Senior Systems Administrator (Client Facing MSP)

We are a well-established Managed Services Provider is seeking a Senior Systems Administrator with strong MSP experience and the ability to work hands-on inside client environments. This role is primarily onsite with clients throughout Anaheim and Buena Park, making it ideal for someone who enjoys building relationships, solving recurring issues, and driving real technical improvements. You will serve as the dedicated onsite technical expert, ensuring environments remain stable, secure, and aligned with modern Microsoft standards.

What You Will Do

• Deliver hands-on support inside client environments, resolving issues and preventing recurrence
• Deploy and configure hardware, software, and Microsoft ecosystem technologies including Microsoft 365, Azure Entra ID, and Windows Server
• Implement changes, perform monthly environment hardening, and lead onsite technical projects
• Conduct local audits and maintain documentation to ensure client environments meet MSP standards
• Identify recurring problems and collaborate with internal teams to deliver long-term fixes
• Act as the trusted technical resource for your assigned clients, building strong relationships and clear communication

What You Bring

Benefits