Montgomery County life sciences firm MaxCyte Inc. is settling into a new headquarters and ramping up manufacturing and hiring, following a massive overhaul of the space to accommodate increasing demand and a growing headcount. The company, which markets a cell-engineering platform for pharmaceutical companies developing new drugs and therapies, now occupies its new home at 9713 Key West Avenue in Rockville — a 10-minute drive southeast of its former space at 21 and 22 Firstfield Road in Gaithersburg
