S. Gawley's professional journey included roles as a Senior Construction Designer at various prestigious institutions, including the Imperial Navy Research, Development and Engineering Center, the Corellian Engineering Corporation Research, Development and Engineering Center, the Incom Corporation Research, Development and Engineering Center, and the SoroSuub Corporation Research, Development and Engineering Center.
His design contributions encompassed the Avenger, the X-34 landspeeder, and the T-65 X-wing starfighter, in addition to laying the groundwork for the YT-1300 light freighter which ultimately evolved into the Millennium Falcon.