sc-300 jobs in San Diego

Senior Systems Engineer responsible for designing, implementing, securing, and optimizing enterprise Microsoft 365 and Azure environments for government and commercial clients. You will architect and deploy M365 services (Exchange Online, SharePoint, Teams, Intune, Entra ID) and Azure infrastructure (VMs, networking, storage, AVD, monitoring), lead cloud migrations and hybrid identity configurations, and develop security baselines and Zero Trust policies.…See more The role requires advanced PowerShell scripting, Infrastructure-as-Code practices, troubleshooting complex identity and cloud issues, and mentoring junior engineers while collaborating with security teams and stakeholders.

Serve as a primary administrator for core security technologies including Microsoft Defender Suite, Entra ID, Conditional Access, and endpoint protection, while also administering enterprise infrastructure across Microsoft 365, Azure, AWS, VMware, and hybrid platforms. Troubleshoot complex infrastructure and security issues, manage cloud backup and disaster recovery, monitor alerts through LogicMonitor and SIEM/MDR/SOCaaS services, and coordinate with security operations teams on investigations and remediation.…See more Requires 8+ years of hands-on experience in cybersecurity and infrastructure engineering in business-critical environments, with deep expertise in Microsoft identity and security technologies, cloud platforms, vulnerability management, and enterprise backup solutions. Participate in after-hours support and escalation activities as needed.