Lead Network Engineer

Job Location: Hybrid- São Paulo; Fluency in English required

We are building out a brand-new team in our São Paulo office to support our Platform Infrastructure Engineering team and enhance the FactSet tools used by our development teams and clients. As a Lead Network Engineer, you will create impactful solutions (Unix, Windows, Networking, and/or Security) ensuring the reliability and performance of FactSet’s applications.

Job Responsibilities:

• Act as a knowledgeable resource for FactSet’s clients, vendors and internal leaders.
• Project manage business and network team initiatives.
• Configure Cisco / Arista Routers / Switches / F5 Load Balancers / Cloud Networking Services to provide solutions that successfully integrate into our clients, vendors and FactSet’s own internal networks.
• Build and maintain positive working relationships with clients and stakeholders.
• Provide expert support during network issues and troubleshoot across all network layers.
• Research, design and implement new connections to market data providers and other third parties.
• Optimize processes using templates, automation, and workflow systems.
• Lead and mentor team members, supporting them in achieving their career and project goals.
• Participate in shift rotation for Saturday & Sunday on-call coverage.

Minimum Requirements:

• BS degree in an engineering discipline or equivalent.
• 8-12 years of relevant experience.
• Fluency in English, both written and verbal.
• Comprehensive understanding of routing protocols, TCP/IP, Multicast, DNS, LAN switching, and Wireshark.
• Experience with BGP, EIGRP, router/switch architectures, and protocols like HTTP/HTTPS/DNS/DHCP/SNMP/SMTP.
• Experience in network design and implementation, particularly in financial or large enterprise networks.

Critical Skills:

• Familiarity with cloud technologies (AWS, Azure) and network automation tools (Python, Ansible).
• Knowledge of network operating systems (IOS, JunOS, Linux) and modern data center architectures.
• Strong troubleshooting skills, communication, and collaboration skills.
• Ability to manage multiple projects and prioritize tasks efficiently.
• Relevant certifications (Cisco or other vendors) and eagerness to learn new technologies