nuclearhustle

Engineer, Mechanical Sr

Constellation Energy·Braceville, Illinois·Posted today
Nuclear industryUS only

About this role

Senior Mechanical Engineer at a Constellation nuclear facility providing advanced technical expertise in mechanical systems, equipment analysis, and problem-solving in direct support of reactor operations. Acts as a subject matter expert and technical resource for site engineering decisions impacting plant operations and long-term capital/maintenance programs.

Responsibilities

Develop, manage, and implement mechanical engineering analyses, technical activities, and programs supporting plant operations

Provide technical expertise to identify and resolve equipment and system problems affecting reactor safety and availability

Lead short-term and long-term engineering programs impacting site operations with appropriate technical and regulatory accountability

Perform engineering analyses applying mechanical engineering principles; ensure accuracy, completeness, and timeliness of work products

Maintain proper configuration management and adherence to design criteria, industry codes (ASME, etc.), and site procedures

Conduct independent research, reviews, and technical studies in support of engineering projects and regulatory compliance

Recommend equipment upgrades, new technologies, and techniques to improve performance, reduce costs, address design deficiencies, or meet regulatory changes

Support emergency response, planned outages, and departmental coverage as needed

Qualifications

Bachelor's degree in Mechanical Engineering, Nuclear Engineering, Chemical Engineering, Civil/Structural Engineering, Electrical Engineering, or Industrial Engineering

Minimum 5 years of nuclear power plant experience or closely related engineering experience in a regulated facility

Meet ANSI/ANS-3.1-2014 Standard requirements for Selection, Qualification, and Training of Personnel for Nuclear Power Plants

Maintain minimum unescorted access or escorted access requirements as applicable to the role

Pass favorable medical examination and/or occupational health testing in accordance with position duties

Desired

Professional Engineer (PE) Registration/Licensure

Advanced technical degree (Master's) or specialized coursework in nuclear engineering or mechanical systems

Job details

FieldEngineering
LocationBraceville, Illinois
IndustryNuclear energy
PostedJun 2026

About the company

Constellation Energy

America's largest producer of clean, carbon-free energy, operating the nation's largest fleet of nuclear power plants across 12 states.

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Engineer, Mechanical Sr

Constellation Energy

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