OneStep Group Names Kevin O’Sullivan As National General Manager, Cyber
By Julius Ewudo, Cyber Era NG ASEAN Region Representative
OneStep Group is pleased to announce the appointment of Kevin O’Sullivan as its new National General Manager, Cyber, effective 13th October 2025. In this role, Kevin will lead the organisation’s national cyber practice, driving growth, capability development, and client delivery across Australia. He will report to Kingsley McGarrigle, Executive General Manager of Cyber, Solutions & AI, People and Infrastructure.
This is a strategically important appointment for OneStep Group, as the company intensifies its focus on expanding its national footprint in the Cybersecurity domain. Kevin brings with him a track record in Cyber leadership, business growth, and alignment of technical capability with business outcomes.
“I’m thrilled to join OneStep Group at such an exciting point in its journey,” said Kevin O’Sullivan. “As Australia advances its digital and sovereign capabilities, cyber resilience is both a national priority and a shared responsibility. I’m passionate about building partnerships that blend curiosity, innovation, and trust, enabling our clients to operate securely while embracing what’s next, and I’m looking forward to deepening our presence in key markets and drive meaningful impact for our clients.”
As National GM, Cyber, Kevin will be responsible for shaping the strategic direction of the Cyber practice, building alliances, defining service portfolios, and ensuring excellence in delivery across all states and territories. His remit will also include talent development, operational scaling, and forging new client relationships, in alignment with OneStep’s national growth ambitions.
Executive General Manager, Cyber, People, Infrastructure and Solutions & AI, Kingsley McGarrigle commented on the appointment:
“I am delighted to welcome Kevin to the OneStep family. His extensive experience in cyber operations, governance, and business leadership positions him perfectly to lead our Cyber practice into its next chapter of growth. With Kevin on board, we will accelerate our mission to deliver cutting-edge, resilient solutions nationally — while maintaining close alignment across our broader practice strategies. I look forward to working alongside him as we scale and innovate together.”
OneStep Group is confident that under Kevin’s leadership, its Cyber practice will further mature, expand its client base, and deliver stronger outcomes for organisations grappling with evolving threats. Kevin’s appointment underscores OneStep’s commitment to national growth, technical excellence, and integrated services across Connectivity, Data & Analytics, Cyber, Infrastructure, Solutions & AI and People.
