Primary Purpose: The Senior Tax Manager role involves a wide range of responsibilities that includes: (1) providing tax advice, (2) seeking proactive measures to optimize tax positions, (3) timely satisfying all tax compliance requirements, (4) complying with all tax accounting requirements, (5) defending positions upon audit / examination by taxing authorities, and (6) supporting all tax related regulatory matters (rate case filings, data requests, testimony and quarterly compliance filings). We are a Fortune 200 company, 20,000 colleagues strong serving more than 10.7 million customers at six energy companies -- Atlantic City Electric (ACE), Baltimore Gas and Electric (BGE), Commonwealth Edison (ComEd), Delmarva Power & Light (DPL), PECO Energy Company (PECO), and Potomac Electric Power Company (Pepco).