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 at scale. We're designing, building, and testing next generation long range strike weapons systems to give America and its Allies a definitive edge and deter future conflicts.

Facilities Technician - Maintenance & Operations

We are seeking a skilled Facilities Technician to support the upkeep, maintenance, and safe operation of our facilities. This hands-on role involves performing a wide range of tasks, including routine maintenance, repairs, and general facility upkeep across systems such as plumbing, electrical, HVAC, and carpentry. The ideal candidate will demonstrate a proactive approach to problem-solving, and the ability to work independently within a fast-paced, mission-driven environment.

Responsibilities

• Perform preventive and corrective maintenance tasks across plumbing, electrical, HVAC, and carpentry systems.
• Inspect and maintain interior and exterior areas including walls, floors, roofing, lighting, and fixtures.
• Support site operations, including furniture moves, event setup/teardown, and waste management.
• Safely operate forklifts, scissor lifts, and boom lifts when necessary.
• Open, track, and resolve electronic work tickets through the internal work order system.

Basic Qualifications

• High school diploma or equivalent.
• Minimum of 2 years of experience in facilities maintenance or a similar role.
• Must be able to pass background checks as required by job site regulations
• Ability to lift up to 50 lbs. unassisted.
• Physical ability to stand for extended periods and perform tasks involving bending, climbing ladders, grasping, pulling, pushing, stooping, and stretching.
• Comfortable working at elevated heights using ladders or aerial lifts
• Must meet U.S. export control requirements, including U.S. citizenship, lawful permanent residency, or other eligible status as defined by U.S. regulations.

Nice-to-Have

• Trade school certificate, HVAC or electrical license.
• OSHA safety training or forklift certification.
• Experience with CMMS or work order tracking systems.

All employees are granted long-term stock incentives as part of their employment at Castelion. All employees receive access to comprehensive medical, vision, and dental insurance, and the company offers four weeks of paid time off per year.

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 work in a fast paced, autonomously driven, and demanding atmosphere. Strong sense of accountability and integrity.

Clear Communicator. Proactively communicates blockers. Trusted in previous roles to be voice of company with regulators, suppliers, gate keepers and customers. Capable of tactfully managing relationships with stakeholders to achieve company-desired outcomes without compromising relationships. Emails, IMs and verbal interactions are logical, drive clarity, and detailed enough to eliminate ambiguity.

ITAR Requirements:

• To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.

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.