Who is 21CS?  
August 1, 2023

The rebranding of 21CS reflects a new chapter in the company’s history. And while our commitment to provide reliable products and exceptional customer service remains the same, we are pushing forward to the future of innovation and stepping beyond the 21st century.  

Since being founded nearly 30 years ago, 21CS has delivered innovative solutions essential for mission-critical operations across the business and IT spectrum.  The z/OS operating system and IBM mainframe hardware continues to be the platform of choice for the largest business enterprises in the world. As a trusted IBM partner, 21CS develops and supports software in the areas of system performance, storage management, systems resiliency, and cloud data management. In the mid-range segment, 21CS owns the VSEn operating system and is driven to redefine the future of this OS.    

21CS

Nick Pachnos, CEO 21CS

21CS is a truly global company with significant development and senior management staff in the US, Australia, and Europe. We continue to hire in each of our global locations and are excited to announce the recent opening of our development lab in Greece.  Not only do we recognize the benefits of having a globally and culturally diverse workforce, we also prioritize having one that reflects a vast array of skills.  We value our senior staff while being committed to hiring recent university graduates as well as recent career changers.

 

Take a look around at our redesigned website and learn more about 21CS. Feel free to message me with any questions you may have.  We would love to hear from you.   

Nick Pachnos
CEO, 21CS  

 

Eduardo J. Ciliendo Appointed New CEO of 21CS

Eduardo J. Ciliendo Appointed New CEO of 21CS

[Boston, MA] – September 5, 2024 – 21CS is pleased to announce the appointment of Eddy Ciliendo as the new Chief Executive Officer of 21CS, effective September 1, 2024. Eddy succeeds Nick Pachnos, who after leading the company through a period of significant growth...

21CS is a leader in the development of software solutions that are designed to create value across the business and IT spectrum.

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