Job Description 

We are looking for a SPEI engineer with experience in delivery and operation of IT infrastructure for small (<US$1M / <50VMs) and large scale (>US$10M/ >1000VMs) servers Infrastructure in private clouds (VMware &/OpenStack) and in Public Clouds (AWS, Azure, Google Cloud) delivering automation at the operational level and also for the monitoring of infrastructure who has participated in the project HLD/ LLD, hardware, IaaS, PaaS, SaaS installation, application commissioning, network integration, interoperability tests, acceptance tests procedures. (ATPs).

Experience in Operation & Maintenance during the commercial stage in large IT infrastructure for production environments using Linux and working also with the infrastructure network, storage and virtualization with a DevOps culture and SRE approach.

Responsible for services SLO and system availability, latency, performance, efficiency, change management, monitoring, emergency response, and capacity planning.

Why are SPEI Engineers important to Nubank?

Just like Nubank is customer-focused, our team also aims to offer the best experience and solutions for all everyday issues and tasks. And who are our customers? All Nubankers.

Our team is responsible for delivering automation at the operational level and also for the monitoring of infrastructure. We work directly to make the experience of Nubankers more comfortable. We also use resources from different chapters and squads within the ITOps tribe and all of Nubank to make our work more efficient.

We also gather metrics to ensure the decisions we make are the right ones, always keeping an eye at the root cause so that we can provide a unique solution.

Desired Skills and experience

  • Hands-on experience working in any UNIX/Linux environment
  • Experience reading and programming scripting languages such as Bash/Shell or Python to automate tasks
  • Experience working with and building production-ready highly-secure applications and services to internal customers
  • Strong knowledge of version control systems like Git (Github, Gitlab)
  • Experience working with monitoring systems (like: New Relic, Prometheus, Telegraf, Grafana, CheckMK, Splunk, Alert Manager).
  • Basic Knowledge of Infrastructure as Code methodologies and tools for configuration management (such as Ansible, Puppet, Chef)
  • Knowledge of automated installation and implementation of end-user settings for Ubuntu and MacOS devices
  • Experience deploying and configuring applications and tools in AWS-Cloud and VMWare
  • Knowledge of CI/CD pipelines
  • Experience working with global teams and supporting customers remotely
  • Experience working with High-Availability and High-Scalability systems in a production environment
  • Solid understanding of basic networking concepts such as the OSI Model, TCP/IP Model, VLANs, STP, ARP, ACL, SNMP, NAT, OSPF, BGP, TCP/UDP, static and dynamic routing.
  • Security knowledge (like stateful firewalls, IPsec VPN, SSL, VPN, Security Rules)
  • Experience configuring and troubleshooting network equipment
  • Experience with CCNA Routing and Switching or Enterprise
  • Being able to communicate efficiently in English and Spanish
  • Knowledge of Scrum/Kanban Agile methodologies
  • Experience working with Atlassian tools like Confluence, Jira, OpsGenie
  • Knowledge in Routing and Switching.
  • Follow-up on incidents and schedule availability.
Nice to have
  • Windows environments experience.
  • Experience deploying and managing Web Servers such as Apache or Nginx.
  • Experience working with and building production-ready REST APIs.
  • Knowledge of Apple MDM tools (like Mosyle, JAMF)
  • Knowledge of Docker (Containers, clusters, orchestrators)
  • Knowledge of SQL and NoSQL Databases
  • Experience at CISCO, Fortinet and Juniper Technologies
  • Knowledge of high-level scripting languages (e.g. Python, Go, Clojure, Bash)
  • Experience in Cisco, Juniper and Fortinet
  • You will be a great fit if you believe in the main intrinsic values of culture in Nubank, such as:
  • You like solving problems putting the customer at the center and also having an understanding of how your work decisions can impact other Nubankers, believing that technology can create incredible opportunities.
  • You like working with people and are flexible with people from different backgrounds, with ability to deliver despite ambiguity, changing expectations, deadlines, and always consider that there’s more than one way to make something cool.
  • Appreciating and taking care of little details, showing curiosity, disposition to learn new skills quickly and having the will of taking on technologies with a high learning-curve.
  • Encouraging your colleagues and influencing them to get things done.
  • Genuinely caring for a strong work ethic and dedication to truth in making decisions that put what's best for the company ahead of personal and/or team needs.
  • Always looking for solutions that will last, aiming to collaborate well, communicate well, being open and inclusive, not tolerating demonstrations of uncool behaviors.
  • Knowing what your limits are, demonstrating a realistic sense of your own strengths and weaknesses, with a low ego, non-defensive openness when giving or receiving feedback, always trying to be authentic and taking advantage of the situation to improve as a person and professional.
  • Seeking critical thinking to diagnose problems at the root cause by solving practical, simple and scalable solutions to problems.
As a new team member you will support the Infrastructure department and help the company achieve our objectives. The engineer must have the flexibility to adapt fast and change the focus on different objectives as needed. We want to develop a multi purpose engineer with the knowledge necessary to meet the stakeholders various changing objectives.


  • A competitive compensation package, including the opportunity to earn equity ownership in Nubank.

  • 15 days paid vacation per year.

  • 1-month salary year-end bonus “aguinaldo”.

  • Food allowance “vales de despensa”.

  • Health insurance & Dental plan.

  • Life insurance.

Diversity and Inclusion at Nu

We want to build products and experiences for everyone who wants to take back control over their finances, that's why we build strong and diverse teams that rise up to the challenge.  We are a team of the most creative people in technology, and we hire under equal opportunity, irrespective of gender, ethnicity, religion, sexual orientation or background. We are proud to say that 30% of Nu recognize themselves as part of the LGBTQ+ community, and 40% of our team identify as women, in all positions and seniority levels. We are a very process-light organization that values human interactions, and that is a very important part of our culture. At Nu, everyone has the opportunity to speak up and participate, grow and share ideas.

Apply for this Job

* Required

resume chosen  
(File types: pdf, doc, docx, txt, rtf)
cover_letter chosen  
(File types: pdf, doc, docx, txt, rtf)