BALAKRISHNA DUDE
Hyderabad
Summary
Network security engineer with over 3 years of experience in firewall support, VPN troubleshooting, and incident management. Proficient in Palo Alto firewall administration, routing and switching, and ITIL-based support operations. Expertise in managing critical incidents to maintain secure and reliable network environments.
Overview
4
4
years of professional experience
Work History
System Engineer
Valuelabs Solutions
08.2022 - 03.2025
- Supported Palo Alto firewall environments, including policy configuration, and rule optimisation.
- Managed security policies, NAT configurations, URL filtering, and threat prevention features.
- Assisted in SSL forward and inbound decryption configurations.
- Supported GlobalProtect VPN users and resolved authentication and connectivity issues.
- Monitored security alerts using SIEM tools, and escalated critical findings.
- Troubleshot network connectivity issues across LAN and WAN environments.
- Participated in CAB meetings and implemented approved firewall changes in production.
- Performed firewall upgrades and configuration modifications in accordance with security requirements.
- Diagnosed Panorama-related configuration and log monitoring issues.
- Conducted traffic analysis to resolve blocked application and web access issues.
- Coordinated with cloud teams to support firewall integrations in AWS environments.
- Maintained documentation for configurations, incident reports, and change activities.
- Involved in the implementation and support of Secure Web Gateway (SWG) solutions.
- Assisted in migration activities from legacy web security platforms to Palo Alto SWG.
- Provided L1/L2 support for firewall administration, VPN tunnels, and remote access users.
- Monitored firewall health, high availability status (Active-Active / Active-Passive).
- Troubleshot routing, switching, and wireless network issues.
- Investigated and mitigated security threats using log analysis and traffic inspection.
Trainee Engineer
Movate Technologies
Hyderabad
05.2021 - 06.2022
- Provided L1 network and security support for enterprise clients, ensuring high availability and secure connectivity.
- Monitored firewall, VPN, and network devices to detect and resolve incidents within SLA timelines.
- Handled P1 and P2 incidents, performing initial troubleshooting and escalating to L2/L3 teams when required.
- Configured and supported firewall security policies, NAT rules, and access control lists.
- Assisted in SSL VPN and Site-to-Site IPSec VPN configuration and troubleshooting.
- Analyzed firewall logs and traffic behavior to identify and resolve access-related issues.
- Supported routing and switching issues involving VLANs, STP, BGP, OSPF, and static routing.
- Performed packet capture analysis to identify traffic anomalies and rule mismatches.
- Monitored network performance and ensured minimal downtime through proactive troubleshooting.
- Raised and implemented change requests following ITIL change management processes.
- Coordinated with cross-functional teams during security incidents and maintenance activities.
- Provided Root Cause Analysis (RCA) documentation for recurring incidents.
- Used ticketing tools to track, update, and resolve incidents efficiently.
Education
Bachelor of Science - Computer Science
Gowtham Degree College
12-2020
Skills
- Firewall management
- VPN configuration
- Network troubleshooting
- Security policy management
- Traffic analysis
- Incident response
- ITIL change management
- Problem solving
- Root cause analysis
- Active Directory
- Office 365
- SQL database administration
- LAN networking
- Firewall administration
- Network security protocol
Timeline
System Engineer
Valuelabs Solutions
08.2022 - 03.2025
Trainee Engineer
Movate Technologies
05.2021 - 06.2022
Bachelor of Science - Computer Science
Gowtham Degree College