Network Engineer-CISCO ACI

Cloudxtreme; Hyderabad, Bengaluru, Delhi; On-site; INR 1,500,000 - 1,900,000; Full time

Job summary

Cloudxtreme is seeking a Subject Matter Expert to manage obsolete hardware replacements, upgrade and patch firmware, and oversee code and security patches across a range of network devices, both physical and virtual. You will work on Cisco ACI, NDO, Nexus technologies and WAN/LAN networks in multi-site environments.

The role requires planning detailed upgrade activities, validating compatibility, and implementing robust rollback plans while maintaining security and change-management discipline.

Qualifications

• Experience upgrading and patching firmware, code and software on a wide range of network devices.
• Expertise with Cisco ACI, NDO, Arista CloudVision, IOS-XE/XR/NXOS/EOS/JUNOS devices and SD controllers.
• Ability to plan upgrades with pre-upgrade checks, backups and rollback strategies.
• Experience with VXLAN EVPN, vPC, FEX, spine-leaf architectures and data-center fabrics.

Responsibilities

• Perform fabric code upgrades in multi-pod and multi-site environments.
• Handle device replacements and code upgrades for routers and switches.
• Test traffic forwarding, policy enforcement and redundancy post-upgrade.
• Document lifecycle management and ensure compliance with change processes.

Skills

Cisco ACI

NDO

Nexus

DC LAN

WAN

BGP

MPLS-VPN

Multicasting

QOS

Tools

Ansible

Python

AWS

Azure

Job description

Role & responsibilities

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).