Job Description

We are seeking an experienced Office Manager & Administration Assistant to support our Western Region. Reporting to the General Manager, this role plays a key part in keeping our offices running smoothly while providing high‑quality administrative support to senior leaders, project teams and the Pre‑Contracts function.

This is a busy, varied role suited to someone who enjoys being the go‑to person, thrives in a fast‑paced environment and takes pride in creating a well‑organised, welcoming workplace.

About the role

As the first point of contact for visitors, you’ll oversee the day‑to‑day operations of our offices, ensuring everything from reception and meeting rooms to facilities and supplies runs efficiently. You’ll also provide administrative support to senior management, assist with onboarding new starters and coordinate a range of business support activities across the region.

Key responsibilities include:

• Managing daily office operations, reception services and facilities
• Coordinating office maintenance, service providers and supplies
• Providing high‑level administrative support to the General Manager, including diary management, meetings, reporting and presentations
• Supporting onboarding of new starters, including PPE, IT, access and inductions
• Coordinating travel, events, meetings and corporate functions
• Processing expenses and supporting financial administration, including purchase orders in SAP
• Maintaining accurate records and documentation in line with company processes
• Assisting the Pre‑Contracts team with tenders and EOIs as required

About you - To be successful in this role, you will bring:

• Proven experience in office management or administration roles
• Strong organisational and time‑management skills with excellent attention to detail
• Clear, professional communication skills and a customer‑focused approach
• Experience providing high‑level administrative support to senior stakeholders
• The ability to manage multiple priorities and work autonomously
• Proficiency in Microsoft Office (Word, Excel, Outlook and PowerPoint)
• Experience using SAP or similar financial systems (or a willingness to learn)
• A current driver’s licence.

Seymour Whyte benefits:

• Generous bonus programs linked to individual and business performance
• Salary continuance insurance provided to eligible employees
• Purchased leave (up to four weeks) for flexibility across life commitments
• Vehicle salary sacrifice and EV novated leasing options
• Corporate health insurance discounts and EAP mental health support
• Fitness & wellbeing discounts through WHEREFIT (gym, meal plans, fitness brands)
• Shopping and lifestyle discounts via Flare and CommBank Workplace Banking

We are a successful civil contracting business who has been operating in Australia for over 35 years. With the agility and personal connection of a Tier 2, yet the expertise of a Tier 1, and the enhanced resources of one of the largest, world-class construction companies, VINCI, our employees and clients get the best of three worlds.

As a progressive, leading civil engineering firm built on the strong foundations of our unique history, we engage, enable and empower our people to be better. With you, we are altogether stronger, in building the future we want.

Many of our projects are located in regional areas, therefore all applicants must hold a current Driver’s Licence and have their own transport.

Seymour Whyte is an Equal Opportunity Employer, and we encourage applications from candidates with diverse backgrounds, including veterans.

Our commitment to an equitable construction industry extends to an inclusive culture that embraces our differences and gives everyone the opportunity to grow and be equally valued. We're unified in our direction toward having a workplace that is balanced and fair for all.

Next steps

• Submit your CV online to apply for this role
• All successful applicants will be required to undergo a pre-employment medical and criminal history check.
• Applications will only be accepted from candidates who have the right to work in Australia

Reference code: 494591

Our internal Talent Acquisition team is managing this role; applications will not be accepted from recruitment agencies.