Overview:
In this Lead role, you will guide the design, deployment, and operation of critical network infrastructure across data centers, campus networks, WAN, Extranet, and multi-cloud environments. You’ll drive modernization, reliability, and secure connectivity for high-performance trading and business-critical apps. You’ll lead complex incidents, collaborate with security and cloud teams, and advance automation andIaC to improve scalability and resiliency. This is a pivotal, cross-functional engineering leadership role in a premier financial services firm.
Responsibilities:
Design and support large-scale network infrastructure across data centers, campus networks, WAN backbone, Extranet, Internet Edge, and multi-cloud environments Engineer high-performance network platforms (Arista 7800 Series, Cisco Nexus, Cisco 8800) Design routing architectures (BGP, OSPF, MPLS, SR-MPLS, EVPN/VXLAN, SR-TE) Lead infrastructure transformation, hardware refresh, and technology migrations Provide Tier-3 leadership for complex production incidents and escalations Architect and support hybrid-cloud connectivity across Azure, GCP, and on-prem Design low-latency network solutions for business-critical apps and trading Support Extranet and Market Data connectivity and ultra-low-latency designs Engineer Perimeter and Internet Edge infrastructure, including DDoS mitigation Collaborate with providers and security teams to enhance resiliency and security Drive Infrastructure-as-Code and network automation (Python, Ansible, Terraform, APIs, GitHub, CI/CD) Develop engineering standards, reference architectures, and deployment frameworks Lead security remediation, vulnerability management, and compliance-driven enhancements
Key requirements:
12+ years of enterprise network engineering experience Hands-on expertise with Arista 7800 Series, Cisco Nexus, Cisco 8800 Routing Platforms Experience with L3 networking across data center, campus, WAN, Extranet, Internet Edge Deep experience with EVPN/VXLAN, Leaf-Spine, MPLS VPN, SR-MPLS, SR-TE Hybrid-cloud connectivity design across Azure, GCP, ExpressRoute, Cloud Interconnect, private WAN Automation proficiency with Python, Ansible, Terraform, GitHub, APIs, IaC frameworks Proven success delivering large-scale upgrades, transformations, and modernization Strong packet analysis and troubleshooting with Wireshark and telemetry tools Knowledge of network resiliency, high availability, disaster recovery, fault isolation Excellent cross-functional collaboration skills Preferred: experience in financial services, latency-sensitive environments Industry certifications (CCNP/CCIE Enterprise, Arista ACE, Google Professional Cloud Network Engineer) or equivalent strong communication collaboration across engineering, security, cloud, application teams ability to lead during critical incidents Arista 7800 Series Cisco Nexus Cisco 8800 Routing Platforms