This role is part of Cognizant's engagement with one of our most strategic global technology clients — a world leader in enterprise cybersecurity and behavioural analytics. You will work on sophisticated UBA environments, contributing to insider threat detection and security analytics at enterprise scale.About the RoleWe are seeking a Splunk UBA Engineer to investigate and resolve complex behavioural analytics and insider threat detection issues. This is a specialist role for a security-focused engineer with deep knowledge of anomaly detection, threat modelling, and user entity behaviour analytics.What You Will Do • Investigate and resolve issues related to anomaly detection failures, threat model misconfigurations, missing or delayed risk events, and data ingestion inconsistencies • Analyse UBA logs, system diagnostics, data pipelines, and ingestion flows • Monitor and optimise user and entity behaviour models, threat detection algorithms, and risk scoring • Investigate suspicious activities and insider threats; validate and tune anomaly detection thresholds • Ensure accurate ingestion of authentication logs, network data, and endpoint data • Troubleshoot data mapping and normalisation issues • Optimise UBA performance through model fine-tuning, scoring mechanisms, and bottleneck resolution • Develop Python/Shell scripts to automate tasks and enhance data processing and alerting workflows • Collaborate with engineering teams to enhance detection coverage and improve UBA configurations • Create and maintain technical documentation, SOPs, runbooks, and troubleshooting playbooksWhat You Bring • Strong understanding of security analytics, anomaly detection, threat modelling, and behavioural analytics • Splunk administration knowledge and log analysis skills • Linux fundamentals and basic networking knowledge (TCP/IP, DNS, HTTP/S) • Experience with cloud platforms (AWS/Azure/GCP) and scripting (Python/Shell)Technical Skills Splunk UBA · Splunk Admin · Linux · AWS/Azure/GCP · Python · Shell · JIRA · GitCertifications (Preferred) Splunk Certified Admin About Cognizant: Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant. Additional employment information Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law. Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview. Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.