City and County of San Francisco / Technology / Is Engineer-Principal

Job-title file

Is Engineer-Principal

Design, analyze, and oversee technical systems or infrastructure, ensuring they meet specifications and codes.

29 employees hold this title in Technology. Median total compensation for the role is $285,897, above the department median of $209,122.

Employees: 29
Total payroll: $7.1M
Role median: $285,897
Agency median: $209,122
Comparison: Above

What the records show

Role pay distribution

Pay distribution for this role

$13,440$319,030+

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

How total compensation varies among the 29 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 City and County of San Francisco

Is Engineer-Principal is held in 16 City and County of San Francisco departments. In Technology, the median of $285,897 ranks #7 of 16.

Highest-paying departments for this role

$331,862 · 1

$296,412 · 6

$293,389 · 5

$292,119 · 2

$287,180 · 5

$287,005 · 6

$282,143 · 2

Municipal Transportation Agency

$280,892 · 20

Airport Commission

$279,096 · 14

Public Health

$276,002 · 16

Department of Building Inspection

$274,472 · 5

Public Utilities Commission

$271,521 · 29

Median total compensation for the Is Engineer-Principal role in other City and County of San Franciscodepartments (highest first). Each bar links to that department’s page for this role.

Record list

Employees with this title

Page 1

Nathan Sinclair

Is Engineer-Principal/Technology

2024 total comp

$319,664

Sub-department: Information Systems
Organization group: General Administration & Finance
Base pay: $233,379
Overtime: $0
Other pay: $18,630
Benefits: $67,656
Total compensation: $319,664
Employment type: Permanent Civil Service
Union / bargaining unit: Prof & Tech Eng, Local 21
Full-time equivalent (FTE): 1.04

Source-specific fields

Data As Of: Jun 14, 2026
Data Loaded At: Jun 15, 2026
Department Code: TIS
Health and Dental Benefits: $18,802
Job Code: 1044
Job Family Code: 1000
Organization Group Code: General Administration & Finance
Other Benefits: $14,254

Nathan Sinclair holds the role of Is Engineer-Principal at Technology within Information Systems. Their status is permanent civil service, 1.04 FTE. In 2024, their total compensation was $319,664. They are represented by Prof & Tech Eng, Local 21.

Chinnaraj Subramaniam

Is Engineer-Principal/Technology

2025 total comp

$318,533

Sub-department: Information Systems
Organization group: General Administration & Finance
Base pay: $221,579
Overtime: $0
Other pay: $31,173
Benefits: $65,780
Total compensation: $318,533
Employment type: Permanent Civil Service
Union / bargaining unit: Prof & Tech Eng, Local 21
Full-time equivalent (FTE): 1

Source-specific fields

Data As Of: Jun 14, 2026
Data Loaded At: Jun 15, 2026
Department Code: TIS
Health and Dental Benefits: $19,546
Job Code: 1044
Job Family Code: 1000
Organization Group Code: General Administration & Finance
Other Benefits: $14,723

Chinnaraj Subramaniam is a Is Engineer-Principal at Technology within Information Systems. They work permanent civil service. 2025 total compensation came to $318,533. Union affiliation: Prof & Tech Eng, Local 21.

Siddique Mohammed

Is Engineer-Principal/Technology

2025 total comp

$317,488

Sub-department: Information Systems
Organization group: General Administration & Finance
Base pay: $221,579
Overtime: $0
Other pay: $30,169
Benefits: $65,740
Total compensation: $317,488
Employment type: Permanent Civil Service
Union / bargaining unit: Prof & Tech Eng, Local 21
Full-time equivalent (FTE): 1

Source-specific fields

Data As Of: Jun 14, 2026
Data Loaded At: Jun 15, 2026
Department Code: TIS
Health and Dental Benefits: $19,546
Job Code: 1044
Job Family Code: 1000
Organization Group Code: General Administration & Finance
Other Benefits: $14,682

Siddique Mohammed works as a Is Engineer-Principal for Technology within Information Systems. Their status is permanent civil service. Siddique earned $317,488 in 2025. They are represented by Prof & Tech Eng, Local 21.