Omnesys Platform Lead

Citi; New York (NY); Hybrid; USD 26,000 - 44,000; Full time

Job summary

Citi India Equities Technology seeks a Senior Infrastructure & Specialist to ensure high availability of HFT infrastructure and applications. You will support Linux environments, FIX connectivity, and DMA/algorithmic trading platforms, coordinating with vendors and internal teams.

You will manage incident resolution, batch automation, and regulatory data transfers, working with cross-functional partners in a hybrid setup across Mumbai and global teams.

Qualifications

• 7+ years in production support, applications, or infra operations in capital markets/investment banking.
• Bachelor's degree in Engineering or related technical field.
• Strong Linux/Unix administration and troubleshooting.

Responsibilities

• Maintain multi-tier UAT and Production environments for trading.
• Design and monitor batch jobs using Autosys for critical workflows.
• Lead FIX connectivity platform configuration, onboarding, testing, and certs.
• Provide on-floor L1/L2 support to high-touch trading desks and DMA/algos.
• Coordinate exchange connectivity tasks and liaise with vendors and internal teams.
• Manage incidents from detection to RCA and ticketing (ServiceNow, Jira).
• Ensure regulatory file transfers to SEBI and clients.

Skills

Linux/Unix

FIX protocol

Autosys

ITRS Geneos

ServiceNow

Jira

Shell scripting

Trading platforms

Windows OS

Capital markets

Education

Engineering degree

Tools

PostgreSQL

Oracle

Job description

Omnesys Platform Lead

Job Req Id:

26991115

Location(s):

Mumbai, Maharashtra, India

Job Type:

Hybrid

Posted:

Sep. 04, 2026

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Job Overview

Position Overview

We are seeking a highly skilled and experiencedSenior Infrastructure & Specialistto 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.

Key Responsibilities

1. Infrastructure & Environment Management

• Environment Maintenance:Manage and maintain multi-tier UAT and Production environments, ensuring system stability, configuration consistency, and readiness for daily trading activities.
• Batch Scheduling & Automation:Design, configure, monitor, and troubleshoot batch jobs usingAutosysto automate critical operational workflows and data processing.
• System Operations:Perform daily Start of Day (SOD) and End of Day (EOD) activities on Linux systems to guarantee environment availability for live trading.
• Database Support:Query and manage relational databases (SQL, Postgres, Oracle) to fetch data, analyze table partitions, and support data warehousing requirements.

2. Application & Connectivity Support

• FIX Connectivity Management:Lead the functional enhancement, configuration, and monitoring of theFIX connectivity platform. Manage client onboarding, UAT testing, and certification of FIX algos.
• 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.
• 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).
• 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.

3. Monitoring, Incident & Change Management

• Proactive Monitoring:Utilize enterprise monitoring tools such asITRS Geneosto track system health, latency, and connectivity, proactively addressing alerts before they impact the business.
• Incident Resolution:Own and manage production incidents from detection through to resolution. Perform root cause analysis (RCA) and raise/track tickets inServiceNowandJira.
• 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.
• Regulatory Reporting:Ensure timely processing and transfer of operational and transaction files (e.g., OTR files) to regulatory bodies (e.g., SEBI) and clients.

Required Technical Skills & Qualifications

Experience & Education

• Experience:Minimum of 7+ years of experience in production support, application support, or infrastructure operations within the Capital Markets / Investment Banking domain.
• Education:Bachelor’s degree in Engineering (Electronics & Telecommunications, Computer Science, or a related technical field).

Technical Competencies

• Operating Systems:Strong administration and troubleshooting skills inLinux/Unixand Windows environments.
• Scripting:Proficiency inUnix Shell Scriptingfor task automation, log analysis, and data extraction.
• Protocols:Deep understanding ofFIX Protocols(session and application levels) and FIX configuration.
• Databases:Solid experience writing SQL queries and working withPostgres, Oracle, or SQL Server.
• Tools & Applications:
  • Scheduling:Autosys
  • Monitoring:ITRS Geneos
  • Ticketing/Collaboration:ServiceNow, Jira
  • Trading Applications:Experience with trading platforms (e.g., Omnesys, Traderpath, Gatelab HFT, Bloomberg) is highly desirable.

Soft Skills & Domain Knowledge

• Domain Expertise:Comprehensive understanding of capital markets, equity/derivatives trading lifecycles, and high-frequency trading (HFT) concepts.
• Stakeholder Management:Ability to collaborate effectively with diverse stakeholders, including Institutional Sales, Execution Traders, QA, Compliance, and external vendors.
• Problem-Solving:Exceptional analytical skills with the ability to perform under pressure during live market hours.

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Job Family Group:

Technology

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Job Family:

Infrastructure

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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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