High Paying Oil and Gas Jobs Senior Landman. Salary range: $125,500-$160,500 per year. ... Completions Engineer. Salary range: $91,500-$148,000 per year. ... Subsea Engineer. Salary range: $93,000-$134,000 per year. ... Rig Welder. ... Land Acquisition Specialist. ... Petroleum Landman. ... Land Agent. ... Land Acquisition Analyst.