Easterby has been with the Scarlets since 2003, first as a flanker, then as captain and then finally as the defence coach before moving up this summer.
It was as defence coach where Easterby worked alongside Jones, the latter also one of the region's favourite sons having played on the wing for Wales.
And having worked together during Davies's reign, Jones is eager to mark Easterby's first season at the helm with a trophy.
"It's been good. For the two seasons we've been coaching, we've been predominantly pitch based," Jones told the South Wales Evening Post.
"Nigel was very good at overseeing it all and making sure everything was running smoothly, playing a kind of director of rugby role.
"He was happy to let me and Simon get our tracksuits on and do the coaching on the field.
"Simon and I have got on particularly well for the last two seasons. We're sharing the workload and he's done a marvellous job so far. It's been a pleasure working with him.
"It worked well when Nigel was here. He's moved on to pastures new and he's helped to bring us through.
"Hopefully now we can start to drive things further and take that next step, which will be getting into the play-offs and winning things."
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