Office & HR Administrator

Appen has been a leader in AI training data for over 25 years, providing high-quality, diverse datasets that power the world's leading AI models. Our end-to-end platform, deep expertise, and scalable human-in-the-loop services enable AI innovators to build and optimize cutting-edge models. We specialize in creating bespoke, human-generated data to train, fine-tune, and evaluate AI models across multiple domains, including generative AI, large language models (LLMs), computer vision, speech recognition, and more.

The Office & HR Administrator is responsible for maintaining an efficient and well-organised office environment and providing reliable administrative support to the Human Resources team. The role combines office coordination, vendor and event management, and HR system administration to ensure smooth daily operations across the Sydney site. This role is is part-time - 5 days a week, on-site. (30 hours per week)

You’ll manage the practical elements that keep the office running, support HR processes, and assist with company-wide initiatives that enhance employee experience and operational effectiveness.

- Oversee daily office operations to maintain a professional and efficient workplace.

- Act as the first point of contact for visitors, calls, and correspondence.

- Manage expense submissions for the Australia-based Executive team.

- Prepare and format reports, documents, and presentations.

- Coordinate domestic and international shipments and vendor interactions.

- Work with the Executive Administrative Assistant on key events such as the AGM, Executive Offsites, and leadership meetings.

- Plan and deliver local employee engagement events and activities.

- Support ad-hoc projects and cross-functional administrative tasks.

- You’ll work closely with the HR team to maintain systems and processes that support Appen’s people operations. This includes:

- Updating and maintaining HR intranet content.

- Providing administrative support for the Learning Management System (LMS).

- Assisting with global HR projects and communications to ensure consistent implementation across regions.

You bring structure, reliability, and attention to detail to everything you do. You take ownership of tasks, communicate clearly, and maintain confidentiality and professionalism at all times.

You will have:

• A bachelor's degree in Human Resources or a related field (preferred)

• 1-2 years of experience in office or HR administration

• Familiarity with HR Systems such as Workday, SAP, or SuccessFactors

• Proficiency in Microsoft Office Suite

• Strong organisation, time management, and coordination skills

• A proactive and service-oriented mindset with a focus on execution and

accuracy

At Appen, we foster a culture of innovation, collaboration, and excellence. We value curiosity, accountability, and a commitment to delivering the highest-quality AI solutions. We support work-life balance with flexible work arrangements and a dynamic, results-driven environment. Employees have access to competitive pay, comprehensive benefits, and opportunities for continuous learning and career growth. Our team works closely with the world’s top technology companies and enterprises, tackling exciting challenges and shaping the future of artificial intelligence.