Remote Senior Cyber Defense Engineer

1 DexCom Inc; California; Hybrid; USD 156,000 - 261,000; Full time

Benefits offered by this job

Medical, dental, vision

Unlimited PTO

Career development

Conference attendance

Job summary

Dexcom is seeking a Staff Cyber Defense Engineer to design, implement, and optimize enterprise cyber defense capabilities. You will independently own solutions across detection, response, hunting, automation, and readiness while mentoring colleagues.

You will lead investigations, drive improvements, and develop telemetry, SOAR, and playbooks with human oversight. This role requires strong SIEM/XDR experience and a proactive security mindset.

Qualifications

• Bachelor’s degree required in a technical discipline; 8–12 years related experience or Master’s degree with 5–7 years experience or PhD with 2–4 years experience.
• Experience owning cyber defense solutions and leading complex technical initiatives.

Responsibilities

• Own engineering solutions across detection, response, hunting, automation, and readiness.
• Lead complex investigations and technical initiatives; mentor junior engineers and analysts.
• Develop telemetry integrations, SOAR workflows, response playbooks, and automated patterns.
• Partner across Information Security and IT to improve controls and documentation.

Skills

SIEM

SOAR

XDR/EDR

NDR

Telemetry

Cloud security

Networking

Python

PowerShell

SPL

KQL

SQL

Threat hunting

Incident response

Digital forensics

MITRE ATT&CK

Automation

AI/ML in security

Certifications

Education

Bachelor’s degree in technical discipline

Job description

Dexcom is seeking a Staff Cyber Defense Engineer to design, implement, and optimize enterprise cyber defense capabilities. You will independently own solutions across detection, response, hunting, automation, and readiness while mentoring colleagues.

You will lead investigations, drive improvements, and develop telemetry, SOAR, and playbooks with human oversight. This role requires strong SIEM/XDR experience and a proactive security mindset.