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
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
Solid 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
Exposure to procurement or purchase‐order‐based AP processes
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.
Certis Security Australia Master License
Sydney Night Patrol & Inquiry Co Pty Ltd
NSW
ACT ********
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WA SA*****
NT 345
SA ISL ******
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Certis Security Australia Pty Ltd
NSW
ACT ********
QLD *******
WA SA *****
SA ISL ******
VIC Z*********S
VIC Z*********S
NT ****
TAS
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📌 Accounts Payable Officer (Sydney)
🏢 Certis
📍 Sydney