Mainframe System Administrator

Mainframe Programmer

Key Responsibilities:

• Manage 16TB of z/OS disk storage and EMC DLm tape data, including DASD backups, monitoring, allocation, and dataset management.
• Administer storage software and tools, such as CA 1, CA Vantage, CA Vtape, FDR/ABR, FATS/FATAR, and EMC Mainframe Enabler Suite, and maintain z/OS (v2.2 & v2.4).
• Lead mainframe storage hardware upgrades (e.g., DLm2500, Data Domain 6400, VMAX to PMAX migrations).
• Oversee Disaster Recovery processes, including testing, documentation, and live recovery operations per CLIENT and audit requirements.
• Develop and maintain Standard Operating Procedures (SOPs) and technical documentation for storage and disaster recovery operations.
• Provide on-call support for mainframe storage operations and issue resolution.

Qualifications:

• Strong expertise in z/OS mainframe storage management (DASD, EMC DLm, DFSMS).
• Experience with storage hardware/software upgrades and migrations.
• Proven capabilities in disaster recovery planning, testing, and execution.
• Proficiency in storage tools: CA 1, CA Vantage, FDR/ABR, EMC Mainframe Enabler Suite, etc.
• 5-7 years of relevant experience; bachelor''s degree preferred.
• Strong documentation skills and ability to work independently.
• Ability to obtain and maintain a Public Trust clearance.

Preferred Qualifications
The ideal candidate will possess the following qualifications:

1. Expertise in System Managed Storage (SMS):

1. • Expertise with IBM''s System Managed Storage (SMS) concepts, policies, and best practices.

1. • Proven experience designing, implementing, and maintaining SMS configurations to optimize storage allocation and utilization.

1. • Expertise with datasets, storage groups, and class assignments within mainframe environments.

2. Automation Skills in Mainframe Systems:

2. • Proficiency in automating operational processes within mainframe environments, leveraging tools such as IBM System Automation, REXX, CLIST, or equivalent.

2. • Experience developing and maintaining scripts to improve efficiency, reduce manual effort, and enhance system reliability.

2. • Familiarity with implementing Job Scheduling tools and batch automation processes.

3. Disaster Recovery (DR) Strategies and Planning:

3. • Demonstrated history of developing, testing, and executing Mainframe Disaster Recovery (DR) strategies to ensure minimal downtime and data integrity.

3. • Experience with recovery solutions, including developing backup and restore procedures for critical applications and data.

3. • Knowledge of mainframe resilience and recovery tools, including GDPS (Geographically Dispersed Parallel Sysplex) or similar frameworks.

4. Performance Monitoring and Enhancement Expertise:

4. • Strong experience in monitoring, diagnosing, and tuning mainframe systems for optimal performance.

4. • Proficiency in using performance monitoring tools such as RMF (Resource Measurement Facility), OMEGAMON, or similar technologies.

4. • Ability to identify bottlenecks, analyze capacity, and implement solutions to ensure systems perform within SLA requirements.

5. Technical Documentation Skills:

5. • Skilled in creating and maintaining comprehensive technical documentation, including system diagrams, process workflows, operational guides, and incident logs.

5. • Ability to effectively convey complex concepts to diverse technical and non-technical audiences.

6. Additional Preferences:

6. • Familiarity with additional mainframe technologies such as CICS, DB2, COBOL, JCL, and virtual storage access methods (VSAM).

6. • Experience working in regulated industries or high-availability IT environments.

6. • Demonstrated ability to work collaboratively within cross-functional teams and effectively manage competing priorities.