Senior Network Engineer 3

Job Title: Network L3 Engineer

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Job Summary:

Must have Core Technical Skills:

1. Advanced Networking Protocols Deep understanding of TCP/IP, BGP, OSPF, EIGRP, MPLS, ISIS Routing and switching concepts at an expert level

2. Network Design and Architecture Experience designing scalable, high-availability network infrastructures Capacity planning and performance optimization

3. Firewall and Security Proficient with firewalls (e.g., Palo Alto, Fortinet, Cisco ASA) VPNs (IPSec, SSL), ACLs, NAT, IDS/IPS

4. Load Balancing and Redundancy Knowledge of F5, Citrix NetScaler, or similar appliances HA protocols like HSRP, VRRP, GLBP

5. 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:

1. 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

2. Data Center Network Design Spine-leaf architecture Layer 2/3 segmentation and scalable designs Multitenancy (VRF, VLANs, overlay/underlay networks)

3. 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

4. Automation & Orchestration Tools: Ansible, Python, Terraform Integration with orchestration platforms like VMware vRealize, Cisco UCS Director, or ServiceNow

5. 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/Troubleshootings.

Candidate Requirements:

Any Bachelor’s degree. Information Technology, or a related field.

7+ years of experience in network engineering or a related technical field, with at least 2 years in an L3 support role.

Advanced knowledge of network protocols (BGP, OSPF, EIGRP, MPLS, etc.).

Experience with Cisco, Juniper, or other leading network equipment vendors.

Proficiency in configuring and troubleshooting routers, switches, firewalls, and load balancers.

Good Communication & Interpersonal skills

Ability to work effectively in high-pressure situations and as part of a team.

Willingness to work off-hours, weekends, or on-call rotations as needed.