Senior Administrator

Metallium Ltd is transforming how the world recovers and recycles critical metals. With operations in Australia and the United States, we're pioneering the global commercialisation of Flash Joule Heating (FJH) - a breakthrough clean technology that extracts critical metals from e-waste, recycled batteries, and mine residue faster, cleaner, and at lower cost than traditional methods.

With our first US demonstration plant about to go live and major growth ahead, we're looking for an experienced and proactive Senior Administrator to help bring order, efficiency, and consistency to our head office in Perth.

This is a hands-on and varied role where no two days are the same - perfect for someone who thrives on variety, loves creating structure, and wants to be part of a small company doing something big on a global stage.

The Position

Working closely with the Business Support Manager and leadership team, you will:

• Manage day-to-day office administration, systems, and vendor coordination.
• Oversee office facility management, coordinate with suppliers and contractors and manage general office procurement.
• Manage staff travel (domestic and international), and prepare and reconcile expenses for the executive team
• Support ad hoc strategic and operational projects and contribute ideas to improve how things get done as Metallium continues to grow.
• Support in arranging internal and external meetings and event logistics for the senior leadership team when required.
• Support basic accounts data entry and payroll processes during peak periods.
• Develop and maintain templates, registers, and procedures to ensure consistency and efficiency across the business.
• Assist with onboarding new starters, IT setup, purchase of office equipment etc

About you

You'll be a confident, organised, and solutions-focused professional who enjoys being the go-to person that keeps everything running smoothly.

To succeed, you'll bring:

• Minimum 5+ years' experience in an office administration, business support, or coordination role.
• Strong Microsoft Office skills (Excel, Powerpoint, Word)
• Experience using accounting or payroll systems (Xero, MYOB or similar) highly desirable but not essential
• Excellent organisation and time management skills, with a keen eye for detail.
• A proactive, can-do attitude and willingness to roll up your sleeves.
• Comfort working in a fast-moving environment where priorities shift quickly.
• Strong interpersonal and communication skills - professional, friendly, and approachable.
• Ability to work independently, make decisions and maintain focus on business priorities.

Why join Metallium

Be part of something extraordinary: our work is transforming the future of metals recovery and advanced manufacturing, and you'll join just as Metallium's technology scales globally.

Growth:  work alongside industry leaders in a role that can evolve with you with opportunities to grow with the business and develop your skills across admin, systems, finance, and projects.

Make an impact:  this is a role where your organisation and ideas will directly shape how the business runs, and our success story.

Global exposure: collaborate with teams in Australia and the US on high-impact projects, with continued opportunities emerging across the globe.

Metallium combines the pace and energy of a startup with the strength of an ASX-listed company and international investors behind us.

Our Culture: work with passionate professionals who move fast and think big, in a small close knit, supportive and friendly team.

To Apply

To be considered please apply directly through Seek. All applications and conversations will be treated with the strictest of confidence.

We will provide further information, including a detailed Position Description, to shortlisted applicants whose experience aligns with the key requirements.

If you have specific questions about the role before applying and believe you are a strong fit for the position, you are welcome to contact Dayna Edwards, Group HR Manager at to arrange a confidential conversation.

Metallium Limited are an equal opportunity employer who provides an inclusive work environment and embraces the diverse talent of its people. We treat each other fairly and with dignity regardless of race, gender, nationality, ethnic origin, religion, age, sexual orientation or beliefs and encourage applications from people with a variety of experience and backgrounds.