Subsequent to graduation from Academy, assigned to main engineering department, U.S.S. Galaxy. Specialized in EPS Conduit maintenance. By 2367, improved performance of EPS Conduits by 15%. Promoted to Lieutenant, junior grade.Transferred to U.S.S. Enterprise-D, under command of Captain Jean-Luc Picard. Assigned to Main Engineering, served as duty engineer under Lieutenant Commander Geordi LaForge. Assigned to supervise starboard nacelle control room in 2369. After destruction of Enterprise-D in 2371, transferred to U.S.S. Enterprise 1701-E, assigned as supervisor of port nacelle control room. Served with distinction during second Borg incursion of Sol Sector, 2373.