Full job description Discover your future at Citi
Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 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
Are you looking for a career move that will put you at the heart of a global financial institution?

By Joining Citi, you will become part of a global organisation whose mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress.

Team/Role Overview
The Infrastructure Technology Senior Lead Analyst is a senior-level position responsible for managing and guiding a team that ensures efficient and effective Citi infrastructure in coordination with the Technology Team. The overall objective of this role is to leverage deep expertise across both infrastructure technology and application development to lead a team, drive automation, and enhance stateful applications, and ensure the reliability, performance, and compliance of the overall technology ecosystem.

What you’ll do

Server and Application Management:
*Design, build, and maintain highly available and secure Windows Server environments.
*Manage the full lifecycle of application software, including version control, deployment pipelines, and release management.
*Administer and serve as the subject matter expert for the Tricentis TOSCA Test suite, overseeing its architecture, implementation, and optimization.
*Provide senior-level administration for mixed Windows and Linux environments to ensure seamless integration.
Storage and Data Management: *Procure, monitor, and manage enterprise storage solutions, including NAS, SAN, ScaleIO, and S3 object storage.
*Implement and manage storage access controls using Active Directory groups.
*Design and implement secure file transfer configurations using SFTP and NDM (Connect:Direct).
Application Development and Support: *Lead the development, deployment, and performance tuning of stateful applications using Abinitio ETL, advanced Unix shell scripting, and SQL.
*Design, implement, and manage Run Book Automations (RBAs) to streamline operations and execute Application COB (Continuity of Business) and disaster recovery tests.
*Collaborate with business analysts and end-users to translate functional requirements into robust technical solutions and data workflows.
*Oversee the full software development lifecycle (SDLC) for assigned applications, ensuring high standards for code quality, testing, and release management.
System Reliability and Performance: *Architect and engineer robust middleware environments using platforms like Tomcat and WebSphere.
*Lead performance tuning, capacity planning, and high-availability initiatives for critical applications.
*Implement and test comprehensive infrastructure and application-level disaster recovery plans (including COB) to meet RTO/RPO targets.
*Design and manage advanced system monitoring and observability using tools like AppDynamics.
Risk and Compliance: *Partner with application and support teams to monitor, track, and resolve compliance items, including vulnerabilities (CVMPs, CVEs) and security configuration issues (GEMS).
Leadership and Troubleshooting: *Lead complex troubleshooting efforts to perform root cause analysis (RCA) and implement permanent solutions.
*Mentor junior and mid-level administrators on technical skills and operational best practices.
*Develop and maintain clear technical documentation for system configurations and procedures.
What we’ll need from you

Technical Skills: *Operating Systems: Expert-level Windows Server administration; proficiency in Linux.
*ETL & Data Integration: Good experience with Abinitio for developing and tuning complex data processing applications.
*Database: Proficiency in SQL, including performance tuning and query optimization.
*Scripting: Good command of Unix shell scripting for automation and application logic.
*Middleware: Deep experience with application servers such as Tomcat, WebSphere, or similar platforms.
*Storage Technologies: Hands-on experience with NAS, SAN, ScaleIO, and S3-based object storage.
*Virtualization: Good understanding of virtual machine environments (e.g., VMware, Hyper-V).
*Testing Suites: Proven experience in administering the Tricentis TOSCA Test suite.
*Monitoring Tools: Working knowledge with application performance monitoring (APM) tools like AppDynamics, Dynatrace, or New Relic.
*Disaster Recovery: Demonstrable experience in designing and executing both infrastructure and application-specific COB and disaster recovery plans and automations.
*Automation: Scripting skills for automation using PowerShell or Bash.
*Security: Familiarity with vulnerability management, server hardening, and Active Directory.
*ITSM: Experience with ServiceNow for incident and change management.
*File Transfer: Knowledge of SFTP and NDM (Connect:Direct) protocols.
Professional Skills: *Strong analytical and problem-solving abilities for effective root cause analysis.
*Excellent communication and collaboration skills.
*Proven ability to mentor and guide team members.
*A proactive approach to identifying and resolving potential system issues.
Education *Bachelor’s degree/University degree or equivalent experience
*Master’s degree preferred.
What we can offer you

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.

By joining Citi London, 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: *Generous holiday allowance starting at 27 days plus bank holidays; increasing with tenure
*A discretional annual performance related bonus
*Private medical insurance packages to suit your personal circumstances
*Employee Assistance Program
*Pension Plan
*Paid Parental LeaveSpecial discounts