Network Security Specialist

PTG Energy Public Company Limited (Bangkok)

Bangkok

Bangkok, Thailand

Over 20 years ago, on March 21, 1988, we started as Paktai Chueplerng Company Limited. Our mission was to operate tank farms and distribute gas for the community, the fishing industry and factories, starting from the south of Thailand. Later, the name was changed to PTG Energy Public Company Limited and our business shifted to provide high quality ready-made gas under the brand PT. From two tank farms, Chumporn Tank Farm in Chumporn Province and Mae Klong Tank Farm in Samut Songkhram Province. We expanded our tank farms to eight locations and more than 700 gas stations around the country.

About this position

The Network Security Specialist is responsible for designing, implementing, and maintaining network infrastructure while ensuring optimal performance and security compliance.

Responsibilities

• Design, implement, and maintain network infrastructure, including LAN/WAN/SDWAN, data center networking, firewalls, VPNs (Site-to-Site and SSL), aruba wireless systems, and cloud firewalls (AWS, Azure) and DNSSec.
• Monitor and configure network and security operations, ensuring optimal performance and compliance.
• Troubleshoot, investigate, and resolve incidents while sharing knowledge with the team.
• Conduct vulnerability assessments and implement mitigation strategies.
• Prepare and maintain updated documentation, diagrams, and monthly performance reports for analysis.
• Collaborate with IT and development teams to integrate security measures into cloud environments.
• Stay updated on trends and best practices in network and cloud security.
• Provide user training on secure network and VPN practices.
• Manage and implement network infrastructure projects.
• Support IT and business projects, performing additional tasks as assigned.

Requirements

• Bachelor degree or higher in Computer Science or related filed.
• There are 5-8 years, Experience in Network skills.
• Able to do network design, evaluation, POC, implementation.
• Self-Motivation and Hard Working.
• Able to work some time on night and weekend by job duties.
• Able to troubleshooting related to network problem & connecting equipment.
• Willing to self-study for network knowledge and learn new knowledge from team.
• Good communication, interpersonal, problem-solving, presentation, and negotiation skill.