Bilingual Office Assistant (English/Mandarin) - Flexible Hours

Stronghold Engineers; Sydney; On-site; AUD 50,000 - 60,000; Full time

Job summary

Stronghold Engineers is seeking an organised Office Assistant to support our busy engineering team and help keep the day-to-day operations running smoothly at our Ultimo office in Sydney.

You will handle calls and emails, assist with invoicing and payment follow-ups, prepare fee proposals, monitor project schedules, update clients on progress, and provide general admin support to management and the engineering team. Fluent English and Mandarin, with school-hours flexibility, are welcome.

Qualifications

• Previous experience in office administration or office management.
• Professional phone manner and email written skill.
• Highly organised with the ability to multitask in a busy environment.
• Strong computer skills and confidence using AI tools such as ChatGPT.
• Experience with Xero is preferred.
• Excellent communication and teamwork skills.
• You must hold a valid visa to apply for this job.

Responsibilities

• Handle incoming calls, emails and general client enquiries
• Make outgoing calls to arrange site inspections and follow up with clients
• Assist with invoicing, accounts and payment follow-ups
• Prepare and issue fee proposals and certification documents to clients
• Monitor engineers' job schedules and update clients on project progress
• Manage and update the company website and social media
• Provide general administrative support to management and the engineering team
• Order and maintain office supplies
• Maintain a professional, tidy office and meeting room
• Other add-hocs and report to director assistant

Skills

Phone etiquette

Email writing

Organisational skills

Multitasking

AI tools (ChatGPT)

Teamwork

Communication

Education

Office administration experience

Tools

Xero

ChatGPT

Job description

Stronghold Engineers is seeking an organised Office Assistant to support our busy engineering team and help keep the day-to-day operations running smoothly at our Ultimo office in Sydney.

You will handle calls and emails, assist with invoicing and payment follow-ups, prepare fee proposals, monitor project schedules, update clients on progress, and provide general admin support to management and the engineering team. Fluent English and Mandarin, with school-hours flexibility, are welcome.