Associate Principal Engineer - L3 Network Engineer

Nagarro; United States; Remote; USD 100,000 - 130,000; Full time

Job summary

A leading digital product engineering company is seeking a skilled Network Engineer to diagnose and resolve complex network issues, design secure infrastructure solutions, and provide escalation support. The ideal candidate will have extensive experience in enterprise environments, strong analytical skills, and proficiency with various networking technologies.

Qualifications

• 8+ years of experience as a network engineer.
• Deep knowledge of TCP/IP, BGP, OSPF, EIGRP.
• Experience with Cisco, Juniper, or similar enterprise-grade equipment.

Responsibilities

• Diagnose and resolve complex Layer 2/Layer 3 network issues.
• Design, configure, and deploy scalable and secure network infrastructure.
• Provide Tier 3 escalation support for unresolved incidents.

Skills

Network

Troubleshooting

Analytical Thinking

TCP/IP

Tools

Wireshark

NetFlow

Cisco Prime

vManage

Job description

Company Description

We are a Digital Product Engineering company that is scaling rapidly! We build products, services, and experiences that inspire, excite, and delight. Our work spans all devices and digital mediums, with a global presence of over 19,000 experts across 33 countries. Our culture is dynamic and non-hierarchical. We are seeking talented new colleagues — that’s where you come in!

Job Description

1. Diagnose and resolve complex Layer 2/Layer 3 network issues across enterprise environments.
2. Design, configure, and deploy scalable and secure network infrastructure solutions.
3. Provide Tier 3 escalation support for incidents unresolved by Tier 1 and Tier 2 teams.
4. Administer and troubleshoot enterprise-grade routing, switching, firewalls, VPN, and load balancing technologies.

Qualifications

Must have Skills: Network (Strong), Troubleshooting (Strong), Analytical Thinking, TCP/IP, Cisco wired and wireless networks.

• 8+ years of experience as a network engineer.
• Experience with enterprise companies.
• At least 5 years of network engineering in medium to large enterprises.
• Deep knowledge of TCP/IP, BGP, OSPF, EIGRP.
• Experience with Cisco, Juniper, or similar enterprise-grade equipment.
• Proficiency with network monitoring and diagnostic tools (e.g., Wireshark, NetFlow, Prime, Catalyst Center, vManage [Cisco Viptela SDWAN]).
• Strong troubleshooting and analytical skills.

Nice-to-Have:

Network automation (Python, Ansible), SolarWinds NetFlow, Fortigate/FortiManager/FortiAuthenticator/FortiAnalyzer, MPLS/VPLS, Cellular Gateways/Technology (OpenGear/Cradlepoint).

Key Protocols and Technologies

• Routing Protocols: OSPF, BGP, EIGRP (especially for hybrid environments).
• Switching Technologies: VTP, RSTP/MSTP, Private VLANs.
• Wireless Protocols: 802.11a/b/g/n/ac/ax, WPA2/WPA3, RADIUS/802.1X.
• SD-WAN Protocols: OMP, IPSec, DTLS, BFD.
• Network Services: DHCP Snooping, ARP Inspection, NetFlow, SPAN/RSPAN.
• Security: ACLs, Zone-Based Firewall, AAA, ISE integration.
• Monitoring & Management: SNMP, Syslog, NetFlow, Cisco Prime, DNA Center.