Remote Mainframe QA Lead – Core Banking Modernization

Slalom; Philadelphia (Philadelphia County); Remote; USD 76,000 - 90,000; Part time

Job summary

Slalom is seeking an experienced Mainframe QA Lead to support a large-scale Core Banking Modernization and Core Deposit Replacement program. You will lead manual testing across mainframe and integrated banking applications to ensure quality, accuracy, and reliability in a high-visibility enterprise transformation.

The role requires 7+ years of QA, hands-on Tosca and qTest, data validation mastery, and strong defect management with excellent stakeholder communication.

Qualifications

• 7+ years of software QA experience
• Experience leading manual testing on large enterprise programs
• Strong experience testing mainframe applications and transactions
• Ability to navigate mainframe screens and validate data across systems
• Experience developing and executing manual test cases and test scripts
• Hands-on Tosca and qTest usage
• Experience with defect management and root-cause analysis
• Excellent communication and stakeholder management skills

Responsibilities

• Lead manual testing activities for a major banking transformation workstream
• Execute test cases and validate end-to-end business processes across mainframe and integrated applications
• Create, maintain, and enhance test scripts, scenarios, and execution docs
• Validate account lifecycle and servicing processes across multiple systems
• Perform data validation and reconciliation for accurate data transmission
• Identify, document, and track defects through resolution
• Coordinate with business, product, and development teams for test coverage
• Support test planning, defect triage, status reporting, and releases

Skills

QA Leadership

Mainframe testing

Manual testing

Defect management

Data validation

Stakeholder communication

Test planning

Agile familiarity

Tools

Tricentis Tosca

qTest

Job description

Slalom is seeking an experienced Mainframe QA Lead to support a large-scale Core Banking Modernization and Core Deposit Replacement program. You will lead manual testing across mainframe and integrated banking applications to ensure quality, accuracy, and reliability in a high-visibility enterprise transformation.

The role requires 7+ years of QA, hands-on Tosca and qTest, data validation mastery, and strong defect management with excellent stakeholder communication.