Overview
- Tier One Technologies has an immediate need for a z/OS Mainframe Developer to support our US Government client.
- This is going to be a 100% remote position.
- SELECTED CANDIDATES WITHOUT REQUIRED CLEARANCE WILL BE SUBJECT TO A FEDERAL GOVERNMENT BACKGROUND INVESTIGATION TO RECEIVE IT.
Responsibilities
- Research, design, implement, and manage software programs as well as testing and evaluating new programs.
- Resolve problems with software and respond to suggestions for improvements and enhancements.
- Write and implement efficient code. Develop quality assurance procedures and deploy software tools, processes and metrics.
- Participate in development of software user manuals. Instructs, assigns, directs, and checks the work of other software developers on the development team.
- Consult with engineering staff to evaluate software-hardware interfaces and develop specifications and performance requirements.
Qualifications
- A degree from an accredited College/University in Software Engineering, Computer Science, or related discipline is required.
- 8+ years of hands-on experience with COBOL programming on IBM z/OS.
- Proficiency in JCL, VSAM, DB2, IMS, CICS and RACF.
- Strong knowledge of batch processing and online transaction processing.
- Must have experience with IBM utilities, TSO/ISPF, and Abend-AID.
- Experience in mainframe migration projects or modernization initiatives is preferred.
- Experience with Control-D, Control-M, File-AID.
- 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.
- Familiarity with DevOps practices on mainframes, including tools like Jenkins and Git.
- Strong written and verbal communication skills (ability to translate between business and technical concepts).
- All candidates must be US Citizens or have permanent residence status (Green Card).
- Must be able to obtain Public Trust Clearance.
- Candidate must have lived in the United States for the past 5 years.
- Cannot have more than 6 months travel outside the United States within the last 5 years. Military Service excluded.
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