Job Description

Mechanical Assembler

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.

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

• 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

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