4+ years in product development. Python/R + a low-level language. Terabyte-scale data stream and batch processing. HPC knowledge (vectorization, memory access, distributed computing) to build efficient algorithms. Degree in a quantitative field (Math, Stats, Physics, CS, or Engineering).
Upper limit on compensation was 200k.
> Although saying that I know first hand low starting salaries have pushed students towards mechanical engineering or CS if inclined.
You answered your own question. The American engineering pool consists mostly of high school diplomas who can't pass PE exam at multiple trials.
Edit: coincidentally, my wife was offered a state civil engineering job in Bay area. Didn't take up because the salary offered was below 100k, even with 5 years of experience.