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. Specific Duties & Responsibilities 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. Minimum Qualifications * 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. Preferred Qualifications * 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