# Areas of Expertise > [!summary] >- [[Fault Tolerance and Security (Start Here)|Mission-critical]] System [[Good Design and Bad Design#Signs of Good Design|Design]] and [[Simulation (Start Here)|Simulation]] >- [[Systems Engineering and Startups|NewSpace Systems Engineering]] >- Software-defined [[Non-Terrestrial and Mobile Networks#A Quick Review on 4G/LTE|Comms]] >- [[Inspecting JSBSim and Core Flight System (cFS)#Core Flight System Teardown|Flight Software]] | [[Non-Terrestrial and Mobile Networks#A Quick Review on Satellites#Avionics|Avionics]] >- [[Printed Circuit Boards#Embedded Software|Embedded]] Systems | Internet-of-Things (IoT) | Connected devices >- [[Approaches to Product Development|Product Management]] | [[To Engineer is (Still) Human (Start Here)|Tech Management]] | [[The Struggling Startup Quick Guide|Startup]] Scaling