Facilities Technician

Why Castelion, Why Now

Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive advantages - and we are building a team that can deliver real capability, not just concepts.

This is a rare opportunity to join at an early stage, where your work will directly shape critical systems, influence major technical decisions, and have immediate, real-world impact.

Facilities Technician

We are seeking a skilled Facilities Technician to support the maintenance and operational integrity 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, a strong commitment to safety, and the ability to work independently within a fast-paced, mission-driven environment.

Responsibilities

• Perform routine maintenance tasks and non-technical repairs related to plumbing, electrical, HVAC, and carpentry.
• Conduct general upkeep of the facility including painting, patching walls, replacing ceiling/floor tiles, and carpeting.
• Inspect and maintain interior and exterior areas of the site such as walls, floors, fixtures, roofing, and lighting.
• Support janitorial and hospitality teams with tasks such as furniture moves, event setup/teardown, and waste removal.
• Assist in managing site-wide operations and maintenance programs as assigned.
• 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 35 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 (up to 300 feet) and using ladders or aerial lifts.

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.