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Tier-1 employer, generalist app-support title, mid-level experience, and broad technical requirements.
Core skills (Hadoop, Linux, SQL) are transferable but financial domain knowledge raises sensitivity to medium.
Explicit years plus mandatory Linux, production support and Hadoop skills create strict shortlisting filters.
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Provide technical and business support for Citi applications, resolving issues and coordinating with technology partners for long-term solutions.
Participate in application releases, disaster recovery testing, post-release validation, and support documentation maintenance.
Analyze applications for risks, vulnerabilities, and security issues, driving stability, efficiency, and effectiveness initiatives within the support function.
3-6 years of application production support experience, preferably in the financial industry.
Working knowledge of Hadoop/Big Data platform components is preferred, including HDFS, Hive, Impala, Spark, YARN, Sentry, Oozie, Kafka.
Experience with Linux (4-6 years), SQL with any RDBMS, and scheduler tools like Autosys or CONTROL-M is required.
Bachelor’s degree or equivalent experience; experience using call/ticketing software is mandatory.
Experienced in managing application support with a focus on financial data platforms and understanding of related technologies (Hadoop, Linux, SQL, scheduling).
Able to operate with limited supervision, exercise independent judgment, and act as SME to senior stakeholders.
Strong analytical skills to assess risks and prioritize stability and performance tuning in complex, high-volume environments.