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Senior Technical Support Engineer - Cortex

Japan, Chiyoda, Tokyo · Job Posted January 15, 2026
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Job Description

You will work firsthand with our valued customers to address their complex post-sales concerns where analysis of situations or data requires an in-depth evaluation of many factors. You’re a critical thinker in understanding the methods, techniques, and evaluation criteria for obtaining results. You’ll enjoy networking with key contacts outside your own area of expertise, with a strong capability of detailing difficult technical issues to both non-technical and technical professionals. You will regularly participate in technical discussions with multi-functional teams, creating an environment of transparency that ultimately leads to better products, better working environments, and better cybersecurity. Your quick thinking and support to our clients provides the fast assistance they need to keep their environments secure – which means you’ll need to move quickly, thoughtfully, and provide technical assistance as needed (often, in high pressure situations).

Job Responsibility

  • Provide Technical Support to customers and partners
  • Provide technical services include writing scripts, troubleshooting and best practices to customers
  • Manage support cases to ensure issues are recorded, tracked, resolved, and follow-ups are completed in a timely manner
  • Provide fault isolation and root cause analysis for technical issues
  • Publish Technical Support Bulletins and other technical documentation in the Knowledge Base
  • Review of technical documentation for training materials, technical marketing collateral, manuals, troubleshooting guides, etc.
  • Provide configurations, troubleshooting and best practices to customers
  • Work with our Engineering team and influence the operability of the product
  • Participate in regular weekend on-call rotation and provide after-hours support on an as-needed basis
  • Able to effectively communicate to all levels and stakeholders - internally and externally on complex technical issues
  • Travel to customer sites in the event of a critical situation to expedite resolution as required
  • Provide support that includes mandatory weekend, holiday shift work and on-call support

Requirements

  • 5+ years of relevant support experience
  • Required experience with supporting EndPoint software products
  • Required strong experience with Windows OS, Linux OS and macOS based applications (Installation, troubleshooting, Debugging)
  • Experience with Android OS, iOS based applications (Installation, troubleshooting, Debugging)
  • Strong experience with MS environment (GPO, Active Directory)
  • Experience with EndPoint security software is a plus (Antivirus, IDS/IPS, DLP)
  • Knowledge of SIEM, vulnerability management tools and firewalls
  • Experience understanding malware, exploits, operating system structure and behavior
  • Experience with batch scripting and Python is a plus
  • Strong ability to independently troubleshoot, reproduce issues and identify feasible workarounds in broad, complex, and unique environments with mixed applications and protocols required
  • Knowledge of Cloud infrastructure a plus
  • Knowledge of VDI (VMWare Horizon, Citrix XenApp and XenDesktop) is a plus
  • BS/MS or equivalent experience required
  • Professional Japanese (at least N1)

Nice to have

  • Experience with EndPoint security software (Antivirus, IDS/IPS, DLP)
  • Experience with batch scripting and Python
  • Knowledge of Cloud infrastructure
  • Knowledge of VDI (VMWare Horizon, Citrix XenApp and XenDesktop)

What we offer

  • FLEXBenefits wellbeing spending account with over 1,000 eligible items
  • Mental and financial health resources
  • Personalized learning opportunities

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