Dan Cassar

Systems Engineer with over a decade of experience across the gaming and lottery industries, currently at Light & Wonder. Designs, secures and supports scalable hybrid IT environments, with deep hands-on expertise in Active Directory, Azure, Okta, Microsoft 365, the Atlassian suite and GitHub. Combines technical depth with strategic problem-solving, focusing on automation, system optimisation and long-term maintainability, and continues to expand expertise in cloud infrastructure and modern IT architecture.

Systems Engineer at Light & Wonder (2024 – Present)

• Design and maintain secure, scalable hybrid infrastructure spanning cloud and on-premises systems.
• Administer identity and productivity platforms (Active Directory, Azure, Okta, Microsoft 365) alongside engineering and collaboration tooling: Atlassian suite, GitHub, Jenkins, Artifactory, TestRail, Slack, TeamPass, Miro, Monday.com, Figma and Power Automate.
• Drive automation and system optimisation through PowerShell scripting, streamlining routine administration.
• Lead application divestiture workstreams arising from corporate mergers, separating users, data and access across enterprise platforms.
• Partner with engineering and operations teams to align IT capabilities with business objectives.

IT Analyst at Light & Wonder (2022 – 2024)

• Supported and optimised enterprise IT services across Windows Server, Linux and cloud environments.
• Administered Atlassian (Jira, Confluence, Bitbucket) and GitHub workflows used by engineering teams.
• Diagnosed and resolved complex incidents, reducing downtime and improving the end-user experience.

Operational Support Analyst at Scientific Games (2018 – 2022)

• Monitored and maintained 24/7 gaming platforms, ensuring high availability and data integrity.
• Led incident response and root-cause analysis, coordinating across development and operations teams.
• Authored runbooks and refined alerting to shorten mean time to resolution (MTTR).

Network & Application Support Specialist at Maltco Lotteries (2014 – 2018)

• Provided Tier 2 network and application support across retail and back-office systems.
• Managed Windows Server environments, Active Directory and connectivity for distributed sites.
• Collaborated with vendors and internal teams to deliver timely fixes and system upgrades.

BSc in Computer Science – University of Hertfordshire