Office Administrator and Executive Assistant

Holcim Participations (Australia) Pty Ltd; Brisbane; On-site; AUD 70,000 - 90,000; Full time

Job summary

Holcim Milton office seeks an experienced Office Administrator and Executive Assistant to support the GMs of Concrete, Aggregates, Humes and their teams, and manage Milton Office administration.

You will handle diary and email management, expense processing, and coordinate meetings, travel and catering while upholding safety and confidentiality. This permanent, full-time role offers diverse responsibilities in a leading building materials company.

Qualifications

• Previous administration experience in a similar role required.
• Proactive, energetic and unflappable.
• Experience within the construction or resources industry - advantageous but not essential.
• Strong time management skills and demonstrated ability to multitask.
• Ability to build and maintain strong relationships both internally and externally.
• Ability to maintain confidentiality at all times.
• Proficiency in Word, Excel, PowerPoint, SAP, Google.

Responsibilities

• Diary and email management including organising and coordinating meetings and appointments including catering, travel etc for the Aggregate and Concrete business.
• Reconcile and process monthly expenses for General Managers in accordance with company policy.
• Assist with P&C administrative functions and systems for Concrete & Aggregates as required.
• Ensure on-site behaviour is supportive of and reinforce Company SHE Policies and standards at all times.
• Preparation of presentations, reports, correspondence etc as required.
• Contribute to the maintenance of a safe system of work in the workplace.
• Comply with all relevant safety, health and environment legislation.
• Ad hoc reporting requirements and purchase requisitions as directed.

Skills

Diary management

Email management

Coordinating meetings

Time management

Relationship building

Confidentiality

Microsoft Office

Tools

Word

Excel

PowerPoint

SAP

Google

Job description

Office Administrator and Executive Assistant

• Location: Milton
• Job type: Permanent - Full time

About this role

Office Administrator and Executive Assistant – Milton QLD.

An interesting and important role in which you will provide administrative support to the GM's of Concrete, Aggregates, Humes and their teams as well as managing administration for our Milton Office.

• A superb, permanent, full-time position based in Milton QLD.
• Supporting the business deliver exceptional results.
• Working for the world's leading sustainable building materials company.
• You will be proactive, energetic and unflappable.

About us

Holcim is the leading partner for sustainable construction, creating value across the built environment from infrastructure and industry to buildings. Headquartered in Zug, Switzerland, Holcim has more than 45,000 employees in 43 attractive markets - across Europe, Asia Pacific, Latin America, Middle East & Africa. Holcim offers high-valued end-to-end Building Materials and Building Solutions, from foundation and flooring to roofing and walling - powered by premium brands including, ECOPact® low-carbon concrete and Geostone.

Holcim Australia and New Zealand is a leading supplier of cement, aggregates, ready-mix concrete, and engineered pre-cast concrete solutions. Our proud history began in 1901 in Australia and 1888 in Aotearoa New Zealand.

Holcim is certified as a Top Employer 2026 by the Top Employers Institute, recognising our commitment to creating a workplace where people thrive.

About the opportunity:

This is an interesting and important role in which you will provide administrative support to the GM's of Concrete, Aggregates, Humes and their teams as well as managing administration for our Milton Office.

Key responsibilities:

• Diary and email management including organising and coordinating meetings and appointments including catering, travel etc for the Aggregate and Concrete business.
• Reconcile and process monthly expenses for General Managers in accordance with company policy.
• Assist with P&C administrative functions and systems for Concrete & Aggregates as required.
• Ensure on-site behaviour is supportive of and reinforce Company SHE Policies and standards at all times.
• Preparation of presentations, reports, correspondence etc as required.
• Contribute to the maintenance of a safe system of work in the workplace.
• Comply with all relevant safety, health and environment legislation.
• Ad hoc reporting requirements and purchase requisitions as directed.

Further and detailed accountabilities are found in the Position Description which is available upon request.

About you:

• Previous administration experience in a similar role required.
• Proactive, energetic and unflappable.
• Experience within the construction or resources industry - advantageous but not essential.
• Strong time management skills and demonstrated ability to multitask.
• Ability to build and maintain strong relationships both internally and externally.
• Ability to maintain confidentiality at all times.
• Proficiency in Word, Excel, PowerPoint, SAP, Google.

This is an outstanding opportunity to join our high performing team and grow your career within our world leading business.

Why Holcim?

At Holcim we offer an inclusive environment, where our people feel comfortable bringing their authentic self to work. We offer a high-performance workplace empowering problem solvers, creative thinkers and innovators to seek combined perspectives and voice opportunities to go further and faster. Our workplace is a safe environment where individuals can be themselves and where we promote a diverse workforce.We are an equal opportunities employer, making no distinction on the basis of race, national origin, gender, gender identity, sexual orientation, disability or age. People are treated fairly at work - respecting and supporting human rights and non-discrimination. This is rooted in the values and standards set out in the Holcim Code of Business Ethics.

We don't just offer jobs - we offer long term careers with a deep and diverse structure which affords a great number of cross functional pathways available as you progress your career so if you're ready to take your career to the next level and join our dynamic team of professionals, we want to hear from you.

Candidates must hold valid Australian work rights with no restrictions on employment duration or hours worked. Unfortunately, we are unable to accept Holiday or Student Visas.

We are dedicated to improving employment outcomes and encourage applications from Aboriginal and Torres Strait Islander peoples.

Holcim will not acceptunsolicitedresumesfrom third party recruitingagenciesin response to job postings.