HR Adviser

Join our team as an HR Adviser, providing practical, hands-on support and expert guidance to leaders and employees across site. Reporting to the HR Superintendent, this is a key role focused on employee relations, performance management, and fostering a positive and engaged workplace culture.

What you'll be doing

• Serve as the first point of contact for HR and ER/IR matters, providing accurate advice and interpretation of the Enterprise Agreement, policies, and procedures.
• Guide and support leaders through performance management, grievance, investigation, and disciplinary processes with fairness and consistency.
• Guide our front-line leaders in performance management for compliance and procedural fairness and integrity and aid in the preparation and review employment-related documents such as warnings, show cause letters, investigation outcomes, and termination correspondence.
• Provide coaching to supervisors and line leaders on effective people management and application of ER/IR best practice.
• Partner with leaders to strengthen engagement, culture, and communication across site.
• Play an active role in camp committees, workforce engagement initiatives, and onsite communications to promote a positive workplace culture.
• Manage a mix of approximately 80% reactive and operational HR/ER matters with 20% strategic project work, collaborating closely with the HR Superintendent

What you'll bring

• Tertiary qualifications in HR, Business, or a related discipline, or equivalent experience.
• Minimum 5 years' experience in HR/ER/IR within mining, heavy industry, or civil construction environments.
• Strong working knowledge of employment legislation and enterprise agreement interpretation.
• Demonstrated experience managing complex employee relations cases and providing pragmatic advice to leaders.
• Excellent interpersonal and communication skills — confident, approachable, and solutions-focused.
• A collaborative and adaptable mindset, with the ability to balance daily operational support with longer-term improvement initiatives.

Why MacKellar

This is an opportunity to make a tangible impact in a dynamic site environment by supporting leaders, shaping culture, and ensuring fairness and engagement across the workforce. You'll work closely with an experienced HR Superintendent within a supportive, high-performing team stakeholder management team, where not one day will be the same.

If you're ready to apply your HR expertise where it counts, we'd love to hear from you.