Nevada National Security Sites · 20 hours ago
Senior Invoice Resolution Specialist (Senior Procurement Specialist)
Mission Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site for the U.S. National Nuclear Security Administration. They are seeking a Senior Invoice Resolution Specialist to manage complex invoice processing, ensure compliance with contractual terms, and facilitate timely payments to vendors and subcontractors.
Government Administration
Responsibilities
Manage the full lifecycle of invoices related to subcontracts, purchase orders, and construction agreements, ensuring accuracy and adherence to established procedures. Reconcile invoices with purchase orders, goods received, and service agreements, resolving discrepancies promptly
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 (STRs), Warehouse, and Material Protection & Control (MPC) to ensure seamless processing, accurate cost allocation, and timely resolution of issues
Ensure all invoice processing and payment activities comply with prime contract terminology, legal and commercial terms, company policies, and relevant regulatory requirements (e.g., Davis-Bacon Act for certified payroll records). Maintain organized files and controls for all incoming and outgoing correspondence related to invoicing
Act as a primary point of contact for complex invoice issues, payment disputes, and discrepancies with suppliers and subcontractors. Collaborate with internal stakeholders to facilitate resolutions
Communicate effectively with suppliers and subcontractors regarding invoice status, payment queries, and to achieve required service and results. Monitor supplier performance as it relates to commercial terms for services rendered
Perform root cause analysis for recurring invoice issues and collaborate with relevant departments to implement corrective actions and preventive measures
Identify and recommend enhancements to invoice processing workflows and contribute to the development of procurement operational procedures to improve efficiency and accuracy
Assist in generating reports related to invoice processing, payment cycles, and financial commitments, providing insights to the Procurement Manager
Proficiently utilize financial software and ERP systems for invoice processing, data entry, and record-keeping, ensuring data integrity
Provide support to procurement activities by assisting with administrative problem-solving related to high monetary expenditure or risk, and by ensuring proper invoicing practices are followed for project commitments
Qualification
Required
US Citizenship is required for all positions
Bachelor's degree in related field or equivalent training and experience with at least 5 years relevant, progressively responsible experience
Demonstrated experience in procurement, contracting, or supply chain management
Demonstrated working knowledge of FAR and DEAR requirements as applicable to M&O contractors
Proficient attention to detail and ability to identify and 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
The primary work location will be at the Losee Road facility in North Las Vegas, Nevada
Work schedule for this position will be 4/10's Monday through Thursday (hybrid schedule: two days on-site, two days remote; subject to change)
Pre-placement physical examination, which includes a drug screen, is required. MSTS maintains a substance abuse policy that includes random drug testing
Must possess a valid driver's license
Ability to obtain a HSPD-12 Personal Identity Verification credential under the Department of Energy Order 206.2, ‘Identity, Credential, and Access Management,' and Supplemental Directive NNSA SD 206.2, ‘Implementation of Personal Identity Verification for Uncleared Contractors.'
Preferred
Bachelor's degree in business administration, Finance, Accounting, or a related field, or equivalent training and experience
Minimum of 5 years of progressively responsible experience in accounts payable, procurement, or a similar financial role with a strong emphasis on invoice processing, reconciliation, and compliance
Benefits
Medical, dental, and vision
Both a pension and a 401k
Paid time off and 96 hours of paid holidays
Relocation (if located more than 75 miles from work location)
Tuition assistance and reimbursement
And more.
Company
Nevada National Security Sites
The Nevada National Security Sites help ensure the security of the United States and its allies by: supporting the stewardship of the nation’s nuclear deterrent; providing nuclear and radiological emergency response capabilities and training; contributing to key nonproliferation and arms control initiatives; executing national-level experiments in support of the National Laboratories; working with national security customers and other federal agencies on important national security activities; and providing long-term environmental stewardship of the NNSS’s Cold War legacy.