Unix Systems Administrator Job Trends in the City of London

Unix System Administrator (Unix Sysadmin)
Central London > City of London

The median Unix System Administrator (Unix Sysadmin) salary in the City of London is £57,500 per year, according to job vacancies posted during the 6 months leading to 16 September 2025.

The table below provides salary benchmarking and summary statistics, comparing them to the same period in the previous two years.

6 months to
16 Sep 2025
Same period 2024 Same period 2023
Rank 132 - -
Rank change year-on-year - - -
Permanent jobs requiring a Unix Systems Administrator 1 0 0
As % of all permanent jobs advertised in the City of London 0.058% - -
As % of the Job Titles category 0.062% - -
Number of salaries quoted 1 0 0
10th Percentile - - -
25th Percentile £53,750 - -
Median annual salary (50th Percentile) £57,500 - -
75th Percentile £61,250 - -
90th Percentile - - -
Central London median annual salary £57,500 - -

All Permanent IT Job Vacancies
City of London

For comparison with the information above, the following table provides summary statistics for all permanent IT job vacancies in the City of London. 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 City of London with a recognized job title 1,624 2,699 3,348
% of permanent jobs with a recognized job title 94.64% 94.80% 96.32%
Number of salaries quoted 1,302 1,876 2,999
10th Percentile £36,750 £42,500 £40,200
25th Percentile £52,500 £53,225 £53,750
Median annual salary (50th Percentile) £71,750 £72,500 £74,000
Median % change year-on-year -1.03% -2.03% +2.07%
75th Percentile £93,750 £95,000 £95,000
90th Percentile £120,000 £112,500 £115,000
Central London median annual salary £72,500 £72,500 £72,500

Unix Systems Administrator
Job Vacancy Trend in the City of London

Job postings that featured Unix Systems Administrator in the job title as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for Unix Systems Administrator in the City of London

Unix Systems Administrator
Salary Trend in the City of London

Salary distribution trend for Unix Systems Administrator job vacancies in the City of London.

Salary distribution trend for Unix Systems Administrator job vacancies in the City of London

Unix Systems Administrator Skill Set
Top 22 Co-occurring Skills and Capabilities in the City of London

For the 6 months to 16 September 2025, Unix Systems Administrator job roles required the following skills and capabilities in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the City of London region featuring Unix Systems Administrator in the job title.

1 1 (100.00%) ITIL
1 1 (100.00%) Unix
1 1 (100.00%) AIX
1 1 (100.00%) Solaris
1 1 (100.00%) Linux
1 1 (100.00%) Red Hat
1 1 (100.00%) Shell Script
1 1 (100.00%) Debian
1 1 (100.00%) Time Management
1 1 (100.00%) Red Hat Enterprise Linux
1 1 (100.00%) AWS
1 1 (100.00%) Bash
1 1 (100.00%) Puppet
1 1 (100.00%) Continuous Improvement
1 1 (100.00%) Progress Chef
1 1 (100.00%) Ansible
1 1 (100.00%) Docker
1 1 (100.00%) Terraform
1 1 (100.00%) Problem-Solving
1 1 (100.00%) Infrastructure as Code
1 1 (100.00%) Organisational Skills
1 1 (100.00%) Podman

Unix Systems Administrator Skill Set
Co-occurring Skills and Capabilities in the City of London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Cloud Services
1 1 (100.00%) AWS
General
1 1 (100.00%) Organisational Skills
Operating Systems
1 1 (100.00%) AIX
1 1 (100.00%) Debian
1 1 (100.00%) Linux
1 1 (100.00%) Red Hat Enterprise Linux
1 1 (100.00%) Solaris
1 1 (100.00%) Unix
Processes & Methodologies
1 1 (100.00%) Continuous Improvement
1 1 (100.00%) Infrastructure as Code
1 1 (100.00%) ITIL
1 1 (100.00%) Problem-Solving
1 1 (100.00%) Time Management
Programming Languages
1 1 (100.00%) Bash
1 1 (100.00%) Shell Script
System Software
1 1 (100.00%) Docker
Systems Management
1 1 (100.00%) Ansible
1 1 (100.00%) Podman
1 1 (100.00%) Progress Chef
1 1 (100.00%) Puppet
1 1 (100.00%) Terraform
Vendors
1 1 (100.00%) Red Hat