Big Data Support Engineer- Assistant Vice President

The Apps Support Sr Analyst is a seasoned professional role. Applies in-depth disciplinary knowledge, contributing to the development of new techniques and the improvement of processes and work-flow for the area or function. Integrates subject matter and industry expertise within a defined area. Requires in-depth understanding of how areas collectively integrate within the sub-function as well as coordinate and contribute to the objectives of the function and overall business. Evaluates moderately complex and variable issues with substantial potential impact, where development of an approach/taking of an action involves weighing various alternatives and balancing potentially conflicting situations using multiple sources of information. Requires good analytical skills in order to filter, prioritize and validate potentially complex and dynamic material from multiple sources. Strong communication and diplomacy skills are required. Regularly assumes informal/formal leadership role within teams. Involved in coaching and training of new recruits. Significant impact in terms of project size, geography, etc. by influencing decisions through advice, counsel and/or facilitating services to others in area of specialization. Work and performance of all teams in the area are directly affected by the performance of the individual.

Responsibilities:

The Application Support Senior Analyst provides technical and business support for users of Citi Applcations. This includes providing quick resolutions to app issues, driving stability, efficiency and effectiveness improvements to help us and the business succeed. Maintains application systems that have completed the development stage and are running in the daily operations of the firm. Manages, maintains and supports applications and their operating environments, focusing on stability, quality and functionality against service level expectations. Start of day checks, continuous monitoring, and regional handover. Perform same day risk reconciliations Develop and maintain technical support documentation. Identifies ways to maximize the potential of the applications used Assess risk and impact of production issues and escalate to business and technology management in a timely manner. Ensures that storage and archiving procedures are in place and functioning correctly Formulates and defines scope and objectives for complex application enhancements and problem resolution Reviews and develops application contingency planning to ensure availability to users. Partners with appropriate development and production support areas to prioritize bug fixes and support tooling requirements. Participate in application releases, from development, testing and deployment into production. Engages in post implementation analysis to ensure successful system design and functionality. Considers implications of the application of technology to the current environment. Identifies risks, vulnerabilities and security issues; communicates impact. Ensures essential procedures are followed and helps to define operating standards and processes. Act as a liaison between users/traders, interfacing internal technology groups and vendors. Expected to be able to raise problems to appropriate technology and business teams, while adhering to Service Level Agreements. Acts as advisor or coach to new or lower level analysts. Provides evaluative judgment based on analysis of factual information in complicated and unique situations. Directly impacts the business by ensuring the quality of work provided by self and others; impacts own team and closely related work teams. Exhibits sound and comprehensive communication and diplomacy skills to exchange complex information. Active involvement in and ownership of Support Project items, covering Stability, Efficiency, and Effectiveness initiatives. Performs other duties and functions as assigned. Has the ability to operate with a limited level of direct supervision. Can exercise independence of judgement and autonomy. Acts as SME to senior stakeholders and /or other team members. Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.

Qualifications:

5-8 years experience in an Application Support role. Experience installing, configuring or supporting business applications. Experience with some programming languages and willingness/ability to learn. Advanced execution capabilities and ability to adjust quickly to changes and re-prioritization Effective written and verbal communications including ability to explain technical issues in simple terms that non-IT staff can understand. Demonstrated analytical skills Issue tracking and reporting using tools Knowledge/ experience of problem Management Tools. Good all-round technical skills Effectively share information with other support team members and with other technology teams Ability to plan and organize workload Consistently demonstrates clear and concise written and verbal communication skills Ability to communicate appropriately to relevant stakeholde

Education:

Bachelor's/University degree or equivalent experience

Preferred Experience Skills:

UNIX/Linux

• UNIX/Linux/Windows
• Advanced Scripting, automation, debugging
• OS / Administration Certifications preferred

SQL/ORACLE/SYBASE

• Advanced Query writing and debugging
• Data Analytics and Reporting Abilities
• Programming Languages
• Desirable

SHELL SCRIPTING

• Perl scripting
• C or C++ familiarization
• C#, .Net, Java, HTML5 familiarization Minimum 4-5 years' hands-on experience in above skills Competencies
• Strong social, positive, can-do attitude to quickly learn and take own initiative to deliver innovative and productive solutions
• Ability to communicate well at all levels
• Good interpersonal skills
• Ability to work under stress and time constraints
• Maintains good relationships with colleagues and builds strong professional networks

Hadoop/Big Data Platform Skill Set:

Working knowledge of various components and technologies under Cloudera distribution like HDFS, Hive, Impala, Spark, YARN, Sentry, Oozie, Kafka. Very good knowledge on analyzing the bottlenecks on the cluster

• performance tuning, effective resource usage, capacity planning, investigating. Perform daily performance monitoring of the cluster
• Implement best practices, ensure cluster stability and create/analyze performance metrics.

Hands-on experience in supporting applications built on Hadoop. Experience in Technical Production Support roles preferably within a large scale, global financial services organization. Experience as a member of a Production Support group in a high availability / critical environment. Experience in providing communications across business and technology partners at varying levels, across a medium to large scale enterprise. Lead and participate in the incident response lifecycle, including detection, triage, mitigation, resolution, and post-incident analysis. Drive efforts to reduce Mean Time To Recovery (MTTR). Implement and enhance comprehensive monitoring, logging, and alerting solutions to provide deep insights into system health and performance. Define and track Service Level Indicators (SLIs) and Service Level Objectives (SLOs). Evaluates moderately complex and variable issues with substantial potential impact, where development of an approach/taking of an action involves weighing various alternatives and balancing potentially conflicting situations using multiple sources of information. Ensure compliance with SRE best practices. Timely and effectively escalate complex or unresolved issues to Level 2 SREs, development teams, or other specialized support groups, providing comprehensive handover information. Applies in-depth disciplinary knowledge, contributing to the development of new techniques and the improvement of processes and workflow for the area or function. Implement and enforce robust change management processes to minimize risks associated with system modifications and deployments. Production support experience in specific wealth management application domains is highly desired. Working with various interfacing teams across multiple locations and time-zones. Work closely with development teams, product managers, and other stakeholders to ensure operational requirements are met throughout the application lifecycle. Communicate technical information clearly to diverse audiences. Supporting multiple applications, establishing ITIL standard methodologies, processes, and procedures. Executing effective support and process models. Ability to Analyse and Correct Data. Ensure systems adhere to security best practices, compliance regulations, and internal policies. Participate in on-call rotations including weekend coverages to provide 24/7 support for critical systems, system changes and respond to production incidents. Experience in

Incident, Problem Management:

Incident tracking & reporting; Problem tracking & reporting until resolution to ensure reduction of production Incidents. Experience in setting up and working with Diagnostics and Analytical tools like HP Diagnostics, ITRS etc. that improves efficiency. Automated Deployment tools like uDeploy etc. Experience in change and

Release Management:

Ensure timely Review and Sign off on all application related changes, Ensure proper deployment within the timeline and post implementation Application Availability. Leading the COB test of in house applications and Vendor Applications involving multiple data centers, partners, locations and time zones. Experience in dealing with

Vendor Application Teams:

Co-ordinate with Vendor Support teams on Vendor Application issues & Version upgrades. Ability to drive solutions with effective communication, provide directions to the team during day-to-day production support matters & foresee application risks Experience in aspects of production monitoring capabilities to catch & dispatch production issues and liaise with business or technology stakeholders for end-to-end support & recovery Influential skills to attain platform stability in partnership with cross functional teams like, infrastructure, platform support and application development to get solutions implemented Supervise production team members and evaluate performance, effectiveness, quality of deliverables, TAT, workload, prioritization of work

• Job Family Group:

  Technology

• Job Family:

  Applications Support

• Time Type:

  Full time

• Primary Location:

  Irving Texas United States

• Primary Location Full Time Salary Range:

  $96 400,00
• $144 600,00 In addition to salary, Citi's offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards.

Citi offers competitive employee benefits, including: medical, dental & vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays. For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.

• Most Relevant Skills Please see the requirements listed above.
• Other Relevant Skills For complementary skills, please see above and/or contact the recruiter.

• Anticipated Posting Close Date:

  may 13, 2026
• Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

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