Network Engineer

Job Type
Japanese Level
Advanced (JLPT Level 1)
English Level
High Intermediate (TOEIC 730)
Start Date





‐ Layer2に関連する機能(Spanning Tree Protocol, VLANs and trunk (802.1q), link aggregation, Power-Over-Ethernet and 802.1x 等)の設計・構築・管理/運用
‐ 複雑なルーティングプロトコル(OSPF, BGP, GRE tunnels, Router redundancy (VRRP, HSRP), Quality of Service (QOS), Network address translation (NAT), VRF/Routing Instance、Redistribution 等)の設計・構築・管理/運用
‐ WANに関連する機能( MPLS (VRF/Routing Instance)、VPLS、DMVPN、IPSec、Point-to-Point、等)の設計・構築・管理/運用
‐ VoIP( Cisco CUCM/CUC, Voice gateway, CUBE SIP proxy等)の設計・構築・管理/運用
‐ Video conferencing(Polycom Endpoint/RPAD/DMA/RMX, Cisco Telepresence等)の設計・構築・管理/運用
‐ Network Security アプライアンス(NG Firewall (Policy, Zone, IPS/IDS, DMZ等) Riverbed, F5 LTM/GTM, RSA, SSL-VPN等)の設計・構築・管理/運用。またRadius 認証やNetwork admission control (802.1x)等の高度な知識を有している
‐ 無線LAN(Aruba, Cisco等)の設計・構築・管理/運用
‐ 新規WAN回線手配、管理、トラブルシューティングまた既存回線撤去等
‐ Network/logモニタリングツール(Nagios, PRTG, solar winds, SPLUNK等)を用いたネットワークシステム管理/運用
‐ Network configuration管理ツール(CAT tools, Net MRI等)を用いたネットワークシステム管理/運用
‐ ネットワークプロトコル(1Q, 802.1x, IP, TCP, UDP, DNS, HTTP/HTTPS, FTP, SMTP, SMB/CIFS, Kerberos, LDAP, RADIUS, SNMP, NTP 等)に対する高度な理解及びパケットキャプチャを用いて障害原因追及を実施できるスキル
‐ ネットワークシステムに関するITポリシー、手順書、マニュアル等の作成・維持・運用
‐ ネットワークシステムに対する定期的なUpdateやPatch等の実施
‐ その他関連業務への対応
‐ 24/365のオンコール対応(年に1回ないしは2回程度)


Global Energy Company is searching for a network administrator. The candidate will help maintains network environment including Tokyo/Singapore Data Center and 3rd Party cloud by identifying network requirements; installing upgrades; monitoring network performance.

‐ Design, install and maintain LAN switch and configure features such as Spanning Tree Protocol, VLANs and trunk (802.1q), link aggregation, Power-Over-Ethernet and 802.1x.
‐ Design, install and maintain Routers and configure complex routing protocols such as OSPF, BGP, GRE tunnels, Router redundancy (VRRP, HSRP), Quality of Service (QOS), Network address translation (NAT), VRF/Routing Instance.
‐ Design, install and maintain WAN connectivity MPLS (VRF/Routing Instance), VPLS Networks and IPSEC network.
‐ Design, install and maintain VoIP infrastructure such as Cisco CUCM/CUC, Voice gateway, CUBE SIP proxy.
‐ Design, install and maintain Video conferencing infrastructure such as Polycom Endpoint/RPAD/DMA/RMX, Cisco Telepresence.
‐ Design, install and maintain Network Security Appliances such as NG Firewall (policy, zone, IPS/IDS) Riverbed, F5 LTM/GTM, RSA, PulseSecure SSL-VPN, . Solid knowledge for Radius authentication, Network admission control (802.1x).
‐ Design, install and maintain Wireless infrastructure such as Aruba, Cisco.
‐ Coordinate with ISP for requesting and installation new circuits, maintaining, troubleshooting and monitoring existing circuits and terminating or decommissioning circuits as required. And assist in billing issues.
‐ Design, install and maintain network/log monitoring tools such as Nagios, PRTG, solar winds, SPLUNK.
‐ Design, install and maintain network configuration management tools such as CAT tools, Net MRI.
‐ Professional level understanding of network protocols such as 802.1Q, 802.1x, IP, TCP, UDP, DNS, HTTP/HTTPS, FTP, SMTP, SMB/CIFS, Kerberos, LDAP, RADIUS, SNMP, NTP including the ability to identify root cause of illusive problems through packet capture analysis.
‐ Develops and implements IT Policies & Procedures that documents the procedures of using IT related services/devices, such as usage of wireless access, mobile devices and disposal of IT equipment.
‐ Documents IT Manual relating to IT related equipment, network configuration, network diagram and the processes.
‐ Performs regular updates and patches on related computers and hardware, such as Routers, Switches and Voice Gateway.
‐ 24/7 On call (once or twice a year )

【会社概要 | Company Details】
Foreign-affiliated national petroleum and natural gas company.

【就業時間 | Working Hours】
9:00 - 17:30(Mon - Fri)

【休日休暇 | Holidays】
Saturday, Sunday, and National Holidays, Year-end and New Year Holidays, Paid Holidays, Other Special Holidays

【待遇・福利厚生 | Services / Benefits】
Social insurance, Transportation Fee, Skillhouse Benefit

Required Skills

‐ 5年以上のネットワーク管理者としての経験
‐ CCNP, JNCIP または同等の資格・経験
‐ Asia PacificやGlobal officesへ出張できる方
‐ マルチカルチャーな環境でビジネスを遂行できる方
‐ アジア各オフィスおよび本社との電話やメールでの英語のコミュニケーション
‐ MS office(Outlook, Word, Excel, PowerPoint)等
‐ 組織内全レベル(一般職からマネージメント層等)との適切なコミュニケーション
‐ 積極的な態度(“can do”)
‐ 指示待ち姿勢ではなく、自ら発見し行動でき、Timelyに業務を遂行する方
‐ チームプレイヤー
‐ 変化への柔軟な対応

‐ Minimum of 5 years' experience as a network administrator
‐ CCNP, JNCIP certification or equivalent
‐ Willing to work with and travel to Asia Pacific and Global offices as needed
‐ Willing to work in multi culture environment
‐ Must be able to communicate and comprehend English accurately, clearly and concisely at a level required to perform the job as outlined
‐ Proficiency in software application such as MS office applications (Outlook, Word, Excel, PowerPoint) is required
‐ Positive in attitude; "can do" mentality to all tasks
‐ Able to work independently in a timely manner
‐ Good communicator at all organization levels, from executives to line staff, clear, concise, and personable
‐ Team player; your success is our success, team success is my success mentality

Preferred Skills

‐ Cisco CCNA-Voice または同等の資格
‐ Juniper(JUNOS)製品の経験
‐ Server and Virtual Environment (VMWare)の管理経験
‐ AWS, Azure, Office365等のクラウドサービス構築・管理経験

‐ Cisco CCNP-Voice or equivalent
‐ Juniper products experience
‐ Experience with Server and Virtual Environment (VMWare) administration
‐ Experience with Cloud environment design and implementation such as AWS, Azure, Office365