VN 100/2026 Sr. Finance Associate (AP Invoice Processing)

Job Description

Under the overall supervision of the Chief, Global Shared Services Centre (GSSC) Finance Hub and the direct supervision of the Finance Officer (AP, AR & TBR), the Senior Finance Associate – AP Invoice Processing will provide specialized assistance in managing the accounts payable (AP) invoice processing across assigned regions and missions. The successful candidate will be responsible for supporting the review and processing of AP invoices processing, validating quality and compliance, resolving complex invoice processing issues, providing technical guidance to AP invoice processing staff and Third-Party Contractors (TPCs) under assigned regions and country offices, maintaining internal controls, and supporting continuous improvement of accounts payable processes.

Responsibilities

1. Coordinate and monitor AP invoice processing activities across assigned regions and missions.

2. Perform second-level review, invoice validation and quality control of AP transactions, verifying that:

   1. Claims are valid, specifically that services/goods have been rendered/received, except for advance payments;

   2. Invoice details are accurate and supporting documents are attached and compliant with IOM policies and procedures, as well as applicable donor requirements provided by the missions and regions;

   3. Values are accurate and any missing information is obtained from concerned units or staff members, missions, and regions;

   4. WBL, task number, and award number are valid and confirmed by Resource Management Officer (RMO) or the mission’s finance focal point, particularly for non-PO based invoices;

   5. Invoices matched against Purchase Orders (POs), Goods Receipts (GRs), and contracts where applicable;

   6. Invoice lines created using the "Match Invoice Lines" functionality for PO-based invoices;

   7. Resolve invoice holds, matching exceptions, tax discrepancies, and other processing issues within established procedures and escalate matters requiring higher-level decisions;

   8. Review adjustments, corrections, invoice cancellations, and prepayment applications, when required.

3. Coordinate the timely resolution of outstanding AP issues to avoid payment delays and escalate long-pending or unresolved AP issues to the mission’s RMO or assigned focal point. 

4. Coordinate and confirm transition timelines and effectivity dates with relevant units.

5. Review and approve Daily Time Records (DTRs) of the TPCs. 

6. Provide technical guidance, coaching, and training to AP processing staff and TPCs.

7. Monitor processing volumes, turnaround times, backlog, and service quality and promptly escalate to the supervisor any issues or challenges that may impact the payment process.  

8. Monitor workload, performance, and progress across the AP invoice processing team from an operational perspective and recommend adjustments where needed.

9. Act as the focal point for mission queries and operational clarification related to GSSC AP process, and escalate and coordinate issues with relevant units, as required. 

10. Support knowledge sharing and continuous process improvement initiatives.

11. Support the AP invoice processing rollout by coordinating with relevant units and providing guidance to missions during the transition of AP processes from the mission to GSSC. 

12. In coordination with Finance Office and Chief, GSSC Finance Hub, prepare AP process mapping and documentation to support mission readiness and facilitate a smooth transition before go-live. 

13. Conduct one-on-one meetings with missions and regions on AP Invoice Processing technical matters, when required, before and after go-live to facilitate smooth operations.

14. Monitor compliance with IOM financial regulations, AP policies, Oracle Wave controls, and segregation of duties requirements within assigned AP processes.

15. Monitor AP processes against service level agreements (SLAs) and operational targets.

16. Apply established internal controls and audit readiness. Support internal and external audit requests related to AP activities.

17. Identify and consult with the supervisor to determine the appropriate Wave role assignments for the AP team, considering segregation of duties, conflicting roles, individual job responsibilities, required system access levels, and applicable compliance requirements.

18. Support AP process improvements, standardization initiatives, and transition activities from missions to GSSC.

19. Identify efficiency opportunities and recommend appropriate improvements and best practices in invoice processing.

20. Summarize issues and challenges and escalate complex problems to the supervisor or higher-level management for resolution.

21. Serve as a focal point for GSSC AP-related operational guidance and escalations from assigned regions or country offices.

22. Perform such other relevant duties as may be assigned.

Qualifications

EDUCATION

• Bachelor’s degree in Accounting, Finance or a related field from an accredited academic institution with four years of relevant professional experience; or,

• High School diploma with six years of relevant professional experience;

• Certified Public Accountant (CPA) or equivalent is an advantage.

Accredited Universities are those listed in the UNESCO World Higher Education Database.

EXPERIENCE

• Experience in accounting, financial management, including familiarity with generally accepted accounting principles and internal controls; 

• Experience using Oracle/or other enterprise resource planning (ERP) systems, especially in finance stream (F2M) is an advantage;

• Experience in the UN system or international/multicultural environment is an advantage; and,

• Experience in conducting short training, coaching team members, and preparing presentation materials for meetings and short training sessions.

SKILLS

• Strong understanding of the IOM Financial Management Rules and Procedures (FMRP) is an advantage; 

• Demonstrated ability to manage multiple work assignments efficiently and effectively, and provide technical guidance to team members;

• High degree of analytical and problem-solving skills, including the ability to analyze financial information and accounting entries, examine documentation and reconcile discrepancies;

• Computer literacy including proficiency in MS Office applications; and

• Strong organizational skills, including the ability to maintain accurate and well-organized accounting records and documentation.

Required Competencies

IOM’s competency framework can be found at this link. Competencies will be assessed during the selection process.

Values - all IOM staff members must abide by and demonstrate these five values:

• Inclusion and respect for diversity: Respects and promotes individual and cultural differences. Encourages diversity and inclusion.

• Integrity and transparency: Maintains high ethical standards and acts in a manner consistent with organizational principles/rules and standards of conduct.

• Professionalism: Demonstrates ability to work in a composed, competent and committed manner and exercises careful judgment in meeting day-to-day challenges.

• Courage: Demonstrates willingness to take a stand on issues of importance.

• Empathy: Shows compassion for others, makes people feel safe, respected and fairly treated.

Core Competencies – behavioural indicators Level 2

• Teamwork: Develops and promotes effective collaboration within and across units to achieve shared goals and optimize results.

• Delivering results: Produces and delivers quality results in a service-oriented and timely manner. Is action oriented and committed to achieving agreed outcomes.

• Managing and sharing knowledge: Continuously seeks to learn, share knowledge and innovate.

• Accountability: Takes ownership for achieving the Organization’s priorities and assumes responsibility for own actions and delegated work.

• Communication: Encourages and contributes to clear and open communication. Explains complex matters in an informative, inspiring and motivational way.

Notes

Please refer to this link for guidance on IOM Job Category.

1. Any offer made to the candidate in relation to this vacancy notice is subject to funding confirmation.

2. This selection process may be used to staff similar positions in various duty stations. Recommended candidates will remain eligible to be appointed in a similar position for a period of 24 months.

3. Appointment will be subject to certification that the candidate is medically fit for appointment, accreditation, any residency or visa requirements, security clearances.

4. IOM has a zero-tolerance policy on conduct that is incompatible with the aims and objectives of the United Nations and IOM, including sexual exploitation and abuse, sexual harassment, abuse of authority and discrimination based on gender, nationality, age, race, sexual orientation, religious or ethnic background or disabilities.

5. IOM does not charge a fee at any stage of its recruitment process (application, interview, processing, training or other fee). IOM does not request any information related to bank accounts.

6. IOM only accepts duly completed applications submitted through the IOM e-Recruitment system (for internal candidates link here). The online tool also allows candidates to track the status of their application.

7. No late applications will be accepted. Only shortlisted candidates will be contacted.

For further information and other job postings, you are welcome to visit our website: IOM Careers and Job Vacancies

Required Skills

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