Correct the sentence: I am working as a Busines Analyst in Business planning...

I am working as a Busines Analyst in Business planning and information team (ICSS).
This team support country manager and other senior leaders on various analysis and CMHDB access is required to pull out the reqd data on a monthly basis as CMS or CMk ll only support campaign related queries

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I am working as a business analyst on a business planning and information team (ICSS). This team supports national managers and other senior leaders with various analyses, and CMHDB access is required to extract the required data on a monthly basis, because CMS or CMk ll only support campaign-related queries.