System Administrator - Cloud and SaaS

System Administrator
- Cloud and SaaS Location:
Hybrid
- San Diego, CA

Mutual of Omaha is a Fortune 300 Company. Mutual of Omaha Mortgage is inspired by hometown values and a commitment to being responsible and caring for each other. We exist for the benefit of our customers and employees.

Mutual of Omaha Mortgage is a full service lending company offering both Forward and Reverse Mortgage products including a complete line of residential mortgage, refinancing, specialty, and HECM loans. We employ a knowledgeable staff of experienced Loan Officers with an operations team that is second to none. If you are interested in joining a team that promotes from within and works together toward a common goal of helping customers with their mortgage needs, please review and apply for our opening below!

The System Administrator is responsible for the administration, security, and lifecycle management of the organization’s Microsoft 365 environment, Azure infrastructure, SaaS application portfolio, and endpoint management platform. This role serves as the primary technical owner of enterprise application integrations, single sign‑on (SSO) configurations, and SaaS governance — operating in a cloud‑only environment. The ideal candidate is detail-oriented, security‑conscious, and collaborates with the broader Information Systems team to keep the environment reliable and compliant.

• Administer the Microsoft 365 tenant including Exchange Online, SharePoint Online, Teams, One Drive, and associated services.
• Manage Microsoft Entra  (Azure AD): user and group lifecycle, directory roles, and identity governance.
• Configure Conditional Access policies, MFA enforcement, and Zero Trust controls in alignment with organizational security standards.
• Administer Microsoft Intune for device enrollment, compliance policy management, configuration profiles, and application deployment across Windows and Mac endpoints.
• Manage Microsoft Defender suite components (MDE, MDO, MDI, MDCA) including policy configuration, and integration with the broader security stack.
• Support Azure resource administration including resource groups, storage accounts, Azure Virtual Desktop, Log Analytics work spaces, and Key Vault.
• Maintain licensing assignments and optimize license utilization across M365 and Azure SKUs.

• Own the onboarding and off‑boarding lifecycle for SaaS applications, including SSO configuration (SAML/OIDC) via Entra  enterprise app registration.
• Maintain the organization’s enterprise application catalog; ensure SSO coverage, MFA enforcement, and appropriate access scoping across the SaaS portfolio.
• Manage provisioning and deprovisioning integrations (SCIM or manual) to ensure timely, accurate access changes aligned with the joiner/mover/leaver (JML) process.
• Evaluate and onboard new SaaS applications in coordination with the IS team and business stakeholders, including security posture review and integration planning.
• Manage and monitor SaaS license utilization; work with vendors and accounting to right‑size contracts.
• Maintain documentation for all SSO configurations, app registrations, and provisioning workflows.

• Support Dev Ops teams with Azure resource provisioning, service principal management, and application registration configurations.
• Assist with pipeline infrastructure needs including access to Azure services, secret/certificate management in Key Vault, and environment‑level permissions.
• Develop and maintain Power Shell scripts and automation workflows to reduce manual administration overhead across M365, Entra , and Intune.
• Participate in change management processes for infrastructure changes that intersect with cloud identity and SaaS integrations.

• Maintain working knowledge of core networking concepts: TCP/IP, DNS, DHCP, VPN, and firewall fundamentals as they apply to cloud‑connected environments.
• Support network‑related troubleshooting for cloud services, SaaS connectivity, and remote access scenarios.
• Coordinate with network vendors on connectivity issues that affect cloud or SaaS…