Safeguards & Security Specialist II - MC&A Accountant

As a Nuclear Material Accounting Specialist, you will play a critical role in ensuring the integrity and accuracy of nuclear material tracking at the Nevada National Security Site (NNSS). This position supports local, national, and international reporting requirements by maintaining rigorous controls, utilizing generally accepted accounting principles, and managing complex transaction records. In this role as a Safeguards & Security Specialist II, you will act as a key safeguard for data integrity, resolving discrepancies and ensuring all movements of accountable materials comply with DOE orders and NNSS Prime Contract commitments.

Key Responsibilities

Support local, national, and international reporting requirements in alignment with the NNSS Prime Contract, local plans, and DOE orders to ensure full regulatory compliance.

Utilize generally accepted accounting principles to compile accurate transaction records for the receipt, shipment, and adjustment of nuclear materials within established locations.

Research and resolve discrepancies in reporting transactions to maintain high standards of data integrity and accuracy.

Write, review, and update procedures, desktop instructions, and other technical documentation to ensure operational consistency and process improvement.

Review the accuracy of documentation required for the authorization process to ship or receive accountable nuclear material at the NNSS.

Monitor transactions and inventory data and report findings to the National Nuclear Material Management and Safeguards Systems as directed.

Ensure strict adherence to all safety and security policies within your assigned area of responsibility.

Perform other related duties and tasks assigned by management.

Bachelor’s degree in a field related to the position or equivalent training and experience plus two years of related progressive experience. Preferred: Bachelor’s degree in Management, Accounting, Security, or a related field supplemented by at least two years of progressive related experience.

Demonstrated knowledge of accounting principles and familiarity with automated accounting systems.

Ability to apply relevant principles, concepts, and theoretical knowledge to define and resolve complex problems, especially in situations where established procedures may not be specific.

Proven success in providing customer support and interfacing effectively with a broad range of management, staff, and various government agencies.

Excellent oral and written communication skills with the ability to collaborate tactfully and professionally with diverse individuals while screening information and preserving strict confidentiality.

Strong organizational capabilities to formulate actionable goals, prioritize tasks, maintain momentum, and consistently meet deadlines under pressure and tight time constraints.

Proficiency with standard office equipment and software applications, including word processing, spreadsheets, presentations, and databases.

Desired ability to provide input on hardware and software requirements for NMC&A systems at the NNSS.

Desired knowledge of NNSS programs and operations, familiarity with interpreting and implementing MSTS and Department of Energy (DOE) policies, procedures, and practices, and experience working in a multidisciplinary environment.

Ability to thrive in a fast-paced environment amidst frequent interruptions and competing priorities.

The primary work location will be at the Nevada National Security Site (located 65 miles northwest of Las Vegas, Nevada).

Work schedule will be 4/10's Monday through Thursday (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.

MSTS is required by DOE directive to conduct a pre-employment drug test and background review that includes checks of personal references, credit, law enforcement records, and employment/education verifications. Applicants offered employment with MSTS are also subject to a federal background investigation to meet the requirements for access to classified information or matter if the duties of the position require a DOE security clearance. Substance abuse or illegal drug use, falsification of information, criminal activity, serious misconduct or other indicators of untrustworthiness can cause a clearance to be denied or terminated by DOE, resulting in the inability to perform the duties assigned and subsequent termination of employment. In addition, Applicants for employment must be able to obtain and maintain a DOE Q-level security clearance, which requires U.S. citizenship, at least 18 years of age. Reference DOE Order 472.2, “Personnel Security”. If you hold more than one citizenship (i.e., of the U.S. and another country), your ability to obtain a security clearance may be impacted.

Department of Energy Q Clearance (position will be cleared to this level). Reviews and tests for the absence of any illegal drug as defined in 10 CFR Part 707.4, “Workplace Substance Abuse Programs at DOE Sites,” will be conducted. Applicant selected will be subject to a Federal background investigation, required to participate in subsequent reinvestigations, and must meet the eligibility requirements for access to classified matter. Successful completion of a counterintelligence evaluation, which may include a counterintelligence-scope polygraph examination, may also be required. Reference 10 CFR Part 709, “Counterintelligence Evaluation Program.”

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.

Mission Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Sites (NNSS) for the U.S. National Nuclear Security Administration (NNSA), a semi-autonomous agency within the U.S. Department of Energy (DOE). The NNSS is an enterprise of special-purpose, multi-mission, high-hazard experimentation facilities delivering technical and service solutions in partnership with the National Laboratories. Our collaborative work supports the government’s most important national security missions. (See NNSS.gov for our unique capabilities.) Our 3,000+ 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 Aerospace, Amentum, and HII Nuclear Inc.