The Linux Professional Institute (LPI) LPIC-3 certification is a professional certification program that caters to enterprise-level Linux professionals. It is the highest level of professional, distribution-neutral Linux certification in the industry. Currently, there are four separate specialty certifications available within LPIC-3: LPIC-3 Mixed Environments LPIC-3 Security LPIC-3 Virtualization and Containerization LPIC-3 High Availability and Storage