Aldrin Redolme
Seaford,VIC
Summary
Experienced and adaptable Network and Systems Administrator with a strong track record of designing, implementing, and maintaining complex systems and secure network environments in both education and enterprise sectors. Over 20+ years of progressive experience in infrastructure management, IT operations, and cybersecurity. Proven ability to manage ICT systems across multi-site environments, mentor technical teams, lead innovation, and align IT services with evolving organisational goals. Passionate about fostering technology that supports modern learning environments and safeguarding digital assets in child-safe organisations.
Overview
17
17
years of professional experience
1
1
Certification
Work History
Specialist Technician/Network Manager
JB Hi-Fi/University High School
02.2014 - 12.2024
- Led the IT Department in close collaboration with the ICT Coordinator and the school’s Leadership Team to deliver key Department of Education's ICT initiatives, manage technical staff, and ensure the successful execution of infrastructure and digital transformation projects.
- Oversee server and network infrastructure's design, configuration, and management supporting over 2,300 users.
- Spearheaded cybersecurity initiatives, implementing policies and procedures to mitigate risks, monitor networks, and address security breaches.
- Collaborate with vendors and MSPs to procure and maintain ICT equipment, optimising network performance and cybersecurity measures.
- Lead disaster recovery planning, executing simulated failover testing, and maintaining IT-related policies and procedures.
- Recognised by Department of Education's Regional Service Delivery Manager as instrumental in the successful re-location of University High School few days after a devastating fire. Demonstrated exceptional knowledge, professionalism, and dedication in re-establishing access to Department systems and school services.
Systems Engineer
Network Neighborhood
04.2011 - 02.2014
- Managed and optimised network infrastructure for multiple schools, increasing network performance by 50%.
- Installed, configured, and maintained network devices (Cisco, HP/Aruba) to ensure secure and stable connectivity across schools.
- Designed and implemented network segmentation to improve performance and security, reducing system downtime by 30%.
- Provided technical guidance to junior team members, ensuring timely resolution of complex network issues.
- Collaborated with school administrators to tailor network solutions that supported educational goals, enhancing overall user experience.
- Developed detailed network documentation and policies to support ongoing system upgrades and IT audits.
- Troubleshooted hardware and software issues for end-users, reducing incident response time by 40%.
IT Support Engineer
ByteWay
12.2007 - 04.2011
- Delivered Tier 1 and Tier 2 IT support to small and medium businesses, resolving technical issues across various platforms and applications.
- Installed and configured servers, desktops, and networking equipment to meet client specifications, ensuring seamless operations.
- Assisted in migrating businesses to new operating systems, applications, and network infrastructures with minimal downtime.
- Used remote desktop tools to resolve user issues efficiently, providing support to clients across Victoria and Tasmania.
- Implemented security protocols and antivirus solutions, reducing frequency of malware infections by 25%.
- Maintained ticketing systems for tracking and resolving issues, improving team performance and client satisfaction.
- Conducted regular hardware diagnostics and preventive maintenance to minimise downtime and improve overall system performance.
- Provided user training and technical documentation to ensure smooth transitions during system upgrades and migrations.
Education
Certificate IV in Cyber Security -
Box Hill Institute
Melbourne, Victoria04.2024
Bachelor of Science in Computer Science -
Ateneo De Davao University
Davao City, Philippines03.1999
Skills
- Management Skills
- Budgeting
- Project Management
- Information confidentiality
- Team Collaboration
- Quality Assurance
Certification
- Google IT Support, 12/01/22
- Google Project Management, 10/01/22
- ISC2 Certified in Cybersecurity, 09/03/23
Technical Skills
Microsoft Infrastructure & Deployment
- Installation, migration, and deployment of systems using Active Directory, DNS, DHCP, Print Server, IIS, RDS, File and Storage Services, WDS, WSUS, MDT, and SCCM.
Microsoft Cloud & Modern Workplace
- Administration of Microsoft Azure, Entra ID, Defender, Exchange Online, Intune, Teams, SharePoint, and Microsoft Purview.
Apple Ecosystem Management
- Deployment and management of iMac, MacBook, iPad, iPhone, and Apple TV using macOS Server, Jamf, and Apple School/Business Manager (MDM).
Networking & Infrastructure
- Configuration and installation of Cisco and HP/Aruba network devices.
- Implementation of VLANs, wireless networks, and network segmentation for performance and security.
Security & Compliance
- Email security and threat protection using Mimecast.
- Firewall and web filtering with Fortinet, Smoothwall, and Netbox.
- Identity and compliance tools via Microsoft Purview and Entra ID.
Backup & Disaster Recovery
- Data protection and recovery using Commvault, Windows Server Backup, and Veeam.
- Disaster recovery planning and failover simulation testing.
Monitoring & Systems Management
- Network and system monitoring with PRTG Network Monitor.
- Endpoint and device management via SCCM, Intune, Jamf, and MDT/WDS.
Web & Application Hosting
- Installation and deployment of web services using IIS, XAMPP, and WordPress.
Cloud Collaboration Platforms
- Administration and support for Google Workspace and Microsoft 365 environments.
References
Ohlu Wickramaratna
Business Manager - University High School
Email: Ohlu.Wickramaratna@education.vic.gov.au
Mobile: 0419 334 788
Christopher Jones
Principal - Northcote High School
Email: Christopher.Jones@education.vic.gov.au
Mobile: 0459 218 259
James Taylor
Assistant Principal - Richmond High School - Gleadell Street Campus
Email: James.Taylor2@education.vic.gov.au
Mobile: 0439 634 923
Timeline
Specialist Technician/Network Manager
JB Hi-Fi/University High School
02.2014 - 12.2024
Systems Engineer
Network Neighborhood
04.2011 - 02.2014
IT Support Engineer
ByteWay
12.2007 - 04.2011
Certificate IV in Cyber Security -
Box Hill Institute
Bachelor of Science in Computer Science -
Ateneo De Davao University
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