Company Description
Experian is a global data and technology company that drives opportunities for people and businesses around the world. We operate in various markets, such as financial services, health, automotive, agribusiness, insurance, among others. Experian invests in people and in new advanced technologies to unleash the power of data. We have an amazing team of 25,200 employees in 32 countries.
Our uniqueness is valuing yours. Experian's culture, centered on people, inclusive and purpose-driven, is recognized by various awards — including World’s Best Workplaces™ 2025 (Fortune Global Top 25) and Great Place To Work™ in 26 countries, among others. Check out Experian Life on social media or explore our careers site to understand why. Experian also takes pride in being an employer that promotes equal opportunity and affirmative action.
Job Description
We are looking for a Senior Network Infrastructure Analyst to act as a technical reference for the support, evolution, and transformation of Experian’s corporate network infrastructure.
This is a strongly hands-on role covering LAN, WAN, WLAN, and SD-WAN environments. The professional will be responsible for advanced troubleshooting, resolution of critical incidents, implementation of improvements, support for strategic projects, and evolution of technical standards across the network environment.
The role will work closely with local and global Network Engineering, Network Operations, Security, Field Services, and other infrastructure teams, helping maintain a resilient, secure, scalable, and high-performance network environment.
Key responsibilities:
- Act as a technical Subject Matter Expert for Campus Network services.
- Support enterprise LAN, WAN, WLAN, and SD-WAN environments, performing advanced troubleshooting across complex and large-scale networks.
- Lead or participate in the resolution of critical incidents, including technical war rooms when required.
- Plan, execute, and oversee critical infrastructure changes, ensuring impact analysis, risk mitigation, testing, and rollback plans.
- Participate in network design, implementation, expansion, modernization, and transformation initiatives.
- Support Cisco switching, routing, and wireless environments, including Cisco DNA Center or Catalyst Center.
- Support Fortinet environments, including FortiGate, Secure SD-WAN, FortiManager, FortiAnalyzer, FortiAP, FortiSwitch, and FortiNAC.
- Develop implementation and migration strategies for medium and high-complexity projects.
- Contribute to network configuration standards, architecture, documentation, and engineering best practices.
- Support enterprise Wi-Fi optimization, including coverage, capacity, performance, interference, and end-user experience analysis.
- Use monitoring and observability tools to proactively identify issues and improve MTTI, MTTD, and MTTR.
- Identify opportunities for network automation and programmability using technologies such as Python, Ansible, Terraform, REST APIs, and Git.
- Create and maintain technical documentation, network diagrams, operational procedures, and Methods of Procedure.
- Work with technology vendors, partners, and telecommunications carriers.
- Mentor junior and mid-level professionals, promoting knowledge sharing and technical best practices.
- Communicate complex technical topics clearly to technical and non-technical stakeholders, including leadership.
The ideal candidate combines strong technical depth, hands-on execution, ownership, and collaboration. This professional should be able to investigate complex problems, lead the technical response to high-impact incidents, propose improvements, and contribute directly to the evolution of the Campus Network architecture.
Qualifications
- Advanced English, with the ability to participate in technical meetings with global teams and create or interpret technical documentation.
- Advanced hands-on experience with enterprise LAN, WAN, WLAN, and SD-WAN environments.
- Strong knowledge of TCP/IP, VLANs, Spanning Tree, BGP, OSPF, HSRP, QoS, and advanced network troubleshooting.
- Hands-on experience with Cisco switching, routing, wireless technologies, and Cisco DNA Center or Catalyst Center.
- Strong hands-on experience with Fortinet technologies, including FortiGate, Secure SD-WAN, FortiManager, and FortiAnalyzer.
- Bachelor’s degree in Information Technology, Computer Networks, Engineering, or a related field, with Cisco CCNA and Fortinet FCP/NSE 4 certification or equivalent technical knowledge.
Additional Information
Serasa Experian is much more than you imagine. With the purpose of creating a better future, expanding opportunities for people and businesses, in Brazil we are more than 4,000 people working in various teams and specialties. Here, every skill and diversity complements each other, and you can work on what you love most. We are committed to building an inclusive culture and an environment where people can balance their career with their personal commitments and interests, valuing well-being.
We strive hard to be one of the best and most innovative companies to work for in the country, enabling amazing experiences and careers for our people. Our strong people-first approach is externally recognized through various market certifications: we were awarded by Great Place To Work™ in 24 countries and the international Top Employers certification, and we are recognized as one of the best companies for young professionals and have a 4.6 rating on Glassdoor. Each recognition tells us we are on the right path, providing an increasingly better work environment for our talent.
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