Application Support Technical Lead Analyst - Vice President
Job Req Id:
26984852
Location(s):
Belfast, Northern Ireland, United Kingdom
Job Type:
Hybrid
Posted:
Aug. 24, 2026
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
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.
The Technical Lead is a strategic professional who stays abreast of developments within own field and contributes to directional strategy by considering their application in own job and the business. Recognized technical authority for an area within the business. Requires basic commercial awareness. There are typically multiple people within the business that provide the same level of subject matter expertise. Developed communication and diplomacy skills are required in order to guide, influence and convince others, in particular colleagues in other areas and occasional external customers. Significant impact on the area through complex deliverables. Provides advice and counsel related to the technology or operations of the business. Work impacts an entire area, which eventually affects the overall performance and effectiveness of the sub-function/job family.
Responsibilities:
The Technical Lead is responsible to partner with multiple technology teams to ensure appropriate integration of functions to meet goals; identify and define necessary system enhancements; analyze existing system logic, identify problems; and recommend and implements solutions.
Provides expertise in area and an advanced level of understanding of the principles of apps support.
Formulates and defines systems scope and objectives for complex, high impact application enhancements and problem resolution through in-depth analysis and evaluation of complex business processes, systems and industry standards; documents requirements.
Partners with multiple technology areas and management teams to ensure appropriate integration of functions to meet goals.
Works closely with Product Owners, Business Analysts and Systems Analysts to determine and document Systems impacts and support requirements
Considers the implications of the application of technology to the current environment.
Identifies risks, vulnerabilities and security issues; communicates impact; proposes risk mitigation options.
Acts as advisor or coach to new or lower level analysts; allocates work.
Provides in-depth analysis with interpretive thinking to define problems and develop innovative solutions.
Directly impacts the business by influencing strategic functional decisions through advice, counsel or provided services.
Persuades and influences others through strong and comprehensive communication and diplomacy skills
Performs other duties and functions as assigned
Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.
Qualifications:
Experience:
Progressive experience in Leading highly scalable Production platform
Strong knowledge and working experience in the Corporate Banking domain, including critical payment flows, and transaction processing
Demonstrated leadership experience in high‑availability, large‑scale financial environments
Proven ability to lead cross‑functional teams and drive operational excellence
Core Responsibilities:
Hands-on experience managing large-scale, distributed online banking platforms.
Lead L2 Production Support for mission‑critical applications, ensuring stability, resilience, and 24/7 service availability
Drive incident management, real-time coordination, rapid triage, and timely restoration
Perform deep root cause analysis (RCA) and ensure long‑term preventive solutions
Build strong partnerships with engineering, architecture, infrastructure, and business teams
Foster a service-oriented culture in a high‑pressure, fast-paced environment
Monitoring & Observability:
Design and build strategic observability dashboards using gold signals (SLIs, SLOs, Latency, Business KPIs)
Troubleshoot telemetry and instrumentation issues across on-prem, ECS, Kubernetes, and cloud environments
Drive end-to-end client journey visibility, especially for Digital Channels and other critical business flows
Integrate and optimize modern observability and monitoring tools
Collaborate with Architecture to embed Observability NFRs into the SDLC
Apply SRE fundamentals to improve system reliability and reduce operational toil
Evaluate and onboard new tooling to enhance Monitoring & Observability capabilities
Technical Expertise:
Unix/Linux: log analysis, performance investigation, process debugging
Scripting: Shell and Python for automation and support utilities
Databases: Oracle & MongoDB troubleshooting
Replication: Oracle GoldenGate triage and health monitoring
Messaging: Kafka (consumer lag, offsets), TIBCO EMS troubleshooting
Observability Tools: Grafana, Prometheus, Open Telemetry, ELK, AppDynamics, ITRS Geneos
Cloud / Containers: Google Cloud Observability (Monitoring, Logging, Tracing), OpenShift, ECS, Kubernetes
Ability to build consolidated E2E monitoring views across hybrid infrastructure
AI Enablement:
Identify L2 operational use cases for AI-driven automation and remediation
Collaborate to build business cases for Citi AI solutions
Drive adoption of AI to reduce manual effort and improve incident predictability
Leadership:
Strong leadership capabilities with the ability to mentor L1/L2 teams
Strategic thinker with excellent practical problem‑solving skills
Strong interpersonal and relationship-building skills across technology and business stakeholders
Excellent communication during high-severity incidents and executive updates
Ability to thrive in a fast-paced, service-oriented environment, maintaining composure under pressure
Education:
Bachelor’s/University degree, Master’s degree preferred
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.
#LI-BH3
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Job Family Group:
Technology------------------------------------------------------
Job Family:
Applications Support------------------------------------------------------
Time Type:
Full time------------------------------------------------------
Most Relevant Skills
Please see the requirements listed above.------------------------------------------------------
Other Relevant Skills
For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------
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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