Rangga Ananda S

Base on kanwil Balikpapan

Membangun infrastruktur network kantor menengah dengan multi vendor mikrotik, ruijiee, omada TP-LINK, dan TP-LINK

Network Troubleshooting, Network security, VPN, PPPoE client, dan Network infrastruktur

Memahami cara pantesting web dengan mencari kerentanan
Memahami ideologi bug hunting
Mempelajari Bagaimana sebuah system berkembang

Delivered freelance IT support services for clients, ensuring smooth IT operations.

Provided troubleshooting for hardware, software, and networking issues.

Assisted in system maintenance, ticket handling, and user support.

Monitored company-wide IT network performance and security across branches.

Utilized Grafana dashboards to monitor and analyze PC performance metrics nationwide.

Managed Red Hat Identity Management (IDM) for account services including password reset, access control, and user provisioning.

Handled incident response and troubleshooting to maintain system uptime.

Supported CCTV and IP monitori

Worked as Penetration Tester at gpmnetwork.

Worked as Junior Security Analyst at CyberWarLab.

Participated in intensive cybersecurity bootcamp focusing on penetration testing and bug hunting.

Gained hands-on experience in red teaming, vulnerability assessment, and exploit development.

Collaborated with peers to solve Capture The Flag (CTF) challenges and real-world scenarios.

Designed and participated in Capture the Flag (CTF) challenges focusing on cybersecurity, penetration testing, and digital forensics.

Developed problem scenarios to test real-world attack and defense skills.

Collaborated with other cybersecurity enthusiasts in designing red team and blue team simulations.
Gained hands-on practice with exploit development and security toolchains.

Participated in Capture the Flag (CTF) competitions focusing on network exploitation and defense.
Gained practical experience in red teaming, blue teaming, and ethical hacking methodologies.
Worked with security tools such as Metasploit, Wireshark, Nmap, and Nessus.

Delivered IT hardware and software support for enterprise users.

Managed endpoint devices, system installation, and troubleshooting.

Ensured smooth operation of office IT infrastructure and end-user services.

Collaborated with vendors to resolve escalated technical issues.

Installed and set up PCs and networks for business operations.

Troubleshot and repaired PCs and network connectivity issues.

Conducted pre-opening equipment checks to ensure smooth daily operations.

Configured karaoke applications and mixer systems for entertainment services.

Installed and configured CCTV systems, PCs, and networks for corporate and client environments.

Performed PC and network troubleshooting to maintain IT operations.

Conducted site surveys to plan IT infrastructure deployment.

Configured data center servers for CCTV operations, including regular backup routines.

Implemented and maintained configurations on Mikrotik, Ubiquity, Ruijie Wireless, Te

Created technical reports and documentation for IT equipment.

Performed maintenance and repair of printers and PCs.

Installed and configured PCs, networks, and security systems.

Conducted network setup and maintenance to support daily operations.

Assisted in troubleshooting and maintaining IT infrastructure for business use.

Transferred from Universitas Mulia after completing 5 semesters.

Continuing studies in Informatics/Computer Science, with a focus on advanced IT and Cybersecurity.

Aim to combine practical industry experience with formal academic training to strengthen technical and research skills.

May 2025 · Expires Jun 2028

May 2025 · Expires May 2028

Vocational major in Computer and Network Engineering (TKJ).

Final competency exam (UKK) focused on Mikrotik routing and firewall configuration using the following topology:

2 Mikrotik routers, 1 server, and 1 client.

Configured the server as a firewall with access rules for PCs.

Configured the client as a WiFi station to connect to the public network.

Strengthened skills in network topology d

May 2025 · Expires May 2028

Aug 2025

Nov 2025

Nov 2025

May 2025 · Expires May 2028

Nov 2025

May 2025 · Expires May 2028

Nov 2025

Completed coursework up to Semester 5 in Information Systems Management.

Focused on subjects such as Software Design, UI/UX, and IT Project Management.

Developed strong academic foundation before transferring to Asia Cyber University.

Jul 2026 · Expires Jul 2029

May 2026 · Expires May 2029

Jun 2026 · Expires May 2029

Jul 2026 · Expires Jul 2029