Farina Sy
⚡ Certified Senior Network Security Engineer | Expert in Cisco, Juniper, Palo Alto | SD-WAN • Firewall Management • Cloud Automation | Driving Zero Trust Security Strategies
- Role
- Sr Network Security Engineer at TierPoint
- Location
- Houston, TX, US
- LinkedIn followers
- 500 followers
About Farina Sy
I’m a Senior Network Security Engineer with over 10 years of experience designing…
Experience
Sr Network Security Engineer
Jul 2020 — Present · Dallas, TX, US
Implemented and managed robust WLAN infrastructure using Cisco and Aruba Wireless Controllers and Access Points across corporate sites. Conducted site refreshes for Cisco switching and Aruba wireless environments, ensuring seamless connectivity. Configured and optimized Barracuda, AWS WAF, and Palo Alto App-ID for bot protection, HTTPS filtering, and API security. Designed and enforced URL filtering and firewall policies on Palo Alto and Cisco Firepower. Migrated legacy firewalls to Palo Alto using PAN migration tools and performed rule validations in collaboration with SMEs. Implemented SSL/TLS decryption for traffic inspection and configured TACACS+, LDAP, GRE, IPSec, and RADIUS authentication. Deployed NGFW solutions (Palo Alto, Fortinet, Cisco Firepower) with IPS, antivirus, and sandboxing. Performed firewall object cleanup using Firemon Policy Optimizer. Managed F5 Enterprise Manager and BIG-IP LTM, deploying APM with MFA integrations (Okta, Duo, RSA SecureID, Azure MFA), automating policy deployment with Python, Ansible, and APIs. Created custom iRules for traffic management and configured Virtual Servers, Load Balancing Pools, and HA setups. Designed dynamic routing (BGP, OSPF, EIGRP) and multi-layer switching (VLANs, HSRP, VRRP, GLBP). Implemented spine-leaf architecture using Arista switches and automated provisioning via Cisco DNA Center and ITSM integrations. Automated AWS infrastructure using CloudFormation and Terraform. Migrated Linux/Windows workloads to AWS and Azure. Led Cisco Viptela SD-WAN deployments with centralized management (CloudVision). Integrated Cisco ISE, TrustSec, and Zero Trust solutions (Zscaler, Prisma Access). Monitored IDS and Layer 7 traffic via CrowdStrike, Trellix, and SentinelOne. Managed Infoblox IPAM and Server 2012 R2 integrations. Led data center migrations, office relocations, and hardware lifecycle management. Served as Tier 4 escalation point, utilizing Wireshark and IDS logs for traffic analysis and issue resolution.
Education
University of Houston
Master's degree
University of Houston
Bachelor's degree
Find verified contacts for anyone on LinkedIn
Unifers gives sales teams verified emails and direct dials, enriched profiles, and outreach that lands in the inbox.
Free plan included · No credit card required
This profile is compiled from publicly available professional sources. Unifers is not affiliated with or endorsed by LinkedIn. Request removal of this profile.