Senior Systems Engineer

RIVO Holdings•San Diego, CA
•Onsite

About The Position

RIVO is seeking a proactive, technically strong Senior Systems Engineer to join its IT team. This fully on-site role administers and secures Microsoft-based infrastructure and Fortinet network environments, including Hyper-V servers, Azure infrastructure, multi-tenant Microsoft 365 and Azure environments, and enterprise network security. The role also builds automation to support reliable, well-managed, and secure technology. Hybrid and remote work are not available, and the company cannot sponsor or take over sponsorship of an employment visa at this time. The engineer administers Windows Server, Active Directory, Microsoft 365, Entra ID, Hyper-V, Azure, Fortinet networking, endpoint protection, and device management. The role includes security monitoring and remediation, backup and disaster recovery practices, PowerShell and Microsoft Graph API automation, Power Automate workflows, application integrations, escalated technical support, system documentation, user lifecycle administration, vendor coordination, and collaboration with IT and Security teams.

Requirements

  • At least 5 years of experience as a systems administrator in a Windows/Microsoft environment.
  • Hands-on experience with Windows Server, Microsoft Intune, Entra, Microsoft Azure subscriptions, and Hyper-V virtualization.
  • Strong working knowledge of Microsoft 365 and Entra ID administration, including multi-tenant environments.
  • Hands-on experience administering Fortinet or similar enterprise firewall, switching, and wireless infrastructure.
  • Solid scripting and automation skills, including PowerShell and Microsoft Graph API.
  • Experience with networking fundamentals, including 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 such as MS-102, AZ-104, or similar.
  • Fortinet NSE certification.

Responsibilities

  • Administer and maintain Windows Server environments, Active Directory, DNS, DHCP, and Group Policy.
  • Support Exchange Online, SharePoint, Teams, and OneDrive across a multi-tenant Microsoft 365 environment.
  • Manage identity and access through Entra ID, 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 proactively troubleshoot issues.
  • Administer and harden Fortinet firewall, switch, and wireless infrastructure, including VPN configuration.
  • Monitor security logs, investigate incidents, and coordinate vendor escalations as needed.
  • Apply security patches and updates, and manage Microsoft Defender endpoint protection 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 for business process automation.
  • Support SAML/SSO integrations between Entra ID and third-party applications.
  • Deploy applications and policies using 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 and deprovisioning and hardware lifecycle.
  • Partner with IT and Security teams on projects and infrastructure upgrades.
  • Assist with vendor management, escalations, and software license management.

Benefits

  • Up to $5,000 annually in childcare reimbursement.
  • Access to fertility treatment coverage.
  • Free weekly group workouts.
  • Regular happy hours and company-wide events.
  • Access to season-long raffle drawings for Padres tickets.
  • Free coffee, energy drinks, and snacks.
  • Company-paid parking or MTS pass.
  • Opportunity to earn a perfect attendance incentive.
  • Company-paid holidays and PTO each year.
  • Medical, dental, and vision plans with a 70/30 cost share.
  • 401(k) plan with employer matching.
  • Compensation and benefits package with rewards based on performance.
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