Clifford Jagodzinski, a former complex risk officer at Morgan Stanley Smith Barney, the bank’s wealth management arm, sued Morgan Stanley in federal court on Wednesday, alleging that the firm violated the Dodd-Frank Act by firing him in April 2012 for being a whistleblower.

Jagodzinski worked at the wealth management firm for six years. He is demanding his job back, at least $1 million in compensation and payment for legal fees.

Morgan Stanley plans to fight the lawsuit in court. “We believe the complaint is without merit and we intend to vigorously defend ourselves,” Christine Jockle, a spokeswoman for Morgan Stanley Smith Barney, said in a statement.

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