Accountant II (Disbursements)

Nevada National Security Sites • North Las Vegas, Nevada • Full Time

Posted on Tue, May 19, 2026

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.   


Responsibilities

NNSS is seeking an Accountant II (Disbursements) whose duties include performing accounting and disbursement activities associated with employee and union payroll and payroll fringe benefit payments, accounts payable payments, and travel expense reimbursements in accordance with government regulations and Federal Travel Regulations (FTR) and performing account reconciliations and accounting entries within Oracle Fusion.

Key Responsibilities


Qualifications

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

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. 


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