Senior InfoSec Engineer — Cross-Domain Defender

Glidewell Dental; Irvine (CA); On-site; USD 145,000 - 173,000; Full time

Job summary

Glidewell Dental seeks an experienced information security professional to design, implement, and maintain advanced security platforms across multiple domains. You will refine detection logic, analyze events, and drive improvements to reduce noise and improve visibility.

The role requires collaboration with IT and engineering teams to resolve incidents and strengthen the security posture. The successful candidate will bring extensive experience in security operations, incident response, and

Qualifications

• Bachelor's degree in Computer Science, Computer Engineering, Information Technology, or related field.
• Minimum eight (8) years of experience in information security network security, infrastructure security or equivalent.
• Experience in ZScaler or Darktrace preferred.
• Experience with security platforms such as Network detection and response (NDR), Secure web gateway / SSE platforms, Endpoint, cloud, or identity security tools.

Responsibilities

• Configures, maintains, and optimizes assigned security platforms across endpoint, network, web, email, cloud, and identity domains.
• Continuously refines policies, detection logic, and configurations to improve signal quality, reduce false positives, and enhance visibility.
• Investigates suspicious activity using available data sources, including logs, network traffic, and endpoint behavior.
• Performs triage and root cause analysis, escalating when broader coordination is required.
• Collaborates with IT, engineering, and business teams to diagnose and resolve issues efficiently.

Skills

Incident response

Threat analysis

Network security

Automation scripting

Education

Bachelor's degree in CS/Engineering/IT

Tools

ZScaler

Darktrace

Job description

Glidewell Dental seeks an experienced information security professional to design, implement, and maintain advanced security platforms across multiple domains. You will refine detection logic, analyze events, and drive improvements to reduce noise and improve visibility.

The role requires collaboration with IT and engineering teams to resolve incidents and strengthen the security posture. The successful candidate will bring extensive experience in security operations, incident response, and