Arjun

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.

Arjun K S

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

0+

Years Experience

0+

Projects Done

0+

Technologies

Skills

Technical Expertise

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

Windows Server

85%

AD, GPO, patching, user management

Linux Administration

78%

Ubuntu/CentOS, services, shell basics

Active Directory

82%

Users, groups, OU structure

VMware / Hyper-V

75%

Virtual machine provisioning & snapshots

Backup & Recovery

80%

Restore drills and retention policies

TCP/IP

88%

Subnetting, routing, troubleshooting

DNS & DHCP

85%

Resolution issues and scope management

Firewalls

72%

ACL rules, NAT, basic policy review

VPN

70%

Remote access and site-to-site basics

Wireshark

65%

Packet capture and traffic analysis

SIEM (Splunk / Sentinel One Datalake)

75%

Log ingestion and alert correlation

Incident Triage

80%

SOC L1 alert review and escalation

Threat Detection

72%

Malware, phishing, and IOC review

Vulnerability Management

68%

Scan results and remediation tracking

Security Fundamentals

78%

CIA triad, MITRE ATT&CK awareness

Python Automation / Web Backend Developer

55%

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

JavaScript Front End Developer

50%

Static Websites and Entry Level Web apps

Git & GitHub

60%

Version control for labs and projects

Bash / PowerShell

70%

Admin automation and task scheduling

SOC Alert Triage Dashboard

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

Projects

Featured Work

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

SOC Alert Triage DashboardFeatured

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
Home Network LabFeatured

Home Network Lab

Virtualized network lab with segmented VLANs, firewall rules, DNS/DHCP services, and documented troubleshooting runbooks.

pfSenseVLANDNSDHCP
Python Log Parser

Python Log Parser

Beginner Python script that reads server log files, filters error lines, and exports a daily summary report for sysadmins.

PythonRegexCSV
IT Tools Web Page (JavaScript)

IT Tools Web Page (JavaScript)

Beginner JavaScript project — a single-page utility with subnet calculator, password strength checker, and uptime notes widget.

JavaScriptHTMLCSS

Experience

Professional Journey

Building impactful solutions across diverse industries and teams.

Junior SOC Analyst / System Support

Current

SecureNet IT Services

August 1, 2023 Present

Bangalore, India

Monitor security alerts in a 24/7 SOC environment while supporting server and network tickets for internal clients.

  • Triaged 50+ daily SIEM alerts with documented escalation paths
  • Assisted with Windows/Linux patch cycles and server health checks
  • Supported VLAN and firewall change requests with change management
  • Created runbooks for recurring alert types (brute force, malware beaconing)
SplunkWindows ServerActive DirectorypfSensePython

IT Support / Network Technician

TechSupport Solutions

January 1, 2022 July 31, 2023

Bangalore, India

Provided L1/L2 support for desktops, servers, and office network infrastructure.

  • Resolved DNS, DHCP, and VPN connectivity issues for remote users
  • Managed user accounts and permissions in Active Directory
  • Performed server backups and participated in restore testing
  • Maintained asset inventory and documentation
Windows ServerCiscoTCP/IPPowerShellServiceNow

Certifications

Credentials & Achievements

Industry-recognized certifications validating technical expertise.

CompTIA Security+

CompTIA

June 15, 2024

ID: COMPTIA-SEC-XXXX

Verify

Contact

Let's Work Together

Have a project in mind? I'd love to hear from you.