OSS Invoicing Support Specialist

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.

As an Outage Support Services (OSS) Invoicing Support Specialist, you will complete pre-validation activities, preparing billing packages, and coordinating invoicing tasks between the Invoicing Team and customer sites. You will support the Team Lead by ensuring that unbilled costs are captured and invoiced to customer within defined service-level agreements by site/customer. You will use your knowledge of invoicing processes, strong attention to detail, and the ability to work collaboratively in a dynamic, fast-paced, outage-driven environment to help support the larger team.

You will report to the Director of AOMS transformation and will be based at our Waltz Mill facility in Madison, PA. This is a mobile position that is expected on site at least 2 days per week.

Key Responsibilities:

• Gather cost data from time and expense systems for review.

• Perform line-item checks to confirm accuracy of quantities, rates, and extensions.

• Flag and document discrepancies for escalation to the Team Lead

• Enter validated billing data into SAP (or other ERP) following standard workflow.

• Maintain invoicing logs and trackers to ensure transparency of status.

• Liaise with site coordinators to collect missing backup documentation.

• Respond to routine inquiries regarding invoice status and data requirements.

• Compile weekly status summaries of pending and completed invoices.

• Help generate standard KPI dashboards for review by the Team Lead.

• Provide feedback on process bottlenecks and suggest small-scale efficiencies.

• Participate in periodic process review sessions and help document best practices.

• Attend training sessions on invoicing tools and workflows.

• Share insights and shortcuts with peers through informal coaching.

• Assist with special projects and backup coverage during peak outage seasons.

• Support expense system reconciliation and audit prep as requested.

• Take on additional tasks to support the Outage Support Services team as needed.

Qualifications:

• 1+ years of experience

• BA/BS in business, operations, accounting, finance, or other related discipline

• Basic certification in Accounting or ERP systems (e.g., SAP Certified User, QuickBooks Certification)

• Understanding of the SAP Bid to Bank workflow

• Basic familiarity with ERP/invoicing systems (SAP, Oracle, or equivalent).

• Comfort navigating time and expense reporting tools.

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Why Westinghouse?

Westinghouse offers competitive benefits to all our employees around the globe to keep them healthy and enhance their well-being.  In the U.S. the following are representative of what we offer:

• Competitive Salary
• Comprehensive Health, Wellness and Income Protection Benefits
• Employee Assistance Program: confidential counseling and resources for employees, eligible dependents, and household members
• 401(k) Savings Plan with Company Match
• Paid Vacations and Holidays
• Opportunities for Flexible Work Arrangements
• Educational Reimbursement Program
• 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

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