Information Service and Consultant Co., Ltd.

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Jul 28, 2025

Senior Network and Security Engineer

Location

SRT Chatuchak

Salary

50,000 - 70,000 THB

Vacancies

Online Interview

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Job Descriptions

- Deploy and configure network and security solutions using Fortinet (Firewall, VPN, HA) and Aruba (Switching, Wireless, ClearPass) - Work with project managers and clients to gather requirements, plan implementations, and deliver solutions - Produce technical documentation including HLD (High-Level Design), LLD (Low-Level Design), and implementation guides - Lead technical troubleshooting and issue resolution for complex network/security incidents - Provide coaching and guidance to junior engineers within the team - Ensure best practices in system hardening, access control, and network segmentation are followed

Qualifications

Male or Female, Bachelor or Master degree in Engineering, Computer Science or a related fields.
Minimum 4 years of hands-on experience in network and security implementation
Strong Knowledge in TCP/IP model, IP Routing
Strong hands-on knowledge of Fortinet (especially with NSE4/NSE5 level skillsets or above)
Solid experience with Aruba Networks – especially ClearPass, switching (OS-CX/AOS), and wireless solutions
Familiar with VLANs, ACLs, 802.1X, IPsec/SSL VPNs, HA, and routing protocols
Experience working in project-based environments with documentation and delivery deadlines
Strong problem-solving and communication skills
Ability to lead or mentor junior engineers
Certifications such as NSE4, NSE5, ACMP, CCNP, or CISSP are a plus