Accounts & Administration Assistant: Growth in Finance

One-Step Marketing & Promotions; Sydney; On-site; AUD 55,000 - 75,000; Full time

Job summary

One-Step Marketing & Promotions (OSMP) is seeking an Accounts & Administration Assistant to join our Sydney CBD office full-time. This entry-level role supports daily accounting, payroll and general administration while offering development in a growing, family-owned agency.

The ideal candidate will have a relevant degree and up to 12 months of accounts experience, with strong Excel, Word and Outlook skills and a proactive, detail-oriented approach. We encourage a long-term career within OSMP.

Qualifications

• Completed Bachelor's or Master's degree in Accounting, Finance or related discipline.
• Approximately 6–12 months of experience in accounts processing, invoicing or financial administration.
• Basic knowledge of Accounts Payable and Accounts Receivable.
• Good computer skills, including Microsoft Excel, Word and Outlook.
• Strong attention to detail and numerical accuracy.
• Excellent organisational and time-management skills.
• Professional written and verbal communication skills.
• Positive attitude and proactive approach.
• Ability to work independently and as part of a team.

Responsibilities

• Accounts & Finance: Assist with Accounts Payable and Accounts Receivable.
• Accounts & Finance: Process supplier invoices, customer invoices and payments.
• Accounts & Finance: Enter financial data accurately and maintain records.
• Accounts & Finance: Monitor outstanding invoices and follow up with debtors.
• Accounts & Finance: Assist bank reconciliations and account balances.
• Accounts & Finance: Track expenses, receipts and other transactions.
• Accounts & Finance: Support fortnightly payroll processing and timesheet admin.
• Accounts & Finance: Prepare basic financial reports and spreadsheets.
• Accounts & Finance: Maintain up-to-date financial documentation.
• General Administration: Manage office correspondence, emails and phone inquiries.
• General Administration: Maintain electronic and physical filing systems.
• General Administration: Assist staff records, onboarding and HR administration.
• General Administration: Coordinate meetings and appointments.
• General Administration: Provide admin support to management and teams.
• General Administration: Maintain employee and client documentation.
• General Administration: Support day-to-day office operations.

Skills

Attention to detail

Organisational skills

Numerical accuracy

Communication skills

Time-management

Teamwork

Proactive attitude

Independent work

Education

Bachelor's or Master's in Accounting/Finance

Tools

Excel

Word

Outlook

Job description

One-Step Marketing & Promotions (OSMP) is seeking an Accounts & Administration Assistant to join our Sydney CBD office full-time. This entry-level role supports daily accounting, payroll and general administration while offering development in a growing, family-owned agency.

The ideal candidate will have a relevant degree and up to 12 months of accounts experience, with strong Excel, Word and Outlook skills and a proactive, detail-oriented approach. We encourage a long-term career within OSMP.