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Mithilesh Gupta

Mithilesh Gupta

Senior Cyber Security Analyst

Varanasi, Uttar Pradesh, India $15/hr Remote Full-time
92
Profile Score

About

Result-driven Senior Cyber Security Analyst with 3 years of experience in Security Operations Center (SOC), Incident Response, and Threat Hunting across enterprise environments. Expert in identifying, analyzing, and mitigating complex cyber threats using Splunk ES, Microsoft Sentinel, Proofpoint, Defender for Endpoint, and Zscaler Cloud Security. Proven success in reducing response time by 45%, leading ransomware simulations that protected $2M+ in business impact and mentoring junior analysts to enhance team capability. Certified in CompTIA Security+, ZIA/ZPA, and ITIL v4, with hands-on experience aligned to MITRE ATT&CK and NIST CSF frameworks. Seeking to drive proactive defense and SOC maturity for global organizations.

Skills & Expertise (7)

SIEM Operations Expert
9.1/10
3
Years Exp
9
Proficiency
6
Experience
10
Recency
10
Demand
Threat Hunting Expert
9.1/10
3
Years Exp
9
Proficiency
6
Experience
10
Recency
10
Demand
Splunk ES Advanced
8.5/10
3
Years Exp
7
Proficiency
6
Experience
10
Recency
10
Demand
Microsoft Sentinel Advanced
8.5/10
3
Years Exp
7
Proficiency
6
Experience
10
Recency
10
Demand
Defender for Endpoint Advanced
8.5/10
3
Years Exp
7
Proficiency
6
Experience
10
Recency
10
Demand
Python Advanced
8.5/10
3
Years Exp
7
Proficiency
6
Experience
10
Recency
8
Demand
KQL Advanced
8.5/10
3
Years Exp
7
Proficiency
6
Experience
10
Recency
8
Demand

Work Experience

Senior Cyber security Analyst

HCL Technologies Limited

1-2023 - Present

Senior Cyber Security Analyst with 3 years of experience in Security Operations Center (SOC), Incident Response, and Threat Hunting across enterprise environments. Expert in identifying, analyzing, and mitigating complex cyber threats using Splunk ES, Microsoft Sentinel, Proofpoint, Defender for Endpoint, and Zscaler Cloud Security. Proven success in reducing response time by 45%, leading ransomware simulations that protected $2M+ in business impact and mentoring junior analysts to enhance team capability. Certified in CompTIA Security+, ZIA/ZPA, and ITIL v4, with hands-on experience aligned to MITRE ATT&CK and NIST CSF frameworks. Seeking to drive proactive defense and SOC maturity for global organizations. Responsibilities: Monitor, analyze, and respond to security incidents using SOC tools and frameworks. Investigate potential threats, perform root-cause analysis, and recommend preventive actions. Manage alerts through platforms such as Splunk, Sentinel, ServiceNow, and Defender. Collaborate with cross-functional teams to strengthen the organization’s security posture. Document incidents, create reports, and contribute to continuous process improvements.

Senior Cyber Security Analyst

HCL Technologies Ltd.

01-2022 - Present

Led incident triage, investigation, and containment for 6,000+ security alerts, improving detection accuracy and reducing MTTR by 45% through automation and refined correlation rules. Spearheaded threat hunting campaigns using Splunk ES and Sentinel, identifying 3 zero-day vulnerabilities and coordinating patch management with engineering teams. Designed and deployed 25+ detection playbooks and custom queries, reducing false positives by 30% and improving SOC efficiency. Integrated Proofpoint TAP/TRAP and Microsoft Defender for Endpoint, achieving 98% phishing prevention rate across enterprise users. Authored 75+ RCA and threat intelligence reports, mapping findings to MITRE ATT&CK and NIST CSF standards. Collaborated with global SOCs to improve Azure cloud and Zscaler security configurations, reducing policy violations by 20%. Trained and mentored 10+ junior analysts, standardizing incident response procedures and shift handovers.

Education

M.Tech

2020 - 2022 · India

B.Tech

2017 - 2021 · India

Master of Technology (M.Tech) & Bachelor of Technology (B.Tech)

2017 - 2022 · India

Certifications

Cybersecurity Certification

ISC2 · 2025

Cybersecurity Certification (ISC2)

ITILv4

HCL tech · 2024

ITILv4

ISO 20015/2022

HCL tech · 2024

ISO 9001:2015/ 27001:2022

ZIA

Zscaler Academy · 2023

Zscaler internet Access

CompTIA Security+

HCL tech · 2023

CompTIA Security+

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Profile Score Breakdown

📷 Photo 10/10
📄 Resume 10/10
💼 Job Title 10/10
✍️ Bio 10/10
🛠️ Skills 12/20
🎓 Education 10/10
⏱️ Experience 15/15
💰 Rate 5/5
🏆 Certs 5/5
Verified 5/5
Total Score 92/100

Profile Overview

Member sinceOct 2025
ExperienceIntermediate
Work ModeRemote
AvailabilityFull-time

Availability Details

Current Company

HCL Tech

Visa Status

No Visa

Relocation

Open to Relocation

Skills (7)

SIEM Operations Threat Hunting Splunk ES Microsoft Sentinel Defender for Endpoint Python KQL