Job
Description
Dear Professional, We are excited to present a unique opportunity at Cognizant, a leading IT firm renowned for fostering growth and innovation. We are seeking talented professionals with 6 to 18 years of experience in Network SME,Network Infrastructure Engineer,Cisco ACI,Cisco NDO,Cisco Nexus,Cisco IOS-XE,IOS-XR,Arista ,EOS,CloudVision,Juniper JUNOS,SD Controllers,MPLS VPNs,BGP, OSPF, IS-IS,VXLAN EVPN,Firmware Upgrades,Code,Image Management,Ansible Automation, Python Scripting,Lifecycle Strategy Documentation ,On-Premise,Third-Party Data Centers to join our dynamic team. Your expertise in these areas is highly sought after, and we believe your contributions will be instrumental in driving our projects to new heights. We offer a collaborative environment where your skills will be valued and nurtured. Job Description: Purpose: Seeking a highly skilled Subject Matter Expert (SME) to manage obsolete hardware replacements, upgrading and patching of code, firmware, bootstrap programs, software and security patches for a wide range network physical and virtual appliances. The Engineer must have expertise in Cisco ACI, NDO, Nexus technologies, DC LAN technologies and WAN (BGP, L2 & L3 extension networks, MPLS-VPNs, Multicasting & QOS). Job Description -1: Expertise in upgrading and managing code, image, firmware, bootstrap programs, software and security patches for a wide range of Network devices, including physical and virtual appliances like Cisco ACI, NDO, Arista CloudVision, IOS-XE, IOS-XR, NXOS, EOS, JUNOS Devices and SD Controllers deployed in on-premises, third-party data centers. Demonstrated ability to replace obsolete hardware and virtual appliances through detailed planning, including pre-upgrade checks, backup strategies, review and validate the compatibility of new firmware versions with existing features, testing procedures, and rollback plans for both physical and virtual components. Perform ACI fabric code upgrades in multi-pod and multi-site environments. Validate the fabric policies, tenant configurations, and seamless operations post-upgrade. Handle Device replacements and code upgrades for Routers running OSPF/IS-IS, BGP, MPLS VPNs, QOS, Multicasting, VPWS and Layer 2 and Layer 3 connectivity. Perform Code upgrades and hardware replacements for Cisco Nexus and Catalyst switches. Validate DC LAN features such as VXLAN EVPN, vPC, FEX, QOS and spine-leaf architecture. Perform rigorous end-to-end testing of traffic forwarding, policy enforcement and redundancy. Troubleshoot and resolve issues related to configuration compatibility or protocol mismatches. Monitor the networks performance and stability post-upgrade to ensure all devices are operating as expected with no hidden issues. Documentation and compliance - Define lifecycle management strategies for hardware and software. Maintain comprehensive documentation of upgrade activities, including change management logs and compliance reports. Ensure adherence to organizational security standards, following Change processes and industry best practices throughout the upgrade process. Good to Have: Knowledge on ansible/python (For automation and troubleshooting), cloud-native networking services and tools (AWS, AZURE) To proceed to the next step of the recruitment process, please provide us with the following details with Updated resume to vigneshwaran.Suresh@cognizant.com Please share below details (Mandatory) : Full Name(As per Pan card): Contact number:Email Current Location: Interested Locations: Total Years of experience: Relevant years of experience: Current company: Notice period: NP negotiable: if yes how many days they can negotiate? : If you are Serving any Notice period Means please mention Last date of Working: Current CTC- Expected CTC- Availability for interview on Weekdays ? Highest Qualification? Additionally, we would like to schedule a virtual interview with you on 2nd Jun 2025 . Kindly confirm your availability for the same. We look forward to the possibility of you bringing your valuable experience to Cognizant. Please respond at your earliest convenience. Thanks & Regards, Sathish Kumar M R HR-Cognizant Sathish.KumarMR@cognizant.com
