Arthur Grand Technologies is currently seeking a highly motivated and skilled Mainframe Z/OS Engineer/Architect/Lead Developer for one of our clients.
Principal Mainframe z/OS Engineer/ Architect/Lead Developer
Contract/Fulltime
Initial Remote then hybrid. Jersey City, NJ
Please see that the candidate 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
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)
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 Technologies:
Arthur Grand Technologies is a leading provider of staffing and technology consulting services. Our company is managed by a team of professionals who have worked for big 5 consulting firms for 20+ years. We are a minority-owned staff augmentation and technology consulting company.
At Arthur Grand Technologies, we value our employees & contractors and strive to provide them with challenging, interesting work, market-relevant benefits, and opportunities for professional growth. If you have the necessary qualifications, and are excited to join a dynamic team, please send your resume to [email protected] for immediate consideration.
Thank you for considering Arthur Grand Technologies. We look forward to hearing from you soon.
Best regards,
Manikandan
[email protected]
Arthur Grand Technologies Inc
www.arthurgrand.com
Arthur Grand Technologies is an Equal Opportunity Employer (including disability/vets)
Application Question(s):
- Z/OS
- Trade Lifecycle
- Investments
- Funding
Experience:
Ability to Commute:
- Jersey City, NJ 07302 (Required)
Ability to Relocate:
- Jersey City, NJ 07302: Relocate before starting work (Required)
Work Location: Hybrid remote in Jersey City, NJ 07302
