THANAKON JINASRI
ธนากรณ์ จินะศรี
Sr. Network Engineer who happens to know a thing or two about Infrastructure, Security, and Automation.
ABOUT ME
THANAKON JINASRI
ธนากรณ์ จินะศรี — Senior Network Engineer
Senior Network Engineer with 9+ years of hands-on experience in enterprise infrastructure, automation, and security solutions. Driving high-impact network architecture across healthcare, higher education, and corporate sectors.
INSPECTOR PERFORMANCE
Comprehensive competency assessment and operational benchmarks for SR. Network Engineering
TECHNICAL COMPETENCIES
Core Infrastructure & Network Operations
PROFESSIONAL COMPETENCIES
Soft Skills & Execution Capability
PROFESSIONAL EXPERIENCE
Track record of network engineering roles, achievements, and industry certifications
Senior Network Engineer
Data farm Co., Ltd. (Northern Region)
- Project & Solution Design: Drove enterprise IT infrastructure strategy and project planning for hospitals and universities in Northern Thailand, creating technical solutions and TOR compliance evaluations for government procurement.
- Security & Endpoint Protection: Deployed CrowdStrike Falcon Endpoint Protection Platform across enterprise environments, enforcing EDR/XDR policies and real-time threat response.
- Security & Identity Stack: Migrated firewall stack from Palo Alto to Fortinet (FortiGate, FortiPAM, FortiSIEM, FortiWeb). Implemented identity platforms including ADFS, MIM, MS Entra Connect, Entra Application Proxy, MFA, Cisco Duo, and RSA SecurID.
- Application Delivery & Load Balancing: Architected and deployed high-availability Application Delivery Controllers (ADC) using F5 BIG-IP LTM and FortiADC to optimize application traffic, resilience, and security.
- Infrastructure & HCI: Architected hyper-converged infrastructure using HPE SimpliVity and Lenovo HCI. Managed VEEAM Backup with HPE StoreOnce and built Ansible automation for hybrid backup workflows.
- Preventive Maintenance: Authored comprehensive Preventive Maintenance (PM) documentation and system health check procedures.
Senior Network Engineer
Data Com Infinity Co., Ltd.
- Mandarin Oriental Bangkok Project: Upgraded core switching infrastructure to Cisco Catalyst 9407R chassis and replaced supervisor modules.
- Jim Thompson Project: Deployed Sophos RED devices across nationwide retail branches for secure site-to-site connectivity.
- Bridgestone Sale Thailand Project: Implemented 802.1X Machine Authentication and User Defined Network (UDN), integrating multi-domain Active Directory environments with Cisco ISE.
- TDCX Thailand Project: Executed core and access switch migration from Cisco C3K to C9K series, and deployed Cisco ISE.
- Gunkul Engineering Project: Replaced a Sophos Firewall hardware node within High Availability (HA) cluster with identical model.
INDUSTRY CERTIFICATIONS
Verified Technical Credentials & Professional Qualifications
KEY PROJECTS
Enterprise deliverables, self-hosted labs, and R&D initiatives — end-to-end ownership across the stack
Enterprise Campus Networking
Designed and deployed enterprise campus networking across core and access layers utilizing Cisco Catalyst 9407R and 9300 series switches alongside high-density Wi-Fi via Cisco WLC.
Zero-Trust Identity & Access Control
Implemented Zero-Trust access control across wired and wireless networks using Cisco ISE (802.1X, EAP-TLS/PEAP, Dynamic VLAN), SSO via SAML/OAuth through ADFS as well as Implemented Microsoft Entra ID and Cisco Duo MFA.
Multi-Vendor NGFW & SOC Integration
Designed and deployed High-Availability Next-Gen Firewalls across multi-vendor environments (Cisco, Fortinet, Palo Alto, Sophos), seamlessly integrating log pipelines into FortiSIEM and CrowdStrike for centralized threat visibility.
Hybrid Infra & Cloud Edge Security
Deployed enterprise On-Premise virtualization using Lenovo, HPE SimpliVity and VMware vSphere with Veeam Data Protection. Extended edge security to customer Cloud IaaS by deploying Cisco ASAv virtual firewalls for secure hybrid connectivity.
High-Availability Application Delivery
Engineered F5 BIG-IP LTM load balancers for highly available enterprise application delivery, configuring advanced SSL offloading, iRules traffic steering, and custom L7 health monitors.
Infra Automation & Remote Access
Developed Ansible playbooks to automate network configuration backups and NOC telemetry via Zabbix & Grafana. Managed secure remote access infrastructure supporting multi-site connectivity and remote workers using Cisco AnyConnect, FortiClient, GlobalProtect and Sophos RED.
Kubernetes Container Orchestration Lab
Self-hosted Kubernetes lab for container orchestration and application lifecycle management. Deployed Odoo ERP on a multi-node K8S cluster with Persistent Volumes, Ingress Controller, and Helm-based package management on Linux hosts.
AI Agent & Digital Employee Lab
Researched and built autonomous AI agents using open-access AI models (such as NVIDIA AI Foundation services) as digital employees for IT operations. Integrated workflow automation platforms (n8n/Flowise) and vector databases for automated documentation, RAG retrieval, and NOC assistance.
GET IN TOUCH
Available for Senior Network Engineer roles, infrastructure consulting, and technical collaboration
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