Senior Systems Engineer - Cloud Network - BR - 2026

About Nu Nu is the leading digital bank in Latin America, serving 135 million customers across Brazil, Mexico, and Colombia. The company has been leading an industry transformation by leveraging data and proprietary technology to develop innovative products and services. Guided by its mission to fight complexity and empower people, Nu caters to customers’ complete financial journey, promoting financial access and advancement with responsible lending and transparency. The company is powered by an efficient and scalable business model that combines low cost to serve with growing returns. Nu’s impact has been recognized in multiple awards, including Time 100 Most Influential Companies, Fast Company’s Most Innovative Companies, and Forbes World’s Best Banks. Visit our Institutional Page You'll be responsible for As a Senior Systems Engineer working in a Cloud Network platform engineering team, you're expected to: Have solid troubleshooting and debugging skills with a passion for working creatively and analytically in a problem-solving environment with continuous improvement; Have familiarity with DevOps culture; Have the ability to analyze complex data and develop innovative solutions; Validate ideas and collaborates with in-house engineers and developers to promote creative solutions; Have familiarity with buy vs build approaches, evaluating new products and technologies; Execute high-level and low-level design for connectivity patterns for cloud network environments, considering multi-account and hybrid-cloud needs; Have experience with system administration (familiarity with Linux OS, scripting) and Infrastructure as Code tools; Have coding skills or interest to learn software development; Have previous PCI CSS experience or a similar security standard, considering the network security aspects of it; Support the Cloud Network topology, including troubleshooting incidents promptly, handling network changes, and participating in problem management processes including root cause analysis, and configuration management; Provide a reliable and stable infrastructure via best practices, standards, simplified support models, automated processes, operational excellence, and outstanding customer satisfaction; Have the ability to be data-driven before committing to a solution, taking relevant aspects like stability, reliability, scalability, and costs into account; Effective monitoring, implement a robust control and delivery of solutions services to identify issues proactively within the agreed SLAs using different methodologies, tools, and processes; Have the ability to document the solutions for cross-teams knowledge sharing; We Are Looking for a Person Who Has: Bachelor's degree in Computer Engineering, Systems Analysis and Development, or a related technical field. CCNP certification or equivalent experience, meaning you are comfortable designing, building, implementing, maintaining, and troubleshooting complex networking infrastructures. 2+ years of hands-on experience in infrastructure automation and cloud computing (AWS public cloud preferred), focused on AWS networking services. 2+ years of experience in planning, deploying, and troubleshooting network solutions (including IP addressing planning, BGP routing, and physical devices such as firewalls, load balancers, routers, and switches). English proficiency, with the ability to read, write, and participate in meetings. You'll Fit Well If You Have: Leadership and a collaborative mindset—the ability to work with team members regardless of seniority level. Strong communication skills with both technical and non-technical audiences, a willingness to share knowledge, and openness to feedback. The ability to collaborate with customers when necessary to fulfill deliverables. Proficiency in English to facilitate clear and consistent understanding across time zones and language boundaries. A nonconformist, questioning, and innovative approach to problem-solving. The ability to move fast without compromising quality. An analytical profile—capable of identifying failures and proposing effective solutions. 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/ 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.