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Sr. Piping Designer

Join Mariana Minerals as a Sr. Piping Designer to revolutionize piping design using advanced software and automation.

Location
Houston, TX, United States
Compensation
Not disclosed
Level
senior
Type
full time

Posted by employer 23 hours ago

First seen on Joblaze 17 hours ago

Last verified on the company career page 17 hours ago

Apply at Mariana Minerals → Save job Scanned from marianaminerals.com

What you'll build

  • Build the 3D model
  • Draft the process documents
  • Carry lines from P&ID to IFC
  • Produce the quantities
  • Script the repetitive work

Must have

  • BS in Mechanical Engineering or a closely related field
  • 3D design fluency in CAD environment
  • An automation instinct
  • Willingness to build software with modern AI coding tools
  • Clear writing

AI in the day-to-day

Use vibe coding tools to get from idea to working tool in days.

Requirements

Education
Bachelor's degree

Not disclosed in this posting: compensation, years of experience, work arrangement, visa sponsorship.

Joblaze summary

In this role, the Sr. Piping Designer at Mariana Minerals focuses on modernizing the piping design process by creating 3D models, drafting process documents, and automating repetitive tasks. Proficiency in CAD tools like AutoCAD Plant 3D and a strong understanding of engineering principles are essential, along with a knack for scripting and automation. This position is suitable for engineers with a background in mechanical design, including new graduates eager to innovate workflows. The company emphasizes a culture of safety, ownership, and collaboration as it seeks to transform the minerals supply chain.

Joblaze insights

  • Listed today — first seen on Joblaze October 13, 2026. Last confirmed on Mariana Minerals's careers page October 13, 2026.
  • Solidworks appears in 1.7% of 2476 comparable senior other roles in United States; Creo appears in 0.4% of 2476 comparable senior other roles in United States.

Quick facts

What's the tech stack?
Joblaze extracted these technologies from the posting: AutoCAD Plant 3D, CATIA, Creo, Inventor, NX, Solidworks.
What seniority level is this role?
Mariana Minerals targets senior candidates for this position.
Is this full-time or contract?
Full-time for this Sr. Piping Designer role at Mariana Minerals.

From the original posting

Role Overview

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, modeling software, geometry and CAD APIs, and modern AI coding assistants, has moved far enough that a large share of that work should be generated, checked, and optimized by software.

That is the job. You will do the real design work including layout, routing, supports, stress, isometrics, quantities. And then go after the parts of it that should never have been manual. You will write the checks, build the scripts, and stand up the workflows that let a small team model a plant that would normally take an army of designers.

 

What You’ll Do

  • Build the 3D model. Plot plans, equipment layout, line routing, supports, and issued-for-construction isometrics in AutoCAD Plant 3D

  • Draft the process documents. PFDs and smart P&IDs, plus Plant 3D project setup. Data Manager, spec catalogs, templates, and isometric configuration.

  • Carry lines from P&ID to IFC. Spec compliance, clash-free routing, operability and maintenance access, and vent, drain, and hydrotest details

  • Produce the quantities. Bills of material and take-offs generated from the model

  • Squad check, comment resolution, and multidiscipline model reviews with process, mechanical, structural, and electrical

  • Find the waste. Identify which parts of the workflow are repetitive, error-prone, or checked by eye, and make the case for automating them

  • Script the repetitive work. Spec and standards checks, bulk model edits, attribute and tag cleanup, quantity reporting, and clash triage

  • Build with AI coding tools. Use vibe coding tools to get from idea to working tool in days, and use version control so other people can run what you built

  • Connect the data. P&ID data, line lists, stress inputs, and procurement quantities moving between systems, so numbers are derived rather than retyped

  • Prototype the next workflow. Rules-driven routing, automated support placement, automated drawing and isometric checks, and model QC that runs continuously instead of at milestones

 

What You’ll Bring

  • Technical depth. You reason from first principles about geometry, loads, and flow instead of pattern-matching to the last project

  • 3D design fluency. Real models and assemblies in a serious CAD environment. SolidWorks, Inventor, NX, CATIA, or Creo, or plant tools like AutoCAD Plant 3D, CADWorx, E3D, or SP3D

  • An automation instinct, with evidence. You have looked at a repetitive engineering task, decided it should be scripted, and actually tried

  • Willingness to build software with modern AI coding tools. No programming background required. You do need to be the engineer who picks up Claude Code or Cursor and ships something useful in the first month

  • Excitement about a new way of working. If the best answer for why a workflow exists is that it has always been done that way, this is not the right role

  • Judgment about when to automate. And when a script is a distraction from getting the design out the door

  • Clear writing. You will be documenting workflows other people follow

  • Education. BS in Mechanical Engineering or a closely related field. New graduates are welcome. Equivalent hands-on design experience works in place of the degree

 

Our culture is built on four principles:

Standard company text repeated across Mariana Minerals's postings is omitted here.

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