IT Manager, XPON Technologies, Vietnam and Australia
Responsibilities:
Assured all IT activities are performed and optimized within the parameters of applicable laws,
codes, frameworks and regulations (OKRs, ISO 27001:2013, ISO 27001:2022, GDPR).
Identified and measured key operational metrics, and established reports for monitoring
operating activities.
Designed and implemented the monitoring system that monitored and maintained systems and
applications.
Defined onboarding and offboarding processes and configured automation steps inside these
processes.
Planned, implemented and integrated Identity and Access Management (IDAM – OneLogin),
Infosec Compliance Management System (Vanta), Endpoint Detection and Response
(CrowdStrike) and Device Management solutions (Endpoint Central).
Managed projects and accounts in Google Cloud, Azure Active Directory, Microsoft O365 Admin
Center.
Performed DevOps tasks such as patching software, upgrading the platform, migrating data, and
editing CI/CD pipelines in AWS.
Planned and migrated data from legacy apps and systems to new ones.
Reviewed the Tech FY23 and FY24 budgets and planned to tighten the budget in FY24 and
FY25 and reported to CSTO.
Assessed and implemented controls and measures to mitigate the risks according to ISO 27001.
03/2020 – 01/2023
IT Manager, NTTDATA VDS, Hanoi
Responsibilities:
Built and implemented IT-related controls and domains in ISO 27001:2013, ISO27001:2022,
GDPR, TISAX.
Designed and implemented the monitoring system that monitored and managed infrastructure
network, server and applications.
Evaluating technology risks in order to develop disaster recovery plans and backup procedures.
Implemented and optimized ITSM tools to ensure compliance security in network and system
applicable to the ISO 27001, TISAX standard.
Managed IT operations by recruiting and training employees, communicating job expectations,monitoring performance, and optimizing the systems and processes following the ISO 9001 and
ITIL framework.
Overseeing the annual IT budget and ensuring cost-effectiveness.
Responsible for planning, coordinating and implementing SDWAN network with EMEA multi-site
network project, Endpoint Security project.
Managed AD, Azure Active Directory, Microsoft O365 Admin Center, researched and optimized
the built-in services.
Implemented GPO and NIST hardening best practices, migrated GPO to Intune.
Implemented ITSM, Network Operations Management solutions for complex situations to meet
goals and objectives (SLA, KPI).
Performed routine system and network audits.
09/2017 – 03/2020
IT Specialist, Tek Experts, Hanoi
Responsibilities:
Resolved internal IT issues (800+ users), and cooperated with Microsoft and MicroFocus
engineer teams to handle requests and incidents via the ticketing systems.
Maintained and operated systems and networks to ensure these ran smoothly and efficiently.
Managed Azure Active Directory, Microsoft O365 Admin Center, SCCM, Hyper-V, VMWare,
network and server infrastructure.
Implemented, periodically checked, and verified backup systems, failover tests, monitoring
system, and business continuity plan based on ISO27001 policies and procedures and PCI-DSS
standard requirements.
Identified problems and implemented strategic solutions in time.
Acted in alignment with user needs and system functionality to contribute to organizational policy.
Integrated systems to automate working procedures.
04/2014 – 09/2017
IT Team Leader, Lotte Data Communication Company, Hanoi
Responsibilities:
Managed team’s workflow and workload thereby assigning tasks to each member, leading the
team to complete the year’s goals.
Implemented network infrastructure and system of Lotte group companies.
Installed and managed virtualization (VMware and Hyper-V) products in Lotte Data Center.
Performed internal audit tasks that related to ISO27001.
06/2012 – 03/2014
IT Helpdesk, Tam Son International Company, Hanoi
Responsibilities:
Managed and operated network systems, server systems using Windows Server 2003 and 2008.
Configured and set schedule backup database using NAS RAID standards and Windows Backup
server.
Supported end users with software and hardware issues.
07/2009 – 05/2012
IT staff, VTN Interior and Construction Company, Hanoi
Responsibilities:
Implemented server and network system using Linux for reducing cost purposes.
Supported end users and provided training about OS, Office, peripherals, etc.
JOINED PROJECTS
11/2024 – 02/2025: Implement and get certificate for ISO27001 and PCI DSS at Kasha
https://kasha.io
07/2024 – 10/2024: Implement and get certificate for ISO27001 at Niteco https://niteco.com 11/2023 – 06/2024: Implement ApplicationManager (ManageEngine product) at BIDV
03/2022 – 12/2022: High availability Project for OpManager at ACB: Planned and implemented
project.
11/2021 – 12/2022: ITSM Project OpManager at BIDV: Planned and implemented project.
01/2022 – 12/2022: SDWAN Planning and implementing at Vietnam site for integration with
EMEA network – Planned, implemented aligned with cut-over plan in order to ensure network
business uptime.
02/2022 – 10/2022: Project Endpoint Security Solution at Vietnam site for integration with EMEA
system – Implemented at Vietnam site.
05/2020 – 12/2021: Project New Network infrastructure for NTTDATA VDS – Planned and
implemented project.
07/1021 – 11/2021: Upgraded ITSM AppicationManager at ACB: Implemented project.
03/2021 – 06/2021: ITSM ServiceDesk Plus at EVN Finance: Implemented project
07/2020: POC ITSM tool ApplicationManager at VNPT: Planned and implemented.
03/2020 – 07/2020: ITSM ApplicationManager at BIDV: Implemented project
03/2020: POC ITSM Tool Desktop Central at TPBank: Planned and implemented.
02/2018 – 12/2018: implement network infrastructure at TNR Tower, other systems (Azure Active
Directory and Multi-tenant apps registration, Service Desk ticketing system, Asset Management),
implement ITIL best practices, PCI DSS compliance, database backup – Technician: Configured
and set up devices.
2016 – 2018: Network services at Expo, study abroad seminar for Lotte Hotel: Planned and
implemented projects.
06/2014 – 09/2014: Lotte Hotel guest network (WLC, ~700 APs) – Technician: Configured and
set up devices.
06/2014 – 09/2014: Lotte Hotel system: migrated system from outside to Lotte Data Center, Lotte
Hotel SAP A1, Hotel Property Management system – OPERA, Point of Sales system ( ~25 POS
devices), ~16 servers (production servers, interfaces servers, database and report servers), NAS
backup – Technician Configured and set up devices.
03/2014 – 06/2014: Lotte Data Center (~20 routers, DDos, Load Balancing L4, Firewall) –
Technician: Configured and set up devices.
03/2014 – 09/2014: Network infrastructure at Lotte building (~250 switches / 69 floor( Cisco,
Allied Telesis)) – Technician: Configured and set up devices.
TECHNICAL EXPERIENCE
Deep understanding of ISO (ISO 9001, ISO 27001), PCI-DSS, TISAX standards and GDPR
regulation.
Strong knowledge of Cloud services such as Azure, AWS, Google cloud and integration to ITSM,
IDAM solutions.
ITIL and ITSM processes and best practices, Change management, Incident Management, and
Problem Management.
Applications and Software: Vanta, Drata, Microsoft O365, ManageEngine | Nagios | PRTG |
Zabbix monitoring system, SCCM, ManageEngine ServiceDesk Plus, Jira Service Management,
EventLogAnalyzer, Application Manager, OpManager, Nessus, Nmap, ServiceDesk of invGate
and ServiceNow …
Endpoint Detection and Response: CrowdStrike, Cortex XDR
Project Management Tools: Microsoft Project, Trello, Jira Software.
Programming and API testing: HTML, C, Python, Java, Postman
Software Deployment & Automation Tools: SCCM, Endpoint Central, Microsoft PowerShell,
Google Cloud shell.
Networking & Storage: MPLS & SDWAN network technology and architect, Network Device
Cisco & HP & Allied Telesis Router and Switch (L2, L3), SAN Storage Dell & HPE & IBM | NAS
Buffalo & Synology | Oracle Exadata.
Servers: Dell EMC PowerEdge, IBM X Series, HP ProLiant, HP Blade, Chassis…
Backup & Security: VEEAM Backup, Windows Server Backup, Symantec Backup Exec, Microsoft
ISA | Cisco ASA | Fortinet | Palo Alto firewall.
OS Platform: Windows Server, Linux (Ubuntu, CentOS, Red Hat Enterprise), Solaris.
Database: Oracle, MSSQL, MySQL, MongoDB, PostgreSQLEDUCATION AND TRAINING
Course Cisco Certified Network Associate at NetPro Academy Center
Major in Information Technology – Hanoi University Science and Technology
Internship Network Administrator at Industrial Vocational College Hanoi
PERSONAL SKILLS
Project Management
Communication
Time management
Prioritization
Customer-focus mindset
Training and mentoring
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