The search team uses the completed brief to separate adjacent familiarity from work the candidate owned. Each interviewer should use the same scenario, record the evidence provided, and score the answer against the responsibilities agreed during intake.
Principal Engineer: Role-specific scope
Screened for organization-level architecture, long-range technical direction, critical systems, engineering-wide impact, standards, and executive technical decisions, with the boundary set by the employer's systems, delivery stage, and operating model.
Interview prompt: Ask for one decision involving Technical Strategy, System Architecture, Platform Direction. Record the constraint, what the candidate owned, and the evidence used to evaluate the result.
Brief alignment: Define the systems, delivery stage, operating boundary, and ownership expected from the Principal Engineer
Principal Software Engineer: Ownership checkpoints
Screened for organization-level architecture, long-range technical direction, critical systems, engineering-wide impact, standards, and executive technical decisions, with the boundary set by the employer's systems, delivery stage, and operating model.
Interview prompt: Ask for one decision involving organization-level architecture, long-range technical direction, critical systems. Record the constraint, what the candidate owned, and the evidence used to evaluate the result.
Brief alignment: Screen candidates for evidence of organization-level architecture, long-range technical direction, critical systems, engineering-wide impact, standards, and executive technical decisions
Principal Platform Engineer: Adjacent role boundaries
Screened for organization-level architecture, long-range technical direction, critical systems, engineering-wide impact, standards, and executive technical decisions, with the boundary set by the employer's systems, delivery stage, and operating model.
Interview prompt: Ask for one decision involving Principal Engineer, Principal Software Engineer, Principal Platform Engineer. Record the constraint, what the candidate owned, and the evidence used to evaluate the result.
Brief alignment: Separate direct delivery experience from adjacent product, project, or consulting exposure