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Who we are looking for We are looking   for a   Senior SIEM Data Engineer   reporting directly to the   Cyber Data Engineering Manager . You will lead th e design, onboarding, transformation, validation, and operational support of cybersecurity telemetry and enterprise log data used for security monitoring, analytics, reporting, incident response, and cyber data science use cases. This role is focused on understanding diverse enterprise data sources, designing scalable security telemetry pipelines, improving log fidelity and data quality, and ensuring reliable delivery of high-value data into cyber data platforms such as Splunk, Databricks, and other SIEM or cyber analytics platforms. You will work closely with cybersecurity, infrastructure, cloud, application, and data engineering teams to ensure security telemetry is   accurate , complete, searchable, governed, and fit for purpose. As a senior engineer, you will also help define onboarding standards, mentor engineers, drive operational maturity, support complex troubleshooting, and contribute to the evolution of enterprise cyber data engineering capabilities. Why This Role Is Important to Us The team you will be joining is part of Cyber Data & Analytics, a function that is vital to the company as it enables cybersecurity teams to make faster, data-driven decisions and strengthen the firm’s ability to detect, investigate, and respond to evolving cyber threats. High-quality cybersecurity data is foundational to effective threat detection, incident response, risk reporting, observability, automation, analytics, and compliance. This role helps ensure that enterprise security telemetry is properly onboarded,   validated , enriched, routed,   monitored , and continuously available to support critical cyber defense capabilities. What you will  be responsible for As  Senior   SIEM Data Engineer   you will: • Design, build, and   ma intain   s calable SIEM and security telemetry pipelines across hybrid and multi-cloud environments. • Lead onboarding of security telemetry from applications, infrastructure, endpoints, identity platforms, network devices, cloud services, SaaS tools, databases, and security products. • Analyze source log formats and define onboarding requirements, expected fields, metadata, routing needs, retention considerations, and downstream SIEM/analytics use cases. • Build and   optimize   telemetry pipelines for parsing, filtering, masking, enrichment, normalization, event breaking, metadata tagging, and multi-destination routing. • Deliver reliable security telemetry to   Splunk, Databricks, and other SIEM or cyber analytics platforms . • Design and support Databricks data engineering patterns across raw, enriched, curated, and analytics-ready data layers. • Validate data quality across cyber data platforms for freshness, completeness, correctness, availability, timestamp accuracy, schema consistency, source attribution, routing accuracy, and latency. • Establish SIEM onboarding standards for source classification, source types, index routing, taxonomy alignment, metadata tagging, schema expectations, CIM/ECS alignment, and data quality controls. • Optimize   telemetry pipelines to reduce noise, control ingestion cost, improve performance, and preserve high -value security data for detection and investigation. • Lead troubleshooting of complex ingestion and data flow issues across sources, collectors, pipelines, SIEM platforms, Databricks tables, APIs, cloud storage, and streaming platforms. • Provide   second-line -of-defense support, escalation, and root cause analysis   for operational issues related to data engineering jobs, pipelines, ingestion failures, and issues leading to loss of data delivery to cyber data platforms. • Automate deployment, monitoring, alerting, validation, pipeline testing, repeatable onboarding, and operational support using CI/CD and infrastructure-as-code practices. • Partner with Detection Engineering, Security Operations, Cyber Data Science, Observability, Cloud, Infrastructure, Application, Governance, Risk, and Platform teams to ensure telemetry supports business and security use cases. • Create and   maintain   onboarding standards, data flow diagrams, field mappings, transformation logic, runbooks, troubleshooting procedures, operational handoffs, and engineering documentation. • Mentor engineers and promote best practices for security telemetry onboarding, data quality, automation, reliability, operational excellence, and secure engineering. What we value These skills will help you succeed in this role • Strong experience with SIEM data onboarding, security telemetry pipelines, log ingestion, routing, parsing, enrichment, validation, and troubleshooting. • Strong hands-on experience with   Splunk   or similar SIEM/log analytics platforms. • Hands-on experience with   Cribl Stream   or similar data pipeline technologies for routing, filtering, parsing, enrichment, transformation, event breaking, replay, and multi-destination delivery. • Ability to understand and onboard telemetry from diverse enterprise data sources across cloud, endpoint, identity, network, application, infrastructure, database, SaaS, and security platforms. • Working knowledge of Databricks or similar analytics/ lakehouse   platforms, including raw ingestion, enrichment, curated datasets, table design, partitioning, data quality checks, and analytics-ready outputs. • Strong understanding of data quality concepts, including log fidelity, freshness, completeness, correctness, availability, schema consistency, duplicate detection, routing validation, and ingestion latency. • Strong understanding of data engineering concepts such as data layers, schema design, metadata management, transformation, enrichment, deduplication, batch/streaming ingestion, and pipeline monitoring. • Practical knowledge of SIEM taxonomy, source classification, security use case mapping, CIM/ECS alignment, schema mapping, and enterprise log onboarding standards. • Strong understanding of DevOps,   DataOps ,   DevSecOps , CI/CD, infrastructure-as-code, automation, and production support practices. • Strong troubleshooting, documentation, communication, stakeholder management, prioritization, mentoring, and end-to-end ownership skills. Education & Preferred Qualifications • Master's or bachelor's   degree in computer science, Cybersecurity, Information Technology, Engineering, Data Engineering, Data Analytics, Information Systems, or a related technical field; equivalent work experience may also be considered. • 8 + years of experience   in SIEM engineering, cybersecurity data engineering, security platform engineering, log analytics, telemetry operations, or large-scale log onboarding, with strong hands-on experience using   Splunk or similar SIEM/log analytics platforms . • Proven experience designing, onboarding,   validating , and troubleshooting security telemetry from diverse enterprise sources to support   threat detection, observability, incident response, reporting, cyber analytics, and data science   use cases. • 3+ years of experience   with   Cribl Stream   or similar data pipeline technologies such as Fluent Bit/ Fluentd , Vector, Kafka,   Syslog , HEC, REST APIs, cloud-native ingestion services, or streaming platforms. • 2+ years of experience   with   Databricks , data   lakehouse   platforms, large-scale analytics platforms, or security data repositories for telemetry validation, analytics, and data engineering use cases. • Experience querying,   validating , and transforming data using   SPL, SQL, Spark SQL, Python,   PySpark , Shell, PowerShell , or similar languages. • Experience with cloud-native security telemetry and ingestion patterns across hybrid or multi-cloud environments. • Experience with production support, issue troubleshooting, incident management, change management, ticket documentation, root cause analysis, operational handoffs, vendor coordination, and continuous service improvement. • Experience mentoring engineers, leading technical initiatives, conducting design reviews, defining onboarding standards, and driving engineering best practices. • Relevant certifications are preferred, including   Cribl certifications   such as   Cribl Certified Observability Engineer ,   Splunk certifications   such as   Splunk Certified Architect   or   Splunk Certified Consultant , or equivalent hands-on platform engineering experience. • Cloud, infrastructure, data engineering, or cybersecurity certifications are a plus. Work Requirement • This role may follow a hybrid work model, with in-office presence  required  based on team, business, and location expectations. • Standard working hours are 8:00 AM to 5:00 PM local time for the employee’s designated work location. Flexibility may be  required  for occasional operational support, release of activities, incident resolution, escalation support, or data delivery of recovery efforts. About State Street Across the globe, institutional investors rely on us to help them manage risk, respond to challenges, and drive performance and profitability. We keep our clients at the heart of everything we do, and smart, engaged employees are essential to our continued success. We are committed to fostering an environment where every employee feels valued and empowered to reach their full potential. As an essential partner in our shared success, you’ll benefit from inclusive development opportunities, flexible work-life support, paid volunteer days, and vibrant employee networks that keep you connected to what matters most. Join us in shaping the future. As an Equal Opportunity Employer, we consider all qualified applicants for all positions without regard to race, creed, color, religion, national origin, ancestry, ethnicity, age, disability, genetic information, sex, sexual orientation, gender identity or expression, citizenship, marital status, domestic partnership or civil union status, familial status, military and veteran status, and other characteristics protected by applicable law. Discover more information on jobs at StateStreet.com/careers Read our CEO Statement