Network Support

勤務地 東京都
業界・業種 IT
契約タイプ Permanent
給料 Negotiable
参照番号 53718

Overview:
A global technology services and consulting firm is seeking a Network Engineer with expertise in SD-WAN administration. The role involves managing enterprise-level production network environments, supporting critical business applications, and leading technical operations in data center and branch network infrastructures.

Key Responsibilities:

  • Manage production network environments supporting 100+ users.

  • Oversee data center network operations for business-critical and mission-critical applications.

  • Handle escalated incidents and high-priority support tickets.

  • Assess risks and impacts, and participate in major infrastructure changes.

  • Develop performance reports and dashboards; support capacity planning.

  • Lead technical teams and manage vendor relationships.

  • Support technical transitions and maintain thorough documentation.

  • Design, migrate, and upgrade existing network infrastructure.

Technical Skills:

Required:

  • Strong experience in SD-WAN configuration and administration.

  • Expertise in designing, configuring, and implementing data center and branch networks using Nexus, Layer 2/3 switches.

  • Proficient in LAN and data center networking technologies (Gigabit Ethernet, VLANs, STP, VTP, etc.).

  • Advanced knowledge of routing protocols (RIP, EIGRP, OSPF, BGP).

  • Experience with wireless infrastructure (WLC/AP), including operational support and configuration.

  • Familiarity with Cisco ACI, NSX, SDN, SDA, and DNAC technologies.

  • Network security experience with firewalls (Cisco ASA/Firepower, Palo Alto), and identity services (ISE).

  • Understanding of DNS, DHCP, NTP, and wireless technologies (Cisco/Aruba).

  • Experience with platforms such as Cisco Nexus, F5 BigIP, Infoblox, Riverbed, and Cisco WLS.

  • Ability to configure and troubleshoot network optimization tools (e.g., Riverbed, Cisco WAAS).

Preferred:

  • Experience in wireless network design and implementation.

Qualifications:

  • 1–3 years of experience in network engineering with a focus on SD-WAN.

  • Strong documentation and communication skills.

  • Ability to lead technical teams and manage transitions from onsite to offshore environments.