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 Fitter Machinists – Mobile Maintenance 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 15/13 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 Supervisor, the primary responsibility of the Machinist is to provide support in mechanical maintenance of Mobile Fleet Equipment (as designated), carry out component repairs and line boring.(e.g., components trucks, loaders, excavators, drills) and perform precision machining of components as required to ensure safe and efficient operation of mining fleet equipment, while ensuring health, safety, environmental, community relations and quality workmanship standards are maintained, all for the best value. Ensure adherence to statutory requirements as a minimum standard.

The opportunity

Technical Accountabilities

• Perform scheduled and unscheduled line boring of components as required
• Conduct precision machining, fabrication, or modification of mechanical components using lathes, milling machines, and other workshop equipment.
• Maintain accurate tooling equipment and work orders through the CMMS (Pronto).
• Adhere to site safety procedures, policies and permit-to-work systems.
• Inspect and troubleshoot hydraulic, pneumatic, and mechanical systems.
• Collaborate with maintenance planning teams to identify and resolve recurring faults or equipment reliability issues.
• Support other trades in major overhauls or breakdowns as required.
• Maintain high housekeeping standards within personal work area.
• Identification and action of safety issues affecting the workplace.
• Communicate and report mechanical activities to the Supervisor.
• Carry out other operational tasks as required

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.
• Technical Trades Qualification in Fitter Machining
• Minimum 4 years’ experience operating line boring equipment.
• Minimum 4 years’ experience operating industrial lathes
• Minimum 4 years’ experience in a mining or heavy industrial environment
• Understand relevant engineering standards and associated procedures.
• Ability to read equipment manuals, drawings and follow instruction.
• Pneumatics and hydraulics experience.
• Strong technical knowledge in fabrication and repair of heavy equipment components.
• Self-motivated and disciplined with strong communication skills and the ability to effectively manage time.
• A continuous improvement approach to all tasks and developing initiative and problem-solving skills.
• Have extensive field experience and always prepared to accept responsibility.

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

https://www.livehire.com/job/stbarbara-png/PRXT8

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.