Hasenhuttl will be supported at Southampton by existing first-team assistant coach Kelvin Davis, who was in charge of the team against Tottenham, as well as head of goalkeeping Dave Watson and head of sports science Alek Gross.
They call for fresh direction in the middle of a season because they are desperate.There were familiar flaws for Hasenhuttl to digest from his lofty perch at Wembley, having been confirmed as Mark Hughes's successor in the morning, namely defensive timidity and looseness and, at the other end, a lack of any discernible goal threat until the game was over at 3-0 to Tottenham.
"It's a big challenge but also the logical next step in my career", said Hasenhuttl. "My goal is to get my name known here in the Premier League", Hasenhuttl said.
The Austrian boss will have a tough time keeping Saints in the division, after a very poor start to the season under Mark Hughes.
"I had a few successful years in Germany and was thinking about my next step, and it challenged me to stand in front of a new team with a new language". If someone says it is too much running or work for me they will fall very quick.
"If you know my kind of football, you will know I'm about training sessions, working on habits". No one likes change, but if you give a new manager a chance, you will improve as a player.
Ralph Hasenhuttl has warned he will trim Southampton's squad before seeking new signings in the January transfer window.
"I want to bring them to their limits".
Pompey go in search of an eighth consecutive win in all competitions when they host Southend.
Krueger said the qualities Hasenhuttl displayed in taking unheralded German side Ingolstadt from the foot of the second tier to promotion to the elite augured well for Saints' future.
'Last year I had a fantastic Champions League team, we were on a very high technical level.