Karijini Civil and Mining
Office Administrator & Executive Assistant
2 months ago
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Important information
Contract type:
Permanent
Location:
Cottesloe WA 6011, Australia
Work mode:
Onsite
Published on:
18 August 2026
What they need
Young’s Earthmoving / Karijini Civil & Mining is a family-owned and operated contractor that has been providing quality earthmoving services to Tier 1 mining clients across remote Western Australia for over 30 years.
We pride ourselves on professionalism, integrity and honesty, with a strong focus on looking after our people and our equipment. We are committed to providing a supportive workplace and building lasting relationships with our clients through exceptional performance, reliability and industry best practice in safety and environmental management.
About the Role
We are seeking an organised and proactive Office Administrator & Executive Assistant to join our Cottesloe office.
Reporting directly to the Managing Director, this is a varied role providing executive and administrative support to the Managing Director and General Manager, while also assisting with the day-to-day coordination of office and business operations.
This position would suit someone who enjoys variety, takes initiative and is comfortable managing multiple priorities within a busy contracting environment.
Key Responsibilities
- Managing the Managing Director and General Manager’s inboxes, diaries, correspondence and priorities.
- Providing administrative support including client liaison, marketing, company events, reports, submissions and travel arrangements.
- Preparing agendas, presentations, reports and meeting minutes.
- Coordinating office facilities, supplies, equipment, contractors and service providers.
- Providing general administrative and document support across the business.
- Assisting with company document preparation, formatting and editing.
- Assisting IT support with hardware setup and basic office IT coordination.
- Supporting tender submissions, client documentation and project administration.
- Processing invoices, reconciling expenses, raising purchase orders and assisting with procurement.
- Maintaining Transport Accreditation documentation, records and assisting with audit coordination.
About You
To be successful in this role, you will be:
- Highly organised with strong attention to detail.
- Confident managing competing priorities and deadlines.
- Proactive and willing to take ownership of tasks.
- An advanced Microsoft Office user.
- A confident communicator with strong written and verbal communication skills.
- Professional and approachable when dealing with employees, clients and external stakeholders.
- Comfortable working independently while also supporting a wider team.
- Flexible and happy to assist across different areas of the business when required.
What We Offer:
This is an opportunity to join an established WA-owned business in a diverse role where no two days are the same. You’ll work closely with senior management and gain exposure to a broad range of business operations across the civil and mining industry.
If you are an experienced Office Administrator, Personal Assistant, Executive Assistant or Office Coordinator looking for a varied role with plenty of responsibility, we would love to hear from you.
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