Remote Mainframe QA Lead – Core Banking Transformation

Slalom; Chicago (IL); Remote; USD 76,000 - 90,000; Part time

Benefits offered by this job

Health, dental, and vision coverage

401(k) with match

Well-being reimbursement ($350/year)

Paid holidays

Job summary

Slalom in a remote, EST-hour framework is seeking an experienced Mainframe QA Lead to guide manual testing for a large core banking modernization and core deposit replacement program.

You will design test strategies, execute test cases, validate data across mainframe and integrated banking systems, manage defects, and coordinate with business stakeholders and developers to ensure quality and release readiness.

Qualifications

• 7+ years of software quality assurance and testing experience.
• Proven experience leading manual testing efforts on large enterprise programs.
• Strong experience testing mainframe applications and transactions.
• Ability to navigate mainframe screens and validate data across interconnected systems.
• Experience developing and executing manual test cases and test scripts.
• Hands-on experience with Tosca.
• Hands-on experience with qTest.
• Experience validating complex data elements, business rules, and downstream processing results.
• Strong defect management, troubleshooting, and root-cause analysis skills.
• Excellent communication and stakeholder management skills.

Responsibilities

• Lead manual testing activities for a critical workstream within a large-scale core banking transformation program.
• Execute test cases and validate business processes across mainframe and integrated banking applications.
• Create, maintain, and enhance test scripts, test scenarios, and test execution documentation.
• Validate end-to-end account lifecycle and account servicing processes across multiple systems.
• Perform data validation and reconciliation to ensure accurate transmission of customer and account information between applications.
• Identify, document, and track defects through resolution.
• Collaborate with business stakeholders, product owners, developers, and other QA teams to ensure comprehensive test coverage.
• Support test planning, defect triage, status reporting, and release readiness activities.
• Utilize test management and execution tools to manage testing activities and reporting.

Skills

Mainframe testing

Stakeholder management

Communication

Test design

Defect management

Agile

Data validation

Tools

Tricentis Tosca

qTest

Job description

Slalom in a remote, EST-hour framework is seeking an experienced Mainframe QA Lead to guide manual testing for a large core banking modernization and core deposit replacement program.

You will design test strategies, execute test cases, validate data across mainframe and integrated banking systems, manage defects, and coordinate with business stakeholders and developers to ensure quality and release readiness.