Sr. Information Security Engineer

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

• 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.


• Applies platform capabilities to develop and improve detection coverage (e.g., IOA, behavioral detection).


• Ensures platform health, telemetry integrity, and effective coverage across environments


• Evaluates and implements enhancements to improve effectiveness of existing tools prior to recommending new solutions.


• Analyzes alerts and raw telemetry generated by security platforms and determines appropriate action based on context and risk.


• Investigates suspicious activity using available data sources, including logs, network traffic, and endpoint behavior.


• Applies independent judgment to distinguish between benign, anomalous, and malicious activity.


• Perform triage and root cause analysis, escalating when broader coordination is required.


• Contributes to incident response through multi-platform analysis and insight.


• Troubleshoots and resolves issues related to security controls, including access disruptions, false positives, and policy conflicts.


• Applies practical, risk-based decisions when adjusting controls to balance security with operational needs.


• Collaborates with IT, engineering, and business teams to diagnose and resolve issues efficiently


• Develops working knowledge across multiple security domains to support team resiliency and continuity coverage.


• Serves as a secondary resource across security platforms including endpoint, email, vulnerability, and cloud.


• Collaborates with peers to ensure continuity of coverage and reduce single points of failure


• Identifies gaps in detection, visibility, and control effectiveness based on operational experience.


• Improves detection quality, reduces noise, and enhances response effectiveness (e.g. MTTD/MTTR).


• Contributes to development of playbooks and processes, remaining effective in situations where such guidance is incomplete.


• Implements automation or scripting where appropriate to improve efficiency.


• Communicates findings, risks, and recommendations clearly to technical and non-technical stakeholders


• Translates technical observations into business-relevant impact.


• Demonstrates strong active listening and incorporates differing perspectives.


• Maintain a collaborative, solutions-oriented approach while providing clear recommendations and direction.


• Participate in on-call rotation for after-hours response.


• Respond to security incidents and production-impacting issues in a timely and structured manner.


• Communicates important security developments, escalations, and activities to appropriate management personnel.


• Serves as a mentor and provides training to other team members.


• Recommends regulatory and industry best practice framework for security operational.


• Conducts industry research on new and emerging security technologies to ensure security solutions exhibits high levels of performance.


• Collaborates with other departments to ensure security is embedded throughout organizational processes.


• Participates in technical audits to ensure compliance with security policies and other industry standards.


• Participates in the creation and maintenance of security documents.


• Performs other related duties and projects as business needs require at direction of management.

Essential Functions:

Education and Experience:

• 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 any equivalent education and/or experience from which comparable knowledge, skills and abilities have been demonstrated/achieved.


• Experience in zScaler or Darktrace preferred


• Experience with security platforms such as the following, required:
  
  
  
  • Network detection and response (NDR)
  
  
  • Secure web gateway / SSE platforms
  
  
  • Endpoint, cloud, or identity security tools
  
  
  
  

Pay Range: $145,000.00 - $173,000.00/yr