What makes Cognizant a unique place to work? The combination of rapid growth and an international and innovative environment! This is creating many opportunities for people like YOU - people with an entrepreneurial spirit who want to make a difference in this world.Cognizant (Nasdaq-100: CTSH) is one of the world's leading professional services companies, transforming clients' business, operating and technology models for the digital era. Our unique industry-based, consultative approach helps clients envision, build and run more innovative and efficient businesses. Learn how Cognizant helps clients lead with digital at or follow Position Summary:We are looking for a senior Network & Security Administrator to maintain a reliable, secure, and efficient data communications network. The ideal candidate will be able to deploy, configure, maintain, and monitor all active network equipment to ensure smooth network operation.Mandatory Skills:Meraki Access PointsMeraki FirewallsCisco Switches (Catalyst & Nexus)Cisco RoutersFortinet firewallCisco FTD & FMCF5 LTM & APMCisco UmbrellaCisco SMA & WSAISEACIAzure CloudDuties and Responsibilities:Strong understanding of network infrastructure, network hardware for on-prem & Azure cloud.To be efficient to work with F5 LTM & APM related tasks and incidents.Wireless troubleshooting (Meraki & WLC).Hands on in Meraki switches/firewalls.Hands on in Load balance (F5) - LTM & APM.Work on firewall and infrastructure capacity management.Strong in Switching/routing and implement changes as necessary.Hands-on in Meraki APs/Firewalls, Cisco routers/switches, Forti Gate Firewall and Cisco FTD firewalls.Should have ability to work on routing protocols like OSPF & BGP and troubleshoot LAN & WAN environment.Should be familiarized in software upgrades for Cisco switches, routers, Forti Gate Firewalls, Cisco FTD, F5.Perform network configuration changes/firewall updates in accordance with change management process.Create and maintain network documentation as it relates to network configuration, network diagrams and processes.Ensures that all processes and procedures have been implemented and documented.Assist in troubleshooting issues related to network connectivity, partnering with our wider networking teams.Participate in shift work and regular weekend work.Hands-on with Cisco Umbrella, ACI & SMA/WSA is an added advantage.Hands-on with Solar Winds monitoring tools.Qualifications & Certifications (Optional):CCNP or CCIE, AZ-700 or AZ-900Salary Range: