Tech Lead - Global Offices Network

• Lead the global networking team in implementing and sustainably supporting infrastructure across multi-site offices.

• Provide technical direction and mentorship to engineers at different levels, supporting their technical and professional growth.

• Define and evolve standards and reference architectures for office LAN, WLAN, WAN, internet edge, firewalls, NAC, segmentation, and observability.

• Lead end-to-end network delivery for new offices, expansions, relocations, and major infrastructure changes, from design through launch and operational handover.

• Own technical designs covering IP addressing, VLANs, routing, wireless, carrier connectivity, resiliency, firewall zones, and enterprise-service access.

• Operate and improve Aruba, Cisco, Palo Alto, SD-WAN, NAC, VPN, and related network platforms.

• Lead complex incidents and escalations, including troubleshooting, root-cause analysis, postmortems, and reliability improvements.

• Maintain monitoring, alerting, capacity planning, lifecycle management, runbooks, rollback plans, and operational handovers for global office infrastructure.

• Drive vulnerability remediation, security-control implementation, audit evidence, and clear RACI definitions across infrastructure operations.

• Coordinate technical work with vendors, carriers, data-center teams, security teams, facilities partners, and other cross-functional stakeholders.

• Run team rituals and coordinate initiatives from ideation through final launch in partnership with peers.

• Promote automation, accurate documentation, knowledge sharing, and AI-enabled practices that reduce operational silos and improve service quality.

• Experience designing, implementing, and operating enterprise or office networks across multiple sites.

• Hands-on knowledge of LAN, WLAN, WAN, routing, switching, VLANs, IP addressing, DNS/DHCP, and network resiliency.

• Experience designing and operating enterprise firewalls, segmentation, access policies, certificates, firmware, VPNs, and secure network controls.

• Experience with wireless design, RF analysis, access-point planning, authentication, and troubleshooting.

• Experience leading infrastructure projects involving multiple teams, locations, vendors, and physical dependencies.

• Experience with monitoring, alerting, incident response, troubleshooting, post-incident reviews, and reliability improvement.

• Understanding of vulnerability management, audit requirements, security controls, and ownership models such as RACI.

• Experience providing technical direction while remaining comfortable with hands-on implementation and troubleshooting.

• Experience communicating technical decisions, managing stakeholders, documenting systems, and collaborating asynchronously across teams.

• Experience using AI agent-orchestration tools or solutions, such as Claude Code, Cursor, or Gemini, to improve engineering productivity or infrastructure operations.

• Experience with Aruba technologies, such as Aruba Central or Aruba ClearPass; Cisco switching; Palo Alto; Fortinet SD-WAN; or IPsec.

• Experience with application delivery controllers, such as F5 BIG-IP or similar platforms.

• Experience with DDI management platforms, such as Infoblox.

• Experience with Prometheus, Grafana, centralized logging, infrastructure as code, or network automation practices.

• Experience delivering new-office, relocation, data-center interconnection, carrier-management, or large-scale workplace-network programs.

• Experience working across international locations and adapting designs to local carrier, building, power, regulatory, and facilities constraints.

• Relevant networking or security certifications, or equivalent practical experience.

• São Paulo, Brazil

• Campinas, Brazil

• Rio de Janeiro, Brazil

• Belo Horizonte, Brazil

• Chance of earning equity at Nubank

• Food/Meal Card (Vale-Refeição and/or Vale-Alimentação)

• Public Transportation Commuting Benefit (Vale-Transporte)

• NuCare - Psychological, Financial and Legal Assistance Program

• Life Insurance

• Medical Plan

• Dental Plan

• NuLanguage - Language Course Program

• Nucleo - Our learning platform of courses

• Extended Parental Leave

• Daycare Allowance

• Parental Consultancy

• Work-from-home Allowance

• Gym Partnerships

• 30 days of paid vacation

• Relocation Assistance Package, if applicable

Hybrid 2-3 times/week: Our hybrid work model brings us to the office at least twice a week, on strategic days designed to maximize team connection and collaboration. For more details, visit https://building.nubank.com/nu-hybrid-work-model/ Explore how we build technology at Nubank:

• building.nubank.com.br

• YouTube

• Spotify

Our recruitment process may involve the use of artificial intelligence-enabled tools, such as automated interview transcription and analysis, to support the evaluation process. Artificial intelligence is not used to make final hiring decisions; all decisions are made by human reviewers.

To maintain a consistent and fair process for every candidate, Nu does not provide individualized technical feedback. See how our policy works here