Senior Network Engineer – Cisco ACI

3 days ago

New Delhi, India TECEZE Full time

Location: MumbaiEmployment Type: Full-timeShift: RotationalWeekly Off: Depending on workloadJoining Timeline: ImmediateExperience: 16+ yearsJob DescriptionWe are seeking an experienced Senior Network Engineer (Cisco ACI – Level 4) with 16+ years of experience in enterprise networking and data center infrastructure. The candidate will be responsible for leading complex Cisco ACI implementations, optimizing network performance, ensuring high availability, and acting as a subject matter expert for all ACI-related operations.Key Responsibilities- Design, deploy, and manage Cisco ACI fabrics including APIC clusters, leaf/spine architecture, multi-site and multi-tenant setups. - Integrate and manage L4/L7 services (firewalls, load balancers, WAFs) through service insertion and service graphs. - Define and enforce ACI policies, contracts, EPGs, and bridge domains for traffic control and segmentation. - Lead network migration and transformation projects ensuring minimal downtime. - Integrate ACI with virtualization, cloud platforms, and automation frameworks. - Troubleshoot and resolve complex ACI and network issues while maintaining high uptime. - Prepare HLD/LLD documentation, architecture diagrams, and operational runbooks. - Drive automation using scripting and configuration management tools like Python, Ansible, and REST APIs. - Collaborate with cross-functional teams (security, infrastructure, and applications) to align network strategy with business needs. - Mentor and guide network engineers, providing technical leadership and support for escalations.Required Skills & Experience- 16+ years of experience in enterprise-level networking and data center environments. - Expert-level knowledge of Cisco ACI, Nexus platforms, and data center fabric technologies. - Strong command of routing/switching protocols (BGP, OSPF, IS-IS) and overlay/underlay technologies (VXLAN, EVPN). - Hands-on experience in network automation (Python, Ansible, REST API). - Excellent problem-solving and troubleshooting skills in mission-critical networks. - Strong communication and leadership skills with the ability to handle L4-level escalations.Preferred Qualifications- CCIE (Data Center / Enterprise) or equivalent advanced certifications. - Experience in SDN, NFV, hybrid/multi-cloud networking, and container-based networking. - Familiarity with observability and performance monitoring tools.Highlights- Opportunity to work on advanced Cisco ACI environments. - Involvement in high-availability, large-scale network projects. - Exposure to cutting-edge data center and automation technologies. - Excellent growth and learning potential.

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