Data Center SME – Cisco ACI L3 Engineer
Company Overview
Enterone is seeking a highly skilled Data Center Subject Matter Expert specializing in Cisco Application Centric Infrastructure (ACI) to join our technical operations team in Mumbai, India.
Position Summary
We are looking for an experienced Cisco ACI L3 Engineer to lead the design, deployment, and operational support of enterprise-scale ACI fabrics. This role demands deep technical expertise in multi-datacenter network architectures, including Multi-Pod and Multi-Site deployments, along with advanced Layer-3 networking capabilities. The ideal candidate will serve as a subject matter expert, driving infrastructure excellence while supporting critical production environments.
Key Responsibilities
ACI Fabric Management
- Design, deploy, configure, and maintain Cisco ACI fabrics across single pod, Multi-Pod, and Multi-Site architectures
- Implement and manage ACI constructs including tenants, application profiles, bridge domains, VRFs, Endpoint Groups (EPGs), and contracts
- Configure and optimize fabric policies, access policies, and security policies within APIC (Application Policy Infrastructure Controller)
Layer-3 Network Services
Design and implement L3Out configurations for external network connectivityConfigure and troubleshoot dynamic routing protocols including BGP and OSPF within ACI environmentsManage route leaking, route maps, and policy-based routing across VRF boundariesImplement and support VXLAN / EVPN overlay technologiesMulti-Site Orchestration
Operate and maintain Cisco Nexus Dashboard Orchestrator (NDO) for multi-fabric policy orchestration and automationDesign stretched network services across geographically distributed data centersManage inter-site connectivity, site-to-site routing, and disaster recovery configurationsOperations & Support
Provide Level 3 technical support for incidents, outages, and performance degradation issuesConduct root cause analysis (RCA) for complex underlay and overlay network problemsMonitor fabric health using APIC dashboards, syslog, SNMP, and streaming telemetryExecute planned maintenance windows including ACI / APIC upgrades and patch managementAutomation & Continuous Improvement
Develop automation scripts using Python, Ansible, or XML / JSON APIs to streamline operationsImplement Infrastructure-as-Code practices for ACI configuration managementConduct regular health checks, capacity planning, and performance optimization reviewsDocumentation & Governance
Create and maintain comprehensive technical documentation including network diagrams, runbooks, and standard operating procedures (SOPs)Support change management processes and ensure compliance with ITIL best practicesParticipate in design reviews, architecture discussions, and technical knowledge sharing sessionsRequired Qualifications
Experience
3–5+ years of hands-on experience with Cisco ACI and Nexus 9000 series switches in production environmentsProven track record of managing large-scale data center networks with 24 / 7 uptime requirementsExperience with Multi-Pod and Multi-Site ACI deploymentsTechnical Skills
Expert-level knowledge of :Cisco APIC GUI and CLI operationsNexus Dashboard Orchestrator (NDO) / Multi-Site Orchestrator (MSO)ACI fabric initialization, discovery, and topology managementTenant networking : VRFs, bridge domains, EPGs, contracts, filtersL3Out configurations with BGP and OSPFVXLAN and EVPN control / data plane operationsStrong troubleshooting skills in :ACI underlay (IS-IS, MP-BGP) and overlay (VXLAN) issuesEndpoint learning, policy resolution, and forwarding behaviorFabric interconnect and inter-pod / inter-site connectivityPerformance bottlenecks and packet flow analysisAutomation capabilities :Scripting with Python (preferred) or other languagesConfiguration management using AnsibleRESTful API interaction with ACI (XML / JSON)Version control systems (Git)Certifications (Preferred)
Cisco Certified Network Professional Data Center ( CCNP Data Center )Cisco Certified Internetwork Expert Data Center ( CCIE Data Center ) – highly desirableCisco ACI specialization certificationsAdditional Requirements
Strong analytical and problem-solving abilitiesExcellent written and verbal communication skillsAbility to work in a fast-paced, mission-critical environmentExperience with ITIL processes and change managementWillingness to participate in on-call rotation and after-hours maintenance windowsPreferred Qualifications
Experience with Cisco Nexus Dashboard Insights (NDI) for analytics and troubleshootingKnowledge of data center security technologies (firewalls, load balancers, microsegmentation)Familiarity with VMware NSX, SD-WAN, or other data center technologiesExperience with monitoring and observability tools (Splunk, ELK, Grafana, Prometheus)Understanding of DevOps / NetOps methodologiesWhat We Offer
Opportunity to work with cutting-edge data center technologiesCollaborative and innovative work environmentProfessional development and certification support(Additional benefits to be specified by company)Location
Mumbai, India onsite
How to Apply
Interested candidates should submit their resume along with relevant certifications to (contact email / application portal).
Equal Opportunity Employer Statement
Enterone) is committed to creating a diverse and inclusive workplace. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, national origin, disability status, or any other characteristic protected by law.