Junior Mechanical Engineer — Detector Design & Build

PVH (Tommy Hilfiger/Calvin Klein); Lemont (IL); On-site; USD 78,505 - 147,399; Full time

Benefits offered by this job

Comprehensive benefits

Job summary

The Argonne National Laboratory is seeking a junior mechanical engineer to join the Medium Energy Physics and Fundamental Symmetry groups. You will support design and construction of detectors and instrumentation, rotate with senior engineers, and help grow toward a lead engineering role.

Responsibilities include mechanical design, hands-on assembly, CAD work, and collaboration with scientists and vendors, with emphasis on vacuum systems, laser and optical components, and detector R&D.

Qualifications

• B.S. in mechanical, structural, or related engineering required; M.S. preferred.
• Ability to carry out mechanical design and hands-on build/assembly for detector systems.
• Proficiency with CAD software (SolidWorks, Creo, Inventor or equivalent).
• Working knowledge of high‑ and ultra‑high‑vacuum systems.
• Strong communication and collaboration with scientists and vendors.
• Experience with laboratory equipment and detector R&D basics.

Responsibilities

• Design and construct Barrel Imaging Calorimeter components and related hardware.
• Support overlap with senior engineer toward long‑term lead role.
• Collaborate with researchers and external partners on R&D and fabrication.
• Apply CAD models and perform mechanical analysis for safety and reliability.

Skills

Mechanical design

CAD software

Vacuum systems

Communication skills

Hands-on build

Education

B.S. in mechanical engineering

M.S. in engineering or lab experience

Tools

SolidWorks

Creo

Inventor

FEA tools (ANSYS/COMSOL)

Job description

The Argonne National Laboratory is seeking a junior mechanical engineer to join the Medium Energy Physics and Fundamental Symmetry groups. You will support design and construction of detectors and instrumentation, rotate with senior engineers, and help grow toward a lead engineering role.

Responsibilities include mechanical design, hands-on assembly, CAD work, and collaboration with scientists and vendors, with emphasis on vacuum systems, laser and optical components, and detector R&D.