Sr./Staff Process Engineer - Detailed Engineering and Plant Design is open at Marianaminerals in Houston, TX. The posting gives no salary; similar roles in the United States advertise a median of $230K. Posted on Oct 14, 2026, and still on Marianaminerals’s careers page when we last checked, on Nov 14, 2026.
About the role
We are hiring a Senior / Staff Process Engineer to execute detailed engineering deliverables such as P&IDs, line and instrument and valve lists, control narratives, hydraulic models, equipment and bulk specifications, and the procurement packages behind them. Mariana executes process engineering in-house, you will produce these deliverables yourself, own their technical content and revision history, and carry them…
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
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