IT Infrastructure and Operations Manager TH

WE'RE HIRING FOR AN IT INFRASTRUCTURE AND OPERATIONS MANAGER AT THAILAND

Excis is a global IT support leader globally, driven by innovation and collaboration. We're 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 you'll 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 You'll 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.
  

What You Need:

• Required Experience: 3–7+ 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?:

At Excis, your work matters. You'll be part of a dynamic, hands-on team where your technical expertise directly enhances user satisfaction and operational success. We offer a supportive environment that encourages professional growth, continuous learning, and collaboration across diverse technologies. Enjoy competitive compensation and the chance to contribute to a global IT leader that values innovation and excellence.

Ready to make a difference and grow your career? Apply now to join Excis in Thailand and be at the forefront of IT support excellence

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