Fabricator​/Welder

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Full Time MAG - MP Magnetics LLC, Fort Worth, TX, US

MP Materials (NYSE: MP) is rebuilding American industrial capability for a new era of autonomy, robotics, and electrification.

We are the only U.S. company with a fully integrated rare earth supply chain—from mining and refining to advanced metal and magnet manufacturing. Our products include both the critical materials used to make permanent magnets and the finished magnets themselves—enabling next-generation technologies in robotics, automation, aerospace, transportation, defense, and energy systems. These materials are the foundation of physical AI—the convergence of computation, movement, and control.

We hire ambitious, mission-driven people who want to tackle complex challenges and shape the future of strategic industries. Our culture is rooted in teamwork, resiliency, and integrity, with a deep commitment to operational excellence and national purpose. MP is rapidly evolving from a materials producer into a leading U.S. manufacturer—and our people are driving that transformation.

The Fabricator/Welder builds, fits, and installs structural fabrications, equipment frames, guards, platforms, and process piping that support magnet manufacturing operations. This role partners closely with Engineering to interpret drawings, prototype new designs, and deliver high-quality, reliable fabrications on schedule. Success in this role requires expert layout and fit-up, proficiency in multiple welding processes (GTAW/TIG, GMAW/MIG, SMAW; FCAW a plus), strong pipe fitting skills, and a relentless commitment to safety and craftsmanship.

• Fabricate structural components (skids, frames, mezzanines, platforms, handrails, machine guards) from plate, tube, angle, and channel.
• Perform pipe fitting and welding on carbon and stainless‑steel process lines (butt weld, socket weld, threaded); cut, bevel, prep, fit, and support piping to spec.
• Read and interpret fabrication drawings, weld symbols, isometrics, and P&IDs; verify dimensions and tolerances before and during build.
• Execute welding using GTAW/TIG, GMAW/MIG, and SMAW across all positions; select consumables, set parameters, and control heat input to meet quality requirements.
• Conduct layout and fit‑up using jigs/fixtures, squares, precision levels, lasers, and measuring tools to achieve precise alignment.
• Cut and form material using oxy‑fuel and plasma cutting, band saws, ironworker, press brake, shear, rollers, notchers, and grinders.
• Perform in‑process and final quality checks (visual inspection, dimensional verification); coordinate NDE as required; complete rework to standard.
• Collaborate with Engineering on prototyping and new builds; provide manufacturability feedback, redline drawings, and suggest design improvements.
• Rig, move, and install fabrications safely; operate forklifts and overhead cranes; follow proper rigging and signaling practices.
• Maintain welding/fabrication equipment; perform basic troubleshooting and preventative maintenance on shop tools.
• Complete documentation: redlines, weld maps, material heat/lot traceability (when required), and work order updates; record time and materials in SAP CMMS.
• Follow all safety policies including LOTO, hot work permitting, ventilation, confined space protocols, and PPE; actively participate in 5S and housekeeping.
• Support planned outages, turnarounds, and urgent repairs; respond to priority work requests to minimize downtime.

• High school diploma or equivalent, 4+ years of industrial fabrication/welding experience in a manufacturing, maintenance, or shop environment.
• Proficiency in GTAW/TIG (stainless and carbon) and GMAW/MIG; SMAW required; FCAW experience is a plus.
• Strong blueprint reading skills including weld symbols; ability to work from isometric drawings and basic P&IDs.
• Demonstrated pipe fitting ability (takeoffs from isos, offsets, fit‑up, and support installation) to meet quality/tolerance requirements.
• Competent with layout…