Hill has managed Weymouth, Hornchurch and Dagenham

He succeeds Graham Westley, who was relieved of his duties at the weekend, and will be joined at Nene Park by his long-serving assistant Kevin Hales.

Hill and Hales were sacked by Weymouth in January after the club's financial problems led to a cost-cutting review.

"Garry was our unanimous choice. His record at this level speaks for itself," chairman Keith Cousins said.

"He is extremely well-regarded in this division and has numerous games of management experience under his belt.

"I have no doubt in my mind that it will be a good partnership."

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Westley was sacked as Rushden boss after Saturday's 2-2 draw at Aldershot - having only been appointed in December.

He succeeded Paul Hart, who left in October and was replaced by Tony Godden, who had a two-month spell as caretaker boss before Westley arrived.

Hill has previously managed Heybridge Swifts, St Albans City, Dagenham & Redbridge, Hornchurch and Weymouth.

He led Dagenham to the brink of promotion to the Football League in 2002, when they lost out to Boston United on goal difference.