"It's a good result, it's good for the club. We are trying to build a new culture where everyone is committed to the team and the club."
Ngongotaha and United are the only teams in the 12-team competition to have won both of their matches this season.
"It's great for Rotorua football and I wish Ngongotaha all the best as well," Walker said. "And for us we will just take each game as it comes."
Ngongotaha, who finished second last year behind Cambridge, were at their goal-scoring best winning 5-0. The goals were shared between Conor Hinz, Luke Barker, Josh O'Sullivan, Mitch Miller and Yamill Cuba.
Meanwhile, the Rotorua United women's team won 2-0, beating Hamilton Wanderers 5-1. The United women's team have also picked up two wins from two.
WaiBOP Premiership results this weekend (round two):
Premiership: Otumoetai 4-0 Tauranga Old Blues, Cambridge FC 14-0 Tauranga City, Matamata Swifts 2-2 Waikato Unicol, Rotorua Utd 2-1 Melville Utd, Tauranga Boys' College 1-2 Katikati FC, Ngongotaha 5-0 SGS Papamoa.
Table: Ngongotaha 6, Rotorua Utd 6, Matamata 4, Waikato Unicol 4, Cambridge 3, Tauranga Boys' College 3, Melville Utd 3, Katikati 3, Otumoetai 3, Old Blues 0, Papamoa 0, Tauranga City 0.
Championship: Otumoetai 3-1 Tauranga Old Blues, Cambridge 0-4 Taupo, Matamata 1-3 Waikato Unicol, Ngongotaha 1-1 West Hamilton, Hamilton Wanderers 7-1 Whakatane Town, Te Awamutu 5-1 Tokoroa.
Women's premier: Rotorua Utd 5-1 Hamilton Wanderers. Other scores not submitted.