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Executive Assistant

Senior Leadership -
Greater Adelaide SA

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Job Details

Permanent | Full-time
10 hours ago

Qualifications

Microsoft Powerpoint
Microsoft Word
Microsoft Excel
Microsoft Outlook
Microsoft Office
Communication skills
Time management

Full Job Description

About The Role:

We are seeking a highly organised and proactive Office Manager & Executive Assistant to provide high-level support to the Chief Financial Officer (CFO) and Executive General Manager (EGM), while overseeing the day-to-day operations of our Adelaide office.

This is a pivotal role supporting two senior executives in a fast-paced and dynamic environment. You will be responsible for managing complex schedules, coordinating meetings and travel, preparing executive communications and ensuring the smooth operation of the office.

Success in this role will come from your ability to anticipate needs, manage competing priorities, maintain confidentiality and build strong relationships across all levels of the business.

Employee Benefits:

Full time permanent position
Career development opportunities

Key Responsibilities:

Provide high-level executive support to the CFO and EGM, including complex calendar management, meeting coordination and inbox management
Coordinate executive meetings, prepare agendas, take minutes and track follow-up actions
Arrange domestic and international travel, accommodation and detailed itineraries
Prepare presentations, reports and executive correspondence
Liaise with internal and external stakeholders, ensuring professional and timely communication
Manage expenses, credit card reconciliations and invoice processing
Oversee the day-to-day operations of the Adelaide office
Coordinate office facilities, supplies, building management and security access requirements
Support the planning and delivery of internal events, meetings and team functions
Maintain a high level of discretion and confidentiality when handling sensitive information

About You:

You are an experienced Executive Assistant who thrives in a fast-paced environment and enjoys supporting senior leaders.

Highly organised and detail-oriented, you can confidently manage multiple priorities while maintaining professionalism and discretion.

Previous experience providing executive support at a senior leadership level
Exceptional organisational and time management skills
Strong written and verbal communication skills
Advanced Microsoft Office skills, including Outlook, Word, Excel and PowerPoint
Experience coordinating complex travel arrangements, meetings and events
A proactive and adaptable approach with strong problem-solving capabilities
The ability to build relationships and communicate effectively with stakeholders at all levels
High levels of professionalism, confidentiality and attention to detail
Flexibility to provide support outside standard business hours when required

Why join us?

We offer more than just a job; we provide a dynamic environment built on three pillars that define our commitment to both our team and our industry.

Work with a greater purpose - join us on our pursuit of a sustainable future and contribute to our nation’s legacy.
Work well, live better – experience a safe, supportive and inclusive environment which values you as a whole person and where wellbeing matters.
Build their own future – grow and drive your own development to grow your skills. Everyday is an opportunity to grow.

About Us:

OneSteel Manufacturing (Administrators Appointed) operates a mining and steel manufacturing business. As Australia’s only manufacturer of special grade billet and steel long products we provide solutions for nation-building infrastructure including rail. With State and Federal Government investment, the South Australian Mining and Steel Manufacturing assets form part of the sovereign security of Australia’s manufacturing sector.

It is our ambition to cultivate an inclusive workplace that is as diverse as the communities we serve. We encourage candidates from all cultural backgrounds, genders, orientations, age groups, and abilities to apply. Your diversity is our strength in creating sustainable and innovative steel solutions for Australia's tomorrow.

We are a 2026 Circle Back Initiative Employer – we commit to respond to every applicant.

Apply Now

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administrator mining jobs

Executive Assistant

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