IT Infrastructure and Operations Manager TH

WERE HIRING FOR AN IT INFRASTRUCTURE AND OPERATIONS MANAGER AT THAILAND!

Excis is a global IT support leader globally driven by innovation and collaboration. Were looking for proactive IT Infrastructure & Operations Manager to lead our IT team ensure the reliability and security of all systems and maintain a clear operational roadmap for upgrades renewals and maintenance. This role combines hands-on technical capability with strong planning coordination and leadership to keep all services up-to-date compliant and continuously available.. Join us for a rewarding career in a supportive family-like environment where youll look forward to coming to work every day.

Client in 190 countries

6000 Engineers

200 Enterprise Clients

We foster an open friendly and supportive growth-oriented culture where individual achievements fuel team success. From solving complex IT challenges to celebrating wins together we put our people first.

Start your journey with Excis and grow with us!

What Youll Do:

• Infrastructure & System Management: Oversee core IT services including Mailcow/Email Infrastructure Keycloak/Identity & Access Management Debian/Linux servers Proxmox Virtualization Clusters ticket/helpdesk management and stakeholder communication; ensure OS/application/security updates monitor performance/uptime/capacity/storage implement backup/failover/disaster recovery and maintain asset inventory/documentation/network maps/runbooks.
  
• Security & Compliance: Maintain SSL/TLS certificates/domains/renewals with forward-looking calendar; configure firewalls/access controls/network segmentation; monitor vulnerabilities apply security patches enforce security policies/password standards/least-privilege access.
  
• Planning & Operational Governance: Create Maintenance & Renewal Calendar for SSLs/licenses/domains/support contracts/updates; proactively communicate changes/risks/downtime; build SOPs/lifecycle plans; assess capacity and recommend scaling/modernization.
  
• Team Leadership & Management: Manage IT support/engineering team assign tasks/track performance; conduct weekly check-ins/progress reports to leadership; develop incident response/escalation paths; coach/upskill team members and promote responsibility/documentation culture.
  
• Networking & Cloud Architecture: Optimize networking (routing/VLANs/VPN/DNS/load balancing/firewalls including FortiGate); support cloud/hybrid architectures with cloud backups; evaluate/implement scalability/resilience/security best practices.
  

• Required Experience: 37 years in IT infrastructure systems administration or operations; strong experience with Linux (Debian) and virtualization (Proxmox); solid understanding of networking (TCP/IP VLANs routing DHCP DNS VPN NAT firewalls); experience managing identity systems (Keycloak LDAP SSO MFA) and email platforms (Mailcow or similar); proven ability to plan/schedule/track maintenance/renewals; strong troubleshooting documentation and communication skills; fluency in English
  
• Leadership Skills: Leadership experience including task delegation project oversight team coordination.
  
• Preferred Technical Skills: Experience with FortiGate/enterprise firewalls; familiarity with cloud platforms (AWS Azure GCP OVH); knowledge of DevOps pipelines monitoring tools (Prometheus Grafana Zabbix); experience in MSP/data center/high-availability environments; understanding of ISO 27001/security frameworks.
  
• Soft Skills: Proactive organized deadline-driven; strong ownership/accountability; ability to translate technical issues into clear business updates.
  
• Incident Management: Calm under pressure during incidents/outages; forward planner who prevents issues.
  

Why Join Us: