Joining Arup

Arup’s purpose, shared values and collaborative approach has set us apart for over 80 years, guiding how we shape a better world.

Join our Adelaide team as a Business Administrator, where you'll play a vital role in supporting project teams, Project Managers, and Directors across South Australia. You'll help ensure projects run efficiently by delivering high-quality administrative support, maintaining accurate project systems, and coordinating key business processes. Working across a diverse portfolio of projects and markets, you'll collaborate with multidisciplinary teams to drive consistency, efficiency, and exceptional service.

The Opportunity

- Provide administrative support to project teams, ensuring project systems, documentation, and processes are accurate, up to date, and delivered on time.
- Coordinate monthly client invoicing, supplier purchase orders, subcontractor invoices, and assist with project claims, change notices, and cashflow processes.
- Support Project Managers with project setup, resource planning, reporting, and compliance with internal systems and procedures.
- Manage travel bookings, industry event registrations, office administration, and respond to shared inbox requests in a timely manner.
- Maintain and update CRM data, assist with pipeline reporting, and contribute to continuous improvement of business administration processes across the South Australian office.

At Arup, you belong to an extraordinary collective – in which we encourage individuality to thrive. Our strength comes from how we respect, share and connect our diverse experiences, perspectives and ideas.

You will have the opportunity do socially useful work that has meaning – to Arup, to your career, to our members and to the clients and communities we serve.

Is this role right for you?





- Experience in business administration within a consulting, skilled services, or similar environment, with the ability to quickly learn new systems and processes.
- Robust organisational skills with the ability to manage multiple priorities, meet deadlines, and work independently in a fast-paced environment.
- Excellent written and verbal communication skills, with the confidence to build effective relationships across all levels of the business and with external stakeholders.
- A proactive, solutions-focused mindset with a strong attention to detail and the ability to influence teams to follow agreed processes and best practices.
- Advanced Microsoft Office skills, particularly Excel, with experience in CRM, project management, finance, or reporting systems; Power BI knowledge and proofreading skills will be highly regarded.

What We Offer You

- competitive, fair, and equitable pay
- a career in which all of our members can belong, grow and thrive
- through benefits that support health and wellbeing
- a wide range of learning opportunities

We are owned in trust on behalf of our members, giving us the freedom, with personal responsibility, to set our own direction and choose work that aligns with our purpose and adds to Arup’s legacy. Our members collaborate on ambitious projects to deliver remarkable outcomes for our clients and communities.

Different people, shared values





Arup is an equal opportunity employer that actively promotes and nurtures a diverse and inclusive workforce.

We welcome applications from individuals of all backgrounds, regardless of age (within legal limits), gender identity or expression, marital status, disability, neurotype or mental health, race or ethnicity, faith or belief, sexual orientation, socioeconomic background, and whether you’re pregnant or on family leave.

We are an open environment that embraces diverse experiences, perspectives, and ideas – this drives our excellence.

Guided by our values and alignment with the UN Sustainable Development Goals, we create and contribute to equitable spaces and systems, while cultivating a sense of belonging for all.

Our internal employee networks support our inclusive culture: from race, ethnicity and cross-cultural working to gender equity and LGBTQ+ and disability inclusion – we aim to create a space for you to express yourself and make a positive difference. Discover more about life at Arup at

We are committed to making our recruitment process and workplaces accessible to all candidates. Please let us know if you need any assistance or reasonable adjustments throughout your application or interview process, and/or to perform the essential functions of the role. We will do everything we can to support you.

Our Application Process

Please apply directly through our applicant tracking system. Shortlisted candidates will be contacted by Talent Acquisition to discuss next steps. Stay safe online – Arup will never ask for your bank details as part of our recruitment process.

Arup does not accept unsolicited resumes from recruiters or employment agencies.

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📌 Business Administrator (Adelaide)
🏢 Arup
📍 Adelaide