Network Operations Analyst

Cantor Fitzgerald Securities

$160K — $170K *
Finance & Insurance
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Cisco CCNP Routing & Switching certification required.
  • JNCIA-Junos certification is a must.
  • Wireless networking certification (e.g., CWNA or equivalent) needed.
  • Strong knowledge of Junos OS and Cisco IOS configuration and monitoring.
  • Hands-on experience with EIGRP, OSPF, and BGP routing protocols is essential.
  • Familiarity with Palo Alto firewalls and F5 load balancers sought.
  • Proficient in Python, Ansible, or similar scripting/automation tools required.
  • Experience in a high-volume financial trading environment crucial.

Responsibilities

  • Deliver network support and resolve incidents within business recovery targets.
  • Lead root-cause analysis for outages and recommend corrective actions.
  • Provide technical assistance and mentorship to junior staff members.
  • Execute project tasks for new installations and platform refreshes.
  • Develop and maintain network automation scripts and AI-based tools.
  • Create and update infrastructure documentation and design diagrams.
  • Maintain and enhance enterprise monitoring solutions, reviewing new tools.
  • Participate in on-call rotation and weekday shift rota for support coverage.
  • Perform additional duties such as data-center visits and network audits.

Benefits

  • Opportunity to work in a highly available global financial network.
  • Engagement in automation and AI-driven problem-solving initiatives.
  • Involvement in infrastructure design and implementation projects.
  • Mentorship opportunities for career growth and development.
  • Rotating on-call responsibilities providing hands-on experience in diverse scenarios.
Full Job Description
Job Description

The Network Operations Analyst will deliver first-, second-, and third-line technical support, maintenance, and monitoring of Cantor International Services Limited's highly available global financial network. The role blends day-to-day troubleshooting with automation initiatives, AI-driven problem solving, and participation in infrastructure design and implementation projects across data-center and enterprise environments.

Responsibilities

  • Deliver day-to-day network support and resolve incidents within business recovery targets.
  • Lead root-cause analysis for internal and customer outages and recommend corrective actions.
  • Provide technical assistance to other teams and mentor junior staff.
  • Execute project tasks such as new installations, platform refreshes, and service turn-ups (CDN, VPN, Extranet).
  • Develop and maintain network automation scripts and AI-based tools to reduce manual effort.
  • Create and update infrastructure documentation, design diagrams, and service review reports.
  • Maintain and enhance enterprise monitoring solutions, reviewing new tools and practices.
  • Implement BAU changes (break-fix, moves, adds, changes) following the change management process.
  • Participate in on-call rotation (including weekends) and a weekday shift rota covering 08:00-16:00 or 12:00-20:00 GMT.
  • Perform ad-hoc duties such as data-center visits, network audits, and power-maintenance support.


Qualifications

  • Cisco CCNP Routing & Switching certification.
  • JNCIA-Junos certification.
  • Wireless networking certification (e.g., CWNA or equivalent).
  • Strong fundamentals in Junos OS and Cisco IOS configuration and monitoring.
  • Hands-on experience with routing protocols (EIGRP, OSPF, BGP) and route manipulation.
  • Knowledge of Palo Alto firewalls and F5 load balancers from implementation to operation.
  • Proficiency in scripting/automation using Python, Ansible, or similar tools.
  • Demonstrated experience in a high-volume, high-availability financial trading environment.
  • Experience designing, installing, and supporting enterprise Wi-Fi (Extreme Networks a plus).
  • Creative, curious approach to applying AI tools for network operations and troubleshooting.

Compensation Expextations: $160,000 - $170,000 Total Comp

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