Pragathi P
Frisco,TX
Summary
A proactive Network Security Professional with over 10+years combined experience in the design, implementation and management of various Network and Security solutions. Highly competent with comprehensive understanding of the concept of networking and information security within various environment.
Overview
16
16
years of professional experience
1
1
Certification
Work History
Network Firewall Engineer
AT&T Communication Services
08.2017 - Current
- Participate in technical design and deployments of information security solutions
- Configuration and management of Cisco ASA Firewalls in line with best practice within security operating platform
- Maintenance & Upgrades of Cisco ASA of various models like 5505, 5585
- Responsible for implementing mitigation mechanism to avert potential threats
- Maintaining Information Security Management Systems regulations and policies
- Configuring rules and maintaining Cisco firewall and analysis of Firewall logs.
- Customized configuration of different security profiles and security profile groups with relationship
- Analyzing network security needs and design solutions that meet business requirement for protection,
- Standardization, efficiency, scalability, supportability and cost-effectiveness
- Implementing and providing guidance on best practice deployment for Cisco ASA
- Configured different NAT Policies based on Business requirements
- Configure, maintain and troubleshoot site-to-site VPN tunnels for our customers for secure communication.
- Configure, maintain and troubleshoot F5 load balancers. Suggested load balancing methods and profiles based on customer requirement.
- Update network diagrams using visio and document network changes.
- Raise change as per change management process and implementing it during change window.
Network Firewall Engineer
UBS Financial Services
05.2014 - 07.2017
- Participated in escalation problems for Routing, Switching and firewall connectivity issue.
- Provisioned and installed firewalls Palo Alto, Juniper SRX and Netscreen.
- Configured HA clusters for firewalls and load balancers for redundancy Manually fail-over to test High Availability.
- Managed Palo Alto, Juniper SRX firewalls from command line using Putty sessions.
- Implemented remote VPN, IPsec VPNs and SSL VPNs through IKE On Juniper SRX firewalls for site-to-site VPN connectivity.
- Optimized firewall performance through continuous monitoring and fine-tuning of settings and rules.
- Spearheaded the successful migration of firewalls to a new platform, resulting in improved functionality and efficiency.
- Provided technical support to internal teams, addressing firewall-related concerns promptly and effectively.
- Coordinated network upgrades with minimal disruption to users by scheduling maintenance during off-peak hours.
- Enhanced network security by designing and implementing firewall configurations and policies.
- Configured and troubleshoot High Availability for all firewalls in network, preventing single point of failure Configured security profiles to Mitigate Attacks on network.
- Configured Destination NAT for all Servers located in DMZ Zone Participated in change control process Consulted with customers to identify data and network security
NOC Engineer
Aricent Technologies
12.2012 - 05.2014
- Improved network performance by monitoring, troubleshooting, and resolving complex technical issues.
Reduced downtime with proactive identification of potential issues through regular network analysis and reporting.
Enhanced system reliability by designing and implementing network configurations and upgrades.
Minimized service disruptions by performing scheduled maintenance during off-peak hours.
Maintained up-to-date documentation of network topology, ensuring easy reference for troubleshooting purposes.
Conducted root cause analyses following incidents, implementing corrective actions to prevent recurrence and maintain service quality standards.
TAC Engineer
Juniper Networks
07.2008 - 07.2010
- Provided first and second-level escalation support for multiple customers.
- Performed initial analysis of network issues, resolving and escalating as needed
- Performed scheduled Juniper upgrades and configuration changes with 0% service down-time
- Performed 75% of firewall changes, installs, and upgrades
Education
Bachelor of Science - Electronics
Osmania University
Hyderabad, India07.2008
Skills
- Firewall Network configuration and management (PA Alto PA-3000, PA-5000 series, Cisco ASA and Juniper SRX firewalls
- F5 Load balancer configuration and management
- Backup and restore device (Firewall, Router) configuration
- PAN OS, Cisco ASA, Juniper SRX Upgrades & Maintenance
- Strong experience in Intrusion Detection System, Intrusion Prevention System
- Knowledge in IPSEC VPN design connection and protocols, IPSEC tunnel configuration, encryption and integrity protocols
- Performing and analyzing Wireshark captures
- Extensive knowledge of troubleshooting of Layer2 and Layer3 technologies
- Able to work independently or with minimum supervision
- Detail oriented and ability to multi-task in a highly dynamic environment
- Configuring and troubleshooting natting on firewalls
- Strong experience in configuring LTM irules and managing SSL certificates
- Developed custom scripts using Python for automating repetitive tasks, increasing productivity within the team
Certification
· Juniper Network Certified Internet Associate - JNCIA-Junos.
Timeline
Network Firewall Engineer
AT&T Communication Services
08.2017 - Current
Network Firewall Engineer
UBS Financial Services
05.2014 - 07.2017
NOC Engineer
Aricent Technologies
12.2012 - 05.2014
TAC Engineer
Juniper Networks
07.2008 - 07.2010
Bachelor of Science - Electronics
Osmania University
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