Senior Applications Support Analyst, Citi

Citi

Location:
United Kingdom, Belfast

Category:
IT - Administration

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

Data Solutions Technology strives to provide measurable competitive advantage to our business by delivering high quality, innovative and cost effective reference data technology and operational; solutions in order to meet the needs of the business, our clients, our regulators and stakeholders. Olympus is a next generation Data Fabric to streamline data sources across ICG and enable industry-leading analytics, client, regulatory, surveillance, supervisory, risk & finance reporting and data science solutions that are Accurate, Reliable, Relevant, Consistent, Complete, Scalable, Timely, Secure, Nimble. Olympus is built on Big data platform and technologies under Cloudera distribution like HDFS, Hive, Impala, Spark, YARN, Sentry, Oozie, Kafka. Our team interfaces with a vast client base and works in close partnership with Operations, Development and other technology counterparts running the application production platform, providing quick resolutions and timely communications to their issues, and driving improvements to stability and efficiency practices to help us and the business succeed.

Job Responsibility:

Provides technical and business support for users of Citi applications
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

Requirements:

Experience in an Application Support role
Hands-on experience in supporting applications built in Hadoop
Working knowledge of various components and technologies under Cloudera distribution like HDFS, Hive, Impala, Spark, YARN, Sentry, Oozie, Kafka
Experienced in Linux
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
Experience installing, configuring or supporting business applications
Experience with some programming languages and willingness/ability to learn
Good SQL experience in any of the RDBMS
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
Effectively share information with other support team members and with other technology teams
Consistently demonstrates clear and concise written and verbal communication skills
Ability to communicate appropriately to relevant stakeholders
UNIX shell scripting, Python / PERL will be of added advantage
Bachelor’s/University degree or equivalent experience

What we offer:

27 days annual leave (plus bank holidays)
A discretional annual performance related bonus
Private Medical Care & Life Insurance
Employee Assistance Program
Pension Plan
Paid Parental Leave
Special discounts for employees, family, and friends
Access to an array of learning and development resources

Additional Information:

Job Posted:
July 11, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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Senior Applications Support Analyst