Clark, 46, brings fantastic experience after taking charge at Huddersfield Town, Blackpool, Birmingham City and Kilmarnock.
He replaced Alun Armstrong who has switched to Darlington - and has signed four of the club’s players in the process.
Clark can’t wait to shape his new squad as the National League North club made their big announcement on Saturday afternoon.
“First and foremost, it’s football – I love it, I want to be on the grass,” said the Spartans’ new manager on the club’s website.
“I’ve been too long out the game and an opportunity to be at home around my family at a great club with great tradition.
“When they contacted me and I was honoured.”