Category Manager

We are seeking a proactive and commercially astute Category Manager – Services to support Whyalla Steelworks and SIMEC Mining (approximately 60 km south of Whyalla). 

This services-focused role is responsible for managing mining-related and broader services contracts, overseeing pricing and rate negotiations, and driving value through strategic procurement. 

Working closely with Buyers and Category Managers, you will play a key role in ensuring competitive, compliant, and sustainable supplier arrangements that support both Mining and Primary Steel operations. 

• Stability and job security – Be part of a business with over a century of steelmaking heritage, backed by State and Federal Government investment.
• Live, Work and Play in one location – just minutes from the Whyalla township with free onsite parking
• Community impact – Play your part in producing the steel that builds Australia's railways, bridges, and infrastructure.
• Domestic Relocation – uplift of goods and relocation allowance, travel and temporary accommodation provided

Domestic Relocation included for those residing outside of Whyalla, which includes:

• Uplift of goods and relocation allowance (for individuals and immediate family)
• Travel and temporary accommodation (up to 4 weeks)
• DIDO Option Available (for Port Augusta, Quorn or Cowell residents)

• Develop and manage contracts related to mining and associated services using procurement processes. 
• Lead rate, pricing, quotation, and payment term negotiations. 
• Develop and implement category management and sourcing plans aligned with business needs. 
• Conduct spend analysis and establish/maintain outline agreements in SAP. 
• Collaborate with Buyers and fellow Category Managers to optimise procurement outcomes. 
• Oversee contract performance, compliance, and dispute resolution, ensuring value delivery (e.g. benchmarking). 
• Provide procurement advice and support to operational and management stakeholders. 
• Maintain strong supplier and contractor relationships to ensure safety, quality, and efficiency. 

• Commitment to safety, governance, and continuous improvement. 
• 3–5 years' procurement experience, ideally in the mining or manufacturing industry. 
• Strong commercial acumen with proven negotiation and contract management experience. 
• Proficiency in SAP (particularly spend analysis, outline agreements, and payment terms) and Microsoft Office. 
• Training or qualifications in CIPS preferred. 
• Excellent communication and stakeholder management skills. 
• Ability to thrive in a collaborative, fast-paced environment with competing priorities. 
• Experience or knowledge of crushing and screening contacts desirable. 

Desirable Skills: 

•    Mining procurement or services category management experience. 

•    Knowledge of national and international services markets and key cost drivers. 

•    Demonstrated ability to mentor, coach, and influence cross-functional teams. 

•    Current driver's licence and ability to travel as required. 

OneSteel Manufacturing 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 2025 Circle Back Initiative Employer – we commit to respond to every applicant.