Facilities Electrician

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 Electrician

Key responsibilities

• Install, maintain, troubleshoot, and repair electrical systems and components across the facility — including 120/208/480V distribution, motor controls, panels, disconnects, and lighting, as well as installing step-down transformers (480V to 120V) and wiring power to equipment.
• Bend conduit, pull wire, and land new circuits in accordance with facility standards and best practices.
• Assist with new equipment installs, including power drops, panel modifications, and coordinating with vendors/contractors
• Capable of installing and testing ground rods.
• Capable of upgrading lighting ballasts from fluorescent to LED.
• Execute preventive and corrective maintenance on electrical systems to maximize uptime.
• Perform LOTO on all electrical and mechanical isolation work
• Follow Arc Flash safety protocols, including PPE selection and boundary awareness
• Ensure full compliance with OSHA, NFPA, NEC, and local building codes.
• Support facility expansion, capital improvement, and infrastructure upgrade projects.
• Respond to critical system issues including power failures, equipment malfunctions, and environmental control disruptions.
• Assist in managing site-wide operations and support tasks as assigned
• Work on an on‑call basis and handle responsibilities assigned by management.

Basic Qualifications:

• High School Diploma or equivalent, with 5 years of experience in electrical systems
• Must own Basic tools.
• Active California Driver’s License.

Preferred Qualifications:

• Licensed Journeyman Electrician with at least 5 years of experience (6+ preferred) or 10 years of equivalent experience
• Hands-on experience in an industrial or manufacturing setting — aerospace/defense preferred, general industrial acceptable
• Proven expertise in electrical power distribution, transformer installation, and industrial wiring
• Comfortable with 120–480V systems, motor controls, VFDs, and basic panel/control troubleshooting
• Can read electrical schematics, panel drawings, and equipment manuals
• Demonstrated ability to plan, execute, and complete electrical projects independently.
• Strong analytical and troubleshooting skills with a focus on root cause resolution.
• Working knowledge of LOTO and Arc Flash practices
• Capable of installing explosion proof outlets, lighting, and equipment.

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 View email address on click.appcast.io. 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.