Networking - Load Balancing

Job Description

Required technical skills: Knowledge in Engineering traffic management solutions, including the design, low level engineering, and application load balancing solutions for client applications across the pre-provisioned ADC infrastructure.Knowledge in Collaborating with Application owners, Network Team, DNS Team, and Firewall Team, Knowledge in Engineering and configuring Virtual Server, Pools, iRules, Profiles, Persistence, and monitor on F5 LTM to match the configuration the Application had on NetScalerKnowledge in Used Confidential to dynamically assign reusable IP addresses to Confidential clients using Inflobox IPAM and resolved IP address conflicts.Knowledge in Monitoring and capturing the traffic using network management tools like solar winds and InfloBox.F5 migration of applications to new BIG-IP vCMP infrastructure.F5 build-out of the base F5 BIG-IP infrastructure, including the BIG-IP 10200v platforms and vCMP guest instances.Configured and troubleshooting the F5 LTM and APM and providing level 2 support for the customers.Configuration and troubleshooting F5 LTM and providing level 2 and level 3 support for the customers.Extensive hands on experience with BIG-IP 5000 and 2000 series.Allocation and designing appropriate virtual IP for F5 ADC through IPAM InfloBox.Licensing and provisioning of F5 modules such as LTM, GTM, VCMP (Virtual Cluster Multi Processing).Extensively worked on code upgrades from v11.5.3 to v11.5.3 and downgrades from 12.0.0 to 11.5.4.Extensively worked on virtual F5 LTM module on VMware for application testing.Configured VCMP Host and created VCMP guests for Exchange and ACE migrations.Created a high availability feature between the VCMP guests for different VCMP hosts.Extensive knowledge in configuration via CLI (TMSH and advance shell).Good knowledge on basic iRules scripting and debugging.Creating custom profiles, health monitors, and also configuring SNAT pools, syslog and SNMPImplementation of major application services with the iApps templates.Extensive knowledge and experience regarding F5 BIG-IP LTM VIP configuration with health check.Extensive knowledge and experience with hosting SSL certificates on F5 platforms.Experience in managing the load balancers in a high-availability infrastructure.Engineering and configuring Virtual Server, Pools, iRules, Profiles, Persistence, and monitor on F5 LTM to match the configuration the Application had on NetScalerOnboarding and Certifying new F5 device to replace End of Support, End of Life legacy F5 appliancesCoordinating post-application-migration sessions with Network Team, Application Support Team, and firewall Team to identify issues related to Application migration.Handling various trouble tickets, firewall rule changes, assisting other teams to bring the device to production, making DNS changes in InfloBox and routing changes.F5 BigIP pools, monitors, profiles and VIPs configuration and troubleshooting.iRules scripting using TCL (Tool command language) for HTTP redirection, redirection of HTTP traffic from one data center to another data center, content based redirection.Worked on configuration and maintenance of Webtops and Portal Access, and F5 SSL VPN and network access.Configured different load balancing methods on F5 LTM & GTM and worked on one-connect profiles and HTTP compression and several persistence profiles.Configuring the VIPs, pools, irules and profiles on F5 LTM 10.x and 11.x version and also Code upgrades from 11.4.0 to 11.5.1 HF8.Migrating applications from cisco ACE/CSM to F5LTM, and GSS configurations to F5 GTM wide-ips.Configured and troubleshooting the F5 LTM and APM and providing level 2 support for the customers.Working with F5 APM sessions and manipulating session using iRule and configuring and maintaining Webtops and Portal Access.Extensive experience configuring Access Policy Actions and branch rules.Experience in configuring and maintaining F5 SSL VPN and network access and Single Sign-On (SSO) for SAML resources.Upgraded the F5 LTM and APM modules from v.11.4.1 to v.11.5.3 in high-availability architecture.Implemented F5 LTM and GTM changes using CLI (TMSH and advance shell) configurations and Experienced in administration of F5 infrastructure.Created the AAA servers for LDAP and AD authentication in F5 APM.Design and deployed F5 LTM and GTM load balancer infrastructure per business needs from the ground up approach.Responsible for the implementation, migration and customization of customer DNS, Confidential, IPAM solutions using the Infoblox platform.Implementing Proof of Concept for Infoblox DNS Firewall and diagnosed issues and applied fixes on Infoblox Switch Port Manager.Applied current licenses and performed software upgrades for Infoblox Switch Port Manager Onboarding and Certifying new F5 device to replace End of Support, End of Life legacy F5 appliancesImplemented Web traffic load balancing function and manipulated.Configured SSL offloading, bridging and pass through for custom applications per business needs.Responsible for High and low-level design as it pertains to load balancing infrastructure and changesImplementation of major application services with the iApps templates.Knowledge in migrating other external facing web application onto F5 LTM.Extensive knowledge and experience regarding F5 BIG-IP LTM VIP configuration with health check.Extensive knowledge and experience with hosting SSL certificates on F5 platforms.Experience in managing the load balancers in a high-availability infrastructure.Strong verbal and written communication skills, problem solving skills, customer service and interpersonal skills,

Keyskills :
end of lifeproof of conceptssl vpndata centerweb trafficload balancingvirtual serverproblem solvingweb applicationcustomer servicessl certificateshigh availabilitynetwork managementsingle signon