
Manager, IT Service Desk
Required skills
- IT Service Desk
- Manager
- end-user IT issues
- troubleshoot
- resolve service desk tickets
- laptops
- peripherals
- Windows
- Linux
- incident response
Nice to have
- cybersecurity compliance
- CUI
- ITAR
- NIST 800-171
- security clearance
- classified information
Role summary
We are seeking an experienced IT Service Desk Manager to lead our frontline IT support team in Torrance, CA. This role requires strong technical skills, a people-first approach, and the ability to thrive in fast-paced environments, particularly supporting engineering, aerospace, or DoD contractor firms. You will coordinate end-user IT issue resolution, manage a growing multi-state staff, ensure thorough documentation, and drive process improvements. Responsibilities include incident response, mentoring IT technicians, and fostering a culture of empathy and calm under pressure. Experience with device management, IT support supervision, and defining SLAs is essential.
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.
Manager, IT Service Desk
We’re looking to hire an experienced IT Service Desk Manager who thrives in fast-paced, high-pressure environments and brings strong technical acumen paired with a people-first attitude. This role is ideal for individuals with experience supporting, engineering or aerospace firms, DoD contractors, or high-growth startups. If you're the kind of person who stays cool when things go down and can turn a stressful IT moment into a positive interaction, we want to meet you.
As primary day-to-day support manager based out of our Torrance, CA office, you’ll be the face of IT frontline support for our local and remote teams. Leading a growing multi-state staff, you’ll coordinate troubleshooting and documenting incoming issues, respond to employee requests with urgency and empathy, and help drive improvements in our support processes.
You’ll have every opportunity to flash your talent – we need top tier self-starters who love the energy and vibe of a focused, rapid-paced company that’s working hard to impact their world.
Responsibilities
Basic Qualifications
Preferred Skills and Experience
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.
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