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ZCubed Technologies

Services

ZCubed Technologies — Mainframe Engineering & Systems Services

ZCubed Technologies provides specialized mainframe engineering services focused on system integrity, performance optimization, operational reliability, and modernization of z/OS environments. Our team brings decades of hands‑on experience across complex, multi‑vendor infrastructures, with deep expertise in diagnostics, tuning, and architectural design.

Our services support environments running IBM z/OS, RACF, JES2/JES3, DB2, CICS, IMS, MQ, SMP/E, and associated subsystems.


Performance Evaluation, Monitoring & Tuning

Performance Evaluation, Monitoring & Tuning

Performance Evaluation, Monitoring & Tuning

We perform detailed analysis of system and subsystem performance using SMF, RMF, and vendor‑specific instrumentation, such as OMEGAMON, SYSVIEW & others. Deliverables typically include:

  • Health Checks 
  • CPU, I/O, and memory utilization analysis
  • WLM policy review and optimization
  • DASD performance and cache hit‑ratio evaluation
  • Coupling Facility structure sizing and tuning
  • Identification of contention, serialization, and enqueue hotspots
  • Recommendations for tuning parameters, buffer pools, and workload distribution

Our tuning work targets measurable improvements in throughput, response time, and resource efficiency.

System and Application Standards

Performance Evaluation, Monitoring & Tuning

Performance Evaluation, Monitoring & Tuning

We define and implement standards that improve maintainability and operational consistency across environments. Areas include:

  • JCL standards and catalog structure
  • SMP/E installation and maintenance procedures
  • Naming conventions for datasets, resources, and subsystems
  • RACF class definitions, grouping, and access models
  • Change management and migration workflows
  • Coding standards for assembler, COBOL, PL/I, and utilities

Standards are tailored to your environment and integrated into existing operational practices.

Package Evaluation

Performance Evaluation, Monitoring & Tuning

Problem Management & Resolution

We evaluate third‑party tools and utilities for technical fit, performance impact, and integration requirements. This includes:

  • Compatibility with existing subsystems and middleware
  • SMP/E installation and maintenance complexity
  • Resource consumption and operational overhead
  • Security model and RACF integration
  • Failure modes, fallback strategies, and vendor support maturity

Our assessments help engineering teams make informed, architecture‑aligned decisions.

Problem Management & Resolution

Problem Management & Resolution

Problem Management & Resolution

 We provide deep diagnostic support for complex system and application issues. Typical engagements include:

  • Analysis of dumps, traces, logs, and SMF records
  • Identification of abends, loops, hangs, and storage violations
  • Cross‑vendor issue isolation in multi‑product environments
  • RACF access failures and security‑related anomalies
  • JES2/JES3 queueing, scheduling, and throughput issues
  • Subsystem‑level failures (CICS, DB2, MQ, IMS, etc.)

We focus on root cause, not symptom suppression, and provide corrective actions to prevent recurrence.

System and Application Design

Problem Management & Resolution

System and Application Design

 We design architectures that support scalability, reliability, and long‑term maintainability. Areas include:

  • z/OS system layout and LPAR configuration
  • Coupling Facility structure design and sizing
  • High‑availability and disaster recovery architectures
  • CICS region structure and workload partitioning
  • DB2 subsystem configuration and buffer pool design
  • MQ channel, queue, and cluster architecture

Designs are delivered with implementation steps, validation procedures, and operational guidelines.

Customization

Problem Management & Resolution

System and Application Design

We develop and modify system exits, utilities, and automation components to meet site‑specific requirements. This includes:

  • Creating and establishing a CICSPlex SM Environment
  • RACF exits and security automation
  • JES2/JES3 exits and routing logic
  • SMF exits and data enrichment
  • REXX, CLIST, and automation scripts
  • ISPF panels and custom tooling
  • Tailored reporting and monitoring utilities

All customizations follow IBM‑recommended practices and are fully documented.

E-Business

Conversion and Renovation

Conversion and Renovation

We support integration of mainframe systems with distributed and cloud environments through:

  • API enablement (z/OS Connect, REST/JSON services)
  • MQ and Kafka integration patterns
  • Secure data exchange (TLS, AT‑TLS, ICSF, PKI)
  • Hybrid workload orchestration
  • Web‑to‑host modernization strategies
  • CICS Web Services & Web Support

Web Enablement 

Our goal is to extend mainframe capabilities without compromising performance or security.

Conversion and Renovation

Conversion and Renovation

Conversion and Renovation

We manage complex modernization and migration efforts, including:

  • Platform migrations and version upgrades
  • Application refactoring and code remediation
  • Data format conversions and schema modernization
  • SMP/E consolidation and cleanup
  • Legacy utility replacement and decommissioning
  • Automated testing and validation frameworks

Projects are executed with strict change control and minimal operational disruption.

Mentoring Program

Conversion and Renovation

Mentoring Program

Our Mentoring Program connects organizations with senior‑level subject matter experts who provide targeted guidance, technical insight, and hands‑on knowledge transfer. This service is designed to strengthen internal teams by giving engineers direct access to professionals with decades of real‑world mainframe experience.

  • Technical advisory support on system architecture, performance tuning, diagnostics, and modernization
  • Knowledge transfer through structured walkthroughs, code reviews, standards development, and best‑practice sessions
  • Guidance on operational procedures, subsystem configuration, and environment‑specific challenges
  • Support for junior and mid‑level engineers to accelerate skill development and reduce onboarding time
  • Strategic input on long‑term planning, tooling decisions, and modernization roadmaps

Mentoring engagements can be scheduled as recurring sessions, project‑aligned support, or on‑demand consultations. All guidance is tailored to your environment, your tooling, and your team’s skill level.

Why Engineering Teams Work With ZCubed

  • Deep expertise in z/OS internals, subsystems, and diagnostic tooling
  • Ability to isolate issues across multi‑vendor, multi‑platform environments
  • Strong focus on root cause analysis, not temporary fixes
  • Architecture‑driven approach to modernization and system design
  • Clear documentation, reproducible procedures, and knowledge transfer

ZCubed is a technical partner for organizations that require precision, reliability, and engineering‑level depth.

CONTACT US

📞 973.299.9669

📧 info@zcubedtech.com

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