Assistant Manager Digital Infrastructure (Rayong Based) - NPI, Chemicals Business

atThe Siam Cement PCL


Key Role and Responsibilities

  • IT Infrastructure
  • Manage and improve IT infrastructure including networks, servers, virtualization, storage, databases, backup, and monitoring systems.
  • Manage LAN/WAN, VLAN, Wi-Fi, firewall, Windows/Linux Server, VMware, SQL Server, and related services.
  • Design and maintain on-premise infrastructure for Smart Factory, analytics, and local AI, including servers, GPU resources, containers, and data services.
  • Ensure infrastructure availability, performance, security, scalability, and disaster recovery.
  • OT Infrastructure
  • Manage and improve OT networks and connectivity for PLCs, HMIs, SCADA.
  • Design reliable machine connectivity and data acquisition using OPC UA/DA, Modbus, Profinet, TCP/IP, and Industrial Ethernet.
  • Enable manufacturing data for real-time monitoring, traceability, analytics, predictive maintenance, and process optimization.
  • Support edge computing and local AI deployment such as machine vision, anomaly detection, and intelligent monitoring.
  • Cybersecurity & Governance
  • Ensure secure and reliable integration between IT and OT environments.
  • Implement cybersecurity controls including network segmentation, firewall, access control, patching, vulnerability management, and backup/recovery.
  • Support cybersecurity risk assessment, incident response, root cause analysis, and remediation.
  • Maintain IT/OT standards, asset inventory, architecture, configurations, and lifecycle documentation across manufacturing sites.
  • Solution Design & Development
  • Work closely with shopfloor, engineering, and production teams to identify pain points, risks, and improvement opportunities.
  • Develop practical IT/OT, automation, data, and AI-enabled solutions that improve productivity, quality, cost, reliability, or safety.
  • Conduct solution design, feasibility study, PoC, and technology evaluation for new technologies and improvement initiatives.
  • Drive end-to-end solution delivery from technical specification and vendor evaluation through implementation, commissioning, handover, and standardization.


Qualifications

  • Bachelor's degree in Computer Engineering, Information Technology, Computer Science, Electrical Engineering, or related fields.
  • Minimum GPA of 2.70 for undergraduate and 3.30 for postgraduate studies
  • Good command of English (TOEIC score of 550 or higher)
  • 2-5 years of experience in IT/OT infrastructure, networking, systems administration, or cybersecurity.
  • Good knowledge of enterprise/industrial networking, including switching, routing, VLAN, firewall, Wi-Fi, VPN, NAT, and network troubleshooting.
  • Experience with Windows/Linux Server, VMware, backup systems, and infrastructure monitoring tools.
  • Experience in manufacturing environments with basic knowledge of PLC, SCADA, Modbus, OPC UA, and industrial networks is preferred.
  • Hands-on experience with Cisco, Aruba, Ruijie, MikroTik, or equivalent network platforms is preferred.
  • Basic knowledge of IT/OT cybersecurity, including access control, patching, vulnerability management, and network segmentation.
  • Familiarity with edge computing, on-premises infrastructure, or local AI environments is an advantage.
  • Able to travel to other sites as required for project implementation and technical support.
  • Must be able to work in Rayong.
Skills required
  • Electrical Engineering
  • Linux
  • VMware
  • English (Good)
Experience required
  • 2 years
Career level
  • Middle Level
Salary
  • 30,000 - 45,000 THB, Negotiable
Job function
  • Management
  • Engineering
Job type
  • Full-time

Company overview

Size:500-1000 employees
Industry:Chemical / Plastic / Paper
Location:Bangkok
Website:www.scg.com
Founded in:1913
Ranking:4.5/5

The Siam Cement Group (SCG) is one of the largest and oldest cement and building materials groups in Thailand and Southeast Asia. It was founded on 8 December 1913 in Bangkok by royal decree of King Rama VI.

  • Main business segments: Cement-Building Mate ...
Read more

Why join us:

Here at SCG, we believe our company's growth goes hand in hand with the sustainable development of society, providing a good environment for the next generation. Joining us means becoming part of an industry leader with a 50-year legacy anchored to excellence. We are committed to building a susta ...

Read more

Display map
WorkVenture gives you an inside look at what it's like to work at The Siam Cement PCL, office & team photos, reviews and more. This is the The Siam Cement PCL Company Page. All content is posted anonymously by employees currently or previously working at The Siam Cement PCL.Apply to True IndustryApply to Ampol FoodApply to the great roomApply to Baania