Tech Lead - Global Offices Network

The role

You will provide hands-on technical leadership for the end-to-end direction of office networks. This includes architecture, carrier connectivity, implementation, monitoring, and continuous improvement for global offices.

What you will do

• Lead the global networking team in implementing and supporting infrastructure across multi-site offices.
• Provide technical direction and mentorship to engineers.
• Define and evolve standards and reference architectures for office networks.
• Lead end-to-end network delivery for new offices, expansions, and relocations.
• Own technical designs covering IP addressing, VLANs, routing, wireless, and firewalls.
• Operate and improve Aruba, Cisco, Palo Alto, SD-WAN, NAC, and VPN platforms.
• Lead complex incidents, troubleshooting, and root-cause analysis.
• Maintain monitoring, alerting, capacity planning, and lifecycle management.
• Drive vulnerability remediation and security-control implementation.
• Coordinate technical work with vendors, carriers, and cross-functional stakeholders.

Required qualifications

• 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, such as Claude Code, Cursor, or Gemini, to improve engineering productivity or infrastructure operations.

Nice to have

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

Benefits

• 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

Before you apply

• Recruitment process may involve the use of artificial intelligence–enabled tools
• Nu does not provide individualized technical feedback

About the company

Nu serves more than 140 million customers with a mission to fight complexity and empower people. The company uses proprietary technology and data at scale to power its digital platform.