Mariana Minerals
Sr./Staff Mechanical Engineer
$140K–$175K
San Francisco HQ +1 · On-site · Staff · Full-time · Posted Oct 7, 2026
- Location
- San Francisco HQ
Houston, TX - Education
- Bachelor’s degree in Mechanical Engineering or a related engineering discipline.
About the job
Leads mechanical engineering for chemical refining processes and equipment, from concept through commissioning, while supporting software development for project execution and plant optimization.
What you'll do
- Lead mechanical equipment scopes across design, procurement, fabrication, installation, commissioning, and handover.
- Manage vendors and prepare or review equipment specifications, drawings, calculations, and technical bids.
- Develop plant layouts, perform static equipment design and FEA, and support construction and commissioning.
What they ask for
- Bachelor’s degree in Mechanical Engineering or a related engineering discipline.
- Experience preparing and reviewing mechanical equipment specifications, vendor documentation, and engineering deliverables for brownfield modifications and greenfield facilities.
- Ability to perform code-based static equipment design and calculations; proficiency with finite element analysis tools.
- Working knowledge of standards and codes such as ASME and API; proficiency in mechanical design software such as AutoCAD.
Nice to have
- Hands-on experience with solids-handling and conveyance equipment.
- Experience with pyrometallurgical processes or industrial environments, or fluids, thermal, and Multiphysics CFD simulations.
Pay
$140K – $175K (USD, base salary)
Tools
FEA, ASME, API, AutoCAD, Multiphysics CFD
Model-written summary · the original posting is authoritative