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Job Description

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). Our MISSION is to help ensure the security of the United States and its allies by providing high-hazard experimentation and incident response capabilities through operations, engineering, education, field, and integration services and by acting as environmental stewards to the Site’s Cold War legacy. Our VISION is to be the user site of choice for large-scale, high-hazard, national security experimentation, with premier facilities and capabilities below ground, on the ground, and in the air. (See NNSS.gov for our unique capabilities.) Our 2,750+ professional, craft, and support employees are called upon to innovate, collaborate, and deliver on some of the more difficult nuclear security challenges facing the world today.

+ MSTS offers our full-time employees highly competitive salaries and benefits packages including 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.

+ MSTS is a limited liability company consisting of Honeywell International Inc. (Honeywell), Jacobs Engineering Group Inc. (Jacobs), and HII Nuclear Inc.

Responsiblities

The Invoice Resolution Specialist (Procurement Specialist II) plays a critical role within the Contracts & Procurement organization, primarily focused on resolving discrepancies and complexities within invoice processing. This individual is responsible for ensuring the accuracy and timely resolution of problematic invoices, thereby contributing significantly to the financial integrity and operational efficiency of procurement. The Specialist in this role requires strong analytical skills, a deep understanding of contractual terms, and the ability to navigate intricate financial and procurement systems while collaborating effectively with various stakeholders.

Key Responsibilities

+ **Complex Invoice Resolution:** Investigate, analyze, and resolve complex invoice discrepancies related to purchase orders, subcontracts, and service agreements. This includes variances in pricing, quantity, terms, and compliance issues.

+ **Documentation & Compliance:** Ensure all invoice resolution activities are thoroughly documented and comply with prime contract terminology, legal and commercial terms, company policies, and relevant regulatory requirements (e.g., Davis-Bacon Act for certified payroll records).

+ **Cross-Functional Coordination:** Act as a central point of contact for complex invoice issues, coordinating extensively with Procurement Buyers, Accounts Payable, Project Controls, Procurement Systems, Subcontract Technical Representatives (STRs), Warehouse personnel, and Material Protection & Control (MPC) to facilitate timely resolutions and minimize payment delays.

+ **Supplier Communication:** Engage directly with suppliers and subcontractors to clarify discrepancies, negotiate resolutions, and ensure adherence to commercial terms and service level agreements.

+ **Reporting & Analysis:** Generate reports related to invoice holdback, discrepancy rates, and resolution times, providing insights to the Procurement Manager for strategic decision-making.

+ **System Utilization:** Proficiently utilize financial software and ERP systems for tracking, analyzing, and resolving invoice issues, ensuring data integrity across platforms.

Qualifications

Due to the nature of our work, US Citizenship is required for all positions.

+ Bachelor’s degree in business, supply chain management, or field related to the position or equivalent training and experience plus a minimum of 2 years’ relevant, progressively responsible experience.

+ Minimum of 3 years of progressively responsible experience in accounts payable, procurement, or a similar financial role, with a strong emphasis on complex invoice resolution, reconciliation, and compliance is preferred.

+ Exceptional attention to detail and strong analytical skills for discrepancy identification and resolution.

+ Excellent written and oral communication skills, with the ability to articulate complex issues clearly.

+ Proficient computer skills, including databases and Microsoft Office Suite (Word, Excel, PowerPoint).

+ Solid contract comprehension and ability to interpret intricate contractual terms.

+ Proficient data entry skills.

+ Strong mathematical aptitude.

+ Advanced organizational and problem-solving skills, with a proven ability to manage multiple priorities.

+ Primary work location will be at the Losee Road facility in North Las Vegas, Nevada ( **candidates must be willing to relocate if not local** ,relocation package available).

+ 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_ .’

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.

Annual salary range for this position is: **$65,249.60 - $97,884.80.**

Starting salary is determined based on the position market value, the individual candidate education and experience and internal equity.