The term efficiency engineer is identified in base64 scheme by the sequence ZWZmaWNpZW5jeSBlbmdpbmVlcg==, while the MD5 signature is equal to 6be6f2ef501912f7e22050b6df9d4f28. The ASCII encoding of efficiency engineer in hexadecimal notation is 656666696369656e637920656e67696e656572.