Facilities Construction Project Manager

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, ownership, and excellence are decisive advantages - and we're building a world-class team to turn bold ideas into real capability.

This is a rare opportunity to join at an early stage, where you'll have significant ownership, collaborate with exceptional teammates, and make a direct, measurable impact on our mission and the future of the company - regardless of your function.

Facilities Construction Project Manager

Castelion is seeking a hands-on Facilities Construction Project Manager to lead facility improvements, equipment installations, and infrastructure expansion projects across our growing operations. This individual will partner with engineering, manufacturing, facilities, and other cross-functional teams to translate evolving operational needs into executable project plans and deliver projects safely, on schedule, and within budget.

The ideal candidate combines strong project management and technical problem-solving skills with the leadership and communication abilities required to drive complex projects from initial scoping through execution and completion in a fast-paced, rapidly scaling environment.

Responsibilities

• Own capital projects and infrastructure improvements, including liquid nitrogen (LN2) tank and chamber installations, equipment and machinery additions, facility expansions, and other site improvements.

• Partner with cross-functional stakeholders to identify infrastructure needs, define project scope, establish priorities, and develop execution plans.

• Lead projects end to end, including requirements gathering, feasibility assessments, budgeting, scheduling, contractor coordination, installation, commissioning, and closeout.

• Drive alignment across engineering, manufacturing, facilities, EHS, finance, and external vendors to ensure successful project delivery.

• Manage project timelines, budgets, resources, dependencies, and risks while proactively resolving execution challenges.

• Coordinate with contractors, equipment suppliers, and technical teams to ensure work meets applicable safety, quality, and operational requirements.

• Communicate project status, risks, decisions, and resource needs to stakeholders and leadership.

• Develop scalable processes for capital planning, project tracking, and infrastructure execution as Castelion's facilities and operations expand.

Basic Qualifications

• Bachelor's degree in Engineering, Construction Management, Project Management, or a related technical field, or equivalent practical experience.

• Experience managing complex capital projects, industrial infrastructure, facility improvements, or equipment installations.

• Demonstrated ability to lead cross-functional teams and drive projects from planning through execution and completion.

• Experience managing project schedules, budgets, contractors, vendors, and competing priorities.

• Strong communication, stakeholder management, and problem-solving skills.

• Ability to operate effectively in a fast-paced environment where requirements and priorities evolve.

Preferred Skills and Experience

• Experience in aerospace, defense, manufacturing, industrial operations, or other technically complex environments.

• Familiarity with industrial utilities, specialized equipment installations, test infrastructure, and facility expansion projects.

• Experience coordinating construction, mechanical, electrical, and other infrastructure-related work.

• Knowledge of permitting, commissioning, EHS requirements, and contractor safety management.

• Demonstrated success resolving complex project challenges, building stakeholder alignment, and delivering results across multiple departments.

• Experience establishing capital project planning and execution processes within a growing organization.

Castelion offers a generous benefits package. Please refer to the bottom of our Careers page for more details.

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.

Additional Eligibility Requirements

This position may require access to classified information or restricted U.S. Government sites, systems, or information, as determined by the Company and/or applicable U.S. Government requirements. If the position is so designated, your employment in the role may be contingent upon your ability to obtain and maintain the required U.S. Government security clearance or other government authorization, and to satisfy any citizenship or other eligibility requirements imposed by applicable law, regulation, executive order, or government contract requirements. You will be notified if and when such requirements apply.

Affirmative Action/EEO Statement

Castelion is an Equal Opportunity Employer. We are committed to providing equal employment opportunities to all applicants and employees without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, genetic information, protected veteran status, or any other characteristic protected by applicable federal, state, or local law.

Castelion is committed to providing reasonable accommodations to qualified individuals with disabilities throughout the application and hiring process. If you require a reasonable accommodation to complete an application, participate in the interview process, or otherwise participate in the hiring process, please contact hr@castelion.com. Requests for accommodation will be considered on an individual basis and handled in accordance with applicable law.

Castelion is committed to fostering a workplace where employment decisions are based on qualifications, business needs, and the ability to perform the essential functions of the role, with or without reasonable accommodation.

EAR/ITAR Requirements

This position requires access to export-controlled information, and as such, employment (or hiring of a contractor) is contingent upon the candidate’s ability to access all applicable export-controlled information without additional export licensing being required by the Bureau of Industry and Security and/or the Directorate of Defense Trade Controls.