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Job Details


Belfast, Northern Ireland

Closing Date

2024-02-05 00:00:00


Senior Site Reliability Engineer

  • Job Description

    Citi Overview

    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.


    Citi Belfast is one of the largest employers in Northern Ireland with a diverse and talented team of over 3000 people from over 40 different nationalities across our four Belfast offices.


    We are the only global investment bank operating in Northern Ireland. Every day, our local experts interact with global teams in over 100 countries developing and supporting next-generation technology solutions for the enterprise and delivering critical services to the bank and its customers, to make sure we are a stronger and safer organization for our clients.


    You will have a truly global reach, which will provide you with new experiences and development opportunities right here in Belfast’s iconic Titanic Quarter.


    Why Citi? Join a Global Bank that believes in its talent.

    Due to significant and continued investment, Citi’s technology team is growing. We’re looking for talented, driven individuals to help build the future of global banking. At Citi, you’ll have the chance to build the career you want, with the scale, inclusive culture, and technology to support you.

    You’ll be joining a diverse team of professionals across the world in an environment focused on growth and progress. This is the opportunity to take your career to the next level through the power of Citi’s unmatched globality and vast expertise.


    About the Team: ICG Production Management

    Our Production Management team provides critical business and technical support to the Institutional Client Group (ICG); working collaboratively to ensure that our platforms and services operate for our clients, whenever they need them.  We act as highly skilled and valued partners to our businesses.


    Working as part of our Production Management team, you will help deliver a world class client service and experience, by applying engineering, innovation, learning and risk management across our systems and user environments. We interact with a diverse range of people each day, collaborating to solve problems as well as to anticipate and remove them before they occur. At Citi we look to raise the bar of operational excellence by using Site Reliability Engineering (SRE) principles to implement continuous improvement across key areas like latency, availability, performance, and capacity. We welcome candidates with SRE mindsets and experience who are keen to promote the adoption of SRE culture at Citi.


    Citi’s distinct global network of people, data and relationships creates a mindset that allows us to identify opportunities, manage risks and connect dots for our clients in ways that others cannot. Our people really do make all the difference in our success. We’re a forward-thinking team. We’re looking for ambitious, capable professionals who thrive on collaboration and want to improve how things are done. In return, we offer rewarding work in a supportive environment, clear opportunities for progression and exciting company benefits


    Role Overview

    As a Senior Site Reliability Engineer within Institutional Clients Group, Production Management, you will operate across critical, large cross-departmental and multi-disciplinary areas within ICG to deliver high impact work.  The role is part of a multi-year transformation journey that will require a successful candidate to establish best practices, motivate and promote a cultural shift that will ensure a successful adoption of SRE Principles and Practices.


    This role presents an excellent opportunity for a successful candidate to develop a broad range of technical and soft skills, as well as the ability to develop an understanding of the different business functions within ICG. You will gain significant experience of the advanced technologies used to run our business regionally and globally, giving you vast exposure to new and existing methodologies and systems.

    There will be multiple opportunities for exposure to our firmwide technology network and potential to develop into a role in one of our many growing technology functions throughout Citi. If you can demonstrate an appetite to learn technical concepts, have strong problem-solving skills and an ability to build excellent working relationships then we want to hear from you!



    • The Site Reliability Engineer is responsible to partner with multiple technology teams to ensure appropriate integration of functions to meet goals; identify and define necessary system enhancements; analyse existing system logic, identify problems; and recommend and implements solutions.
    • Improve the service level the team provides to our end users, which includes maximizing operational efficiencies, strengthening incident management, problem management, resiliency, and recoverability in addition to knowledge sharing practices.
    • Guide development teams on application stability and supportability improvements.
    • Drive continued cost reductions and efficiencies across the portfolios supported by means of Root Cause Analysis reviews, Knowledge management, Performance tuning, and user training.
    • Fosters a culture that promotes transparency and innovation for increased team productivity.
    • Coaching members of the team and outside the immediate reporting line about the best practices and recognises anti-patterns that are quickly addressed.
    • Avidly communicates progress and project status across the organisation and ensures that stakeholders are managed appropriately throughout the execution period.
    • Appropriately assessing risk when business decisions are made, demonstrating 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 behaviour, conduct and business practices, and escalating, managing, and reporting control issues with transparency.



    • Excellent debugging, analytical and problem-solving skills: ability to isolate root cause across networking/infrastructure, application, and database stacks
    • Passion for continuous improvement and experience in toil elimination/automation.
    • Excellent understanding of SRE concepts (MTTs, SLI/SLO/SLA, error budgets, etc.) and Production Support Operations.
    • Excellent understanding of Software Engineering concepts such as Software Development Life Cycle and GitOps.
    • Polyglot developer mentality and ability to pick up new languages and skills.
    • Ability to engage senior stakeholders and lead discussions with clear, articulate, and highly assertive communication skills, adapting content/delivery for different audiences.
    • Experience of delivering software using Agile delivery methodologies is a must (SCRUM/Kanban)
    • Prior experience in a critical role with high business impact will be considered advantageous.
    • Operational experience with orchestration tools for CI/CD and Infrastructure-as-Code tooling is highly desirable.
    • Experience designing & implementing observability solutions for data systems to enable a holistic view of system health
    • Operational experience of deploying and running services at scale on top of OpenShift/ /Kubernetes stack and a service mesh, is highly desirable


    Education / Higher Level Qualifications

    Bachelor’s/University Degree or equivalent experience will be considered

    Exceptional candidates who do not meet these criteria may be considered for the role provided they have the necessary skills and experience as outlined above.


    What we Offer

    We work hard to have a positive financial and social impact on the communities we serve. In turn, we put our employees first and provide the best-in-class benefits they need to be well, live well and save well.

    We’ll provide you with the resources to meet your unique needs, empower you to make healthy decisions, and allow you to choose which benefits suit you and your personal life best.

    Visit our Global Benefits page to learn more.

    Highlights to our core benefits include:

    • Award winning pension
    • On-site health services
    • Private medical insurance packages to suit your personal circumstances
    • Paid parental leave
    • Generous holiday allowance starting at 27 Days plus bank holidays; increasing with tenure

    Citi Belfast also champions diversity within our workforce, which helps us be well and live well together. We have over 40 different nationalities in our Northern Ireland offices, are a vocal supporter of LGBTQ+ rights, and are proud to have 47% of our leadership team made up of individuals who identify as women.

    We encourage and lead inclusivity through our Pride, Disability, Multicultural, Families Matter, and Women affinity networks that are run by and for, Citi Belfast colleagues; providing them with the support they need in their personal and professional journeys and supplying them with the tools to help educate colleagues on all things related to each network to help us work better together.

Apply Now

Applications processed via employer's online application form