Systems Administrator

About This Role

Reporting to the Senior Manager, IT Infrastructure, the Systems Administrator is responsible for the administration, security, availability, and continuous improvement of PBAS/MDM Insurance's infrastructure and cloud services. The role serves as the primary internal infrastructure expert, providing technical leadership, oversight of third-party hosting partners, management of the Microsoft 365 environment, and support for the organization's ongoing transition to the Drawbridge platform. This role provides an opportunity to evolve from infrastructure administration into solution and infrastructure architecture as the organization's transformation initiatives mature.

Responsibilities

• Serve as the primary escalation point for infrastructure issues that extend beyond first-level support and operational triage
• Review, validate, and challenge recommendations provided by third-party hosting providers regarding architecture, performance, security, availability, backup, and disaster recovery strategies
• Provide technical guidance and recommendations to MDM and PBAS leadership regarding infrastructure investments, risks, and opportunities
• Maintain current knowledge of infrastructure best practices and emerging technologies
• Install, configure, administer, and support Windows-based virtual server environments
• Implement, monitor, and maintain backup, replication, and recovery processes
• Lead the development, maintenance, and testing of disaster recovery capabilities aligned with defined Recovery Time Objectives (RTO) and Recovery Point Objectives (RPO)
• Coordinate and document semi-annual disaster recovery testing exercises
• Ensure timely operating system and infrastructure patching while minimizing risk to production services
• Monitor system performance, availability, and capacity, proactively identifying potential issues before service impacts occur
• Act as the primary MDM contact for infrastructure-related security incidents and alerts identified by internal or external security operations teams
• Coordinate remediation efforts arising from vulnerability assessments, penetration testing, and security audits
• Work closely with PBAS security resources to implement and maintain security controls across infrastructure and cloud environments
• Support security initiatives related to identity management, endpoint protection, access control, logging, monitoring, and threat detection
• Manage Microsoft Defender for Cloud recommendations and coordinate remediation to improve the Azure secure score
• Administer and maintain the Microsoft 365 tenant, ensuring the availability, security, performance, and governance of all services
• Manage Microsoft 365 licensing, user provisioning, deprovisioning, and access administration processes