Mainframe QA Analyst

ECCO Select; United States; On-site; USD 68,880 - 73,012; Part time

Benefits offered by this job

Medical insurance

Vision insurance

401(k)

Job summary

A leading tech consultancy is looking for an experienced Mainframe QA Analyst to support a modernization initiative involving the expansion of Unemployment Insurance Account Numbers. You will ensure system accuracy and data integrity while executing QA tasks. Ideal candidates have at least 5 years of mainframe QA experience, strong familiarity with COBOL and DB2, and excellent attention to detail. This is a contract position offering competitive hourly pay, suitable for detail-oriented professionals who thrive in high-pressure environments.

Qualifications

• 5+ years of mainframe QA or testing experience.
• Strong understanding of COBOL batch processing, CICS online systems, and DB2.
• Experience validating data using SQL and mainframe tools.
• Experience testing high-volume, mission-critical systems.
• Strong attention to detail and analytical skills.
• Experience working in z/OS environments.

Responsibilities

• Analyze business and technical requirements related to account number expansion.
• Develop test plans, test cases, and scenarios for mainframe systems.
• Execute testing for COBOL batch jobs, CICS online transactions, and DB2 changes.
• Validate correct handling of 9-digit account numbers across systems.
• Perform regression testing to ensure no disruption.
• Coordinate integration and end-to-end testing with downstream systems.
• Identify, document, and track defects through resolution.
• Validate data integrity before and after changes.
• Support User Acceptance Testing (UAT) and production validation.
• Maintain QA documentation and testing artifacts.

Skills

Mainframe QA or testing experience

COBOL batch processing

CICS online systems

DB2

SQL and mainframe tools

High-volume testing

Attention to detail

Analytical skills

z/OS environments

Job description

This range is provided by ECCO Select. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

$50.00/hr - $53.00/hr

Role Overview

We are seeking an experienced Mainframe QA Analyst to support a critical modernization initiative. The project involves expanding Unemployment Insurance (UI) Employer Account Numbers from 6 digits to 9 digits, impacting COBOL batch programs, CICS online transactions, DB2 databases, and integrated systems.

The Mainframe QA Analyst will be responsible for ensuring system accuracy, data integrity, and regression stability across the UI ecosystem, working closely with developers, DBAs, and state IT stakeholders.

Key Responsibilities

• Analyze business and technical requirements related to account number expansion
• Develop detailed test plans, test cases, and test scenarios for mainframe systems
• Execute testing for COBOL batch jobs, CICS online transactions, and DB2-related changes
• Validate correct handling of 9-digit account numbers across all impacted systems
• Perform regression testing to ensure no disruption to benefits, employer accounts, or reporting
• Coordinate and support integration and end-to-end testing with downstream systems
• Identify, document, and track defects through resolution
• Validate data integrity before and after code and database changes
• Support User Acceptance Testing (UAT) and production validation
• Maintain clear QA documentation and testing artifacts

Required Qualifications

• 5+ years of mainframe QA or testing experience
• Strong understanding of COBOL batch processing, CICS online systems, and DB2
• Experience validating data using SQL and mainframe tools
• Experience testing high-volume, mission-critical systems
• Strong attention to detail and analytical skills
• Experience working in z/OS environments

Preferred Qualifications

• Experience testing Unemployment Insurance, benefits, tax, or financial systems
• Familiarity with identifier expansion or data-structure changes
• Experience with government or highly regulated environments
• Knowledge of mainframe testing tools or batch schedulers
• Experience supporting long-term system modernization projects

Seniority level

• Associate

Employment type

• Contract

Job function

• Quality Assurance
• IT Services and IT Consulting

Benefits

• Medical insurance
• Vision insurance
• 401(k)