IT & Security Administrator — Secure, Scalable IT with Equity

Linuxconfig; San Francisco (CA); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Health benefits

Job summary

Lumafield is seeking an experienced IT & Security Administrator to support day-to-day IT operations and strengthen security programs from our San Francisco area offices. You’ll maintain endpoint and identity infrastructure, partner with Engineering and Security, and scale IT as the company grows.

This hands-on role balances immediate IT support with longer-term improvements, automation, and scalable systems that empower teams and protect data.

Qualifications

• 3+ years in IT systems administration or IT support.
• Experience with macOS, Windows, and Linux environments.
• Experience administering enterprise SaaS platforms and endpoint management.
• Working knowledge of IAM, including SSO, MFA, and user lifecycle management.

Responsibilities

• Provide day-to-day IT support for Lumafield employees across all offices.
• Manage lifecycle of company devices: procurement, provisioning, enrollment, deployment, retirement.
• Administer core IT systems like Google Workspace, Rippling, MDM platforms, and other SaaS apps.
• Manage user identities, access requests, permissions, and lifecycle processes.
• Maintain endpoint security, patching, and security tooling (e.g., SentinelOne, Vanta).
• Support compliance initiatives (SOC 2, ISO 27001, ITAR) with technical controls and audit evidence.
• Oversee enterprise server rack lifecycle: network management, switch config, deployment.
• Configure and troubleshoot AV/conference room tech (Neat devices).
• Identify opportunities to automate and improve IT systems and employee experience.

Skills

IT systems administration

macOS administration

Windows administration

Linux administration

enterprise SaaS administration

IAM / SSO / MFA

Networking hardware

Endpoint security

Education

Tools

Google Workspace

Rippling

MDM platforms

SentinelOne

Vanta

Kandji

Job description

Lumafield is seeking an experienced IT & Security Administrator to support day-to-day IT operations and strengthen security programs from our San Francisco area offices. You’ll maintain endpoint and identity infrastructure, partner with Engineering and Security, and scale IT as the company grows.

This hands-on role balances immediate IT support with longer-term improvements, automation, and scalable systems that empower teams and protect data.