Top Cybersecurity Jobs in Tokyo

Lead end-to-end security governance, risk, and compliance (GRC) engagements: assess current state, perform gap analyses, develop roadmaps, design policies and controls, present recommendations to stakeholders, and drive improvement and delivery in collaboration with internal teams.

Lead GRC efforts by defining security policy and standards, assessing risk posture, overseeing control assessments, ensuring cross-company compliance with security requirements, and collaborating with teams to remediate gaps and monitor control effectiveness.

Maintain safety and security of hotel guests, staff, and assets by identifying and managing potential threats, staying calm under pressure, and following policies and procedures in a 24-hour operation.

Drive enterprise API security sales by generating pipeline, collaborating across sales, SE, customer success and partners, and selling API Security, application and infrastructure security to senior executives. Shape regional strategy, present case studies, and lead within a matrixed organization to deliver customer success.

Implement and integrate Akamai security solutions for enterprise customers: configure, debug, test, document, and support go-lives. Analyze customer traffic, customize defenses, collaborate with cross-functional teams on technical scoping and timelines, and participate in training and knowledge sharing.

Serve as a Security SME and strategic TAM for enterprise customers on Project Lightwell, advising on Red Hat security, application development practices, CI/CD, containers, and patching. Build trusted customer relationships, coordinate incident response and remediation, mentor customer teams, collaborate with engineering and product teams, maintain customer documentation, and contribute knowledge base and solution patterns.

Act as product specialist for CalypsoAI within F5's enterprise GTM, partnering with account teams to drive and close complex AI-security sales. Engage senior security and technology stakeholders, deliver tailored demos and proof-of-value, manage pipeline and forecasting, and feed customer insights into product and GTM strategy.

Operate and maintain a single-tenant Prisma Access deployment (Panorama/portals), handle L1/L2 incident triage via ServiceNow, perform firewall policy and GlobalProtect support, run platform health monitoring and reporting with Cortex Data Lake and Splunk, execute change management, and maintain SOPs, documentation, and compliance artifacts.

Lead pre-sales technical engagements, demos, POCs and RFP responses for Vectra products. Build strong technical customer and partner relationships, advise on integrations, influence product features, and support regional sales to drive deals and post-sale collaboration.

Serve as a technical customer advocate driving adoption of VMware application networking and security solutions. Provide architectural guidance, coordinate projects, map VMware solutions to business needs, collaborate with cross-functional teams, report account metrics, and deliver best-practice advisory to foster long-term customer value.

Drive technical cybersecurity across satellite design, manufacturing, operations, cloud and on-prem environments. Manage network, server, endpoint, OT/ICS, and cloud security; detect and respond to incidents via log/SIEM analysis; perform risk and vulnerability assessments; implement security designs and controls; deliver training, documentation, and continuous improvement (PDCA).

Lead and grow Broadcom Software OEM business in Japan: define strategy and GTM, drive sales, partner relations, P&L and operations, manage a small cross-functional team, and coordinate with global stakeholders to meet revenue, renewal, and upsell targets.

Lead proactive, hypothesis-driven threat hunts across endpoint, network, and cloud environments; research adversary TTPs (MITRE ATT&CK); develop detections, automate analyses with scripting and ML/LLMs; collaborate with detection engineering, SOC, CTI, and IR teams; perform deep technical forensics and telecommunication-specific threat analysis to improve detection and response.

Lead and grow a regional enterprise sales team (2-7 reps), recruit and develop sales leaders, build business plans, manage full sales cycle from pipeline creation to close, drive new logo acquisition and account expansion, and consistently exceed quarterly and annual targets while collaborating with GTM leadership.

Customer-facing technical pre-sales role: scope and architect security solutions, lead proofs-of-concept, enable partners, use AI-assisted tools for sales support, and relay field feedback to Product and Engineering.

Lead end-to-end delivery of regional security technology projects across APAC, including planning, approvals, implementation, testing, integration, and handover. Manage scope, schedules, budgets, governance, compliance, stakeholders, vendors, system integrators, infrastructure readiness, and phased deployments. Oversee access control, CCTV, video surveillance, and intrusion detection implementations while coordinating with Security, IT, Risk, Business, and engineering teams.

Own strategic relationships with complex enterprise customers across Japan, driving retention, expansion, deployment success, adoption, and time-to-value. Lead executive QBRs, provide technical security guidance, identify expansion opportunities, manage renewal strategies, author implementation playbooks and SOWs, facilitate workshops, and represent customer feedback to product and engineering teams. Mentor junior CSMs and collaborate with sales, technical teams, and regional partners. Requires native-level Japanese, professional English, enterprise security expertise, and up to 30% travel.

Design and implement secure application architectures, perform security requirement reviews, develop secure coding standards, run security audits/penetration tests, implement controls and remediation, conduct threat modeling and risk identification, and mentor engineering teams on secure coding and security best practices.

Conduct technical research on new chains and DeFi projects to identify architecture risks and exploits. Deconstruct attack logic, determine root causes, and design actionable detection rules and defensive measures for wallet security. Collaborate with the wallet team to implement protections and document attack patterns to improve the team's knowledge base and AI-assisted operations.

Perform smart contract and blockchain security audits, analyze disclosed vulnerabilities and post-mortems, develop automated scanning/monitoring tools, detect on-chain risks, and produce high-quality audit reports and risk warnings.

Design, build, and maintain security automation, SOC tooling, and API integrations. Automate alert enrichment, correlation, response, and investigation workflows. Support SIEM ingestion and detection engineering, assist incident response and on-call SOC duties, and collaborate with SOC analysts to translate operational needs into scalable engineering solutions.

Analyze complex Web3 security incidents, extract attack patterns, and maintain SOPs. Identify workflow gaps and improve operations, partner with AI agents to build a security knowledge base, and convert manual analyses into automated detection rules while staying ahead of emerging DeFi and wallet exploit techniques.

Analyze large-scale on-chain data to detect anomalous transactions, develop detection mechanisms and risk monitoring frameworks, apply supervised and unsupervised ML, identify malicious accounts via community-discovery algorithms, and design integrated on-chain/off-chain prevention and control systems.

Design, develop, maintain, and optimize backend and big-data systems for Binance's Web3 security domain. Build scalable, high-concurrency services, improve security tooling and threat detection, work with data teams on collection and processing, and collaborate with cross-functional and global stakeholders to deliver security-focused technical solutions.

Manage personnel, information, and physical security for a government aircrew training facility in Misawa, Japan. Maintain security plans and SOPs, report vulnerabilities, administer COMPUSEC/COMSEC programs, conduct inspections and training, maintain personnel security folders, and coordinate facility security operations and repairs per DoD/AF guidance.