Nachanont Jaijamnong
Security Solutions Architect
Lam Luk Ka,13
Summary
Dynamic Security Solutions Architect with extensive experience at Thai Union Group, specializing in OT cybersecurity and infrastructure design. Proven track record in leading IEC 62443 assessments and delivering strategic projects on time. Skilled in network architecture and IT operations, with a strong focus on efficiency and team leadership.
Overview
14
14
years of professional experience
2
2
Languages
Work History
Security Solutions Architect (OT Cybersecurity)
Thai Union Gloup
05.2025 - Current
- Architected enterprise-wide OT-security designs (Purdue L0–L4), integrating OT firewalls, DPI/IDS, Privileged Access Management (PAM) jump hosts, and Identity & Access Management (IAM) controls.
- Led IEC 62443/NIST CSF assessments across multiple industrial sites, quantified cyber-safety gaps, and delivered a heatmap and roadmap endorsed by executive leadership.
- Improved solution efficiency by designing and implementing scalable architectures for OT cybersecurity landscape.
- Managed vendor selection, contract negotiation, and SLA oversight for OT firewalls, IDS, monitoring, PAM, and IAM solutions; delivered five strategic projects on time and within budget.
- Integrated real-time monitoring, PAM session recording, and IAM logs into the ITIL tool, CMDB, and Microsoft Sentinel, reaching full asset visibility and reducing incident triage time.
Manager-Network Architect
Pandora Productions
04.2018 - 04.2025
- Enterprise & Network Architecture – Define and govern reference architectures, technology roadmaps, and standards for LAN/WAN, SD-WAN, wireless, edge, and multi-cloud interconnects, ensuring alignment with the corporate EA blueprint and business capabilities.
- Data-Centre & Cloud Platforms – Plan, build, and operate facilities, covering rack layout, structured cabling, power, cooling, compute, storage, firewalls, and load balancers across on-prem, colocation, and IaaS environments, to meet RTO and RPO targets.
- IT Operations & Leadership – Responsible for proactive monitoring, incident response, change management, and root-cause analysis under ITIL v4.
- IT/OT Cybersecurity Design, Implementation, & Operation – Implement security-by-design network zoning (Purdue model), AAA controls, encrypted remote access, and industrial-protocol protections.
- AI-Driven Automation & Analytics – Lead the adoption of AI/ML tools for configuration management, compliance validation, predictive capacity planning, anomaly detection, and self-healing remediation.
- People, Project, and Cost Management – Direct a geographically distributed team of on-site and remote network/infrastructure engineers; build career paths, coach performance, and manage resource allocation. Oversee a portfolio of infrastructure projects from the business case through delivery, managing CAPEX and OPEX budgets, tracking variances, and delivering cost-optimization initiatives.
Technical Expert Enterprise Connectivity, Manager
NXP Semiconductors
10.2014 - 03.2018
- Lead global network operations and external service providers to ensure stable, scalable, and secure enterprise connectivity.
- Design and implement IT and OT network security architecture, including segmentation, access control, and monitoring aligned with industry standards.
- Manage and support network infrastructure across regions, overseeing capacity planning, bandwidth optimization, and performance tuning.
- Direct cross-functional projects involving network modernization, secure remote access, and ICS protection in manufacturing environments. • Define and maintain documentation for network standards, security design principles, and operational criteria to support compliance and audit readiness.
- Own incident response for complex network/security events, conducting root cause analysis and leading corrective action planning.
- Collaborate with vendors and internal stakeholders to align business requirements with secure, cost-effective network solutions.
- Approve network configurations, budgets, and implementation plans while ensuring security-by-design principles are embedded in every deployment.
Senior Network Project Planning
Amadeus IT Group
01.2013 - 09.2014
- Evaluated and implemented alternative technologies and architectures to meet evolving client requirements.
- Designed and led the rollout of critical network infrastructures at both strategic and operational levels.
- Conducted a detailed analysis and planning for network installation, cost optimization, and ongoing administration.
- Ensured SLA compliance and network performance through structured documentation, monitoring, and reporting metrics.
- Provided technical leadership to product development teams for new solution strategies and enhancements.
Network Lead Technical Specialist and Network
IBM Solution Delivery
03.2012 - 12.2012
- Define and shape enterprise architecture strategy, roadmaps, and design frameworks aligned with long-term business goals.
- Lead the development and governance of architecture principles, ensuring compliance with security standards such as NIST CSF, ISO 27001, and CIS Controls
- Drive end-to-end delivery of secure infrastructure—from initial vision through deployment and continuous optimization
- Oversee provisioning, configuration, and operations of global network infrastructure with a focus on high availability, security, and future readiness
- Guide architecture design for the retirement of legacy systems, integration of existing platforms, and implementation of modern technologies
- Provide strategic advisory to executive leadership, translating technology trends into actionable roadmaps
- Deliver Tier 3 escalation support and mentor engineering teams to drive operational excellence.
- Ensure infrastructure innovation through ongoing participation in R&D and architecture modernization initiatives.
Education
Bachelor of Science - Microbiology
Srinakharinwirot University
Bangkok 04.2001 -
Skills
Infrastructure
Network, Cloud
Cybersecurity
Operation Technology
IT Operation
Data Center Design
PMP, ITIL
Timeline
Security Solutions Architect (OT Cybersecurity)
Thai Union Gloup
05.2025 - Current
Manager-Network Architect
Pandora Productions
04.2018 - 04.2025
Technical Expert Enterprise Connectivity, Manager
NXP Semiconductors
10.2014 - 03.2018
Senior Network Project Planning
Amadeus IT Group
01.2013 - 09.2014
Network Lead Technical Specialist and Network
IBM Solution Delivery
03.2012 - 12.2012
Bachelor of Science - Microbiology
Srinakharinwirot University
04.2001 -