46 Pa. Stat. § 42.101
The Senate shall, at the session immediately following the election of the members of the General Assembly, elect, in addition to the President pro tempore as provided for by the Constitution, a Secretary-Parliamentarian and a Chief Clerk who shall serve for two years or until their successors are elected and have qualified, unless sooner removed by a majority vote of all of the members of the Senate during any regular, special or extraordinary session of the General Assembly.
No person shall hold the position of Secretary-Parliamentarian or Chief Clerk and at the same time hold any elective office in the Commonwealth or any of its political subdivisions or be employed in any capacity by the Commonwealth or any of its political subdivisions.
46 P.S. § 42.101