Shouder sleeve insignia of the 45th Air Assault Brigade (Ukraine)
<a href="https://en.wikipedia.org/wiki/Ministry_of_defence_of_Ukraine" class="extiw" title="w:Ministry of defence of Ukraine">MOD of Ukraine</a> employee or contractor
Own work based on: <a rel="nofollow" class="external text" href="https://www.facebook.com/pg/45brigade">insignia from Facebook page of the 45th brigade</a>