At a Glance
- Tasks: Support a large-scale Big Data platform and troubleshoot critical issues.
- Company: Join Citi, a leader in global finance and technology innovation.
- Benefits: Enjoy competitive salary, 27 days leave, and hybrid work options.
- Other info: Collaborate globally and grow your career in a dynamic environment.
- Why this job: Make a real impact on business operations with cutting-edge technologies.
- Qualifications: Experience in application support, Linux, SQL, and scripting.
The predicted salary is between 80100 - 97900 £ per year.
Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech.
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 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.
Big Data Applications Support Analyst - Assistant Vice President employer: Citibank (Switzerland) AG
Citi London is an exceptional employer, offering a dynamic work culture that fosters innovation and collaboration across global teams. With a strong focus on employee growth, you will have access to extensive training and development opportunities while working in a hybrid environment that promotes work-life balance. Join us to be part of a forward-thinking organisation that values your contributions and empowers you to drive meaningful change in the financial services industry.
StudySmarter Expert Advice🤫
We think this is how you could land Big Data Applications Support Analyst - Assistant Vice President
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We think you need these skills to ace Big Data Applications Support Analyst - Assistant Vice President
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Citibank (Switzerland) AG.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Citibank (Switzerland) AG and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at Citibank (Switzerland) AG
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Citibank (Switzerland) AG uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
