Facilities Manager

About CastelionCastelion 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 ManagerWe are seeking a highly proactive, hands-on Facilities Manager to own the day-to-day operations, maintenance, and continuous improvement of Castelion's facilities. This role is critical to enabling safe, reliable, and scalable operations across engineering, manufacturing, and office environments. You will serve as the primary owner of facilities performance - balancing immediate operational needs with longer-term planning as the company rapidly grows.The ideal candidate thrives in fast-paced environments, takes pride in operational excellence, and brings a strong sense of ownership, urgency, and attention to detail.ResponsibilitiesOwn all facilities operations across assigned sites, serving as the primary point of contact for facilities-related needs, issues, and improvementsManage and prioritize work orders, ensuring timely resolution of maintenance, repair, and operational issuesOversee building systems including HVAC, electrical, plumbing, lighting, janitorial, security, fire protection, and office/industrial equipmentSource, manage, and hold accountable external vendors and service providers for quality, cost, and scheduleDevelop and maintain preventative maintenance plans, service schedules, and facility documentationEnsure facilities comply with applicable safety, health, environmental, and building regulationsPartner with EHS, operations, and leadership to support safety inspections, audits, and corrective actionsLead space planning efforts, office and lab moves, furniture layouts, and site expansionsManage facilities-related purchasing, inventory, and budget trackingSupport emergency preparedness planning and incident response (fire drills, power outages, equipment failures)Drive continuous improvement in facilities processes, responsiveness, and reliability as the company scalesSupport special projects related to new site buildouts, expansions, or production rampBasic QualificationsHigh school diploma or GED required; associate's or bachelor's degree preferred5+ years of experience in facilities management, building operations, or related rolesStrong working knowledge of building systems (HVAC, electrical, plumbing, life safety)Experience managing vendors, contracts, and service providersProven ability to operate independently with high ownership and accountabilityStrong communication, organizational, and problem-solving skillsAbility to support off-hours or weekend work during critical operations or emergenciesComfortable operating in fast-moving environments with shifting prioritiesBias to action, attention to detail, and commitment to building high-quality, reliable workspacesProficiency with Microsoft Office; experience with CMMS or facilities management software preferredPreferred Skills and ExperienceExperience supporting engineering, manufacturing, or industrial facilitiesFamiliarity with safety, environmental, and regulatory compliance in technical or production environmentsExperience scaling facilities for a rapidly growing company or startupBudget ownership or cost-tracking responsibilityHands-on background with light maintenance, troubleshooting, or facilities projectsAll 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 QualitiesBias 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.

Created: 2026-05-09