Administration Assistant

RGIT Australia; Newcastle City Council; On-site; AUD 55,000 - 70,000; Full time

Job summary

Marline Newcastle Pty Ltd is a multi-disciplinary building services engineering consultancy seeking an Admin Assistant to support day-to-day office operations in Newcastle, NSW. The role focuses on general administrative tasks, coordinating activities, and maintaining a smooth office environment.

Responsibilities include onboarding/offboarding processes, client reception, and routine office maintenance. The successful candidate will be highly organized, proficient in MS Office 365, and capable

Qualifications

• Proficiency in Microsoft Office 365 package.
• Strong critical thinking and analytical skills with attention to detail.
• Excellent written and verbal communication skills.
• Highly organized with effective time management.
• Excellent interpersonal skills to build rapport with clients and peers.
• Able to work independently and as part of a team.
• Display professionalism at all times.
• Willingness to learn, be proactive and reliable.

Responsibilities

• Team scheduling and various team processes (onboarding/offboarding, vehicle fleet and other).
• Greeting clients and managing incoming phone calls and correspondence.
• Office maintenance and housekeeping.

Skills

Proficiency in MS Office 365

Critical thinking

Analytical skills

Excellent communication

Highly organized

Interpersonal skills

Independent and team work

Professionalism

Willingness to learn

Proactivity

Reliability

Problem-solving

Tools

Microsoft Office 365

Job description

Newcastle, New South Wales 2300, Australia

Posted 16 Sep 2026

Description

Marline Newcastle Pty Ltd is a multi-disciplined building services engineering consultancy firm with over 40 years of experience. We deliver projects across the health, retail, residential, education, commercial, aged care, and leisure sectors all over East Coast with expertise in electrical, mechanical, hydraulic, fire and stormwater engineering and environment-sustainable building services design.

We have developed and earned a strong reputation within the wider Newcastle region and this reputation now precedes us throughout New South Wales and beyond.

We are currently seeking an Admin Assistant to join our team, providing support with administrative tasks and office coordination.

This role is a full-time opportunity to join the Marline team, where you will ensure smooth day-to-day operation of our Office, focusing on general administrative tasks, housekeeping and supporting our team co-ordination and the wider team.

Responsibilities will include, but not be limited to;

• Team scheduling & various team processes (onboarding/offboarding, vehicle fleet and other)
• Greeting clients and managing incoming phone calls & correspondence
• Office maintenance & housekeeping

To be successful in the role you will have;

• Proficiency in Microsoft Office 365 package
• Strong critical thinking and analytical skills with superior attention to detail
• Excellent communication skills – both written and verbal
• Highly organised, with effective time management skills
• Excellent interpersonal skills with ability to build rapport quickly and maintain trust with both clients and peers
• Confident ability to work both independently and as a part of a team
• Display a high level of professionalism; and
• A willingness to learn, proactivity, reliability, and problem-solving skills.

At Marline, we offer a positive, healthy, and flexible working environment, a professional and supportive team, and training and development opportunities to support your career.

Company Overview

Join Marline Newcastle - a multi-disciplined building design and engineering consultancy firm with a focus on high levels of customer service and production of quality engineering designs.