LAN ACI Engineer

Tata Consultancy Services; 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

Auto & home insurance options

Commuter benefits

Certification & training reimbursement

Vacation and holidays

Job summary

Tata Consultancy Services seeks a network engineer with deep Cisco data center and switching expertise in a North American setting. You will design, deploy, and support core LAN, data center, and campus networks across large enterprise environments.

The role emphasizes ACI, SDA, DNAC, ISE integration and strong hands-on with Nexus devices, BGP/OSPF, VXLAN, and high availability protocols. Expect collaboration with customers and vendors and active incident resolution.

Qualifications

• CCNP Certification (Routing & Switching) or higher
• Strong knowledge of Cisco Data Center with ACI environment
• Expert understanding of LAN switching technologies including STP, VLAN, and VTP
• Hands-on experience with Cisco Nexus devices and VSS/VDC/VPC configurations
• Experience with IP addressing and VLSM
• Experience with network design, deployment, and troubleshooting in large scale environments
• Experience with network orchestration and automation using Cisco ACI/APIC, SDA & DNAC with ISE integration

Responsibilities

• Provide operations support across Enterprise LAN, Data Center, and Campus in North America
• Install, configure, and support network equipment including Switches & Routers using APIC & DNAC
• Configure and support Cisco ACI Spine-Leaf, Nexus switches, APIC and APIC-EM
• Resolve connectivity problems between applications, EPGs, and external networks
• Troubleshoot routing contracts and endpoint learning issues
• Maintain external connections (L3Out, firewalls, load balancers) and enforce security policies
• Plan and perform APIC and switch firmware upgrades
• Escalate as needed and drive service improvements with stakeholders
• Collaborate with customers, infrastructure teams, and Cisco or vendors

Skills

Switching technologies

BGP

OSPF

VXLAN

STP

HSRP/VRRP

VPC

Nexus switches

ACI/DNAC

SDA

ISE

APIC

Cloud solutions

Education

BACHELOR OF COMPUTER SCIENCE

Tools

APIC/ACI

DNAC

Nexus Dashboard

PagerDuty

Nagios

ThousandEyes

Infoblox

Job description

Job Description

Must Have Technical/Functional Skills

Strong knowledge in Switching technologies – Tenant, VRFs, BDs, EPGs, VXLAN, STP, Trunking, Ether channel, HSRP, VRRP, LACP, PaGP, BGP, OSPF, MP-BGP

Switching Models Nexus 9K, 7K, 5K, 2K, VPC, FEX, VDC, Cisco VSS, VPC, Cisco Catalyst 6800, 6500, 4500, 3800, 3500 2900 with stacking.

Deep understanding of Internet Protocol (IP) addressing and Variable Length Subnet Mask (VLSM).

Extensive experience on designing and implementing Cisco ACI, SDA (Software-Defined Access), DNAC with Data Center Networking Technologies and Cloud Solutions.

Strong experience with Monitoring and Alerting Tools: Cisco APIC/ACI, Nexus Dashboard, Cisco DNAC, Cisco ISE, PagerDuty, Nagios & Thousand Eyes.

• CCNP Certified (Routing & Switching) & Higher
• Strong knowledge on Cisco Data Center with ACI environment (Single/Multi Pod)
• Expert Knowledge of LAN switching technologies: STP, Trunking, Ether channel and good understanding of high availability fundamentals (HSRP and VRRP)
• Good understanding of Local Area Network (LAN) switching technologies including ACI, APIC, VXLAN, fabric path, SDA, DNAC, ISE, Spanning Tree, Virtual LAN (VLAN), and VLAN Trunking Protocol (VTP) concepts.
• Good hands-on experience on the load balancing concepts like - LACP, PaGP
• Strong hands-on work experience with Cisco Nexus 9K, 7K, 5K, 2K devices, Cisco Catalyst 9K, 3K & 4K series.
• Experience in designing, deploying, and troubleshooting VSS, VDC, VPC, OTV, Fabric path, FCoE and multi-tenancy in the datacenter.
• Deep understanding of Internet Protocol (IP) addressing and Variable Length Subnet Mask (VLSM).
• Good understanding of DHCP, DNS - Hands-on experience & troubleshooting knowledge on Infoblox.
• Troubleshooting network link/device hardware/configuration issues, isolating the problem, fixing the problem
• Install, configure, and support large-scale production and corporate network infrastructure including routers, switches, console servers and equipment.
• Schedule and perform network maintenance, repair, and upgrade tasks as needed while limiting the impact on the production network.
• Very strong Layer 2 & 3 Networking skills solid BGP, IPV4, IPv6, Change management.
• Troubleshooting the routing protocols like BGP, EIGRP, Static and OSPF and work with the ISPs and internal teams to resolve the issues.
• Experience working on CoS, QoS, WRED and related quality of service parameters.
• Working knowledge on MPLS, Metro Ethernet and Hub & Spoke concepts

Roles & Responsibilities

• Provide operations support for Enterprise LAN, Security, Data Center, and Campus Network platforms across North America locations.
• Installing, configuring, and supporting network equipment including Switches & Routers using APIC & DNAC tool.
• Configuration and Operational support experience with Cisco ACI - Spine-leaf switches, APIC and APIC-EM controller, Nexus switches.
• Resolve connectivity problems between applications, EPGs, and external networks.
• Diagnose routing, contracts, and endpoint learning issues.
• Maintain external connections (L3Out, firewalls, load balancers) and Apply micro segmentation and policy rules.
• Add or update ACI objects (tenants, VRFs, bridge domains, EPGs, contracts).Deep understanding of network orchestration and automation using Cisco ACI/APIC, SDA & DNAC with ISE integration.
• Procuring network equipment and managing subcontractors involved with network installation.
• Configuring routing and switching to maximize network efficiency and security.
• Supervise and or performing site installs, maintenance, upgrades or software enhancements to support the network infrastructure needs.
• Plan and execute APIC and switch firmware upgrades.
• Function as a point of escalation for operational entities regarding regular or complex issues.
• Maximizing network performance through ongoing monitoring and troubleshooting
• Investigating faults in the network
• Resolve incidents/problems/Changes according to established procedures.
• Work on Service improvement activities and completing it within the target dates.
• Explore & Support automation where possible.
• Work closely with customer, Infrastructure teams and vendors such as Cisco.

Reporting network status to key stakeholders

Base Salary Range : $80,000 to $110,000 Per Annum

TCS Employee Benefits Summary

• Discretionary Annual Incentive.
• Comprehensive Medical Coverage: Medical & Health, Dental & Vision, Disability Planning & Insurance, Pet Insurance Plans.
• Family Support: Maternal & Parental Leaves.
• Insurance Options: Auto & Home Insurance, Identity Theft Protection.
• Convenience & Professional Growth: Commuter Benefits & Certification & Training Reimbursement.
• Time Off: Vacation, Time Off, Sick Leave & Holidays.
• Legal & Financial Assistance: Legal Assistance, 401K Plan, Performance Bonus, College Fund, Student Loan Refinancing.

Qualifications

BACHELOR OF COMPUTER SCIENCE