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Sanjay

Sanjay

Technical Support Engineer

Chennai, Tamil Nadu
80
Profile Score

About

Customer-focused Technical Support professional with a Master’s degree in Cybersecurity and Forensic Information Technology and hands-on experience in troubleshooting systems, analyzing technical issues, and delivering reliable solutions. Experienced in working with operating systems, networking fundamentals, and security analysis tools. Proven ability to diagnose technical problems, collaborate with cross-functional teams, and provide clear communication to resolve issues efficiently. Strong experience in training, documentation, and operational support with a focus on delivering high-quality customer experience and maintaining service-level expectations.

Skills & Expertise (29)

Incident Response Advanced
8.1/10
3
Years Exp
Splunk Advanced
7.8/10
2
Years Exp
WIRESHARK Advanced
7.5/10
2
Years Exp
MITRE ATT&CK System Monitoring & Log Analysis Cross-Functional Collaboration Knowledge Base Creation Incident Documentation Root Cause Analysis Customer Support & Issue Resolution Technical Troubleshooting Firewalls VPN DHCP DNS TCP/IP Cyber Kill Chain Jira Basic SIEM queries Bash Python Linux OS Windows 10/11 MS365 Active Directory VirusTotal Defender Windows Event Viewer GitHub

Work Experience

Security Threat Analyst Intern

Immersive Labs, UK

Sep 2022 - Mar 2023

Performed SIEM monitoring, log triage, and alert investigation using Microsoft Defender ATP and Splunk. Conducted phishing simulations and email threat analysis, improving detection accuracy for enterprise users. Participated in red/blue team adversary simulation labs, analysing attacker TTPs and mapping them to MITRE ATT&CK. Investigated suspicious network traffic using Wireshark, identifying malicious DNS requests and C2-like behaviour. Generated incident response reports, including attack timelines, root cause analysis, and remediation guidance. Supported vulnerability assessments and patch coordination, reducing security gaps across cloud and endpoint assets.

Operation Support and Trainer & Team Lead

Tesco Frozen Food Distribution, UK

May 2023 - Jun 2025

Provided robust operational and system support, acting as the primary point of contact for employees and resolving complex technical/process issues to minimize disruption. Developed and conducted comprehensive training for new hires on proprietary systems, workflows, and safety procedures, ensuring rapid and compliant onboarding. Diagnosed root causes of operational deficiencies using data/feedback, collaborating with management to design and implement effective, long-term solutions that improved efficiency and output quality. Established and maintained a centralized documentation repository with up-to-date materials, incident reports, and standardized procedures, ensuring knowledge transfer and business continuity. Cultivated seamless, proactive communication across diverse teams, acting as a liaison to address friction, clarify requirements, and accelerate issue resolution, significantly improving cross-functional efficiency.

Cybersecurity & Forensic Intern

Shiash Infotech, Chennai, Tamil Nadu

May 2021 - Aug 2021

Conducted endpoint security audits for Windows systems and supported vulnerability assessments. Provided L2 technical support for desktops, AD, and MS365 environments. Resolved IT tickets using ServiceNow/Freshdesk, meeting SLA targets and improving response efficiency. Delivered user training on endpoint security and identity management, reducing recurring incidents. Assisted infrastructure and security teams during security alerts and system outages.

Education

Master of Science in Cyber Security in Forensics and Information Technology - University of Portsmouth

- 2023 · Afghanistan

Bachelor's in Engineering in Electronics and Communication Engineering - Sri Venkateswara College of Engineering and Technology

- 2021 · Afghanistan

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Profile Score Breakdown

📷 Photo 10/10
📄 Resume 10/10
💼 Job Title 10/10
✍️ Bio 10/10
🛠️ Skills 20/20
🎓 Education 10/10
⏱️ Experience 5/15
💰 Rate 0/5
🏆 Certs 0/5
Verified 5/5
Total Score 80/100

Profile Overview

Member sinceMar 2026

Skills (29)

Incident Response Splunk WIRESHARK MITRE ATT&CK System Monitoring & Log Analysis Cross-Functional Collaboration Knowledge Base Creation Incident Documentation Root Cause Analysis Customer Support & Issue Resolution +19 more