At Monz Aviation GSE, we're more than a service provider - we're a trusted partner to the aviation and defence industries. Since 2019, we've built a reputation for technical excellence, customer care, and reliable support. Now, we're looking for a highly capable Office Administrator with strong accounting experience to join our close-knit team in Tullamarine.What you'll be doing:This is a dynamic and fast-paced role for someone who enjoys variety, responsibility, and autonomy. You'll play a central role in supporting both finance and operations, with tasks ranging from accounts management to supplier coordination, inventory, and administration.Key Responsibilities:End-to-end Accounts Receivable & Payable in XeroBank reconciliations, cash flow monitoring, and journal entriesInventory management (Products & Services in Xero)Invoicing, credit checks, supplier onboarding & payment follow-upOrganising freight & courier logistics, packing and dispatching sales ordersOffice administration: filing, document management, supply orderingTravel bookings, team support, and liaising with our Auckland officeSupporting project admin and contributing to process improvementsWhat we're looking for:5 years' experience in office admin/accounting roles, with at least 3 years in AP/ARXero experience is essential (Comprehensive version - inventory, multi-currency)Strong skills in Microsoft Office, especially ExcelHigh attention to detail and accuracy - you can spot errors others missA proactive, self-starting attitude - you get things done without being chasedA calm, flexible nature - you're unfazed by shifting prioritiesStrong written and verbal communication skills - with emotional intelligenceNice to have:Experience working in mid-sized or multi-site businessesQualifications in Accounting, Finance, or Business AdminWhy Join Monz Aviation GSE?Flexible working hours - early start, early finish optionsFree on-site parking & on-site caféSmall, friendly, and hands-on teamGenuine ownership and autonomy in your roleOpportunities to grow, improve systems, and make a real impactBe part of a trusted name in the aviation and defence industryFamily-owned business with a 25-year legacyNote: A current police check is required for this role.Apply nowIf you're an organised, adaptable, and detail-oriented professional who thrives in a fast-moving environment, we'd love to hear from you. Apply now and bring your experience to a team that values initiative, integrity, and growth. Desired Skills and Experience This is a dynamic and fast-paced role for someone who enjoys variety, responsibility, and autonomy. You'll play a central role in supporting both finance and operations. At Horner we recognise the value of a diverse workforce and the creation of inclusive workforce cultures. We actively encourage applications from any background. We provide reasonable adjustments for individuals with disability - please email adjustments@horner.com.au if you require an adjustment to be made during the recruitment process. Please note that applications or resumes sent to this email address will not be accepted or responded to.
