[2][3] In the following seasons Rednic helped the club finish third in the 1981–82 Divizia A, also appearing in four games in the 1982–83 UEFA Cup as they got past Grazer AK in the first round, being eliminated in the following one by FK Sarajevo.

[2][3][5] In the summer of 1983, Rednic and teammate Ioan Andone were transferred from Corvinul to Dinamo București in exchange for five players which included Nicușor Vlad, Teofil Stredie and Florea Văetuș.

[2][3] In his first season spent with The Red Dogs, he helped the club win The Double, coach Nicolae Dumitru using him in 31 league games, also he played all the minutes in the 2–1 victory over rivals Steaua București from the Cupa României final and appeared in eight matches in the 1983–84 European Cup, scoring one goal which helped them get past Dinamo Minsk, the club also eliminating title holders Hamburg in the campaign, reaching the semi-finals where the campaign ended in front of Liverpool.

[2] Rednic played 83 matches and scored two goals at international level for Romania, making his debut under coach Mircea Lucescu in a 0–0 with Switzerland at the 1982 World Cup qualifiers.

[20] Rednic was also part of Romania's U20 squad at the 1981 World Youth Championship from Australia, appearing in six games, helping the team finish the tournament on the third position, winning the bronze medal.

[23] Rednic had his first coaching experience while still being an active player in December 1998 at Rapid București when Mircea Lucescu left the club to go train Inter Milan and he was appointed as a caretaker manager for one Divizia A game, a 3–0 victory against Universitatea Cluj.

[43] On 10 June 2013, Rednic returned to Romania, becoming the new head coach of CFR Cluj, but ended his contract by mutual agreement only two months later after winning only one game from the first four played in the championship and had a conflict with the team captain Ricardo Cadú.

[44] On 1 October 2013, it was announced that Rednic moved to Gent to replace Víctor Fernández, but was dismissed in April 2014 with a few rounds before the end of the season, the club officials claiming that the relationship between the coach and the players was not good.

[45] After a short second spell at Petrolul Ploiești and a third spell at Dinamo with whom he reached a cup final which was lost in front of CFR Cluj, he went to coach a third team in Belgium, Excel Mouscron where he worked with Romanian players Cristian Manea and Dorin Rotariu, taking the club from the last place of the 2016–17 Belgian First Division A and helping it avoid relegation, however he was dismissed the following season after managing to obtain 29 points in 26 rounds, which was considered insufficient by the club's officials.

[28][32][46] From 2018 until 2021, Rednic had coaching experiences at Saudi Arabian club Al-Faisaly, Politehnica Iași, Viitorul and two spells at Dinamo, all of them being short and unsuccessful with a low victory percentage.