Cisco ACI & Nexus Data Center Engineer

Tata Consultancy Services Limited; Plano (TX); On-site; USD 80,000 - 110,000; Full time

Benefits offered by this job

Discretionary annual incentive

Comprehensive medical coverage

Family support: leaves

401K plan

Job summary

Tata Consultancy Services Limited in Plano, Texas, seeks an experienced network engineer with deep Cisco switching and data center expertise to design, implement, and support large-scale enterprise networks across North America.

The role emphasizes ACI, DNAC, SDA, VXLAN, BGP/OSPF, QoS and automation, with responsibilities spanning provisioning, incident resolution and vendor collaboration, including Cisco.

Qualifications

• CCNP Routing & Switching or higher.
• Strong Cisco Data Center with ACI experience.
• Expert LAN switching: STP, Trunking, EtherChannel; high availability with HSRP/VRRP.
• LAN switching incl. ACI, VXLAN, SDA, DNAC, ISE, VLAN, and VTP concepts.
• Load balancing knowledge: LACP, PaGP.
• Hands-on with Nexus 9K/7K/5K/2K devices and Catalyst 9K/3K/4K series.
• Designing, deploying, and troubleshooting VSS, VDC, VPC, OTV, FabricPath, multi-tenancy.

Responsibilities

• Provide operations support for Enterprise LAN, Data Center, and Campus Network across North America.
• Install, configure and support network equipment using APIC & DNAC.
• Configure spine-leaf Cisco ACI with APIC and APIC-EM controllers.
• Resolve connectivity between applications, EPGs, and external networks.
• Diagnose routing, contracts, and endpoint learning issues.
• Maintain external connections (L3Out, firewalls, load balancers) and apply micro-segmentation.
• Add or update ACI objects (tenants, VRFs, bridge domains, EPGs, contracts).
• Automation with Cisco ACI/APIC, SDA & DNAC with ISE integration.
• Procure network equipment and manage subcontractors.
• Configure routing and switching for efficiency and security.
• Supervise site installs, maintenance, upgrades or software enhancements.
• Plan and execute APIC and switch firmware upgrades.
• Escalation point for operational issues; drive service improvements.
• Maximize network performance via monitoring and troubleshooting.
• Investigate faults; resolve incidents/changes per procedures.
• Explore and support automation with Cisco tools.
• Collaborate with customers, infrastructure teams and Cisco.
• Report network status to stakeholders.

Skills

Switching technologies

BGP

OSPF

HSRP

VRRP

VXLAN

LACP

VLAN

VPC

Nexus 9K

Nexus 7K

Nexus 5K

APIC

DNAC

ACI

LAN switching

MPLS

QoS

EIGRP

DHCP

DNS

Spanning Tree

Tools

Nexus Dashboard

Cisco DNAC

PagerDuty

Nagios

ThousandEyes

APIC

ISE

Infoblox

Job description

Tata Consultancy Services Limited in Plano, Texas, seeks an experienced network engineer with deep Cisco switching and data center expertise to design, implement, and support large-scale enterprise networks across North America.

The role emphasizes ACI, DNAC, SDA, VXLAN, BGP/OSPF, QoS and automation, with responsibilities spanning provisioning, incident resolution and vendor collaboration, including Cisco.