Derek O'Callaghan Email & Phone Number

Dublin, Ireland

Abacus Systems are an independent network systems integrator based in Walkinstown, Dublin. Our sales and technical team are comprised of experienced engineers with a minimum of ten years field experience coupled with manufacturer led industry certifications. We have IT expertise in many sectors including retail, hospitality, healthcare, legal and manufacturing. Our services include cloud migration and management, managed services, traditional break fix contracts, roll-out and deployment. The… Show more Abacus Systems are an independent network systems integrator based in Walkinstown, Dublin. Our sales and technical team are comprised of experienced engineers with a minimum of ten years field experience coupled with manufacturer led industry certifications. We have IT expertise in many sectors including retail, hospitality, healthcare, legal and manufacturing. Our services include cloud migration and management, managed services, traditional break fix contracts, roll-out and deployment. The depth of experience positions us to act as technology advisers to our customers.Our target sectors are:- Healthcare- Hospitality- Legal- Manufacturing- Distribution Show less

Business Machines Kenya based in Nairobi with agencies for Compaq, Olivetti, Epson and HP were transitioning from stand alone accounting systems to computer networks. Having several years experience with Novell Netware and network infrastructure I was responsible for a large team of engineers providing presales, installation and post sales support. I also took an active roll in identifying new technologies and establishing supplier partnerships.

Joining Sharptext in 1983 a support software executive I finished in 1990 as Group service manager with responsibility for computer service delivery to the customer base.

Ba Hons, Psychology

Education record