Sushin K

Information Security Software Engineer

Professional Summary

Results-driven Information Security Software Engineer with over 6+ years of experience developing and testing high-demand security software. Specialized in software development, system design, cybersecurity, and backend/API development with a proven track record of delivering scalable, secure solutions.

Expert in building automated security testing pipelines, configuring enterprise-grade network protection services, and implementing DDoS mitigation strategies. Passionate about leveraging cutting-edge technologies to protect critical infrastructure and enhance organizational security postures.

Expert in Rust, Python, JavaScript/TypeScript, C/C++
Cloud Security & Infrastructure (AWS, GCP)
Database Design (PostgreSQL, MongoDB, Scylla DB)
API Development (REST, GraphQL, WebSockets)
Network Security (IDS, IPS, Firewalls, DDoS)
AI/ML Integration & Prompt Engineering

Professional Experience

Information Security Software Engineer

Lumen Technologies • Bengaluru, India

Dec 2020 - Present (4y 6m)
  • Developed automated security testing pipeline using Django, reducing testing time by 65% and enhancing test coverage across all network protection services
  • Configured and deployed Network Protection Services and GRE tunnels, achieving 98% customer satisfaction rate with zero critical security incidents
  • Performed comprehensive network security verification using internal tools, configured Nokia/Juniper routers for high-availability security services
  • Implemented Fortinet Firewall configurations and Arbor DDoS protection devices for 100+ enterprise clients, ensuring efficient service delivery and threat mitigation
  • Led security audit initiatives identifying and remediating critical vulnerabilities, improving overall security posture by 40%

Network Engineer - Python Automation

Tejas Networks • Bengaluru, India

Jan 2019 - Dec 2020 (1y 11m)
  • Automated network operations with Python scripts, streamlining processes and reducing manual intervention time by 85%
  • Delivered 400+ Root Cause Analyses (RCA) and Plans of Action (POA), achieving 95% customer satisfaction through thorough investigation and resolution
  • Conducted security testing of network devices in lab environments, reproduced and documented bugs for development team resolution
  • Supported customer activation calls and provided technical troubleshooting for network security implementations

Featured Projects

Network Audit Tool

Lumen Technologies

Comprehensive network assessment platform with automated device discovery, configuration analysis, and compliance reporting through an interactive web dashboard. Reduced audit time by 70%.

Python Django PostgreSQL Linux HTML/CSS

DDoS Build & Activation Tool

Lumen Technologies

Real-time DDoS mitigation platform integrating with Arbor APS and network routers for instant threat response. Automated customer activation reducing deployment time from hours to minutes.

Python Django Arbor APS Nokia/Juniper

Command & Control Server (anglerC2)

Personal Project

Advanced C2 framework built for security research and penetration testing operations. Features encrypted communications, modular architecture, and comprehensive agent management.

Python PostgreSQL Nginx Django
View on GitHub →

MemErase

Personal Project

Deep memory erasure tool for secure data sanitization at the hardware level. Ensures complete wipe of sensitive data from RAM and system caches to prevent forensic recovery.

C++ Memory Management Low-level Programming
View on GitHub →

Network Automation Suite

Tejas Networks

Automated configuration and management system for networking tools, enhancing operational efficiency and reducing human error in device provisioning and monitoring.

Python RedHat Linux Proxmox Network Automation

Authentication & Payment System

Personal Project

Full-stack authentication and payment processing system with JWT-based auth, Stripe integration, and secure API endpoints. Scalable architecture supporting thousands of concurrent users.

Django Next.js Stripe API FastAPI
View on GitHub →

Technical Skills

Programming Languages

Rust Python JavaScript/TypeScript C/C++ Bash PowerShell

Frameworks & Libraries

Django Flask Next.js React/React Native Node.js Electron Tailwind CSS Apollo GraphQL

Databases

PostgreSQL MySQL MongoDB Scylla DB Cassandra

Cybersecurity Tools

Burp Suite OWASP ZAP Wireshark Metasploit Nmap Fortinet Arbor APS

Cloud & DevOps

AWS Google Cloud Docker Kubernetes Jenkins GitHub Actions Terraform

Security Domains

IDS/IPS Firewall Configuration DDoS Mitigation API Security Cloud Security SIEM Penetration Testing

Education & Certifications

Bachelor of Engineering - Electronics & Communication

Anna University, Chennai, India

2012 - 2016

Higher Secondary Education - Computer Science

Kerala State Board

2012

Certifications

Certified Ethical Hacker (CEH) v11

EC-Council

2021 - 2022

CCNA & CCNP R&S and Security

Networkers Home

2019

Certified English Professional

Cambridge English Academy

2024

Certified Embedded C Programming Professional

Emertex

2017 - 2018