Seeking a Mechanical Assembler I for onsite work in Lenexa, KS, primarily on 2nd shift (2:30 pm - 1:00 am). The role involves precision assembly of high-pressure oxygen cylinders, using hand tools, measuring equipment, and following blueprints and instructions to ensure product quality and safety. Responsibilities include equipment adjustment, testing and recording oxygen purity and moisture levels, and maintaining compliance with safety standards. Candidates must have a high school diploma or equivalent and U.S. citizenship; prior manufacturing experience is preferred. The position offers competitive benefits such as health insurance, paid time off, retirement plans, tuition reimbursement, and wellness programs. This opportunity is ideal for individuals passionate about precision, quality, and innovation in a large-scale manufacturing environment, contributing to aerospace advancements. Candidates may be required to attend some interview steps in person, and all applicants are considered without discrimination.