We'Re Hiring! Bookkeeper / Account Manager

Mbooks Business And Accounting Solutions Pty Limited; Sydney; Hybrid; AUD 68,000 - 83,000; Full time

Benefits offered by this job

Hybrid work arrangements

Employee benefits such as retail DIScO

Annual awards

Job summary

Certis Security Australia is seeking an experienced Accounts Payable Officer to join our finance team on a 12-month maternity leave contract. You will manage a high-volume AP portfolio, process invoices, and ensure timeliness and accuracy across supplier and subcontractor payments.

Reporting to the Accounts Payable Team Leader, you will reconcile statements, assist with month-end, audits, and collaborate with Procurement and budget holders to keep cash flow healthy.

Qualifications

• 2–3 years of experience in a full-function accounts payable role.
• High level of accuracy and attention to detail.
• Experience working with financial systems and high-volume transactions.

Responsibilities

• Process supplier invoices accurately and efficiently in line with policy.
• Match invoices to purchase orders and approvals where required.
• Ensure invoices are correctly coded and approved within delegated authority.
• Process payments in line with agreed supplier terms and schedules.
• Reconcile supplier statements and resolve discrepancies.
• Assist with month-end, audit and wider finance tasks as required.

Skills

Accounts Payable

High-volume AP

Attention to detail

Education

Finance/Accounting qualification

Tools

Microsoft Dynamics 365

Job description

Accounts Payable Officer

12-month maternity leave contract. Join our finance team on a temporary assignment.

Job Description

We're partnering with a high-profile ASX-listed Australian business that is looking for an experienced Accounts Payable Officer to join their finance team on a 12-month maternity leave contract.

Key Responsibilities

• Manage a high-volume AP portfolio across suppliers and subcontractors.
• Process and code invoices and subcontractor claims.
• Prepare weekly and monthly payment runs.
• Reconcile supplier statements and resolve discrepancies.
• Maintain vendor records and ensure accurate documentation.
• Manage AP queries and liaise with internal stakeholders.
• Assist with month-end, audit and wider finance tasks as required.

About You

• 2–3 years’ experience in a full-function Accounts Payable role.
• High level of accuracy and attention to detail.

Be part of something big — where accuracy keeps everything moving.

At Certis Security Australia, we deliver innovative, integrated security solutions that create safer environments — including major events and high-profile sites across Australia.

Our commitment is to a Safer, Smarter and Better workplace, where people are supported, respected and empowered. As Australia's only next-generation security company operating at scale, we're transforming how we work through technology, automation and operational excellence.

Behind every safe, successful operation is accurate data and disciplined processes. That's where you come in.

As an Accounts Payable Officer, you'll play a key role in supporting strong financial governance and supplier confidence.

By processing supplier invoices accurately, on time, and in line with controls, you'll help maintain effective cash flow management, reduce risk, and ensure AP records are audit-ready. Getting it right at this stage keeps everything downstream running smoothly.

About the Role

This is a detail-focused, process-driven role for someone who enjoys working with numbers, systems, and clear workflows.

Reporting to the Accounts Payable Team Leader, you'll handle day-to-day AP processing, resolve supplier queries, and work closely with Finance, Procurement, and budget holders to ensure invoices are processed correctly and paid on time. Budget for this role is $75,000 plus super.

What You’ll Be Doing

Accounts Payable Processing

• Process supplier invoices accurately and efficiently in line with policy.
• Match invoices to purchase orders and approvals where required.
• Ensure invoices are correctly coded and approved within delegated authority.
• Process payments in line with agreed supplier terms and schedules.

Supplier Queries & Issue Resolution

• Respond to supplier enquiries professionally and within service standards.
• Investigate and resolve invoice discrepancies and payment issues.
• Liaise with internal stakeholders to resolve coding or approval delays.
• Escalate complex or high-risk matters to the Accounts Payable Team Leader.

Compliance, Controls & Documentation

• Follow AP controls, segregation of duties, and audit requirements.
• Maintain accurate, timely system notes and supporting documentation.
• Adhere to approved processes, templates, and approval pathways.

Systems & Reporting

• Use AP and finance systems accurately and consistently.
• Maintain up-to-date records of invoices, approvals, and payments.
• Support reporting, audits, and reviews as required.
• Identify recurring issues or opportunities to improve processes.

Team & Stakeholder Engagement

• Work closely with the Accounts Payable Team Leader and Finance team.
• Liaise with Procurement, budget holders, and other stakeholders as required.
• Contribute to a professional, cooperative, and accountable team environment.

About You (continued)

You're organised, reliable, and detail-driven — someone who takes pride in accuracy and consistency.

You'll bring:

• Experience in accounts payable or finance operations.
• Strong attention to detail and accuracy.
• Experience working with financial systems and high-volume transactions.
• Ability to manage deadlines and competing priorities.

Bonus points if you have:

• Microsoft Dynamics 365 experience.
• Experience in a regulated or complex operating environment.
• A certificate or tertiary qualification in Finance, Accounting, or a related discipline.

What We Offer

• Technology-led, intelligent security and facilities management solutions across Australia's most critical sectors.
• Collaborative, fast-paced work environment with hybrid work arrangements.
• Commitment to diversity and inclusion; applications encouraged from women, Aboriginal and Torres Strait Islander peoples, and candidates from diverse backgrounds.
• Employee benefits such as retail discounts, annual awards, regular employee engagement survey and a Reward & Recognition Framework.

Next Steps

Once you've submitted your application, the next step is to complete a virtual interview with Certis.

This is an important part of our hiring process and must be completed for your application to be considered further.

After you've finished your virtual interview, our hiring managers will review all candidates. If you're successful in progressing to the next stage, we'll be in touch to let you know what's next.

Diversity Statement

Within Certis Australia, we believe our strength lies in the diversity of our people. We offer an inclusive culture where you can be your authentic self, contribute your unique perspective and grow with equal opportunities for advancement. Our commitment to a Safer, Smarter and Better workplace ensures every employee is supported, respected and empowered. We actively encourage First Nations and Torres Strait Islander people to apply as we build a brighter future, where all voices matter.