The vastly-experienced defender was a youngster at Charlton Athletic before moving into Non- League. He enjoyed spells at Eastleigh, East Thurrock United, Grays Athletic, Farnborough Town, Havant & Waterlooville and Macclesfield Town.
The German manager threw himself into the deep end at Ebbsfleet United last June in the toughest of circumstances, but impressed before the National League South season ended early.
The 24-year-old former Wealdstone and Maidenhead United left back has signed for joint-bosses Neil Baker and Jon Underwood after moving on from Bath City because of the travelling.
The former Concord Rangers and Stevenage striker has re-signed for the National League South outfit after a spell at Cressing Road last season before the campaign was cancelled.
Striker Robinson is the all-time leading scorer in the National League South thanks to goal-laden stints with the Hawks, Hemel Hempstead and Billericay Town, who he has left this summer.
Lee Phillips made a good career out of getting the better of defenders but going up against a young Tyrone Mings in Chippenham Town training sessions showed the striker all he needed to know.
The competitive action will make a long-awaited return for clubs in the North and South Divisions on Saturday 14th August, with the National division getting underway seven days later.
Danny and Nicky Cowley kick-started their career in the dugout with the Beachboys in the Essex Senior League and their success has seen them move onto the likes of Lincoln City, Huddersfield Town and Portsmouth.
Oastler, 30, has joined from National League South rivals Oxford City, but knows the Hawks setup well after spending three years coaching the club’s academy.
The National League South club were unable to win their place back on the pitch this year after clubs voted to curtail the 2020-21 campaign at Step 2 in February.