Senior Network Engineer

Job Description

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.

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Key Responsibilities

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

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• 7+ years of experience in LAN/WAN/MAN management, preferably in financial services.
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• Strong expertise with Cisco switching/routing (IOS XE, IOS XR, Nexus OS) and routing protocols (BGP, EIGRP, OSPF, VPC).
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• 7+ years with Cisco ASA/FTD and Palo Alto firewalls.
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• 5+ years in VoIP/mixed TDM environments and supporting IPC turrets.
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• Knowledge of VPNs, load balancers (Citrix NetScaler), and secure access solutions.
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• Data center management experience, including cabling and infrastructure.
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• Strong troubleshooting and project management skills with ability to work off-hours as needed.
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• Excellent communication and customer service orientation.
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• Ability to lift up to 50 pounds.
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Preferred Qualifications

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• CCIE Voice, CCIE Routing & Switching, or related Cisco certifications.
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• IPC Level 1 Certification or Cisco VoIP/Security/Data Center training.
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• Hands-on experience with network automation tools.
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• Experience supporting trading floor environments.
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