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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