Manager, Accounts Payable (1 year contract)

Date: 14 Apr 2026

Location:

Singapore

Business Unit: Group Shared Services

About Certis

Certis is a leading outsourced services partner that designs, builds and operates multi-disciplinary smart security and integrated services. Our multi-service offerings leverage our strong heritage in security, and are augmented by applied AI solutions. These solutions are part of our comprehensive technology development and systems integration capabilities that are fully cyber secure by design.

We forge deep partnerships with our customers in the private and public sector. Our customers trust in our unique principle of Operational-Design First, and share our belief that technology and operations must work hand-in-hand, not in silos.

With your business needs firmly in mind, we first seek to understand your operations thoroughly, so that we co-create the perfect experience that drives optimal outcomes for you. Underpinned by robust process design, we will operationalise the full turn-key solution that guarantees results.

At Certis, we seamlessly orchestrate security, facilities management and customer experience for greater cost efficiencies that empower your future. We are committed to building a safer, smarter, better and more sustainable business for you.

Certis is headquartered in Singapore, with an international presence that extends to Australia and Qatar.

Life at Certis

If you are a passionate individual looking for opportunities to expand your skills, and purposeful work instead of just a ‘job’, we would love to hear from you. At Certis, no two days look alike. Our work calendars are filled with chances to collaborate with others, and bring new initiatives to life. Whether you’re looking to improve a process, or have an innovative idea awaiting a technology solve, we want you to bring your ideas to the table. We are a close-knit team that looks out for each other, works hard to get the job done, and encourages each other to grow – the perfect place for you to grow your career!

Duties & Responsibilities

Operational Excellence

Lead the Accounts Payable (AP) team in Group Shared Services; ensure timely, accurate processing of invoices, payments, claims, refunds and vendor reconciliations.
Manage AP month-end close (sub-ledger close, accruals, reconciliations) and coordinate month/year-end requirements with Group Finance.
Ensure AP processes and documentation comply with local statutory and filing requirements.
Monitor and report AP KPIs (DPO, on-time payments, GR/IR ageing, PO vs non-PO adoption, OCR accuracy) and deliver monthly management reports.
Partner with internal stakeholders and vendors to resolve disputes, unreconciled items and exceptions within agreed timelines.
Support audits and respond to internal/external audit queries promptly.
Drive process improvement, automation and digitalisation initiatives.
Support SAP ECC6 to SAP S/4HANA migration (testing, UAT, hypercare, change management).

Data Analytics & Reporting

Analyse AP metrics (invoice turnaround, DPO, GR ageing, vendor performance) to identify trends, root causes and improvement opportunities.
Develop and maintain dashboards/reports using Excel and data visualisation tools (e.g., Power BI, SAP Analytics Cloud).
Prepare management presentations for operational reviews and project updates.

Process Improvement & Transformation

Support automation initiatives (OCR, RPA, SAP S/4HANA) via workshops, UAT and process documentation.
Identify control/process gaps, implement best practices, and improve accuracy, timeliness and efficiency.
Contribute to transformation workshops and continuous improvement forums.

Stakeholder Management

Work with BUs, Procurement, Finance and vendors to resolve payment and operational issues.
Provide timely updates and proactive issue management across stakeholders.
Coach junior team members on policies, processes and systems as required.

Ad-hoc

Prepare ad-hoc analyses, reconciliations and management reports.
Represent AP in cross-functional projects and process alignment meetings.