Manatory :

Experience for design, implementation, 
test and migration of Bank’s infrastructure systems ( more than 3 years).
Deep knowledge for storage architecture and  
storage concepts.
Good documentation capabilities for design 
documents, operation manudals, administration manuals, test documentation, etc.
Backup solutions knowledge
Good analytical skills for trouble shooting
Good communication skill

Good to have:

VBScript, Windows Batch Script and Linux 
Shell script knowledge
System Operation Knowledge (Windows / Linux)