Welcome to my portfolio

Arjun K S

System Administrator | Network & Cybersecurity (SOC) | Aspiring Developer

About Me

Crafting Digital Excellence

Hands-on experience in server management, network support, SOC alert triage, and foundational scripting with Python and JavaScript.

IT professional focused on system administration, enterprise networking, and Security Operations Center (SOC) workflows. I manage Windows and Linux servers, troubleshoot network issues, analyze security alerts, and document incidents. I'm also learning JavaScript and Python at a beginner level to automate routine tasks and build practical tools for IT operations.

Home : Kollam, Kerala | Working : Male, Maldives

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Years Experience

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Projects Done

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Technologies

Skills

Technical Expertise

Core competencies across infrastructure, security operations, and foundational development.

Windows Server

92%

AD, GPO, patching, user management, OU

Linux Administration

75%

Ubuntu/CentOS, services, shell basics, Kali Linux

Active Directory

85%

Users, groups, OU structure

VMware / Hyper-V

80%

VMWare Esxi 8.0.3 | VMWare Vcenter 8 | Windows Hyper-V 2022

Backup & Recovery

95%

Restore drills and retention policies

TCP/IP

95%

Subnetting, routing, troubleshooting

DNS & DHCP

90%

Resolution issues and scope management

Firewalls

85%

ACL rules, NAT, basic policy review, SD WAN

VPN

90%

Remote access and site-to-site basics

Wireshark

80%

Packet capture and traffic analysis

SIEM (Splunk / Sentinel One Datalake)

80%

Log ingestion and alert correlation

Incident Triage

90%

SOC L1 alert review and escalation

Threat Detection

90%

Malware, phishing, and IOC review

Vulnerability Management

85%

Scan results and remediation tracking

Security Fundamentals

90%

CIA triad, MITRE ATT&CK awareness

Python Automation / Web Backend Developer

65%

Scripts for logs, files, and automation , Web Server Backend using FastAPI

JavaScript Front End Developer

70%

Static Websites and Entry Level Web apps

Git & GitHub

75%

Version control for labs and projects

PowerShell

80%

Admin automation and task scheduling

Featured Project

SOC Alert Triage Dashboard

A lab project documenting SOC L1 workflows — alert classification, severity mapping, and escalation playbooks using SIEM-style log samples.

Sentinel One XDRVirus TotalPythonReact JsDockerNgnix

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Projects

Featured Work

Labs and practical work across security operations, infrastructure, and scripting.

Featured

SOC Alert Triage Dashboard

A lab project documenting SOC L1 workflows — alert classification, severity mapping, and escalation playbooks using SIEM-style log samples.

Sentinel One XDRVirus TotalPythonReact Js

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Enterprise Virtualization & Storage Modernization – Huawei OceanStor SAN and Backup Infrastructure Deployment

Designed and executed a large-scale infrastructure modernization project involving the migration of standalone VMware ESXi hosts to a centralized VMware vCenter environment backed by Huawei OceanStor all-flash storage. Implemented high-speed SAN networking, centralized storage management, and enterprise backup infrastructure with Huawei OceanStor NFS storage and Vinchin Backup, enabling zero-downtime migrations, improved performance, and enhanced disaster recovery capabilities.

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Featured

Enterprise Firewall & SD-WAN Transformation Project – FortiGate to Check Point Migration

Successfully led the migration of the enterprise network security infrastructure from FortiGate firewalls to Check Point Next-Generation Firewalls and Cloud SD-WAN across multiple resort properties. The project improved network resiliency, security posture, application performance, and centralized management while supporting hybrid WAN connectivity, secure remote access, and business-critical hospitality operations.

Check Point Quantum Security GatewayCheck Point Cloud SD-WANCheck Point Endpoint ManagementMPLS | Static WAN Links

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Experience