I recruit For Capgemini and as a business (and obviously I don't work for them), they appear to be more relaxed, less competitive and more collaborative than many of the other big firms. Tech Advisory (known as tech Transformation) is a cross sector practice, working under the headline of IT enabled Bus Transformation, which can include anything from large scale Technology Transformation through to Lean IT and Sourcing. Sales target for Principals is circa £1.5m - £2m pa.
Salary for Principal Con is circa £85k base - £125k base, + 19% flex benefits + circa 205 - 25% bonus.
They are not currently recruiting at Principal level within Tech Transformation as far as I'm aware.
Hope this helps.