Sr. Piping Designer is open at Marianaminerals in Houston, TX. The posting gives no salary; similar roles in the United States advertise a median of $172K. Posted on Oct 12, 2026, and still on Marianaminerals’s careers page when we last checked, on Nov 14, 2026.
About the role
We are hiring Piping Design Engineers to rebuild how piping design is done. Piping is one of the largest cost and schedule drivers in a refinery, and one of the least automated disciplines in engineering. The workflow has barely changed in thirty years: someone routes a line by hand in a 3D model, someone else checks it by eye, and the quantities get counted downstream after the fact. The tooling available today…
The opening lines of the posting. The rest is on Marianaminerals’s careers page.
Hiring at Marianaminerals
Marianaminerals has 102 open roles right now. Most are in Engineering, Manufacturing & Trades and Operations. The median advertised salary across its roles with a published range is $160K. See all its roles