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Mainframe Developer 10+ years

K-Tek Resourcing LLCWilmington, DE🇺🇸United StatesPosted 3 Aug 2026

Quick Overview

Work Type
On Site
Level
Mid Senior

Job Description

Position 1

Job Title: Mainframe IMS and CICS
Location: Wilmington, DE
Experience: 10+ Years
Work Model: RTTO – 5 Days Onsite

Job Description

Required Skills:

  • Programming Languages: Strong proficiency in COBOL
  • Mainframe Operating Systems: In-depth knowledge of z/OS
  • Database Technologies: Expertise in IMS database concepts including IMS/DB and IMS/DC
  • Transaction Processing: Thorough understanding of CICS functionalities and programming interfaces
  • Job Control Language (JCL): Ability to write and manage JCL scripts for batch processing
  • System Administration: Basic understanding of mainframe system administration tasks like data set management and security

Must Have: IMS/DB, CICS, COBOL, and JCL


Position 2

Job Title: Senior Mainframe Application Developer
Location: Wilmington, DE
Experience: 10–12 Years
Work Model: RTTO – 5 Days Onsite

Job Description

Mandatory Skills: IBM z/OS, COBOL, CICS, DB2, IBM MQ, VSAM, JCL, CA7, ChangeMan, and IBM Mainframe Utilities, along with strong problem-solving skills.

  • Solid hands-on experience in IBM z/OS, COBOL, CICS, DB2, IMS, IBM MQ, VSAM, JCL, CA7, ChangeMan, and IBM Mainframe Utilities.
  • Strong analytical and debugging skills with experience in developing, debugging, and maintaining code in a large corporate environment.
  • Overall knowledge of the Software Development Life Cycle (SDLC) and a solid understanding of Agile methodologies, CI/CD, application resiliency, and security.
  • Ability to work in large, collaborative teams to achieve organizational goals and contribute to an innovative culture.
  • Provide on-call support for all environments, including weekend rotation, and participate in resolving production issues as needed.
  • Troubleshoot and resolve application issues in a timely and efficient manner.
  • Banking and Cards domain experience is preferred.

Keywords to Search in Resume: COBOL, DB2, CICS, MQ, JCL, Change Control

Good to Have: IMS


Position 3

Job Title: Mainframe Assembler
Location: Wilmington, DE
Work Model: RTTO – 5 Days Onsite

Job Description

  • Design, coding, and testing: Mainframe Assemblers are responsible for designing, coding, and testing application programs using the IBM Assembler language. They should also be familiar with the entire Software Development Life Cycle (SDLC) and have a solid understanding of mainframe operating systems, such as z/OS.
  • Debugging and troubleshooting: Perform debugging and troubleshooting of mainframe applications to ensure they function correctly and efficiently.
  • Documentation: Document the design of assembler programs, explain how they work, and provide guidelines for their use.
  • Technical support: Provide technical support for mainframe systems, optimize performance, and ensure compliance with coding standards and technical design.
  • Work closely with system architects and analysts to understand business requirements and translate them into efficient, low-level machine code. Stay updated with the latest mainframe technologies and assembler programming techniques to ensure the continuous functionality and reliability of mainframe systems.

If you are interested in any of the above opportunities, please share your updated resume. We look forward to hearing from you.

Skills

Agile
COBOL

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