Senior HR Administrator

The Role & Project

MACA is seeking an experienced Senior HR Administrator to join our team in our Welshpool office on a permanent full-time basis.

Reporting to the HR Manager, the Senior HR Administrator provides support to the HR team and Global Mobility function by coordinating internal and international site and company transfer processes, as well as labour hire conversions, in an efficient and timely manner.

Build your future with one of WA’s most trusted contractors.

As a proud Thiess company, MACA is a trusted integrated contracting services group specialising in mining, civil construction, infrastructure, and mineral processing.

We strive to be the best by investing in our people, understanding our clients' needs, and having a relentless focus on continuous improvement. Our social responsibility is what drives us, and we make an impact through contributions and support we give our communities.

Key result areas include:

• Manage end-to-end employment administration, including contracts, labour hire conversions, intercompany transfers, and maintaining accurate personnel records.
• Coordinate onboarding and mobilisation processes, acting as the key liaison between Recruitment, Mobilisation, Project teams, and external providers to ensure a smooth employee transition experience.
• Oversee global mobility administration, including travel and accommodation bookings, relocation support, and management of related purchase orders and invoices.
• Maintain accurate and up-to-date HR data across systems (e.g. HRIS), including tracking new starters, transfers, bonuses, and workforce changes.
• Provide administrative and operational support to HR leadership and broader HR teams, ensuring compliance with QA standards, policies, and procedures.
• Build strong stakeholder relationships, uphold strict confidentiality, and contribute to continuous improvement initiatives while adhering to organisational safety and values.

To be successful in this role, you will have:

• Proven experience in technically focused HR administration, ideally within mining and resources, or heavy industry sectors (or similar).
• Sound understanding of employment lifecycle processes, including internal transfers, promotions, onboarding, mobilisation, and pre-employment compliance requirements and de-mobilisation.
• Working knowledge of HR policies, procedures, and relevant employment legislation, with the ability to apply these accurately in day-to-day tasks at an administrative level.
• High attention to detail with strong organisational skills, including the ability to manage competing priorities and maintain accurate documentation and data.
• Demonstrated ability to build and maintain effective working relationships with internal and external stakeholders.
• Relevant qualification in Human Resources, Business Administration, or similar (desirable), along with a valid Australian “C” Class driver’s licence.

What we will offer you:

• A competitive salary and access to a range of corporate discounts and cashback offers from over 350 popular retailers.
• Paid parental leave.
• Access to a dedicated online employee Wellbeing Centre providing education, support and tools to help you live a healthier life.
• Access to salary sacrificing benefits.
• Refer and earn program allowing you to earn up to $2,500 for referring new employees to MACA positions.
• Save up to 10% on your Health Insurance with BUPA, HBF, HCF or Medibank.

There are many long-term opportunities available across our business, and more on the horizon. There is always room to grow and develop into the professional you want to be with MACA!

Make Your Mark.

If you want to come with us on our journey, apply with us today!

We’re ready when you are.

MACA is an equal opportunity employer and strongly encourages all females and Aboriginal and Torres Strait Islander applicants**.**