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シニアシステムエンジニア/ Sr System Engineer

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A global computer security services company is looking for a Sr System Engineer. The selected candidate will provide pre-sales technical support, deliver product and solution presentations, lead proof-of-concept activities, and support customers and channel partners through training and troubleshooting.

Responsibilities:

  • Support assigned accounts and channel partners with technical and sales activities
  • Deliver technical, product, solution, and demo presentations to customers, partners, and prospects
  • Assist in developing sales plans and proposals for qualified opportunities
  • Lead proof-of-concept testing, technical solution drafting, and competitor analysis
  • Prepare training materials, promotional documents, and technical content for internal and external use
  • Provide remote and on-site technical support and troubleshooting for customers and key accounts

Requirements:

  • Bachelor’s degree or equivalent in EE or CS
  • More than 8 years of related industry experience
  • More than 5 years of experience in Pre-sales role
  • Experience in Application Delivery Controller, Enterprise Applications, or Network Security
  • Prior Scripting programming experience in Shell or TCL
  • Proven Unix/Linux technical experience
  • Background with container orchestration solutions (OpenShift, Kubernetes)
  • Understanding of Layer-4-7 protocols and technologies (TCP, UDP, HTTP, DNS and SSL/TLS)
  • Skilled in L2/L3
  • Understanding in multiple areas of specialisation (Virtualisation, Cloud- Native, Application Acceleration, DDOS mitigation, IPv4 Preservation/IPv6 Migration technologies, Traffic Security, and AI)

Preferred requirements:

  • Experience with below products/experiences is ideal:
    -Routers including L2/L3 switches, including BGP/OSPF
    -Carrier Grade NAT/CGN
    -Virtual Machine environment such as VMware/Xen/KVM
    -F5 Product line/Citrix Netscaler product line
    -Radware product line
    -Broadcom ProxySG related product line
    -Firewall products such as Juniper/Fortinet product line
    -Cloud related Solution using such as Azure/Google/Amazon
  • Possess valid A10 Certified professional, CCNA / CCNP / CCIE, JNCIA, JNCIP, F5 201/301/401, Palo Alto / Fortinet certified engineer certification

About the Company:

A global computer security services provider serving customers in all industries worldwide. Many of its customers are Fortune 500 global companies. Its core business is to provide the most secure and highly available digital experiences.

Keywords:

ソフトウェア, プログラミング, IT, 技術職, 求人, 外資系

Job Ref: 56HFMD

Contract Type: Perm

Specialism: Information Technology

Focus: IT Management

Industry: IT

Salary: ¥11,000,000 - ¥15,000,000 per annum

Workplace Type: On-site

Experience Level: Senior Management

Location: Tokyo

Job Reference: 56HFMD-97A164A6

Date posted: 31 March 2026

Consultant: Cem Ertul