Mechanical Engineering Manager Jobs in Ohio (NOW HIRING)

Responsible for leading the mechanical engineering scope of the Power Uprate projects. Ensures high-quality design, modification, and testing of mechanical systems while maintaining compliance with NRC requirements, industry codes, and Vistra standards. Coordinates with EPC partners, OEMs, and site engineering to deliver reliable, constructible, and safe mechanical solutions that integrate seamlessly into plant infrastructure.

• Lead mechanical engineering scope for multi-billion-dollar EPU projects, ensuring safety, quality, and schedule adherence.
• Direct and review mechanical system designs, ensuring compliance with ASME, NRC, and fleet standards.
• Coordinate with EPC contractors, OEMs, and site engineering to ensure system compatibility and constructability.
• Support Owner’s Engineer and independent third‑party reviews, validating design quality and operational readiness.
• Provide technical leadership in resolving mechanical design issues to maintain outage and project milestones.
• Ensure mechanical modifications support long‑term operability, maintainability, and integration into plant systems.

• Bachelor’s degree in Engineering (required); Mechanical preferred.
• 10+ years of nuclear engineering experience, with 5+ years in mechanical systems design, modification, or major projects.
• Direct experience with Extended Power Uprates, large‑scale plant modifications, or equivalent projects.
• Strong knowledge of NRC, INPO, ASME, and ANSI codes and standards.
• Demonstrated ability to lead discipline‑specific teams and interface with EPCs, OEMs, and site staff.
• Experience supporting regulatory submittals and responding to NRC/INPO questions preferred.

• On‑time delivery of mechanical engineering milestones.
• Compliance with NRC, INPO, and ASME standards.
• Minimal corrective actions from reviews or audits.
• Strong coordination with EPCs, OEMs, and site engineering.
• Mechanical systems integrated successfully into plant operations with proven reliability.
• Successful completion of independent reviews with minimal corrective actions.
• Effective coordination between Project Leadership site engineering, Owner’s Engineer, and third parties.

Plant Operations

Vistra Nuclear Operations Company

Oak Harbor, Ohio

We are a company of people committed to: Exceeding Customer Expectations, Great People, Teamwork, Competitive Spirit and Effective Communication.

It is the policy of the Company to comply with all employment laws and to afford equal employment opportunity to individuals in all aspects of employment, including in selection for job opportunities, without regard to race, color, religion, sex, sexual orientation, gender identity, pregnancy, national origin, age, disability, genetic information, military service, protected veteran status, or any other consideration protected by federal, state or local laws.

If you are an individual with a disability and need assistance submitting an application or would like to request an accommodation, please email us at assistance@vistraenergy.com to make a request.

Vistra (NYSE: VST) is a leading Fortune 500 integrated retail electricity and power generation company based in Irving, Texas, that provides essential power resources to customers, businesses, and communities from California to Maine. Vistra is the largest competitive power generator in the U.S., with a capacity of approximately 41,000 megawatts, or enough to power 20 million homes, operating in all of the major competitive wholesale markets in the country. Vistra is a leader in the energy transformation and expansion with an unyielding focus on reliability, affordability, and sustainability, powered by a diverse portfolio that includes natural gas, nuclear, coal, solar, and battery energy storage facilities. The company continues to grow its zero‑carbon resources, operating the second‑largest fleet of competitive nuclear power plants in the country, substantial battery energy storage capacity, and a growing number of solar facilities. Vistra is one of the largest competitive electricity providers in the country and takes an innovative, customer‑centric approach to retail, offering solutions to meet customers’ needs, including more than 50 renewable energy plans. Through its family of retail brands, Vistra serves approximately 5 million residential, commercial, and industrial retail customers. As a leader in the responsible transformation of the country’s energy supply, Vistra has made significant progress towards its 2030 and 2050 targets. The company has committed to a 60% reduction of Scope 1 and 2 greenhouse gas emissions by 2030, as compared to our 2010 baseline, and net‑zero carbon emissions by 2050, assuming necessary technological advancements and public policy incentives are achieved.

Learn more about our environmental, social, and governance efforts and read the company’s sustainability report at https://vistracorp.com/sustainability/.

Vistra’s hardworking team is committed to its purpose, “lighting up lives, powering a better way forward” and is guided by four core principles: we do business the right way, we work as a team, we compete to win, and we care about our stakeholders, including our customers, our communities where we work and live, our employees, and our investors.

Learn more about how Vistra is powering a better way forward at vistracorp.com.