Senior System Administrator; Hybrid WFH​/MSP

We are a Houston-based Managed Service Provider is hiring a Senior System Administrator to join our growing technical team. This full-time role blends advanced support responsibilities with hands-on project work across Microsoft 365, server infrastructure, networking, and firewall management. The ideal candidate will have prior experience in a Tier 2 or Tier 3 role within a Managed Service Provider environment.

This opportunity offers a hybrid work schedule, typically three days onsite and two remote. The company provides a comprehensive benefits package including 100 percent employer-paid medical, dental, and vision coverage, quarterly bonuses, a 401k with three percent match, certification bonuses and reimbursement, mileage reimbursement, generous paid time off, paid holidays, and more.

• Resolve escalated tickets across a wide range of technologies (Levels 2/3)
• Deliver project-based work involving:
  • Microsoft 365 and Active Directory
  • Sonic Wall firewalls and Ubiquiti network gear (switches and WAPs)
  • Hyper-V deployments and Intune administration
  • Perform network and server deployments for SMB clients
  • Collaborate with internal teams to ensure exceptional service delivery

• 2+ years in an MSP or IT service provider environment
• Strong technical foundation in:
  • Microsoft 365, Active Directory
  • Windows Server and workstation support
  • Sonic Wall and Ubiquiti configuration
  • Networking fundamentals (switches, firewalls, connectivity)
• Excellent communication and client-facing support skills
• 100% employer-paid medical, vision, and dental coverage
• 401k with 3% match
• Quarterly bonuses + certification bonuses and reimbursement
• Generous PTO, paid holidays, and mileage reimbursement