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Apps Dev Tech Lead Analyst - C13

Job Req Id:

26965932

Location(s):

Belfast, Northern Ireland, United Kingdom

Job Type:

On-Site/Resident

Posted:

Jun. 09, 2026

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Job Overview

We are seeking a Cloud & Middleware Infrastructure DevOps Engineer to drive the migration of on-premise applications to private cloud platforms like AWS or GCP. Key responsibilities include WebSphere/Tomcat administration, Linux (RHEL) and OpenShift management, CI/CD automation (GitHub, Jenkins), Docker/Kubernetes containerization, scripting (Shell, Ruby, Python), and implementing secure, highly available cloud-native solutions. Strong experience in cloud migration, DevOps practices, and application infrastructure modernization is essential.


Responsibilities:

  • Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements
  • Resolve variety of high impact problems/projects through in-depth evaluation of complex business processes, system processes, and industry standards
  • Provide expertise in area and advanced knowledge of applications programming and ensure application design adheres to the overall architecture blueprint
  • Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation
  • Develop comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals
  • Provide in-depth analysis with interpretive thinking to define issues and develop innovative solutions
  • Serve as advisor or coach to mid-level developers and analysts, allocating work as necessary
  • 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.

    Key Responsibilities:

    • Lead the migration of WebSphere and Tomcat applications from on-premise environments to AWS or Google Cloud.
    • Build and automate cloud-native deployments using Docker, Kubernetes, and Red Hat OpenShift.
    • Design and implement high availability, load balancing, and failover solutions in the cloud.
    • Develop CI/CD pipelines with GitHub and Jenkins for automated cloud deployments.
    • Write automation scripts in Shell, Python, or Ruby for infrastructure management.
    • Implement cybersecurity best practices, including vulnerability assessments and cloud security controls.
    • Integrate application servers with web servers, databases (via JDBC), and messaging systems (JMS).

    Required Skills:

    • Strong background in WebSphere Application Server (WASND) and Apache Tomcat administration.
    • Hands-on expertise with Docker, OpenShift, and cloud-native DevOps tools.
    • Proficiency in scripting languages (Shell, Python, or Ruby).
    • Solid understanding of cloud networking, IAM, and security best practices.

    Preferred:

    • Cloud certifications (AWS, GCP).
    • Experience with Infrastructure as Code (Terraform, Ansible).

    Education:

    • Bachelor’s degree/University degree or equivalent experience
    • Master’s degree preferred

    This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

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      Job Family Group:

      Technology

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      Job Family:

      Applications Development

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      Time Type:

      Full time

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      Most Relevant Skills

      Please see the requirements listed above.

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      Other Relevant Skills

      For complementary skills, please see above and/or contact the recruiter.

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      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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