TTS Payments Application Support - Assistant Vice President

Citigroup Inc.; Belfast City District; Hybrid; GBP 50,000 - 80,000; Full time

Benefits offered by this job

27 days annual leave

Discretional annual bonus

Private Medical Care & Life Insurance

Employee Assistance Program

Pension Plan

Paid Parental Leave

Special discounts

Learning and development resources

Job summary

Citi's Production Application Support team keeps mission-critical systems stable across the globe. The Application Support Senior Analyst will provide expert technical and business support for Citi's critical applications, driving stability and operational excellence every day.

You will monitor, diagnose issues, participate in releases, and lead initiatives to improve efficiency, risk controls, and collaboration with traders, users, and vendors.

Qualifications

• Experience in an Application Support role with production environments.
• Experience installing, configuring, and supporting business applications.
• Proficiency in programming or scripting languages, with willingness to learn.
• Analytical, problem-solving skills to filter and prioritise complex information.
• Experience with issue tracking, reporting, and problem management tools.
• Strong written and verbal communication for non-IT stakeholders.
• Ability to plan, organize, and re-prioritise workload quickly.
• Bachelor's/University degree or equivalent practical experience.

Responsibilities

• Monitor, maintain and perform start-of-day checks to meet SLAs.
• Diagnose issues, assess risk, and escalate as needed.
• Participate in releases across the full lifecycle from development to prod.
• Identify improvements to maximise application stability and efficiency.
• Conduct same-day risk reconciliations and address vulnerabilities.
• Liaise with traders, users, tech teams and vendors as SME.

Skills

Application Support

Start-of-day checks

Monitoring

Issue diagnosis

Release management

Problem management tools

Communication skills

Planning & prioritisation

Education

Bachelor's degree or equivalent

Tools

Issue tracking tools

Scripting languages

Configuration & deployment tooling

Job description

Engineer the future of global payments. At Citi, our Tech team doesn't just support payments – 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 payments with Citi Tech.

What We Do / The Team:

Our Production Application Support team is at the heart of Citi's daily operations, ensuring the stability, quality, and performance of mission-critical applications used across the firm. We operate globally, working closely with business users, traders, internal technology groups, and external vendors to keep systems running seamlessly. The team plays a pivotal role in bridging technology and business — proactively identifying issues, driving continuous improvement, and ensuring our applications deliver maximum value. Whether collaborating with regional colleagues across time zones or partnering with development teams on the next release, our work directly influences the success of Citi's global operations.

Role Overview / What Will You Do:

As an Application Support Senior Analyst, you will provide expert technical and business support for Citi's critical applications, driving stability and operational excellence every day. You will:

• Monitor & Maintain – Perform start-of-day checks, continuous monitoring, and regional handovers; ensure applications and their operating environments meet service level expectations.

• Resolve & Escalate – Quickly diagnose and resolve application issues; assess risk and impact of production incidents and escape to business and technology management in a timely manner.

• Release & Deploy – Participate in application releases across the full lifecycle — from development and testing through to production deployment — and conduct post-implementation analysis.

• Improve & Optimise – Identify ways to maximise application potential; lead Stability, Efficiency, and Effectiveness initiatives; formulate scope and objectives for complex enhancements.

• Risk & Compliance – Perform same-day risk reconciliations; identify vulnerabilities and security issues; ensure storage, archiving, and contingency procedures are in place and functioning correctly.

• Coach & Collaborate – Act as SME and advisor to senior stakeholders and junior analysts; liaise between users/traders, internal technology groups, and vendors.

Key Skills and Experience Required:

To thrive in this role, you will bring a strong blend of technical expertise and communication skills:

• Experience in an Application Support role, with a proven track record of managing production environments.

• Experience installing, configuring, and supporting business applications and their operating environments.

• Proficiency in programming or scripting languages, with the willingness and ability to continue learning.

• Demonstrated analytical and problem-solving skills — able to filter, prioritise, and validate complex information from multiple sources.

• Experience with issue tracking, reporting, and problem management tools.

• Strong written and verbal communication skills, including the ability to translate technical issues into plain language for non-IT stakeholders.

• Ability to plan, organise, and re-prioritise workload quickly in a dynamic environment.

• Bachelor's/University degree or equivalent practical experience.

Any Beneficial / Nice to Have Skills and Experience:

• Experience with application contingency planning and disaster recovery processes.

• Familiarity with risk reconciliation processes and financial services environments.

• Background in coaching or mentoring junior team members or new recruits.

• Experience acting as a liaison between business users (e.g., traders) and technology/vendor teams.

• Exposure to security and vulnerability assessment within application environments.

• Knowledge of storage and archiving best practices for enterprise applications.

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

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

Visit our About Us | Culture, Values & Benefits page 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.

#LI-BH2a

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.

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