Accounting Specialist

Job Description

ProSidian seeks a Accounting Specialist | Accounting Operations (Acct) for Program Support on a SCA – Service Contract Act / Service Contract Labor Standards (SCLS) Basis for Working On-Site (Client Site) in The Southeast | South Atlantic | CONUS Area (Aiken, South Carolina) Contract Contingent, generally located across the Aiken, South Carolina Across The Southeast | South Atlantic | CONUS Region supporting a High-hazard nuclear cleanup environment requiring disciplined staffing, safety, quality, security, and regulatory compliance.

With STD Work/Job Site (Office) Language(s) being English; the Accounting Specialist | Accounting Operations (Acct) [L00065] is aligned with GSA Labor Category: Administrative Specialist II.  This role shall be principally focused on ProSidian Strategic Resourcing and Professional Staff Augmentation for Accounting Operations (Acct) Solutions and ServicesAccounting Operations (Acct) for ProSidian Strategic Resourcing and Professional Staff Augmentation for Accounting Operations (Acct) Solutions and Services

We seek Accounting Specialist candidates with relevant Nuclear And Environmental Management Sector Experience (functional and technical area expertise also ideal) to support professional services engagement for Nuclear And Environmental Management Sector Clients such as SRMC. This as a Contract Contingent or Contract W-2 (IRS-1099) Accounting Operations (Acct) Functional Area / Swim Lane / Category Discipline Professional - ProSidian Strategic Resourcing and Professional Staff Augmentation for Accounting Operations (Acct) Solutions and Services Position; however, ProSidian reserves the right to convert to a Full-Time ProSidian employed W-2 Position.

Accounting Specialist | Accounting Operations (Acct) [L00065]. 

The Administrative Specialist II role(s) are located in the Southeast | South Atlantic | CONUS Region, at or near Aiken, South Carolina, Initially identified Work Site Address (Working On-Site (Client Site) - (Geo Code Address: 121 Richland Ave E, Aiken, SC 29801, USA

JOB OVERVIEW

Provide services and support as a Accounting Specialist [ProSidian Strategic Resourcing and Professional Staff Augmentation for Accounting Operations (Acct) Solutions and Services] aligned with the Accounting Operations (Acct) Functional Area / Swim Lane / Category Discipline in the Nuclear And Environmental Management Industry Sector. 

This role focusses on Human Capital | Project Management | Engineering | Environmental | Compliance | Risk Management | IT Effectiveness | Business Process | Training Knowledge Management Solutions for clients such as Savannah River Mission Completion, LLC (SRMC) | SRMC Supply Chain / Procurement supporting the Liquid Waste Program under DOE prime contract 89303322DEM000068 Generally Located In Aiken, South Carolina and across the Southeast | South Atlantic | CONUS Region (Of Country/World) Working On-Site (Client Site).

Provide Accounting Operations (Acct) Services and Solutions as a ProSidian Engagement Team Member working in a capacity that Supports organizational accounting activities by providing planning, analysis, coordination, documentation, compliance, quality assurance, and stakeholder support. Facilitates specialized and organizational accounting functions with these same services. Additionally, it supports financial accounting activities through the same set of tasks..  Keep payments accurate and on time by validating transactions, resolving exceptions, and maintaining audit-ready accounting records.

RESPONSIBILITIES AND DUTIES - Accounting Specialist | Accounting Operations (Acct) [L00065]

Safety is a primary responsibility in each job performed. Obtain safety training, obey safety rules, and make safety an integral part of each task. Take necessary steps to stop work if continuing the activity is unsafe or will create and unsafe condition.

 - Verifies information on vendor invoices, detects and corrects erroneous data

 - Routes and enters data into accounting system on a timely basis in order for payments to be processed when due

 - Processes employee expense reimbursements

 - Responds to employee or vendor inquiries

 - Reviews rejected transactions, determines reason and notifies vendor if necessary

 - Verifies vendor information including W-9 forms

 - Posts batch entries

 - Prepares and sends out 1099’s

 - Assist in month end closing

 - Reviews departmental policies and procedures and recommends changes as needed

 - Prepares ad hoc reports and basic analysis as requested

 - Assists with audit requests

 - Maintains electronic and hard copy filing

 - May update accounting journals, ledgers or other financial records

 - May provide daily, weekly or monthly reports

 - May prepare ACH, wire transfers and check requests

 - Other duties as assigned The responsibilities provided above are intended to describe the primary elements of the job as a whole and not describe any one position in its entirety.

Qualifications

Desired Qualifications For Accounting Specialist | Accounting Operations (Acct) [L00065] Candidates:

• High School Diploma or GED
•  2+ years related office experience preferably in accounts payable
•  Microsoft Office experience required

Education / Experience Requirements / Qualifications

• High School Diploma or GED
•  2+ years related office experience preferably in accounts payable
•  Microsoft Office experience required
• High School Diploma or GED
•  2+ years related office experience preferably in accounts payable
•  Microsoft Office experience required

This position aligns with functional and technical requirements in the Nuclear And Environmental Management Sector and Accounting Specialist Candidates principally support Accounting Operations (Acct) Functional Area / Swim Lane / Category Disciplines.

Skills Required

Primarily focused on Management and Financial Consulting, Acquisition and Grants Management Support, and Business Program and Project Management Services initiatives and aligned with Program Support activities Accounting Operations (Acct) Functional Area Activities. 

Microsoft Office; computerized accounting systems; invoice validation; W-9/1099 processing; expense reimbursement; journal and ledger support; ACH, wire and check requests

Competencies Required

• Accuracy; confidentiality; customer service; analytical judgment; records management; deadline discipline

Ancillary Details Of The Roles

• SRMC Job Grade: 60 
• Previous use of a computerized accounting system Previous experience in handling and maintaining confidential information

Other Details

Performs routine and non-routine office duties in support of accounts payable, payroll, general accounting and other business service functions.

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Additional Information

Our Corporate Benefits Policy and Philosophy

ProSidian’s Corporate Benefits Policy and Philosophy highlight the company's support for Eligible Employees through health, financial, work-life, and professional development benefits. Depending on employment type, location, role, client, laws, and plan terms, offerings include medical, dental, vision coverage; assistance programs; paid time off; insurance; retirement plans; flexible spending; education opportunities; recognition bonuses; discounts; and flexible work arrangements. These promote wellness, financial stability, ongoing learning, and work-life balance. ProSidian administers these benefits in line with legal, regulatory, contract, insurance, and business standards, with detailed plan documents. This creates a competitive, sustainable environment for employee growth, contribution, and shared success. Learn More At www.ProSidian.com/Policies-Corporate-Governance/

ProSidian's Employee Benefits Program Is Designed Around Four Core Priorities.

• Health and Well-Being: We support employee access to healthcare, preventive services, wellness resources, and programs that help Eligible Employees care for themselves and their families.
• Financial Security: We provide programs designed to help Eligible Employees protect income, prepare for retirement, manage eligible expenses, and strengthen long-term financial resilience.
• Work-Life Effectiveness: We recognize the importance of appropriate time away from work, flexibility where practicable, and resources that help Eligible Employees balance professional and personal responsibilities.
• Professional Growth: We encourage continuous learning, technical development, leadership, recognition, and opportunities for Eligible Employees to expand their capabilities and careers.

All ProSidian Engagement Teams set, manage, pursue, and achieve annual goals across ProSidian's eight core competencies: Personal Effectiveness, Continuous Learning, Leadership, Client Service, Business Management, Business Development, Technical Expertise, and Innovation & Knowledge Sharing (Thought Leadership). They should support business development activities. A Global Competency includes the knowledge, skills, behaviors, and judgment needed to work effectively across industries, cultures, locations, and clients. These standards apply to CONUS and OCONUS teams: the same competencies guide operations, leadership, problem-solving, and value addition. For engagement teams, these skills involve owning commitments, collaborating, understanding client needs, managing resources, identifying value, exercising judgment, and sharing knowledge. They set expectations, foster growth, and ensure smooth execution. For clients, these skills enable responsive service, informed advice, disciplined delivery, and solutions fostering long-term growth. Applying these competencies builds trust, adaptability, and client success—delivering clarity, insight, and impact.

Eight ProSidian Global Competencies

1. Personal Effectiveness – The ability to manage tasks, time, and relationships efficiently, achieving consistent, impactful results.
2. Continuous Learning – Continuous pursuit of knowledge, skills, and adaptability to stay relevant, competent, and competitive in the profession.
3. Leadership – Inspiring, guiding, and motivating others to achieve goals, while promoting accountability, teamwork, and organizational success.
4. Client Service – Delivering responsive, high-quality solutions that address client needs, build trust, and strengthen long-term partnerships.
5. Business Management – Managing people, processes, and resources to achieve strategic goals, improve efficiency, and sustainable outcomes.
6. Business Development – Identifying and securing growth opportunities through strategic relationships, market insights, and innovation.
7. Technical Expertise – Applying specialized knowledge, analytical skills, and practical experience to solve complex problems with accuracy.
8. Innovation & Knowledge – Sharing expertise through Thought Leadership, creating solutions, exchanging insights, and shaping industry trends.

Instructions On The Best Way To Apply

ProSidian provides equal employment opportunity and evaluates candidates without regard to race, gender, age, disability, veteran status, or other protected traits.  All data remains confidential per EEO standards.  The company supports the Hiring Our Heroes Program and the 'I Hire Military' Initiative, welcoming all—including veterans—to apply. 

Our core value, 'Honor Above All,' emphasizes integrity, resilience, and excellence.  To apply, visit https://www.ProSidian.com/careers/ or email your resume, salary expectations, and job details to careers @ ProSidian.com.  Only qualified applicants will be considered.  Use a clear email subject, e.g., Application – [Job Title] – [Job Ref Code] – [Your Full Name].

Risk Management | Compliance | Business Processes | IT Effectiveness | Engineering | Environmental | Sustainability | Human Capital