Md. Code, Business Occupations and Professions § 14–506

(a) Except as otherwise provided under this section, an individual whose license has been suspended or revoked under § 14-317 of this title may not practice engineering in any manner as:

(1) an associate, agent, employee, or other subordinate of a professional engineer; or

(2) a principal, associate, agent, employee, or other subordinate of a corporation or partnership that provides engineering services.

(b) The prohibition set forth under subsection (a) of this section does not apply to an individual while practicing engineering:

(1) as an officer or employee of the federal government, as provided under § 14-301(b)(1) of this title;

(2) as an employee of a regulated utility company, as provided under § 14-301(b)(2) of this title; or

(3) as an officer or employee of a corporation, subject to the conditions provided under § 14-302 of this title.