Senior z/OS System Programmer — Mainframe Security & Performance

A1fed; McLean (VA); Remote; USD 90,000 - 120,000; Full time

Benefits offered by this job

Competitive salary and benefits package

Opportunities for professional growth

Collaborative and inclusive company culture

Job summary

A leading technology company is seeking an experienced IBM System Programmer to install, maintain, and troubleshoot IBM z/OS systems. The ideal candidate will have over 5 years of hands-on experience in mainframe environments, particularly with z/OS and its associated technologies. Responsibilities include installing the operating system, managing ZOSMF, and providing technical expertise in Assembler language. Join a collaborative company culture with opportunities for professional growth and a competitive salary.

Qualifications

• 5+ years of hands‑on experience with IBM z/OS systems.
• Proficiency in ZOSMF and SMP/E installation and maintenance.
• Strong knowledge of Assembler language and dump analysis.

Responsibilities

• Install, configure, and maintain IBM z/OS operating systems and subsystems.
• Manage and support ZOSMF and SMP/E environments.
• Perform dump analysis to diagnose and resolve system issues.
• Provide technical expertise in Assembler language for system‑level coding.

Skills

IBM z/OS systems

ZOSMF

Assembler language

Broadcom CA-Top Secret

CICS

SMF reporting

SAS

MXG

Networking knowledge

Tools

Broadcom CA 1

Broadcom CA 7

Endevor

Job description

A leading technology company is seeking an experienced IBM System Programmer to install, maintain, and troubleshoot IBM z/OS systems. The ideal candidate will have over 5 years of hands-on experience in mainframe environments, particularly with z/OS and its associated technologies. Responsibilities include installing the operating system, managing ZOSMF, and providing technical expertise in Assembler language. Join a collaborative company culture with opportunities for professional growth and a competitive salary.