The Commission dates back to 1954 when Civil Service Commission was established by British Colonial Government following Holmes Commission Report, 1948; Civil Service Commission was advisory to the Governor in matters of appointments; At independence in 1963 it was enshrined in the constitution and renamed Public Service Commission; Independence Constitution had Regional PSC’s but abolished in 1964 following constitutional amendments; It is the oldest Constitutional Commission and its mandate has expanded over the years. The Commission then constituted of a chairman, a deputy chairman and fifteen members all appointed by the President. The Commission, since then, has handled matters of human resource management in the public service especially the civil service and local authorities. Constitution of Kenya, 2010 promulgated on 27th August 2010 reconstituted the Commission with a redefined and expanded mandate and a lean membership.For appointment to this grade, an officer must have a Bachelors degree in Mining and Mineral Processing, Analytical Chemistry or Chemical Engineering from a university recognized in Kenya;   professional registration with a relevant engineering body (e.g. Engineers Registration Board); and  Proficiency in computer-aided design (CAD) and metallurgical software, as well as data analysis. Duties and Responsibilities This is the entry and training grade for this cadre. An officer at this level will work under the guidance of a senior officer. Duties and responsibilities will include:- ensuring metal components meet engineering specifications (tensile strength, hardness, toughness); investigating root causes of metal failure, corrosion, or fatigue in machinery and infrastructure; monitoring and improving extractive metallurgy processes (pyro metallurgy/ hydrometallurgy) and heat treatment procedures; preparing detailed reports on experimental results, material properties, and recommendations for material selection; and mentoring or supervising laboratory technicians and junior metallurgists.