IBM - IBM Power Systems
IBM's Power Architecture-based server line is marketed under the brand name of IBM Power Systems. IBM Power systems as we know it today was launched in 2008. Before that, IBM had two Power-based lines: the System i running IBM i (earlier known as i5/OS and OS/400) - and the System p series running AIX or Linux.
IBM Power Systems certifications focus on various aspects of this technology, depending on the candidate's needs and their job role. Currently, IBM offers the following Power Systems certifications: Certifications for Sellers, Certifications for Technical Sellers, IBM Certified Advanced Technical Expert, IBM Certified Systems Expert, IBM Certified System Administrator.