Mainframe & Core Infrastructure Services
Comprehensive systems programming, middleware engineering, and enterprise storage administration on IBM zSystems. We ensure high-volume transactional integrity, software lifecycle governance, and continuous disaster resilience.
High-Volume CICS Transaction Engineering
End-to-end administration, configuration, and performance tuning for IBM CICS Transaction Server supporting high throughput online transaction processing (OLTP).
- SMP/E installation, preventive maintenance, vendor fixes, and version upgrades.
- Proactive capacity monitoring and bottleneck resolution via RMF, BMC Mainview, and Omegamon.
- Open Transaction Environment (OTE) tuning, dynamic CSD definitions, and DB2/MQ integrations.
- System dump diagnosis, root cause analysis (RCA), and REXX operational automation.
z/OS Systems Programming & ISV Rationalization
Independent Software Vendor (ISV) software lifecycle management, competitive product migrations, and z/OS system maintenance with zero business disruption.
- Complete SMP/E software management: RECEIVE, APPLY, ACCEPT, and USERMOD governance.
- Technical evaluation, proof-of-concept (PoC), and replacement of third-party mainframe software.
- Authoring detailed migration runbooks, data conversions, and cutover execution.
- Compatibility verification and impact assessments for new IBM z/OS operating system releases.
Enterprise Mainframe Storage Administration
Continuous administration, monitoring, capacity planning, and business continuity for enterprise mainframe storage hardware and software subsystems.
- Administration of enterprise storage hardware (IBM DS88XX DASD and TS77XX Virtual Tape).
- Disaster recovery engineering and continuous replication with GDPS, SRDF, CSM, and OAM.
- DFSMS policy management, Storage Group tuning, and prevention of space abends.
- Application workload troubleshooting (COBOL, VSAM, batch) and weekly on-call incident triage.