Ohio Rev. Code § 1501.05
All chiefs of divisions in the department of natural resources shall be appointed by the director of natural resources. The chiefs of those divisions may be removed by the director.
The chief engineer of the department of natural resources shall be a professional engineer registered under Chapter 4733. of the Revised Code or a professional architect certified and registered under Chapter 4703. of the Revised Code.
The chief of each division and the chief engineer, with the advice and consent of the director, may employ such number of technical and administrative assistants as are necessary.
All employees of the department, unless specifically exempted by law, shall be employed subject to the classified civil service laws in force at the time of their employment.
R.C. § 1501.05