Slalom Flex (Project Based)- Mainframe QA Lead

Mainframe QA lead

Location: Remote, EST hours
Employment Type: Project-based contract
Start Date: October 15, 2026 through 6/30/2027

About Us

Slalom is a purpose-led, global business and technology consulting company. From strategy to implementation, our approach is fiercely human. In six+ countries and 43+ markets, we deeply understand our customers—and their customers—to deliver practical, end-to-end solutions that drive meaningful impact. Backed by close partnerships with over 400 leading technology providers, our 10,000+ strong team helps people and organizations dream bigger, move faster, and build better tomorrows for all. We’re honored to be consistently recognized as a great place to work, including being one of Fortune’s 100 Best Companies to Work For seven years running. Learn more at Slalom.com.

Overview

We are seeking an experienced Mainframe QA Lead to support a large-scale Core Banking Modernization and Core Deposit Replacement Program. In this role, you will lead manual testing efforts across critical banking applications that integrate with a new core banking platform. The ideal candidate combines strong mainframe testing expertise with banking domain knowledge and hands-on experience executing and managing complex end-to-end testing activities.

This is a highly visible role within a major enterprise transformation initiative, focused on ensuring quality, accuracy, and reliability across application integrations and customer account processing workflows.

Key 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.

Required 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.

Preferred Qualifications

• Experience supporting core banking, deposit, retail banking, or financial services platforms.
• Knowledge of account onboarding, customer account processing, and deposit operations.
• Experience working within large-scale banking modernization or core conversion initiatives.
• Familiarity with Agile delivery methodologies.
• Experience coordinating testing activities across multiple application teams.

Key Skills

Mainframe Testing • Tosca • qTest • Core Banking • Integration Testing • Data Validation • Defect Management • End-to-End Testing

Compensation and Benefits

Slalom prides itself on helping team members thrive in their work and life. As a result, Slalom is proud to invest in benefits that include meaningful time off and paid holidays, 401(k) with a match, a range of choices for highly subsidized health, dental, & vision coverage, adoption and fertility assistance, and long-term disability. We also offer yearly $350 reimbursement account for any well-being-related expenses.

Slalom is committed to fair and equitable compensation practices. For this position, the base salary pay range is 55-65/hr. Actual compensation will depend upon an individual’s skills, experience, qualifications, location, and other relevant factors. The salary pay range is subject to change and may be modified at any time.

EEO and Accommodations

Slalom is an equal opportunity employer and is committed to inclusion, diversity, and equity in the workplace. All qualified applicants will receive consideration

for employment without regard to race, color, religion, sex, national origin, disability status, protected veterans’ status, or any other characteristic protected by federal, state, or local laws. Slalom will also consider qualified applications with criminal histories, consistent with legal requirements.

Slalom welcomes and encourages applications from individuals with disabilities. Reasonable accommodations are available for candidates during all aspects of the

selection process. Please advise the talent acquisition team if you require accommodations during the interview process.