• Developed data flow relationships and designed OWASP Top 10 threat model with controls for a public-facing web application. • Developed and conducted vulnerability management assessments based on AESCSF, ISM and IRAP, and facilitated secure proxy architecture implementation for endpoint security, threat hunting, and compliance.• Design and document solution architectures across multiple projects including energy management system (EMS)/transmission, distribution management system (DMS)/distribution and renewables/distributed energy resource management system (DERMS). • Selecting, designing, and operationalising infrastructure solutions across both corporate ICT and OT, covering cloud, hybrid and on premise technologies. • Delivering secure solutions involving networking across multiple data centres, LAN and WAN carriage including dark fibre, MPLS, LTE/4G/5G, and satellite.• Work with cyber security teams to inform required scope and solution architectures to meet Australian Energy Sector Cyber Security Framework (AESCSF) requirements• Both planning and hands-on technical delivery to support project teams.

Supporting the Strategy and Architecture team in road-mapping, selecting, designing, and operationalising infrastructure solutions across both corporate ICT and OT.Discover and document technologies across ICT and OT into the enterprise architecture repository.Facilitate workshops and collaborate with corporate ICT, business stakeholders and engineers on infrastructure aspects of solutions spanning field devices, telecommunications, server environments, cloud, and corporate solutions.Design and document solution architectures across multiple projects.Document infrastructure and technology roadmaps, collaborating with other teams to build into a coherent 7-year ICT investment roadmap.Work with cyber security teams to inform required scope and solution architecture to meet AESCSF requirements

Responsible for providing high quality technical advice, road maps and strategy to enable continuous improvement. Subject matter expert in government networks, virtualised hosting and security integration.Assisting system owners to develop sound solutions including contributing to work packages and conducting workshops.High level proxy, load balancing and network design providing technical expertise and assistance to project managers, executives and teams throughout the entire project lifecycle.

Developed security best practices and aligned processes with security frameworks to identify and mitigate risk. Designed and architected firewalls, application security meta data, IDS/IPS integration as part of security visibility and reporting uplift. Designed and implemented matched IPS ruleset to DMZ application delivery controller services. Constructed reporting and dashboards to communicate exploit and threats to SOC team and cyber security management.

As part of small agile team of four, delivered successfully on time and under budget the data centre relocation for the Department of Education. Migrated all infrastructure and network services whilst minimising service interruption to large enterprise network of 50K users across 230 statewide sites.Designed, managed and troubleshooted the relocation whilst identifying network and service dependencies to preempt migration issues. Developed risk mitigation, testing and rollback within ITIL change management framework.Provide support and problem solving to integrated Windows and Linux related technologies including Exchange, Forcepoint, SQL, F5, VMWare and VEEAM.Successfully managed the migration away from Cisco NX-OS and ASA with FCoE, HSRP etc to ACI and Firepower within a Nutanix hyper-converged infrastructure.Designed and implemented Cisco and Forcepoint WCG WCCP solution for 40K endpoints and analysed security requirements within Cisco ACI and Firepower environment.

Consulting on networking, server integration and system administration projects, supporting clients across various industries.

Matark P/L was a innovative business that developed an “end to end’ financial reporting and integration services software product which was marketed and sold to financial services customers.