Manufacturing Engineer – Precision Munitions & Additive

Heaviside Industries, Inc.; Los Angeles (CA); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Stock options

401(k) plan

Medical coverage

Job summary

Heaviside Industries in Los Angeles, CA is seeking a Production Engineer to design and optimize manufacturing processes for precision munitions. You will develop assembly instructions, introduce new products, and drive design for manufacturability to ensure reliable, scalable production.

This role requires hands-on experience with CNC, molding, 3D printing, and ERP/MES systems, plus proven supplier development, ECO/ECR management, and rigorous documentation practices to support high-quality,

Qualifications

• Background in Mechanical Engineering or equivalent technical education.
• Strong knowledge of manufacturing processes such as CNC machining, assembly, injection molding, and over molding.
• Experience managing subcontractors and external suppliers in a production context.
• Hands-on experience with 3D printing technologies and processes.
• Strong understanding of change management processes in a production environment (ECO/ECR).
• Experience creating and maintaining assembly instructions and work procedures.
• Working knowledge of ERP and/or MES systems.
• Experience with RMA processes, repair workflows, and failure analysis.
• Familiarity with tool calibration processes and maintenance planning.
• Structured, detail-oriented approach to documentation and process discipline.
• Good written and verbal communication skills.

Responsibilities

• Develop and maintain assembly instructions and work instructions for production.
• Support the introduction of new products into manufacturing.
• Drive Design for Manufacturability (DfM) reviews and improvements.
• Apply in-depth knowledge of core production processes like CNC machining, assembly, injection moulding, and overmoulding.
• Evaluate and select appropriate manufacturing methods for components and assemblies.
• Identify process improvements and drive efficiency across production workflows.
• Manage and follow up subcontractors and external manufacturers.
• Ensure subcontractors meet quality, delivery, and technical requirements.
• Collaborate with suppliers on process capability, non-conformances, and continuous improvement.
• Operate and maintain 3D printing equipment for prototyping and production support.
• Manage Engineering Change Orders (ECO) and Engineering Change Requests (ECR).
• Coordinate cross-functional review and approval of production changes.
• Ensure changes are properly documented and implemented on the shop floor.
• Support and manage the RMA (Return Merchandise Authorization) process.
• Conduct repair analysis and identify recurring failure patterns.
• Report on RMA trends and drive corrective actions.
• Plan and execute tool calibration schedules.
• Maintain calibration records and ensure compliance with traceability requirements.
• Coordinate preventive maintenance of manufacturing equipment.
• Utilize ERP and MES systems to manage production data, BOMs, and routings.
• Ensure data accuracy and support digital workflow improvements.

Skills

Mechanical Engineering

CNC Machining

Injection Molding

Over Molding

3D Printing

ECO/ECR

ERP/MES

RMA Processes

Documentation

Supplier Management

Communication

Education

Mechanical Engineering degree or equivalent

Tools

ERP systems

MES systems

Job description

Heaviside Industries in Los Angeles, CA is seeking a Production Engineer to design and optimize manufacturing processes for precision munitions. You will develop assembly instructions, introduce new products, and drive design for manufacturability to ensure reliable, scalable production.

This role requires hands-on experience with CNC, molding, 3D printing, and ERP/MES systems, plus proven supplier development, ECO/ECR management, and rigorous documentation practices to support high-quality,