MySQL server administration
5.0(3)Best Practice in Portfolio Management in Upstream Oil and Gas
Querying Microsoft SQL Server
5.0(3)Linux system administration (LPIC-1)
5.0(3)Total BGP for engineers
5.0(3)UNIX system administration
5.0(3)Exploration & Production (E&P) Accounting Level 2
Windows server 2019 administration
5.0(3)