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# Network Engineer

- **Company:** Tata Consultancy Services Limited
- **Location:** Sunnyvale, CA, United States
- **Experience:** Expert
- **Salary:** $90,000.0 - $120,000.0
- **Contract:** Permanent contract
- **Skills:** Apple IOS, Border Gateway Protocol, Cloud Computing, System Configuration, Dynamic Host Configuration Protocol, Enhanced Interior Gateway Routing Protocol, Virtual Private Networks (VPN), OSI Models, Local Area Networks, Network Layer, Network Architecture, Network Monitoring, Routing, Network Service, Network Administration, Open Shortest Path First (OSPF), Wide Area Networks, Wireless Access Point, Wireless Networks, Network Switches, Network Routing, Identity Services Engine, Computer Network Operations, Network Support, Cisco
- **Published:** October 27, 2026
- **Apply:** https://www.careerbuilder.com/job-details/network-engineer-sunnyvale-ca--de23acad-66e8-4573-ba9f-f8ebe648557d

## About the Role

Network Architecture/Engineering, Network Administration/Management, CCNA - Cisco Certified Network Associate, Cisco Network Systems, Local Area Network (LAN), Network Routing, Network Switching, Network Support, Wide Area Network (WAN), DHCP (Dynamic Host Configuration Protocol), CCNA certification (minimum requirement).

Hands-on experience with multiple Cisco device models and strong knowledge of routing and switching technologies. Solid understanding of LAN concepts and day-to-day network operations.

Experience installing, configuring, maintaining, and supporting Cisco network devices.

Working experience with SD-WAN technologies and routing policies.

Experience with DNS and DHCP server deployment, configuration, record management, and troubleshooting.

Experience troubleshooting wireless networking issues, including Cisco Access Points and Wireless Controllers.

Ability to resolve network-related incidents, system failures, routing changes, and infrastructure updates.

Strong customer service skills with the ability to engage effectively with clients and stakeholders to understand and address requirements.

Experience managing escalations, resolving technical issues within SLA targets, and contributing to problem management processes.

Experience performing IOS upgrades across Layer 2 and Layer 3 Cisco switching platforms.

Experience configuring and supporting routing protocols and technologies, including OSPF, RIP, EIGRP, BGP, ACLs, PPP, Wireless VPN, and related networking services.

Understanding of network architecture across all OSI layers, including cabling and physical connectivity concepts.

Strong knowledge of routing protocols such as RIP, EIGRP, OSPF, and BGP.

Experience with network monitoring tools, monitoring setup, and troubleshooting.

Proven customer support experience, including test case execution, results validation, and direct client interaction.

Ability to document operational activities, incidents, and customer interactions on a daily basis.

Flexibility to work in rotational shifts as required.

Excellent verbal and written communication skills.

Knowledge of firewall technologies and security concepts.

Experience with Cisco Identity Services Engine (ISE).

Experience with AWS networking services and cloud networking concepts.