WEST CHESTER, OH
Magnetic Particle (MT/MPI) Inspector
$28 - $35
Summary:
Perform in-process and final magnetic particle inspections (MT/MPI) on firearm barrels, bolts, and other ferromagnetic components to ensure compliance with commercial (SAAMI) and DoD standards under the technical direction of the Responsible Level III.
Key Responsibilities:
Conduct MT inspections using bench, coil, central-conductor, and yoke methods.
Execute proof-fire and 100% MT flow per HPT requirements for commercial and military lots.
Perform system checks (bath concentration, light levels, magnetizing current) and maintain calibration records.
Interpret indications to applicable acceptance criteria (ASTM/ASME, MIL-STD, customer specs).
Demagnetize and verify parts before release; complete reports, defect maps, and traceability documentation.
Support preventive maintenance, calibration, and cross-department collaboration (Production, QA, Engineering).
Uphold safety, PPE, and housekeeping standards.
Qualifications:
Level II MT certification under SNT-TC-1A.
Knowledge of ASTM E3024/E709, and familiarity with ASME Section V and MIL-STD-1907/1916.
Ability to read technical drawings and GD&T.
Proficiency with MT benches/yokes, UV-A meters, gauss meters, and pie/QQI gauges.
Strong documentation, vision, and attention to detail.
Preferred:
Experience in small-arms or defense manufacturing.
Familiarity with ASTM E1444/E1444M or NAS-410.
Additional NDT certifications (PT, VT, UT, ET).
Knowledge of manual inspection tools (calipers, micrometers).
Work Environment:
Standing for long periods, lifting up to 40 lbs, exposure to oils/particles, and low-light conditions for fluorescent MT. Overtime and weekend work may be required. ITAR/EAR compliance applies.
Minutemen Staffing provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.