Senior Data Analyst - quality and error analysis (Charleston, SC)

Bluepeak River Water Authority is looking for a Senior Data Analyst. The job centres on quality and error analysis for water quality, and it would suit someone who likes steady, practical work. Safety and public health guide our decisions. What you will do • Document definitions so numbers mean the same thing everywhere. • Pull and clean data from several systems into one trustworthy dataset. • Answer ad-hoc questions with a short written summary, not a data dump. • Build dashboards that managers actually open every week. • Recommend changes and measure whether they worked. What we are looking for • The habit of checking a surprising number before presenting it. • Experience with a BI tool such as Power BI or Tableau. • Strong SQL and spreadsheet skills. • Clear writing. Nice to have • Experience with data on meter reading. • Python or R for analysis. Working arrangement • Part-time, about 20 hours a week, mornings. • On site in Charleston, with some flexibility after the first few months. • Applications are reviewed on a rolling basis.