Principal Engineer salaries in London.
What Principal Engineer roles in London pay, from live listings on JobsRadar.
Compare with anotherMedian salary
$143,512
per year · annualized USD
Typical range
$122.6k – $228.9k
25th–75th percentile
Disclosing pay
9.1%
10 of 110 roles
Live roles
110
open right now
Salary trend
median · annualized USDSalary distribution
annualized USD · disclosed rolesHighest-paying jobs
Staff / Principal Research Engineer, AI Safety Mitigations
Staff / Principal Security Engineer, AI Safety and Security
Principal Backend Engineer (Forward Deployed)
Principal Security Engineer (12 Month FTC)
Principal Cloud Engineer (Multiple)
Principal Software Engineer
Senior / Principal Structural Engineer (Transit Structures/Facilities/Buildings)
Principal Highway Engineer - MTO
Top companies hiring
| Company | Median | Roles |
|---|---|---|
| LS Lila Sciences | $264,500 | 2 |
| PA Parsons | $122,600 | 2 |
|
Invisible Technologies
|
$275,000 | 1 |
|
OVO Energy
|
$168,615 | 1 |
|
Cloudscaler
|
$151,307 | 1 |
|
Northrop Grumman
|
$135,717 | 1 |
Leonardo
|
$88,899 | 1 |
Flo Health
|
$12,693 | 1 |
See every Principal Engineer role
Browse the live listings, or save this search and get alerted the moment a new one posts.
How much do Principal Engineer roles in London pay?
The median salary for Principal Engineer roles in London is $143,512 per year. Most pay falls between $122,600 (25th percentile) and $228,904 (75th percentile), with the broader 10th–90th percentile band running from $81,278 to $275,500.
These figures are computed live from 110 active Principal Engineer roles in London on JobsRadar, of which 10 (9.1%) publish a salary range. Pay is normalized to annualized USD so roles can be compared on equal terms; the highest-paying roles listed above show their original posted currency. Numbers refresh every few hours as new roles are posted and older ones close.
Employers currently hiring well-paid Principal Engineer roles in London include Lila Sciences, Invisible Technologies, OVO Energy and Cloudscaler.
Salary transparency varies by employer and region, so the disclosing share above reflects only roles that publish pay — not every open position. Use it as a directional benchmark rather than an exact offer.
Frequently asked questions
- What is the average Principal Engineer salary in London?
- The median is $143,512 per year, with most pay between $122,600 and $228,904 (25th–75th percentile), based on 10 live listings that disclose pay on JobsRadar.
- What is the Principal Engineer salary range in London?
- Pay ranges from about $81,278 to $275,500 per year (10th–90th percentile) around a median of $143,512. Figures are annualized USD from live listings, refreshed every few hours.