She, however, noted that review for other public officers at the lower level will continue taking into account the existing contractual agreements.
The proposal comes as protests take place countywide for President William Ruto to resign for reasons including funds wastage by his government, wanton corruption, and excessive taxation.
"The intention is to divert public attention from the real issues by purporting to adjust the salaries of senior state officers, members of parliament, members of county assemblies, and governors upwards at a time when the country's economy is not doing well," Azimio co-principal Kalonzo Musyoka claimed.
The SRC says employers should not entertain any proposals for higher pay if they cannot afford it.
Mengich emphasised the importance of retaining the current retirement age, citing concerns over increased pensionable liabilities and the premature disposal of experienced employees.