As of April 22, 2025, the average annual salary for a Software Systems Engineer I in the United Kingdom is £55,765, with an hourly rate of £27, according to Salary.com Global Salary IQ data. The average salary ranges from £45,752 to £64,835, influenced by factors like location, education, experience, and more.
| Percentile | Salary | Location | Last Updated |
| 25th Percentile Software Systems Engineer I Salary | £45,752 | United Kingdom | April 22, 2025 |
| 50th Percentile Software Systems Engineer I Salary | £55,765 | United Kingdom | April 22, 2025 |
| 75th Percentile Software Systems Engineer I Salary | £64,835 | United Kingdom | April 22, 2025 |
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SalaryIQTMSalary.com provides you with accurate and diversified Software Systems Engineer I salary data based on specialized databases to help you get a fairer salary. The average annual pay for a Software Systems Engineer I is about £55,765 a year, this translates to an approximate hourly rate of £27, a monthly salary of about £4,647, and a weekly pay of around £1,072. Click the switch button below to see more details about Software Systems Engineer I hourly pay, weekly pay, monthly pay, and so on.
A Software Systems Engineer I's salary varies significantly based on experience level. Entry typically earn £51,282 - £56,713, while Intermediate make £52,477 - £57,796, Senior earn £54,719 - £59,826, Specialist earn £55,018 - £60,232, Expert can reach £55,466 - £60,503 or more, depending on the company and location.
| Levels | Salary |
|---|---|
| Entry Level Software Systems Engineer I | £55,018 |
| Intermediate Level Software Systems Engineer I | £56,036 |
| Senior Level Software Systems Engineer I | £58,066 |
| Specialist Level Software Systems Engineer I | £58,472 |
| Expert Level Software Systems Engineer I | £58,743 |
| Entry Level | 1% |
| Intermediate Level | 0% |
| Senior Level | 4% |
| Specialist Level | 5% |
| Expert Level | 5% |
Mastering key skills can significantly increase your earning potential as a Software Systems Engineer I. According to Salary.com's Real-time Job Posting Data, expertise in Operating System can lead to a 2% salary raise, while strong ISO skills boost pay by a 2%. Even Software Development can result in a 2% salary increase.
| Skills | Salary | Demand | |
|---|---|---|---|
| Skill & Salary | Demand | ||
| Operating System | £56,880 |
Operating System
£56,880
|
2%
|
| ISO | £56,880 |
ISO
£56,880
|
2%
|
| Software Development | £56,880 |
Software Development
£56,880
|
2%
|
| IT Infrastructure | £56,880 |
IT Infrastructure
£56,880
|
2%
|
As of April 22, 2025 , a Software Engineer I makes less than a Software Systems Engineer I. A Software Engineer I earns an average annual salary of £29,998. And a Software Systems Engineer I earns an average annual salary of £55,765.
| Job Title | Salary Range in GBP |
|---|---|
| Software Engineer I |
|
| Systems Engineer I |
|
| Software Applications Engineer I |
|
| Electronics Engineer I |
|
| Enterprise Systems Engineer I |
|
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