Senior Network Engineer

We are seeking an experienced Senior Network Engineer to join our IT Infrastructure team in a dynamic, fast-paced financial environment. This role is responsible for designing, implementing, and maintaining a secure, scalable, and high-performing network that supports critical business operations. You’ll work closely with the Network Manager and IT teams, ensuring continuous uptime and optimal performance across the firm’s network and voice systems., * Administer, design, and maintain enterprise network infrastructure (routers, switches, firewalls, wireless solutions).

• Provide 24x7 support and serve as Level 2/3 escalation for IT teams and IPC turret systems.
• Configure and optimize firewalls (Cisco ASA/FTD, Palo Alto) and manage VPNs, load balancers, and remote access solutions.
• Monitor, troubleshoot, and improve network performance using industry tools (e.g., SolarWinds).
• Collaborate on integration of network solutions with cloud platforms (e.g., Microsoft Azure).
• Lead and support network, telephony, and data center projects, including moves/adds/changes.
• Maintain vendor relationships, telecom circuits, and market connectivity.
• Support Cisco Unified Communications, AV systems, and IPC turret environments.
• Develop documentation for network processes, configurations, and troubleshooting.
• Stay current on emerging technologies and security practices to enhance infrastructure resilience.

• 7+ years of experience in LAN/WAN/MAN management, preferably in financial services.
• Strong expertise with Cisco switching/routing (IOS XE, IOS XR, Nexus OS) and routing protocols (BGP, EIGRP, OSPF, VPC).
• 7+ years with Cisco ASA/FTD and Palo Alto firewalls.
• 5+ years in VoIP/mixed TDM environments and supporting IPC turrets.
• Knowledge of VPNs, load balancers (Citrix NetScaler), and secure access solutions.
• Data center management experience, including cabling and infrastructure.
• Strong troubleshooting and project management skills with ability to work off-hours as needed.
• Excellent communication and customer service orientation.
• Ability to lift up to 50 pounds., * CCIE Voice, CCIE Routing & Switching, or related Cisco certifications.
• IPC Level 1 Certification or Cisco VoIP/Security/Data Center training.
• Hands-on experience with network automation tools.
• Experience supporting trading floor environments.