Demo

Mainframe Tester

InterSources Inc
Columbia, SC Contractor
POSTED ON 10/24/2026
AVAILABLE BEFORE 11/22/2026

Job Title: Mainframe Testing

Location: Columbia, SC 29212 100% Remote

Duration: 12 Months (Extension Possible)

Interview Process: 1 Round – Virtual



Daily Duties & Responsibilities

Develop and execute test scenarios, test cases, and test plans for mainframe-based Medicaid applications.

  • Perform functional, system, integration, and business interface testing as applicable to project requirements.
  • Test software coding changes involving Medicaid systems and related data.
  • Analyze test results, identify discrepancies, and investigate differences between expected and actual outcomes.
  • Collaborate with development teams and project stakeholders to resolve testing issues.
  • Support client with User Acceptance Testing (UAT).
  • Coordinate testing activities with internal users, external healthcare providers, and trading partners as needed.
  • Prepare and maintain business, process, and technical testing documentation.
  • Work independently with minimal supervision while meeting project deadlines.
  • Collaborate with Clemson University staff and other contracted project resources.

Required Skills

4 years of experience with Mainframe systems.

  • 4 years of experience with MVS COBOL.
  • 4 years of experience with JCL (Job Control Language).
  • 4 years of experience with Software Testing.
  • 4 years of experience creating Test Scenarios.

Preferred SkillsExperience with SQL.

  • Experience with Serena ChangeMan.
  • Experience using Microsoft Excel as a testing tool.
  • ISTQB Certification preferred.

EducationBachelor's degree or equivalent work experience.


Hourly Wage Estimation for Mainframe Tester in Columbia, SC
$34.00 to $45.00
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Mainframe Tester?

Sign up to receive alerts about other jobs on the Mainframe Tester career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$72,620 - $96,681
Income Estimation: 
$111,369 - $141,168
Income Estimation: 
$117,871 - $153,580
Income Estimation: 
$109,939 - $144,341
Income Estimation: 
$114,500 - $144,633
Income Estimation: 
$92,103 - $118,230
Income Estimation: 
$131,745 - $167,716
Income Estimation: 
$144,503 - $184,592
Income Estimation: 
$102,541 - $137,871
Income Estimation: 
$153,752 - $200,235
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at InterSources Inc

  • InterSources Inc Blythewood, SC
  • Job title: Senior COBOL Developer Location: Blythewood, SC 29016 Hybrid Duration: 12 Months Work Arrangement Hybrid position Strong preference for the cons... more
  • 16 Days Ago

  • InterSources Inc Dayton, OH
  • Role : IT Support (Installation Specialist) Location: Dayton, OH Duration : Long Term Contract Role Overview: We are looking for an Installation Specialist... more
  • 16 Days Ago

  • InterSources Inc Mundelein, IL
  • AI Application Architect 12 Months Hybrid - 3 Days Onsite and 2 Days Remote New York City, NY 10 years of application/enterprise architecture experience, i... more
  • 6 Days Ago

  • InterSources Inc Columbia, SC
  • Job Title: Salesforce/TargetX CRM & Communications Specialist Location: Columbia, SC 29208100% Onsite Contract Duration: 8 Months (Extension Possible) Work... more
  • 11 Days Ago


Not the job you're looking for? Here are some other Mainframe Tester jobs in the Columbia, SC area that may be a better fit.

  • Jobs via Dice Columbia, SC
  • Job Title Senior Mainframe COBOL Developer Medicaid Systems Overview / Summary We are seeking an experienced Mainframe COBOL Developer to support Medicaid ... more
  • 25 Days Ago

  • SSi People Columbia, SC
  • Job Title: Mainframe Developer Location: Columbia, SC- onsite Job Summary: Our team is seeking a technical expert to support the development and maintenanc... more
  • 1 Month Ago

AI Assistant is available now!

Feel free to start your new journey!