Elite Federal Solutions Architect — DoD & Gov Execs

Appian in London is seeking a Principal Solution Architect to lead the technical strategy behind our largest federal engagements, acting as an enterprise strategist and platform evangelist. You will work with senior agency executives to shape multi-million-dollar modernization programs, ensuring compliance, security and rapid value delivery through Appian Data Fabric and secure deployment frameworks.

This role requires deep federal domain knowledge, 50%–70% travel, and the ability to translate