Quick Start To Search Oil Gas Jobs & Careers Like Oil Rig Jobs, Oil Industry Positions, Oil Gas Engineering Jobs, Gas And Oil Industry Careers, Gas Refinery Jobs At OilAndGasCrossing. OilandGasCrossing is a job-aggregation service, and it is not free to belong to it. That's right, OilandGasCrossing is not free. Why is OilandGasCrossing not free like other websites? It is not free because we do something no other website out there does: We work for you, the job seeker, and go out and find every single oil and gas job we can in the market. Other job sites have an ass backward strategy of charging employers hundreds of dollars to post jobs on their site and this keeps jobs out. We want jobs in! We do everything within our power to put jobs in.