Senior Systems Engineer

RIVO Holdings•San Diego, CA

13d•$110,000 - $140,000•Onsite

About The Position

RIVO is looking for a proactive, technically strong Senior Systems Engineer to join our IT team. In this role, you’ll administer and secure our Microsoft-based infrastructure and Fortinet network environment, spanning Hyper-V servers, Azure cloud infrastructure, a multi-tenant Microsoft 365 and Azure cloud environment, and enterprise network security, while building automation that keeps our team running on reliable, well-managed, and secure technology. If you're looking for an opportunity to leverage your Microsoft cloud expertise, expand your infrastructure and security skills, and contribute to a growing organization that values innovation and continuous improvement, we'd love to hear from you!

Requirements

5+ years of experience as a systems administrator in a Windows/Microsoft environment.
Hands-on experience with Windows Server, Microsoft Intune, Entra, Microsoft Azure Subcriptions, and Hyper-V virtualization.
Strong working knowledge of Microsoft 365 and Entra ID (Azure AD) administration, including multi-tenant environments.
Hands-on experience administering Fortinet or similar enterprise firewall, switching, and wireless infrastructure.
Solid scripting/automation skills, including PowerShell and Microsoft Graph API.
Experience with networking fundamentals: switching, routing, VPNs, and firewalls.
Experience with backup and disaster recovery tools, including Microsoft 365 backup solutions.
Experience investigating and documenting security incidents.
Strong problem-solving and critical thinking abilities.
Excellent interpersonal, verbal, and written communication skills.
Excellent attention to detail, time management, and organizational skills.

Nice To Haves

Microsoft certification (MS-102, AZ-104, or similar) and/or Fortinet NSE certification a plus.

Responsibilities

Administer and maintain Windows Server environments, Active Directory, DNS, DHCP, and Group Policy.
Support Microsoft 365 services including Exchange Online, SharePoint, Teams, and OneDrive across a multi-tenant environment.
Manage identity and access through Entra ID (Azure AD), including MFA, conditional access, and cross-tenant collaboration architecture.
Administer Hyper-V virtualization and Azure infrastructure, including virtual networks and site-to-site VPN connectivity.
Monitor server, network, and storage performance and backups, and troubleshoot issues proactively.
Administer and harden Fortinet firewall, switch, and wireless infrastructure (FortiGate, FortiSwitch, FortiAP), including VPN configuration.
Monitor security logs, investigate incidents, and coordinate vendor escalations as needed.
Apply security patches, updates, and endpoint protection (Microsoft Defender) across servers and workstations.
Support device management and compliance policies through Microsoft Intune, including mobile device management for BYOD.
Track and drive remediation of Microsoft Secure Score findings.
Follow best practices for data protection, access control, and disaster recovery, including Microsoft 365 backup solutions.
Develop PowerShell and Microsoft Graph API scripts to automate administrative and monitoring tasks.
Build and maintain Power Automate workflows to support business process automation.
Support SAML/SSO integrations between Entra ID and third-party applications.
Application and policy deployment using both Microsoft Intune and Microsoft Defender
Provide Tier 2/3 support for escalated help desk tickets.
Document systems, processes, and procedures for the IT team.
Manage user account provisioning/deprovisioning and hardware lifecycle.
Partner with IT and Security teams on projects and infrastructure upgrades.
Assist with vendor management, escalations, and software license management.