技師|ぎしgishi[1]atamadaka (head-high)

1. nounengineer; technical officer
   トムは電気でんき技師ぎしです。↗

   Tom is an electrical engineer.

• Synonym技術者ぎじゅつしゃNeutralGeneral term for anyone working in a technical field, leaning toward written style; 「技師」 is mostly a professional title, as in 「放射線技師」.
• SynonymエンジニアNeutralLoanword for engineer, common in IT and manufacturing; 「技師」 tends to be a qualification or title in medical and public-service fields.
• Related技手ぎしゅWrittenOld title for an assistant engineer serving under a 「技師」; rarely used today.
• Related技術屋ぎじゅつやCasualColloquial, slightly self-deprecating or jocular term for someone who does technical work; in formal contexts say 「技術者」.

「技師」 is a professional title or qualification, mainly in medical and government contexts. For technical workers in general use 「技術者」; in IT and manufacturing, 「エンジニア」 is common. 「技術屋」 is a colloquial, slightly self-deprecating self-reference.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 専門的せんもんてきな技術ぎじゅつを職業しょくぎょうとする人ひと。技術者ぎじゅつしゃ。
2. もとは技能ぎのうを専門せんもんとする官吏かんり。技官ぎかん。