TAS Tower Lead - Irvine, CA | TCS Job

TAS Tower Lead

Must Have Technical/Functional Skills

Python, R, Alteryx, SQL/PLSQL, AWS S3, SNS, ECR, Airflow, Kubernetes, Harness, production support, RCA, preventive fixes, BAU and enhancements

Roles & Responsibilities

We are seeking an experienced L3 Production Support Engineer to provide advanced technical and operational support for business-critical data and analytics applications. The candidate should have strong hands-on experience with Python, R, Alteryx, SQL/PLSQL, AWS, Airflow, Kubernetes, and Harness, along with proven expertise in production incident resolution, root cause analysis, preventive fixes, BAU support, and application enhancements.

•Provide L3 production support for critical data, analytics, and application platforms, ensuring system availability, stability, and performance.

•Investigate and resolve complex production incidents involving applications, data pipelines, database procedures, 

infrastructure components, and system integrations.

•Develop, troubleshoot, and optimize applications, automation scripts, and analytical workflows using Python and R.

•Design, maintain, monitor, and support data preparation and analytics workflows developed using Alteryx.

•Write and optimize complex SQL and PL/SQL queries, stored procedures, functions, packages, and scripts for production troubleshooting and data validation.

•Support application data storage, file processing, archival, and recovery activities using AWS S3.

•Monitor and troubleshoot application notifications and event-driven integrations implemented using AWS SNS.

•Manage, maintain, and troubleshoot container images and repositories hosted in AWS Elastic Container Registry (ECR).

•Monitor, support, and troubleshoot batch and data-processing workflows orchestrated through Apache Airflow, including DAG failures, scheduling issues, dependencies, and performance bottlenecks.

•Support containerized applications deployed on Kubernetes, including troubleshooting pods, deployments, services, configurations, resource utilization, and application logs.

•Use Harness to support CI/CD pipelines, application deployments, release validation, rollback activities, and production deployment monitoring.

•Perform detailed Root Cause Analysis (RCA) for critical and recurring incidents, document findings, and coordinate 

corrective actions with engineering and infrastructure teams.

•Identify recurring production issues and implement preventive and permanent fixes to improve platform reliability and reduce incident volume.

•Handle Business-as-Usual (BAU) activities, including daily health checks, batch monitoring, job reruns, data validation, service requests, access-related requests, and operational reporting.Analyze data issues and perform reconciliation, profiling, validation, and correction activities to ensure data accuracy, completeness, and consistency.