Principe Mainframe zOS Engineer

Title of Position: Principal Mainframe z/OS Engineer

Location: Jersey City NJ- Hybrid

Duration: Long Term

Employment: Contract

Rate: $Negotiable

Must have:

1. Experience 18 years (strict)

2. Should be operating at: Lead / Architect / Principal level

3. Handled:

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

Job Description:

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

About Arthur Grand

Arthur Grand is an IT services firm specializing in Digital Transformation initiatives for Federal Commercial State & local customers. Since 2012 Arthur Grand has been successfully supporting and delivering IT services to our customers in the areas of enterprise modernization and transformation with a core focus on emerging technologies including Cloud Solutions (AWS Azure) Agile Development Custom Programming Full Stack Development DevOps DevSecOps CI/CD Web Development Mobile APP Development Data Visualization Data Warehousing Financial/ERP System Implementation and Infrastructure Management. Arthur Grands culture of delivery excellence combined with a commitment to bring the best talent to provide services has earned our company an unparalleled reputation for delivering transformative results.

 We are a minority-owned staff augmentation and technology consulting company

To keep our valued employees we need to keep them engaged in challenging interesting work offer market-relevant benefits and provide continued opportunities for professional growth. Please send your resume for immediate consideration

If you are interested in the above opportunity we warmly invite you to join our team.
 

Arthur Grand Technologies is an Equal Opportunity Employer (including disability/vets)

Additional Information :

All your information will be kept confidential according to EEO guidelines.

Remote Work :

No

Employment Type :

Contract