Cisco Network Architect

Top Prospect Group
Watertown, United States of America
2 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior

Job location

Watertown, United States of America

Tech stack

Border Gateway Protocol
Cisco IOS
Complex Networks
Computer Security
Computer Networks
Data Centers
Enhanced Interior Gateway Routing Protocol
Fault Tolerance
Hot Standby Router Protocol
Internet Group Management Protocols
Virtual Private Networks (VPN)
Python
Network Security
Multicasting
Network Architecture
Network Planning and Design
Cisco Nexus Switches
Open Shortest Path First
Ansible
TCP/IP
Virtual Local Area Networks
Virtual Router Redundancy Protocols
Wide Area Networks
Load Balancing
Nx-os
System Availability
Technical Debt
Amazon Web Services (AWS)
Data Center Networking
Low Latency
Routing & Switching
Firewall Services Module
Open Network Automation Platform
Cisco networks

Job description

The Senior/Lead Cisco Network Engineer is responsible for the design, implementation, and support of highly available, low-latency network infrastructure supporting trading, market data, risk, and back-office systems. This role operates in a mission-critical financial services environment, where network stability, performance, and security directly impact trading outcomes.

The engineer serves as a technical leader and escalation point, driving network architecture decisions, mentoring junior engineers, and partnering closely with trading, systems, security, and application teams. Key Responsibilities Network Architecture & Engineering

  • Design, deploy, and maintain enterprise and low-latency Cisco network architectures
  • Lead LAN/WAN, data center, and campus network design initiatives
  • Engineer solutions for high availability, redundancy, and fault tolerance
  • Support latency-sensitive trading and market data environments
  • Routing & Switching: Cisco IOS/IOS-XE, NX-OS
  • Protocols: BGP, OSPF, EIGRP, HSRP/VRRP, STP
  • Data Center Networking: Cisco Nexus (5K/7K/9K), vPC
  • Load balancing and traffic engineering (where applicable)
  • Support Real Time trading platforms, FIX gateways, and market data feeds
  • Troubleshoot packet loss, jitter, and latency issues under time-critical conditions
  • Partner with application and systems teams to resolve end-to-end performance issues
  • Participate in on-call rotations and rapid incident response during market hours

Network Security & Compliance

  • Implement and enforce network security standards and segmentation
  • Support regulatory and audit requirements (SEC, FINRA, SOC, SOX)
  • Manage Firewall rules, VPN connectivity, and secure remote access
  • Collaborate with InfoSec teams on threat mitigation and incident response

Automation & Operational Excellence

  • Automate network provisioning and configuration using Python, Ansible, or similar tools
  • Develop standard configurations, templates, and runbooks
  • Improve monitoring, alerting, and proactive detection of network issues
  • Drive continuous improvement and technical debt reduction
  • Act as senior escalation point for complex network issues
  • Mentor junior and mid-level network engineers
  • Provide architectural guidance and technical leadership
  • Communicate clearly with traders, engineers, and leadership

Requirements

  • 7+ years experience in enterprise networking, with strong Cisco focus
  • Deep expertise in:Cisco routing and switching
  • BGP, OSPF, VLANs, TCP/IP
  • Cisco Nexus and data center networking
  • Experience supporting 24x7 production environments
  • Strong troubleshooting skills under pressure
  • Excellent documentation and communication skills
  • Experience in financial services, trading, hedge funds, or broker-dealer environments
  • Knowledge of multicast (PIM, IGMP) for market data
  • Network automation and DevNet experience

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