Overview
On Site
Full Time
Skills
Logical Partition
High Availability
Management
IBM
Data Storage
Hierarchical Storage Management
VSAM
Mainframe Sort Merge
Hardware Installation
HCD
Middleware
ZFS
NFS
Apache HTTP Server
Computer Networking
Security Management
Regulatory Compliance
Disaster Recovery
Auditing
Microsoft OneNote
HMC
z/OS
Job Entry Subsystem 2/3
SMP/E
TCP/IP
VTAM
RACF
CICS
USS
Performance Tuning
SMF
RMF
Risk Management Framework
IBM Mainframe
Computer Hardware
COBOL
Assembly Language
Rexx
Documentation
IBM Tivoli Workload Scheduler
DevOps
Mainframe
IT Service Management
Innovation
Collaboration
Recruiting
Insurance
Finance
Professional Development
Training
Leadership
CompTIA
Customer Service
Career Counseling
Apex
Oracle Application Express
Job Details
Job#: 3008285
Job Description:
A leading federal contractor is seeking a z/OS Mainframe Systems Programmer to support mission-critical infrastructure across a multi-LPAR Parallel Sysplex environment. This role offers the opportunity to work on cutting-edge IBM mainframe technologies and contribute to high-availability systems that support national operations.
Key Responsibilities:
Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.
Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.
Job Description:
A leading federal contractor is seeking a z/OS Mainframe Systems Programmer to support mission-critical infrastructure across a multi-LPAR Parallel Sysplex environment. This role offers the opportunity to work on cutting-edge IBM mainframe technologies and contribute to high-availability systems that support national operations.
Key Responsibilities:
- Provide full lifecycle support for z/OS environments (v2.5 and v3.1), including installation, configuration, maintenance, and performance tuning.
- Manage and optimize IBM z/OS components such as JES2, TCP/IP, VTAM, RACF, SMP/E, and IBM Workload Scheduler.
- Support enterprise-class IBM mainframe hardware (z13 through z17), including Coupling Facility and Sysplex operations.
- Administer storage systems (DFSMS, DFHSM, VSAM, DFSORT) and hardware configuration (HCD, IODF/IOCDS).
- Deliver middleware support for CICS, USS (OMVS, zFS, NFS, Apache), and networking tools.
- Assist in RACF security administration and integrate with Vanguard Security Solutions for compliance.
- Conduct and document Disaster Recovery exercises and maintain audit readiness.
- Monitor and tune system performance using SMF, RMF, and other diagnostic tools.
- Collaborate with technical teams and document processes using modern tools like Microsoft OneNote.
- Execute IPLs, HMC profile updates, and system parameter changes.
- Bachelor's degree or equivalent experience.
- 10+ years of experience in z/OS systems programming within large enterprise environments.
- Recent hands-on experience with z/OS 2.5 and/or 3.1 (within the last 6 months).
- Deep expertise in Sysplex, JES2, SMP/E, TCP/IP, VTAM, RACF, CICS, USS, and IBM Workload Scheduler.
- Strong background in performance tuning and troubleshooting using SMF/RMF.
- Experience with IBM mainframe hardware (z13 to z17).
- Proficiency in COBOL, Assembler, and REXX for automation and utilities.
- Familiarity with modern documentation and collaboration tools.
- Experience with IBM Workload Scheduler v10 and Vanguard Security Solutions.
- Understanding of hybrid environments integrating mainframe and distributed platforms.
- Exposure to DevOps practices in mainframe operations.
Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.
Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.
Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.