She joined the organisation in 2010 as compensation and benefits manager for the UK and Norway.
Harris said: “After a review of the responsibilities of the reward function, a bigger position was created for a total rewards manager for Europe.
“I am now looking forward to transferring my skills and knowledge, plus working on the many European total reward challenges and opportunities ahead.”
Previously, Harris was reward manager at Boots UK.
She also spent almost 17 years at DHL International, most recently as senior compensation and benefits officer.