He has now been charged with leading the Dens Park side back to the Ladbrokes Premiership following their relegation after being given the job on a rolling contract.
Nicholl arrives from St Mirren, where he was part of Oran Kearney's backroom team.
Confirmed: James McPake appointed the manager of Dundee
Dundee have confirmed the appointment of James McPake as their new manager with Jimmy Nicholl arriving as his assistant.
