sure, it's how most of us work. well, as per default your contracting rates should be at least your salary + expenses and if you are any good (both, as an engin

sure, it's how most of us work. well, as per default your contracting rates should be at least your salary + expenses and if you are any good (both, as an engineer and a salesman or at least one of the two) your rates should be multiples of that. if it's a long term contract, rates can go a bit lower. if it's a short term gig, rates go up as they need to cover your living and business expenses between gigs