Senior Systems Administrator Job Trends

Senior System Administrator (Senior Sysadmin)
UK

The median Senior System Administrator (Senior Sysadmin) salary in the UK is £70,000 per year, according to job vacancies posted during the 6 months leading to 21 November 2025.

The table below compares current salary benchmarking and summary statistics with the previous two years.

6 months to
21 Nov 2025
Same period 2024 Same period 2023
Rank 664 738 677
Rank change year-on-year +74 -61 +328
Permanent jobs requiring a Senior Systems Administrator 2 14 37
As % of all permanent jobs in the UK 0.004% 0.021% 0.071%
As % of the Job Titles category 0.004% 0.022% 0.075%
Number of salaries quoted 1 9 12
10th Percentile - - £42,500
25th Percentile £67,500 - £47,552
Median annual salary (50th Percentile) £70,000 £45,000 £55,000
Median % change year-on-year +55.56% -18.18% +10.00%
75th Percentile £72,500 - £60,688
90th Percentile - £81,250 £63,050
UK excluding London median annual salary £70,000 £45,000 £51,498
% change year-on-year +55.56% -12.62% +7.29%

All Permanent IT Job Vacancies
UK

For comparison with the information above, the following table provides summary statistics for all permanent IT job vacancies. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of permanent jobs in our overall sample.

Permanent vacancies in the UK with a recognized job title 48,105 63,733 49,629
% of permanent jobs with a recognized job title 90.16% 94.54% 95.38%
Number of salaries quoted 30,175 35,701 38,478
10th Percentile £28,250 £31,750 £31,250
25th Percentile £35,500 £42,500 £42,500
Median annual salary (50th Percentile) £53,048 £57,500 £60,000
Median % change year-on-year -7.74% -4.17% -
75th Percentile £73,750 £76,000 £80,000
90th Percentile £92,500 £95,000 £97,500
UK excluding London median annual salary £47,500 £51,500 £52,500
% change year-on-year -7.77% -1.90% -

Senior Systems Administrator
Job Vacancy Trend

Historical trend showing the proportion of permanent IT job postings featuring 'Senior Systems Administrator' in the job title relative to all permanent IT jobs advertised.

Senior Systems Administrator job vacancy trend in the UK

Senior Systems Administrator
Salary Trend

Salary distribution trend for Senior Systems Administrator job vacancies in the UK.

Salary distribution trend for Senior Systems Administrator job vacancies in the UK

Senior Systems Administrator
Top 4 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Senior Systems Administrator within the UK over the 6 months to 21 November 2025. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Jobs
England +99 2 £70,000 +55.56% 10
UK excluding London +65 2 £70,000 +55.56% 5
South East +51 1 - - 2
East of England - 1 £70,000 - 1

Senior Systems Administrator Skill Set
Top 28 Co-Occurring Skills & Capabilities

For the 6 months to 21 November 2025, Senior Systems Administrator job roles required the following skills and capabilities in order of popularity. The figures indicate the absolute number of co-occurrences and as a proportion of all permanent job ads featuring Senior Systems Administrator in the job title.

1 2 (100.00%) Active Directory
1 2 (100.00%) Windows
2 1 (50.00%) Active Directory Federation Services
2 1 (50.00%) AWS
2 1 (50.00%) Azure
2 1 (50.00%) Bash
2 1 (50.00%) Change Control
2 1 (50.00%) Citrix
2 1 (50.00%) Collaborative Working
2 1 (50.00%) Degree
2 1 (50.00%) DevOps
2 1 (50.00%) Disaster Recovery
2 1 (50.00%) Entra ID
2 1 (50.00%) Firewall
2 1 (50.00%) ITIL
2 1 (50.00%) LDAP
2 1 (50.00%) Linux
2 1 (50.00%) MCSE
2 1 (50.00%) Microsoft
2 1 (50.00%) Microsoft 365
2 1 (50.00%) Microsoft Certification
2 1 (50.00%) Microsoft Exchange
2 1 (50.00%) PCI DSS
2 1 (50.00%) PowerShell
2 1 (50.00%) Problem-Solving
2 1 (50.00%) Python
2 1 (50.00%) Technical Leadership
2 1 (50.00%) Windows Server

Senior Systems Administrator Skill Set
Co-Occurring Skills & Capabilities by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Application Platforms
1 1 (50.00%) Microsoft Exchange
Cloud Services
1 1 (50.00%) AWS
1 1 (50.00%) Azure
1 1 (50.00%) Entra ID
1 1 (50.00%) Microsoft 365
Communications & Networking
1 1 (50.00%) Firewall
General
1 1 (50.00%) Retail
1 1 (50.00%) Social Skills
Libraries, Frameworks & Software Standards
1 1 (50.00%) LDAP
Miscellaneous
1 1 (50.00%) Data Centre
Operating Systems
1 2 (100.00%) Windows
2 1 (50.00%) Linux
2 1 (50.00%) Windows Server
Processes & Methodologies
1 1 (50.00%) Change Control
1 1 (50.00%) Collaborative Working
1 1 (50.00%) DevOps
1 1 (50.00%) Disaster Recovery
1 1 (50.00%) ITIL
1 1 (50.00%) Problem-Solving
1 1 (50.00%) Technical Leadership
Programming Languages
1 1 (50.00%) Bash
1 1 (50.00%) PowerShell
1 1 (50.00%) Python
Qualifications
1 1 (50.00%) Degree
1 1 (50.00%) MCSE
1 1 (50.00%) Microsoft Certification
Quality Assurance & Compliance
1 1 (50.00%) PCI DSS
System Software
1 2 (100.00%) Active Directory
Systems Management
1 1 (50.00%) Active Directory Federation Services
Vendors
1 1 (50.00%) Citrix
1 1 (50.00%) Microsoft