→ establishing tunnel · cloudflared→ loading network map · 34 nodes→ tailing /var/log/disclosures→ ready.
ICT Manager · Infrastructure & Security · 17+ years

Quiet infrastructure,
louder disclosures.

I'm Irfan Haris — ICT Manager & Infrastructure / Security Engineer based in Sidoarjo. Seventeen years across mining-site networks, enterprise observability, SIEM, and ERP — building and defending infrastructure for Indonesian industry.

Read the writing → View experience
17 yrs · ICT infrastructure & security 700+ servers · monitoring & SIEM based in Sidoarjo, GMT+7
§ 01

Writing.

Field notes from consulting and the homelab — security, infra, tutorials.

 § 02

Portfolio.

Eight engagements — SIEM, geotechnic IoT, MPLS migration, ERP integration.

 § 03

Gallery.

A quiet visual log — racks, dashboards, sites, and integration diagrams.

 § 04

Shop.

Field notebooks, ebooks, and the homelab manual — made in Indonesia.

 § 05

Services.

Security assessment, ICT infrastructure, BI, and technical training.

 § 06

Experience.

Seventeen years across mining-site ICT, monitoring & SIEM, and management.