Overview Are you a hands-on builder who takes pride in precision craftsmanship? At Onin, we're looking for a Mechanical Assemblers to help us build the next generation of mission-critical autonomous platforms. You won't just be putting parts together—you'll be working alongside engineering and quality control to turn advanced designs into defense-grade hardware built to survive the world's toughest environments. If you want your work to make a real-world impact and thrive in a fast-paced, high-tech manufacturing environment, we want to hear from you.

Why You'll Love Working Here:

Day & Night Shifts:

First shift - 8am until 5pm.

Competitive Pay:

$22/hour based on experience

Excellent Benefits:

Medical, dental, vision, and HSA options available What You'll Do as an

Industrial Mechanical Assembler:

Key Responsibilities Precision Assembly:

Perform hands-on mechanical assembly of structural components, chassis, airframe elements, and uncrewed hardware systems using hand and power tools.

Blueprint & Documentation Interpretation:

Read and interpret engineering drawings, schematic diagrams, blueprints, bills of materials (BOM), and standard operating procedures (SOPs).

Quality & Inspection:

Conduct rigorous in-process quality checks (fit, form, and function) to identify defects, misalignments, or variances, reporting issues immediately to production leads.

Component Integration:

Assist in integrating mechanical, electro-mechanical, and propulsion sub-assemblies cleanly and efficiently.

Tool & Workspace Maintenance:

Maintain a clean, organized, 5S-compliant workstation and ensure all tools, jigs, and fixtures are properly calibrated and safely stored.

Continuous Improvement:

Collaborate with manufacturing engineers and production teams to streamline assembly workflows, reduce cycle times, and improve product reliability.

Skills and Experience Experience Desired:

1-3+ years of experience in mechanical assembly, precision manufacturing, aerospace production, or a related technical field. Proficient in reading blueprints, technical schematics, and assembly instructions. Strong mechanical aptitude with hands-on experience using precision hand tools, pneumatic tools, torque wrenches, and measurement instruments (e.g., calipers, micrometers). High commitment to quality control and meticulous craftsmanship—especially critical when building hardware destined for high-stress environments. Strong communication skills, a positive attitude, and the ability to work effectively in a fast-paced, mission-driven team environment. Ability to stand for extended periods, bend, reach, and lift up to 50 lbs safely. Benefits Don't miss this chance to enhance your experience in a production environment while enjoying competitive pay and a comprehensive benefits package. Weekly pay $5 prescription drugs $5 doctor's visit copays Free teledoctor service Free counseling services Life insurance included Vision insurance included Dental insurance included Vacation and holiday pay Scholarship Opportunities 401(k) retirement plan Free legal services Our unbeatable employee discount program Apply now so we can hold a spot for you. We can't wait to talk to you! --Your Ōnin Rock Hill, SC team Apply Now