Office Administrator

1 week ago


Sydney, New South Wales, Australia Diona Full time

**Join us. Realise your best career, here.**

As an Office Administrator at Diona, you will perform a range of administrative duties to ensure that the office operates smoothly. This dynamic role will drive operational excellence across the areas of office support and facilities management, as well as provide general assistance to the Director of Operations and two General Managers. Reporting to the Finance Controller, this role will also be involved in managing and where possible, resolving incoming queries related to finance matters.

**Why our people choose us**

We're big enough to deliver incredible work at scale. And we're small enough for it to mean so much more. We want to challenge, grow and win, together.

Diona is proudly part of Calibre Group, alongside Calibre and Sevengen. United we are a diversified Professional Services and Construction specialist. We provide a broad scope of engineering, consulting, construction, project delivery and management services across Australia.

We are delivering major, cutting-edge projects across our chosen markets underpinned by our focus on sustainability, renewables and technology.

**Being an Office Administrator with us is different. Here's why**:
**Make great projects work**

Diona is an award-winning business built on a solid reputation and more than 40 years of experience. We are specialists in cable laying installations, water, sewer and gas pipelines, as well as drainage and concrete construction. Our services encompass every aspect of utility infrastructure design and construction. And at Diona, you'll get close up, hands-on and stuck in.

**See your impact. Know it matters**

You're a pro-active self-starter who thrives on ownership, growth and responsibility. Your ability to provide seamless administrative support in a dynamic and fast-paced environment will help us deliver essential work that enables communities to thrive. You will have excellent interpersonal and communication skills, with an ability to build strong professional relationship at all levels of the organisation and with external stakeholders. At Diona, your efforts and achievements will be visible to all. And you'll never just be a number.

**Imagine your best career. Now realise it**

At the heart of our business are connected teams of talented people. They get a kick out of 'owning it' and challenging the status quo. We're growing fast and exploring 'new', so our people are too. There are so many opportunities to be created and taken at Diona. Find and follow your path and accelerate your career, here.

**Thrive with us We hope you'll bring**
- Previous experience in Office Administration or Executive Assistant role
- General understanding of financial practices as related to Accounts Payable (advantageous)
- Excellent organisation skills with the ability to multitask
- Well presented, with a proactive and motivated personality
- Excellent verbal and written communication skills
- Strong attention to detail
- Highly proficient in Office Suite

**Interested? We'd love to hear from you.**

If you're excited about the role but not sure if you meet the criteria, we still want to hear from you. When you join our talent community, you'll be first in line to be considered when a new opportunity comes up.



  • Sydney, New South Wales, Australia beBee Administrator Full time $83,000 - $111,500

    Administrative Support Specialist Job DescriptionTo achieve program/project objectives, we are seeking an Administrative Support Specialist to collaborate with our Project Management team on an ongoing basis.Key Responsibilities:Collaborate with the Project Management team to manage administrative work required to achieve program/project objectives.Develop...


  • Sydney, New South Wales, Australia beBee Administrator Full time $60,000 - $75,000

    Job DescriptionA strong administrator is required to work closely with Audika clinics, clients, insurers and lawyers to meet the needs of WorkCover clients. The role involves coordinating with the clinic network, liaising with different parties from client referral to device fitting and maintenance, collaborating with a national network of lawyers and...


  • Sydney, New South Wales, Australia Catholic Schools Office Full time

    St Joseph's Primary School, Wingham, is inviting applications for the role of Administrative Officer (Permanent Part-Time, 12.5 hours per week) starting in January 2026.Situated on the picturesque banks of the Manning River, St Joseph's Primary School is a welcoming and inclusive community, offering quality Catholic education for students from Kindergarten...


  • Sydney, New South Wales, Australia Catholic Schools Office Full time

    Corpus Christi Primary School Waratah is seeking a Temporary Administrative Officer to join our vibrant team for Term 4, 2025.This role is 35 hours per week, Monday to Friday, 8:00am–3:30pm.We are looking for a motivated and organised individual ideally with Tech One Finance and Compass Platform experience and someone who can support the daily operations...


  • Sydney, New South Wales, Australia Catholic Schools Office Full time

    Join Our Welcoming School CommunitySt Michael's Primary School, Nelson Bay is seeking a Temporary Part-Time Administrative Officer to join our friendly and supportive team.This role offers 22.5 hours per week from 13 October 2025 to 3 July 2026, with workdays on Thursdays and Fridays, and the third day negotiable for the right candidate.Located in the...

  • Office Administrator

    2 weeks ago


    Sydney, New South Wales, Australia Hays | Office Support Full time $60,000 - $80,000 per year

    Administration Officer Your new companyGreat opportunity to join a well-established manufacturing company based in Kingsgrove. Due to expansion and growth, the team are looking for a strong administrator to join their busy operations team. Your new roleYour daily tasks will include:Create and manage purchase ordersCommunicate with suppliers Process...


  • Sydney, New South Wales, Australia Catholic Schools Office Full time

    St Brigid's Primary School, Raymond Terrace is seeking a Permanent Part Time Administrative Officer (25 hours per week) to join the team in Term 3, 2025.St Brigid's Primary School, Raymond Terrace is located in the Hunter Region, a short 30-minute drive from Newcastle CBD and Port Stephens.A school of 386 students catering for K-6, St Brigid's provides a...


  • Sydney, New South Wales, Australia Hero Sushi Head Office Full time

    Hello,We are looking for a **full-time office administrator** to join **Hero Sushi Head Office**.Hero Sushi operates **Sushi Train and Sushi Takeaway stores** across Australia, with most locations **being company-owned**.We are continuously expanding and looking for **talented individuals** to grow with us and gain valuable experience.**[Position Details]**-...


  • Sydney, New South Wales, Australia Nsw Office Of Sport Full time

    **Are you looking for your next challenge? We have an exciting opportunity for a Grants Administration Officer to join our Infrastructure Grant team for the effective administration of sports funding and grants program.*****We are seeking a Grants Administration Officer to join our team on a temporary basis up to June 2026. The role will be based in our...


  • Sydney, New South Wales, Australia Nsw Parliamentary Counsel'S Office Full time

    **Agency overview**The Parliamentary Counsel's Office (PCO) is headed by the Parliamentary Counsel and is a Public Service executive agency related to The Cabinet Office portfolio under the Government Sector Employment Act 2013. The PCO provides a comprehensive and integrated range of high-quality services for the drafting of, and access to, NSW legislation...