Tarun Sharma
Kurukshetra
Summary
Network & Security Engineer with over 8 years of experience in Zscaler and Palo Alto Networks. Expertise in TAC operations, escalations, and firewall security, with a focus on cloud-based security solutions. Demonstrated success in resolving high-impact incidents, enhancing network uptime, and achieving high customer satisfaction. Actively pursuing opportunities as a Network Security or Escalation Engineer in the UK.
Overview
9
9
years of professional experience
1
1
Certification
Work History
Escalation Engineer
Zscaler
Mohali
10.2025 - Current
- Handle critical escalations for enterprise customers.
- Perform advanced troubleshooting across cloud security and network issues.
- Collaborate with engineering teams to implement permanent fixes.
Product Support Engineer III
Zscaler
Mohali
12.2023 - 10.2025
- Delivered L3 technical support for Zscaler products.
- Analysed logs and configurations to resolve complex issues.
- Maintained SLA compliance.
Focused Services Engineer – Palo Alto TAC
Movate (CSS Corp)
Mohali
09.2022 - 11.2023
- Primary contact for top-tier Palo Alto customers.
- Managed complex firewall and security cases.
Escalation Engineer (Senior T2) – Palo Alto TAC
Movate (CSS Corp)
Mohali
03.2022 - 08.2022
- Owned critical escalation cases and lab reproductions.
Senior Network Security Engineer – Palo Alto TAC
Movate (CSS Corp)
Mohali
10.2021 - 02.2022
- Advanced troubleshooting and case documentation.
Technical Support Engineer – Palo Alto TAC
Movate (CSS Corp)
Mohali
10.2020 - 09.2021
- L1/L2 firewall support.
Security Systems Associate
BT
Gurgaon
04.2020 - 10.2020
- Security monitoring and incident triage.
Network Administrator
Wipro Limited
08.2017 - 03.2020
- Managed routers, switches, LAN/WAN.
Education
BCA -
Swami Vivekanand Subharti University
01.2022
Diploma in ECE -
Govt Polytechnic Nilokheri
01.2017
Skills
- Network Security
- Firewall Troubleshooting
- Zscaler (ZIA, ZPA, ZDTA)
- Palo Alto Networks (PAN-OS)
- TCP/IP
- DNS
- Routing & Switching
- VPN/IPSec
- Incident & Problem Management
- Root Cause Analysis
- Packet Capture & Log Analysis
- Linux CLI
- SLA Management
- Advanced troubleshooting
- Incident management
- Cloud security
- Firewall configuration
- Technical documentation
- SLA management
- Customer engagement
- Collaboration skills
- Escalation management
- Performance analysis
- Network optimization
Certification
- PCNSE
- JNCIA-Junos
- Zscaler ZDTA
Personal Information
Relocation: Open to UK relocation
Websites, Portfolios and Profiles
https://linkedin.com/in/tsharma10
Timeline
Escalation Engineer
Zscaler
10.2025 - Current
Product Support Engineer III
Zscaler
12.2023 - 10.2025
Focused Services Engineer – Palo Alto TAC
Movate (CSS Corp)
09.2022 - 11.2023
Escalation Engineer (Senior T2) – Palo Alto TAC
Movate (CSS Corp)
03.2022 - 08.2022
Senior Network Security Engineer – Palo Alto TAC
Movate (CSS Corp)
10.2021 - 02.2022
Technical Support Engineer – Palo Alto TAC
Movate (CSS Corp)
10.2020 - 09.2021
Security Systems Associate
BT
04.2020 - 10.2020
Network Administrator
Wipro Limited
08.2017 - 03.2020
BCA -
Swami Vivekanand Subharti University
Diploma in ECE -
Govt Polytechnic Nilokheri