Maintenance Planner I&C

Constellation

Marseilles, IL

Full Time

Posted September 25, 2026

$111k - $123k

Power Generation

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Listing evidence and provenance

Source: Employer career site View original listing
Freshness: Open in the current public read path; this is not an employer guarantee.Last observed October 5, 2026
Classification: Modern power-system classification not yet published for this listing.Legacy source industry field: Power Generation
Pay provenance: Employer-provided pay

Job Description

Plan and prepare work packages for work to be performed by the respective maintenance departments to ensure that the Clean Energy Center (CEC) maintenance is performed in a safe, reliable, and efficient manner, in compliance with the Quality Assurance (QA) manual, company policies, procedures, and applicable codes and

Key Responsibilities

Plan and prepare work instructions that provide direction to the Maintenance Department for corrective maintenance repairs, performance of preventive maintenance and surveillance's, and the implementation of modifications. Select and approve purchase, or make procurement recommendations for all materials needed for work package execution.
Conduct field walkdowns to identify and analyze corrective and preventive maintenance, modification, and surveillance activities and to provide input for refining and improving work package quality. Interface and collaborate with Work Management, Supply, Operations, and Engineering to identify and resolve work package issues.
Define procedures, drawings, equipment, and materials required to perform planned work packages. Facilitate package preparation by preparing and/or submitting Out of Service (OOS's), Radiation Work Permit (RWP's), plant barrier impairments, welding/grinding permits, fire impairments, Operability impact statements, As Low As Reasonably Achievable (ALARA) task outs, Regulatory/Code documentation, Nuclear Oversight (NOS) hold/witness points, freeze seal and temporary leak repair documentation, and other requests.
Verify work instructions are adequate and comply with all applicable CEC procedures including Nuclear Safeguard Protocol (NSPs), National Strategy for Space Nuclear Power and Propulsion (NSWPs), American Society of Mechanical Engineers (ASME) Code, etc. Approve and review all required work packages to ensure safety, high quality, technical rigor, and 10CFR50.59 screening or evaluation (if required).
Develop revise, and review maintenance procedures to facilitate and enhance work package development, maintain compliance with codes, standards, and vendor recommendation, and maintenance direction.
Provide project management of other system planners or contractors to develop detailed elements of overall package preparation.
Participate in work control/scheduling meetings, planning feedback/craft interface time, detailed contract requisition reviews, complex troubleshooting, EQR2 reviews, detailed Operating Experience (OPEX) searches, Maintenance risk request reviews, Planner peer reviews, and system interaction reviews to ensure applicable CEC processes and applicable changes are supported.
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.
Plan and prepare work instructions that provide direction to the Maintenance Department for corrective maintenance repairs, performance of preventive maintenance and surveillance's, and the implementation of modifications. Select and approve purchase, or make procurement recommendations for all materials needed for work package execution.
Conduct field walkdowns to identify and analyze corrective and preventive maintenance, modification, and surveillance activities and to provide input for refining and improving work package quality. Interface and collaborate with Work Management, Supply, Operations, and Engineering to identify and resolve work package issues.
Define procedures, drawings, equipment, and materials required to perform planned work packages. Facilitate package preparation by preparing and/or submitting Out of Service (OOS's), Radiation Work Permit (RWP's), plant barrier impairments, welding/grinding permits, fire impairments, Operability impact statements, As Low As Reasonably Achievable (ALARA) task outs, Regulatory/Code documentation, Nuclear Oversight (NOS) hold/witness points, freeze seal and temporary leak repair documentation, and other requests.
Verify work instructions are adequate and comply with all applicable CEC procedures including Nuclear Safeguard Protocol (NSPs), National Strategy for Space Nuclear Power and Propulsion (NSWPs), American Society of Mechanical Engineers (ASME) Code, etc. Approve and review all required work packages to ensure safety, high quality, technical rigor, and 10CFR50.59 screening or evaluation (if required).
Develop revise, and review maintenance procedures to facilitate and enhance work package development, maintain compliance with codes, standards, and vendor recommendation, and maintenance direction.
Provide project management of other system planners or contractors to develop detailed elements of overall package preparation.
Participate in work control/scheduling meetings, planning feedback/craft interface time, detailed contract requisition reviews, complex troubleshooting, EQR2 reviews, detailed Operating Experience (OPEX) searches, Maintenance risk request reviews, Planner peer reviews, and system interaction reviews to ensure applicable CEC processes and applicable changes are supported.
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.

Requirements

Bachelor's degree with 2 years of related experience OR
Current or previous Senior Reactor Operator license with 2 years of related experience OR
Associate's degree with 3 years of related experience OR
High school diploma/GED with 4 years of related experience
Maintain minimum access requirement or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties
5 years of experience in nuclear power plant operations
Bachelor's degree with 2 years of related experience OR
Current or previous Senior Reactor Operator license with 2 years of related experience OR
Associate's degree with 3 years of related experience OR
High school diploma/GED with 4 years of related experience
Maintain minimum access requirement or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties

Benefits & Perks

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.
Expected salary range of $110,700 to $123,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k).