Senior Mainframe z/OS Engineer- New Jersey- Hybrid(Initially Remote ) GC/USC only

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SK

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12:09 PM (12 hours ago) 12:09 PM
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Hello,

Greetings for the day!

Please let me know if you have any consultants for the below role.

Job Title: Principal Mainframe z/OS Engineer - Lead / Architect / Principal level

Job Type: Contract ( GC, USC only)

Duration: Long Term

Exp: 18+ years

Location: New Jersey

Industry: Capital Markets, Asset Servicing, Investment Management

Handled:

o   Production issues
o   Batch failures
o   Data discrepancies
o   Financial accuracy

Role Overview

This role is for Principal-level Mainframe z/OS Engineer to take end-to-end ownership of critical trading, valuation, and fund accounting platforms. These systems directly support portfolio valuation, financial reporting, and regulatory obligations where accuracy and reliability are non-negotiable.

This role involves designing and managing core financial processing logic across:

  • End-to-end trade lifecycle (capture through settlement)
  • Fund accounting and investment book of record
  • Daily/monthly NAV computation and financial close
  • Audit replay, historical restatement, and regulatory correction workflows

The ideal candidate brings deep domain expertise in capital markets, strong batch engineering capabilities, and a track record of delivering highly accurate, high-volume financial systems under strict regulatory oversight.

Required Skills & Experience

  • 18+ years of hands-on mainframe application development
  • Advanced expertise in:
  • Enterprise COBOL (high-precision financial calculations, packed decimal handling)
  • DB2 for z/OS (complex SQL tuning, performance engineering)
  • CICS TS and/or IMS TM transaction processing
  • JCL, PROCs, and enterprise batch processing frameworks
  • Strong experience across:
  • Trading and post-trade processing systems
  • Investment accounting and fund administration platforms
  • NAV calculation and valuation engines
  • Demonstrated ownership of production-critical financial applications
  • Expertise in:
  • Accounting close cycles and NAV processing
  • Reconciliation workflows and break resolution
  • Corporate actions lifecycle management
  • Multi-currency valuation and FX rate application
  • Experience with scheduling and deployment tools:
  • Control-M, CA-7, or Tivoli Workload Scheduler
  • Endevor, Changeman (or similar SCM tools)
  • Hands-on exposure to:
  • Audit replay and historical data restatement frameworks
  • Large-scale asset manager or custodian environments

Key Responsibilities

  • Lead the architecture and development of Enterprise COBOL applications supporting:
  • Trade capture, settlement, and lifecycle processing
  • Position, holdings, and cash accounting systems
  • Daily, monthly, and ad-hoc NAV calculations
  • Take full ownership of financial accuracy and data integrity across systems
  • Design and implement restartable, checkpoint-driven batch frameworks for financial close processes, including:
  • Multi-currency valuation and FX conversions
  • Income accruals, amortization, and distribution calculations
  • Corporate actions such as dividends, splits, and mergers
  • Build systems capable of reprocessing historical data for audit, reconciliation, and regulatory corrections
  • Troubleshoot and resolve NAV breaks and accounting discrepancies within strict reporting deadlines
  • Design and optimize DB2 data models for:
  • High-volume trade, position, and pricing datasets
  • Historical valuation and reporting data
  • Perform advanced performance engineering:
  • EXPLAIN plan analysis
  • Access path tuning
  • Index strategy optimization
  • Address production challenges including locking issues, batch overruns, and data skew
  • Develop scalable batch processing solutions with parallel execution capabilities for EOD/EOM cycles
  • Optimize COBOL programs for performance, focusing on CPU utilization, I/O efficiency, and consistent processing windows
  • Build and maintain integration layers using IBM MQ for:
  • Trade and pricing feeds
  • Market data ingestion
  • Downstream accounting and reporting systems
  • Deliver data feeds for risk management systems and regulatory reporting platforms
  • Support API enablement initiatives via z/OS Connect EE
  • Act as the technical owner for high-impact financial components and lead root-cause investigations for:
  • Financial inconsistencies
  • Reconciliation breaks
  • Batch and online processing failures
  • Support SOX, SEC, and internal audits by ensuring complete traceability and replay capability of financial processing logic

Thanks and Regards
Sai Kumar
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