Overview of the Role: Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides 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. As a bank with a brain and a soul, Citi creates economic value that is systemically responsible and in our clients’ best interests. As a financial institution that touches every region of the world and every sector that shapes your daily life, our Enterprise Operations &amp; Technology teams are charged with a mission that rivals any large tech company. Our technology solutions are the foundations of everything we do from keeping the bank safe, managing global resources, and providing the technical tools our workers need to be successful to designing our digital architecture and ensuring our platforms provide a first-class customer experience. We reimagine client and partner experiences to deliver excellence through secure, reliable, and efficient services. Our commitment to diversity includes a workforce that represents the clients we serve from all walks of life, backgrounds, and origins. We foster an environment where the best people want to work. We value and demand respect for others, promote individuals based on merit, and ensure opportunities for personal development are widely available to all. Ideal candidates are innovators with well-rounded backgrounds who bring their authentic selves to work and complement our culture of delivering results with pride. If you are a problem solver who seeks passion in your work, come join us. We’ll enable growth and progress together.As an Infrastructure SRE Specialist within Citis Enterprise Operations &amp; Technology, specifically supporting the Chief Information Security Office (CISO), you will be a critical part of a team dedicated to safeguarding Citi’s and its clients assets and information. You will be responsible for ensuring the high availability, performance, and reliability of our IT infrastructure components. This role requires a strong focus on diagnosing and troubleshooting complex issues, continuous improvement through automation and new technologies, and proactive system health monitoring. A significant aspect of this role will involve migrating virtualized environments to the OpenShift platform and enhancing database technologies, particularly MS SQL Server.Responsibilities:<ul><li>Infrastructure Management &amp; Reliability:<ul><li>Diagnose, troubleshoot, and ensure the high availability and optimal performance of all critical IT infrastructure components.</li><li>Act as a key escalation point for 1st and 2nd line Service Desk teams, providing advanced technical support and driving resolutions.</li><li>Proactively identify and address problems, performance bottlenecks, and areas for improvement across the infrastructure landscape.</li><li>Run and maintain the production environment by continuously monitoring system health, availability, and performance.</li></ul></li><li>System Engineering &amp; Enhancements:<ul><li>Design, deploy, and maintain robust Windows-based infrastructure, including expertise in servers, Active Directory, DNS, and Group Policy.</li><li>Refine existing systems and actively introduce new technologies and best practices to enhance infrastructure productivity and reliability.</li></ul></li><li>Database Management &amp; Expertise:<ul><li>Demonstrate expert knowledge of MS SQL Server queries and other critical database technologies for management, tuning, and troubleshooting.</li></ul></li><li>Cloud &amp; Platform Migration:<ul><li>Lead and execute the migration of existing virtualized environments to the OpenShift platform.</li></ul></li><li>SRE Principles &amp; Automation:<ul><li>Gather and analyze comprehensive metrics from both operating systems and applications to aid in performance tuning, fault finding, and capacity planning.</li><li>Create and implement sustainable systems and services through extensive automation and continuous uplifts.</li><li>Partner with development teams to enhance service quality through rigorous testing procedures and controlled release management.</li><li>Balance the speed of feature development with critical reliability and well-defined service-level objectives (SLOs).</li></ul></li><li>Collaboration &amp; Documentation:<ul><li>Collaborate effectively with cross-functional teams, ensuring seamless operations and alignment with strategic initiatives.</li><li>Document all system configurations, procedures, and troubleshooting guides thoroughly.</li><li>Provide expert support for complex technical issues, guiding colleagues and ensuring effective resolution.</li></ul></li></ul>Qualifications:<ul><li>Experience:<ul><li>6+ years of extensive IT support experience with a strong background in infrastructure management and reliability engineering.</li><li>Proven experience in migrating virtualized environments to the OpenShift platform.</li><li>Demonstrated experience with MS SQL Server and other database technologies.</li></ul></li></ul>Technical Skills:<ul><li>Operating Systems:<ul><li>Proficiency in Microsoft Windows administration, including Windows Server environments.</li><li>Solid working knowledge of Linux operating systems.</li></ul></li></ul><ul><li>Microsoft Ecosystem: Expert proficiency in Office 365, Exchange, SharePoint, and Active Directory.</li><li>Infrastructure Services: Strong expertise in DNS, Group Policy, Backup solutions, and general infrastructure components.</li><li>Cloud: Hands-on experience with Azure.</li></ul><ul><li>Networking: Strong knowledge of TCP/IP networking protocols, switches, routers, and wireless networking.</li><li>Database: Expert knowledge of MS SQL Server queries and experience with other database technologies.</li><li>Platform: Experience with OpenShift platform migration and management.</li></ul>Soft Skills:Dedicated to providing high-quality, superior service and ensuring optimal system uptime. Ability to provide comprehensive hardware, software, and network problem analysis and resolution support (both remotely and on-site). Ability to work collaboratively and effectively in a fast-paced, cross-functional team environment. Proactive approach to identifying problems, performance bottlenecks, and areas for continuous improvement. Excellent communication skills, capable of documenting complex technical details and collaborating with diverse teams.------------------------------------------------------Job Family Group: Technology------------------------------------------------------Job Family:Applications Development------------------------------------------------------Time Type:Full time------------------------------------------------------Primary Location:Tampa Florida United States------------------------------------------------------Primary Location Full Time Salary Range:$113 840,00 - $170 760,00 In addition to salary, Citi’s offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards. Citi offers competitive employee benefits, including: medical, dental &amp; vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays. For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.------------------------------------------------------Most Relevant Skills Please see the requirements listed above.------------------------------------------------------Other Relevant Skills For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------Anticipated Posting Close Date:oct 28, 2025------------------------------------------------------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 <a href="https://www.citigroup.com/citi/accessibility/application-accessibility.htm" target="_blank">Accessibility at Citi</a>. View Citi’s <a href="https://www.citigroup.com/global/eeo-aa-policy" target="_blank">EEO Policy Statement</a> and the <a href="https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf" target="_blank">Know Your Rights</a> poster.