Vu Nguyen

Cybersecurity and network engineering professional with 10+ years of experience monitoring, troubleshooting, and supporting large-scale carrier-grade production networks across 3G, 4G, 5G, VoLTE, and IMS systems. Trained in cybersecurity operations, threat detection, incident response, log analysis, vulnerability assessment, ethical hacking, Windows Server administration, cloud infrastructure, and network security. Strong background investigating technical incidents, documenting findings, escalating critical issues, and supporting high-availability environments under pressure.

• Amazon Web Services
• Attention to detail
• CI/CD
• Communication
• GitHub
• Jira
• Kubernetes
• Leadership
• Linux
• Microsoft Azure
• Microsoft Excel
• Microsoft Outlook
• Microsoft Word
• Organization
• Problem solving
• Project management
• Python
• Requirements gathering
• Teamwork
• Time management

1. Customer Network Support Engineer

   Ericsson

   Jul 2016 to Mar 2023

   Ho Chi Minh City, Vietnam

   • Monitored network dashboards, alarms, and performance indicators to identify anomalies across 2G, 3G, 4G, VoLTE, and IMS systems. • Investigated service degradation, network events, and customer-impacting incidents by analyzing system behaviour and identifying possible root causes. • Documented incident findings, technical actions, escalation details, and resolution updates to support accurate reporting and handover. • Escalated critical issues through structured incident response workflows based on service impact, urgency, and operational risk. • Supported patching, upgrades, and vulnerability remediation by validating deployment readiness and completing post-implementation performance checks. • Conducted capacity and performance assessments to support availability, reliability, and continuity of production network services. • Applied security and access control concepts within IMS and vIMS environments, including configuration validation and hardening support. • Participated in 24/7 escalation support, responding to live incidents under pressure and supporting timely service restoration.

2. Senior Services Engineer – Integration Engineer

   Ericsson

   Nov 2008 to Jul 2016

   Ho Chi Minh City, Vietnam

   • Deployed, integrated, and tested Ericsson network nodes, including start-up, troubleshooting, and acceptance testing activities. • Supported cut-over and migration activities for MSC, HLR, MGW, UDC, and IMS nodes in native and cloud environments. • Performed software updates and upgrades for core switching systems to support stable and reliable network operations. • Resolved integration and migration issues by applying structured troubleshooting, network analysis, and technical problem-solving skills. • Communicated project status, risks, technical issues, and solutions to customers, Ericsson technical teams, and management staff.

1. Computek College

   Diploma, Computer Network Cyber Security Engineering

   Ontario, Canada

   2025 to 2026

   Grade: 98%

2. Posts and Telecommunications Institute of Technology

   Bachelor’s Degree, Telecommunications Engineering

   Ho Chi Minh City, Vietnam

   2003

• CompTIA Security+ ce Certification

  CompTIA

• Ericsson Certified Associate – Ericsson Cloud

  Ericsson

• Ericsson Certified Associate – Ericsson 5G Core

  Ericsson

• Ericsson Certified Associate – Ericsson IP Multimedia Subsystem

  Ericsson

• Ericsson Certified Associate – Ericsson IP Networking

  Ericsson

• Cisco Certified Network Associate

  Cisco

• Cloud Computing Connections – AWS Program

  ACCES Employment

• Verified International Academic Qualifications

  World Education Services