Senior Network Engineer

Job Summary


We are seeking an experienced Senior Network Engineer to design, implement, operate, and support enterprise, data center, cloud, and market data network infrastructure. The ideal candidate will have strong expertise in enterprise routing and switching, Palo Alto firewalls, Arista networking, AWS networking, corporate Wi-Fi, and low-latency market data environments. Linux administration experience is desirable .

Key Responsibilities


Design, implement, maintain, and troubleshoot enterprise LAN, WAN, and data center networks.


Configure and support Cisco, Arista, and Juniper networking equipment.


Manage TCP/IP, VLANs, STP, OSPF, BGP, VRRP/HSRP, ACLs, NAT, QoS, DNS, DHCP, and VPNs.


Administer Palo Alto Firewalls including Security Policies, NAT, GlobalProtect, IPSec VPN, HA, URL Filtering, and Threat Prevention.


Configure and support Arista EOS, MLAG, LACP, Port Channels, Spine-Leaf architecture, and firmware upgrades. VXLAN/EVPN preferred.


Design and support AWS networking including VPC, Route Tables, Security Groups, Transit Gateway, AWS Direct Connect, Site-to-Site VPN, ALB/NLB, and hybrid connectivity.


Support Corporate Wi-Fi, Wireless Controllers, Guest Wi-Fi, and 802.1X authentication.


Support low-latency Market Data Networking including IP Multicast, PIM, IGMP, multicast routing, and exchange connectivity.


Work with Palo Alto, Arista, Cisco, AWS, ISPs, telecom providers, and market data vendors.


Participate in production support, incident response, root cause analysis, documentation, and change management.

Must Have Skills


Enterprise Routing & Switching


Palo Alto Firewalls


Arista Switching


AWS Network Architecture & AWS Direct Connect


Corporate Wi-Fi


Market Data Networking (IP Multicast, PIM, IGMP)


VPN & Hybrid Networking


Wireshark, tcpdump, Datadog, Splunk


Vendor Management

Good to Have Skills


Linux Administration (RHEL/Rocky/Ubuntu)


Python/Bash


Ansible


Terraform


VMware


Docker


Kubernetes Networking


HAProxy


NGINX

Qualifications


Bachelor's degree in Computer Science, Information Technology, Engineering, or related field.


5-8+ years of enterprise networking experience.


Experience supporting mission-critical production environments.


Excellent troubleshooting, communication, and documentation skills.

Preferred Certifications


CCNA (Required)


CCNP Enterprise


Palo Alto PCNSA/PCNSE


AWS Advanced Networking - Specialty


AWS Solutions Architect - Associate


Arista ACE


RHCSA/RHCE (Good to Have)