Microsoft 365 Systems Administrator — Hybrid/Security

Valid8 Financial, Inc.; El Segundo (CA); On-site; USD 80,000 - 100,000; Full time

Benefits offered by this job

401(k) matching

Medical/dental/vision benefits

Professional development reimbursement

Equity opportunity

Job summary

Cambium is seeking an experienced System Administrator to manage and secure our Microsoft 365 environment and broader IT infrastructure in a fast-paced, security-conscious setting. The role emphasizes proactive problem prevention, ownership, and customer-service mindset.

You will be the go-to for day-to-day system health, user support escalations, and infrastructure projects, with responsibilities spanning Exchange Online, SharePoint, Teams, Entra ID, and hybrid environments.

Qualifications

• 5+ years of experience in system administration.
• Hands-on Microsoft 365 administration experience (Exchange Online, SharePoint, Teams, Entra ID/Azure AD).
• Strong Windows Server, Azure, networking, IAM including MFA, CA, SSO.

Responsibilities

• Administer and maintain the Microsoft 365 environment, including Exchange Online, SharePoint Online, Teams, OneDrive, and Entra ID (Azure AD).
• Administer on-premises and/or hybrid infrastructure (servers, networking, Active Directory).
• Manage user accounts, licensing, groups, and permissions across Microsoft 365 and connected systems.
• Respond to and resolve incidents; provide direct helpdesk support for company users.
• Manage physical and virtual device, network, and compute infrastructure; ensure compliant and performant.
• Document issues, system changes, actions and resolution.
• Stay current on Microsoft 365 roadmap changes, security updates, and industry best practices; Evaluate, recommend, and implement new tools and practices.

Skills

Microsoft 365 administration

PowerShell scripting

Windows Server management

Azure AD management

Troubleshooting

Communication skills

Ownership mindset

Tools

Intune

Defender

Purview

Job description

Cambium is seeking an experienced System Administrator to manage and secure our Microsoft 365 environment and broader IT infrastructure in a fast-paced, security-conscious setting. The role emphasizes proactive problem prevention, ownership, and customer-service mindset.

You will be the go-to for day-to-day system health, user support escalations, and infrastructure projects, with responsibilities spanning Exchange Online, SharePoint, Teams, Entra ID, and hybrid environments.