L2 Application Support Analyst – Financial Systems

Discover your future at Citi

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Job Overview

Join Citi's Production and Application Support team, where you will keep mission-critical liquidity reporting and financial applications running at peak performance across the full trading lifecycle. In this role, you will sit at the intersection of technology and financial services, resolving complex production incidents and driving lasting improvements across systems that directly support front office and back office operations. You will work alongside infrastructure, development, and business stakeholders to deliver stability, resilience, and continuous service improvement across a portfolio of high-impact financial applications.

Responsibilities

• Deliver L2 production support for mission-critical liquidity reporting and financial applications, maintaining high availability and consistent performance across the trading lifecycle.

• Monitor, triage, and resolve production incidents related to trade capture, batch processing failures, position keeping, market data, pricing, and risk and liquidity reporting.

• Manage scheduled jobs, alerts, and system logs using job scheduling tools and Unix-based monitoring platforms to prevent and contain service disruptions.

• Execute advanced SQL queries and scripts to analyse data, validate outputs, and resolve data integrity issues across multiple application layers.

• Troubleshoot data pipeline failures across applications built on stored procedures, reporting services, and Big Data ecosystems including Hadoop, Hive, and Spark.

• Lead root cause analysis for major incidents, coordinate post-incident reviews, and implement permanent fixes to prevent recurrence.

• Coordinate change management and release activities, including deployment validations and post-release checks, to maintain production stability.

• Maintain and improve operational knowledge bases, standard operating procedures, and runbooks to support team effectiveness and knowledge continuity.

Required Qualifications & Skills

• 6 or more years of experience in application or production support, with at least 2 years operating at an advanced level in a financial services environment.

• Hands-on capability with Unix/Linux, including scripting, file manipulation, and job control, combined with advanced SQL skills across platforms such as MSSQL or Oracle, including stored procedures, SSIS, and SSRS.

• Practical experience working with Big Data technologies — Hadoop, Hive, and Spark — and job scheduling tools such as Autosys, including log analysis and pipeline troubleshooting.

• Solid knowledge of financial instruments and trade lifecycle operations, covering Equities, Fixed Income, Secured Financing, Derivatives, and Liquidity Management.

• Familiarity with front office and back office workflows, including reporting operations and the systems that support them.

• Demonstrated ability to analyse complex, time-sensitive issues systematically and communicate findings clearly to both technical and business audiences.

• Working knowledge of ITIL practices, including incident management, problem management, and change management processes.

• Bachelor's or Master's degree in Computer Science, Information Technology, Engineering, or a related field, or equivalent practical experience.

What We Offer

At Citi, you will work on systems that matter — supporting financial applications that operate at the heart of global markets. This is a role where your technical decisions have real impact, and where you will grow your expertise across both technology and financial services in a collaborative, hybrid environment.

• Hybrid working model — 3 days in the office and 2 days working remotely, giving you flexibility alongside meaningful in-person collaboration.

• Exposure to complex, high-stakes financial systems spanning multiple asset classes and trading workflows, deepening both your technical and domain expertise.

• Access to learning and development opportunities that support your growth across production support, financial technology, and service management disciplines.

• The opportunity to work across global teams, collaborating with infrastructure, development, and business stakeholders on initiatives that improve system resilience and service quality.

• A supportive environment that values work-life balance, wellbeing, and long-term career development within one of the world's leading financial institutions.

Apply now to bring your production support expertise to Citi and play a key role in keeping critical financial systems stable, performant, and continuously improving.

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Job Family Group:

Technology

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Job Family:

Applications Support

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Time Type:

Full time

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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