Senior Systems Engineer – Cloud Network

Nubank

Senior Cloud Network Engineer designing secure, automated connectivity for Nu, Latin America’s leading digital bank. Supporting AWS infrastructure, hybrid-cloud networking, incident management, monitoring, and operational excellence.

Posted 8/12/2026full-timeSão Paulo • 🇧🇷 BrazilSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Cloud Network Infrastructure, including troubleshooting, automation, and design for multi-account and hybrid-cloud environments. Proficient in network security standards and capable of delivering reliable solutions through data-driven analysis and documentation.

Highest-signal resume keywords

CCNP CertificationAWS Cloud ComputingInfrastructure AutomationNetwork TroubleshootingInfrastructure as Code

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Cloud Network TroubleshootingNetwork DesignIP Addressing PlanningBGP RoutingFirewallsLoad BalancersRoutersSwitchesLinux OS FamiliarityScripting

Soft Skills

CollaborationProblem SolvingData AnalysisDocumentation

Tools & Technologies

Infrastructure as Code ToolsAWS Networking Services

Certifications & Qualifications

CCNP Certification

Industry Keywords

Cloud NetworkMulti-Account EnvironmentsHybrid-CloudPCI CSSDevOps Culture

Tech Stack

Tools & technologies

AWSCloudFirewallsLinux

About the role

Key responsibilities & impact

Troubleshoot and debug Cloud Network platform issues and continuously improve solutions
Validate ideas and collaborate with in-house engineers and developers
Evaluate buy-versus-build approaches, products, and technologies
Execute high-level and low-level designs for cloud network connectivity patterns across multi-account and hybrid-cloud environments
Support Cloud Network topology, troubleshoot incidents, handle network changes, and participate in problem management, root cause analysis, and configuration management
Provide reliable and stable infrastructure using best practices, standards, simplified support models, automation, operational excellence, and customer satisfaction
Use data-driven analysis to evaluate stability, reliability, scalability, and costs before committing to solutions
Implement monitoring and robust control and delivery processes to identify issues proactively within agreed SLAs
Document solutions for cross-team knowledge sharing

Requirements

What you’ll need

Bachelor's degree in Computer Engineering, Systems Analysis and Development, or a related technical field
CCNP certification or equivalent experience designing, building, implementing, maintaining, and troubleshooting complex networking infrastructures
2+ years of hands-on experience in infrastructure automation and cloud computing, preferably AWS public cloud and AWS networking services
2+ years of experience planning, deploying, and troubleshooting network solutions
Experience with IP addressing planning, BGP routing, firewalls, load balancers, routers, and switches
System administration experience, including familiarity with Linux OS and scripting
Experience with Infrastructure as Code tools
Coding skills or interest in learning software development
Previous PCI CSS experience or a similar security standard, including network security aspects
English proficiency sufficient to read, write, and participate in meetings
Familiarity with DevOps culture
Ability to analyze complex data and develop innovative solutions
Ability to document solutions for cross-team knowledge sharing

Benefits

Comp & perks

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