Tata Consultancy Services · 18 hours ago
LAN ACI Engineer
Plano, TX
Full-time
Onsite
Senior Level
$80K/yr - $110K/yr
7+ years expTata Consultancy Services is seeking a LAN ACI Engineer to provide operations support for Enterprise LAN, Security, Data Center, and Campus Network platforms across North America. The role involves installing, configuring, and supporting network equipment, diagnosing connectivity issues, and maximizing network performance through monitoring and troubleshooting.
Business Information SystemsConsultingInformation TechnologyIT Management
Hiring Manager
Aarthi A
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
Qualification
Required
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
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
Benefits
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.
Company
Tata Consultancy Services
Tata Consultancy Services is a business solutions company that specializes on information technology services and consulting.
10001+ employees
H1B Sponsorship
Tata Consultancy Services has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (7880)
2024 (9690)
2023 (8537)
2022 (11159)
2021 (9813)
2020 (11984)
Funding
Current Stage
Public CompanyTotal Funding
unknown2004-08-25IPO
Leadership Team
K. Krithivasan
Chief Executive Officer & Managing Director
Aarthi Subramanian
President and Chief Operating Officer
Recent News
2026-01-17
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