Introduction

We are seeking a highly organized and experienced Senior Admin Assistant to support our mining site operations. This role is crucial in ensuring smooth administrative processes and efficient communication across our mining projects. If you have strong background in administrative support within the mining industry and thrive in a dynamic environment, we invite you to join our dedicated team.

What are you going to do 

As a Senior Admin Assistant for our mining sites, you will be responsible for providing comprehensive administrative support to on-site management and field teams. Your duties will include managing schedules, coordinating logistics, handling documentation, and serving as a key point of contact between site personnel and headquarters. You will ensure that all administrative tasks are completed efficiently, contributing to the overall productivity and success of our mining operations.
Key Responsibilities

  • Support daily site administration and general project administrative activities
  • Maintain project documents, reports, permits, correspondence, and filing systems
  • Monitor attendance, timesheets, and personnel administration records
  • Support onboarding documentation, leave administration, and employee/site records
  • Prepare routine administrative and manpower reports
  • Coordinate with site teams, contractors, suppliers, and internal departments for administrative matters
  • Support general office/site administration including petty cash, office supplies, and related site admin requirements
  • Ensure proper documentation compliance in line with company procedures and site requirements

Essential skills and knowledge

Requirements

  • Diploma or Bachelor's Degree in Administration, Management, HR, International Relations, or related field
  • Minimum 2 years of experience in site/project administration
  • Prior experience in Mining, Oil & Gas, EPC, Energy, Construction, or industrial projects is preferred
  • Experience in site administration, manpower administration, reporting, and document control
  • Good English communication skills, both written and spoken
  • Strong coordination skills, attention to detail, and ability to work in a dynamic site environment
  • Willing to be based in Timika, Papua on a local hire / non-rotation basis

What we offer 

Global Network and Professional Community: As part of the Brunel family, you will join a vast network of professionals and experts across industries, fostering connections that help you thrive in your career.

Commitment to Safety and Excellence: We prioritize safety and operational excellence. In this role, you will play a key part in upholding our safety standards, working closely with the team to ensure a hazard-free and efficient operation.

Competitive Salary Package: A highly competitive salary that reflects your experience and skills, designed to motivate and reward top-tier talent like yourself.

Closing: 31 July 2026

Apply Now

Are you the perfect match for this vacancy? Apply in 5 minutes and let's get in touch!

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Process of your application

Application process & contact

We will now begin examining your application: We will take a close look at your application documents and ask you for additional information if necessary. If your qualifications match our requirements, we will invite you to meet us for the first time.

Project discussion with our customer

If the introductory meeting goes well for you and us, we will arrange a meeting with the customer who has the perfect project for you. This gives you the opportunity to find out more about the customer and the project.

The decision

If you enjoyed the project discussion and the customer is also convinced of your expertise, we will ask you the final and decisive question: Do you want to get started at Brunel?

Introductory conversation with Brunel

In an introductory meeting, we would like to find out more about your interests, ambitions and professional developments. At the same time, we report on working at Brunel and provide information about all career opportunities and prospects.

Welcome to Brunel

Now great times are beginning! With Brunel you have countless opportunities to help shape technological progress. You decide how your career path goes. We support you in every phase of your career. You always have security behind you: Brunel!