This role sits within Cognizant's engagement with one of our most strategic global technology clients — a world leader in enterprise networking, cybersecurity, and observability. You will work on complex ITSI environments at enterprise scale, directly supporting mission-critical service health and monitoring operations.About the RoleWe are seeking a Splunk ITSI Engineer to investigate and resolve complex service health and visibility issues across our enterprise monitoring environment. This role demands deep hands-on knowledge of ITSI components, strong analytical thinking, and a relentless focus on data accuracy and service reliability.What You Will Do • Investigate and resolve complex ITSI incidents including KPI calculation failures, episode correlation anomalies, and Service Analyzer inconsistencies • Troubleshoot performance issues affecting dashboards, Glass Tables, and service views • Guide customers on ITSI configuration optimisation, KPI design strategies, and service modelling improvements • Optimise KPI searches for performance efficiency and accurate service health scoring • Fine-tune adaptive thresholds and anomaly detection behaviour • Analyse and maintain service dependency trees, entity discovery, and normalisation • Diagnose and resolve KV Store issues including data corruption, locking/contention, replication failures, and performance bottlenecks • Review and optimise Glass Tables, Service Analyzer views, and deep-dive dashboards • Analyse and troubleshoot episode generation logic and aggregation policies • Optimise correlation searches and notable events for better incident detection accuracy • Identify bottlenecks in large-scale ITSI deployments and recommend improvements • Create and maintain technical documentation, SOPs, runbooks, and troubleshooting playbooksWhat You Bring • Strong knowledge of KPI creation, thresholding, service modelling, and episode review • Deep understanding of SPL, search optimisation, and scheduling • Experience with Search Head Clustering and Replication • Familiarity with KV Store internals and troubleshooting • Linux system administration and log analysis skills • Basic networking knowledgeTechnical Skills Splunk ITSI · SPL · Linux · Search Head Clustering · KV Store · JIRA · Git · AWS/Azure/GCP 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.