// personal_info
const name = "Zaenal Akhmad Rifai";
const title = "Senior IT Infrastructure & Big Data Engineer";
email: togatta.fudo@gmail.com
phone: +62 858-833-0332-0
location: Karawang
linkedin: linkedin.com/in/zaenal-akhmad-rifai-59516ba8
// bio
"Senior IT Engineer with 10+ years building and operating large-scale infrastructure at Smartfren and Detik.com — from Hadoop clusters and Kubernetes to CI/CD pipelines and data centre operations. Founder of Doctor Web, delivering cloud infrastructure and a commercial POS product. AWS, Azure, ArangoDB, Ubiquiti, and TP-Link certified."
📄 skills.js
const skills = ["AWS", "Azure", "Docker", "Kubernetes", "Rancher", "OpenStack", "Jenkins CI/CD", "Hadoop", "HDFS", "Ambari", "Hive", "YARN", "Apache Solr", "ELK Stack", "Flume", "Rapidminer", "Linux", "Proxmox", "Nginx", "Apache", "Tomcat", "IPTables", "Zimbra", "LVS", "Zabbix", "Observium", "Nagios", "TP-Link Omada", "Ubiquiti UniFi", "OPNSense", "D-Link", "ZAP Proxy", "Penetration Testing", "MySQL", "PostgreSQL", "ArangoDB", "Bash", "Python", "Ansible"];
📄 experience.js
const experience = [
{
}
title: "Founder · IT Consultant & Product Developer",
company: "Doctor Web",
period: "Feb 2025 – Present",
notes: "Founded Doctor Web, an IT solutions company in Karawang offering cloud infrastructure, server setup, cybersecurity, and digital product development. Built and launched Laris, a browser-based POS system for Indonesian SMEs with offline-first sync, multi-outlet management, QRIS payments, thermal printer integration, and enterprise-grade security. Delivered freelance server setup for TGShop, SuperFrezz, Mallgue, and Super Project. Earned 5 IT certifications."
{
}
title: "IT Infrastructure Engineer (Freelance)",
company: "ITM Indonesia",
period: "Nov 2023 – Feb 2025",
notes: "Managed Proxmox virtualization platform hosting 40 VMs; administered Zimbra mail server for 1 enterprise client (200 users). Maintained infrastructure visibility with Zabbix and Observium. Administered Apache, Nginx, MySQL, and PostgreSQL servers. Operated data centre facilities and configured OPNSense proxy/firewall."
{
}
title: "Senior System Operations Engineer",
company: "Smartfren",
period: "Oct 2020 – Nov 2023",
notes: "Deployed and maintained a 230-node Hadoop cluster via Ambari; set up MySQL, PostgreSQL, and NFS storage. Built ELK Stack monitoring platform for 240 VMs. Implemented fully automated CI/CD with Jenkins and Ansible for 2 teams across 5 pipelines. Conducted penetration testing with ZAP Proxy and load testing with Locust."
{
}
title: "Big Data System Engineer",
company: "Datasynthesis",
period: "Mar 2019 – Feb 2020",
notes: "Installed end-to-end Hadoop ecosystem using Ambari. Managed HDFS data operations including backup/restore and ACL governance. Automated operational tasks with Jenkins; monitored with ELK Stack. Authored customer-facing installation documentation."
{
}
title: "Big Data System Engineer",
company: "Neviim",
period: "Nov 2018 – Mar 2019",
notes: "Deployed Hadoop cluster using Ambari and managed HDFS data lifecycle (backup/restore, ACLs) in a short-term project engagement."
{
}
title: "System Administrator",
company: "Detik.com",
period: "Jul 2015 – Nov 2018",
notes: "Installed and managed a 26-node Hadoop cluster (18 production, 4 staging, 4 dev) alongside MySQL/PostgreSQL databases and Apache Flume pipelines across 30 data centre servers. Implemented LVS for high-availability NameNode and ResourceManager failover. Monitored with Nagios, performed data centre hardware maintenance."
{
}
title: "Cloud Support Engineer",
company: "CBN Cloud",
period: "Jul 2014 – Jul 2015",
notes: "Provisioned and configured OpenStack cloud instances and cPanel environments. Diagnosed and resolved technical support issues; managed email deliverability and anti-spam systems."
{
}
];title: "IT Staff",
company: "Artikulpi",
period: "Mar 2013 – Jan 2014",
notes: "Configured network infrastructure, delivered end-user training, produced technical documentation. Performed QA testing and bug reporting; produced user manuals."
📄 education.js
const education = [
{
}
];degree: "Bachelor of Informatics Engineering (Teknik Informatika)",
institution: "STT-PLN Jakarta",
period: "2008 – 2013"
// EOF