RAHUL B
Trivandrum
Summary
Results-driven Network Security Engineer with proven skills in Zscaler administration, threat detection, and incident response. Adept at conducting security audits and developing policies to enhance organizational security posture.
Overview
2
2
years of professional experience
2023
2023
years of post-secondary education
1
1
Certification
Work History
Network Security Engineer
Tata consultancy services
Mumbai
09.2023 - Current
- Hands-on experience in Zscaler ZIA (Internet Access) & ZPA (Private Access) administration for secure global connectivity.
- Expertise in SIPA & Browser Isolation to reduce attack surface and prevent web-based threats.
- Skilled in Sandbox analysis for zero-day threat detection and blocking of malicious files.
- Strong understanding of Zscaler DLP policies, profile configurations, and sensitive data protection workflows.
- Configured and optimized Threat Protection modules for Malware Detection, URL Filtering, ATP Policies, and SSL Inspection.
- Good exposure in troubleshooting traffic flow, policy conflicts, tunnel issues, ZCC, authentication & app access problems.
- Experience in ZPA App Connector deployment and Segmentations for Zero Trust Architecture.
- Involved in log analysis using Nanolog, Admin logs, & Packet capture for incident investigation.
- Knowledge of BBA framework & Best-practice architecture to ensure performance & security alignment.
- Coordinated with SOC / Security / Network teams for policy rollout, incident response, and security posture improvement
- I was part of the migration activity of some our intranet application access through ZPA, previously we are using cisco VPN for that connectivity
- Strong understanding about SIPA forwarding method of zscaler
- L1 Knowledge on CrowdStrike, DLP, DES, Prisma, and other security tools
- Strong understanding about the deployment of ZPA connector and maintenance
- Monitored network traffic for potential threats and vulnerabilities.
- Conducted regular security audits and risk assessments.
- Assisted in developing incident response strategies and procedures.
- Provided training sessions on cybersecurity best practices for staff.
- Trained new employees on proper usage of company resources with regards to information security policies.
- Monitored network traffic using packet sniffing tools such as Wireshark to detect malicious activity.
- Managed authentication services such as LDAP, Active Directory, Kerberos for user access control.
- Developed security policies and procedures for network infrastructure to ensure organizational compliance.
Education
Bachelor of Technology - Civil Engineering
APJ ABDUL KALAM TECHNOLOGY UNIVERSITY
Trivandrum 08.2018 - 02.2023
St Mary's HSS Pattom
Trivandrum , IndiaSkills
- Zscaler administration
- threat detection
- policy development
- network security
- incident response
- team collaboration
- communication skills
- Security awareness training
Languages
Malayalam
First Language
English
Advanced (C1)
C1
Certification
- CCNA
- Mastering the fundamentals of zero trust (EDU 104)
- Zscaler certified sales professional exam
- AWS solution architect associate
Accomplishments
- During my career in TCS I have completed internal promotion exam (Wings 1)
Timeline
Network Security Engineer
Tata consultancy services
09.2023 - Current
Bachelor of Technology - Civil Engineering
APJ ABDUL KALAM TECHNOLOGY UNIVERSITY
08.2018 - 02.2023
St Mary's HSS Pattom