Mechanical Designer Jr.

Amentum•US-ID-Scoville-Bus Ops (E&E NA) (ID014), ID

2d•Onsite

About The Position

As a Jr-level mechanical designer, you will support the design and development of HVAC, piping, and plumbing systems for industrial and government facilities, including nuclear and DOE projects. Working under the supervision of Senior Designers and Mechanical Engineers, this role contributes to the development of construction‑level design deliverables that meet project, quality, and safety requirements. This role is ideal for an early‑career designer who is building technical skills in CAD and plant design tools, enjoys collaborative work, and is eager to grow within a multidisciplinary engineering environment.

Requirements

High School Diploma or GED (Associate Degree in Drafting, Design, or Engineering Technology preferred)
0 to 5 years of experience in mechanical design for industrial or government facilities
Experience with HVAC, piping, and plumbing layout design
Working knowledge of 3D design software such as AutoCAD and MicroStation
Ability to learn new software tools, workflows, and design standards
Strong attention to detail and willingness to accept technical guidance and feedback
Effective communication skills and ability to work in a team‑based environment
U.S. Citizenship required (no dual citizenship)
Valid driver's license is required
Ability to obtain and maintain a security clearance
Ability to pass pre-employment background investigation and drug screening
Willingness to work overtime or outside normal hours as needed
Professional appearance appropriate for a customer‑facing engine

Nice To Haves

Prior nuclear, DOE, or high‑hazard facility design experience
Experience working under a formal quality program (ISO 9001, NQA 1)
Experience supporting multidisciplinary design teams
Demonstrated interest in professional growth and technical development

Responsibilities

Develop 2D drawings for HVAC equipment, ductwork, piping, and plumbing systems using AutoCAD, MicroStation, or similar tools
Prepare design deliverables under supervision, including: Equipment layouts, Duct and piping plans, Isometric drawings, Sections, and details
Incorporate engineer and senior designer markups and redlines into accurate drawings
Coordinate designs with mechanical engineers and other disciplines (structural, electrical, process, I&C)
Ensure proper integration of mechanical designs with other disciplines
Apply established design standards, procedures, and quality requirements
Perform self‑checks and support revisions to drawings as directed
Participate in field walkdowns or site coordination activities when needed