
Principal Mechanical Engineer
Rock Hill, SC · HybridJob$103–129K/yrPosted 1w agoStill listed today
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At a glance
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Requirements
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Job overview
The Principal Engineer for Design Interfaces and Hazards Engineering supports design, fabrication, construction, and maintenance of large-scale nuclear and non-nuclear projects. The role focuses on hazards assessments, IAEA Safeguards implementation, and design interface integration for advanced nuclear plant designs. It is hybrid, typically requiring two to three days per week on-site, and reports to the Engineering Manager, Design Interfaces and Hazards Engineering.
Skills & qualifications
Skills
Qualifications
Benefits
Full job description
Are you interested in being part of an innovative team that supports Westinghouse’s mission to provide clean energy solutions? At Westinghouse, we recognize that our employees are our most valuable asset and we seek to identify, attract and recruit the most qualified talent while recognizing and encouraging the value of diversity in the global workplace. About the role:
As a Principal Engineer for Design Interfaces and Hazards Engineering, you will support teams for the design, fabrication, construction, and maintenance of large-scale nuclear and non-nuclear projects. The primary roles within this group include internal flooding assessments; pipe rupture hazards assessments (PRHA), other hazard protection (explosions, etc.) evaluations, design interface control, and other activities. This position provides diverse and broad-ranging opportunities for advanced nuclear plant designs (AP1000 and AP300) considering plant hazards and design interfaces of systems, equipment, structures, and physical site/plant arrangement.
You will report to the Engineering Manager, Design Interfaces and Hazards Engineering and be located in Cranberry Township, PA or Rock Hill, SC. This position is hybrid in nature at the discretion of the manager typically requiring 2-3 days/week on-site. You may be able to work hybrid in other Westinghouse locations in the US.
Key Responsibilities:
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Lead global and cross functional engineering teams by contributing to technical scope execution, meeting schedule and financial goals including supporting the design, fabrication, construction, and maintenance of large-scale nuclear projects. Specific areas include:
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Hazards evaluations
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IAEA Safeguards implementation
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Design Interface integration and oversight
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Present technical topics and interface with global customers and regulatory bodies
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Technical issue resolution including design issues during design, fabrication, and construction
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Mentor engineers and lead plans for knowledge management and retention
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Provide group leadership related to the Global Competency Model skill development, the Technical Leader Development Program and internal projects
Qualifications:
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Bachelor's degree in Engineering: Mechanical, Chemical, Nuclear
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Minimum 7 years of applicable experience
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Ability to work both remotely, from home office, and from customer site to support customer projects globally
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Beneficial:Knowledge of PWR reactors.
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Familiarity with AP1000
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Project Planning and issue resolution expertise a plus
We are committed to transparency and equity in all of our people practices. The base salary range for this position, which is dependent upon experience, qualifications and skills, is estimated to be $103,200 to $129,000 per year.
#LI-Hybrid
Why Westinghouse?
Our benefits package is tailored to meet the diverse needs of our employees, while also promoting wellness and career growth. The following are representative of what we offer:
• Comprehensive Medical benefits which could include medical, dental, vision, prescription coverage and Health Savings Account (HSA) with employer contributions options
• Wellness Programs designed to support employees in maintaining their health and well-being including Employee Assistance Program providing support for our employees and their household members
• 401(k) with Company Match Contributions to support employees' retirement
• Paid Vacations and Company Holidays
• Opportunities for Flexible Work Arrangements to promote work-life balance
• Educational Reimbursement and Comprehensive Career Programs to help employees grow in their careers
• Global Recognition and Service Programs to celebrate employee accomplishments and service
• Employee Referral Program
Westinghouse Electric Company is the global nuclear energy industry's first choice for safe, clean, and efficient energy solutions. We enable our delivery of this vision by living our value system:
• Safety and Quality
• Integrity and Trust
• Customer Focus and Innovation
• Speed and Passion to Win
• Teamwork and Accountability
While our Global Headquarters are located in Cranberry Township, PA, we have over 11,000 employees working at locations in 19 different countries. You can learn more by visiting http://www.westinghousenuclear.com.
Westinghouse is an Equal Opportunity Employer including Veterans and Individuals with Disabilities
Get connected with Westinghouse on social media: Twitter | Facebook | LinkedIn| YouTube
How this job compares
Set against the 1,715 open Mechanical Engineering jobs on Olive Jobs, counted November 10, 2026.
- Pay
- This posting$103–129K/yr
- South Carolina median$98–149K/yr23 salary ranges
- US median$113–187K/yr859 salary ranges
This range's midpoint, $116K, is close to the South Carolina median midpoint ($119K) — in the middle half of Mechanical Engineering salary ranges in South Carolina.
- Openings
- Olive Jobs lists 33 open Mechanical Engineering jobs in South Carolina and 1,715 across the US. 2% of them nationwide are listed as remote or flexible.
- Hiring the most in South Carolina
- GE Vernova13 open
- Westinghouse Electric Company (this employer)7 open
- Oracle2 open
- Experience
- This posting asks for at least 7 years of experience; Mechanical Engineering postings that state a minimum ask for 5 years at the median (952 postings).
- Education
- This posting asks for a bachelor's degree; 767 of the 1,715 open Mechanical Engineering jobs (45%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on November 10, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.
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