Sebastian Gomez Abero was in private practice for three years between earning his J.D. at Northwestern University School of Law in 2004 and joining the U.S. Securities and Exchange Commission.Other law graduates, he said, use the SEC as a jump-off to private-sector careers in securities law.Either way, law students interested in the financial world would be wise to consider some time at the SEC, Gomez said.“The SEC puts (new attorneys) in the midst of cutting-edge questions about how things should be done with …