Firstly, take a look at:
There’s some great tips and advice there.
Technology Assurance and Advisory is a very specific role. It is absolutely key that you understand:
Exactly what Deloitte do in this field
What you will be doing in your first year at Deloitte
Technology Assurance (also known as ‘Risk Assurance Services’ elsewhere) is where you will perform an audit on a firm’s electronic controls and security systems, to help reduce the risk of fraud and error.
Technology Advisory is advising a client about their current or prospective technology implementation. This may extend to consultancy, where Deloitte will have a hand in the implementation of a new technology system.
In so far as the assessment day goes, you may/may not have to sit the Deloitte E-tray exercise. This is well covered in the Deloitte WikiJob Profile.
For the partner interview, there is information also on the above profile, but remember that the purpose of a partner interview is to allow them to have the final say. They are performing a judgement of character and want to determine if:
The can trust you fact to face with their most prestigious clients
Your personality will fit in well with those at Deloitte
Ultimately, it’s a partner’s gut feeling that counts, so the impression you make is vital. Make sure you are confident but not over zealous, make sure you are polite and highly professional. Imagine if they were your most important customer, this image will probably get you through.
There’s also a bit of blurb about partner interviews on WikiJob here:
If it’s any support, I got the job at Deloitte but ended up working at PwC (I preferred it).
When is your assessment day?
Good luck! Hope this helps,