OPTIMIZATION
AND RESILIENCY
21CS delivers innovative solutions essential for mission-critical operations across the business and IT spectrum.
Ensuring Your Enterprise is Fit For the Future
IBM z/OS Systems Performance, Resiliency and Storage has never been more important
Today, the largest companies in the world rely on 21CS to keep their mission-critical systems running smoothly.
A Trusted IBM Partner
Our recent IBM Silver Partnership solidifies our mission of developing innovative solutions for mainframe technology.
New Name, Full Compatibility
Our first version of the VSE operating system offers key feature updates and non-disruptive compatibility with previous versions of IBM z/VSE.
News & Updates
Building an Increasingly Sustainable World with the Mainframe
The benefits of adopting an energy-efficient IT strategy with zSystems and LinuxONE Emperor 4
How DORA Changes the Cybersecurity and Data Resiliency Landscape for Financial Entities
Rebecca Levesque explains how IZBR (IBM Z Batch Resiliency) can help your compliance with DORA. “It is the sheer volume of data, manual recovery processes, skills and application knowledge gaps, and silos of responsibility that are among the operational resilience challenges”
VIDEO: 21CS Is Nurturing the Next Generation of Mainframe Talent
21CS is dedicated to hiring and nurturing the next generation of mainframe talent. On this episode of Futurum Live! From the Show Floor, Stephen Dickens talks to recent 21CS hires Josh Styles and Chris Hartley about how both of them came to the Mainframe industry
IBM z/OS DFSMS Cloud Data Manager
A cost-effective solution for migrating large amounts of data to the cloud.
IBM Z Batch Resiliency
Modern real-time resiliency for non-database applications and automatic recovery processes.
IBM Z Performance and Capacity Analytics
End to end near real-time data curation and reporting for simplified performance, cost and capacity management.
21CS is a leader in the development of software solutions that are designed to create value across the business and IT spectrum.
Careers