Job Title: Network L3 Engineer

Location: Vadodara / Bengaluru

Job Type: Full Time / Onsite

Department: IT Infrastructure

Shift: Rotational

Company Profile:

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, robust 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 scalable designs. Multitenancy (VRF, VLANs, overlay/underlay networks).
- Data Center Technologies: Cisco Nexus (5k/7k/9k) platforms. ACI (Application Centric

Infrastructure). Juniper QFX/EX, Arista platforms. EVPN/VXLAN for modern data center fabrics
- Security & Segmentation: Micro segmentation (e.g., using Cisco ACI or NSX).

Integration with firewalls and network access control (NAC)

Key Responsibilities:

- Hands-on experience on Network Technologies – Routing, Switching, Firewall, Load

Balancers, Wireless Network.
- Experience on Network designing, Architecting, Troubleshooting, Integrations.
- Ability to troubleshoot complex issues within defined timelines.
- Strong expertise in core and edge IP routing technologies (IPv4 and IPv6, BGP, OSPF,

MPLS – RSVP, LDP, etc. / VPLS / VPWS, IP VPN, QoS, Security)
- 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 highly preferred

📌 Network Operations Engineer (Karnataka)
🏢 Si2 Technologies
📍 Karnataka