Site Operations Manager

Qualifications Bachelor's degree in Mechanical Engineering, Chemical Engineering, Aerospace Engineering, Manufacturing Engineering, Industrial Engineering, or related technical field. 10+ years of progressive experience in manufacturing, operations, or test leadership within aerospace, defense, propulsion, or energetic materials environments. 5+ years in a supervisory or management role leading teams responsible for production, R&D manufacturing, or testing operations. Demonstrated experience owning or significantly contributing to solid rocket motor, propellant, or analogous high-hazard manufacturing and testing operations. Working knowledge of solid rocket motor manufacturing processes (propellant mixing/casting, composite case integration, assembly) and development testing (static fire, instrumentation, data acquisition). Familiarity with facility and equipment management for energetic materials operations, including safety systems and hazardous process controls. Ability to interpret engineering drawings, process specifications, test plans, and quality

requirements. Working knowledge of ERP/MES systems, configuration management, and production control practices. Preferred Skills and Experience Direct leadership experience in solid rocket motor or missile propulsion R&D manufacturing and testing environments. Background in fast-paced aerospace or defense organizations (startups or primes) with aggressive development timelines. Experience standing up or scaling new manufacturing/test capabilities or facilities. Prior responsibility for energetic materials safety programs, ATF compliance, or range safety interfaces. Familiarity with ITAR-controlled programs and classified operations. Experience supporting transition of processes from development site to higher-rate production facilities. Other Duties 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.

Benefits And

Perks All full-time employees are granted meaningful long-term equity, sharing in the company's significant growth trajectory. We offer four (4) weeks of paid time off, ten (10) company-paid holidays, and comprehensive health

benefits - including 100% employee-covered medical and strong dependent coverage, along with dental and vision plans. We also provide paid parental leave to support growing families, a $100 monthly fitness stipend to promote health and performance, and onsite EV charging for convenience. In addition, employees enjoy

perks like catered meals, company-covered food during high-demand periods, and a fully stocked kitchen to stay fueled throughout the day. While this position does not currently require a U.S government-issued security clearance, it may in the near future. Therefore, the ability to obtain and maintain a U.S. government–issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Affirmative Action/EEO Statement Employment with Castelion is governed on the basis of competence and

qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

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