Backbone Jobs · 1 hour ago
Senior Systems Administrator (IBM z/OS Mainframe)
United States
Full-time
Remote
Senior Level, Lead/Staff
$60/hr - $72/hr
8+ years expBackbone Jobs is a leading platform connecting talented professionals with organizations that manage critical infrastructure and systems. We are seeking a Senior Mainframe Systems Administrator to join a high-performing Mainframe and Operations team, focusing on administration and support of IBM z/OS environments.
Human Resources
Responsibilities
Support and maintain IBM z/OS Mainframe systems (currently z/OS 3.1)
Perform system updates, disk management, backups, and disaster recovery planning
Monitor system performance and workload distribution using WLM policies and RMF reports
Apply PTFs and APARs for system updates and conduct regular IPL cycles
Manage storage using DFSMS and related policies
Collaborate with vendors to resolve hardware/software issues
Participate in disaster recovery tests and capacity planning
Construct and edit JCL code as needed (not a programming-heavy role)
Qualification
Required
8+ years of experience with IBM Mainframe systems administration
Expertise in z/OS, MVS, and DFSMS
Familiarity with RACF, SDSF, JES2/JES3, SMP/E, and Unix System Services
Ability to work efficiently in an interrupt-driven environment
Strong troubleshooting and problem-solving skills
Preferred
Knowledge of REXX, JCL, Assembler, COBOL
Experience with IBM Z architecture and related products (CICS, DB2, WebSphere MQ)
Benefits
Medical, dental & vision
Critical Illness, Accident, and Hospital
401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
Life Insurance (Voluntary Life & AD&D for the employee and dependents)
Short and long-term disability
Health Spending Account (HSA)
Transportation benefits
Employee Assistance Program
Time Off/Leave (PTO, Vacation or Sick Leave)
Company
Backbone Jobs
Backbone Jobs helps connect talent with organizations maintaining critical infrastructure and systems.
0-1 employees
Funding
Current Stage
Early StageCompany data provided by crunchbase