Experienced in managing and administrating enterprise and cloud network security infrastructures. Skilled in designing, implementing, managing, upgrading, expanding, and troubleshooting LAN/WAN, data center, and wireless secure networks. Proficient in multi-vendor environments and passionate about learning new technologies and best practices. Specialties: • Well-versed in managing diverse network environments across various vendors (Cisco, Aruba, Juniper). • Extensive experience in designing and implementing robust network security architectures. • Proficient in deploying and managing DDI solutions such as VitalQIP, Infoblox, and Bluecat. • Skilled in multi-vendor firewall administration (Cisco ASA, Palo Alto, Checkpoint, NSX, and Juniper SRX) • Data loss prevention, PKI, Information security, Endpoint security • Expertise on multi-vendor network proxies including Bluecoat, Cisco IronPort, McAfee SWG and Netskope cloud proxy (CASB, SASE, SSE) • Aruba SDWAN (formerly silverpeak) design and implementation. • Competent in cloud platforms (AWS, GCP, Oracle) and load balancing technologies (F5, Nginx) • Experienced in VPN technologies (GRE, IPsec, MPLS VPN, F5 APM, Palo Alto Global Protect) • Proficient in network virtualization (VMware NSX-V, NSX-T, Cisco Nexus 1000V) • Skilled in SSO authentication protocols (SAML, WS-FED, OAuth, OpenID, JWT) and integration with F5 APM & Ping Identity solution. • Network Access Control: Cisco ISE, Aruba ClearPass, Captive portal, CyberArk PAM • Scripting/Automation: Bash Shell Scripting, TCL, Python (intermediate), Netconf, Restconf, YAML, Ansible, JSON, XML, Rest API, Git, Bitbucket, Bamboo, GitHub etc. • Knowledgeable in cloud native technologies like Docker & Kubernetes container orchestration. • Cross-functional leadership and expertise in developing teams.