Senior Network Engineer

Nubank is a young company with a large ambition: revolutionize the lethargic financial services industry. In Brazil, since 2014 we have been actively servicing millions of clients with our mobile-controlled credit card product and digital bank account, and is the largest challenger bank in the world outside of Asia. We’re a technology-driven financial services Unicorn funded by Sequoia Capital, Founders Fund, Tiger Global, Kaszek Ventures, and QED Investors. Nubank challenges an outdated and bureaucratic system by building a simple, safe, and 100% digital environment that delights our customers.

Shipping valuable features requires dealing with distributed systems, infrastructure, monitoring and observability, platform engineering and production microservices. Our engineers commonly rotate focus on these responsibilities. We consistently work with and explore new technologies, and thus value professionals who are open to learning new things, regardless of preexisting comfort zones.

About the Position

The Senior Network Engineer will work along the Global IT Engineering team, working with infrastructure and support engineers, among others. Working in different Connectivity projects, and end-to-end accountability for the lifecycle of connectivity infrastructure of the Nubank products, i.e. Architecture & Engineering, Delivery and Support.

Key Responsibilities:

• Design customized solutions as required to support Business objectives, wherever applicable.
• Execute High Level Design and Low Level Design for Products connectivity solutions.
• Assist in development of networking architecture and Global standards including hardware/software, protocol, transport and topology standards.
• Design, build and improve peripheral network infrastructure and platform through the execution of projects and changes based on standards and reaching all quality, time, cost, scope, availability and reliability parameters.
• Support the enterprise network infrastructure, including troubleshooting incidents in a timely manner, handle network changes, participate in problem management processes including root cause analysis and configuration management.
• Provide reliable and stable infrastructure via best practices, standards, simplified support models, automated processes, operational excellence and outstanding customer satisfaction
• 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.
• Configuration, maintenance and support of network solutions for Nubank´s products, including Data Centers and 3rd Parties.
• Configuration and maintenance on network equipment multivendor and platform technologies Juniper, Cisco, F5, Fortinet, AWS, Palo Alto, and Infoblox.
• Willingness to produce documentation and written deliverables.

We are looking for a person who has
The following are considered a must:

• Strong working knowledge in L2 (Switching) protocols. STP, VLAN, LACP, Stacking, Bundle ethernet, Port security
• Strong working knowledge in Layer 3 (Routing) protocols. OSPF, IS-IS, BGP (iBGP, eBGP), IPv6, VXLAN.
• Ability to implement protocols and solutions to give Fast Convergence, Redundancy and high availability such HSRP, VRRP, VRF
• Solid experience configuring and implementing filtering secure protocols ACL, Prefix-list, Route-map, PBR, GRE, IPSEC, TLS/EAP, VPN, DMVPN
• Demonstrated knowledge/experience in WAN network environment. MPLS, L3VPN, L2VPN, MP-BGP, EVC, SD-WAN, Carrier Ethernet,
• Ability to implement network protocol services such TCP/IP, DNS, DHCP, NTP, HTTPS, SCP, FTP, SNMP, AAA, NAT, Multicast and VoIP.
• Knowledge of the principles of operation and configuration Data Center Spine-and-Leaf Architecture.
• Progressive knowledge/experience managing projects of increasing size and complexity including the utilization of project planning and project dashboard tools.
• Load-balancing (F5 Big-IP LTM/GTM) design experience and troubleshooting.
• Proficiency in configuring and managing Fortigate and PaloAlto Next Generation firewalls.
• Functional knowledge of network management/observability tools like Panorama, Prometheus/Grafana, SolarWinds, Cisco ThousandEyes, etc.
• Knowledge of Infrastructure Governance fundamentals, such as Capacity Planning, Risk & Vulnerability Management, Incident & Change management.

• Experience with developing and deploying Cluster Datacenter, Cloud HW and infrastructure.
• Scripting or programming experience using Bash, Perl, Python and automation tools such Ansible, Docket, Kubernetes
• Having active certifications in technologies such CCNA/CCNP CISCO, FORTINET, ARUBA, AWS, Juniper, HCA HCP Huawei, Palo Alto
• Hands-on experience in Mexico Financial Services Network and some of its main products, SPEI, DIMO.
• Function hands on experience of Cloud networking principals in AWS
• Knowledge and experience with key network security protocols, such as IDS/IPS, URL Filtering and SIEM.

You will fit well if

• Solid troubleshooting and debugging skills with a passion to work creatively and analytically for a problem-solving environment and continuous investigation
• Ability to analyze complex data and develop innovative solutions
• Ability to take ownership of, and focus on critical initiatives
• Strong customer, quality and results orientation
• Proven success in contributing to a team-oriented environment
• Communication, knowledge sharing, Collaboration, professionalism, teamwork and an open disposition to learn.
• Highly effective in ambiguous environment and demonstrated ability to develop clear strategies and plans with appropriately managed risks
• Consult with and develop relationships with in-house engineers and developers to promote creative solutions and improve customer satisfaction
• Ability to collaborate directly with customers and team members to fulfill deliverables
• Discuss with vendors on new product offerings, evaluate new products and technologies, recommend the selected network services or products to the leadership
• Communication proficiency in facilitating clear and consistent understanding across time zones and language boundaries.
• Chance of earning equity at Nubank
• Extended maternity and paternity leaves
• Health and life insurance
• NuCare - Our mental health and wellness assistance program
• Nucleo - Our learning platform of courses
• Holiday Bonus ("Aguinaldo") of 30 days of pay per year
• 17 days of paid vacation with 25% vacation bonus

Our work model is hybrid and has cycles that can be from two to three months according to the business of expertise. For every eight or twelve weeks of remote work, one will be at the office.
Know more in this blog: México

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