About the Team The Applied AI Engineering team is responsible for helping developers and enterprises safely and effectively deploy OpenAI technologies in production. We act as trusted technical advisors and thought partners for customers, working side by side with their teams to identify high-value use cases, design practical architectures, and move from prototype to durable deployment. Cybersecurity is one of the most urgent domains where AI can help. Security teams are under pressure to reason across code, logs, infrastructure, tickets, alerts, and vulnerability data faster than ever. As frontier models become more capable, organizations need deep technical guidance on how to evaluate, validate, and safely deploy AI systems in security-critical workflows. About the Role We are looking for a Cybersecurity Applied AI Engineer to partner with customers and help them apply OpenAI models, APIs, Codex, and agentic workflows to real cybersecurity use cases. You will work with CISOs, security executives, application security leaders, SOC teams, security engineering teams, and hands-on practitioners to identify where AI can create measurable security outcomes. This is a customer-facing technical role for someone who can move fluidly between executive strategy, practitioner-level cyber depth, and hands-on solution design. You will help customers evaluate and deploy workflows such as secure code review, vulnerability triage, threat modeling, remediation, SOC and incident response workflows, detection engineering, cloud security, GRC automation, and security validation. You will collaborate closely with Sales, Solutions Engineering, Product, Engineering, Research, and Security to turn customer needs into safe deployment patterns, reusable field assets, and product feedback. This role is based in our Tokyo office. We offer relocation support to new employees. In this role, you will: Deeply embed with strategic customers as the technical lead for AI-enabled cybersecurity workfl
Jobs in Japan
Security Systems Engineer in Japan
15 active opportunities · Updated September 2026
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15 jobs
Explore current security systems engineer jobs across Japan. Filter by work mode, employment type, experience, department, date posted and distance.
Who are we? Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems. We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread adoption of AI and we are looking for folks that want to be part of that. We obsess over what we build. Each one of us is responsible for contributing to increasing the capabilities of our models and the value they drive for our customers. Cohere is a team of researchers, engineers, designers, and more, who are all passionate about their craft. We are a global technology company headquartered in Toronto with key offices in London, New York City, San Francisco, Montreal, Paris, Berlin and Seoul. Join us! About North: North is Cohere's cutting-edge AI workspace platform, designed to revolutionize the way enterprises utilize AI. It offers a secure and customizable environment, allowing companies to deploy AI while maintaining control over sensitive data. North integrates seamlessly with existing workflows, providing a trusted platform that connects AI agents with workplace tools and applications. Why This Role? This role offers a unique opportunity to shape how enterprises harness the power of AI in real-world applications. As a bridge between our core North product and our clients’ engineering teams, you’ll be at the forefront of solving complex problems and securely integrating AI into critical sectors such as finance, healthcare, and telecommunications. Our esteemed clients include industry leaders like RBC, Dell, and LG CNS. We are seeking engineers who deeply care about customers and want to work at the cutting edge of Agentic AI. Note: between 20 - 40% travel anticipated In this role, you will: Lead end-to-end deployment of North in private cloud and on-premises environments, including planning, configuration, testing, and r
About the team OpenAI’s Forward Deployed Engineering team partners with customers to turn research breakthroughs into production systems. We operate at the intersection of customer delivery and core platform development. About the role Forward Deployed Engineers (FDEs) lead complex end-to-end deployments of frontier models in production alongside our most strategic customers. You will own discovery, technical scoping, system design, build, and production rollout, partnering directly with customer engineering and domain teams. You will measure success through production adoption, measurable workflow impact, and eval-driven feedback that changes product and model roadmaps. You’ll work closely with our Product, Research, Partnerships, GRC, Security, and GTM teams. This role is based in Tokyo. We use a hybrid work model of 3 days in the office per week and offer relocation assistance to new employees. Travel is expected in this role, mainly within Japan. To succeed in this position you must be bilingual—fluent in both Japanese and English (spoken and written). Please note that your resume must be submitted in English, and the interview process will include conversations in both languages. In this role you will Own technical delivery across multiple deployments from first prototype to stable production Build full-stack systems that deliver customer value and sharpen how we learn Embed closely with customer teams, understand their needs, and guide adoption of what you build Scope work, sequence delivery, and remove blockers early Make trade-offs between scope, speed, and quality; adjust plans to protect delivery Contribute directly in the code when progress or clarity depends on it Codify working patterns into tools, playbooks, or building blocks that others can use Share field feedback that helps Research and Product understand where the models succeed and where they can improve Keep teams moving through clarity and follow-through You might thrive in this role if you Bri
About the Team OpenAI’s Applied AI Engineering team helps organizations turn frontier AI capabilities into safe, reliable, and high-impact production systems. We work with customer executives, product and engineering teams, security leaders, and transformation teams to identify valuable opportunities, accelerate technical implementation, and scale what works. Enterprise deployments are defined by complexity rather than any one industry: existing architectures, diverse data environments, security and governance requirements, multiple stakeholder groups, and organization-wide change. We turn lessons from these deployments into better products and reusable patterns for customers everywhere. About the Role As an Applied AI Engineer you will partner directly with leading organizations to design, build, and deploy AI systems that deliver measurable business outcomes. You will combine deep technical judgment, hands-on engineering, and customer leadership to take ambitious ideas from use-case selection and architecture through prototyping, evaluation, production launch, and scale. You will write and debug code, build evaluation systems, resolve complex integrations, and guide decisions involving model behavior, reliability, latency, cost, safety, security, governance, and operational readiness. Success is measured by production systems, sustained adoption, and meaningful customer impact—not simply activity or successful demonstrations. This is a rare opportunity to work on consequential real-world deployments at the frontier of AI while directly influencing how OpenAI’s products evolve. This role is based in Tokyo, Japan. We use a hybrid work model of 3 days in the office per week and offer relocation assistance to new employees. In this role, you will: Partner directly with enterprise customers to identify high-value opportunities and translate them into technical architectures, implementation plans, evaluation strategies, and measurable success criteria. Design, build, an
GitLab is the intelligent orchestration platform for DevSecOps. GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. More than 50 million registered users and more than 50% of the Fortune 100* trust GitLab to ship better, more secure software faster. The same principles built into our products are reflected in how our team works: we embrace AI as a core productivity multiplier, with all team members expected to incorporate AI into their daily workflows to drive efficiency, innovation, and impact. GitLab is where careers accelerate, innovation flourishes, and every voice is valued. Our high-performance culture is driven by our values and continuous knowledge exchange, enabling our team members to reach their full potential while collaborating with industry leaders to solve complex problems. Co-create the future with us as we build technology that transforms how the world develops software. * Fortune 500® is a registered trademark of Fortune Media IP Limited, used under license. Claim based on GitLab data. Fortune 100 refers to the top 20% ranked companies in the 2025 Fortune 500 list, published in June 2025. Fortune and Fortune Media IP Limited are not affiliated with, and do not endorse products or services of GitLab. An overview of this role As a Senior Professional Services Engineer at GitLab, you'll work directly with customers to deliver installation, migration, training, and advisory services that help them adopt GitLab successfully. You'll lead engagements from single-node Omnibus installs to large reference architectures built with infrastructure as code (IaC) and configuration as code. You'll also guide migrations from other systems to GitLab SaaS or self-managed deployments, and help customers make practical decisions that improve reliability, security, and day-to-day workflows. In this role, you'll work closely with customers and Git
Who are we? Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems. We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread adoption of AI and we are looking for folks that want to be part of that. We obsess over what we build. Each one of us is responsible for contributing to increasing the capabilities of our models and the value they drive for our customers. Cohere is a team of researchers, engineers, designers, and more, who are all passionate about their craft. We are a global technology company headquartered in Toronto with key offices in London, New York City, San Francisco, Montreal, Paris, Berlin and Seoul. Join us! Why this role? In this role, you will have ownership of the full sales cycle - from identifying leads to closing deals for enterprises across diverse industries in Japan such as financial services, manufacturing, healthcare, energy, telecommunications and oil and gas. Cohere seeks an approachable and compelling communicator who loves working with prospects to uncover their needs and feels comfortable developing tailored value propositions around how Cohere’s platform can help them achieve their business goals. You’ll lay the foundation for Cohere’s growth by owning your territory and collaborating with teammates across Customer Success, Sales Development, Marketing and Sales Engineering. You’ll be the voice of the field and partner with our Product and Engineering teams to prioritize the Cohere roadmap with customer-centric care. In this highly self-directed role, you are someone who thrives in an unstructured and quickly evolving environment. And your opportunity for impact will be astronomical — Cohere has skies-the-limit potential, and you’ll help us reach it. As an Account Executive, you will : Focus on net-new logo acquisit
Who are we? Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems. We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread adoption of AI and we are looking for folks that want to be part of that. We obsess over what we build. Each one of us is responsible for contributing to increasing the capabilities of our models and the value they drive for our customers. Cohere is a team of researchers, engineers, designers, and more, who are all passionate about their craft. We are a global technology company headquartered in Toronto with key offices in London, New York City, San Francisco, Montreal, Paris, Berlin and Seoul. Join us! Why this role? Adoption of AI is moving rapidly from pilots to production. Enterprises across APAC are investing in generative-AI programs, creating a once-in-a-decade market inflection point. At Cohere, we’re committed to transforming the Japan enterprise landscape through strategic partnerships and innovative AI solutions. As a Partner Development Manager for the Japan Enterprise Market, you’ll be at the heart of our mission to empower businesses across the region with cutting-edge AI technologies. This role is perfect for someone who thrives in a dynamic, cross-cultural environment and is passionate about driving growth through collaboration. You’ll work closely with leading enterprises, system integrators, and technology partners to co-create value, expand market reach, and deliver impactful AI solutions tailored to the unique needs of Japanese businesses. Japan is a key strategic market for Cohere, and your work will directly contribute to our success in this region. You’ll have the opportunity to shape partnerships that drive digital transformation, foster innovation, and position Cohere as a leader in the Japan AI ecosyst
Who We Are Notion is the collaborative AI workspace where teams and agents think together . We're building one place where your knowledge, projects, meetings, and AI tools live side by side, so work is faster, clearer, and less fragmented. Millions of individuals, small teams, and large companies run their work on Notion. Notinos (our employees) are customer zero in bringing this future of work to life. We care about craft, building things that last, and the belief that great work is still fundamentally human. Our goal isn’t to ship the next feature. Each and every team of Notinos is working to set the standard for how humans work together in the AI era. From building a business’s system of record to making and managing AI agents to automating away the busy work, we care deeply about giving our customers more time for their life’s work. About the Role: Notion is seeking a Workplace Technology Operation contractor for our Tokyo office. As part of our growing Workplace Technology Operations team, you'll be a resourceful, security-focused, and people-centered professional who will help us continue scaling and establish best-in-class support for our end users. The ideal candidate is expected to provide exceptional technical support, contribute to automation opportunities, and make a meaningful impact on our day-to-day workplace operations. This is a 12–18 month fixed-term role, with longer-term opportunities possible depending on business needs and performance. In-person collaboration is essential to Notion's culture. We require all team members to work from our offices on Mondays, Tuesdays, and Thursdays, our designated Anchor Days. Certain teams or positions may require additional in-office workdays. What You'll Achieve: End User & AV Support: Provide reliable onsite and remote technical support for Tokyo/APAC employees across hardware, software, connectivity, SaaS tools, conference room AV, and internal events, with clear communication and practical judgment. Emp
We are a global team of innovators and pioneers dedicated to shaping the future of observability. At New Relic, we build an intelligent platform that empowers companies to thrive in an AI-first world by giving them unparalleled insight into their complex systems. As we continue to expand our global footprint, we're looking for passionate people to join our mission. If you're ready to help the world's best companies optimize their digital applications, we invite you to explore a career with us! Your opportunity As Senior Legal Counsel, you will join our dedicated, collaborative global legal team supporting diverse commercial matters, including growth across the APJ region with particular focus on Japan. You will have a voice that is heard and respected, while encouraged to grow in your abilities and curate your own career path. If you have a drive for supporting sales teams and revenue growth, with expertise as a transactional lawyer negotiating contracts in the Software-as-a-Service industry, read on! In this role, you will primarily support New Relic's commercial activities by structuring, negotiating, and closing contracts. You will also build upon scalable processes to manage those matters. You will be responsible for both direct and partner contract negotiations, including related privacy and security topics. We'll need you to have excellent communication skills, tailoring messaging to both internal departments and external business clients while addressing complex issues with attention to accuracy and detail. This is a great opportunity if you have a passion for technology, excellent problem-solving skills, and an ability to thrive in a fast-paced, changing environment. What you’ll do Draft, review, and negotiate SaaS contracts, and other commercial agreements in support of our go-to-market efforts; Support and coach sales teams on deal structure, contract negotiations, and customer contract disputes; Analyze and advise internal stakeholders and leadersh
GitLab is the intelligent orchestration platform for DevSecOps. GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. More than 50 million registered users and more than 50% of the Fortune 100* trust GitLab to ship better, more secure software faster. The same principles built into our products are reflected in how our team works: we embrace AI as a core productivity multiplier, with all team members expected to incorporate AI into their daily workflows to drive efficiency, innovation, and impact. GitLab is where careers accelerate, innovation flourishes, and every voice is valued. Our high-performance culture is driven by our values and continuous knowledge exchange, enabling our team members to reach their full potential while collaborating with industry leaders to solve complex problems. Co-create the future with us as we build technology that transforms how the world develops software. * Fortune 500® is a registered trademark of Fortune Media IP Limited, used under license. Claim based on GitLab data. Fortune 100 refers to the top 20% ranked companies in the 2025 Fortune 500 list, published in June 2025. Fortune and Fortune Media IP Limited are not affiliated with, and do not endorse products or services of GitLab. About the Team GitLab's APJ Ecosystem team builds and scales the partner (channel, alliance, and hyperscaler) motion across the region. Japan is a strategic market for GitLab, and this hire is central to strengthening our partner ecosystem there — deepening a smaller number of high-value partnerships rather than spreading thin across many transactional ones. About the Role The Ecosystem Sales Manager (ESM), Japan is a senior, market-facing role responsible for building and scaling GitLab's partner business in Japan across the full breadth of the ecosystem: hyperscalers, large Japan-centric system integrators (SIs), and born-in-th
Who We Are Notion is the collaborative AI workspace where teams and agents think together . We're building one place where your knowledge, projects, meetings, and AI tools live side by side, so work is faster, clearer, and less fragmented. Millions of individuals, small teams, and large companies run their work on Notion. Notinos (our employees) are customer zero in bringing this future of work to life. We care about craft, building things that last, and the belief that great work is still fundamentally human. Our goal isn’t to ship the next feature. Each and every team of Notinos is working to set the standard for how humans work together in the AI era. From building a business’s system of record to making and managing AI agents to automating away the busy work, we care deeply about giving our customers more time for their life’s work. What You'll Achieve Own the full customer lifecycle—new logo, expansion, and renewal—as the single account owner for your book of business, with responsibility for ensuring credits sold translate into credits consumed Design and build workflow solutions live with customers: the discovery is the demo, not the slide deck—you’ll run discovery, design current-to-future-state workflow architecture, and co-build in Notion with the customer Partner with BDRs on target account planning and co-own the outbound motion for your book, running direct outreach to priority stakeholders alongside BDR-sourced pipeline Navigate commercial sizing, proposal construction, procurement, legal, and security review to close deals with the right scope, credits, and implementation path Guide customers through early implementation with a clear adoption plan and handoff to Outcomes Architects for ongoing multi-workflow expansion Partner with Outcomes Architects (OA) on onboarding, adoption plans, expansion strategies, and renewal execution—owning the commercial arc while OAs drive day-to-day workflow adoption Skills You'll Need to Bring Experience in selling tec
Senior Manager, Japan Security and Compliance GTM WHAT IS BOX? [Recruiting owns] Box is the market leader for Cloud Content Management. Our mission is to power how the world works together. Box is partnering with enterprise organizations to accelerate their digital transformation by creating a single platform for secure content management, collaboration and workflow. We have an amazing opportunity to further establish ourselves as leaders in the space, and we need strong advocates to help us achieve that goal. By joining Box, you will have the unique opportunity to help capture a majority of this developing market and define what content management looks like for the digital enterprise. Today, Box powers over 97,000 businesses, including 70% of the Fortune 500 who trust Box to manage their content in the cloud. WHY BOX NEEDS YOU Box's security, compliance, and privacy posture is a business enabler for customers and a competitive differentiator in the market. We are looking for a Senior Manager, Japan Security and Compliance GTM, to lead Box’s customer trust efforts in Japan. This will include oversight and responsibility for gathering, vetting and scaling security, compliance, privacy and other trust-related information to customers and partners. The right person should be excellent at communicating vertically and horizontally across the company and will be comfortable explaining Box's security, compliance, and privacy posture. WHAT YOU'LL DO Lead Japan’s customer trust efforts, including responding to customer security due-diligence questionnaires and, as needed, leading customer audits. Work with US-based GRC, Security, Legal, Product and other SMEs to find answers to customer questions specific to the Japan market. Assess the need for new customer-facing content; drive the development of new content; and then scale it to account teams, customers and partners, as appropriate. Work closely with both Box Japan’s leadersh
Datadog is the global leader in observability and security for cloud applications. Our SaaS platform integrates infrastructure monitoring, application performance monitoring, log management, digital experience monitoring, cloud security, and AI-powered observability to help organisations accelerate digital transformation and operate at scale. As organizations across Japan continue to modernize their technology stacks and embrace cloud-native architectures, Datadog is uniquely positioned to help customers achieve greater visibility, reliability, security, and business performance. The Opportunity Following significant investment in Japan by Datadog, we’re now seeking a senior executive to lead the next phase of growth and scale the business rapidly. This executive will be responsible for defining and executing Datadog's strategy in Japan, driving sustainable, predictable revenue growth, strengthening customer and partner relationships, developing high-performing teams, and firmly establishing Datadog as the market leader for Japan. Reporting to senior APJ leadership, the Country Leader will serve as the executive face of Datadog in Japan and will work cross-functionally with Sales, Customer Success, Marketing, Partnerships, Solutions Engineering, Product, and Corporate functions to accelerate market penetration and customer success. At Datadog, we work hard to maintain an excellent culture of trust, high standards, and great outcomes for customers, partners and employees About the Role Datadog is seeking an experienced and respected country executive to serve as Country Manager, Japan. As the most senior leader in the market, you will be responsible for owning Japan’s overall business health across acquisition, usage, retention, ecosystem, culture, and cross-functional execution. The Country Manager owns the country plan and operating cadence, ensuring effective direct management of all three sales segments (Enterprise, Mid Market, Commercial); and cross-
From $120K/yr
About Sayari: Sayari is the judgment infrastructure for trustworthy AI in economic security and commercial risk. The Sayari Commercial World Model resolves 11.7B+ primary-source records from 250+ jurisdictions forming the ground truth of global commerce. A Judgment Ontology, encoding over a decade of investigative tradecraft, and Superconductor, an agentic orchestration platform, deliver AI that reasons like an expert analyst, shows its work, and traces every finding to its source. Trusted by U.S. Customs and Border Protection, HM Revenue & Customs, and Fortune 500 enterprises, Sayari is used by thousands of professionals across 35+ countries to secure supply chains and dismantle illicit networks. Headquartered in Washington, D.C., with offices in London, Singapore, Tokyo, and Tel Aviv. POSITION SUMMARY We are looking for a seasoned Enterprise Account Executive and business development professional with a proven history of managing enterprise commercial relationships. This position will own a diverse book of business comprising major commercial accounts, with a mandate to drive product adoption, account renewals, and revenue expansion within the Japan territory. JOB RESPONSIBILITIES Strategic Account Planning: Develop a deep understanding of client mission sets, map account whitespace, and develop strategic account plans to grow revenue through upsell and cross-sale activities. Pipeline & Forecast Management: Maintain accurate and up-to-date Salesforce data for your territory and provide reliable forecast information to upper management. Customer Advocacy: Drive referral sales and customer references to support net-new sales activities. Market Intelligence: Stay abreast of competitive intelligence and provide actionable feedback to management. Ad-hoc Duties: Perform other related duties as assigned. SKILLS & EXPERIENCE Required: Fluency in Japanese: Must be a native or fluent Japanese speaker with superior business-level written and verbal communic
About Sayari: Sayari is the judgment infrastructure for trustworthy AI in economic security and commercial risk. The Sayari Commercial World Model resolves 11.7B+ primary-source records from 250+ jurisdictions forming the ground truth of global commerce. A Judgment Ontology, encoding over a decade of investigative tradecraft, and Superconductor, an agentic orchestration platform, deliver AI that reasons like an expert analyst, shows its work, and traces every finding to its source. Trusted by U.S. Customs and Border Protection, HM Revenue & Customs, and Fortune 500 enterprises, Sayari is used by thousands of professionals across 35+ countries to secure supply chains and dismantle illicit networks. Headquartered in Washington, D.C., with offices in London, Singapore, Tokyo, and Tel Aviv. POSITION SUMMARY We are looking for a seasoned sales and business development professional with a proven history of managing enterprise commercial relationships. This position will own a diverse book of business comprising major commercial accounts, with a mandate to drive product adoption, account renewals, and revenue expansion within the Japan territory. JOB RESPONSIBILITIES Strategic Account Planning: Develop a deep understanding of client mission sets, map account whitespace, and develop strategic account plans to grow revenue through upsell and cross-sale activities. Pipeline & Forecast Management: Maintain accurate and up-to-date Salesforce data for your territory and provide reliable forecast information to upper management. Customer Advocacy: Drive referral sales and customer references to support net-new sales activities. Market Intelligence: Stay abreast of competitive intelligence and provide actionable feedback to management. Ad-hoc Duties: Perform other related duties as assigned. SKILLS & EXPERIENCE Required: Fluency in Japanese: Must be a native or fluent Japanese speaker with superior business-level written and verbal communication skills. 8+ years
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