Application Support Analyst with SRE

Discover your future at Citi

Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

Job Overview

Citi is looking for an Application Support Intermediate Analyst to deliver reliable, high-quality technical support across critical business applications within a global financial services environment. In this role, you will serve as a key connector between end users, technology teams, and vendors — diagnosing complex issues, driving long-term resolutions, and contributing directly to the stability and performance of systems that underpin Citi's core operations. Your work will have a direct impact on the effectiveness of the teams and business processes that depend on these applications every day.

Responsibilities

• Deliver technical and business application support to end users and traders, resolving incidents efficiently while coordinating with technology partners to implement sustainable, long-term fixes.
• Act as the primary liaison between business users, internal technology groups, and third-party vendors to ensure issues are triaged, escalated, and resolved with minimal disruption.
• Participate in the full application release lifecycle — from development and testing through to production deployment — and conduct post-release validation checks to confirm system health.
• Analyse applications to identify risks, vulnerabilities, and security gaps, and apply sound judgment to recommend and implement appropriate solutions.
• Collaborate with development colleagues to prioritise bug fixes and enhance support tooling, ensuring both immediate needs and longer-term platform quality are addressed.
• Take active ownership of support improvement initiatives focused on system stability, operational efficiency, and service effectiveness.
• Develop and maintain clear technical support documentation to enable consistent, repeatable processes across the team.
• Participate in disaster recovery testing to validate system resilience and ensure business continuity preparedness.

Required Qualifications & Skills

• 5-8 years of experience in application support or a closely related technical discipline.
• Hands-on experience working with middleware platforms such as WebLogic or WebSphere, or containerized environments including OpenShift or ECS.
• Strong foundational knowledge of AI/ML concepts, including machine learning models, natural language processing (NLP), and data pipelines.
• Experience with cloud computing platforms such as AWS, Azure, or Google Cloud Platform.
• Familiarity with monitoring tools such as Splunk, ITRS, Grafana, GCO, ELK Stack, Datadog, with the ability to use these platforms to detect, investigate, and resolve issues.
• Knowledge of Site Reliability Engineering (SRE) principles, with an understanding of system reliability, availability, and stability practices.
• Experience using issue tracking and problem management tools to log, report, and manage incidents through to resolution.
• Clear and concise written and verbal communication skills, with the ability to convey technical information to both technical and non-technical stakeholders.
• Bachelor's degree or equivalent practical experience.

Beneficial Skills & Qualifications

• Scripting ability in Python or similar languages, supporting automation, diagnostics, or tooling improvements within the support function.
• Understanding of financial markets and products, providing useful context when supporting trading or business-facing applications.
• Experience contributing to process improvement or standardization initiatives within a technology support environment.
• Familiarity with how application support integrates across broader technology functions, and an awareness of its commercial impact.

What We Offer

At Citi, you will join a high-performing global technology team where your contributions directly shape the reliability and performance of systems used by thousands of users worldwide. This is an environment built on collaboration, continuous improvement, and meaningful technical work — offering both the autonomy to make decisions and the support to grow your career.

• Exposure to large-scale, complex financial technology systems across a global organization, broadening your technical depth and commercial awareness.
• Structured learning and development opportunities to deepen your expertise in SRE practices, middleware platforms, monitoring tooling, and cloud-native technologies.
• The opportunity to take ownership of meaningful support projects and initiatives, with real impact on system stability and business outcomes.
• A connected, team-oriented environment where knowledge sharing and cross-functional collaboration are part of everyday working practice.
• Access to Citi's broader wellbeing, financial, and family support programmes, as well as locally tailored benefits.

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