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Office administrator

Sydney
Gamuda Australia
Administrative Secretary
Posted: 21 May
Offer description

Gamuda Engineering is a reputable Engineering and Construction contractor that specialises in the design, construction, operation and maintenance of Transport, Civil and Energy Infrastructure projects. We are currently delivering the Sydney Metro West – Western Tunnelling Package, Sydney Metro – Stations Package West and in joint venture partnerships for both the $1.35B Coffs Harbour Bypass and the $1B M1 Motorway Extension Southern Package.

We are also shortlisted for several major transport and energy infrastructure projects and are pursuing other significant opportunities in these sectors across Australia.

As our team continues to grow, we are focused on attracting talented professionals who share our commitment to excellence and innovation. We are proud to be building a culture that aspires to be an employer of choice in the Australian infrastructure sector.

About the role

As the Office Administrator, you'll be responsible for overseeing day‐to‐day office management functions, coordinating bid documentation, managing tender administration systems, and providing efficient administrative support to ensure the seamless delivery of pre‐contract activities and overall business operations.

Specific activities will include:

* Maintain and manage a database of supporting documents for all bids, ensuring accuracy, accessibility, and version control.
* Assist with the preparation, submission, and tracking of tenders and bids, including developing and implementing administrative templates for consistent use across the wider team.
* Lead the initial configuration and ongoing maintenance of the Tender SharePoint site, ensuring it is structured, functional, and user‐friendly.
* Oversee, audit, and manage SharePoint permissions, maintaining appropriate access levels for internal teams, external clients, and contractors.
* Ensure SharePoint manuals and user guides are accurate and up to date, providing clear guidance to all users.
* Act as the primary point of contact for SharePoint‐related communications, liaising with internal teams, external clients, and contractors to resolve queries and provide support.
* Support bid‐related meetings, site visits, and pre‐bid sessions, assisting in coordination, documentation, and information gathering to clarify client requirements.
* Perform general administrative tasks, including printing, collating, and organising bid documentation.
* Establish and set up tender bid offices as required, ensuring all logistical, administrative, and documentation needs are met to support the bid process.
* Oversee daily office operations, including scheduling, supply management and coordination of administrative tasks to ensure an efficient and well organised workplace.

Your skills and experience

You will be a detail‐focused professional who thrives in fast‐paced, deadline‐driven environments and is confident managing multiple priorities. You will bring:

* Qualifications in Business Administration or a related discipline are desirable.
* 2–3 years' experience in an administration or project support role.
* Strong attention to detail with excellent organisational and multitasking skills.
* Intermediate to advanced proficiency in Microsoft Excel, PowerPoint, Word, and SharePoint.
* Ability to meet competing deadlines and work both independently and collaboratively.
* Professional communication skills and the ability to build positive relationships across teams.

Gamuda Australia encourages and supports a diverse and inclusive workforce, including those from overseas and current Visa holders. Gamuda appreciates your application, and we will endeavour to respond as soon as practicable.

Unsolicited agency CVs submitted to Gamuda will not be accepted.

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