Applications Support Senior Analyst - Assistant Vice President

Citigroup; City of London; Hybrid; GBP 50,000 - 70,000; Full time

Job summary

A leading global bank in London is seeking an Application Support Engineer to provide critical support for e-trading systems. You will manage daily operations, ensure stability, and improve application performance. Ideal candidates will have experience in application support, familiarity with FIX protocol, and knowledge of Unix and SQL. This role includes a range of benefits like private medical care and performance-related bonuses, with opportunities for hybrid work.

Benefits

27 days annual leave

Discretionary annual performance-related bonus

Private medical care

Pension plan

Paid parental leave

Qualifications

• Relevant experience in an Application Support role.
• Experience installing, configuring, or supporting business applications.
• Ability to adjust quickly to changes and re-prioritization.

Responsibilities

• Provide technical and business support for users of Citi applications.
• Manage, maintain and support applications focusing on stability.
• Participate in application releases from development to production.

Skills

Application Support experience

Programming languages knowledge

FIX protocol knowledge

Unix proficiency

SQL knowledge

E-trading experience

Intermediate coding skills

Education

Bachelor's/University degree or equivalent experience

Job description

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Citi is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. We enable clients to achieve their strategic financial objectives by providing them with cutting‑edge ideas, best‑in‑class products and solutions, and unparalleled access to capital and liquidity.

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.

This particular Application Support role sits at the heart of the Global Markets e‑trading infrastructure structure. The candidate will provide RTB (Run The Bank) Production Support for Client Connectivity and Futures Trading Execution Support, offering the ability to learn about global markets and e‑trading. The successful candidate will liaise with trading floor users and possess the following technical skillset:

Responsibilities

• Provide technical and business support for users of Citi applications, quick resolutions to app issues, and drive stability, efficiency and effectiveness improvements.
• Maintain application systems that have completed the development stage and are running in daily operations.
• Manage, maintain and support applications and their operating environments, focusing on stability, quality and functionality against service level expectations.
• Perform start‑of‑day checks, continuous monitoring and regional handover.
• Perform same‑day risk reconciliations.
• Develop and maintain technical support documentation.
• Identify ways to maximize the potential of the applications used.
• Assess risk and impact of production issues and elevate to business and technology management in a timely manner.
• Ensure storage and archiving procedures are in place and functioning correctly.
• Formulate and define scope and objectives for complex application enhancements and problem resolution.
• Review and develop application contingency planning to ensure availability to users.
• Partner 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.
• Engage in post‑implementation analysis to ensure successful system design and functionality.
• Consider implications of technology application to the current environment, identify risks, vulnerabilities and security issues, and communicate impact.
• Ensure essential procedures are followed and help define operating standards and processes.
• Act as a liaison between users/traders, interfacing internal technology groups and vendors.
• Raise problems to appropriate technology and business teams while adhering to Service Level Agreements.
• Act as advisor or coach to new or lower level analysts.
• Provide evaluative judgment based on analysis of factual information in complicated and unique situations.
• Directly impact the business by ensuring the quality of work provided by self and others; impacts own team and closely related work teams.
• Exhibit sound and comprehensive communication and diplomacy skills to exchange complex information.
• Actively involve in and own Support Project items, covering Stability, Efficiency, and Effectiveness initiatives.
• Perform other duties and functions as assigned.
• Operate with a limited level of direct supervision and exercise independence of judgement and autonomy.
• Act as SME to senior stakeholders and/or other team members.

Qualifications

• Relevant experience in an Application Support role.
• Experience installing, configuring or supporting business applications.
• Experience with some programming languages and willingness/ability to learn.
• Advanced execution capabilities and ability to adjust quickly to changes and re‑prioritisation.
• FIX protocol knowledge.
• Unix proficiency.
• SQL knowledge.
• E‑trading experience (connectivity, market data, financial markets).
• Intermediate coding skills (nice to have).

Education

• Bachelor’s/University degree or equivalent experience.

Benefits

• 27 days annual leave (plus bank holidays).
• A discretionary annual performance‑related bonus.
• Private medical care and life insurance.
• Employee assistance programme.
• 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 energised to join us, motivated to stay and empowered to thrive.

Citi is an equal‑opportunity employer, and qualified candidates will receive consideration without regard to their race, colour, 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.