The Company
De Stefano & Co are Defence and Security experts, offering a unique suite of services that enable organisations to comply with security requirements and successfully transact within Australia's complex defence industry environment.
The organisation's programs are adopted widely by Prime Defence contractors, multinationals and government clients, engaging in work spanning Australia, the US, UK and Europe.
HQ'd in the heart of Port Adelaide, De Stefano & Co is well positioned to benefit from the opportunities AUKUS presents.
Approaching ten years in business, De Stefano & Co continues to achieve significant year on year growth and was recognised in the Top 25 companies at the BDO Fast Movers SA Awards for two years in a row.
De Stefano & Co's commitment to innovation, excellence and client success has been acknowledged through a number of credible industry awards and accolades, including:
WINNER – SA Premier's Beyond Borders Award 2025
WINNER – Cyber Business of the Year, Australian Defence Industry Awards 2025
WINNER – Cyber Security Consulting Business of the Year SME, Australian Cyber Security Awards 2024
Recognised in the Top 25 Companies – InDaily BDO Fast Movers Awards 2022 and 2023
The Culture
De Stefano & Co continuously invests in the personal and professional development of its people, who are genuinely motivated to be part of the organisation's success.
The thought leadership led environment encourages contribution, and has attracted a group of collaborative, intelligent, professional and personable individuals who care about making an impact.
There is a strong mentality of putting results before profits, with a shared drive for finding answers and achieving meaningful outcomes. The team inspires confidence in clients through its focus on doing the right things well.
While the team is relatively small, it is highly capable and continues to grow in line with the organisation's success. With a small but growing team, this role offers the opportunity to have real impact and to grow alongside the business as it continues to scale.
De Stefano & Co also gives back to the broader community in meaningful ways, including providing internships for aspiring cyber professionals, sponsoring the West Adelaide Bearcats, and supporting the Entrepreneur of the Year Award as part of the North West Business Community Awards.
The Role
De Stefano & Co is seeking a confident and capable Personal Assistant to support the CEO and play a central role in the day to day running of the business. This is a trusted role for someone who enjoys working closely with a senior leader, protecting executive time, and ensuring the office and broader team operate smoothly and professionally.
The role combines classic Personal Assistant responsibilities with hands on office and administrative tasks. The successful candidate will keep the CEO focused and effective, and help create a well organised, productive and welcoming environment for clients and employees.
This is not a passive support role - the Personal Assistant will act as a professional gatekeeper, exercising sound judgement, managing competing priorities, and confidently pushing back where required, always with discretion, warmth and professionalism.
Key Responsibilities
* Manage and prioritise the CEO's calendar, proactively protecting time and focus
* Act as the primary point of coordination between the CEO and internal and external stakeholders
* Draft, review and manage correspondence on behalf of the CEO
* Prepare briefing notes, agendas, minutes and follow-up actions
* Support presentations, reports and executive meetings
* Take ownership of the day-to-day running of the office environment
* Ensure the office is consistently organised, professional and client ready
* Manage office supplies, catering, facilities and subscriptions
* Greet guests and coordinate meetings and events
* Provide administrative and data entry support across CRM and internal systems
* Enter and manage data for Government Grants submissions
* Support governance and compliance activities as required
* Gather client feedback on a periodic basis
* Support internal and client events, including team functions and roundtables
* Coordinate client gifting in partnership with Marketing
* Provide ad hoc administrative support as required
Requirements
* Previous experience as a Personal Assistant, Executive Assistant, Office Manager or similar role
* Demonstrated ability to work closely with a senior leader and exercise sound judgement
* High levels of tact, discretion and professionalism when handling sensitive information
Confidence to manage access, prioritise competing demands and professionally push back when required
* A proactive mindset with the ability to anticipate needs rather than wait for direction
* Strong organisational skills, attention to detail and follow through
* Comfortable balancing executive level support with hands on administrative responsibilities
Application
To apply for this role, please click the Apply button and attach your CV and cover letter as Word documents. For more information and a confidential discussion, contact Sam on
Please note that due to Defence related work, only Australian citizens can be considered for this role.