Do you need experienced mainframe skills?

Mainframe sustainability keeping you up at night?

Out of bench strength on a key technical resource,
with looming retirement eligibility?

Reluctant to give control to an outsourcer?
Concerned that they too struggle to find skills?

Contact Us

At GTSG, mainframe is a mission-critical core competency. Below is a representative sample of our skills. 

Mainframe Platform Support

OS installation, upgrades, maintenance; broad ISV support

Configuration management & system modification

RACF, Top-Secret, ACF2

DBMS/DBA Support

IMS/DB2 Installation, upgrades, migrations
Data sharing

ISV, custom configuration, user exits, custom coding

IDBA performance tuning support

Storage Support

DASD & Tape Management

Backup, Recovery, and Migration

SMS, RMM, ACS coding, HSM,

3rd party storage

Disaster Recovery support

Operational Support

Automate OS alerts and customized triggers/responses

Control System Operations

Advanced REXX Scripting

Error Message Handling

CICS / WebSphere Support

CICS installation & upgrades

CICS resource management

CICS related ISV installation,
upgrades, exploitation

External interface management (MQ, Web Connectors, etc.)

Process & Procedure

Transition & Knowledge Transfer

Steady State improvements

ITIL processes – incident, change,
root cause analysis, etc.

Process improvements

Performance and Capacity Management

Performance Management

Workload Management

Capacity Management

System & Application MIPS reduction through tuning

Disaster Recovery and High Availability

Metro/Global Mirror, GDPS/GDPSCA

Local replication (TDMF, other software-based)

High Availability Assessment, Design, Plan & Implement

Staff Your Mainframe Based on Your
Organization’s Unique Requirements

Enhance Your Credibility with the Business:
Protect Mission-Critical Mainframe Applications

Manage a Small Mainframe Shop
with Excellence – and Affordability

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White Papers

Customer Success