Rex Minerals

mining, minerals processing, or heavy industry

CommissioningManager

$0–0k Adelaide, South Australia, Australia; Canberra, Australian Capital Territory, Australia; Melbourne, Victoria, Australia; Sydney, New South Wales, Australia; Brisbane, Queensland, Australia FULL TIME
The Brief

“Commissioning Manager at Rex Minerals. Skills: Commissioning Strategy Development, Commissioning Execution, Start-up Leadership, Interface Management, Owner's Team Leadership. Accountable for the end‑to‑end commissioning strategy and execution. Ensuring a safe, integrated, and efficient transition from construction into commissioning, start‑up, and operational handover”

What You'll Achieve.

Ensuring a safe, integrated, and efficient transition from construction into commissioning, start‑up, and operational handover; Achieving safe, on‑schedule, and right‑first‑time start‑up for a major greenfield processing operation

Industry & Context.

mining, minerals processing, or heavy industry
Eligibility Requirements

Must reside in South Australia for the duration of the project

What They're Looking For.

Must Have

Significant experience (typically 12+ years) in commissioning and/or start‑up leadership on major capital projects within mining, minerals processing, or heavy industry, Demonstrated success commissioning greenfield process plants, utilities, and associated infrastructure, understanding of systems‑based commissioning, completions management, and start‑up methodologies, Proven ability to manage complex interfaces across Owner’s Teams, EPCM partners, contractors, and operations, Tertiary qualification in Engineering (Mechanical, Electrical, Process, or equivalent) or relevant technical discipline, Successful incumbent must reside in South Australia for the duration of the project

Nice to Have

Experience working within an Owner’s Team or integrated Owner/EPCM delivery model, Copper or base‑metals processing experience, Exposure to completions management systems and digital handover tools, Start‑up or operational experience post‑commissioning

What You'll Do.

Accountable for the end‑to‑end commissioning strategy and execution

and efficient transition from construction into commissioning

and operational handover

Establishing commissioning philosophy

Ensuring early operability input to design and construction

Leading coordination across EPCM

construction contractors

Developing and maintaining the Project Commissioning Strategy

Ensuring commissioning requirements are embedded early into design

construction and contracting strategies

Leading integration between construction completion

and handover to operations

Overseeing commissioning planning

and execution across process plant

and supporting facilities

Ensuring robust systems completion

handover documentation

and acceptance processes

Championing safe commissioning practices

and compliance with statutory and operational safety requirements

Coordinating commissioning input to schedules

Supporting development of operating procedures

and maintenance strategies

Preparing commissioning and start‑up readiness reporting

How You'll Work.

Team & Collaboration

Critical interface leadership across EPCM, construction, operations readiness and asset handover; Lead integration between construction completion, pre‑commissioning, commissioning, start‑up, and handover to operations; Provide Owner’s Team leadership at key commissioning interfaces with EPCM, package contractors, OEMs, and operations representatives; Support development of operating procedures, training, spares, and maintenance strategies in collaboration with Operations Readiness

Process & Methodology

Develop and maintain the Project Commissioning Strategy, Oversee commissioning planning, readiness reviews, and execution, Coordinate commissioning input to schedules, ensuring alignment with construction completions and critical path activities, Prepare commissioning and start‑up readiness reporting for project leadership and governance forums

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