The term mechanical engineer is identified in base64 scheme by the sequence bWVjaGFuaWNhbCBlbmdpbmVlcg==, while the MD5 signature is equal to 97e17e96643ff5b95532f5275baa189f. The ASCII encoding of mechanical engineer in hexadecimal notation is 6d656368616e6963616c20656e67696e656572.