This article describes the design and development of an English for Specific Purposes (ESP) course for eight Indian telecommunications engineers working for a global medical diagnostics company. These professionals, who have pre-intermediate English competence, require better language abilities for effective technical communication in foreign settings. The course, which follows a problem-based learning (PBL) approach, incorporates authentic problems, targeted vocabulary education, and interactive assessments to help participants improve their communication skills in their professional domain. Based on relevant ESP literature, this paper examines requirements analysis processes, course design reasoning, evaluation strategies, and the incorporation of real-world materials, demonstrating how theory and practice meet in a highly contextualized ESP setting.  

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