Z/OS Systems Programmer (Hybrid), Highland Beach

Executive Summary:

The client is looking for an experienced z/OS Systems Programmer to support, maintain, and enhance the client's IBM mainframe environment, ensuring the stability, security, and performance of mission-critical systems.

Position Description:

We are seeking an experienced z/OS Systems Programmer to support, maintain, and enhance the client's IBM mainframe environment. The ideal candidate will have deep technical expertise in z/OS, subsystem configuration, system tuning, and operational support in a mission critical environment. This role ensures the stability, security, and performance of mainframe systems across production, test, and development environments.

Position Job Duties: z/OS Installation&Maintenance:

Install, configure, and maintain z/OS and related IBM system software; manage SMP/E processes and PTF/RSU installations; maintain PARMLIB/PROCLIB and plan IPLs. Subsystem Administration:

Support and tune subsystems such as JES2/JES3, CICS, DB2, MQ, and IMS; troubleshoot subsystem issues to ensure performance and availability. Performance&Capacity Management:

Perform workload analysis using RMF/SMF; tune WLM policies; provide recommendations to optimize CPU, memory, I/O, and storage utilization. Storage&I/O Configuration:

Work with storage teams on SMS/HSM and DASD management; support IODF/HCD updates; validate TS7700/VTL replication. Security&Compliance:

Support RACF rules and digital certificates; assist with STIG compliance and vulnerability remediation; ensure configurations align with regulatory standards. Automation&Operations:

Develop automation scripts (REXX, CLIST, SA/Ops); support job scheduling; integrate with monitoring and alerting tools. Incident&Change Management:

Provide Tier III support for escalated issues; conduct root cause analysis (RCA); participate in change management and DR tests. Documentation&Collaboration:

Create technical documentation and SOPs; collaborate with cross-functional teams; assist in modernization and cloud integration initiatives. Remote conditions:

Hybrid (2 days on-site)

Experience required:

Required Qualifications: Active Secret Clearance 8+ years of hands-on experience as a z/OS Systems Programmer Deep understanding of z/OS internals, JES2/JES3, WLM, SMP/E Experience with one or more subsystems (CICS, DB2, IMS, MQ) Strong diagnostic and problem-solving skills Experience with REXX, JCL, and mainframe utilitiesKnowledge of TCP/IP, VTAM, and network configuration on z/OS Experience with DR, backup/restore, and high availability environments Strong analytical and troubleshooting skills Excellent communication and documentation abilities Ability to work in 24x7 mission-critical environments Collaborative team player with a focus on quality and reliabilityAbility to adapt and learn emerging mainframe and automation technologies Desired Qualifications:

Experience with z/OSMF, Ansible for z/OS, and automation frameworks Exposure to security tools (zSecure) and RACF administration Mainframe experience in a cloud, MFaaS, or hosting environment Familiarity with federal compliance frameworks (NIST, STIG, RMF) Bachelor's degree in computer science, Information Systems, or equivalent experience