also: エスイー
systems engineer
Common abbreviation in IT job titles; refers to a person who designs and manages computer systems.
彼は大手IT企業でＳＥとして働いている。
He works as a systems engineer at a major IT company.
Refers to the field or discipline, not a person. Often used in academic or technical contexts.
大学でＳＥを専攻しました。
I majored in systems engineering at university.
sales engineer
A technical sales role that combines engineering knowledge with customer-facing skills. Less common than the systems engineer sense.
ＳＥとして顧客に技術的な提案を行った。
As a sales engineer, I made technical proposals to clients.
Used in media production, gaming, and audio contexts. Often seen in credits or technical discussions.
このゲームのＳＥはとてもリアルだ。
The sound effects in this game are very realistic.
He became a systems engineer after graduating from university.
アニメの場面にＳＥを入れた。
They added a sound effect to the anime scene.
サウンドエフェクト is the full term for a sound effect, while ＳＥ is the shorthand used in media and gaming credits.
Abbreviation derived from the initial letters of English terms: Systems Engineer, Systems Engineering, Sales Engineer, and Sound Effect.