Senior Admin Assistant – Hybrid Sydney (3-5 yrs)

Mameehart Goodies [Demo]; Sydney; Hybrid; AUD 55,000 - 75,000; Full time

Job summary

InterSystems is seeking an Administration Assistant in Sydney to provide essential clerical support and help manage everyday office operations. The role emphasizes accuracy, proactive task ownership, and high attention to detail to maintain smooth business processes.

You will support meeting logistics, event preparation, and financial reconciliation while leveraging strong MS Office skills and effective communication with stakeholders.

Qualifications

• 3-5 years’ experience as an Administrative Assistant in a corporate environment
• Proficiency in MS Office Suite (Word, Excel, Outlook) and digital tools such as MS 365/Workday is desirable
• Strong written and verbal communication abilities are essential

Responsibilities

• Reception relief (cover for lunch, breaks and Friday afternoon)
• Assist in organising and preparing for internal staff events
• Manage daily staff movements
• Coordinate meetings, calls and video conferences with internal and external stakeholders
• Prepare documents and presentations (formatting, printing, binding)
• Assist with monthly Amex reconciliation

Skills

MS Office

Word

Excel

Outlook

Microsoft 365

Workday

Communication skills

Education

Office/Business Admin education

Job description

InterSystems is seeking an Administration Assistant in Sydney to provide essential clerical support and help manage everyday office operations. The role emphasizes accuracy, proactive task ownership, and high attention to detail to maintain smooth business processes.

You will support meeting logistics, event preparation, and financial reconciliation while leveraging strong MS Office skills and effective communication with stakeholders.