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Mainframe z/OS Developer :: Washington, DC (Remote)

ARK Solutions, Inc.

Washington, DC(remote)

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JOB DETAILS
SKILLS
Analysis Skills, Artificial Intelligence (AI), Best Practices, Cobol Programming Language, Communication Skills, Compuware Abend-AID Fault Manager, Compuware File-aid, Cross-Functional, Detail Oriented, DevOps, Documentation, Git, IBM CICS (Customer Information Control System), IBM DB2, IBM IMS Database, IBM Product Family, IBM TSO/ISPF, IBM z-OS Operating System, Identify Issues, JCL (Job Control Language), Java, Jenkins, Mainframe Computer, Mainframe Operating System, Pattern Matching, Performance Tuning/Optimization, Presentation/Verbal Skills, Problem Solving Skills, Process Improvement, RACF (Resource Access Control Facility), Refactoring, Resource Management, Risk Analysis, Security Protocols, ServiceNow, Software Administration, System Migration, Team Player, Transaction Processing/Management, Writing Skills
LOCATION
Washington, DC(remote)
POSTED
3 days ago

Mainframe z/OS Developer - Washington, DC (Remote)

Duration: 4+ months

Seeking for an experienced Mainframe z/OS Developer will have strong expertise in IBM z/OS, COBOL, JCL, CICS, DB2, and VSAM, with experience supporting enterprise mainframe applications and participating in modernization initiatives. This role involves developing, maintaining, troubleshooting, and enhancing mission-critical mainframe applications while collaborating with cross-functional teams to support modernization and integration efforts.

Required Skills:

  • 5 years of hands-on experience with COBOL programming on IBM z/OS.
  • Proficiency in JCL, VSAM, DB2, IMS, and CICS.
  • Experience in mainframe migration projects or modernization initiatives is preferred.
  • Familiarity with mainframe communication tools such as CICS and mainframe security protocols, including RACF.

Technical Skills:

  • Must be proficient in JCL, COBOL, VSAM, and CICS.
  • Strong knowledge of batch processing and online transaction processing.
  • Must have experience with IBM utilities, TSO/ISPF, and Abend-AID.
  • Experience with Control-D, Control-M, File-AID.
  • Knowledge of best practices in mainframe migration planning, including risk assessment and resource management.
  • Familiarity with AI/ML tools (CoPilot, WatsonX, ReDux, others) for code analysis, pattern recognition, or modernization support.
  • Understanding of AI-driven code refactoring platforms/products and the ability to leverage AI to improve testing, documentation, and process optimization.
  • Strong analytical and problem-solving abilities.
  • Effective verbal and written communication skills, especially for collaborating on mainframe integration with Java developers and migration planning.
  • Ability to work independently and in a team environment with a focus on quality and attention to detail.

Preferred Skills:

  • Experience with DevOps practices on mainframes, including tools like Jenkins and Git.
  • Prior experience with performance tuning on mainframe systems.
  • Prior experience with ServiceNow.

About the Company

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ARK Solutions, Inc.

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