Job Summary: The IT Infrastructure Analyst II will operate in a high-criticality and high-performance corporate environment, focusing on network operations, monitoring the stability, security, and performance of the company’s global network. Key Highlights: 1. Working in a high-criticality and high-performance environment 2. Integration into a highly qualified global team 3. Focus on corporate network monitoring and security **Company Description** Serasa Experian is Brazil’s first and largest Datatech company. As a leader in risk and opportunity intelligence solutions—focused on credit journeys, authentication, and fraud prevention—it leverages cutting-edge technology, innovation, and top-tier talent to transform risk uncertainty into optimal decisions, helping individuals achieve their dreams and enabling businesses of all sizes and sectors to thrive. We have 22\.000 people operating across 32 countries, and every day we invest in new technologies, talented professionals, and innovation to help all our clients maximize every opportunity. With its corporate headquarters in Dublin, Ireland, Experian is listed on the London Stock Exchange (EXPN) and is a constituent of the FTSE 100\. **Job Description** We are seeking an **IT Infrastructure Analyst II** to work in a **high-criticality and high-performance** corporate environment, with a focus on **network operations**. The professional will join a highly qualified global team responsible for monitoring the company’s entire network, ensuring stability, security, and performance for internal and external customers as well as data center environments. **Responsibilities** * Daily use of **Service Now** to handle incidents and requests related to the Network area. * Monitor corporate network performance, identifying and resolving critical issues. * Conduct analysis and troubleshooting in complex environments involving network protocols and equipment from various vendors. * Collaborate with global teams, requiring technical communication in **English**. * Operate and administer environments with **L2/L3 equipment, Wi\-Fi, Cisco, Fortinet**, as well as security and proxy resources. * Work within **OCI, AWS, and Azure** environments, ensuring connectivity, security, and proper functioning of integrations. * Open and track incidents with carriers and vendors, ensuring resolution within SLA. * Collaborate with internal teams for continuous infrastructure improvements and network evolution. **Qualifications** **Technical Requirements** * Experience in a **NOC** environment and daily use of **Service Now**. * Solid knowledge of: + **TCP/IP, DNS, OSPF, BGP, SNMP** protocols + **L2/L3** equipment + **Wi\-Fi** networks + Security on **Cisco** and **Fortinet** + **Proxy, OCI, AWS, and Azure** environments + Security protocols and frameworks: **Dot1\.x, MAB, Site\-to\-Site VPNs, SSL, IPSec (IKEv1, IKEv2\)** * Ability to communicate technically in **English** (basic/intermediate). * Familiarity with tools such as **ThousandEyes, Splunk, and NNMi** is desirable. **Qualifications** * Bachelor’s degree in Technology — **in progress or completed**. * **Basic to intermediate English**, focused on technical communication. * Analytical mindset, proactivity, and ability to perform under pressure in critical environments. **Additional Information** At Serasa Experian, we believe diversity is essential to fostering a healthier, more innovative workplace where everyone can exchange experiences and express ideas freely. That’s why we implement multiple initiatives to promote inclusive recruitment and support the professional development of our people. Additionally, we host several affinity groups designed to empower and support underrepresented communities: ExperianPride (LGBTQIAPN\+ community), Ubuntu (racial equity), Women in Experian (gender equity), Aspire (people with disabilities), and Connecting Generations (generational inclusion). Join us in driving this transformation! **\#LI\-HOME** Experian Careers \- Creating a better tomorrow together Find out what it’s like to work for Experian by clicking here