Sonol was a Payav engineer who joined the crew of the USS Enterprise-E in 2381, following the Borg Invasion of that year. Commander Geordi La Forge charged Ensign Sonol with supervising a team of temporary engineering personnel to double-checking the ship's emergency forcefield emitters. (TNG novel: Losing the Peace)

USS Enterprise-E engineering personnel
Chief engineers	Montgomery Scott • Geordi La Forge
Engineers & technicians	Achen • H. Adislo • R. Barclay • M. Barnes • Chell • R. Danilova • DeCandido • I. Eiger • Gallivan • J. Goodnough • M. Granados • Heaton • Jarka • L'Sen • Linder • Mobe • Morello • Mun Ying • Nafir • Newaur • M. Obrecht • Rao • P. Porter • Porter • Rao • B.G. Robinson • Sakrysta • Scholz • Sonol • E. Spitale • Taurik • T'Bonz • T'Eama • K. Tierney • Tomoko • Veldon • Wathiongo • Wolfe
see also: medical & counseling personnel • operations personnel • pilots & flight control personnel • security & tactical personnel • sciences personnel • senior staff • miscellaneous • unnamed