Senior Applications Support Analyst - AVP

We're looking for an experienced Senior Support Specialist to play a key role in ensuring the stability, performance, and reliability of our Big Data Platform. The successful candidate will have deep technical expertise in big data technologies and a strong track record of resolving complex technical issues.

Responsibilities:

• The Application Support Senior Analyst provides technical and business support for users of Citi applications. 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.

Skills & Qualifications:

• 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.

Education:

Bachelor's/University degree or equivalent experience.

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.

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.