Chinmayi Sajjala
Sr Network Security Engineer
- Role
- Sr Network Security Engineer at Comcast
- Location
- Chandler, AZ, US
- LinkedIn followers
- 500 followers
About Chinmayi Sajjala
Experienced Network Engineer in designing, implementing, and troubleshooting complex…
Experience
Sr Network Security Engineer
Mar 2025 — Present
Configured and analyzed network traffic with Palo Alto’s Threat Prevention and WildFire services, enhancingdetection and response to advanced threats, including zero-day attacks.• Implemented Panorama for centralized management of multiple Palo Alto PA-5440, PA-5280, PA-3430 firewalls,streamlining policy administration and ensuring consistent security across sites.• Configured FortiGate firewalls 1800F, 200E, 500E, for application load balancing, optimizing resource utilizationand improving application availability.• Implemented User Identity policies using FortiAuthenticator integration to control access based on user identity,improving security for sensitive applications.• Deployed and configured SD-WAN solutions to optimize network performance, reduce latency, and improveconnectivity for distributed branch locations.• Integrated Cisco ACI with monitoring tools such as SolarWinds and Cisco Nexus Dashboard for visibility andalerting.• Configured and managed Cisco Nexus series switches to support advanced data centeroperations.• Deployed and managed routing protocols such as OSPF, EIGRP, and BGP on Cisco routers ASR 9900, 9901 foroptimized path selection and redundancy.• Implemented security policies and firewall rules on Juniper SRX 4200, 4600 devices, achieving a 35% reduction inunauthorized access incidents.• Developed and maintained F5 iRules to customize traffic management and security policies, ensuring tailoredsolutions for specific network requirements.• Configured and maintained Cisco ACI filters to enforce security policies and ensure network segmentation.• Deployed Infoblox Grid architecture, ensuring high availability and resilience of critical network services acrossmultiple data centers.
Education
Sri Chandrasekharendra Saraswathi Vishwa Mahavidyalaya, Kancheepuram
Bachelor's degree
2012 — 2016
Swinburne University of Technology
Master of Science - MS
2017 — 2018
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