Network Engineer

Cantor Fitzgerald; Warszawa; Hybrid; PLN 223,000 - 335,000; Full time

Job summary

Cantor Fitzgerald in Warsaw seeks a Network Engineer / Network Operations Analyst to maintain a highly available global financial network. You will provide multi‑level support, contribute to infrastructure design, and help implement secure, scalable connectivity across data centers and remote sites.

The ideal candidate has 5+ years in a high‑volume trading environment, strong Cisco/Junos skills, and experience with firewalls and load balancers.

Qualifications

• 5+ years as a senior network engineer in a high-volume, high-availability financial trading environment.
• Experience delivering and supporting wireless networks.
• Exposure to multi-team and multi-vendor infrastructure environments.

Responsibilities

• Provide day-to-day network support and troubleshooting.
• Contribute to root cause analysis for outages and recommend resolutions.
• Deliver projects and tasks including new installations, platform refresh/redesign (Data Center & Enterprise).
• Turn up services for third parties (CDN, Extranet, VPN).
• Maintain infrastructure hygiene (code upgrades, hardware replacement).
• Implement and operate Palo Alto firewalls and F5 load balancers.
• Drive continuous service improvement and network automation.
• Document infrastructure procedures and update design documentation.
• Manage enterprise monitoring solutions and review new tools.
• Implement BAU changes following change management processes.
• Attend data centers and remote sites for maintenance and audits.
• Participate in shift patterns and on-call support (including weekends).

Skills

Junos OS fundamentals

Cisco IOS fundamentals

Routing protocols

Wi-Fi networking principles

Strong communication

Education

Cisco CCNP Routing & Switching

Wireless foundational certifications

Tools

Job description

Cantor Fitzgerald L.P., founded in 1945, is a premier global financial services and technology firm with a presence in over 30 countries and more than 14,000 employees worldwide. Renowned for innovation, scale, and deep expertise across capital markets, Cantor delivers cutting-edge solutions to institutional clients including banks, hedge funds, trading firms, and corporations.

As one of the few remaining private partnerships on Wall Street, Cantor combines entrepreneurial agility with long-term vision—offering leadership in Equity and Debt Capital Markets, Sales & Trading, SPAC underwriting, Structured Products, Prime Brokerage, Asset Management, and Commercial Real Estate Services. Together with BGC Group, a leading global marketplace and technology provider, we create a powerful ecosystem driving growth and stability across multiple asset classes.

If you’re looking to join a firm that values resilience, innovation, and client focus, Cantor Fitzgerald offers an exceptional platform to make an impact in shaping the future of global financial markets.

Network Engineer / Network Operations Analyst

As a Network Engineer / Network Operations Analyst, you will play a critical role in supporting and maintaining Cantor Fitzgerald’s highly available global financial network. This position requires strong technical expertise, problem-solving skills, and the ability to work in a fast-paced environment. You will provide first-to-third line technical support, contribute to infrastructure design and implementation projects, and ensure operational excellence across multiple platforms.

Key Responsibilities

• Provide day-to-day network support and troubleshooting.
• Contribute to root cause analysis for outages and recommend resolutions.
• Deliver projects and tasks including new installations, platform refresh/redesign (Data Center & Enterprise).
• Turn up services for third parties (CDN, Extranet, VPN).
• Maintain infrastructure hygiene (code upgrades, hardware replacement).
• Implement and operate Palo Alto firewalls and F5 load balancers.
• Drive continuous service improvement and network automation.
• Document infrastructure procedures and update design documentation.
• Manage enterprise monitoring solutions and review new tools.
• Implement BAU changes following change management processes.
• Attend data centers and remote sites for maintenance and audits.
• Participate in shift patterns and on-call support (including weekends).

Ideal Candidate Profile

Skills:

• Junos OS and Cisco IOS fundamentals (configuration, monitoring, maintenance).
• Routing protocols (EIGRP, OSPF, BGP), route manipulation, redistribution & filtering.Wi-Fi networking principles (design, installation, troubleshooting), preferably Extreme Networks.
• Strong communication skills and ability to multitask in a busy team environment.

Qualifications:

• Cisco CCNP Routing & Switching.
• Wireless foundational certifications.

Experience:

• 5+ years as a senior network engineer in a high-volume, high-availability financial trading environment.
• Experience delivering and supporting wireless networks.
• Exposure to multi-team and multi-vendor infrastructure environments.

Work Arrangement

• This is a hybrid role based in Warsaw, with three days per week in the office. For candidates located outside Warsaw, we are open to remote contract arrangements.
• The role is offered primarily as a permanent contract (Umowa o Pracę – UoP). B2B contracts are also available.
• Salary range: 20,000 PLN – 30,000 PLN (depending on experience and contract type)