Network Engineer

Job Title:
Network Engineer (Nexus/ACI) – L3

Department/Group:
SI

Job Location:
Mumbai

Travel Required:
Yes

Position Summary
We are seeking an experienced
Network Engineer (Nexus/ACI) – L3
with deep hands-on expertise in
Cisco Nexus switches and Cisco ACI (Application Centric Infrastructure)
. The selected candidate will act as a
Resident Engineer
, responsible for managing, troubleshooting, and optimizing Nexus and ACI environments to ensure seamless network performance and reliability across enterprise data centers.

Key Responsibilities

• Deployment & Configuration
• Configure, deploy, and maintain Cisco Nexus switches and Cisco ACI fabrics for data center and enterprise environments.
• Integrate ACI with external devices such as firewalls, load balancers, and virtualization platforms.
• Implement advanced features like VXLAN EVPN, Service Graphs, Multi-Chassis Link Aggregation (MLAG), VMM Domain, and Fabric Path.
• Ensure proper integration with existing infrastructure during new deployments.
• Network Management & Optimization
• Monitor and manage Cisco Nexus/ACI environments to ensure high availability and optimal performance.
• Conduct capacity planning, performance tuning, and proactive maintenance.
• Utilize Python, Ansible, and REST APIs for network automation within ACI environments.
• Troubleshoot Nexus and ACI hardware/software issues and ensure timely resolution.
• Troubleshooting & Issue Resolution
• Provide L3-level technical support for complex network incidents.
• Perform root cause analysis (RCA) and implement corrective measures.
• Collaborate with cross-functional teams to resolve issues impacting infrastructure or business operations.
• Network Security & Compliance
• Ensure compliance with security standards and organizational policies.
• Implement ACI-based segmentation, access control policies, and other security best practices.
• Documentation & Reporting
• Maintain up-to-date documentation of network configurations, diagrams, and standard operating procedures.
• Provide regular reports on network health, incidents, and performance metrics.
• Stay current with emerging Cisco ACI and Nexus features, recommending upgrades and improvements where needed.

Qualifications, Certifications & Experience Requirements

• Total Experience: 6+ years, including at least 3 years of hands-on experience managing Cisco Nexus/ACI environments.
• Experience managing large-scale data center networks for a minimum of 1 year.
• Strong understanding of data center technologies including Software-Defined Networking (SDN).
• Solid knowledge of Layer 3 protocols such as OSPF, BGP, VRF, and L3Out.
• Expertise with Cisco Nexus family (7000, 5000, 9000 series) and ACI APIC Controllers.
• Proficiency with tools such as Wireshark, NDB, NetFlow, and other network monitoring tools.
• Bachelor's degree in Engineering, Computer Science, or Information Technology (or equivalent experience).

Certifications (Preferred)

• Cisco CCNP Data Center, CCIE Data Center, or Cisco Certified ACI Specialist.
• Knowledge of EIGRP, MPLS, and other data center protocols is a plus.

Soft Skills

• Strong analytical and troubleshooting abilities.
• Excellent communication and interpersonal skills to coordinate with multiple stakeholders.
• Ability to work independently, manage multiple priorities, and deliver within deadlines.
• Willingness to travel and provide on-site support as per business needs.
• Flexibility for after-hours or weekend maintenance activities when required.

Preferred Skills

• Deep understanding of networking and switching fundamentals.
• Experience in configuring and maintaining ACI/Nexus environments.
• Strong verbal and written English communication skills.

Skills: mlag,troubleshooting,cisco,vxlan,aci,nexus,infrastructure,data center,evpn