Portfolio Manager - Mining & Processing

Rosstone; Gauteng; Hybrid; ZAR 1,200,000 - 1,800,000; Full time

Job summary

Rosstone is seeking a Portfolio Manager to lead a complex portfolio spanning Mining Operations, Mineral Processing, Health, Safety and Laboratory environments. You will govern priorities, budgets and benefits to align with strategy and regulatory obligations.

You will provide executive leadership across multiple programmes, manage interdependencies with IT, operations and business units, and drive measurable safety and operational improvements in multi-site, safety-critical settings.

Qualifications

• Degree/Diploma in Information Systems, Engineering, Mining, Industrial Engineering or related field.
• Postgraduate qualification in Project, Programme or Portfolio Management (PMP, PgMP, MSP, PRINCE2 or equivalent).
• 10 years’ experience managing large-scale programmes or portfolios in mining, processing, industrial or safety-critical environments.
• Experience managing multi-site portfolios with operational and regulatory constraints.

Responsibilities

• Portfolio Leadership and Strategy: lead portfolio across Mining, Processing, Health, Safety and Laboratory domains.
• Prioritise initiatives based on impact, risk, safety outcomes and ROI.
• Manage day-to-day portfolio governance, budgeting, forecasting and benefits tracking.
• Drive measurable safety, operational and business benefits across approved business cases.

Skills

10 years' experience

Executive leadership

Stakeholder engagement

Analytical/problem-solving

Risk management

Change management

Education

Information Systems

Engineering

Mining

PgM/PMO qualification

Tools

SAP PPM

MS Project

SharePoint / M365

ERP / MES / LIMS

Job description

Portfolio Scope

Mining Operations, Processing Plants, Health Services, Safety Systems and Laboratory environments

Purpose of the role:

• The Portfolio Manager is accountable for the strategic, financial and delivery oversight of a complex portfolio of initiatives spanning Mining Operations, Mineral Processing, Health, Safety And Laboratory Environments.
• The role ensures that programmes and projects across the portfolio are prioritised, governed and delivered in alignment with organisational strategy, regulatory obligations, safety imperatives and operational value.
• Provide senior-level leadership across multiple programmes, manage interdependencies between IT, operations and business functions, and ensures benefits realisation across safety-critical and operationally intensive environments.
• The role has authority over day-to-day portfolio governance, financial control, risk management and performance reporting.

Qualifications and experience requirements:

• Degree/Diploma in Information Systems, Engineering, Mining, Industrial Engineering or related field.
• Postgraduate qualification in Project, Programme or Portfolio Management (PMP, PgMP, MSP, PRINCE2 or equivalent).
• 10 years’ experience managing large-scale programmes or portfolios in mining, processing, industrial or safety‑critical environments.
• Proven experience managing complex, multi‑site portfolios with strong operational and regulatory constraints.
• Sound understanding of the mining value chain, processing operations and supporting health, safety and laboratory functions.
• Deep knowledge of portfolio, programme and project management methodologies (PMBOK, Agile, hybrid models).

Advantageous systems knowledge:

• Portfolio and project management tools (e.g. SAP PPM, MS Project).
• Enterprise collaboration platforms (SharePoint, Microsoft 365).
• Experience working with ERP, MES, safety management and laboratory information systems (LIMS).

Key accountabilities:

• Portfolio Leadership and Strategy
• Own and manage a portfolio of programmes and projects across Mining, Processing,
• Health, Safety and Laboratory domains, ensuring alignment to strategic objectives.
• Prioritise initiatives based on operational impact, regulatory risk, safety outcomes, resource availability and return on investment.
• Ensure the portfolio delivers measurable business, operational and safety benefits as
• defined in approved business cases.

Financial and Resource Management:

• Own portfolio financial management, including budgeting, forecasting, cost control and benefits tracking.
• Optimise utilisation of internal teams, external vendors and specialist contractors across the portfolio.
• Approve and manage Statements of Work (SOWs) and commercial arrangements with vendors and partners.

Skills and competencies:

• Strong executive leadership, influencing and negotiation skills.
• High level of financial and commercial acumen.
• Excellent stakeholder engagement across operational, technical and executive audiences.
• Ability to operate confidently in safety‑critical, regulated environments.
• Strong analytical, problem‑solving and decision‑making capability.
• Change management and organisational transformation experience.
• Advanced communication skills (written, verbal and presentation).

Working conditions:

• Hybrid working model with regular travel to mining operations, processing plants, health facilities and laboratories.
• Ability to operate on‑site in industrial and safety‑sensitive environments.