Senior IT & Security Engineer - Hybrid & Cloud Security

Ultimate Staffing Services; San Francisco (CA); Hybrid; USD 120,000 - 140,000; Full time

Job summary

Ultimate Staffing Services in San Francisco, CA seeks an IT & Security Engineer to own IT hardware/software lifecycle, security operations, and cloud/network security. Hybrid role with focus on Windows, Linux, macOS, and cross-functional collaboration.

5+ years in IT/system administration or security engineering required; experience with ISO 27001, NIST CSF 2.0, Okta, Google Workspace, GCP, Cloudflare, and SIEM is preferred. Regional collaborations across teams expected.

Qualifications

• 5+ years in IT system administration and/or security engineering across Windows, Linux, and macOS.
• Hands-on experience with ISO 27001 and NIST CSF 2.0 frameworks.
• Hands-on experience with Okta, Google Workspace, and Jira/Atlassian.

Responsibilities

• Own full lifecycle of IT hardware and software across Linux, Windows, and macOS.
• Drive security posture with vulnerability management, SIEM, and security training.
• Manage SaaS procurement, licenses, renewals, and access controls.

Skills

IT system administration

Security engineering

Windows

Linux

macOS

Cloud security

Security incident response

Education

Bachelor-level or equivalent in IT or related field

Tools

Okta

Google Workspace

Jira/Atlassian

GCP

Cloudflare

Wazuh

HashiCorp Vault

SIEM (Splunk)

Kubernetes security

Jamf

Job description

Ultimate Staffing Services in San Francisco, CA seeks an IT & Security Engineer to own IT hardware/software lifecycle, security operations, and cloud/network security. Hybrid role with focus on Windows, Linux, macOS, and cross-functional collaboration.

5+ years in IT/system administration or security engineering required; experience with ISO 27001, NIST CSF 2.0, Okta, Google Workspace, GCP, Cloudflare, and SIEM is preferred. Regional collaborations across teams expected.