Ask HN: What are some educational resources for more senior engineers?
* Networking - (routing and switching) Start by studying for the CCNA (many text books) and then move onto advanced switching with routing for L3 switches as required for the CCNP* Security - Start with text books studying for the Security+ and work your way up to CISSP (security management)* Accessibility - WCAG 2.0* Psychology - Start by studying emotions, motivations, and intentions from academic literature.  Learn about OCEAN in applied contexts* Architecture - Best learned from fully separated parallel means of applied process refinement put together (refactoring) and do it all again many times.  What shakes out is a vision for scale applied through simple schemes of organization.* History - The best way to avoid catastrophic mistakes is to be aware of past failures, understand human motivations, and avoid troubled organizations