Office Administrator

Strata Civil Ltd; Arrowtown; On-site; NZD 30,000 - 41,000; Full time

Job summary

Strata Civil Ltd is a growing civil construction company operating across Queenstown and Central Otago. We are seeking a reliable, organised Office Administrator to support our commercial, administrative, and systems functions.

This role is well suited to someone who enjoys structure, accuracy, and helping a business run smoothly behind the scenes. You will work closely with management and project staff, supporting billing, HR administration, and the ongoing development and enforcement of

Qualifications

• Highly organised and detail‑focused with strong time management.
• Experience with Xero or willingness to learn quickly.
• Comfortable using templates, documents and structured processes.
• Reliable, discreet and professional in all interactions.
• Experience in construction, contracting or trades businesses is a plus.

Responsibilities

• Accounts & Billing Support including drafting invoices and entering into Xero.
• Assist with progress claims and billing preparation.
• Maintain accurate financial and administrative records.
• Support HR administration and employee records.
• Help build and maintain company systems and documented processes.
• Ensure templates, checklists and procedures are kept up to date.

Skills

Organised

Detail oriented

Independent

Communication

Tools

Xero

Job description

Strata Civil is a growing civil construction company operating across Queenstown and Central Otago. We are seeking a reliable, organised Office Administrator to support our commercial, administrative, and systems functions.

This role is well suited to someone who enjoys structure, accuracy, and helping a business run smoothly behind the scenes. You will work closely with management and project staff, supporting billing, HR administration, and the ongoing development and enforcement of company systems.

Key responsibilities

Accounts & Billing Support

Entering draft bills and invoices into Xero

Assisting with progress claims and billing preparation

Maintaining accurate financial and administrative records

Supporting month‑end and reconciliation processes as required

Office & Administration

General office administration and document management

Maintaining organised digital filing systems

Assisting with data entry, registers, and tracking spreadsheets

Liaising with external accountants and consultants as required

HR & Staff Support

Assisting with HR administration (onboarding paperwork, records, training tracking)

Maintaining employee files and registers

Supporting payroll and leave administration processes

Assisting with internal communications and compliance documentation

Systems & Process Support

Assisting with building, documenting, and maintaining company systems

Helping enforce standard processes across projects and the office

Identifying gaps or inefficiencies and supporting improvements

Ensuring templates, checklists, and procedures are followed and kept up to date

About you

We are looking for someone who is:

Highly organised and detail‑focused

Confident working with Xero (or willing to learn quickly)

Comfortable working with systems, templates, and structured processes

Reliable, discreet, and professional

Able to work independently and manage their time effectively

Confident communicating with both office and site‑based staff

Previous experience in construction, contracting, or trades‑based businesses is an advantage but not essential.

What we offer

Flexible hours. Ideally 30 - 40 Hours per week so long as the job is done.

A stable, long‑term role within a growing local business

Direct involvement in improving and strengthening company systems

Supportive working environment with clear expectations

Competitive hourly rate based on experience