More jobs:
Mainframe z/OS Developer :: Washington, DC (Remote
Remote / Online - Candidates ideally in
Washington, District of Columbia, 20001, USA
Listed on 2026-08-05
Washington, District of Columbia, 20001, USA
Listing for:
Ark Solutions
Remote/Work from Home
position Listed on 2026-08-05
Job specializations:
-
Software Development
Software Engineer, Computer Software / Middleware
Job Description & How to Apply Below
Mainframe z/OS Developer - Washington, DC (Remote)
Duration: 4+ months
Seeking 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 Dev Ops practices on mainframes, including tools like Jenkins and Git.
- Prior experience with performance tuning on mainframe systems.
- Prior experience with Service Now.
To View & Apply for jobs on this site that accept applications from your location or country, tap the button below to make a Search.
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).
Search for further Jobs Here:
×