Senior IT Engineer – Global Offices Network

About Us

Nu is one of the largest digital financial platforms in the world with more than 127 million customers across Brazil Mexico and Colombia. Guided by our mission to fight complexity and empower people we are redefining financial services in Latin America and this is still just the beginning of the purple future were building.

Listed on the New York Stock Exchange (NYSE: NU) we combine proprietary technology data intelligence and an efficient operating model to deliver financial products that are simple accessible and human. Our impact has been recognized by global rankings such as Time 100 Companies Fast Companys Most Innovative Companies and Forbes Worlds Best Bank.
Learn more about our career opportunities here.

About the Role

We are looking for a Senior IT Engineer to design implement and operate our global office and data center network. In this role you will own the connectivity and performance of Nus physical locations ensuring that our offices and data centers are reliable secure and ready to support our next waves of growth.

You will work on routing switching wireless security and observability across our global stack leading key initiatives such as new office rollouts critical connectivity improvements and the evolution towards Infrastructure as Code (IaC). You will be part of the Global Offices Network team working closely with peers in Connectivity Security and Workplace to provide a seamless experience for Nubankers worldwide.

What Youll Be Responsible For

Network & Connectivity

• Design implement and support enterprise network infrastructure for offices and data centers including routing switching and wireless.
• Maintain and evolve highavailability data center fabrics (e.g. spineandleaf topologies with Juniper/Cisco hardware).
• Ensure robust connectivity between offices and data centers including WAN and SDWAN solutions focusing on performance reliability and scalability.

Wireless Load Balancing & Security

• Configure and support wireless networks (controllers and access points) with strong experience in vendors such as Aruba and Cisco.
• Operate and tune load balancers (e.g. F5 including DNS/ZoneRunner concepts) to guarantee optimal application delivery and resilience.
• Collaborate with security teams on NextGeneration Firewalls (e.g. Palo Alto Fortinet) and cloud security brokers (e.g. Zscaler) in a securityfirst network design.

Automation IaC & Observability

• Drive the transition away from manual configuration towards Infrastructure as Code (IaC) using tools such as GitHub Terraform and/or Ansible.
• Implement and maintain network performance monitoring and observability using tools like PRTG Prometheus Grafana SolarWinds or similar ensuring proactive detection and resolution of incidents.
• Manage PKI-related activities including SSL/TLS certificate lifecycle and ensuring secure encrypted communications across services and endpoints.

Delivery & Collaboration

• Lead or colead new office implementations and major network changes coordinating with Workplace Connectivity and other partner teams.
• Act as a technical reference for incident response and problem management in critical networking issues helping restore services quickly and preventing recurrences.
• Document architectures runbooks and standards helping scale knowledge across the team.
• Mentor more junior engineers and collaborate in a multilevel team (IC6 IC5 IC3 IC4) to continuously improve how we operate our global infrastructure.

We Are Looking for a Person Who Has

• 5 years of experience in enterprise networking or infrastructure engineering working with critical environments (e.g. large offices data centers or missioncritical operations).
• Strong handson experience with routing and switching ideally using vendors such as Cisco and/or Juniper.
• Experience implementing and supporting wireless networks especially with Aruba and/or Cisco wireless solutions.
• Solid experience operating network monitoring and performance tools (e.g. PRTG SolarWinds Prometheus Grafana or similar) in production environments.
• Experience with load balancers (e.g. F5) and DNSrelated components (e.g. ZoneRunner or equivalent).
• Exposure to network security components such as enterprise firewalls and/or security brokers and comfort collaborating with security teams in a securityfirst posture.
• Experience with or strong interest in Infrastructure as Code (IaC) and automation for network configuration and lifecycle management (e.g. GitHub Terraform Ansible).
• Ability to lead initiatives and coordinate teams during new office rollouts complex changes and incident response.
• Strong problemsolving skills ownership mindset and ability to work in crossfunctional multicultural teams.
• Intermediate English (spoken and written) with the ability to participate in meetings and collaborate with global teams.

Nice to Have

• Familiarity with Zero Trust network concepts and securitydriven networking.
• Experience with cloud networking (e.g. connectivity to public clouds) and hybrid environments.
• Experience with security mindset and encryption topics (e.g. secure protocols network segmentation) even if not your primary specialization.
• Prior experience in distributed or global organizations.

Location

This opportunity is based in Brazil with a strong preference for candidates who can work from our offices in:

• Rio de Janeiro Brazil
• Belo Horizonte Brazil

You will be part of the Brazil Global Offices Network team and collaborate with colleagues in other locations as needed.

Our Benefits Brazil

For employees based in Brazil we offer:

• 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

This role follows our hybrid work model. Our hybrid work model brings us to the office at least 23 times per week on strategic days designed to maximize team connection and collaboration. For more details visit our article about Nus hybrid work model.

Learn More About How We Build Technology at Nu

• to our stories on Spotify