Seventeen years, six roles.

Lead head-office IT strategy across all branches and sites — annual planning, infrastructure (network · server · data center), applications, security, and digitalization. Set cloud and on-premise architecture standards. Budget owner and vendor manager. 24/7 availability is the baseline.

• →Initiated Odoo Community rollout and enterprise-grade ERP module development
• →Led SAP B1 ↔ internal ERP integration — seamless data flow, major efficiency gain
• →Delivered Accurate accounting implementation to modernize finance operations
• →Rolled out HRIS platform integration to streamline people operations
• →Holds full cybersecurity responsibility across the entire organization (HQ + sites) — security policy management and corporate compliance
• →Reports monthly KPIs to corporate management; owns IT department budget and strategic vendor partnerships

Subject Matter Expert across a 700+ server / device estate. Designed monitoring, observability, SIEM, virtualization, and automation. Contributed to the SOC's detection stack.

• →Designed monitoring/observability for 700+ servers & network devices — Prometheus, Grafana, Zabbix, with custom dashboards & alerts for proactive incident detection
• →Reduced system downtime 35% via automated monitoring and alerting
• →Built Graylog cluster integrated with ELK & Wazuh for org-wide SIEM — faster root cause analysis; centralized syslog from F5, Palo Alto, Cisco, FortiGate, Aruba WLC
• →Led New Relic APM rollout; designed a hybrid observability stack combining New Relic + open-source tooling
• →Automated configuration with Ansible + Python — 50% less manual work, fewer human errors
• →Migrated 600+ servers & branches to a new monitoring platform with zero downtime
• →Built Proxmox-based HA virtualization cluster + PostgreSQL High Availability
• →Strengthened security posture: server hardening, Wazuh SIEM/XDR, on-prem mail server for internal communication control
• →Initiated ISO 9001:2015 QMS adoption in the IT department — standardized processes, raised service quality
• →SOC contributions: SIEM development (Wazuh + Graylog + Grafana), PoCs on PICUS / Infection Monkey / Darktrace AI, Cybereason EDR integrated into Graylog cluster

Led IT strategy for the mining site — head-office + PIT network, data center, FMS wireless, firewalls, application development, and IoT. Also Coord. Committee & IT Coordinator for the Mining Cluster Improvement Program (MCIP) across 7 districts (≈59,239 Ha).

• →RTS geotechnic — sub-1-minute slope alerts via Leica + Node-RED + Telegram → ~IDR 2.4B net quality income
• →Smart Megatower zero-investment collaboration → ~IDR 1.4B cost saving (2019–2020)
• →Backcharge digitalization — automated BA generation, leadtime monitoring, alerting → avoided ~IDR 551M/month loss opportunity
• →26-channel Telegram alerting stack (productivity + safety) → avoided ~IDR 566M/month potential loss
• →High-capacity OFDM wireless — 300+ Mbps over 20+ km for real-time mining data; cut FMS networking opex 30%
• →Built 9 internal apps (HRGA Online, MID DRIVE/OCR/MIKAD/SIAP/DAICHE/KONTRAK, SOSIS) covering fleet, contracts, safety, and ops comms
• →Self-service fuel digitalization with FM LCR600 — realtime transactions, quota by HM/KM, Telegram alerts
• →Led solar-cell renewable energy project powering PIT wireless; deployed PH Meter Online and Smart Echo NCC datacenter monitoring

Supervised IT Infrastructure Engineers & Technicians at District PAMA-MTBU. FMS network + Auto Dispatch System, PIT wireless, data center, firewall, IoT, solar energy, monitoring, and innovation programs.

• →Awarded 1st Place SS + 2nd Place QCC-Teknik (MTBU Innovation Awards) and finalist at PAMA Innovation Awards
• →Boosted PIT FMS network performance via load balancing + mesh configuration — cut operational cost 30%, lifted real-time data achievement +25%, FMS optimization +5%
• →Pioneered IoT projects — Smart Mobile Towers, PH Meter, Smart-D systems, data center monitoring, and smart camp infrastructure
• →Solar panels powering PIT wireless networks — 10% energy cost reduction
• →Partnered with Telkomsel for GSM/4G coverage expansion to previously uncovered mining areas
• →Implemented network security with FortiGate Next-Generation Firewall — site-to-HO SDWAN, load balancing, secure VPN (VSAT → ASTINET dedicated); 30% reduction in potential security vulnerabilities
• →Data center site rejuvenation — recabling, rewiring, plus new SOP and documentation
• →Built monitoring platform with Cacti — custom reports for server and network
• →Shipped Pump Digital (digital timesheet) + clinic management mobile apps — +20% data accuracy

Led IT Infrastructure Engineers & Technicians for District PAMA-ADARO with full lifecycle data center infrastructure (design, install, maintain). Network, 3 data-center builds, FMS wireless, multi-site VoIP, large-scale WLAN / MPLS migrations, and renewable energy.

• →38 km WLAN install at 180 Mbps throughput — connected remote operations
• →Led MPLS migration (VSAT → MPLS → VPN/dedicated internet via ASTINET)
• →Implemented Cisco NAC and ASA 5500 integration with PT Adaro Energy (site owner)
• →Full management of Cisco Wireless Aironet (WLC + NCS); FortiGate firewall for secure branch tunnels
• →Implemented dynamic routing across WLAN with Cisco routers + load-balanced HA network
• →Built 3 data centers across separate operational & FMS sites — dual-source power failover, high-capacity UPS, PAC, server racks, raised floor, fire suppression
• →Rolled out Cisco VoIP across multi-site (CUCM + Cisco Router 2800)
• →Led HA wireless deployment in PIT mining — Cisco Mesh Aironet 1500 series + Mobile Tower
• →Solar-cell renewable energy implementation powering PIT wireless infrastructure
• →Awarded Site & HQ Champion + Gold Medal GKM-PMMI — Pamapersada Innovation Program

First role. Troubleshot PCs, peripherals and production-line networks. LAN, antivirus, backup, firewall. ISO 9001-compliant support processes.

• →Maintained production-line networks — minimized downtime
• →Standardized support processes to ISO 9001 requirements