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Senior Accountant

Seneca Holdings
medical insurance, 401(k)
United States, D.C., Washington
Aug 27, 2025

Great Hill Solutions, LLCis part of the Seneca Nation Group (SNG) portfolio of companies. SNGis Seneca Holdings' federal government contracting business that meets mission-critical needs of federal civilian, defense, and intelligence community customers. Our portfolio comprises multiple subsidiaries that participate in the Small Business Administration 8(a) program. To learn more about SNG, visitthe website and follow us onLinkedIn.

Our team of talented individuals is what makes us successful. To support our team, we provide a balanced mix of benefits and programs.Your total rewards package includes competitive pay, benefits, and perks, flexible work-life balance, professional development opportunities, and performance and recognition programs. We offer a comprehensive benefits package that includes medical, dental, vision, life, and disability, voluntary benefit programs (critical illness, hospital, and accident), health savings and flexible spending accounts, and retirement 401K plan. One of our fundamental principles is to offer competitive health and welfare benefits to our team members, providing coverage and care for you and your family. Full-time employees working at least 30 hours a week on a regular basis are eligible to participate in our benefits and paid leave programs. We pride ourselves on our collaborative work environment and culture, which embraces our mission of providing financial and non-financial benefits back to the members of the Seneca Nation.

Great Hill is seeking Senior Accountants to work a hybrid schedule in Washington, DC supporting our government customer.

Responsibilities include, but are not limited to:

Tasks will be performed in the Washington, D.C., metropolitan area. Specific tasks include:

Letter of Credit (LOC)

Under the technical direction of M/CFO, the contractor will perform various LOC activities to include the following and as assigned by the Director of M/CFO/CMP.



  • Develop and implement processes to reconcile Phoenix records to Department of Health and Human Services (DHHS) Payment Management System (PMS).
  • Analyze and process held and rejected transactions.
  • Assist in monitoring Phoenix/PMS interface for accuracy of data elements.
  • Log into PMS and download daily file on the server folder for batch job run.
  • Identify and resolve any differences between Phoenix and PMS.


Intra-governmental Payment and Collection (IPAC)

Under the technical direction of M/CFO, the contractor will monitor and accept charges and/or credits to USAID from other government agencies. The supporting documentation for these IPAC accounting transactions must be accumulated, analyzed, and then accurately recorded in the Phoenix accounting system. The recording must be kept current to ensure that IPAC charges/credits are allocated to the correct appropriations to avoid the transfer of these activities to suspense accounts.

United States Personal Service (USPSC) Payroll

The Contractor will have a working knowledge of payroll processes as they relate to USPSC payroll and will manage these processes for all USPSCs worldwide, under the technical direction of M/CFO. Tasks will include the following:



  • Review and validate the data from USAID overseas missions.
  • Create and reactivate the contractor's payroll profile with the NFC.
  • Monitor time and attendance (TA) reporting and correct rejected TA submissions.
  • Monitor USPSC Payroll processing at the NFC.
  • Transmit to NFC 401K deductions and contributions and medical insurance premiums.
  • Maintain and update the contract crosswalk table between NFC and Phoenix.
  • Monitor payroll charges and the interface between Treasury and Phoenix.
  • Monitor and follow-up on rejected transaction postings.


Payment Services

Support Staff provided by the contractor will perform filing where applicable, scheduling, and accounting/reconciliation services. These contractor employees will work closely with the examiner staff to handle activities that are not generally recognized as voucher examiner activities. Major work functions will include the following assignments:



  • File Specialists: Create, maintain, and oversee contract files of M/CFO/CMP, as well as the storage of file information in ASIST. The file specialists will also be charged with responsibilities for preparing files for retirement and for the consolidation of obligation and payment documents into a single filing location in the electronic software program.
  • Accounting/Reconciliation Services: Perform in-depth analysis and research of contract/grant problems from past years and for the control and reconciliation of vendor files to the Phoenix records and subsidiary ledger to the general ledger. Additional support may be required for other M/CFO operations as specified by the Director of M/CFO/CMP.


Risk Assessment

The contractor is expected to support processes that regulate policy and programs regarding the use of partner government public financial management systems to promote government-to- government (G2G) assistance, demonstrate impacts, and incorporates lessons learned/best practices. A strong level of knowledge in risk management will be necessary to assist the Missions and other Federal Agencies to ensure that Government to Government (G2G) assistance programs/projects can identify, assess, and manage fiduciary risks. Tasks will include the following:



  • Provide expert advice and guidance on broad projects/programs with partner government national and/or sub-national, sector level impact. Guidance requires extensive interpretation for many different and unrelated program processes and methods, such as interpretations of original legislative or judicial intent and advice on revisions to existing policies and programs to meet requirements.
  • Act as the Risk Management Team (RMT) liaison with offices, bureaus, and missions to promote the use of the USAID Public Financial Management Risk Assessment Framework (PFMRAF) for proposed G2G activities.
  • Consult with senior levels of management within USAID, and with partner governments' program counterparts on significant and pertinent USAID country programs.
  • Review policies, guidance, manuals, and other documentation. Recommend long-range program plans, goals, objectives, and milestones, which serve as the basis for substantive changes in the organization and administration of programs affecting foreign assistance.
  • Prepare PFMRAF reports and analyses related to USAID G2G programs/projects including monitoring of PFM fiduciary risk assessment mitigation actions, policies, and procedures.
  • Deliver Agency-wide training ("Introduction to Public Financial Management Risk Assessment Framework (PFMRAF)".
  • Assure quality control and consistency for: a) the use of the PFMRAF, including development and maintenance of the PFMRAF manual and related Agency training; b) analyzing data supporting PFMRAF conclusions and recommendations; c) Stage 1 - Rapid Appraisals, Stage 2 Risk Assessment Statements of Work and reports, and risk response plans required under the PFMRAF; and, d) develop a list of PFM risk assessment evaluation criteria (Stage 2 - Risk Assessment questionnaire) for customization and use by Missions.
  • Clear the PFMRAF Stage 1 - Rapid Appraisal scope and final report package and Stage 2 - Risk Assessment Statements of Work, strategies, and final report package.
  • Provide continuing policy analysis and advice to the CFO, Agency leadership and Missions on assessment of Public Financial Management (PFM) systems, as appropriate and necessary.
  • Coordinate with other USAID offices, Missions, and stakeholders for the maintenance of a repository of information related to PFMRAF, PFM, and related subject matter.
  • Facilitate communication and activities between the Missions, Bureaus, USAID leadership, external stakeholders (i.e., partner government officials, civil society representatives), and the donor community regarding PFMRAF and related activities.
  • Act as subject matter experts on PFMRAF guidance, training, and other related matters.
  • Advise the CFO on policies and guidance to be disseminated to the field. Missions and Controllers in the application of the PFMRAF and related G2G activities.
  • Support completion of the risk assessment tool envisioned as a core internal control for the use of partner government systems;; actively participates in the bilateral and multilateral consultation, which may include acting as principal Agency representative to various task forces, committees and other bodies; provides technical support to USAID Bureau for Policy, Planning, and Learning (PPL); and may clear policy documents affecting the Agency's risk exposure through use of partner government systems.
  • Work with the PPL Bureau on policy updates ADS 200 series and coordination of ADS 220.
  • Act as the G2G Information Desk Coordinator- to provide G2G design and implementation guidance. Procedures are evolving and Missions need timely guidance and response to inquiries as they arise. The desk includes membership from GC, PPL, CFO, DRG and LS staff.
  • Participate as an active member of the Local Solutions Team and work streams.


Basic Qualifications:



  • Senior Accountant must possess a minimum education of a bachelor's degree in accounting or Auditing and a minimum of five years of experience in government payments, reconciliation and payroll activities or 10 years of experience in the above activities. The additional 5 years can be substituted for a bachelor's degree.
  • Experience with USAID and Department of State Letter of Credit, Intra-governmental Payment and Collection (IPAC), United States Personal Service (USPSC) Payroll, Voucher Examination, Accounts Reconciliation, Payroll, and Risk Assessment Services is highly desired.



Equal Opportunity Statement:
Seneca Holdings provides equal employment opportunities to all employees and applicants without regard to race, color, religion, sex/gender, sexual orientation, national origin, age, disability, marital status, genetic information and/or predisposing genetic characteristics, victim of domestic violence status, veteran status, or other protected class status. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leave of absence, compensation and training. The Company also prohibits retaliation against any employee who exercises his or her rights under applicable anti-discrimination laws. Notwithstanding the foregoing, the Company does give hiring preference to Seneca or Native individuals. Veterans with expertise in these areas are highly encouraged to apply.

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