Himanshu Ranjan Kumar
Mumbai
Summary
Accomplished Security Analyst at IBM with expertise in incident response and threat analysis. Successfully designed and implemented Zscaler solutions, enhancing security and user experience. Proficient in log analysis and network troubleshooting, I excel in critical thinking and problem-solving, ensuring robust security compliance and proactive threat management.
Overview
2
2
years of professional experience
1
1
Certification
Work History
Proxy Administration (Security Analyst)
IBM | HDFC
Mumbai
05.2023 - Current
- Designed, implemented, and maintained enterprise-scale Zscaler solutions, with a strong focus on security, performance optimization, and user experience.
- Managed Zscaler Internet Access (ZIA), including configuration, tuning, and ongoing operational support.
- Led key security initiatives such as client version upgrades, identity provider (IdP) creation, and seamless Zscaler migration for global users.
- Responded to critical incidents, including handling cyberwar-related escalations during heightened geopolitical tensions between India and Pakistan.
- Conducted audits, enforced compliance standards, and collaborated cross-functionally to refine security policies, and optimize network traffic.
- Utilized tools such as Wireshark and Burp Suite to troubleshoot complex networking and security issues.
SOC Analyst
IBM | RBI
Mumbai
03.2023 - 05.2023
- Continuous monitoring and interpretation of threats using SIEM.
- Research new and evolving threats and vulnerabilities with the potential to impact the monitored environment.
- Conduct log analysis.
- Monitoring and analysis of security events to determine intrusion and malicious events.
Education
Postgraduate Diploma (PGDip) - Cyber Security & Forensics (PG-DCSF)
Centre For Development of Advanced Computing
Thiruvananthapuram02-2023
Bachelor of Technology - Mechanical Engineering
Kalinga Institute of Industrial Technology
05-2022
Skills
- Incident response
- Web security
- Application security
- Network security
- Threat analysis
- Security compliance
- Log analysis
- Problem solving
- Critical thinking
- Security monitoring
- Log management
- Network troubleshooting
- Data analysis
- Operating system security
- TCP and IP protocols
- Cloud security
- Security analysis
- Network monitoring
- Packet analysis
- Wireshark usage
- Secure network design
- Security protocols
Certification
- ZIA Administrator
- Zscaler for Users - Essentials (EDU-200)
- Zscaler Private Access (ZPA) Administrator
- Cyberthreat Protection (EDU-230)
- Zscaler Digital Experience (ZDX) Administrator
Technical Competency
- Zscaler Internet Access (ZIA) – Implementation, policy configuration, SSL inspection, threat protection.
- Zero Trust Architecture – Planning and deploying ZTNA frameworks using Zscaler.
- Zscaler Client Connector – Deployment, troubleshooting, integration with endpoint platforms.
- Zscaler Admin Portal – Dashboard navigation, analytics, reporting, policy management.
- Integration with Identity Providers – SAML, Azure AD, Okta integration.
- Security Policy Design – URL filtering, DLP, CASB controls using Zscaler platform.
- Traffic Forwarding Methods – GRE/IPSec tunnels, PAC files, Zscaler App.
- SIEM Integration – Sending logs to Splunk/QRadar via Zscaler Nanolog Streaming Service (NSS).
- Certificate Management – SSL inspection, root CA deployment.
- Policy Troubleshooting & Log Analysis – Zscaler logs, packet captures, traffic flow debugging.
Projects
- Led enterprise-wide upgrade of Zscaler Client Connector across 20,000+ endpoints, ensuring minimal user disruption through phased deployment, automated scripts, and proactive issue resolution.
- Planned and executed global migration to Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) for over 20k users, involving GRE/IPSec tunnel setup, PAC file management, policy replication, and identity provider integration (Azure AD/Okta).
- Deployed and supported the Zscaler product suite during a critical cyber conflict between India and Pakistan, working on-site from Bangalore for 20 days; supported the Zscaler deployment during heightened geopolitical cyber threats, coordinated with global networking, security, and infrastructure teams to ensure seamless service continuity and secure migration under heightened threat conditions, and helped maintain business continuity for global operations by managing secure cutover processes, rapid response actions, and emergency configurations
Timeline
Proxy Administration (Security Analyst)
IBM | HDFC
05.2023 - Current
SOC Analyst
IBM | RBI
03.2023 - 05.2023
Postgraduate Diploma (PGDip) - Cyber Security & Forensics (PG-DCSF)
Centre For Development of Advanced Computing
Bachelor of Technology - Mechanical Engineering
Kalinga Institute of Industrial Technology