Senior Manager, Enterprise Cyber Defense

This is a fully remote position, open to applicants in United States.

📋 Description

• Develop and implement an Enterprise Cyber Defense strategy, operating model, and roadmap that align with business risks, the threat landscape, and Information Security priorities.

• Create and lead a high-performing global cyber defense team comprising employees, contractors, and strategic service providers.

• Establish and enhance a threat-informed detection engineering lifecycle.

• Direct the cyber response to emerging and unconventional risk scenarios, as well as evolving threats.

• Spearhead the agentic SOC and security automation strategy utilizing AI-assisted triage and investigation, ensuring human-in-the-loop controls are in place.

• Set up proactive threat hunting and adversary-validation capabilities.

• Oversee the cyber readiness program, which includes tabletop exercises, technical response simulations, playbook validation, escalation testing, and readiness assessments.

• Provide oversight and incident command during high-severity cyber incidents.

• Coordinate incident response efforts across Security, IT, Privacy, Legal, business teams, and external partners.

• Convert lessons learned into improved detection, automation, controls, and response practices.

• Define strategy, architecture, integration, and optimization priorities for cyber defense platforms and telemetry.

• Establish and report on cyber defense KPIs and KRIs that measure detection coverage, response performance, false-positive reduction, automation and AI-agent performance, readiness, and risk reduction.

⛳️ Requirements

• BS/MS in Computer Science, Cybersecurity, Information Technology, Engineering, or a related field, or equivalent work experience.

• Over 10 years of experience in cybersecurity, IT, or engineering.

• At least 5 years focused on cyber defense, detection and response, or incident response.

• Demonstrated success in building, transforming, or scaling enterprise cyber defense capabilities.

• Extensive experience in detection engineering, incident response, and threat-informed defense.

• Strong understanding of SIEM, SOAR, XDR, EPP, NDR, email security, identity telemetry, and cloud security.

• In-depth knowledge of adversary behaviors, threat hunting, incident response, and detection methodologies.

• Practical experience with frameworks such as MITRE ATT&CK.

• Experience with red/purple teaming or cyber readiness exercises is highly preferred.

• Familiarity with applying automation, AI, or machine-learning capabilities in security operations.

• Capability to evaluate automated outputs, define performance metrics, and maintain human oversight for security decisions.

• Ability to lead during high-severity incidents and in uncertain situations.

• Proficient in communicating technical risks to executives and non-technical stakeholders.

• Skilled at driving cross-functional teams toward timely decisions and outcomes.

• Strong background in leading globally distributed technical teams and service providers.

• Certifications such as CISSP, CISM, GIAC, or other relevant cyber defense certifications are a plus.

• Typically requires a Bachelor’s degree in a technical discipline with over 13 years of industry experience.

• 5-8 years of previous people management experience.

• Willingness to travel 5-15% of the time.

🏝️ Benefits

• Medical, dental, and vision coverage.

• Wellness programs.

• Performance incentives.

• Opportunities for advancement.

• Flexible work arrangements.

• Unlimited paid time off.

• In-house training and development programs.

• Career mentorship.

• Opportunities to attend security conferences.

• Inclusive, diverse work environment.

• Home office workplace.

• Flex workplace option may be available for employees within commuting distance of a Dexcom site.