Chaos1 is an Australian defence company with a mission to forge a faster path to warfighter capability. Purpose-driven and mission-first, Chaos1 deploys the people, processes and technologies needed to tackle defence's toughest problems. In a world where time is short and the threats are real, Chaos1 is the catalyst that operates forward to rapidly field warfighter capability in months.
ABOUT THE JOB
Chaos1 is seeking a mission-first Business Administrator to support the governance and finance administration of the company. You will keep the registers, records and calendars a defence company is audited on, support finance with transactions and reconciliations, and run the office administration that keeps the XFACTORY site working. You can expect to work directly with the executive leadership team and back of house functions.
WHAT YOU'LL DO
Maintain governance records including the executive meeting calendar, papers, minutes and the decision and action registers
Keep company registers current including contracts, insurances, licences and policies, and the compliance calendar evidence
Process accounts payable and receivable transactions, expense claims and credit card reconciliations to the month-end timetable
Support payroll and superannuation administration including timesheets, leave records and allowances
Run office administration including mail, supplies, visitors, meeting rooms and the front of house at XFACTORY
Run onboarding paperwork including forms, records and induction bookings
Book travel and accommodation for field activities against the campaign calendar
Prepare documents,



presentations and correspondence for the executives to Chaos1's templates
REQUIRED QUALIFICATIONS
AND EXPERIENCE
Certificate IV or Diploma in Business Administration, Accounting or a related discipline, or equivalent experience
Over 2 years in business, finance or governance administration
Experience with accounts processing, reconciliations or payroll administration in an accounting system such as Xero
Experience maintaining registers, records and minutes to an auditable standard
Working proficiency in Microsoft 365 including Word, Excel, SharePoint and Teams
Discretion with confidential company and personnel information
Clear written and spoken communication with staff, customers and suppliers
Australian citizenship and ability to obtain a Baseline security clearance
Ability to be onsite at Chaos1's XFACTORY, Sydney. This is a predominantly onsite role.
PREFERRED QUALIFICATIONS
AND EXPERIENCE
Experience in a defence industry SME, aviation or another regulated setting
Experience with company secretarial or board administration
Experience with travel booking and expense management for field teams
Experience with document control or a quality management system
Experience with an HR information system and onboarding administration




Progress towards an accounting or governance qualification
A current Baseline security clearance or above
SALARY
A salary benchmarked against the Australian defence market, plus above-mandated superannuation and annual salary reviews. Where you sit depends on your back-office experience and the breadth of your skills across the areas listed.
BENEFITS
Superannuation above the mandated rate.
25 days of annual leave
every year, a full week more than the standard four weeks.
Clearance sponsorship.
We sponsor your clearance and pay the vetting costs.
Mobilised from the start.
Your equipment, access and role brief are ready before you arrive, and you'll be part of live work within your first fortnight.
Chaos1 is an equal opportunity employer. We welcome applications from people of all backgrounds, and veterans and reservists are encouraged to apply. If you need an adjustment at any point in the process, tell us and we will make it.
DATA PRIVACY
Chaos1 handles your application under Australian privacy law and our applicant privacy notice. Offers are conditional on pre-employment screening, which may be run by a third-party provider and covers identity, right to work, qualifications and licences, references and a national police check. Clearance sponsorship runs through the Australian Government Security Vetting Agency and requires Australian citizenship. The role involves access to technology controlled under Australian export-control law and, on some programs, US ITAR and EAR, with access limited to authorised persons.
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📌 Business Administrator (Sydney)
🏢 Chaos1 Pty
📍 Sydney