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HR and Office Administrator

NinjaOne -
North Sydney NSW

Apply Now

Job Details

Part-time

Qualifications

Microsoft Excel
Microsoft Outlook
Logistics
Microsoft Office
Administrative experience
SharePoint
Payroll
Communication skills
Time management
Office experience

Full Job Description

About the Role

As NinjaOne's HR and Office Administrator, you're the friendly face and first impression of our Sydney office. This is someone who genuinely enjoys connecting with people and making everyone feel welcome, whether that's a colleague, a visitor, or a delivery person.

You'll be hands-on across day-to-day office and HR admin, supporting the local leadership and HR team with everything from onboarding to office events and vendor coordination. The role also includes a payroll compliance component - supporting Australian statutory lodgements and keeping the business across legislative updates, so some existing knowledge of AU payroll obligations is a big plus.

If you love keeping things organised, enjoy celebrating milestones (any excuse for a team lunch, really!), and take pride in creating a workplace where people actually want to show up, this one is for you :)

Location and Schedule – Part time, 3 days in the Sydney office on Monday, Wednesday, and Friday, 22.5 hours per week from 8:30 am – 5:00 pm (including 1 hour lunch break) with ability to cover company office events.

What You’ll be Doing

Serve as the go-to person for all office operations; overseeing facilities, maintenance, repairs, and day-to-day needs to keep the workplace running smoothly.
Track, order, and replenish office supplies, snacks, and beverages regularly, ensuring the team always has what they need.
Own the new starter onboarding experience, coordinating logistics, a warm welcome and verifying payroll-related documentation such as TFN declarations and Superannuation choice forms.
Plan and coordinate office events including catered lunches, team celebrations, quarterly engagement activities, and off-site conferences.
Manage correspondence, deliveries, travel arrangements, meeting scheduling, and logistics support for visitors and the wider team.
Handle the financial administration of office operations; processing expense reports, invoices, purchasing, and inventory management to ensure accuracy and timely payments.
Build and maintain relationships with external vendors across cleaning, catering, security, and building services, holding them to a consistently high standard.
Partner with HR and leadership to keep office policies up to date, coordinate safety and First Aid training, and contribute to a positive and well-functioning workplace.
Assist with Australian statutory lodgements including Payroll Tax registrations, Workers' Compensation declarations, and state-based filings, and coordinate with government bodies as required.
Monitor and flag Australian payroll legislation updates, ATO notices, and compliance changes to the Payroll Manager in a timely manner.
Other duties as needed.

About You

1+ Years of experience as an Office Manager, Front Office Manager or Administrative Assistant preferred but not mandatory.
Existing knowledge of Australian payroll legislation and statutory lodgements is highly desirable; including state-based lodgements, payroll tax (quarterly), workers' compensation declarations, TFN, and superannuation requirements
Strong interpersonal skills, with the ability to work with a variety of people and teams
Excellent time management skills with the ability to multi-task, prioritize work and manage projects
Attention to detail and problem-solving skills
Solutions focused with the ability to gather and present multiple options as solutions to the executive team
Enhanced organisational and planning skills with the ability to operate in a fast paced, ever evolving environment
Polished written and verbal communication skills
A creative mind with the ability to suggest improvements
Proficiency in MS Office (MS Excel and MS Outlook, in particular) as well as Zoom, Canva, SharePoint, Dropbox, Slack, etc.

About Us
NinjaOne unifies IT to simplify work for more than 40,000 customers in 140+ countries.

The NinjaOne Unified IT Operations Platform delivers endpoint management, autonomous patching, backup, and remote access in a single console to improve efficiency, increase resilience, and reduce spend. By automating IT and managing all endpoints, organisations give employees a great technology experience at work.

NinjaOne is obsessed with customer success and has retained a 98% customer satisfaction score for more than 5 years.

What You’ll Love

We are a collaborative, kind, and curious community
We prioritise your work/life balance offering a hybrid work environment and free in-office lunches throughout the week
We reward your work with opportunity for growth and advancement
Grow personally and together with one of the fastest growing companies globally
Develop your skills through our renowned training platform
Receive competitive compensation
Collaborate with an amazing international workforce

Additional Information

This position is NOT eligible for Visa sponsorship.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, genetic information, marital status, veteran status, or any other status protected by applicable law. We are committed to providing an inclusive and diverse work environment.

#BI-Hybrid
#LI-Hybrid
#LI-PV1

Apply Now

Refine Your Search

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