In total of 7 yrs of career I have worked as software engineer, sr. software engineer and team lead where I was more into technical stuff. But now I have been hired as system analyst and my most of the work is related to documentation like writing project/executive summary, scope of work, introduction, system overview etc. In this role, I am facing problem in writing skills and specifically "english skills". Its getting difficult to elaborate a technical understanding in non-technical jargon with the selection of right words/vocabulary. Sometimes, I felt short of words and repetitions occurs when it comes to define same functionality in same document
I think, I need to enroll myself in some english language course which could help me improve my english language and documentation skills.
So, please suggest which course is suitable for my purpose, and how can I improve/develop the required skills
You can enroll yourself into livemocha type of websites for language learning. In technical writing, people are often required to know other languages as well.
Specifically, I can't recall any language course/website for your needs.