Applications Support Technical Lead, Citi

Citi

Location:
United Kingdom, Belfast

Category:
IT - Administration

Contract Type:
Employment contract

Salary:

Not provided

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Job Description:

This is a rare opportunity to be at the forefront of the onboarding and support of the next generation of custody applications and technology as Citi transforms its operating environment to meet growing business demands. You will work as part of the Production Management team along with our development and infrastructure as they deliver resilient, future-ready platforms using modern cloud-based technology along with SRE tools to integrate with elements of the evolving existing platforms. You will develop as a subject matter expert supporting the applications and flows in the production environments as our Custody product offering expands to support digital and tokenized assets alongside the existing securities workflow

Job Responsibility:

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 implement solutions
coordination with development teams to onboard new applications, establish processes for support, and prioritization of stability book of work
provide expertise in area and an advanced level of understanding of the principles of apps support
formulate and define systems scope and objectives for complex, high impact application enhancements and problem resolution
work closely with product owners, business analysts and systems analysts to determine and document systems impacts and support requirements
identify risks, vulnerabilities and security issues
communicate impact
propose risk mitigation options

Requirements:

At least 6 years' relevant experience
experience in leading a production support unit in a capital market/institutional banking business
proficiency with observability tools such as Grafana and Prometheus
knowledge of DevOps and SRE practices with experience of automation to improve the support of production environments
strong database skills such as Oracle or MSSQL, preferably Oracle
extensive experience in working with both distributed cloud platforms (e.g., Openshift)
exposure to JIRA
experience in incident and problem management, and DR/resiliency activities
experience in onboarding new applications and establish support framework
practical problem solving and strategic thinking skills
demonstrated leadership, interpersonal skills and relationship building skills
experience working or leading requirement gathering efforts for multiple large development projects at one time
good interpersonal and communication skills

Nice to have:

ITIL certified

What we offer:

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

Additional Information:

Job Posted:
September 11, 2025

Employment Type:

Fulltime

Work Type:

On-site work

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Applications Support Technical Lead