Remote Mainframe QA Lead — Core Banking Modernization

Slalom; San Antonio (TX); Remote; USD 157,597,000 - 186,252,000; Full time

Benefits offered by this job

Meaningful time off & paid holidays

401(k) with match

Health, dental, & vision coverage

Adoption & fertility assistance

Long-term disability

Well-being reimbursement ($350)

Job summary

Slalom is seeking an experienced Mainframe QA Lead for a remote, EST-hours contract to support a large-scale Core Banking Modernization program. You will lead manual testing across mainframe and integrated banking applications, validating end-to-end account lifecycle and data transmission.

The role requires 7+ years in QA, hands-on Tosca and qTest, and strong defect management along with excellent communication to coordinate with stakeholders across multiple teams.

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 Tricentis 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 in 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, scenarios, and execution documentation.
• Validate end-to-end account lifecycle and servicing processes across multiple systems.
• Perform data validation and reconciliation to ensure accurate transmission of customer and account information.
• Identify, document, and track defects through resolution.
• Collaborate with business stakeholders, product owners, developers, and QA teams to ensure 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

Manual testing

Mainframe testing

Test case development

Defect management

Tools

Tricentis Tosca

qTest

Job description

Slalom is seeking an experienced Mainframe QA Lead for a remote, EST-hours contract to support a large-scale Core Banking Modernization program. You will lead manual testing across mainframe and integrated banking applications, validating end-to-end account lifecycle and data transmission.

The role requires 7+ years in QA, hands-on Tosca and qTest, and strong defect management along with excellent communication to coordinate with stakeholders across multiple teams.