Randy Sellar

Background

About Randy Sellar

I help Australian organisations build secure, resilient, and efficient digital workplaces through strategic Microsoft cloud and security solutions.With over 17 years of hands-on experience across enterprise, SME, and government sectors, I specialise in architecting and implementing Microsoft 365 security frameworks, Zero Trust architectures, and modern workplace transformations that deliver measurable business outcomes. SECURITY & COMPLIANCE EXPERTISE- Essential Eight (ML1/ML2) and ISM compliance implementations- Microsoft Defender Suite (Endpoint, Cloud Apps, Identity, Sentinel)- Zero Trust architecture design and implementation- Cybersecurity risk assessment and remediation- Identity and Access Management (Entra ID, Conditional Access, PIM)- Information Protection (MIP, DLP, sensitivity labels) CLOUD & MODERN WORKPLACE SOLUTIONS- End-to-end Microsoft 365 and Azure transformations- Complex cloud migrations (Exchange, SharePoint, Teams, AVD)- Hybrid identity and infrastructure design- Microsoft Teams Voice implementations - Secure collaboration and governance frameworks- Multi-tenant and cross-cloud migrations LEADERSHIP & STRATEGIC CONSULTING- Technical team leadership and mentorship- Solution architecture and pre-sales engagement- Stakeholder management across government and enterprise clients- Technology strategy development and roadmap planning- Change management and user adoption programmesI'm particularly passionate about helping organisations in the government and regulated sectors navigate complex compliance requirements whilst enabling their teams to work securely and productively. My approach combines deep technical expertise with a focus on business outcomes – ensuring that security enhancements actually support (rather than hinder) operational efficiency.Currently serving as Senior Solutions Consultant at Infotrust AU, I lead technical teams and deliver strategic implementations across some of Victoria's most security-conscious organisations. CERTIFICATIONS- Microsoft Cybersecurity Architect Expert- Microsoft Azure Solutions Architect Expert- Microsoft Identity and Access Administrator Associate- ISC² Certified in Cybersecurity (CC)Always happy to share insights and connect with fellow technology professionals across Australia.