HRUCKUS · 23 hours ago
z/OS System Programmer
Annapolis, MD
Full-time
Onsite
Senior Level, Lead/Staff
$150K/yr - $170K/yr
8+ years expHRUCKUS is a Veteran-Owned management consulting firm specializing in Technical and Cleared Recruiting for defense agencies. They are seeking an experienced z/OS Systems Programmer to support, maintain, and enhance the IBM mainframe environment, ensuring stability, security, and performance of mission-critical systems.
Business DevelopmentIT ManagementManagement Consulting
No H1B
Security Clearance RequiredU.S. Citizen OnlyHiring Manager
Mandy Arevalo
Responsibilities
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
Qualification
Required
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 utilities
Knowledge 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 reliability
Ability to adapt and learn emerging mainframe and automation technologies
Preferred
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
Company
HRUCKUS
Hruckus is a management consultancy that offers strategic sourcing, IT strategy, business case analysis and program management services.
11-50 employees
Funding
Current Stage
Early StageCompany data provided by crunchbase