Senior Invoice Resolution Specialist; Senior Procurement Specialist

Senior Invoice Resolution Specialist (Senior Procurement Specialist)

Company Overview: Mission Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the U.S. National Nuclear Security Administration (NNSA). MSTS is a limited liability company consisting of Honeywell International Inc., Jacobs Engineering Group Inc., and HII Nuclear Inc.

Job Overview: The Senior Invoice Resolution Specialist plays a critical role within the Contracts & Procurement organization, supporting the financial integrity and operational efficiency of the procurement invoice process.

• Invoice Management & Reconciliation:
  Manage the full lifecycle of invoices related to subcontracts, purchase orders, and construction agreements, ensuring accuracy and adherence to established procedures.
• Cross-Functional Coordination:
  Act as a central point of contact for invoice-related matters, coordinating extensively with Procurement Buyers, Accounts Payable, Project Controls, Procurement Systems Team, Subcontract Technical Representatives, Warehouse, and Material Protection & Control to ensure seamless processing.
• Compliance & Documentation:
  Ensure all invoice processing and payment activities comply with prime contract terminology, legal and commercial terms, company policies, and applicable regulations.
• Problem Resolution:
  Serve as primary contact for complex invoice issues, payment disputes, and discrepancies with suppliers and subcontractors.
• Supplier Communication:
  Communicate effectively with suppliers and subcontractors regarding invoice status, payment queries, and performance monitoring.
• Root Cause Analysis:
  Perform root cause analysis for recurring invoice issues and collaborate with relevant departments to implement preventive measures.
• Process Improvement:
  Identify and recommend enhancements to invoice processing workflows.
• Reporting & Analysis:
  Assist in generating reports related to invoice processing, payment cycles, and financial commitments.
• System Utilization:
  Proficiently utilize financial software and ERP systems for invoice processing, data entry, and record-keeping.
• Support Procurement
  
  Activities:
  
  Assist with administrative problem-solving related to high monetary expenditure or risk and ensure proper invoicing practices for project commitments.

• Bachelor’s degree in a related field or equivalent with at least 5 years progressively responsible experience.
• Preferred:
  Bachelor’s degree in business administration, Finance, Accounting, or related field and minimum 5 years of experience in accounts payable, procurement, or similar financial role with emphasis on invoice processing, reconciliation, and compliance.
• Demonstrated experience in procurement, contracting, or supply chain management.
• Working knowledge of FAR and DEAR requirements applicable to M&O contractors.
• Proficient attention to detail and ability to resolve discrepancies.
• Excellent written and oral communication skills.
• Proficient computer skills, including databases and Microsoft Office Suite (Word, Excel, PowerPoint).
• Strong basic contract comprehension.
• Proficient data entry skills.
• Basic mathematics proficiency.
• Proficient organizational and problem-solving skills.
• Primary work location:
  Losee Road facility, North Las Vegas, Nevada.
• Work schedule:
  
  4/10's Monday through Thursday (hybrid schedule: two days on-site, two days remote; subject to change).
• Pre-placement physical examination, including drug screen, required. MSTS maintains a substance abuse policy with random drug testing.
• Valid driver’s license required.

Ability to obtain a HSPD-12 Personal Identity Verification credential under DOE Order 206.2 and NNSA SD 206.2.

Annual salary range: $80,579.20 - $.

• Seniority level:
  Mid-Senior level
• Employment type:
  
  Full-time
• Industry: Government Administration

MSTS is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability, veteran status or other characteristics protected by law. MSTS is a background screening, drug‑free workplace.