IT Service Desk Manager - Lead a High-Impact Support Team

Castelion Corporation; Torrance (CA); On-site; USD 95,000 - 130,000; Full time

Benefits offered by this job

Generous benefits package

Job summary

Castelion Corporation in Torrance, CA seeks an experienced IT Service Desk Manager to lead frontline IT support for local and remote teams. You will coordinate troubleshooting, drive process improvements, and mentor a growing team of IT technicians across multiple sites and time zones.

The role emphasizes a people-first approach, strong technical acumen, and the ability to stay calm under pressure in a fast-paced defense-focused environment.

Qualifications

• 3–5+ years in an IT support supervisor, lead, or managerial role.
• Experience supporting engineering companies, DoD contractors, or startup-like environments.
• Excellent teaching and training skills.
• Experience defining practical SLA metrics and reporting.
• Familiarity with device management (Microsoft Intune), asset inventory tracking, basic networking, and onboarding/offboarding workflows.
• Demonstrated ability to manage Windows and Linux environments, VPNs, and enterprise software suites (Office 365).
• Collaborate with IT and engineering teams to improve efficiency.

Responsibilities

• Serve as the primary support coordinator for end-user IT issues (hardware, software, network, access).
• Lead the team to respond, troubleshoot, and resolve tickets in a timely, professional manner.
• Document all cases clearly and contribute to the knowledge base.
• Manage laptops, peripherals, and software in a 75% Windows / 25% Linux environment.
• Travel (5–10%) to other sites for onsite IT coordination or deployments.
• Identify and implement process improvements to enhance end-user experience and efficiency.
• Foster a culture of empathy and calm under pressure.

Skills

IT leadership

Windows/Linux support

SLA management

Troubleshooting

Mentoring/coaching

Documentation

Tools

Microsoft Intune

Office 365

VPN

Job description

Castelion Corporation in Torrance, CA seeks an experienced IT Service Desk Manager to lead frontline IT support for local and remote teams. You will coordinate troubleshooting, drive process improvements, and mentor a growing team of IT technicians across multiple sites and time zones.

The role emphasizes a people-first approach, strong technical acumen, and the ability to stay calm under pressure in a fast-paced defense-focused environment.