analyst; assayer
Refers to a person whose job is to analyze something, often in a formal or official capacity. The cross-reference to 分析者 suggests a similar meaning, but 分析官 may imply a more official or titled role.
See also: 分析者
He works as a government analyst.
The analyst examined the data in detail.
Compound of 分析 (analysis) and 官 (official, government position). The exact historical derivation is uncertain, but the word likely emerged in modern Japanese to denote an official analyst role.