Are you an experienced administrator who thrives on creating structure, improving processes and keeping a busy professional services environment running at its best?
A highly respected Accounting Firm is seeking a proactive and capable Senior Administrator to lead the administration function and play a pivotal role in supporting the smooth operation of the business. This is far more than a traditional administration role - it's an opportunity to take ownership, influence how things are done, mentor others and contribute to the ongoing success of a growing and dynamic firm.
Working closely with senior leaders, you will be the go-to person for administration excellence, ensuring exceptional service delivery, operational efficiency and a seamless experience for both clients and employees.
The Opportunity
As the Senior Administrator, you will oversee the day-to-day administration function while supporting key business operations across the firm. You'll work collaboratively with Directors, Managers and internal stakeholders to ensure the business runs efficiently and professionally.
This is a hands-on leadership role suited to someone who enjoys taking initiative, solving problems, improving processes and building strong relationships across all levels of an organisation.
Key Responsibilities
Lead and support the administration function to ensure exceptional service delivery across the business
Create a welcoming and professional client experience
Oversee reception and front-of-house operations
Maintain office facilities, equipment and workplace presentation
Drive continuous improvement of administration processes, systems and procedures
Process basic ASIC company changes
Prepare and distribute client documentation through digital signing platforms
Manage administrative inboxes and ensure timely responses
Contribute to special projects and business initiatives as required
About You




You are an experienced administration skilled who enjoys taking ownership and leading by example. You are highly organised, solutions-focused and confident working across multiple priorities in a fast-paced professional environment.
You will bring:
Previous experience in a senior administration, office management or professional services support role
Public practice experience
Strong leadership capability and experience mentoring or guiding team members
Excellent communication and stakeholder management skills
Exceptional attention to detail and commitment to quality
Advanced organisational and time management skills
Strong Microsoft Office skills, including Word, Outlook and Excel
Experience with BGL CAS 360 (highly regarded)
Sound judgement and the ability to manage confidential information
A proactive mindset with solid problem-solving abilities
A genuine passion for delivering outstanding internal and external customer service
What's On Offer
This organisation genuinely invests in its people and provides an environment where employees can grow, develop and enjoy coming to work.
Benefits include:
Annual remuneration reviews
Career development and progression opportunities
Ongoing learning and professional development support
Collaborative and supportive leadership team
Open and transparent feedback culture
Flexible and supportive approach to work-life balance
Social club events and team-building activities
Employee Assistance Program
Wellness initiatives including fresh fruit, quality coffee, flu vaccinations and monthly massages
Employee referral bonus program
Certified Great Place to Work employer
If you're looking for a role where you can make a genuine impact, take ownership of key business functions and join a professional, people-focused organisation, we'd love to hear from you.
At Mars, we are passionate about providing equal employment opportunities and embracing diversity to the benefit of all.
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📌 Senior Administrator (Melbourne)
🏢 Mars Recruitment
📍 Melbourne