Z/OS System Programmer

Job Title:

Senior z/

OS Systems Programmer Location:

Chandler, AZ Type:

18

Month Contract Rate:

$65-$70/hour W2

Position Overview:

We are seeking a Senior z/OS Systems Programmer to support a large enterprise mainframe environment undergoing a hardware upgrade from IBM z16 to z17. This role will focus on core system programming activities including system configuration, debugging, performance analysis, and supporting the upgrade and stabilization of the z/OS platform. The ideal candidate is a hands-on IBM systems programmer with deep experience in z/OS internals, assembler, dump analysis, and SMP/E configuration, and who has supported large-scale enterprise mainframe environments. Key Responsibilities Support the z/OS platform during a major hardware upgrade (z16 → z17). Perform core systems programming activities including configuration, maintenance, and troubleshooting of the z/OS environment. Use Assembler and system debugging tools to analyze dumps and diagnose system-level issues. Manage SMP/E installations, maintenance, and configuration of system software. Support and maintain z/OS UNIX System Services (USS) environments. Utilize REXX scripting to automate operational and system tasks. Work with HMC (Hardware Management Console) for system management and troubleshooting. Analyze system performance and stability within a large enterprise mainframe environment. Collaborate with infrastructure teams to ensure smooth system upgrades, enhancements, and ongoing maintenance. Provide clear documentation and communication across technical teams. Required Qualifications Senior-level experience as an IBM z/OS Systems Programmer. Strong experience with IBM mainframe hardware environments including z16 (experience with z17 highly preferred). Expertise in Assembler programming and system dump analysis. Hands-on experience with SMP/E installation, maintenance, and configuration. Experience with IBM debugging tools and system diagnostics. Proficiency with REXX scripting. Experience managing systems through HMC. Knowledge of z/OS UNIX System Services (USS). Experience working in large-scale enterprise mainframe environments. Strong communication and collaboration skills. Demonstrated history of consistent projects and stable tenure.

Preferred / Nice

-to-Have Skills Additional experience with HMC debugging and advanced troubleshooting. Prior involvement in mainframe hardware upgrade initiatives. Experience working within complex enterprise infrastructure organizations. About Matlen Silver Experience Matters. Let your experience be driven by our experience. For more than 40 years, Matlen Silver has delivered solutions for complex talent and technology needs to Fortune 500 companies and industry leaders. Led by hard work, honesty, and a trusted team of experts, we can say that Matlen Silver technology has created a solutions experience and legacy of success that is the difference in the way the world works. Matlen Silver is an Equal Opportunity Employer and considers all applicants for all positions without regard to race, color, religion, gender, national origin, age, sexual orientation, veteran status, the presence of a non-job-related medical condition or disability, or any other legally protected status. If you are a person with a disability needing assistance with the application or at any point in the hiring process, please contact us at email and/or phone at: info@matlensilver.com // 908-393-8600 At The Matlen Silver Group, Inc., W2 employees are eligible for the following benefits: Health, vision, and dental insurance (single and family coverage) 401(k) plan (employee contributions only)