as directed by management

Qualifications

—Bachelor's degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear)
—5 years of nuclear experience or related engineering experience
—Maintain minimum access requirement or unescorted access requirements, as applicable
—Favorable medical examination and/or testing in accordance with position duties
—Detailed knowledge of applicable industry codes and regulations