Infrastructure & Cybersecurity Engineer - BIG (Bangkok Industrial Gas)

Location: Bangkok
Salary: Negotiable
Job Type: Full Time
Work Type: Onsite
Education: Bachelor's Degree or Higher
Posted: 22/05/2026

Responsibilities

Job Summary

Infrastructure & Cybersecurity Engineer is responsible for supporting and maintaining IT infrastructure and cybersecurity operations to ensure system stability, availability, and security.

This role will work closely with the Infrastructure & Cybersecurity Lead to support daily operations, security monitoring, and security initiatives across the organization.

Key Responsibilities

🔹 Infrastructure Management

• Manage and maintain IT infrastructure, including servers (AD, DHCP, RDS and DNS), network, firewall, and cloud environments

• Support DMZ network design, implementation, and maintenance

• Perform system monitoring, troubleshooting, and issue resolution

• Support system upgrades, patching, and infrastructure improvements

• Ensure system availability and business continuity

🔹 Cybersecurity Operations

• Monitor and analyze security alerts using tools such as Delinea, SIEM and EDR/XDR

• Investigate security incidents and escalate critical issues appropriately

• Support implementation and maintenance of security controls (endpoint, firewall)

• Assist in log monitoring, correlation, and threat detection activities

🔹 Vulnerability & Patch Management

• Perform vulnerability scanning and follow up on remediation activities

• Plan and execute patching for Windows/Linux servers and infrastructure systems

• Ensure systems are up to date with security patches and best practices

🔹 Compliance, Audit & Security Awareness

• Support IT audit activities, including preparing evidence and tracking remediation

• Ensure compliance with IT policies and cybersecurity requirements

• Assist in organizing and delivering cybersecurity awareness training for all users.

• Help promote security best practices across the organization

• Support cybersecurity and infrastructure-related projects

🔹 User & Technical Support

• Provide technical support for infrastructure

• Troubleshoot issues and perform root cause analysis

• Support incident response and assist during major incidents

Qualifications

• Bachelor’s degree in computer science, IT, or related field

• 5–7 years of experience in IT Infrastructure and/or Cybersecurity

• Windows / Linux Server

• Networking & Firewall (including DMZ concepts)

• Security tools (SIEM, EDR/XDR, or similar)

• Cloud platforms (AWS / Azure or Private cloud)

• Strong troubleshooting and analytical skills

• Good understanding of network security, system hardening, and threat monitoring

• Ability to work independently and manage assigned tasks

• Experience working with vendors and external partners

• Good communication skills (Thai & English)

Relevant skills with will be preferred (Nice to have)

• Experience with SIEM log analysis and incident investigation

• Experience implementing DMZ or network segmentation

• Experience with security awareness training or user education

• Familiarity with IT audit / compliance requirements

• Experience with tools such as Cortex XDR, WAF, or email security platforms

Benefits

Provident Fund
Staff training and development
5-day work week
Social security
Health insurance
Accident Insurance
Employee's uniform
Annual trip or party
Performance/results-based bonus

About BIG (Bangkok Industrial Gas)

BIG is Generating a Cleaner Future with Hydrogen
Thailand Innovative Industrial Gas Solutions
Founded in 1987, Bangkok Industrial Gas Co., Ltd. (BIG), is a joint venture between Thai investors (led by Bangkok Bank) and Air Products and Chemicals Inc., a leading global Industrial Gas company having more than 80 years of experience in 50 countries worldwide. The company provides integrated industrial gas solutions with best-in-class safety and reliability, advanced delivery management systems, and innovative applications from a highly experienced international team. Our offerings cover a wide range of gases including oxygen, nitrogen, argon, hydrogen, carbon dioxide, helium, mixed gases, specialty gases as well as engineering design and services.

About Air Products

Air Products (NYSE:APD) is a world-leading Industrial Gases company in operation for over 80 years. The Company provides industrial gases and related equipment to dozens of industries, including refining, chemical, metals, electronics, manufacturing, and food and beverage. Air Products is also the world’s leading supplier of liquefied natural gas process technology and equipment.

The Company had fiscal 2020 sales of $8.9 billion from operations in 50 countries and has a current market capitalization of about $65 billion. Approximately 19,000+ passionate, talented and committed employees from diverse backgrounds are driven by Air Products’ higher purpose to create innovative solutions that benefit the environment, enhance sustainability and address the challenges facing customers, communities, and the world.

Accelerating the Energy Transition

By investing billions of dollars in low-carbon hydrogen projects, ฺBIG and Air Products aim to drive decarbonization of heavy transportation and industrial sectors that are hard to electrify. Zero-emission hydrogen fuel cell vehicles can decarbonize heavy modes of transport, like buses, trucks, ships, and more, while hydrogen can also provide lower-carbon-intensity power to heavy industrial sectors, like steelmaking and chemicals processing.

Moving H2umanity Forward with Hydrogen
To face its environmental challenges, the planet needs innovation and real investment. As the world’s largest hydrogen producer, BIG and Air Products are taking major steps to accelerate the energy transition.

For more information, please visit www.bigth.com | www.airproducts.com

1 Park Silom Tower, 24th Floor, Convent Road, Silom, Bangrak, Bangkok 10500

Human Resources & Administration Department

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http://www.bigth.com

Infrastructure & Cybersecurity EngineerBIG (Bangkok Industrial Gas)

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Infrastructure & Cybersecurity Engineer

BIG (Bangkok Industrial Gas)

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Bangkok

Full Time

Bachelor's Degree or Higher

Negotiable

5-7 Years

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