What do Staff engineers actually do?

The role of a Staff-plus engineer depends a lot on what the team needs and also what the particular engineer strengths are. From my experience the responsibilities of a Staff-plus engineer can change over time, but usually their main focus is working on projects/efforts that have strategic value for the company, while driving technical design and up-leveling their team. - Diana Pojar

Anyone who has been cornered by relatives at a party and asked to explain what software engineers actually do kn...