About the Team: 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

About the Role: We are seeking an experienced Senior Support Manager to lead our Big Data Platform support team

The successful candidate will have a strong background in application support, team management, and collaboration across multiple regions

This role requires a strategic thinker who can drive team performance, ensure seamless platform operations, and foster collaboration with global stakeholders

Responsibilities: The Application Senior Support Manager is responsible to partner with multiple technology teams to ensure appropriate integration of functions to meet goals; identify and define necessary system enhancements; analyze existing system logic, identify problems; and recommend and implements solutions

Provides expertise in area and an advanced level of understanding of the principles of apps support

Formulates and defines systems scope and objectives for complex, high impact application enhancements and problem resolution through in-depth analysis and evaluation of complex business processes, systems and industry standards; documents requirements

Partners with multiple technology areas and management teams to ensure appropriate integration of functions to meet goals

Works closely with Product Owners, Business Analysts and Systems Analysts to determine and document Systems impacts and support requirements Considers the implications of the application of technology to the current environment

Identifies risks, vulnerabilities and security issues; communicates impact; proposes risk mitigation options

Acts as advisor or coach to new or lower level analysts; allocates work

Provides in-depth analysis with interpretive thinking to define problems and develop innovative solutions

Directly impacts the business by influencing strategic functional decisions through advice, counsel or provided services

Persuades and influences others through strong and comprehensive communication and diplomacy skills Performs other duties and functions as assigned 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

Skills & Qualifications: 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 in Hadoop

Good knowledge of Microsoft based operating systems Linux experience Good SQL experience in any of the RDBMS

Focus on Sybase / Oracle / MSSQL databases Practical problem solving and strategic thinking skills Ability to work in a fast-paced environment Experience working or leading requirement gathering efforts for multiple large development projects at one-time PowerShell, UNIX shell scripting, Python, Java will be of added advantage

Autosys / CONTROL-M or other schedulers will be of added advantage Education: Bachelor’s/University degree, Master’s degree preferred What we’ll provide you By joining Citi Belfast, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as: 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 Visit ourGlobal Benefitspage to learn more

Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day

We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive

Job Family Group: Technology Job Family: Applications Support Time Type: Full time Most Relevant Skills Please see the requirements listed above

Other Relevant Skills For complementary skills, please see above and/or contact the recruiter

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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