About Us
At Thomas Global Systems we are committed to advancing national security through leading aerospace and defense solutions. We support government and commercial partners with innovative technology, uncompromising quality, and operational excellence. Join a team where your work truly matters.
The Role
We're looking for a proactive Office Administrator to be the heartbeat of our Sydney Olympic Park office —owning day-to-day operations, creating a welcoming front of house experience, and supporting teams to do their best work. This role suits a highly organised self-starter who thrives in a fast paced, security conscious environment and enjoys variety across administration, coordination and event support.
This role can be offered either full time or on a permanent part-time basis 4 days per week (with pro-rata salary). The role is based fully onsite at our Sydney Olympic Park office.
What You'll Do
* Coordinate meetings, manage calendars and arrange meeting rooms; provide high quality reception/front of house service for visitors.
* Oversee office setup, facilities, maintenance, equipment and supplier relationships; manage office supplies and stationery to budget.
* Book travel and accommodation in line with company travel policies.
* Process expense claims and invoices accurately and on time.
* Support internal events and team activities (including catering).
* Provide leave coverage for the EA/Office Manager as needed.
* Coordinate onboarding for new starters.
* Maintain organised, secure filing systems and handle sensitive information with discretion.
* Provide general administrative support across the organisation.
What You Bring
* 3+ years in administration/office coordination with knowledge of office equipment and procedures.
* Australian Citizenship
* Excellent written and verbal communication.
* Strong organisation, prioritisation and attention to detail skills.
* Ability to work independently and take initiative.
* Proficiency with Microsoft Office and modern workplace tools.
* Discretion, integrity and comfort working with confidential information.
* Event planning/project support is an advantage
How to Apply
All applications must be submitted by Sunday 8 February 2026 via Careers at Thomas Global Systems