Cybersecurity Lead
Job in
San Jose, Santa Clara County, California, 95173, USA
Listed on 2026-10-16
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
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…
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