Manufacturing Specialist; Solid Rocket Motor Production

Position: Manufacturing Specialist (Solid Rocket Motor Production)
About the job Manufacturing Specialist (Solid Rocket Motor Production)

About Castelion

Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies for production e designing, building, and testing next generation long range strike weapons systems to give America and its Allies a definitive edge and deter future conflicts.

Manufacturing Specialist (Solid Rocket Motor Production)

Castelion is looking for a Manufacturing Specialist to support the development of the solid rocket motor systems required for the design and build of long-range hypersonic strike vehicles. This will be a full-time, exempt position located in our Midland, TX facility. As a Manufacturing Specialist, you will work closely with our engineering teams to execute highly technical solid rocket motor builds for our research vehicles, assist in advancing designs, and play a critical role in defining and maturing manufacturing, assembly and integration processes.

Key Outcomes for 2026

• Scaled R&D Product Refinement - Develop and refine site capabilities allowing engineering staff to develop products and processes while balancing flexibility, throughput, and quality.
• Agile & Responsive Site Support - Engage with engineering staff supporting R&D test operations, rapidly responding to changing requirements and technical challenges.
• Exemplary Site Safety Culture - Maintaining operational throughput at rapid pace with safety engagement at the forefront

Responsibilities

• Work with highly volatile energetic precursor chemicals used in solid rocket motor manufacturing
• Carefully batch and mix precursor chemicals
• Create and record testing and quality control measurements to ensure production quality
• Collaborate closely with engineering to transform concepts into reality
• Monitor one's own work progress against established standards and deliver all work on schedule
• Examine, interpret, and use drawings and regulated documentation and procedures
• Understand and execute complex engineering diagrams and assembly instructions
• Verify flight hardware and thoroughly document outcomes
• Aid in developing manufacturing processes for initial production runs
• Contribute to projects aimed at increasing operational efficiency in the area

Basic Qualifications

• 3+ years of aerospace manufacturing experience
• Experience building complex highly energetic aerospace components
• Reading drawings and blueprints
• Proficient with manufacturing metrology and quality assurance tools and processes
• Demonstrated direct or indirect leadership Ability to work in a remote environment with limited support

Preferred Skills and Experience

• Experience in a research and development environment
• Previous involvement in a high-speed production environment, handling flight hardware
• Prior involvement in a high-output environment, involving hands-on experience in constructing solid rocket motors
• Ability to acclimate to frequently changing assignments and a fast-paced working environment
• Excellent communication skills, both written and oral, along with effective teamwork abilities
• Superb focus and attention to detail, with remarkable work efficiency and accuracy
• Use of hand tools and power tools
• Expertise in manufacturing and repairing intricate testing systems
• Familiarity with Atlassian tools such as SVN, Confluence, and JIRA
• Skills in project management

Additional Requirements

• Must be willing to work extended hours and/or weekends as needed
• Must be able to travel up to 30%

Leadership Qualities

• Bias to Action and Creative Problem Solving. Desire and experience questioning assumptions in ways that lead to break through ideas that are ultimately implemented. Successfully bring in applicable processes/concepts/materials from other industries to achieve efficiency gains. Ability to personally resolve minor issues in development without requiring significant support.
• High Commitment, High Initiative. A successful candidate will have a genuine passion for Castelion's mission and consistently look for ways to contribute to the company's technical goals and prevent hardware blockers. Ability to…