Top Cybersecurity Jobs in Tokyo

Supervises hotel security operations to protect guests, staff, assets, and confidential information. Supports vulnerability assessments, risk mitigation, emergency response, security procedures, staff sourcing and training, fire safety, evacuation drills, bomb threat exercises, and continuous monitoring of hotel premises. Coordinates with hotel management, engineering leadership, and outsourced security providers while ensuring legal, ethical, and professional standards.

Participate in smart contract audits for ERC token contracts, identifying security vulnerabilities and attack vectors. Develop AI and LLM-based tools to automate vulnerability detection and improve audit coverage. Analyze Web3 security incidents, including root causes, vulnerability types, and impacts, to optimize audit processes. The role requires Solidity proficiency, knowledge of EVM internals and ERC standards, and familiarity with Ethereum, BSC, DeFi, and L1/L2 architectures.

Drives cybersecurity revenue growth in Japan through strategic account planning, opportunity development, deal execution, and partner collaboration. Acts as a security subject-matter expert for customers, partners, and internal teams, leading discovery, presentations, workshops, demos, proof-of-value engagements, and proposal responses. Translates security capabilities into business value, influences sales teams, and applies AI-enabled workflows to improve account research, competitive positioning, proposal quality, and sales-cycle efficiency.

Serve as the technical lead and engineering advocate for strategic enterprise security customers. Manage high-severity incidents and escalations, coordinate mitigation and root-cause analysis, advise customers on Microsoft Security solutions, and communicate with executive stakeholders. Analyze telemetry and support trends, drive service improvement plans, influence product priorities, develop playbooks and readiness materials, and mentor peers. Participate in a shared 24x7x365 on-call rotation.

Manage end-to-end delivery of enterprise security technology projects, including CCTV modernization, centralized monitoring, access card replacement, system migrations, testing, commissioning, and handover. Coordinate clients, stakeholders, vendors, consultants, and operational teams while managing schedules, budgets, risks, quality, compliance, procurement, and governance requirements across multiple locations.

The Senior Managing Consultant is responsible for driving growth in Mastercard's Security and Identity Solutions by building partnerships, achieving revenue targets, and fostering regional expansion through consultative B2B sales.

Sell Abnormal AI security SaaS to enterprise accounts in Tokyo: prospect, develop pipeline, close new logos, manage post-sale renewals/expansions, maintain CRM data, and collaborate with SE, product, marketing, and CS teams to represent customer needs.

Conduct attacker-driven security research on Aave protocol changes, smart contracts, integrations, and critical dependencies. Review architecture and code before audits or deployment, identify exploitable protocol risks, contribute to AI-assisted security tooling, and translate findings into invariants, testing, monitoring, and incident-response improvements. Collaborate with engineers, auditors, and monitoring teams while communicating risk, severity, uncertainty, and trade-offs clearly.

Design, implement, and troubleshoot enterprise network solutions on Cisco router and switch platforms. Provide deep routing/switching expertise (BGP/OSPF/ISIS/MPLS/VPNs), apply QoS and security, and use automation/programming (Python/Ansible/REST) for deployments and testing. Contribute to design and implementation deliverables and validate performance with traffic generators.

Lead technical design and execution for major products across frontend, backend, APIs, databases and cloud. Hands-on coding, code reviews, debugging, and production incident handling. Make architecture decisions, mentor engineers, improve tooling and practices, and drive initiatives from idea to production while ensuring reliability, security and observability.

Lead and manage a cross-functional engineering team to design, build, and operate scalable customer-facing products. Drive architecture, code quality, testing, observability, and reliability. Partner with product, design, mobile, backend and AI teams to deliver features from idea to production, coach engineers, improve processes, and own production outcomes and incident resolution.

Lead and manage a cross-functional engineering team to design, build, and operate scalable, reliable customer-facing systems. Drive architecture, code quality, observability, testing, incident response, and engineering culture while coaching engineers and delivering product outcomes from idea to production.

Lead and manage a cross-functional engineering team to deliver reliable, scalable products. Own architecture, technical decisions, code and design reviews, production incidents, and engineering standards. Coach engineers, improve processes, and drive product delivery from idea to production while balancing speed, quality, and reliability.

Lead and manage a cross-functional engineering team to design, build, and operate scalable, reliable customer-facing payment systems. Drive architecture, code quality, observability, incident response, and engineering processes while coaching engineers, prioritizing product outcomes, and delivering features from idea to production.

Lead and manage a cross-functional engineering team to design, build, and operate scalable customer-facing wealth management products. Own delivery, architecture, code quality, reliability, observability, and incident response. Collaborate with product, design, mobile, backend and AI teams, coach engineers, improve processes and automation, and drive outcomes from idea to production.

Lead and manage an engineering team across frontend, backend and full-stack to deliver scalable, reliable customer-facing products. Drive architecture, code quality, testing, observability, incident response, and engineer development while collaborating with product, design, mobile and AI teams to ship production systems used by millions.

Lead and manage a cross-functional engineering team to deliver reliable, scalable, customer-facing products. Own architecture, delivery, code quality, observability, incident response, and engineer development while collaborating with product, design, mobile, backend and AI teams to turn ambiguous problems into production systems.

Manage a portfolio of enterprise customers (Japanese-speaking), onboard and guide adoption of Canonical products, coordinate cross-functional projects, drive renewals and expansion, advocate customer needs internally, run reviews, support reactive tickets, and create digital campaigns.

Lead information security governance, risk, and control for MetLife Japan. Develop policies, manage security risks and controls, ensure regulatory compliance, oversee third-party risk, drive continuous improvement and automation, and coordinate security initiatives with local and global stakeholders.

Lead technical pre-sales engagements for Microsoft security solutions. Partner with sellers, specialists, customers, and partners to develop security strategies, deliver presentations, demonstrations, workshops, architecture sessions, and proofs of concept, and secure technical decisions. Advise customers on AI-powered security operations, AI security posture management, XDR, SIEM, zero trust, multicloud security, identity, data protection, and secure AI applications. Resolve technical blockers, drive solution adoption, and share security best practices.

As a Customer Technology Advisor, you will leverage your technical expertise to drive customer engagement, support sales processes, and deliver innovative solutions tailored to client needs.

Provide technical support for Tanium customers by triaging and resolving cases, documenting root causes and best practices, testing the platform, and collaborating with engineering. Serve as a subject-matter expert for troubleshooting and improving customer experience.

Own and grow a named book of strategic enterprise accounts across APJ (Singapore focus). Run full-cycle sales, build pipeline, execute account strategies, navigate complex enterprise buying, partner with Sales Engineering/Product/Customer Success, and exceed revenue targets while establishing local enterprise motions and references.

The Business Development Representative will drive sales pipeline through outbound prospecting and collaboration with account teams, focusing on enterprise opportunities in Japan.

Sell Cato Networks SASE and SD-WAN solutions across Japan. Build and manage pipeline, forecast revenue, develop territory and partner relationships, run full sales cycle and deliver onsite and remote demos to technical and C-level buyers.