Job Description

New Simberi Gold forms part of the St Barbara Group. Our Simberi Operations consists of an open cut mine on the northernmost island in the Tabar group of islands in the province of New Ireland in Papua New Guinea. Our vision is to grow sustainably and create enduring, positive impacts for the people and communities touched by our operations.

Now is an exciting time for our business and for our people. We’re going through a period of significant change and are gaining momentum in transforming our business. We’re looking for people who are ready to grow through opportunity and build a bright future with us.​​

We are currently seeking Mobile Maintenance Supervisors to join our Mobile Maintenance team on a permanent full-time position at our Simberi Operation. Your work location is Papua New Guinea, working a 21/14 Roster from Kavieng, Rabaul, Port Moresby, Lae, Mt Hagen, Buka, Madang, Goroka, Alotau, Wapenamanda, Popondetta, Hoskins, Wewak, Vanimo, or Tabar group of Islands. (Locals are encouraged to apply).

Reporting to the Mobile Maintenance Foreman, the Mobile Maintenance Supervisor is responsible to lead and Supervise the Simberi mobile plant workshop for the safe and effective maintenance of the Simberi mobile fleet. Work within the site Training Policy to supervisor and develop the Simberi employees and maintenance fitters

The opportunity

Technical Accountabilities

• Promoting safety to employees in all aspects of processing and maintenance, apply and manage risk management
• Immediately reporting and investigating incidents, ensure that all workers are familiar with emergency and evacuation procedures and the location of first aid kits, personnel and emergency equipment, and if appropriately trained, the use of emergency equipment
• Develop and implement a safe system of work that supports the safe execution of maintenance activity within the workshops and field operations. Including but not limited to:
• Completing Job Safety Analysis
• Risk Assessments and field level risk assessments
• Conversion of repetitive and critical tasks in Safe Work Instructions
• Management of Change
• Root Cause Analysis (RCA)
• Ensure all allocated equipment on site is maintained to the original equipment manufacturer (OEM) standards and provided ‘fit for purpose’ to the mining operations teams for safe and efficient use in achieving the business plan
• Mentor and coach the teams to effectively troubleshoot & diagnose systems, using schematics, Maintenance Pro, AllisonDoc, Minidiag, CANCOMM, CAT ET and reprogramming software on machine ECUs.
• Ensure that all servicing and repairs are carried out to a high standard and in a timely manner
• Co-ordinate all maintenance, servicing and repair activities in line with agreed work management process (Maintenance Plans and Schedules) to optimise the operation of the equipment fleet
• Monitor maintenance activities, identifying non-conformance to KPI and applying corrective actions to rectify
• Maintain job planning boards and regularly monitor performance
• Adopt and facilitate a continuous improvement process which supports improvement in efficiencies.

Scheduling accountabilities

• Ensuring that Simberi Operations develops and uses effective plans that derive from and support the St Barbara strategic and business plans.
• Apply risk management techniques to identify and mitigate risks and use judgement to identify and consider what has the potential to prevent them from “Delivering to Plan”
• ‘Risk Managing your Day’ by shift planning, risk tools, assessing potential and escalation.
• 274 Weekly Inspections – using effective tool ‘WATER’

W - WORK ACTIVITY

A - ADJACENT WORK ACTIVITIES

T - TOOLS AND EQUIPMENT

E - ENVIRONMENT

R - REAL PEOPLE

People Accountabilities

• Training, mentoring and developing the mobile maintenance team, utilising the Frontline Supervisor’s Toolkit.
• Lead, coach and develop team members by setting clear expectations, monitoring performance and mentoring others
• Managing performance issues in accordance with “Guidelines For Various Transgressions – SGCL-HR-GUD-001”
• Ensure you are familiar with the control of hazards from resources in your workplace and identify training needs to ensure optimum worker competency

Are you ready to come and build your future with us?

We need the best people. People who have drive, energy and are genuinely passionate about the work they do and provide a positive impact. Additionally, we need people who see a challenge as an opportunity for growth and value working with others towards a common goal.​

We would love to hear from you if you have​:

Essential

• Behaviour consistent with St Barbara’s Values
• Heavy Vehicle Mechanical Trade Certificate
• At least 10 years relevant supervisory experience
• Strong ability to work effectively within a team
• Strong communication skills, including communicating with people from different backgrounds and cultures
• Ability to work to tight deadlines on multiple tasks
• High level of enthusiasm for the work with high-performance goals
• Commercial acumen relevant to the role

Desirable

• Relevant resources industry work experience

For further information on the Simberi Operations and to apply for this role, please visit:

https://www.livehire.com/job/stbarbara-png/3TPE9

Closing date: Saturday, 14 November 2026 at close of business.

Please submit your Applications, CVs, and Supporting documents (all merged in one PDF document)

At New Simberi Gold, we’re committed to finding the best fit for every role. We are a diverse and inclusive workplace, welcoming diversity in all its forms. All qualified applicants will be given equal consideration, regardless of their race, national origin, gender, age, religion, disability, sexual orientation or gender identity.