Sekai de Yuiitsu no Tenshokushi: Job Hopper na Ore wa, Isekai de Subete no Job wo Kiwameru Koto ni Shita @COMIC

Tsukasa is a salaryman who keeps changing jobs in search of better conditions. After a challenging final interview with a large company, he found himself transported to another world. He is disheartened as his past work experience is completely useless....... However, he was given the unique ability "Job Changer" instead! With the power to switch freely to any class, including swordsman, sorcerer, lancer, alchemist, appraiser, and pharmacist, he begins a comfortable life in another world. He is equally skilled at sorcery, cooking, and fighting, even when dealing with demons! From medicinal herbs to magical items, he makes effective use of his abundant knowledge! He also demonstrates his adaptability, helping people and earning money along the way! This is the start of a career-building fantasy where a smart company man makes full use of all the different jobs available!

(Source: Corona Ex, translated)