Senior-Level Mechanical Designer (Hybrid/Remote)

**Senior-Level Mechanical Designer (Hybrid/Remote)**

Amentum is a global leader in advanced engineering and innovative solutions, supporting critical missions across defense, intelligence, energy, and civilian sectors. Our people are our competitive advantage, driven by purpose, collaboration, and a commitment to delivering excellence for our customers and communities. We are currently seeking a Mid-Level Mechanical Designer to support our Nuclear Projects – Oak Ridge.

**Description:**

As a senior-level mechanical designer, you will provide support for the design and development of HVAC, piping, and plumbing systems for industrial and government (nuclear / DOE) facilities. This role is responsible for the creation, coordination, and checking of complex 3D models and drawing packages, while working closely with mechanical engineers and multidisciplinary teams to deliver high‑quality, fully coordinated design deliverables.

The Senior Mechanical Designe...