08/30/2026 updated

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Security Automation Engineer | Microsoft Sentinel | Defender XDR | Go

New Delhi, India
Worldwide
B.Tech in Information Technology
New Delhi, India
Worldwide
B.Tech in Information Technology

Profile attachments

Abhijeet's Resume.pdf

About me

Cybersecurity & DevOps professional specializing in security operations, incident response, Linux, monitoring, automation, and infrastructure security, helping businesses build secure, reliable, and well-monitored systems.

Incident ResponseLog AnalysisBlue Team (Cyber Security)
Security Operations & Detection Engineering
Expertise in incident response, alert triage, threat investigation, threat hunting, log analysis, security monitoring, and detection engineering using Microsoft Sentinel (SIEM/SOAR), Kusto Query Language (KQL), and advanced hunting techniques.

Security Automation & Development
Proficiency in Go, Python, PowerShell, Bash, and SQL for building security automation solutions, playbook development, workflow automation, REST API integrations, and security tooling.

Microsoft Security Ecosystem
Hands-on experience with Microsoft Defender XDR, Defender for Endpoint, Defender for Office 365, Defender for Identity, Defender for Cloud Apps, Microsoft Intune, Entra ID Protection, and Cross-Platform Device Management.

Platform Engineering & Infrastructure
Knowledge of Docker, Linux (Ubuntu, RHEL), Windows Server, Git, CI/CD pipelines, Grafana, service orchestration, and system design for building and maintaining security-focused infrastructure.

Networking & Security Fundamentals
Understanding of TCP/IP, DNS, DHCP, VPN, IDS/IPS, and OSINT as foundational networking and security concepts applied in security operations and threat analysis.

Incident Response Orchestration
Experience building modular incident response orchestration frameworks such as SentinelMesh, implementing automated triage logic, YAML-defined response workflows, and structured audit trails for distributed environments.

Vulnerability Assessment & Compliance
Participation in vulnerability assessments, remediation recommendations, and compliance visibility initiatives including contributing to improving Microsoft Secure Score.

Web & AI Development
Development of conversational AI assistants using TypeScript, Svelte, JavaScript, CSS, and LLM API integration, including streaming chat interfaces and modular frontend architectures.

Experience

Professional experience0 - 5 years
Freelancer since2024

Languages

EnglishFluentHindiNative speaker

Project history

Co-Founder & Security Consultant (Part-Time)

SurakshaCloud
Co-founded an early-stage technology consulting startup providing cybersecurity, cloud infrastructure, web development, and SEO solutions for small businesses. Contributed to defining service offerings, technical strategy, website development, and client-facing solutions. Built and managed the company website, service documentation, and technical proposals. Assisted with client requirements analysis, solution planning, and delivery of web and digital growth solutions. Supported cybersecurity consulting initiatives and security-focused recommendations.

Developer (Personal Project)

Project Vigilant
Building a Go-based security operations orchestration platform to simplify deployment, management, and monitoring of security controls. Implemented extension lifecycle orchestration, state management, event logging, and a real-time terminal dashboard using Bubble Tea and SQLite. Designed a modular runtime architecture to support security tooling integrations, automation workflows, and compliance-oriented operational visibility.

Developer (Personal Project)

SOC Investigation Reports
Portfolio of technical investigations written from a SOC analyst perspective, available as a pinned project on GitHub.

Developer (Personal Project)

AI Customer Support Chatbot
Built a conversational AI assistant with a focus on fast and responsive user interactions using TypeScript, Svelte, JavaScript, CSS, and LLM API Integration. Developed a streaming chat interface for real-time response rendering. Implemented multi-turn conversation handling and designed modular frontend architecture. Added error handling and fallback flows to improve reliability.

Developer (Personal Project)

Cross Stack Security Demo
Built a cross-stack security demonstration spanning Rust, PostgreSQL, Docker, and GitHub Actions. Demonstrated tenant isolation, release rollback automation, and software integrity verification. Designed as a reproducible security engineering and platform reliability exercise.

Developer (Personal Project)

SentinelMesh
Built a real-time incident response orchestration framework in Python for high-severity security events in distributed environments. Implemented automated triage logic, YAML-defined response workflows, and structured audit trails to standardize incident handling. Designed a modular architecture supporting integrations, emergency response actions, and extensible security automation capabilities.

IT Security Intern

WRI India
Investigated and triaged over 1,500 security alerts across Microsoft Sentinel and Defender XDR, contributing to the analysis and response of 50+ confirmed security incidents including brute-force attempts, phishing activity, cloud anomalies, and potential data exfiltration events. Designed and developed automated response playbooks, reducing manual intervention by 40%. Configured Microsoft Sentinel as the central security hub integrating with Microsoft Defender XDR. Optimized Microsoft Defender for Office, reducing phishing attempts and malware threats by 30%. Assisted in managing over 1000+ devices using JAMF and Intune. Contributed to increasing the Microsoft Secure Score to 776 out of 1392.

IT Security Intern

NetcoreInfo Business Service
Monitored and analyzed over 1000 security logs of alerts and incidents. Participated in 7+ vulnerability assessments and provided remediation recommendations. Assisted in incident response activities including triage, investigation, and post-incident analysis. Conducted awareness sessions for clients on identifying and preparing for cyber threats.

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