Software Development Engineer (Security features) - Kawasaki

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Software Development Engineer (Security features) - Kawasaki

Japan

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Job Info

• Job Identification23009
• Job CategorySoftware Development
• Posting Date05/18/2026, 09:04 PM
• LocationsJapan
• Job ScheduleFull time

Job Description

Location: Kawasaki (Japan)

Join Fortinet, a cybersecurity pioneer with over two decades of excellence, as we continue to shape the future of cybersecurity and redefine the intersection of networking and security. At Fortinet, our mission is to safeguard people, devices, and data everywhere. We are currently seeking a dynamic Software Development Engineer to contribute to the success of our rapidly growing business.

As a Software Development Engineer, you will

• Act as a member of the Software Development Department, be responsible for software development of LAN switch products.
• Work with internal teams to investigate current and future architectures, requirements, and technology needs.
• Be responsible for one or more security and related software functions/modules embedded in the product, and develop them through basic design, detailed design, coding, testing, and bug fixing.
• Work cross-functionally with software development, hardware development, and quality assurance to deliver high-quality products.
• Proactively participate in solving technical and complex issues.
• Research and apply new technologies and tools relevant to product development.

We Are Looking For

An insightful and influential collaborator to join our team. We encourage you to apply for this position if you have the following qualities:

• 3+ years of software development experience in the IT/software industry.
• Experience in UNIX software development using the C programming language.

‒ Experience with Python or other programming languages is a plus.

• Knowledge and development experience in security-related technologies, including:

‒ User communication encryption and key exchange technologies such as MACsec

‒ User authentication technologies such as Captive Portal, IEEE 802.1X authentication, and MAC authentication.

‒ Device attack detection technologies such as tamper detection.

‒ Knowledge of encryption technologies.

• Ability to investigate and analyze Linux kernel and modify source code when defects are identified.
• Basic knowledge of networking, including Layer 2 and Layer 3 technologies, and basic operation and configuration of network switches.
• Experience in one or more of the following areas (experience in all areas is not required):

‒ Experience in building development environments

‒ Experience in implementing vulnerability countermeasures based on information from CERT and other sources.

‒ Experience developing with chip vendor SDKs

‒ Experience developing hardware control for embedded devices

‒ Experience developing system management for embedded devices

‒ Experience developing user interface and business logic applications for embedded devices

‒ Knowledge and experience with switch chips in network equipment

‒ Knowledge and experience with BIOS and Bootloader technologies

‒ Knowledge and experience with Layer 2 network protocols

‒ Knowledge and experience with Layer 3 network protocols

‒ Knowledge and experience with network switch security features

‒ Knowledge and experience with technologies such as REST API, NETCONF, SNMP, Telemetry, ansible, etc.

• Smooth communication and negotiation with stakeholders.
• Team-oriented mindset.
• Strong curiosity about new technologies.
• A passion for developing high-quality products.
• Native-level Japanese proficiency.
• Ability to read and understand English technical documents, and communicate in English via email

‒ Spoken English communication skills are a plus.

Why Join Us

At Fortinet, we embrace diversity and inclusivity. We encourage applications from diverse backgrounds and identities. Explore our welcoming work environment designed for a rewarding career journey with an attractive Total Rewards package to support you with your overall health and financial well-being. Join us in bringing solutions that make a meaningful and lasting impact to our 660,000+ customers around the globe.

We will only notify shortlisted candidates.

Fortinet will not entertain any unsolicited resumes, please refrain from sending them to any Fortinet employees or Fortinet email aliases. Should any Agency submit any resumes to Fortinet, these resumes if considered, will be assumed to have been given by the Agency free of any related fees/charges.

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