Mid-Level Plant Designer

Amentum

Mid-Level Plant Designer at Amentum with expertise in HVAC and piping design using BIM tools. Engaging in detailed design, equipment arrangement, and project collaboration remotely.

Posted 4/16/2026full-timeOak Ridge • Tennessee • 🇺🇸 United StatesSeniorLead💰 $123,000 - $163,000 per yearWebsite

About the role

Key responsibilities & impact

A general understanding of Building Mechanical Systems: HVAC/Piping/Plumbing
Develop piping systems and equipment layout in SmartPlant 3D or similar BIM design tools.
Developing General Equipment Arrangement Deliverables.
Assist with resolving interferences and developing resolutions
Ensuring proper integration with other BIM tools such as Intelligent Schematics.
Working with Piping Engineering on Pipe Specifications and Stress analysis support locations.
Working with Structural Engineering for Pipe Support designs.
Managing the model outputs for material lists and reports.
Working with Civil on underground interface connections.

Requirements

What you’ll need

AS Degree or Higher
10+ years using BIM tools for Plant Design
Chemical process industrial mechanical/piping design experience
Nuclear piping design experience is preferred
Candidates local to Oak Ridge, TN is preferred, However, candidates with applicable experience and qualifications that are local to Oak Ridge, TN are encouraged to apply while considering additional travel requirements.

Benefits

Comp & perks

Health, dental, and vision insurance
Paid time off and holidays
Retirement benefits (including 401(k) matching)
Educational reimbursement
Parental leave
Employee stock purchase plan
Tax-saving options
Disability and life insurance
Pet insurance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

BIM designSmartPlant 3Dpiping systems designequipment layoutstress analysispipe specificationsmaterial lists managementunderground interface connectionsinterference resolutiongeneral equipment arrangement

Certifications

AS DegreeBachelor's Degree