Warrant Officer 1 (U) Pengiran Haji Redzaini bin Pengiran Haji Ahmad was appointed as the 13th Sergeant Major of the Royal Brunei Air Force (RBAirF) on 27 February 2025. Prior to this, he served as the Base Sergeant Major of No. 6 Wing, Support Group RBAirF, from 2024 to 2025.
He began his military career in 1998, undergoing six months of initial training. Upon completion, he was assigned to the Air Defence Squadron, RBAirF, as a Detachment Commander. During his service there, he attended various professional development courses including the Rapier Operator Course, Intermediate Air Defence Course, Detachment Commander Course, and the All Arms Air Defence Instructor Course. He also took part in the Airguard Exercise in 1999.
In 2005, he joined the Parachute Airborne Tactical Delivery Unit (PATDU), RBAirF. His airborne training includes the 164th Basic Airborne Course and the 65th Basic Rigger Course in Singapore, as well as Basic Freefall, Jump Master, Jungle Rescue Team, Dispatcher, and Para Counsellor & Advanced courses. He was subsequently appointed as a Parachute Jump Instructor.
In 2014, he was selected as the Wing Sergeant Major (WSM) at No. 3 Wing, Operational Group. He has participated in parachute demonstration teams during Brunei’s National Day celebrations, the Royal Brunei Armed Forces Anniversary, and international events including in the Philippines. He also served as a Joint Dispatcher in Brunei-led Humanitarian Assistance and Disaster Relief (HADR) operations alongside ASEAN countries.
Most recently, he attended the Command Senior Enlisted Leader (CSEL) Programme at the Avalon International Airshow 2025 in Melbourne on 24 February 2025.
WO1 (U) Pengiran Haji Redzaini is married and blessed with five children and two grandchildren. He enjoys motorcycle riding and camping in rural areas.
