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Updated 2025-04-28
Activated 2025-04-22

[Infrastructure Engineer] A wide variety of projects including entertainment business and cloud business★We are proud of the good environment such as good ventilation, human relations and working hours★
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This posting is managed by: iHOLON Co.,Ltd
Company Name Company is not publicly visible
Job Type
iHOLON Co.,Ltd
IT (Hardware/Network) - Server Architect and Developer
Location Asia Japan Tokyo

Job Description ①Business details
Focusing on system development for websites and smartphone apps, as well as the development of core and business systems.
We handle a wide range of projects.
We have handled many prime projects, including well-known toy manufacturers and major domestic telecommunications companies.
In many cases, we undertake the entire process from requirements definition to delivery.

②Company characteristics
We develop systems for creating websites and smartphone apps.
・System development
Various system development using a website as an interface/Framework mainly based on PHP/Scratch development
CMS and other open source customization and plug-in development/smartphone application development

・WEB promotion planning/design
Customer journey map creation support/promotion tool selection/operation support

・Video production
Video/still image shooting/various video editing
(promotional video production/recruitment video/instruction video/in-house training video, etc.)

・WEB production
Visual design/UI/UX/coding/CMS implementation such as Wordpress, Concreat5, baser-CMS, etc.

③ Company culture ★★★
We are making full use of chat work, Slack, Zoom, etc., and are also flexibly utilizing remote work from time to time.
As a result, development efficiency has improved, and we have recently succeeded in building a system in which overtime is almost never required.
Of course, the face-to-face style is also used in situations where you want to meet and talk properly.
We will also be flexible with your work style! !

[Work details]
Operation and maintenance of customer router monitoring system
・Corrected the trap log conversion software due to changes in router specifications
→ Outline design associated with software modification, creation of unit test test code,
We also include integration tests, comprehensive tests (performance tests), and release procedure manual creation.
・Response to the release of modified software (if the downtime is long, support may be provided overnight)
・Scale out when capacity increases (server addition)
・Investigating the cause of monitoring abnormalities (log analysis)
・Investigating the cause of server abnormalities and responding to failures (possibly available on holidays and at night)
・Report on accommodation status (aggregation using SQL, Excel, etc.)
・Verification environment construction (server construction, network construction (if possible))
・There is a possibility that we will be required to consider gradual automation of release work and server expansion.

[Future skill set]
Eventually, I hope to grow into an engineer who can do the following!
★This is a career that aims to be a dual-wielding skill in infrastructure operation and development, which is a trend these days★

Infrastructure:
・Simple infrastructure knowledge (LinuC level 1 level)
→ Experience with UNIX commands
・Experience building Linux servers including virtual machines and containers, etc.
・Understanding cloud security
Network:
・Simple network knowledge
　　　→Easy usage of ping, traceroute, tcpdump, wireshark
・SNMP knowledge
・Knowledge related to the configuration and operation of Cisco equipment
Cluster software: pacemaker+heartbeat
language:
・C(Convert SNMP trap log to Zabbix data,
Used for sending traps to the upper system)
・PHP (used in web front end and tools)
・bash (used for simple tools, etc.)
・python (fabric is used for module distribution during software release)
SNMP library: Net-SNMP
　OS: CentOS
DB: PostgreSQL
Monitoring software: Zabbix
Company Info Capital: 10,000,000 yen
Number of employees: 10 ~ 30 people
Listed: Unlisted
Established: 2005
Job
Requirements		 ■Required conditions
・Experience with UNIX commands
・LPIC Level 1 qualification
・Over 2 years of infrastructure operation and maintenance experience (or development experience if necessary)
*Foreign nationals can only apply if they have no problems with Japanese conversation skills.
Japanese Level Fluent(JLPT Level 1 or N1)
Salary JPY - Japanese Yen JPY 3000K - JPY 8000K   
Other Salary
Description		 Salary details:
Estimated annual income: 3.5 million yen to 8 million yen (including those with less than 1 year of experience)
*The above includes 20 hours of fixed overtime.

[Example of salary breakdown] Basic salary: 250,000 yen
・Fixed overtime pay (30,000 yen/20 fixed overtime hours) *Excess amount will be paid separately
By the way, our company provides special time allowance through deemed overtime.



Trial period: 6 months

Welfare benefits:
・Overtime allowance
・Childbirth and childcare support (childbirth and childcare lump-sum allowance, shortened working hours, etc.)
・Nursing care support (limited working hours, reduced working hours, etc.)
・Insurance: Health insurance, welfare pension, employment insurance, workers' compensation insurance
・Defined contribution pension plan available
Job Contract
Period		 [full-time employee]
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