Posted today
Public Trust
Senior Level Career (10+ yrs experience)
$116,500 - $124,500
No Traveling
IT - Database
Position Overview
We are seeking an experienced z/OS Mainframe Systems Programmer to support mission‑critical federal environments. This role provides full lifecycle support of IBM mainframe infrastructure, ensuring high availability, security, performance, and disaster recovery readiness within large, complex enterprise systems.
The ideal candidate brings deep technical expertise across z/OS systems programming, Parallel Sysplex operations, and enterprise mainframe tooling, with recent hands-on experience supporting modern z/OS releases.
Key Responsibilities
Provide day-to-day systems programming support for z/OS 2.5 and z/OS 3.1, along with related IBM and third‑party products
Install, configure, upgrade, and maintain IBM z/OS components, including:
JES2, SMP/E, TCP/IP, VTAM
RACF security environments
IBM Workload Scheduler
Support multi-LPAR Parallel Sysplex environments, including Coupling Facility operations
Perform system performance monitoring and tuning using SMF, RMF, and related tools
Administer and optimize:
Storage management (DFSMS, DFHSM, VSAM, DFSORT)
Hardware configuration (HCD, IODF/IOCDS)
Prepare and execute IPLs, system parameter updates, and HMC profile changes
Support and coordinate Disaster Recovery (DR) planning, exercises, and audits
Integrate with enterprise security and compliance tools to support federal requirements
Provide technical support to engineering teams and contribute to structured documentation and knowledge transfer using Microsoft OneNote
Support middleware and UNIX System Services components, including:
CICS
USS (OMVS, zFS, NFS, Apache)
Networking and debugging tools
Required Qualifications
Bachelor’s degree or equivalent professional experience
Recent (within the last 6 months) hands-on experience with z/OS 2.5 and/or z/OS 3.1
10+ years of experience as a z/OS Systems Programmer in large enterprise or federal environments
Strong experience with:
Parallel Sysplex & Coupling Facility
JES2, SMP/E, TCP/IP, VTAM
RACF security administration
SMF/RMF performance analysis
Experience supporting IBM mainframe hardware platforms z13 through z17
Proficiency with COBOL, Assembler, and REXX for utilities and automation
Strong documentation skills and ability to collaborate across technical teams
Desired Qualifications
Experience with IBM Workload Scheduler (v10 or above)
Familiarity with security enhancement and compliance tools in regulated environments
Exposure to hybrid architectures integrating mainframe and distributed platforms
Understanding of modern DevOps practices applied to mainframe operations
We are seeking an experienced z/OS Mainframe Systems Programmer to support mission‑critical federal environments. This role provides full lifecycle support of IBM mainframe infrastructure, ensuring high availability, security, performance, and disaster recovery readiness within large, complex enterprise systems.
The ideal candidate brings deep technical expertise across z/OS systems programming, Parallel Sysplex operations, and enterprise mainframe tooling, with recent hands-on experience supporting modern z/OS releases.
Key Responsibilities
Provide day-to-day systems programming support for z/OS 2.5 and z/OS 3.1, along with related IBM and third‑party products
Install, configure, upgrade, and maintain IBM z/OS components, including:
JES2, SMP/E, TCP/IP, VTAM
RACF security environments
IBM Workload Scheduler
Support multi-LPAR Parallel Sysplex environments, including Coupling Facility operations
Perform system performance monitoring and tuning using SMF, RMF, and related tools
Administer and optimize:
Storage management (DFSMS, DFHSM, VSAM, DFSORT)
Hardware configuration (HCD, IODF/IOCDS)
Prepare and execute IPLs, system parameter updates, and HMC profile changes
Support and coordinate Disaster Recovery (DR) planning, exercises, and audits
Integrate with enterprise security and compliance tools to support federal requirements
Provide technical support to engineering teams and contribute to structured documentation and knowledge transfer using Microsoft OneNote
Support middleware and UNIX System Services components, including:
CICS
USS (OMVS, zFS, NFS, Apache)
Networking and debugging tools
Required Qualifications
Bachelor’s degree or equivalent professional experience
Recent (within the last 6 months) hands-on experience with z/OS 2.5 and/or z/OS 3.1
10+ years of experience as a z/OS Systems Programmer in large enterprise or federal environments
Strong experience with:
Parallel Sysplex & Coupling Facility
JES2, SMP/E, TCP/IP, VTAM
RACF security administration
SMF/RMF performance analysis
Experience supporting IBM mainframe hardware platforms z13 through z17
Proficiency with COBOL, Assembler, and REXX for utilities and automation
Strong documentation skills and ability to collaborate across technical teams
Desired Qualifications
Experience with IBM Workload Scheduler (v10 or above)
Familiarity with security enhancement and compliance tools in regulated environments
Exposure to hybrid architectures integrating mainframe and distributed platforms
Understanding of modern DevOps practices applied to mainframe operations
group id: 10430981
