Hybrid Mainframe Developer

Post Date

Nov 19, 2025

Location

Woonsocket,
Rhode Island

ZIP/Postal Code

02895
US
Jan 18, 2026 Insight Global

Job Type

Contract-to-perm

Category

Programmer / Developer

Req #

HTD-8baa0ce7-381d-48f7-9d84-0016db78bc45

Pay Rate

$46 - $57 (hourly estimate)

Job Description

Insight Global is seeking a Senior Mainframe Developer to sit in CT, RI, or IL. You will be responsible for designing, developing, and maintaining applications on the Mainframe technology stack. You will work closely with business and IT teams to deliver robust solutions and eventually lead applications as a technical owner.
Key Responsibilities
• Design, develop, build, test, and maintain Mainframe applications using COBOL, JCL, and CICS.
• Work with DB2 databases and MQ messaging systems.
• Enhance and maintain existing Mainframe systems to meet evolving business needs.
• Collaborate with stakeholders to ensure technical solutions align with business objectives.
• Participate in Agile ceremonies and contribute to sprint deliverables.
• Conduct peer reviews for design, code, and test cases.
• Provide technical leadership and mentor junior engineers.
Technology Stack
• Languages: COBOL, REXX
• Mainframe Technologies: CICS, JCL, VSAM
• Databases: DB2
• Tools: IBM Data Studio, Endeavor, RTC, GitHub
• OS: z/OS

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to HR@insightglobal.com.To learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/.

Required Skills & Experience

• 5+ years of experience in Mainframe development with COBOL, JCL, and DB2.
• Experience with CICS and MQ-based integrations.
• Strong understanding of batch processing and Mainframe deployment.
• Familiarity with Agile methodology.

Benefit packages for this role will start on the 31st day of employment and include medical, dental, and vision insurance, as well as HSA, FSA, and DCFSA account options, and 401k retirement account access with employer matching. Employees in this role are also entitled to paid sick leave and/or other paid time off as provided by applicable law.