NubankTech Lead - Global Offices Network
Nubank is hiring a Tech Lead - Global Offices Network in São Paulo, Brazil. Level rates it ; you can apply on Nubank.
Level's read on this job
- Uses AI ●●○○ is how Level rates this role: an ordinary role that requires AI tools.
- Some of the work can be done remotely, according to the posting.
- The posting mentions Claude, Gemini and Cursor among its tools and skills.
- Nubank has 97 other open roles on Level.
- Posted within the past two weeks.
AI in this role
Tech Lead for Global Offices Network to manage secure and scalable connectivity using network platforms and agent-orchestration tools.
Nu serves more than 140 million customers, guided by a mission to fight complexity and empower people. The company has been leading an industry transformation through innovative products and human-centered services.
Proprietary technology and data at scale power Nu’s digital platform, built to promote financial access, advancement, and transparency. Its business model thrives on customer love and lower costs, feeding a flywheel of growth and profitability.
Visit our Institutional Page
About the role
The Global Offices Network team enables secure, reliable, and scalable connectivity for Nubank offices worldwide. As Tech Lead, Global Offices Network, you will provide hands-on technical leadership for the end-to-end direction of office networks—from architecture and carrier connectivity to implementation, monitoring, incident response, lifecycle management, and continuous improvement.
You will lead complex technical decisions and delivery across multiple locations, coordinate internal and external partners, and raise the engineering standard through clear ownership, documentation, automation, and knowledge sharing. You will also work directly with AI solutions and agent-orchestration tools to improve infrastructure operations with greater agility and scalability.
You'll be responsible for
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.
We are looking for a person who has
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.
It would be great if you also 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 carrier, building, power, regulatory, and facilities constraints.
Relevant networking or security certifications, or equivalent practical experience.
Location for this opportunity
São Paulo, Brazil
Campinas, Brazil
Rio de Janeiro, Brazil
Belo Horizonte, Brazil
Our 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
Work-from-home Allowance
Gym Partnerships
30 days of paid vacation
Relocation Assistance Package, if applicable
Work Model for this Role
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:
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
How we rate this
Tech Lead - Global Offices Network at Nubank rates 45 out of 100 for how much of the daily work is AI. That makes it Uses AI (AI Level 2 of 4). The level is about AI in the job, not seniority.
Uses AI. An ordinary role that requires AI tools.
- ●●●● Builds AI80 to 100
- ●●●○ Works on AI60 to 79
- ●●○○ Uses AI40 to 59
- ●○○○ Little AI0 to 39
Levels come from how often the tools, models and workflows of the role are named in the posting itself. Read the description and count the AI tools, models and workflows it names.
Prepare for this job
Built from this posting and from similar jobs on Level.
Skills and AI tools this role asks for
Questions you could be asked
- How do you decide when an AI agent can act on its own versus asking for approval first?
- Tell me about a project where networking was part of your work. What did you do?
- Tell me about a project where infrastructure was part of your work. What did you do?
- Tell me about a project where automation was part of your work. What did you do?
- Tell me about a project where incident management was part of your work. What did you do?
Adapt your resume
- List these exact terms on your resume: AI agents, Networking, Infrastructure, Automation, and Incident Management. An applicant tracking system matches the wording, not the idea.
- Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.
- Put the AI tool in a bullet point about what you did, not just in a skills list. This role treats it as a required part of the job.
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