Sivert Heltne Nilsen was born on the 2nd of October, 1991, in Norway. He is now 34 and represents Aberdeen as a central defensive midfielder, having acquired notable honours in his career. Respecting an approximate height of 6 ft (1.84m) and a weight of 12st 3lb (78kg), the dedicated footballer sports the Number 6 Jersey. Transfermarkt recognises his current market value to be approximately £212k.
Nilsen initiated his football career with Hødd in the OBOS-ligaen in Norway, marking his transfer in January 2009. In 2014, he moved to Valerenga in the Eliteserien, also in Norway. During his time in the 2014 season at Valerenga, he clocked 28 first-team appearances in league matches, which subsequently dropped to 13 in the 2015 season.
In an undisclosed deal, Heltne Nilsen transferred from Valerenga to Brann in the Eliteserien, Norway in July 2015. His tenure at Brann saw him actively participating in multiple seasons from 2015 to 2024, making numerous first-team appearances and scoring several goals. In July 2018, he left Norway for AC Horsens in the 1. division in Denmark, again for an undisclosed amount.
In 2019’s summer, Nilsen was on the move again, exiting AC Horsens to settle with IF Elfsborg in the Allsvenskan, Sweden. During his debut season, he accumulated ten first-team appearances and scored one goal in league matches, increasing his appearances to 23 in the 2020 season.
Bidding IF Elfsborg goodbye, Nilsen welcomed Waasland-Beveren in the Derde Klasse, Belgium, into his career journey in January 2021 with a transfer fee rounding to approximately £400k. He made nine first team appearances in league matches for the season 2020 - 2021.
Later in August 2021, Nilsen returned to Brann for the remaining part of the 2021 season. After a successful season, culminating in a return to Norway, an undisclosed transfer led him to Aberdeen in Scotland, with a striking fee of round £300k in July 2024.
For season 2024 - 2025, Nilsen made 26 first team appearances in league matches for Aberdeen. Currently, in season 2025 - 2026, he has made ten first team appearances and scored one goal in league matches. He took part in various competitions including League Cup 2025 - 2026, Scottish Cup 2025 - 2026, Europa League Qualifiers 2025 - 2026, and Conference League 2025 - 2026, marking notable performances.
