IT Specialist

Hello, I'm Gun Sim

+1 (778) 882-9985

Work Experience

02/2018 - Present

IT System & Network Administrator

Select Wines - Vancouver, Canada

  • Sole IT Specialist responsible for managing and maintaining all aspects of the company’s IT infrastructure, including servers, networks, security, and user support across multiple locations in Canada.
  • Provided end-to-end IT solutions, from daily troubleshooting to long-term strategic planning and implementation.
  • Managed IT onboarding and offboarding processes for employees:
    • Collaborated with HR to ensure timely procurement and setup of laptops for office staff and tablets for sales teams.
    • Delivered basic IT training during onboarding to help employees integrate smoothly into the company’s systems.
    • Handled IT asset recovery and deactivation processes for departing employees.
  • Oversaw IT asset management, ensuring all laptops, tablets, and peripherals were properly tracked, maintained, and replaced as needed.

 

  • Key Projects:
    • 2018 Ransomware Attack Recovery:
      • Led a complete rebuild of the company’s server infrastructure from scratch after multiple failed restoration attempts.
      • Designed and implemented a secure, scalable environment with upgraded servers, hybrid backup solutions, and enhanced VPN security.
      • Introduced advanced endpoint protection and employee training to minimize future risks.
    • 2019 Phishing Campaign Implementation:
      • Launched a company-wide phishing campaign using Sophos Phish Threat to assess and improve employee awareness of phishing attacks.
      • Designed a structured training program for employees who failed the phishing test, requiring them to complete courses and pass a follow-up exam.
      • Reduced the phishing test failure rate from over 50% in the first campaign to under 10% after consistent training.
      • Achieved a noticeable 50%+ reduction in actual email hacking attempts and unauthorized login attempts within a year.
    • 2019–2021 M&A IT Integration:
      • Led IT integration for three acquisitions, including Office 365 and file server migrations.
      • Standardized IT systems across all acquired companies to ensure seamless operations.
    • 2020 ERP Software Upgrade:
      • Led Microsoft Dynamics NAV upgrade with AWS-based development environment.
      • Coordinated with external vendors and internal teams to ensure minimal disruption during the upgrade process.
    • 2020 Migration to IP Telephony:
      • Transitioned company phone system from landline to RingCentral IP phones.
      • Improved communication reliability and reduced costs by 30%.
    • 2022 StarLeaf to Microsoft Teams Transition:
      • Migrated company messaging and meeting systems to Microsoft Teams, enhancing collaboration and reducing operational costs.
    • 2022 Backup Solution Transition:
      • Migrated from MSP360 to Veeam, including Office 365 backup implementation.
      • Improved backup reliability and recovery speed, ensuring compliance with data retention policies.
    • 2023 Server Room Maintenance:
      • Upgraded UPS, servers, and air conditioning systems to improve server reliability and performance.
    • 2023 Office Relocations:
      • Managed IT setup for Calgary and Toronto office relocations, ensuring zero downtime during the transition.
    • 2024-2025 Cloud Migration:
      • Transitioned on-premises servers to Azure and Microsoft 365, including database, ERP, and file systems.
      • Enhanced scalability for future growth and improved accessibility, enabling resource access anytime, anywhere with an internet connection.
    • Annual IT Environment Audits:
      • Conducted regular IT environment assessments across all company locations to identify and address potential risks.
      • Provided recommendations for system improvements, ensuring compliance with security standards and optimizing performance.

05/2016 - 07/2016

Intern

SDA Software Associates Inc. -Vancouver, Canada

  • Participated in Agile Scrum development for two in-house applications.
  • Conducted functional testing, identified bugs, and created Jira tickets for fixes and feature enhancements.
  • Collaborated in daily team stand-ups to track progress and report findings.

Education

2014 - 2017

Bachelor of Science in Information Technology, Minor in Business

Fairleigh Dickinson University

Skills & Expertise

Azure Solutions Architecture (Microsoft Certified)

Expert in designing and implementing scalable, secure, and efficient cloud solutions using Microsoft Azure technologies.

Network Security & Firewall Management

Skilled in configuring and maintaining firewalls to ensure robust network security and protect against cyber threats.

Disaster Recovery & Business Continuity Planning

Proficient in developing strategies to minimize downtime and ensure business continuity during unexpected disruptions.

Office 365 Administration & Migration

Experienced in managing Office 365 environments, including seamless migrations and user management for optimal productivity.

 

IT Service Management (ITSM)

Adept at implementing ITSM frameworks to enhance service delivery, streamline processes, and improve user satisfaction.

Server & Infrastructure Management

Capable of managing and optimizing server environments and IT infrastructure to support business operations efficiently.

Certifications

AI-900

Microsoft Certified: Azure AI Fundamentals

AZ-304

Microsoft Certified: Azure Solutions Architect Expert

AZ-104

Microsoft Certified: Azure Administrator Associate

AZ-900

Microsoft Certified: Azure Fundamentals