Senior Network Engineer - Cisco & SD-WAN Specialist

Tata Consultancy Services

Sunnyvale (CA)

On-site

USD 90,000 - 120,000

Full time

4 days ago

Be an early applicant

A complete application in a minute

Tailored resume and cover letter, ready to send.

Get past ATS filters

Benefits offered by this job

Annual Incentive

Medical Coverage

Parental Leaves

Insurance Options

Commuter Benefits

Training Reimbursement

Paid Time Off

Legal & Financial Aid

Job summary

Tata Consultancy Services in Sunnyvale, CA is seeking a Network Engineer to design, implement, and support Cisco-based LAN/WAN networks, including SD-WAN and cloud connectivity. The role demands hands-on experience with Cisco devices, routing protocols, DNS/DHCP, and wireless networking, with strong customer-facing communication and SLA-driven incident resolution.

The candidate will handle IOS upgrades, network monitoring, and documentation of activities. Competitive salary and benefits apply.

Qualifications

CCNA certification is the minimum requirement.
Hands-on experience with Cisco devices, routing and switching.
Experience installing, configuring, maintaining, and supporting Cisco network devices.
Working knowledge of SD-WAN and routing policies.
DNS and DHCP server deployment, configuration, record management, and troubleshooting.
Experience troubleshooting wireless networking issues with Cisco APs and Wireless Controllers.
Resolve network incidents, system failures, routing changes, and infrastructure updates.
Strong customer service skills with ability to engage with clients and stakeholders.
Experience managing escalations, resolving issues within SLA targets, and contributing to problem management.
Experience performing IOS upgrades across Layer 2 and Layer 3 Cisco switches.
Experience configuring routing protocols (OSPF, EIGRP, RIP, BGP), ACLs, PPP, Wireless VPN.
Understanding OSI layers, cabling, and physical connectivity concepts.
Knowledge of routing protocols (RIP, EIGRP, OSPF, BGP).
Experience with network monitoring tools and troubleshooting.
Proven customer support experience including test case execution and client interaction.
Ability to document operational activities and incidents daily.
Flexibility to work in rotational shifts; excellent verbal and written communication.
Knowledge of firewall technologies and security concepts.
Experience with Cisco Identity Services Engine (ISE) and AWS networking services.