Large Fabrication Manufacturing Engineer III
Chattanooga, TN
Experience: 5
Education: BS
Category: Energy
Contractor Work Model: Onsite
Brand: System One
Job ID: 380192
Date Posted: 09/14/2026
Shortcut: http://jobs.systemone.com/hVFhUQ
Job Title: Large Fabrication Manufacturing Engineer III
Location: Chattanooga, TN
Type: Direct Hire
Compensation:
Work Model: Onsite – onsite
Hours: 40.0
Responsibilities
- Manage technical aspects of complex manufacturing projects from receipt of customer PO to shipment.
- Determine material, fabrication, inspection, and testing requirements from customer PO, customer specifications, and/or standard specifications (e.g. NQA-1, ASTM, ASME, API, ISO, etc.).
- Create Nuclear Commercial Grade Dedication Plans and Technical Evaluations.
- Interface with production planning to discuss optimum machining/manufacturing approach.
- Planning fabrication sequences, fixturing, and managing heavy lifts for large weldments.
- Create bills of material, manufacturing instructions (routers), weld maps, inspection reports, test reports, etc. for production and inspection activities.
- Create test plans (pressure, load, electrical, etc.), perform testing, write test reports.
- Provide purchasing requirements to purchasing agent based on drawing and specification requirements.
- Select and manage outside vendors related to projects.
- Frequent communication/guidance to production personnel regarding welding/assembly of projects.
- Frequent technical communication with outside vendors.
- Frequent technical communication with customer engineering groups.
- CAD modeling and manufacturing drawing creation, as needed to support projects.
- Fixture design, as needed to support projects.
- Temporary assignment to other activities/duties as needed to support the business.
- Bachelor of Science in Mechanical, Manufacturing, Welding, or Industrial Engineering - or equivalent trade progression
- 5+ years experience supporting weldments of 5+ tons and/or 20+ feet in at least one dimension, supporting industries such as heavy structural, pressure vessel, nuclear component, mining, shipbuilding, or power generation
- Demonstrated ownership of weld sequence planning and distortion control on multi-pass, thick-section joints
- Experience planning and directing heavy lifts, including rigging plans, lift points, and load paths
- Experience with GD&T applied to large machined weldments
- Strong mechanical aptitude and work ethic
- Proficiency reading technical specifications, machining and fabrication drawings, including GD&T and AWS weld symbols
- Proficiency with CAD modeling/drafting (e.g., AutoCad, SolidWorks, Creo)
- Ability to establish material/service purchasing requirements
- Proficiency with Microsoft Windows, Word, and Excel
- Experience with ERP Software (e.g., SAP, Global Shop, Mapics)
- Experience working with 10CFR50 App B, NQA-1, ASME BPVC, MIL, DOE, NavSea standards
- Good math and communication skills, written and verbal
System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
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