Liron Rosin
Auckland,AUK
Summary
Dedicated Computer Science student specializing in Cyber Security, with hands-on IT support experience. Managed infrastructure and responded to cyber threats while delivering effective technical solutions. Strong technical skills complemented by leadership and communication abilities.
Overview
3
3
years of professional experience
Work History
IT Support / Senior Service Desk Technician
Michael Hill NZ
05.2024 - Current
- Operate as the primary IT support resource across New Zealand, managing infrastructure, security monitoring, and incident response for a large retail environment.
- Led IT operations across stores and head office, ensuring uptime of POS, network, and hardware systems.
- Monitored cybersecurity channels, including Microsoft Defender alerts and cyber mailbox activity, to enhance threat detection.
- Investigated phishing attacks and responded effectively to minimize organisational risk exposure.
- Analysed anomalous sign-in attempts and suspicious IP activity, escalating findings to the security team.
- Investigated impersonation cases (fake websites/social accounts) via Unphish and progressed takedowns.
- Managed Azure DevOps tickets generated via Deloitte, ensuring timely triage and resolution.
- Coordinated vendors for hardware rollouts and repairs, ensuring timely infrastructure upgrades.
- Improved communication between IT and business units, reducing downtime and resolution times.
- Configured Hardware and assigned licences to Office, retail users and store accounts.
Team Leader & Brand Ambassador
Raydar
01.2024 - Current
- Led teams at events and activations, enhancing brand visibility and customer engagement.
- Delivered engaging customer experiences while coordinating on-site operations for optimal brand representation.
- Led team meetings to discuss project progress and address challenges.
- Coordinated daily operations to ensure effective workflow among team members.
- Mentored junior staff to enhance their skills and improve team performance.
Security Contractor
AHC Organisation Security
01.2021 - Current
- Delivered security services at youth camps and community events, fostering a safe environment for participants.
- Managed safety, incident response, and public interaction in high-responsibility environments, ensuring community trust and satisfaction.
- Conducted security assessments for various client sites to identify vulnerabilities.
- Monitored surveillance systems to ensure safety and detect suspicious activities.
- Collaborated with law enforcement to manage incident responses effectively.
Cabinet Maker / Shopfitter / Delivery Driver
SureStyle Group
04.2022 - 06.2023
- Facilitated logistics, installations, and customer delivery to enhance operational efficiency.
- Acquired practical skills in trade environments and engaged with clients to strengthen service relationships.
- Fabricated custom cabinetry using various woodworking tools and techniques.
- Assembled and installed cabinetry in residential and commercial spaces.
- Collaborated with designers to ensure accurate specifications and design intent.
Team Member
BurgerFuel – Mount Wellington
06.2021 - 03.2022
- Provided exceptional customer service to enhance customer satisfaction in fast-paced environment.
- Cultivated teamwork, communication, and time management abilities to support team objectives.
- Prepared and cooked menu items according to company standards.
- Maintained cleanliness and organization in the work area during shifts.
- Operated kitchen equipment safely and efficiently throughout service hours.
Education
Bachelor of Computer Science - Cyber Security Major
04-2026
Current
NCEA Level 1, 2 & 3 -
12-2021
Merit Endorsement + University Entrance
- 7.0 GPA
Skills
- IT infrastructure support
- Networking and troubleshooting
- Incident analysis
- Threat monitoring
- Microsoft Defender expertise
- Vulnerability assessment
- Azure DevOps
- Technical problem solving
- Vendor management
- Team coordination under pressure
- Stakeholder engagement
- Strong communication skills
Training
- NZQA, US 11817 – Customer Service (Face-to-Face)
- NZQA, US 30692 – Trade Calculations
- NZQA, US 17593 – Workplace Health & Safety
Volunteer Experience
- Child Cancer Foundation, Regional Child Ambassador
- CanTeen / Community Organisations, Volunteer & Support Roles
- Youth Camps & Events (AHC / P4G Security), Security Support
Professional Highlights
- Sole IT Support Technician for Michael Hill NZ, managing national operations
- Raised $7,000+ for Starship Oncology Ward through Child Cancer Foundation
- Guest speaker to audiences of 500+ students and 600+ business leaders
- Played key role in launching a new Michael Hill Distribution Centre
- Led improvements in IT communication, reducing issue resolution times
Timeline
IT Support / Senior Service Desk Technician - Michael Hill NZ
05.2024 - Current
Team Leader & Brand Ambassador - Raydar
01.2024 - Current
Cabinet Maker / Shopfitter / Delivery Driver - SureStyle Group
04.2022 - 06.2023
Team Member - BurgerFuel – Mount Wellington
06.2021 - 03.2022
Security Contractor - AHC Organisation Security
01.2021 - Current
Auckland University of Technology (AUT) - Bachelor of Computer Science, Cyber Security Major
Glendowie College - NCEA Level 1, 2 & 3,