Federal Scientists and Engineers: 1998–2002.

Section C. Crosswalk of National Science Foundation's and Office of Personnel Management's Occupational Categories



SESTAT Major and Minor Groups OPM Occupation Codes
Detail Level
1.0 Computer and Mathematical Sciences
1.1 Computer and information sciences 334 Computer specialists (those individuals = or > GS-12 or equivalent)
1550 Computer scientists (those individuals = or > GS-15 or equivalent)
1550 Computer scientists (those individuals < GS-15 or equivalent)
1670 Equipment specialists
1.2 Mathematical sciences 1515 Operations research analysts
1520 Mathematicians
1529 Mathematical statisticians
1530 Statisticians
1540 Cryptographers
1541 Cryptography analysts
1.8 Postsecondary teachers- Computer & mathematical sciences
2.0 Life and Related Sciences
2.1 Agricultural and food sciences 28 Environmental protection specialists
405 Agricultural extension specialists
437 Horticulturalists
454 Range conservationists
457 Soil conservationists
470 Soil scientists
471 Agronomers
487 Animal scientists
2.2 Biological sciences 401 Biological scientists, general
403 Microbiologists
405 Pharmacologists
408 Ecologists
410 Zoologists
413 Physiologists
414 Entomologists
415 Toxicologists
430 Botanists
434 Plant pathologists
435 Plant physiologists
440 Geneticists
482 Fishery biologists
486 Wildlife biologists
2.8 Postsecondary teachers- Life & related Sciences
3.0 Physical and Related Sciences
3.1 Chemistry, except biochemistry 1320 Chemists
3.2 Earth science, geology & oceanography 1310 Physicists
1313 Geophysicists
1315 Hydrologists
1330 Astronomers and space scientists
1340 Meteorologists
1350 Geologists
1360 Oceanographers
1372 Geodesists
3.4 Other physical sciences 1301 Physical scientists, general
1306 Health physicists
3.8 Postsecondary teachers- Physical & related sciences
4.0 Social and Related Sciences 110 Economists
135 Foreign agricultural affairs analysts
1140 Trade specialists
1146 Agricultural market specialists
1147 Agricultural market analysts
2110 Transportation industry analysts
4.2 Political science and related sciences 130 Foreign affairs analysts
131 International relations specialists
4.3 Psychology 180 Psychologists
4.4 Sociology and anthropology 184 Sociologists
190 General anthropologists
4.5 Other social sciences 101 Social scientists, general
106 Unemployment insurance specialists
132 Intelligence specialists
136 International cooperation specialists
140 Manpower research analysts
150 Geographers
160 Civil rights analysts
193 Archeologists
1730 Education research analysts
4.8 Postsecondary teachers- social & related sciences
5.0 Engineering
5.1 Aerospace and related engineering 861 Aerospace engineers
5.2 Chemical engineering 893 Chemical engineers
5.3 Civil and architectural engineering 810 Civil engineers
5.4 Electrical, electronic, computer & communications engineering 850 Electrical engineers
854 Computer engineers
855 Electronics engineers
5.5 Industrial engineering 803 Safety engineers
804 Fire prevention engineers
896 Industrial engineers
5.6 Mechanical engineering 830 Mechanical engineers
5.7 Other engineering 801 Engineers, general
806 Materials engineers
819 Environmental engineers
840 Nuclear engineers
858 Biomedical engineers
871 Naval architects
880 Mining engineers
881 Petroleum engineers
890 Agricultural engineers
892 Ceramic engineers
894 Welding engineers
1321 Metallurgists
5.8 Postsecondary teachers - Engineering


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