Demo

Senior Mainframe z/OS Developer

FUSTIS LLC
Washington, DC Contractor
POSTED ON 6/25/2026
AVAILABLE BEFORE 7/23/2026

Job Title – Senior Mainframe z/OS Developer

Job Location – Remote-Only EST candidate

Interview process: Video

Visa:- USC, GC Only


Rate:- $55/hr on c2c/1099


Need candidates that have current/prior government agency experience.


Skills: mainframe, z/os, jcl, vsam, bb2, ims, cics, mainframe migration projects, racf, batch processing, iso/ispf and abend-aid, control-d, control-m and file-aid, risk assesments, ai/ml tools; copilot, watsonx and redux, devops on mainframe, jenkins, git, performance tuning on mainframe, servicenow

Clearance: Public Trust Clearance or Higher Preferred

Job Description

Required

• 8 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.

Soft Skills

• 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

• Experience with DevOps practices on mainframes, including tools like Jenkins and Git.

• Prior experience with performance tuning on mainframe systems

• Prior experience with ServiceNow


Additional Required Skills/Experience:

o A minimum of Eight (8) years’ relevant experience.

o A degree from an accredited College/University in the applicable field of services is required. If the individual's degree is not in the applicable field then four additional years of related experience is required.

o Typically performs all functional duties independently.

o Note: Special credentials (licenses and/or certifications) may be required at the Task Order level on a case-specific basis."


Best Regards,

(916) 810-1625 (D)

jaideep.shastri@fustis.com

Salary : $50 - $55

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