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Sumitomo Metal Mining

# プラントエンジニア（機械）シニアスタッフ(主任クラス)～担当マネージャー

Listed on Sumitomo Metal Mining’s official careers site. Listed as of October 20, 2026. Check that it is still open and apply there.
[Apply on Sumitomo Metal Mining’s careers site →](https://hrmos.co/pages/smm-mid-career/jobs/0000008)

[OpenNash Jobs](https://jobs.opennash.com/) / [Sumitomo Metal Mining](https://jobs.opennash.com/companies/sumitomo-metal-mining/) / プラントエンジニア（機械）シニアスタッフ(主任クラス)～担当マネージャー

The employer’s listing has no description we could read. See it on their site.

## At a glance
- Posted by the employer: Not stated
- First seen by OpenNash: Oct 13, 2026
- Last checked: Oct 20, 2026
- Listed for: 7 days[Apply on Sumitomo Metal Mining’s careers site →](https://hrmos.co/pages/smm-mid-career/jobs/0000008)

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Dates come from the employer where stated; “first seen” and “last checked” are our own observations.

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