Yes, you can have 2 401K accounts and 2 HSA accounts as long as you do not go over the annual maximum contribution amount of $19,500 and $3,500 respectively. Your income level is too high for a standard IRA as you are covered by a qualified plan at both places of employment. You could possibly do a backdoor Roth IRA but your contribution would not be deductible however the earnings would grow tax free.
Here is a link to the IRS.gov tax withholding estimator that will help you to determine how to complete your W-4.
Here is some information on the Backdoor Roth.
