II.
Role JSON
Structured · liverole:principal-engineer
Principal Engineer json
Inspect the normalized record payload exactly as the atlas UI reads it.
{
"id": "role:principal-engineer",
"_kind": "Role",
"_file": "domain/roles/roles-leadership.yaml",
"_cluster": "domain",
"attributes": {
"displayName": "Principal Engineer",
"isAgentic": false,
"automatability": 0.6,
"description": "Operates as the highest individual-contributor technical role, driving organization-wide\ntechnical initiatives and solving the most complex engineering challenges without\nmanagerial authority. Shapes engineering culture by modeling excellent practices,\nmentoring staff engineers, and publishing internal technical standards. Collaborates\nwith the CTO and VP of Engineering on multi-year technology strategy while remaining\ndeeply hands-on in critical codebases.\n",
"seniority": "principal"
},
"outgoingEdges": [
{
"from": "role:principal-engineer",
"to": "responsibility:architecture-decision",
"kind": "holds_responsibility"
},
{
"from": "role:principal-engineer",
"to": "responsibility:mentoring",
"kind": "holds_responsibility"
},
{
"from": "role:principal-engineer",
"to": "responsibility:code-review",
"kind": "holds_responsibility"
},
{
"from": "role:principal-engineer",
"to": "responsibility:knowledge-sharing",
"kind": "holds_responsibility"
},
{
"from": "role:principal-engineer",
"to": "responsibility:performance-optimization",
"kind": "holds_responsibility"
},
{
"from": "role:principal-engineer",
"to": "domain:software-engineering",
"kind": "requires_skill",
"attributes": {
"level": "authoritative"
}
},
{
"from": "role:principal-engineer",
"to": "specialization:software-architecture",
"kind": "requires_skill",
"attributes": {
"level": "expert"
}
},
{
"from": "role:principal-engineer",
"to": "specialization:performance-optimization",
"kind": "requires_skill",
"attributes": {
"level": "expert"
}
},
{
"from": "role:principal-engineer",
"to": "skill-area:c4-modeling",
"kind": "requires_expertise",
"attributes": {}
},
{
"from": "role:principal-engineer",
"to": "skill-area:domain-driven-design",
"kind": "requires_expertise",
"attributes": {}
},
{
"from": "role:principal-engineer",
"to": "skill-area:hexagonal-architecture",
"kind": "requires_expertise",
"attributes": {}
},
{
"from": "role:principal-engineer",
"to": "skill-area:adr-writing",
"kind": "requires_expertise",
"attributes": {}
},
{
"from": "role:principal-engineer",
"to": "skill-area:monolith-vs-microservices",
"kind": "requires_expertise",
"attributes": {}
},
{
"from": "role:principal-engineer",
"to": "domain:software-engineering",
"kind": "applies_to",
"attributes": {}
}
],
"incomingEdges": [
{
"from": "role:cto",
"to": "role:principal-engineer",
"kind": "delegates_to"
},
{
"from": "workflow:technical-debt-reduction",
"to": "role:principal-engineer",
"kind": "involves_role"
},
{
"from": "workflow:architecture-decision-record",
"to": "role:principal-engineer",
"kind": "involves_role"
},
{
"from": "lib-agent:programming-languages--compiler-performance-engineer",
"to": "role:principal-engineer",
"kind": "lib_involves_role",
"attributes": {
"weight": 0.7
}
},
{
"from": "lib-agent:programming-languages--jit-specialist",
"to": "role:principal-engineer",
"kind": "lib_involves_role",
"attributes": {
"weight": 0.7
}
},
{
"from": "lib-agent:programming-languages--llvm-engineer",
"to": "role:principal-engineer",
"kind": "lib_involves_role",
"attributes": {
"weight": 0.7
}
},
{
"from": "lib-agent:programming-languages--memory-management-expert",
"to": "role:principal-engineer",
"kind": "lib_involves_role",
"attributes": {
"weight": 0.7
}
},
{
"from": "lib-agent:programming-languages--type-system-engineer",
"to": "role:principal-engineer",
"kind": "lib_involves_role",
"attributes": {
"weight": 0.7
}
},
{
"from": "lib-agent:software-architecture--atam-analyst",
"to": "role:principal-engineer",
"kind": "lib_involves_role",
"attributes": {
"weight": 0.7
}
},
{
"from": "lib-agent:software-architecture--cqrs-event-sourcing-expert",
"to": "role:principal-engineer",
"kind": "lib_involves_role",
"attributes": {
"weight": 0.7
}
},
{
"from": "lib-agent:software-architecture--ddd-expert",
"to": "role:principal-engineer",
"kind": "lib_involves_role",
"attributes": {
"weight": 0.7
}
},
{
"from": "lib-agent:software-architecture--legacy-modernization-expert",
"to": "role:principal-engineer",
"kind": "lib_involves_role",
"attributes": {
"weight": 0.7
}
},
{
"from": "lib-agent:software-architecture--microservices-architect",
"to": "role:principal-engineer",
"kind": "lib_involves_role",
"attributes": {
"weight": 0.7
}
},
{
"from": "lib-agent:software-architecture--performance-engineer",
"to": "role:principal-engineer",
"kind": "lib_involves_role",
"attributes": {
"weight": 1
}
},
{
"from": "lib-agent:software-architecture--quality-attributes-specialist",
"to": "role:principal-engineer",
"kind": "lib_involves_role",
"attributes": {
"weight": 0.7
}
},
{
"from": "lib-agent:software-architecture--refactoring-coach",
"to": "role:principal-engineer",
"kind": "lib_involves_role",
"attributes": {
"weight": 0.7
}
},
{
"from": "lib-process:software-architecture--atam-analysis",
"to": "role:principal-engineer",
"kind": "lib_involves_role",
"attributes": {
"weight": 0.7
}
},
{
"from": "lib-process:software-architecture--ddd-strategic-modeling",
"to": "role:principal-engineer",
"kind": "lib_involves_role",
"attributes": {
"weight": 0.7
}
},
{
"from": "lib-process:software-architecture--microservices-decomposition",
"to": "role:principal-engineer",
"kind": "lib_involves_role",
"attributes": {
"weight": 0.7
}
},
{
"from": "lib-process:software-architecture--performance-optimization",
"to": "role:principal-engineer",
"kind": "lib_involves_role",
"attributes": {
"weight": 1
}
},
{
"from": "lib-process:software-architecture--refactoring-plan",
"to": "role:principal-engineer",
"kind": "lib_involves_role",
"attributes": {
"weight": 0.7
}
},
{
"from": "lib-process:software-architecture--system-design-review",
"to": "role:principal-engineer",
"kind": "lib_involves_role",
"attributes": {
"weight": 0.7
}
},
{
"from": "lib-skill:software-architecture--code-complexity-analyzer",
"to": "role:principal-engineer",
"kind": "lib_involves_role",
"attributes": {
"weight": 0.7
}
},
{
"from": "lib-skill:software-architecture--performance-profiler",
"to": "role:principal-engineer",
"kind": "lib_involves_role",
"attributes": {
"weight": 1
}
},
{
"from": "lib-skill:software-architecture--static-analysis-runner",
"to": "role:principal-engineer",
"kind": "lib_involves_role",
"attributes": {
"weight": 0.7
}
},
{
"from": "org-unit:architecture-guild",
"to": "role:principal-engineer",
"kind": "has_member",
"attributes": {}
},
{
"from": "workflow:flight-software-certification",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:mission-simulation-review",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:dependency-graph-audit",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:vehicle-cybersecurity-assessment",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:microservice-decomposition",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:event-driven-architecture-review",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:medical-device-validation",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:process-simulation-review",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:hazop-safety-analysis",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:structural-analysis-review",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:renewable-energy-project-assessment",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:legacy-codebase-assessment",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:technology-radar-curation",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:pci-dss-scoping",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:compliance-technology-stack-audit",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:technical-debt-portfolio-review",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:post-incident-review",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:quarterly-planning",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:production-readiness-review",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:key-ceremony",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:security-control-maturity-assessment",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:data-mesh-domain-ownership-review",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:tech-radar-update",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:architectural-fitness-function-review",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:architecture-decision",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:pcb-design-review",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:signal-integrity-analysis",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:annual-strategic-planning",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:merger-integration-playbook",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:environmental-impact-assessment",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:hardware-design-review",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:architecture-governance",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:vendor-evaluation",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:grc-framework-assessment",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:composite-failure-analysis",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:cad-design-review",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:event-storming-session",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:spec-review-cycle",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:monolith-extraction-planning",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:resource-estimation-review",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:mentorship-pairing-cycle",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:drug-trial-protocol-review",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:computational-experiment-validation",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:okr-alignment-review",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:roadmap-review",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:error-correction-validation",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:breaking-change-review",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:kernel-module-review",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:systems-memory-safety-audit",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:abi-compatibility-validation",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:spectrum-allocation-review",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:airworthiness-compliance-review",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:biocompatibility-testing-cycle",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:chemical-process-safety-review",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:maritime-environmental-compliance",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:environmental-remediation-planning",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:tech-radar-update",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:architectural-fitness-function-review",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:architecture-decision",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:architecture-governance",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
},
{
"from": "workflow:vendor-evaluation",
"to": "role:principal-engineer",
"kind": "involves_role",
"attributes": {}
}
]
}