Carling will start the part-time role next week and has been given the brief of developing the skills of the leadership group spearheaded by co-captains Dylan Hartley and Owen Farrell.
It is a shock move by Jones, who believes the experience accumulated during 59 appearances as England skipper in a reign that produced three Grand Slams and a World Cup runners-up medal will be of benefit.
"He joins the great past of England to the present", said Jones.
"It is similar to what the All Blacks have done with great players and I think Will can play a role for us", Jones added.
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Will Carling is to join the England's rugby union team staff under coach Eddie Jones as a mentor to senior players. But I've thought we have had a gap in that area'.
'He's a specialist in leadership and he understands English rugby and what made English rugby great.
Saracens scrum-half Richard Wigglesworth, who is in England's squad for the autumn Tests, dismissed Carling's criticism as "ridiculous".
The South Africa match begins a month of Saturday internationals at Twickenham for England, with other fixtures against New Zealand, Japan and Australia.