BigData Applications Support Analyst - Assistant Vice PresidentCitigroup Inc. • Belfast, Northern Ireland, United Kingdom
BigData Applications Support Analyst - Assistant Vice President
Citigroup Inc.
- Belfast, Northern Ireland, United Kingdom
- Belfast, Northern Ireland, United Kingdom
À propos
What We do / The Team We're looking for a talented Support Engineer to join our global team supporting a large‑scale data platform that processes critical business information across our organization.
The Platform You’ll be supporting a modern Big Data platform built on industry‑standard technologies including Hadoop, Hive, Impala, Spark, Kafka, and other open‑source tools. This platform handles massive volumes of data daily, supporting analytics, reporting, and business‑critical operations.
The Team You’ll work as part of a global support team with colleagues in Singapore, India, UK, and Canada. We operate a follow‑the‑sun model, ensuring 24/7 platform availability. The team collaborates closely with developers, infrastructure teams, and business users to keep systems running smoothly and continuously improve our operations.
Why Join Us
Work with cutting‑edge Big Data technologies at enterprise scale
Collaborate with talented engineers across the globe
Make a real impact on business operations
Focus on automation and reducing manual work
Continuous learning and career development opportunities
Role Overview / What will you do
Monitor the platform – Perform daily health checks, watch for issues, and hand over to teams in other regions to maintain 24/7 coverage
Troubleshoot problems – Investigate and resolve issues with Hadoop, Spark, databases, and data processing jobs, working with other teams when needed
Manage scheduled jobs – Monitor thousands of automated jobs running daily, investigate failures, and coordinate fixes with development teams
Ensure data quality – Perform checks and reconciliations to make sure data is accurate and complete for business reporting
Improve operations – Work on projects to automate repetitive tasks, reduce manual work, and make the platform more reliable
Communicate effectively – Act as the bridge between technical teams and business users, explaining issues in clear, simple terms
Handle incidents – Lead problem resolution during critical issues, coordinating with multiple teams while meeting service commitments
Share knowledge – Help newer team members learn and grow, sharing your expertise on technical challenges
Key Skills and Experience required
Support experience working in application or platform support roles, keeping production systems running smoothly
Linux skills – Comfortable working on the command line, troubleshooting system issues, and understanding how Linux servers work
Database & SQL – Good experience writing SQL queries and working with databases like Oracle, PostgreSQL, or MySQL
Job scheduling – Experience with tools like Autosys, Control‑M, or similar schedulers that run automated jobs
Scripting ability – Can write scripts in Python, Perl, or Shell to automate tasks and solve problems
Problem‑solving mindset – Strong analytical thinking and ability to explain technical issues to non‑technical people
Education – Degree in Computer Science, IT, Engineering, or equivalent practical experience
Any Beneficial / Nice to have skills and experience
Experience specifically with Cloudera Hadoop distributions
Big Data knowledge – Hands‑on experience with Hadoop, Hive, Spark, or similar distributed data platforms (or strong willingness to learn)
Familiarity with monitoring tools like Splunk, Grafana, or enterprise monitoring platforms
Knowledge of Kafka or other real‑time data streaming technologies
Strong Unix/Linux scripting skills for automation
Experience with incident management processes and ticketing systems (ServiceNow, JIRA)
Exposure to cloud platforms (AWS, Azure, or Google Cloud)
Understanding of data quality processes and reconciliation
Knowledge of DevOps practices, CI/CD, and version control (Git)
What we’ll provide you By joining Citi, 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 discretionary 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.
Job Family Group: Technology
Job Family: Applications Support
Time Type: Full time
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.
If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity, review Accessibility at Citi.
View Citi’s EEO Policy Statement and the Know Your Rights poster.
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Compétences linguistiques
- English
Avis aux utilisateurs
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