Network Operations Engineer

SI2 Technologies Pvt Ltd; Bengaluru Urban; On-site; INR 1,500,000 - 2,300,000; Full time

Job summary

SI2 Technologies Pvt Ltd in Bengaluru is seeking a Network L3 Engineer to maintain, troubleshoot, and optimize our advanced network infrastructure for client environments.

The role requires hands-on experience with multi-vendor equipment, strong problem-solving abilities, and excellent communication to support complex network operations under pressure.

Qualifications

• Bachelor’s degree in computer science, Information Technology, or a related field.
• 5+ years of experience in network engineering or a related technical field, with at least 2 years in an L3 support role.
• Certifications such as CCNP, JNCIP, ITIL or equivalent are desirable.

Responsibilities

• Hands-on experience on Network Technologies – Routing, Switching, Firewall, Load Balancers, Wireless Network.
• Ability to troubleshoot complex issues within defined timelines.
• Strong expertise in core and edge IP routing technologies (IPv4 and IPv6, BGP, OSPF).
• Hands-on experience on Cisco Nexus, ASR/ISR, SDN, SD-WAN, IPSEC, SWITCHING.
• Hands-on experience on Network & Server Load Balancer, WAN Optimization devices.
• Hands-On experience on Next-Gen Firewalls like Palo Alto, Cisco FP features.
• Knowledge of VPN, MPLS, ILL, L2/L3 Circuits configuration/Troubleshooting.

Skills

TCP/IP

BGP

OSPF

EIGRP

MPLS

ISIS

Routing & Switching

Network Design

Firewall & Security

VPNs

Load Balancing

Network Monitoring

Wireshark

Education

Bachelor’s degree in computer science, Information Technology, or a related field

Tools

Cisco Nexus

ASR/ISR

SDN

SD-WAN

IPsec

NAT

Job description

SI2 Technologies is a strategic premier application and infrastructure outsourcing

company. As a specialist in delivering business transformation through IT, Infrastructure,

and Consulting, we partner with our customers to help them drive positive and upscaled

outcomes.

One of the many ways that we aim to keep providing you with the best possible service is

our continued investment in education and the growth of our people. We hire highly skilled

professionals and continually train and keep them updated in the latest technologies.

Job Summary:

The Network L3 Engineer will be responsible for maintaining, troubleshooting, and

optimizing our advanced network infrastructure for our client(s). This role requires a deep

understanding of networking protocols, strong problem-solving skills, and the ability to

work under pressure to resolve complex network issues. The ideal candidate will have

hands‑on experience with multi‑vendor network equipment, excellent communication

skills, and a proactive approach to continuous improvement.

Must have Core Technical Skills –

• Advanced Networking Protocols: Deep understanding of TCP/IP, BGP, OSPF, EIGRP, MPLS, ISIS. Routing and switching concepts at an expert level
• Network Design and Architecture: Experience designing scalable, high‑availability network infrastructures. Capacity planning and performance optimization
• Firewall and Security: Proficient with firewalls (e.g., Palo Alto, Fortinet, Cisco ASA). VPNs (IPSec, SSL), ACLs, NAT, IDS/IPS
• Load Balancing and Redundancy: Knowledge of F5, Citrix NetScaler, or similar appliances. HA protocols like HSRP, VRRP, GLBP
• Network Monitoring and Troubleshooting: Tools: Wireshark, SolarWinds, Nagios, PRTG Strong analytical skills for packet capture analysis. Core Data Center Network Skills.

Good to have Core Technical Skills –

• High-Level Routing & Switching: Deep understanding of Layer 2/3 protocols: STP, VTP, HSRP, VRRP, BGP, OSPF, VXLAN. Fabric Path, OTV, and other data center‑specific technologies
• Data Center Network Design: Spine‑leaf architecture. Layer 2/3 segmentation and Infrastructure). Juniper QFX/EX, Arista platforms. EVPN/VXLAN for modern data center fabrics Integration with firewalls and network access control (NAC)

Key Responsibilities:

• Hands‑on experience on Network Technologies – Routing, Switching, Firewall, Load Balancers, Wireless Network.
• Ability to troubleshoot complex issues within defined timelines.
• Strong expertise in core and edge IP routing technologies (IPv4 and IPv6, BGP, OSPF,
• Hands‑on experience on Cisco Nexus, ASR/ISR, SDN, SD‑WAN, IPSEC, SWITCHING.
• Hands‑on experience on Network & Server Load Balancer, Wan Optimization devices.
• Hands‑On experience on Next‑Gen Firewalls like Palo Alto, Cisco FP features
• Knowledge of VPN, MPLS, ILL, L2/L3 Circuits configuration/Troubleshooting’s.

Candidate Requirements:

• Bachelor’s degree in computer science, Information Technology, or a related field.
• 5+ years of experience in network engineering or a related technical field, with at least 2 years in an L3 support role.
• Certifications: Relevant industry certifications such as CCNP, JNCIP, ITIL or equivalent are