Top 128 Mainframe Developer Architect Jobs

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Principal Mainframe z/OS Engineer OR Mainframe Developer
Arthur Grand Technologies Inc —Jersey City, NJ
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Mainframe Architect/Engineer/Lead Developer

Arthur Grand Technologis
Jersey City, NJ

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Job Details

Full-time | Contract
11 days ago

Qualifications

Index optimization
Data integrity assurance
Performance tuning
Financial close processing
Currency conversion operations
Financial data reconciliation
DB2
Query plan analysis
Investment management software
Valuation
Application deployment
SQL
CICS
Query execution time improvement
Mainframe
Integration Platforms (Enterprise solutions)
Systems engineering
COBOL
Trading platforms
Mainframe development
Closing the books
Production batch processing
Data accuracy checks
Query management
Batch data processing
Systems architecture experience within finance
Accounting error correction
Accrual accounting
Corporate actions support
Trade settlement

Full Job Description

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)

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 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:

NAV: 5 years (Required)

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

Quick Apply

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