California / Department of Public Health / Research Scientist IV (Microbiological Sciences)

Job-title file

Research Scientist IV (Microbiological Sciences)

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

7 employees hold this title in Department of Public Health. Median total compensation for the role is $141,667, above the department median of $92,430.

Employees: 7
Total payroll: $860.3K
Role median: $141,667
Agency median: $92,430
Comparison: Above

Compare jurisdictions

Research Scientist beyond California

This role is reported in 6 jurisdictions. In California, the median of $104,459 ranks #2 of 6. See Research Scientist across all of California →

Highest-paying jurisdictions for this role

$109,532 · 158

$96,654 · 395

$80,039 · 10

$73,100 · 13

$60,000 · 7

Median total compensation for comparable Research Scientist roles in other jurisdictions. Titles are matched by normalized name across sources, not identical job classification, and pay is not cost-of-living adjusted. Each bar links to that jurisdiction’s page for the role.

Record list

Employees with this title

Page 1

Paul Park

Research Scientist IV (Microbiological Sciences)/Department of Public Health

2025 total comp

$157,371

Base pay: $156,621
Overtime: $0
Other pay: $750
Benefits: $0
Total compensation: $157,371
Employment type: Full-Time
Union / bargaining unit: R10
Work county: Contra Costa
Middle name: K

Source-specific fields

Base Pay: $12,394
Cs/csu: Cs
Position Number: 5807235612008
Salary Total: $12,828
Total Pay: $157,371

At Department of Public Health, Paul Park serves as a Research Scientist IV (Microbiological Sciences). They work full-time. Their 2025 pay totaled $157,371. Union affiliation: R10.

William Probert

Research Scientist IV (Microbiological Sciences)/Department of Public Health

2025 total comp

$155,333

Base pay: $154,833
Overtime: $0
Other pay: $500
Benefits: $0
Total compensation: $155,333
Employment type: Full-Time
Union / bargaining unit: R10
Work county: Contra Costa
Middle name: S

Source-specific fields

Base Pay: $12,394
Cs/csu: Cs
Position Number: 5807325612001
Salary Total: $12,828
Total Pay: $155,333

William Probert holds the role of Research Scientist IV (Microbiological Sciences) at Department of Public Health. Their status is full-time. In 2025, their total compensation was $155,333. They are represented by R10.

Olivera Marjanovic

Research Scientist IV (Microbiological Sciences)/Department of Public Health

2025 total comp

$144,421

Base pay: $143,696
Overtime: $0
Other pay: $725
Benefits: $0
Total compensation: $144,421
Employment type: Full-Time
Union / bargaining unit: R10
Work county: Contra Costa

Source-specific fields

Base Pay: $11,826
Cs/csu: Cs
Position Number: 5807005612001
Salary Total: $12,122
Total Pay: $144,421

Olivera Marjanovic works as a Research Scientist IV (Microbiological Sciences) for Department of Public Health. Their status is full-time. Olivera earned $144,421 in 2025. Their bargaining unit is R10.

Jayakumar Poovassery

Research Scientist IV (Microbiological Sciences)/Department of Public Health

2025 total comp

$141,667

Base pay: $141,417
Overtime: $0
Other pay: $250
Benefits: $0
Total compensation: $141,667
Employment type: Full-Time
Union / bargaining unit: R10
Work county: Contra Costa
Middle name: S

Source-specific fields

Base Pay: $11,874
Cs/csu: Cs
Position Number: 5807315612001
Salary Total: $12,065
Total Pay: $141,667

At Department of Public Health, Jayakumar Poovassery serves as a Research Scientist IV (Microbiological Sciences). They work full-time. Their 2025 pay totaled $141,667. Union affiliation: R10.

Mary Morris

Research Scientist IV (Microbiological Sciences)/Department of Public Health

2024 total comp

$135,085

Base pay: $135,085
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $135,085
Employment type: Full-Time
Union / bargaining unit: R10
Work county: Contra Costa
Middle name: K

Source-specific fields

Base Pay: $11,102
Cs/csu: Cs
Position Number: 5807325612002
Salary Total: $11,685
Total Pay: $135,085

Mary Morris is a Research Scientist IV (Microbiological Sciences) at Department of Public Health. They work full-time. 2024 total compensation came to $135,085. Their bargaining unit is R10.

Phoi Tran

Research Scientist IV (Microbiological Sciences)/Department of Public Health

2025 total comp

$97,296

Base pay: $97,296
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $97,296
Employment type: Full-Time
Union / bargaining unit: R10
Work county: Contra Costa
Middle name: T

Source-specific fields

Base Pay: $9,573
Cs/csu: Cs
Position Number: 5807205612001
Salary Total: $9,775
Total Pay: $97,296

Phoi Tran works as a Research Scientist IV (Microbiological Sciences) for Department of Public Health. Their status is full-time. Phoi earned $97,296 in 2025. Union affiliation: R10.

Nikki Baumrind

Research Scientist IV (Microbiological Sciences)/Department of Public Health

2023 total comp

$29,122

Base pay: $29,122
Overtime: $0
Other pay: $0
Benefits: $0
Total compensation: $29,122
Employment type: Intermittent
Union / bargaining unit: R10
Work county: Contra Costa
Middle name: L

Source-specific fields

Base Pay: $11,242
Cs/csu: Cs
Position Number: 5807325612901
Salary Total: $65
Total Pay: $29,122

At Department of Public Health, Nikki Baumrind serves as a Research Scientist IV (Microbiological Sciences). They work intermittent. Their 2023 pay totaled $29,122. They are represented by R10.