<h2>Position Overview</h2>We are seeking a highly skilled and experienced Senior Infrastructure & Specialist to join our India Equities Technology team. In this role, you will be responsible for ensuring the high availability, reliability, and performance of our mission-critical, high-frequency trading (HFT) infrastructure and applications.The ideal candidate will possess a strong background in capital markets, hands-on expertise in Linux/Unix environments, deep knowledge of the FIX protocol, and a proven track record of supporting high-touch trading desks, Direct Market Access (DMA), and algorithmic trading platforms. You will bridge the gap between infrastructure operations, development teams, and business stakeholders to maintain a seamless trading environment.<h2>Key Responsibilities</h2><h2>1. Infrastructure & Environment Management</h2><ul><li>Environment Maintenance: Manage and maintain multi-tier UAT and Production environments, ensuring system stability, configuration consistency, and readiness for daily trading activities.</li><li>Batch Scheduling & Automation: Design, configure, monitor, and troubleshoot batch jobs using Autosys to automate critical operational workflows and data processing.</li><li>System Operations: Perform daily Start of Day (SOD) and End of Day (EOD) activities on Linux systems to guarantee environment availability for live trading.</li><li>Database Support: Query and manage relational databases (SQL, Postgres, Oracle) to fetch data, analyze table partitions, and support data warehousing requirements.</li></ul><h2>2. Application & Connectivity Support</h2><ul><li>FIX Connectivity Management: Lead the functional enhancement, configuration, and monitoring of the FIX connectivity platform. Manage client onboarding, UAT testing, and certification of FIX algos.</li><li>Trading Desk Support: Provide on-floor L1/L2 production support to high-touch trading desks for equities, futures, and options, as well as DMA and algorithmic trading desks.</li><li>Exchange Connectivity: Coordinate and execute exchange connectivity tasks, including uploading exchange files, margin/position files, and participating in regular exchange mock trading sessions (e.g., NSE/BSE).</li><li>Vendor & Developer Collaboration: Act as the primary technical liaison with third-party application vendors (e.g., Omnesys, Traderpath) and internal development teams to resolve complex application bugs and deploy backend fixes.</li></ul><h2>3. Monitoring, Incident & Change Management</h2><ul><li>Proactive Monitoring: Utilize enterprise monitoring tools such as ITRS Geneos to track system health, latency, and connectivity, proactively addressing alerts before they impact the business.</li><li>Incident Resolution: Own and manage production incidents from detection through to resolution. Perform root cause analysis (RCA) and raise/track tickets in ServiceNow and Jira.</li><li>Change & Release Management: Schedule, coordinate, and deploy production changes, software packages, and drivers on servers during non-market hours, adhering to strict change control policies.</li><li>Regulatory Reporting: Ensure timely processing and transfer of operational and transaction files (e.g., OTR files) to regulatory bodies (e.g., SEBI) and clients.</li></ul><h2>Required Technical Skills & Qualifications</h2><h2>Experience & Education</h2><ul><li>Experience: Minimum of 7+ years of experience in production support, application support, or infrastructure operations within the Capital Markets / Investment Banking domain.</li><li>Education: Bachelor’s degree in Engineering (Electronics & Telecommunications, Computer Science, or a related technical field).</li></ul><h2>Technical Competencies</h2><ul><li>Operating Systems: Strong administration and troubleshooting skills in Linux/Unix and Windows environments.</li><li>Scripting: Proficiency in Unix Shell Scripting for task automation, log analysis, and data extraction.</li><li>Protocols: Deep understanding of FIX Protocols (session and application levels) and FIX configuration.</li><li>Databases: Solid experience writing SQL queries and working with Postgres, Oracle, or SQL Server.</li><li>Tools & Applications:<ul><li>Scheduling: Autosys</li><li>Monitoring: ITRS Geneos</li><li>Ticketing/Collaboration: ServiceNow, Jira</li><li>Trading Applications: Experience with trading platforms (e.g., Omnesys, Traderpath, Gatelab HFT, Bloomberg) is highly desirable.</li></ul></li></ul><h2>Soft Skills & Domain Knowledge</h2><ul><li>Domain Expertise: Comprehensive understanding of capital markets, equity/derivatives trading lifecycles, and high-frequency trading (HFT) concepts.</li><li>Stakeholder Management: Ability to collaborate effectively with diverse stakeholders, including Institutional Sales, Execution Traders, QA, Compliance, and external vendors.</li><li>Problem-Solving: Exceptional analytical skills with the ability to perform under pressure during live market hours.</li></ul>------------------------------------------------------<h2>Job Family Group: </h2>Technology------------------------------------------------------<h2>Job Family:</h2>Infrastructure------------------------------------------------------<h2>Time Type:</h2>Full time------------------------------------------------------<h2>Most Relevant Skills </h2>Please see the requirements listed above.------------------------------------------------------<h2>Other Relevant Skills </h2>For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------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.

Omnesys Platform Lead

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