U.S. Federal Government (non-Defense) / Environmental Protection Agency / Data Science Series

Job-title file

Data Science Series

Collect and analyze data to inform decisions, produce reports, and identify trends.

12 employees hold this title in Environmental Protection Agency. Median total compensation for the role is $105,365, below the department median of $139,521.

Employees: 12
Total payroll: $1.4M
Role median: $105,365
Agency median: $139,521
Comparison: Below

What the records show

Role pay distribution

Pay distribution for this role

$69,923$200,710+

Hover a bar for its range; click to filter the list below.

How total compensation varies among the 12 people in this role. Even for one job title, pay differs with seniority, step, overtime, and tenure. Each bar is a pay range; the far-right bar collects the highest earners.

Compare departments

This role across U.S. Federal Government (non-Defense)

Data Science Series is held in 39 U.S. Federal Government (non-Defense) departments. In Environmental Protection Agency, the median of $105,365 ranks #35 of 39.

Highest-paying departments for this role

Commodity Futures Trading Commission

$254,281 · 2

Securities and Exchange Commission

$237,596 · 4

Federal Housing Finance Agency

$203,678 · 3

Consumer Product Safety Commission

$197,200 · 1

Federal Deposit Insurance Corporation

$191,314 · 40

National Science Foundation

$189,950 · 5

Fed Retirement Thrift Investment Board

$177,497 · 2

Corporal for National and Community Service

$172,092 · 3

Department of Treasury

$171,562 · 8

Nuclear Regulatory Commission

$163,485 · 10

Federal Communications Commission

$163,104 · 7

Nat Aeronautics and Space Administration

$159,907 · 10

Median total compensation for the Data Science Series role in other U.S. Federal Government (non-Defense)departments (highest first). Each bar links to that department’s page for this role.

Same department

Other job titles in Environmental Protection Agency

Accounting 159
Administration and Office Support Student Trainee 116
Administrative Officer 87
Auditing 160
Biological Science Student Trainee 75
Budget Analysis 213
Chemical Engineering 83
Chemistry 481
Computer Science 17
Contracting 337
Ecology 93
Economist 130
Emergency Management Specialist 20
Engineering and Architecture Student Trainee 37
Engineering Technical 16
Entomology 18
Environmental Engineering 1,601
Environmental Protection Specialist 1,947
Equal Employment Opportunity 35
Facility Operations Services 32
Financial Administration and Program 203
Financial Analysis 46
Financial Management 15
General Arts and Information 67
General Attorney 1,205
General Business and Industry 101
General Engineering 213
General Health Science 175
General Natural Resources Management and Biological Sciences 2,507
General Physical Science 2,811
General Student Trainee 47
Geology 50
Government Information Specialist 92
Grants Management 209
Health Physics 25
Human Resources Management 306
Hydrology 21
Industrial Hygiene 37
Information Technology Management 785
Management and Program Analysis 1,511
Mathematical Statistics 19
Mechanical Engineering 57
Microbiology 50
Miscellaneous Administration and Program 764
Miscellaneous Clerk and Assistant 47
Paralegal Specialist 36
Pharmacology 14
Physical Science Student Trainee 44
Physical Science Technician 13
Program Management 417
Public Affairs 329
Records and Information Management 52
Safety and Occupational Health Management 17
Secretary 59
Security Administration 54
Social Science 228
Statistics 33
Support Services Administration 40
Toxicology 205
Writing and Editing 13

Record list

Employees with this title

Page 1

Leonid Kopylev

Data Science Series/Environmental Protection Agency

2026 total comp

$201,700

Sub-department: Environmental Protection Agency
Base pay: $197,200
Overtime: $0
Other pay: $4,500
Benefits: $0
Total compensation: $201,700
Pay grade: 15
Work city: Washington
Work state: District of Columbia
Middle name: Y.

Source-specific fields

Adjusted Basic Pay (incl. locality): $197,200
Agency Code (OPM): EP
Agency Sub-element Code (OPM): EP00
Basic Pay (before locality): $160,088
Duty Station Code: 110010001
Duty Station State: DC
Length of Service (Years): 28
Occupation Code (OPM): 1560

Leonid Kopylev is a Data Science Series at Environmental Protection Agency based in Washington, District of Columbia. 2026 total compensation came to $201,700. They are classified at grade 15.

John Veresh

Data Science Series/Environmental Protection Agency

2026 total comp

$197,200

Sub-department: Environmental Protection Agency
Base pay: $197,200
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $197,200
Pay grade: 15
Work city: Washington
Work state: District of Columbia
Middle name: S.

Source-specific fields

Adjusted Basic Pay (incl. locality): $197,200
Agency Code (OPM): EP
Agency Sub-element Code (OPM): EP00
Basic Pay (before locality): $160,088
Duty Station Code: 110010001
Duty Station State: DC
Length of Service (Years): 31
Occupation Code (OPM): 1560

John Veresh holds the role of Data Science Series at Environmental Protection Agency based in Washington, District of Columbia. In 2026, their total compensation was $197,200. Their pay grade is 15.

Colleen Rourke

Data Science Series/Environmental Protection Agency

2026 total comp

$140,742

Sub-department: Environmental Protection Agency
Base pay: $140,742
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $140,742
Pay grade: 13
Work city: Philadelphia
Work state: Pennsylvania
Middle name: D.

Source-specific fields

Adjusted Basic Pay (incl. locality): $140,742
Agency Code (OPM): EP
Agency Sub-element Code (OPM): EP00
Basic Pay (before locality): $109,111
Duty Station Code: 426540101
Duty Station State: PA
Length of Service (Years): 28
Occupation Code (OPM): 1560

Colleen Rourke is a Data Science Series at Environmental Protection Agency based in Philadelphia, Pennsylvania. 2026 total compensation came to $140,742. They are classified at grade 13.

Nick Nguyen

Data Science Series/Environmental Protection Agency

2026 total comp

$108,829

Sub-department: Environmental Protection Agency
Base pay: $105,829
Overtime: $0
Other pay: $3,000
Benefits: $0
Total compensation: $108,829
Pay grade: 12
Work city: Washington
Work state: District of Columbia

Source-specific fields

Adjusted Basic Pay (incl. locality): $105,829
Agency Code (OPM): EP
Agency Sub-element Code (OPM): EP00
Basic Pay (before locality): $79,012
Duty Station Code: 110010001
Duty Station State: DC
Length of Service (Years): 2
Occupation Code (OPM): 1560

Nick Nguyen holds the role of Data Science Series at Environmental Protection Agency based in Washington, District of Columbia. In 2026, their total compensation was $108,829. Their pay grade is 12.

Alexandra Berkoff

Data Science Series/Environmental Protection Agency

2026 total comp

$106,515

Sub-department: Environmental Protection Agency
Base pay: $102,415
Overtime: $0
Other pay: $4,100
Benefits: $0
Total compensation: $106,515
Pay grade: 12
Work city: Washington
Work state: District of Columbia
Middle name: M.

Source-specific fields

Adjusted Basic Pay (incl. locality): $102,415
Agency Code (OPM): EP
Agency Sub-element Code (OPM): EP00
Basic Pay (before locality): $76,463
Duty Station Code: 110010001
Duty Station State: DC
Length of Service (Years): 2
Occupation Code (OPM): 1560

Alexandra Berkoff works as a Data Science Series for Environmental Protection Agency based in Washington, District of Columbia. Alexandra earned $106,515 in 2026. Their pay grade is 12.

David Lopez

Data Science Series/Environmental Protection Agency

2026 total comp

$105,915

Sub-department: Environmental Protection Agency
Base pay: $102,415
Overtime: $0
Other pay: $3,500
Benefits: $0
Total compensation: $105,915
Pay grade: 12
Work city: Washington
Work state: District of Columbia

Source-specific fields

Adjusted Basic Pay (incl. locality): $102,415
Agency Code (OPM): EP
Agency Sub-element Code (OPM): EP00
Basic Pay (before locality): $76,463
Duty Station Code: 110010001
Duty Station State: DC
Length of Service (Years): 2
Occupation Code (OPM): 1560

At Environmental Protection Agency, David Lopez serves as a Data Science Series based in Washington, District of Columbia. Their 2026 pay totaled $105,915. They are classified at grade 12.

Niharika Sitomer

Data Science Series/Environmental Protection Agency

2026 total comp

$104,815

Sub-department: Environmental Protection Agency
Base pay: $102,415
Overtime: $0
Other pay: $2,400
Benefits: $0
Total compensation: $104,815
Pay grade: 12
Work city: Washington
Work state: District of Columbia

Source-specific fields

Adjusted Basic Pay (incl. locality): $102,415
Agency Code (OPM): EP
Agency Sub-element Code (OPM): EP00
Basic Pay (before locality): $76,463
Duty Station Code: 110010001
Duty Station State: DC
Length of Service (Years): 1
Occupation Code (OPM): 1560

Niharika Sitomer holds the role of Data Science Series at Environmental Protection Agency based in Washington, District of Columbia. In 2026, their total compensation was $104,815. Their pay grade is 12.

Sarah Thompson

Data Science Series/Environmental Protection Agency

2026 total comp

$101,918

Sub-department: Environmental Protection Agency
Base pay: $101,918
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $101,918
Pay grade: 12
Work city: Philadelphia
Work state: Pennsylvania
Middle name: Elizabeth

Source-specific fields

Adjusted Basic Pay (incl. locality): $101,918
Agency Code (OPM): EP
Agency Sub-element Code (OPM): EP00
Basic Pay (before locality): $79,012
Duty Station Code: 426540101
Duty Station State: PA
Length of Service (Years): 1
Occupation Code (OPM): 1560

Sarah Thompson holds the role of Data Science Series at Environmental Protection Agency based in Philadelphia, Pennsylvania. In 2026, their total compensation was $101,918. Their pay grade is 12.

Marium Mukhtar

Data Science Series/Environmental Protection Agency

2026 total comp

$87,247

Sub-department: Environmental Protection Agency
Base pay: $85,447
Overtime: $0
Other pay: $1,800
Benefits: $0
Total compensation: $87,247
Pay grade: 11
Work city: Washington
Work state: District of Columbia

Source-specific fields

Adjusted Basic Pay (incl. locality): $85,447
Agency Code (OPM): EP
Agency Sub-element Code (OPM): EP00
Basic Pay (before locality): $63,795
Duty Station Code: 110010001
Duty Station State: DC
Length of Service (Years): 1
Occupation Code (OPM): 1560

Marium Mukhtar holds the role of Data Science Series at Environmental Protection Agency based in Washington, District of Columbia. In 2026, their total compensation was $87,247. Their pay grade is 11.

Adnan Choudhary

Data Science Series/Environmental Protection Agency

2025 total comp

$84,601

Sub-department: Environmental Protection Agency
Base pay: $84,601
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $84,601
Pay grade: 11
Work city: Washington
Work state: District of Columbia

Source-specific fields

Adjusted Basic Pay (incl. locality): $84,601
Agency Code (OPM): EP
Agency Sub-element Code (OPM): EP00
Basic Pay (before locality): $63,163
Duty Station Code: 110010001
Duty Station State: DC
Length of Service (Years): 0
Occupation Code (OPM): 1560

Adnan Choudhary is a Data Science Series at Environmental Protection Agency based in Washington, District of Columbia. 2025 total compensation came to $84,601. They are classified at grade 11.

Kinga Bihari

Data Science Series/Environmental Protection Agency

2025 total comp

$72,703

Sub-department: Environmental Protection Agency
Base pay: $69,923
Overtime: $0
Other pay: $2,780
Benefits: $0
Total compensation: $72,703
Pay grade: 09
Work city: Washington
Work state: District of Columbia

Source-specific fields

Adjusted Basic Pay (incl. locality): $69,923
Agency Code (OPM): EP
Agency Sub-element Code (OPM): EP00
Basic Pay (before locality): $52,205
Duty Station Code: 110010001
Duty Station State: DC
Length of Service (Years): 1
Occupation Code (OPM): 1560

Kinga Bihari holds the role of Data Science Series at Environmental Protection Agency based in Washington, District of Columbia. In 2025, their total compensation was $72,703. Their pay grade is 09.

Daniel Dryer

Data Science Series/Environmental Protection Agency

2025 total comp

$69,923

Sub-department: Environmental Protection Agency
Base pay: $69,923
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $69,923
Pay grade: 09
Work city: Washington
Work state: District of Columbia
Middle name: Charles

Source-specific fields

Adjusted Basic Pay (incl. locality): $69,923
Agency Code (OPM): EP
Agency Sub-element Code (OPM): EP00
Basic Pay (before locality): $52,205
Duty Station Code: 110010001
Duty Station State: DC
Length of Service (Years): 0
Occupation Code (OPM): 1560

Daniel Dryer is a Data Science Series at Environmental Protection Agency based in Washington, District of Columbia. 2025 total compensation came to $69,923. They are classified at grade 09.