Jr. Machinist - KSAS (Physics & Astronomy)

As part of the Krieger School of Arts & Sciences Physical Sciences Machine Shop, we are seeking a Jr. Machinist who will work under the supervision of PSMS Instrument Design team to provide machining services to the University research and instructional community and affiliates: Responsible for the fabrication of precision components using a variety of equipment, including manual and CNC (Computer Numerical Control) lathes and milling machines, wire EDM and a variety of fabrication and inspection equipment; various machining tasks to design, prototype, and fabricate specialized equipment/instruments.

Under the supervision and guidance of PSMS Instrument Designers Team

• Fabricate precision components from a variety of materials.
• Design jigs, fixtures, and instruments to satisfy fabrication or design requirements.
• Operate manual lathes, milling machines, grinders, sanders, and utilize a variety of hand tools.
• Program setup and operate CNC machines, including machining centers, lathes, and wire EDM.
• Interface with faculty, staff and students to understand customer requirements.
• Track time, order materials and tooling, and maintain a neat and orderly workspace.

• High School diploma or graduate equivalent.
• Three years of related experience.
• Additional education may substitute for required experience and additional related experience may substitute for required education beyond HS Diploma/Graduation Equivalent, to the extent permitted by the JHU equivalency formula.

• Machining course certificates.
• Working experience with manual lathes and mills to fabricate precision hardware.
• Some experience developing manufacturing processes for precision hardware fabrication.

Technical Qualifications & Specialized Certifications

• Precision machining: - Basic experience with programming, setup, and operation of computer numerical control (CNC) machines.
• Multi-Axis Machining - Some familiarity with 4 and 5 axis CNC programming, setup, and operation.
• EDM - Familiarity with wire and/or sinker EDM (electrical discharge machining).
• CAD/CAM expertise - General proficiency using Computer-Aided Design (CAD) software such as SolidWorks, Mastercam, Creo, or AutoCAD.
• Complex fabrication - Familiarity with different techniques for fabricating tight-tolerance components from raw stock from a variety of materials including: aluminum, brass, stainless steel, titanium, invar and plastics.
• Geometric dimensioning and tolerancing (GD&T) - A general understanding of Geometric Dimensioning and Tolerancing (GD&T).
• Welding and other processes - Some experience with welding (TIG, MIG, arc), brazing, soldering, and the use of waterjet and laser cutters.
• Measurement and inspection - General proficiency with precision measurement tools, including calipers and micrometers.

Classified Title: Instrument Designer 
Job Posting Title (Working Title): Jr. Machinist - KSAS (Physics & Astronomy)   
Role/Level/Range: ACRO37.5/03/CG  
Starting Salary Range: $26.65 - $46.65 HRLY (Commensurate w/exp.) 
Employee group: Full Time 
Schedule: Monday-Friday 8:30 am - 5:00 pm 
FLSA Status: Non-Exempt 
Location: Homewood Campus  
Department name: Physics and Astronomy  
Personnel area: School of Arts & Sciences