Mainframe Engineer

Contract
Hybrid
$45-50/hr
Jersey City, NJ; East Merrimack, NH

Job description

Must Have Skills:

-COBOL, CICS, DB2, JCL

  • Oracle and SQL

  • AWS

  • REST APIs

  • Jira

  • Domain: Brokerage, Corporate Actions, Trade Settlement

PRIOR REJCETED CANDIDATE FEEDBACK:

-Not able to answer questions pertaining to DB2 Cursors, JCL Overriding

-Gave vague answers for Optimization questions

Role Summary

This role focuses on the ongoing maintenance and support of core mainframe applications. You will be responsible for managing complex legacy logic, researching system behaviors, and ensuring the stability of brokerage platforms. While the primary focus is on mainframe technologies, a foundational understanding of cloud environments is required to support long-term modernization efforts. You are expected to independently review designs, ask critical questions, and challenge technical approaches to ensure optimal system performance.

Core Responsibilities

Application Maintenance: Maintain and optimize existing mainframe applications, focusing on COBOL, CICS (online and batch), and JCL environments.

Logic & Event Analysis: Research and review existing mainframe logic to determine how events behave and document findings for technical stakeholders.

Database Management: Manage data and execute complex queries using DB2 and SQL.

Independent Research: Independently analyze system behaviors and conduct thorough design reviews to identify potential improvements or risks.

Collaborative Development: Partner closely with developers to refine technical stories and requirements within an Agile environment. Ability to understand API driven cloud applications and collaborate with modernization teams.

Debugging & Troubleshooting: Perform end-to-end analysis and debugging of production issues, including the ability to look deeply into system logs.

AI Integration: Use Copilot and other AI-assisted tools to facilitate code research, analysis, and maintenance tasks.

Top Required Skills

Mainframe Tech Stack: Deep expertise in COBOL, CICS, DB2, and JCL.

Domain Knowledge: Professional experience in the BFSI sector, specifically within Brokerage, corporate actions, Trade Settlement, or loan origination.

Data & SQL: Strong understanding of DB2; knowledge of Oracle, SQL or other distributed databases is highly preferred.

Cloud & Modernization Basics: Foundational knowledge of cloud platforms (AWS) and distributed systems to assist with potential modernization transitions.

Agile Tools: Proficiency in Jira for task tracking and project management.

Distributed Architecture: Understanding of REST APIs and the basic functionality of distributed web applications.

More information

Minimum education level

Bachelor's

Experience level

Senior (5-7 years) · Expert and leadership (8+years)

Job skills

Mainframe Programming

DB2 Database Management

JCL Scripting

CICS Transaction Server

Performance Tuning

System Maintenance

Batch Processing

Client company information

The client company is confidential. Details will be shared after mutual interest is confirmed.

Company overview

company-logo
cbl solutions

Staffing and Recruiting·201-1,000 employees

CBL Solutions delivers enterprise-grade IT talent and delivery support for organizations operating at scale. Based in the United States with a global delivery footprint, CBL specializes in rapid, compliant staffing and delivery models across complex technology environments. Clients rely on CBL to reduce time-to-impact, manage risk, and maintain quality while hiring at speed. CBL operates across the U.S. and India using a structured hybrid model—onsite, nearshore, and offshore—designed to balance cost, control, and collaboration without sacrificing outcomes. Supporting Critical IT Hiring and Delivery in 2025 CBL works with growth-stage and enterprise organizations where hiring delays, compliance risk, and delivery gaps create real business exposure. The firm focuses on start-ready talent, governance-first delivery, and measurable outcomes, helping leaders move from requisition to execution faster and with greater confidence. Rather than optimizing for volume alone, CBL emphasizes fit, readiness, and accountability—so teams integrate quickly and perform predictably in production environments. Why CBL Solutions • Rapid Talent Deployment: Start-ready IT talent deployed in days, not months, with fit assurance to reduce procurement and delivery risk. • Enterprise Compliance & Quality Assurance: Governance, vetting, and compliance built into every engagement—aligned with CIO, security, and procurement standards. • Scalable Recruiting Capacity: Dedicated recruiter teams designed to support high-volume, high-complexity hiring without bottlenecks. • Hybrid Delivery Framework: Flexible onsite, nearshore, and offshore delivery pods with clear control and risk tiers. • Outcome-Driven Engagements: Focused on time-to-impact, cost of delay avoided, and retention—connecting talent decisions to business results. CBL Solutions is engaged when IT hiring must move fast, stay compliant, and deliver measurable value from day one.