PKI Operations Engineer, Woven City PKI Operations
Company
Woven-By-Toyota
Date Posted
31-10-2025
Location
Tokyo, Tokyo, Japan
About Woven by Toyota
Woven by Toyota is enabling Toyota’s once-in-a-century transformation into a mobility company. Inspired by a legacy of innovating for the benefit of others, our mission is to challenge the current state of mobility through human-centric innovation — expanding what “mobility” means and how it serves society.
Our work centers on four pillars: AD/ADAS, our autonomous driving and advanced driver assist technologies; Arene, our software development platform for software-defined vehicles; Woven City, a test course for mobility; and Cloud & AI, the digital infrastructure powering our collaborative foundation. Business-critical functions empower these teams to execute, and together, we’re working toward one bold goal: a world with zero accidents and enhanced well-being for all.
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TEAM
Toyota is redefining what it means to move. We're challenging the current state of mobility by enhancing the movement of people, goods, information and energy. Centered around three core concepts - A Living Laboratory™, Human-Centered, and Ever Evolving City™ - Woven City serves as a test course for mobility to fulfill our purpose of well-being for all.
We do this by bringing together a diverse community of people with a shared passion for the future of mobility to co-create, develop and refine innovative products and services. This cross-section of social infrastructure, mobility, and people provides a unique opportunity for inventors, residents and visitors to interact seamlessly with new technologies throughout daily life in an environment that emulates a real city.
The Secure Foundations team supports the security of PKI and IoT hardware systems to ensure the safety of our residents and inventors in Woven City. We are a diverse team of engineers who are passionate about the security of our users.
WHO ARE WE LOOKING FOR?
We are looking for an experienced PKI professional to define and implement our key management strategy in line with current industry best practices. You should be knowledgeable of modern key management systems and practices, and comfortable working with internal stakeholders and external vendors.
You will report to the head of Woven City Product Security, and the workplace is hybrid (remote and in office). As a tech lead, you will be responsible for delivery of your roadmap items, and will work in close collaboration with the other technical members of the team.
RESPONSIBILITIES
- Define and implement the procedures for managing the PKI systems including key storage, certificate authorities, and certificate lifecycles
- Ensure the availability, performance, and security of the core PKI systems
- Lead cross-functional PKI-related projects such as new deployments, migrations, and upgrades
- Ensure our PKI is compliant with company policies and external standards
- Contribute to the Woven City PKI strategy to support business outcomes
- Manage Japanese and English speaking vendors and partners
MINIMUM QUALIFICATIONS
- Strong knowledge of PKI-related concepts, technologies, and best practices
- Experience with CA tools, management systems, and Hardware Security Modules
- Experience with IT security principles and practices
- Strong knowledge of PKI-related standards such as X.509 and related RFCs
- Track record of creating and maintaining system and operational documentation
- 5+ years of experience in a PKI operations role
- Business-level English and Japanese
NICE TO HAVES
- Experience building Cloud-based software solutions and solid understanding of AWS and IaC concepts
- Experience in automating manual processes using languages such as Bash, Python, Go or Rust
- Experience in a technical lead or management role
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Important Points
・All interviews will be arranged via Google Meet, unless otherwise stated.
・The same job descriptions are available in both English and Japanese; therefore, we kindly ask that you apply to only one version.
・We kindly request that you submit your resume in English, if possible. However, Japanese resumes are also acceptable. Please note that, depending on the English proficiency requirements of the role, we may request an English version of your resume later in the process.
WHAT WE OFFER
・Competitive Salary - Based on experience
・Work Hours - Flexible working time
・Paid Holiday - 20 days per year (prorated)
・Sick Leave - 6 days per year (prorated)
・Holiday - Sat & Sun, Japanese National Holidays, and other days defined by our company
・Japanese Social Insurance - Health Insurance, Pension, Workers’ Comp, and Unemployment Insurance, Long-term care insurance
・Housing Allowance
・Retirement Benefits
・Rental Cars Support
・In-house Training Program (software study/language study)
Our Commitment
・We are an equal opportunity employer and value diversity.
・Any information we receive from you will be used only in the hiring and onboarding process. Please see our privacy notice for more details.