Steritech is the leading and trusted contract sterilisation and decontamination processor in the Asia-Pacific region, and one of the largest worldwide. We are a customer and employee focused business that provides clients with unique opportunities to open their business to recent markets through innovative, technically advanced solutions.
Position Overview
We are seeking an organised, reliable and customer-focused Site Administration Officer to support the day-to-day operations of our site. This is a part-time, 0.6 FTE position working three days per week.
This varied role will see you managing front-of-house enquiries, supporting warehouse dispatch activities, accounts receivable tasks and providing general administrative support to the site management and Quality teams.
You will work closely with the General Manager, Site Operations Manager, Quality team, customers, carriers and employees across the site.
What You'll Be Doing
Your responsibilities will include:
Acting as the first point of contact for visitors, customers and carriers
Managing inbound telephone calls and general office enquiries
Coordinating customer and courier collections
Completing data entry and maintaining accurate records in warehouse and business systems
Supporting accounts receivable activities, including invoicing, receipting payments and following up outstanding accounts
Preparing documents, reports and spreadsheets as required
Managing filing, stationery, consumables and general office requirements
Providing administrative support to site management, the Quality team and broader warehouse operations
Key Requirements – About You
You will be an organised, approachable and reliable administrator who is comfortable working in a busy operational environment. You will communicate professionally with customers, carriers and employees, maintain a high level of accuracy, and confidently manage competing priorities. You will also be adaptable,



willing to learn new systems and processes, and able to work independently while contributing positively to the broader site team.
Essential Qualifications, Knowledge & Skills
Previous experience in administration, office support, reception or a similar role
Certificate III or higher in Business Administration or a related field, or equivalent relevant experience
Strong communication, organisation and attention to detail
Confidence using business systems and completing accurate data entry
First Aid and Emergency Warden training, or willingness to obtain
Preferred Qualifications, Knowledge & Skills
Certificate IV in Business Administration
Experience in accounts receivable, invoicing, dispatch or warehouse administration
Experience in an operational, manufacturing, healthcare or regulated environment
Application Requirements
Steritech ONLY accepts applications from all people with the right to live and work in Australia.
Preferred candidates will need to provide professional referees to provide working references.
Successful candidates willbe requiredto undergo a Pre-employment Medical check and National Police check.
Why Join Us?
Enjoy a varied, part-time 3 day per week role
Play an important role in supporting the day-to-day operation of the site
Work with a collaborative team where safety, quality and customer service are valued
Join a leading business operating across the Asia-Pacific region
Diversity, Equity and Inclusion Declaration
Steritech is dedicated to building a diverse, inclusive and authentic workplace. We are committed to a culture of diversity and inclusion that embraces and celebrates the differences and similarities within our people.
Steritech welcomes and encourages applicants from all backgrounds, and all suitable candidates will be considered regardless of age, ability, race, gender expression, sex, cultural background, spiritual beliefs or lived experience.
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📌 Site Administration Officer (Sydney)
🏢 Steritech
📍 Sydney