×
Register Here to Apply for Jobs or Post Jobs. X

Cybersecurity Lead

Job in San Jose, Santa Clara County, California, 95173, USA
Listing for: A10 Networks
Full Time position
Listed on 2026-10-16
Job specializations:
  • IT/Tech
    Cybersecurity, Security Management & Operations, Systems Engineer
Job Description & How to Apply Below
Cybersecurity Lead The Cybersecurity Lead serves as a hands-on technical leader responsible for uniting offensive and defensive security operations to continually improve the company’s ability to detect, respond to, and recover from cyber threats.

This role will lead the Blue Team in managing and enhancing security monitoring tools, detection pipelines, and incident response processes, while also coordinating Red Team simulations that measure and improve the company’s defensive posture.

Reporting to the Director of Cybersecurity, this leader bridges strategy and execution driving the mission to emulate adversaries, strengthen controls, and transform findings into actionable defense improvements.

Key Responsibilities:

Blue Team Operations and Tool Management Lead and oversee the management, configuration, and tuning of security detection and response platforms, including:

SIEM (e.g., Splunk, PANW, or Azure Sentinel)
EDR/XDR (e.g., Crowd Strike, Sentinel One, Microsoft Defender)
SOAR automation platforms

Network IDS/IPS, NDR, and threat intelligence platforms (TIPs)
Ensure all detection tools are integrated for end-to-end visibility across endpoints, cloud environments, and production systems

Define standards for log collection, parsing, and correlation to enhance alert accuracy and reduce false positives

Drive continuous tuning of detection rules, signatures, and use cases to align with MITRE ATT&CK and emerging threats

Collaborate with IT and Engineering teams to ensure security telemetry is fully integrated into cloud and CI/CD environments

Oversee threat hunting, alert triage, and incident response playbook execution across the security stack

Partner with Dev Ops and infrastructure teams to embed security monitoring hooks into hybrid environments and new deployments

Red Team and Offensive Security Design and conduct controlled adversary emulation exercises to test detection and response capabilities

Execute attack chains including phishing, privilege escalation, persistence, and lateral movement using real-world TTPsDevelop and maintain custom adversary scripts and payloads to simulate targeted threats

Provide detailed post-exercise reports with actionable defensive improvement recommendations

Collaborate with Blue Team engineers to operationalize detections based on Red Team findings

Incident Response and Continuous Improvement Lead or co-lead major incident response efforts, coordinating containment, investigation, and recovery

Build and maintain detailed incident response runbooks, integrating lessons learned from purple team exercises

Conduct root cause analysis and lead retrospectives that drive measurable improvements in detection and resilience

Integrate threat intelligence and forensic insights into detection content and defensive playbooks.

Plan and execute adversarial simulations that validate threat detection, alert fidelity, and incident response readiness

Develop the roadmap for continuous improvement of detection coverage, response automation, and control validation

Serve as a technical escalation point for complex investigations, guiding both Red and Blue Team staff

Translate technical results into executive-level insights that demonstrate risk reduction and readiness improvement

Qualifications:

Bachelor’s degree in Computer Science, Information Security, or related field (or equivalent experience)8+ years of cybersecurity experience, with proven leadership across Blue, Red, or Purple Team operations

Demonstrated ownership of enterprise security detection tools, including SIEM, EDR/XDR, SOAR, and threat intel platforms

Strong understanding of MITRE ATT&CK, Cyber Kill Chain, and threat emulation frameworks.

Deep technical expertise in one or more of the following areas:

Endpoint and network…
To View & Apply for jobs on this site that accept applications from your location or country, tap the button below to make a Search.
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)
0
200
Filters
Education Level
Experience Level (years)
Posted in last:
Salary