Automation & Controls Engineer Torrance, CA Manufacturing – Propulsion

Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus, ownership, and excellence are decisive advantages - and we're building a world-class team to turn bold ideas into real capability.

This is a rare opportunity to join at an early stage, where you'll have significant ownership, collaborate with exceptional teammates, and make a direct, measurable impact on our mission and the future of the company - regardless of your function.

• Design, develop, and deliver a production ready casting system for solid rocket motor propellant casting.
• Establish company best practices for Automation & Controls equipment including but not limited to PLC vendor selection, equipment integration requirements, etc.
• Own vendor management of custom designed automation equipment such as adhesive/paint spraying machines, propel lent mixing, and propellant component feeding systems.
• Assist with the maintenance of existing automation/control systems existing at the company.

• Design and program full control systems (PLC, HMI, SCADA) for SRM manufacturing equipment including vertical mixers, casting stations, robotic winding cells, cure ovens, and automated handling systems.
• Develop motion control, servo, and robotics architectures for precision propellant loading, composite case fabrication, and component assembly.
• Implement safety instrumented systems (SIS), functional safety, and hazardous area controls compliant with requirements for energetic materials.
• Integrate machine vision, sensors, data acquisition, and real-time monitoring for process parameters (viscosity, temperature, pressure, void detection) and statistical process control (SPC).
• Lead equipment commissioning, factory acceptance testing (FAT), site acceptance testing (SAT), debugging, and production qualification.
• Build data historian, MES interfaces, and analytics platforms for traceability, yield optimization, and predictive maintenance.
• Collaborate with teams to translate manufacturing requirements into robust, maintainable automation solutions.
• Perform failure mode analysis, root-cause troubleshooting, and continuous improvement to achieve aggressive cycle-time and quality targets.
• Support technology insertion of Industry 4.0 tools (digital twins, AI-driven monitoring) for future SRM production lines.

Castelion offers a generous benefits package. Please refer to the bottom of our Careers page for more details.

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.

This position may require access to classified information or restricted U.S. Government sites, systems, or information, as determined by the Company and/or applicable U.S. Government requirements. If the position is so designated, your employment in the role may be contingent upon your ability to obtain and maintain the required U.S. Government security clearance or other government authorization, and to satisfy any citizenship or other eligibility requirements imposed by applicable law, regulation, executive order, or government contract requirements.

You will be notified if and when such requirements apply.

Castelion is an Equal Opportunity Employer. We are committed to providing equal employment opportunities to all applicants and employees without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability,…