Khaeruddin Khaeruddin

Results-driven System & Network Administrator with over 14 years of hands-on experience in designing, virtualizing, securing, and maintaining enterprise-grade IT infrastructure, server clusters, and network topologies. Proven expertise in virtualized server environments (Proxmox, VMware ESXi, Docker), enterprise routing & switching (Cisco, Mikrotik, Juniper), network monitoring (Nagios, Cacti, Grafana, ELK), and cloud operations (AWS, GCP, Alibaba Cloud). Demonstrated track record managing high-availability telecom platforms, enterprise NOCs, and multi-site network re-architecting for public sector and healthcare organizations.

Possesses strong academic grounding as a Computer Engineering Lecturer.

IT Infrastructure & NOC Engineer (Freelance) at PT. KalTech Global Indonesia (2026-04 – Present)

• Manage Network Operations Center (NOC) server rooms, performing routine hardware health checks, link monitoring, and network troubleshooting.
• Execute system re-imaging, workstation deployment, and server/network device configuration across client environments in Malang and Pasuruan regions.
• Maintain high network availability and optimize server performance through proactive maintenance and rapid issue response.

System Operation & Infrastructure Support Engineer at PT. Exel Integrasi Solusindo (2020-10 – 2024-03)

• Managed system operation, daily monitoring, and log analysis for high-volume Telkomsel enterprise platforms (Telkomsel USSDGateway, iMenu, SnackVideo).
• Monitored system success rates, traffic metrics (TMAX reports), latency, and server health to ensure maximum uptime and SLA compliance.
• Diagnosed and resolved critical server and application-level bottlenecks in real-time within high-concurrency telecommunication infrastructure.

Permanent Lecturer – Data Communication & Computer Networks at Universitas Insan Budi Utomo (2025-12 – Present)

• Deliver university courses in Data Communications & Networking, Analog Electronics, and Electromagnetics.
• Lead institutional research initiatives on IoT-integrated OpenSCADA water management and emergency multi-hop LoRa wireless networks.

Adjunct Lecturer in System Administration & Networking at University of Muhammadiyah Malang (UMM) (2011-08 – 2024-06)

• Instructed undergraduate courses: System Administration, Network Security, Routing & Switching, Operating Systems, Cloud Computing, and Wireless Sensor Networks across Electrical Engineering, Informatics, and Vocational faculties.

System & Network Administrator at University of Muhammadiyah Malang - INFOKOM Division (2010-04 – 2015-12)

• Engineered and maintained core university network infrastructure connecting multiple campuses and thousands of concurrent users.
• Configured and managed enterprise switches, routers (Cisco/Mikrotik), firewalls, radius servers, web hosts, and bandwidth control systems.
• Deployed enterprise monitoring solutions (Nagios, Cacti) to ensure continuous uptime and seamless bandwidth allocation.

Systems & Virtualization Consultant / Freelance Administrator at Sury Mory Tech (2010-01 – Present)

• Ministry of Public Works (PUSAIR Bali): Re-architected intranet network using Mikrotik routers and established VMware ESXi virtualized server infrastructure (2019).
• BKAD Malang Regency: Redesigned district intranet topology, establishing secure multi-agency router connections to BKAD core server (2020–2021).
• RSUD Panglima Sebaya Hospital (Paser): Optimized hospital intranet network and configured DMZ isolation for SIMRS enterprise server (2020).
• Educational Institutions (Ar-Rohmah Campuses): Designed and deployed enterprise Hotspot networks, Mikrotik bandwidth management, and Wireless Point-to-Multipoint bridge networks (2020).
• Kartatopia Web Studio: Engineered VestaPanel multi-tenant web hosting server infrastructure for regional political campaign platforms (2020).

Master of Engineering (M.T.) in Electrical & Computer Engineering – Universitas Brawijaya, Malang (2015-01 – 2020-01)

Bachelor of Engineering (S.T.) in Electrical Engineering – Universitas Muhammadiyah Malang, Malang (2004-01 – 2009-01)