z/OS Mainframe Developer

A.C.Coy Company

z/OS Mainframe Developer responsible for software management and development for US Government client. Requires extensive COBOL programming experience on IBM z/OS in remote environment.

Posted 6/19/2026full-timeRemote • Virginia • 🇺🇸 United StatesSeniorLeadWebsite

Tech Stack

Tools & technologies

JenkinsRedux

About the role

Key responsibilities & impact

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.

Requirements

What you’ll need

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.

Benefits

Comp & perks

🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account A.C.Coy Company Website LinkedIn All Job Openings 51 - 200 employees Founded 1986 🎯 Recruiter 🤝 B2B Recruitment
B2B
Staffing A. C. Coy Company is a specialized recruitment agency based in Pittsburgh, PA, that focuses on connecting professionals with job opportunities in IT, engineering, finance, and sales. Since its inception in 1986, the company has been committed to acting in the best interests of clients and candidates, offering contract, contract-to-hire, and permanent placement services. A. C. Coy aims to make successful career designs possible for job seekers while providing top talent to businesses across the Tri-State area and beyond. z/OS Mainframe Developer Job not on LinkedIn 🔥 3 minutes ago ⚔️ Virginia – Remote ⏰ Full Time 🟠 Senior 🔴 Lead 🖥 Software Engineer Jenkins Redux Apply Now Find Hiring Managers Customize resume + cover letter Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
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. 🎯 Requirements
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.
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Hard Skills & Tools

COBOLJCLVSAMDB2IMSCICSRACFbatch processingonline transaction processingmainframe migration

Soft Skills

strong written communicationstrong verbal communicationproblem-solvingteam leadershipinstructiondirectionevaluationconsultationtranslating business and technical conceptsprocess optimization

Certifications

Public Trust Clearance