AS400/IBM i Infrastructure Analyst

Expert Technology Services

Phoenix, AZ

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JOB DETAILS

SKILLS

Adabas, AllFusion Endevor Change Manager, Analysis Skills, Application Programming Interface (API), Atlassian JIRA, CPU (Central Processing Unit), Capacity and Performance Management, Configuration Management, Corrective Action, Cross-Functional, Database Administration, DevOps, Disaster Recovery, Distributed Computing, Failover, High Availability, Hybrid Cloud, IBM AS-400 Server, IBM CICS (Customer Information Control System), IBM DB2, IBM Product Family, IBM Rexx Programming Language, IBM Sysplex, IBM z-OS Operating System, IP Multimedia System (IMS), Identify Issues, Input/Output, JCL (Job Control Language), Mainframe Computer, Memory Hardware, Messaging Middleware, Operations Processes, Performance Analysis, RACF (Resource Access Control Facility), Root Cause Analysis, SQL (Structured Query Language), Software AG NATURAL, Software Administration, Software Patches, Splunk, Symmetric MultiProcessing (SMP) Computing, Systems Administration/Management, Systems Analysis, Systems Maintenance, TCP/IP (Transmission Control Protocol/Internet Protocol)

LOCATION

Phoenix, AZ

POSTED

18 days ago

Job Summary (Mainframe DB2 Systems Administrator):

- Install, configure, and maintain IBM DB2 for z/OS subsystems in a mission-critical enterprise environment
- Perform version upgrades, patching, and ongoing system maintenance for DB2
- Manage subsystem configuration, including ZPARMs, buffer pools, logs, BSDS, catalog, and directory
- Monitor and tune DB2 system-level performance (CPU, memory, I/O); optimize buffer pools, locking, and thread/connections
- Support capacity planning and performance analysis using DB2 and system tools
- Manage and support DB2 Data Sharing (Sysplex), Coupling Facility integration, workload balancing, and failover
- Ensure high availability and resilience through disaster recovery strategies
- Analyze and resolve subsystem failures, connectivity issues, dumps, logs, and abends; perform root cause analysis and implement preventive actions
- Support integration and troubleshooting with other mainframe subsystems (Batch/JCL, CICS, IMS, MQ, distributed systems)
- Document operational procedures and participate in disaster recovery testing
- Collaborate with cross-functional teams for system improvements and modernization initiatives
- Utilize and support DB2 utilities, monitoring, and performance tools (OMEGAMON, MainView)
- Use DevOps tools for mainframe (Endevor, ISPW), and support cloud/hybrid integration if required
- Stay current with modernization tools (z/OS Connect, APIs) and large-scale DB2 upgrades/migrations
- Maintain working knowledge of SQL, JIRA, SMP/E, RACF, TCP/IP, network certificates, Splunk
- Programming experience with REXX and, ideally, software support for BMC for DB2 Tools, IBM z/OS Connect, Software AG ADABAS and Natural products
- Onsite requirement: 3 days per week in Phoenix, AZ (relocation considered)
- LinkedIn profile required for candidate submission

About the Company

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