• Collaborated within a deployment and operations team to support various migrations involving switching, routing, firewalls, load balancers, and proxies.• Designed and installed Palo Alto firewalls, implementing features such as Application and URL filtering, SSL decryption, and SSL Forward Proxy.• Configured and maintained IPSEC and SSL VPNs on Palo Alto Firewalls.• Proficiently managed and configured Microsoft Defender antivirus and antimalware solutions for Windows and MacOS endpoints within the network.• Implemented robust security policies and settings to safeguard the organization's endpoints from malware, viruses, and emerging security threats.• Played a pivotal role in training and educating end-users and fellow IT professionals on best practices for using Microsoft Defender effectively to protect against cyber threats.• Collaborated with vendors and Microsoft support to troubleshoot complex security issues and ensure the optimal performance of Microsoft Defender across the network.• Actively stayed informed about the evolving threat landscape, applying this knowledge to fine-tune SentinelOne XDR configurations and improve threat detection capabilities.• Collaborated with cross-functional teams to align SentinelOne XDR with broader security strategies, enhancing the organization's ability to detect and respond to emerging threats.• Proficiently deployed and configured Pulse VPN solutions, ensuring secure remote access for employees and partners to the organization's network resources.• Managed user access by creating and maintaining user accounts, defining access permissions, and implementing robust authentication methods, including multi-factor authentication (MFA).

• Led the design, implementation, and maintenance of the network infrastructure, encompassing switches, routers, firewalls, Riverbed devices, load balancers, and wireless components.• Managed infrastructure security, including the use of CISCO Prime and CISCO ISE.• Implemented WAN optimization strategies using Riverbed technology to enhance the speed of access to critical applications and information within the enterprise.• Conducted internal network vulnerability assessments and actively contributed to the operation of advanced IP network services.• Troubleshot routing traffic issues and vigilantly monitored WAN circuits for performance optimization.• Demonstrated extensive expertise in both Local and Wide Area network connectivity solutions, including MPLS, IPSEC VPN, SSLVPN, Point-to-Point connections, and SD-WAN.• Established and maintained VPN connectivity to Microsoft Azure and Amazon AWS clouds, supporting various cloud-based servers, including MS Office 365, MS SSO, and web servers.• Proficiently installed, configured, and troubleshooted a range of Cisco routers (ASR 1K, 2901, 2911, 4200x, 2800, 2600 Series), NEXUS switches (9K/7K/5K/2K), Cisco Catalyst Switches (3750, 3950, 6500 series), and Cisco UCS Storage devices.• Utilized ServiceNow Ticketing system for the efficient handling of Incident tickets, Changes, and Service Requests.• Employed ClearQuest Rational to process Firewall Requests.• Designed and constructed a new Campus network environment, encompassing the installation, racking, and configuration of routers, switches, Riverbed devices, and firewalls.• Implemented ISE authentication configurations on switch-ports for end-user authentication and authorization.• Ensured adherence to change control systems and processes when applying configuration changes.

Contributed to various technical aspects of LAN, WAN, VPN, and security Internet Service projects, including planning, implementation, project management, and ongoing operations support.

Designed and executed the redistribution of RIP and EIGRP routing protocols into OSPF, streamlining network routing and optimizing data flow.