Is Engineer-Principal

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

29 employees hold this title in Public Utilities Commission. Median total compensation for the role is $271,521, above the department median of $190,857.

Employees: 29
Total payroll: $7.9M
Role median: $271,521
Agency median: $190,857
Comparison: Above

What the records show

Role pay distribution

Pay distribution for this role

$149,116$302,776+

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 Public Utilities Commission, the median of $271,521 ranks #13 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

$285,897 · 29

$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

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

William Welch

Is Engineer-Principal/Public Utilities Commission

2025 total comp

$245,677

Sub-department: Information Systems
Organization group: Public Works, Transportation & Commerce
Base pay: $188,224
Overtime: $0
Other pay: $0
Benefits: $57,453
Total compensation: $245,677
Employment type: Temporary Exempt
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: PUC
Health and Dental Benefits: $19,546
Job Code: 1044
Job Family Code: 1000
Organization Group Code: Public Works, Transportation & Commerce
Other Benefits: $13,127

William Welch works as a Is Engineer-Principal for Public Utilities Commission within Information Systems. Their status is temporary exempt. William earned $245,677 in 2025. Union affiliation: Prof & Tech Eng, Local 21.