Test Engineer Mainframe

Location: Columbia

Test Engineer Mainframe page is loaded## Test Engineer Mainframe locations:
Columbia, South Carolina, USA:
Chattanooga, Tennessee, USA:
Portland, Maine, USAtime type:
Full time posted on:
Posted Todaytime left to apply:
End Date:
February 13, 2026 (29 days left to apply) job requisition :
834324

Job Posting End Date:
February 12

Our Fortune 500 company is driving a digital transformation and looking for forward-thinking innovators to disrupt how our industry thinks about and uses technology. As one of the world's leading employee benefits providers, we help millions of people gain affordable access to benefits that help them protect their families, their finances and their futures.

We are seeking individuals to join our team of talented IT professionals who share never-ending passion and an unwavering focus on our customer experience. Team members comfortable working in an agile, fast-paced, and delivery-focused environment thrive in our environment where we value an entrepreneurial spirit and those who challenge the status-quo.

Unum is changing, and we’re excited about what’s next. Join us.## General

Summary:

The Mainframe Test Engineer is responsible for performing hands-on, manual testing to ensure the quality, accuracy, and stability of enterprise mainframe applications that support core business operations. This role focuses exclusively on validating system functionality, data integrity, and processing outcomes across complex batch and online mainframe environments.
The Test Engineer works closely with mainframe developers, business analysts, and production support teams to understand system changes, execute detailed test scenarios, analyze results, and confirm that solutions meet business and technical requirements before being released to production.
** Job Specifications:
*** Bachelor’s degree preferred, or equivalent relevant experience
* 2+ years of experience in a Test Engineer, QA Analyst, or similar role supporting mainframe applications
* Hands-on experience testing mainframe systems (e.g., COBOL, JCL, DB2, IMS, VSAM)
* Experience validating batch jobs, online transactions, and downstream data impacts
* Strong understanding of mainframe development and release life cycles
* Experience working in Agile delivery environments
* Ability to analyze complex data flows, job dependencies, and system integrations
* Strong attention to detail, problem-solving skills, and documentation practices
*
* Principal Duties and Responsibilities:

*** Design, execute, and document test cases for mainframe applications supporting both batch and online processing
* Validate functional requirements, data integrity, and system behavior across upstream and downstream integrations
* Perform testing for enhancements, defect fixes, regulatory changes, and production support initiatives
* Analyze batch job results, file outputs, database updates, and error conditions to confirm expected outcomes
* Partner closely with mainframe developers to understand technical changes and ensure appropriate test coverage
* Collaborate with business analysts and stakeholders to clarify requirements and expected results
* Identify, document, and track defects through resolution, validating fixes prior to production deployment
* Support release and deployment activities by executing regression testing and production validation as needed
* Contribute to continuous improvement of testing processes, standards, and documentation within the team
* Provide testing estimates and input during planning and prioritization discussions#LI-TS1#LI-MULTI~IN1

Our company is built on helping individuals and families, and this starts with our employees. We want employees to maintain a positive balance, which is why we provide access to the benefits and resources they need to invest in themselves. From our onsite fitness facilities and generous paid time off to employee professional development programs, we are committed to helping employees live and work their best – both inside and outside the office.

Unum is an equal opportunity employer, considering all qualified applicants and employees for hiring, placement, and advancement, without regard to a person's race, color,…