Systems Administrator Jobs in London

System Administrator (Sysadmin)
England > London

The median System Administrator (Sysadmin) salary in London is £72,500 per year, according to job vacancies posted during the 6 months leading to 10 February 2025.

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

6 months to
10 Feb 2025
Same period 2024 Same period 2023
Rank 337 397 484
Rank change year-on-year +60 +87 +143
Permanent jobs requiring a Systems Administrator 94 86 198
As % of all permanent jobs advertised in London 0.58% 0.40% 0.49%
As % of the Job Titles category 0.64% 0.42% 0.51%
Number of salaries quoted 61 76 192
10th Percentile £44,277 £25,933 £38,500
25th Percentile £52,500 £36,750 £45,000
Median annual salary (50th Percentile) £72,500 £45,000 £57,500
Median % change year-on-year +61.11% -21.74% +15.00%
75th Percentile £85,000 £57,500 £72,500
90th Percentile £90,000 £78,125 £87,375
England median annual salary £50,000 £41,500 £50,000
% change year-on-year +20.48% -17.00% +11.11%

All Permanent IT Job Vacancies
London

For comparison with the information above, the following table provides summary statistics for all permanent IT job vacancies in 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 London with a recognized job title 14,764 20,336 38,474
% of permanent jobs with a recognized job title 91.43% 94.63% 95.49%
Number of salaries quoted 7,902 16,225 28,383
10th Percentile £42,500 £39,500 £42,500
25th Percentile £56,250 £52,500 £55,000
Median annual salary (50th Percentile) £75,000 £72,500 £73,500
Median % change year-on-year +3.45% -1.36% +5.00%
75th Percentile £97,500 £93,750 £94,504
90th Percentile £120,000 £115,000 £112,500
England median annual salary £60,000 £55,000 £62,000
% change year-on-year +9.09% -11.29% +3.33%

Systems Administrator
Job Vacancy Trend in London

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

Job vacancy trend for Systems Administrator in London

Systems Administrator
Salary Trend in London

3-month moving average salary quoted in jobs citing Systems Administrator in London.

Salary trend for Systems Administrator in London

Systems Administrator
Salary Histogram in London

Salary distribution for jobs citing Systems Administrator in London over the 6 months to 10 February 2025.

Salary histogram for Systems Administrator in London

Systems Administrator
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Systems Administrator within the London region over the 6 months to 10 February 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
Central London -12 11 £76,250 +95.51% 3
West London -26 1 £45,000 -16.28% 1
Systems Administrator
England

Systems Administrator Skill Set
Top 30 Co-occurring Skills and Capabilities in London

For the 6 months to 10 February 2025, 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 London region featuring Systems Administrator in the job title.

1 40 (42.55%) Windows
2 37 (39.36%) Linux
3 35 (37.23%) Active Directory
4 34 (36.17%) Azure
5 33 (35.11%) Ansible
5 33 (35.11%) Social Skills
6 31 (32.98%) Microsoft
7 30 (31.91%) VMware
8 28 (29.79%) VMware Infrastructure
9 27 (28.72%) PowerShell
10 25 (26.60%) Problem-Solving
11 22 (23.40%) Infrastructure Engineering
11 22 (23.40%) Windows Server
11 22 (23.40%) DevOps
12 19 (20.21%) SQL
13 18 (19.15%) Python
14 17 (18.09%) Finance
14 17 (18.09%) Banking
14 17 (18.09%) Git
14 17 (18.09%) Bash
14 17 (18.09%) High Availability
15 16 (17.02%) Microsoft 365
15 16 (17.02%) AWS
15 16 (17.02%) Low Latency
15 16 (17.02%) CI/CD
15 16 (17.02%) ZABBIX
16 15 (15.96%) Perl
16 15 (15.96%) DNS
17 14 (14.89%) Identity Management
17 14 (14.89%) Puppet

Systems Administrator Skill Set
Co-occurring Skills and Capabilities in 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:

Application Platforms
1 12 (12.77%) Microsoft Exchange
2 11 (11.70%) IIS
3 7 (7.45%) Tomcat
4 5 (5.32%) Apache
5 4 (4.26%) nginx
6 3 (3.19%) SharePoint
7 1 (1.06%) SharePoint Server
Business Applications
1 1 (1.06%) Dynamics NAV
1 1 (1.06%) Salesforce CRM
Cloud Services
1 34 (36.17%) Azure
2 16 (17.02%) AWS
2 16 (17.02%) Microsoft 365
3 10 (10.64%) GCP
4 8 (8.51%) Entra ID
5 6 (6.38%) Azure DevOps
6 5 (5.32%) Power Platform
6 5 (5.32%) SaaS
7 2 (2.13%) Cloud Computing
7 2 (2.13%) Dynamics 365
7 2 (2.13%) GitHub
7 2 (2.13%) Google Workspace
7 2 (2.13%) OpenShift
8 1 (1.06%) Nutanix
8 1 (1.06%) PaaS
8 1 (1.06%) Power Automate
8 1 (1.06%) PowerApps
8 1 (1.06%) Salesforce Sales Cloud
Communications & Networking
1 15 (15.96%) DNS
2 7 (7.45%) VSAN
3 5 (5.32%) Network Security
4 4 (4.26%) Cisco Firepower
4 4 (4.26%) Firewall
5 3 (3.19%) DHCP
5 3 (3.19%) Multicast
5 3 (3.19%) VLAN
6 2 (2.13%) LAN
6 2 (2.13%) SMTP
6 2 (2.13%) TCP/IP
6 2 (2.13%) WAN
7 1 (1.06%) Cisco Nexus
7 1 (1.06%) SAN
7 1 (1.06%) VPN
7 1 (1.06%) Wi-Fi
Database & Business Intelligence
1 8 (8.51%) SQL Server
2 3 (3.19%) MySQL
3 2 (2.13%) Power BI
4 1 (1.06%) Amazon RDS
4 1 (1.06%) Data Warehouse
Development Applications
1 17 (18.09%) Git
2 5 (5.32%) Jenkins
3 2 (2.13%) JIRA
4 1 (1.06%) GitLab
4 1 (1.06%) Sonatype Nexus
General
1 33 (35.11%) Social Skills
2 17 (18.09%) Banking
2 17 (18.09%) Finance
3 7 (7.45%) Law
4 5 (5.32%) Analytical Skills
5 4 (4.26%) Documentation Skills
5 4 (4.26%) Presentation Skills
6 2 (2.13%) Legal
Libraries, Frameworks & Software Standards
1 13 (13.83%) LDAP
2 6 (6.38%) YAML
3 3 (3.19%) Elastic Stack
3 3 (3.19%) LEMP Stack
3 3 (3.19%) Node.js
4 1 (1.06%) .NET
4 1 (1.06%) .NET Framework
Miscellaneous
1 7 (7.45%) Management Information System
2 4 (4.26%) HP StoreVirtual
3 3 (3.19%) Hybrid Cloud
3 3 (3.19%) Security Posture
4 2 (2.13%) Clustering
4 2 (2.13%) Data Centre
4 2 (2.13%) Enterprise Software
4 2 (2.13%) Public Cloud
5 1 (1.06%) Client/Server
5 1 (1.06%) Cloud Native
5 1 (1.06%) Fixed Income
5 1 (1.06%) Foreign Exchange (FX)
5 1 (1.06%) Legacy Applications
5 1 (1.06%) Onboarding
5 1 (1.06%) Self-Motivation
Operating Systems
1 40 (42.55%) Windows
2 37 (39.36%) Linux
3 22 (23.40%) Windows Server
4 6 (6.38%) Red Hat Enterprise Linux
5 3 (3.19%) CentOS
5 3 (3.19%) Rocky
5 3 (3.19%) Windows Server 2019
6 2 (2.13%) SUSE
6 2 (2.13%) Ubuntu
6 2 (2.13%) Unix
7 1 (1.06%) Mac OS
7 1 (1.06%) Windows 10
Processes & Methodologies
1 25 (26.60%) Problem-Solving
2 22 (23.40%) DevOps
2 22 (23.40%) Infrastructure Engineering
3 17 (18.09%) High Availability
4 16 (17.02%) CI/CD
4 16 (17.02%) Low Latency
5 14 (14.89%) Identity Management
6 13 (13.83%) Infrastructure Management
7 12 (12.77%) Infrastructure as Code
8 11 (11.70%) Configuration Management
8 11 (11.70%) Task Automation
9 10 (10.64%) Infrastructure Maintenance
10 9 (9.57%) Storage Management
11 8 (8.51%) Business Continuity
11 8 (8.51%) Business Strategy
11 8 (8.51%) Capacity Planning
12 7 (7.45%) Disaster Recovery
12 7 (7.45%) Performance Optimisation
13 6 (6.38%) Collaborative Working
13 6 (6.38%) Vulnerability Management
Programming Languages
1 27 (28.72%) PowerShell
2 19 (20.21%) SQL
3 18 (19.15%) Python
4 17 (18.09%) Bash
5 15 (15.96%) Perl
6 3 (3.19%) JavaScript
Qualifications
1 13 (13.83%) Degree
1 13 (13.83%) Microsoft Certification
2 11 (11.70%) Computer Science Degree
3 6 (6.38%) Azure Certification
4 2 (2.13%) BPSS Clearance
4 2 (2.13%) SC Cleared
4 2 (2.13%) Security Cleared
Quality Assurance & Compliance
1 4 (4.26%) GRC
2 3 (3.19%) QA
3 2 (2.13%) SLA
System Software
1 35 (37.23%) Active Directory
2 28 (29.79%) VMware Infrastructure
3 10 (10.64%) vSphere
4 6 (6.38%) Docker
4 6 (6.38%) Hyper-V
5 4 (4.26%) Virtual Servers
6 3 (3.19%) FreeRADIUS
6 3 (3.19%) Shibboleth
7 1 (1.06%) Virtual Desktop
7 1 (1.06%) VMware ESXi
Systems Management
1 33 (35.11%) Ansible
2 16 (17.02%) ZABBIX
3 14 (14.89%) Puppet
4 9 (9.57%) Terraform
5 7 (7.45%) Microsoft Clustering
5 7 (7.45%) Nagios
6 5 (5.32%) McAfee ePO
7 4 (4.26%) Kubernetes
7 4 (4.26%) Microsoft Intune
8 3 (3.19%) Progress Chef
8 3 (3.19%) Red Hat Satellite
9 1 (1.06%) Graylog
9 1 (1.06%) Proxmox
9 1 (1.06%) Rundeck
9 1 (1.06%) SCCM
Vendors
1 31 (32.98%) Microsoft
2 30 (31.91%) VMware
3 11 (11.70%) Veeam
4 10 (10.64%) Dell
5 8 (8.51%) HP
5 8 (8.51%) Red Hat
6 7 (7.45%) Dell Compellent
6 7 (7.45%) ExaGrid
6 7 (7.45%) Okta
6 7 (7.45%) Proofpoint
7 6 (6.38%) Cisco
8 5 (5.32%) Google
8 5 (5.32%) McAfee
9 4 (4.26%) arcserve
9 4 (4.26%) Citrix
9 4 (4.26%) NetApp
9 4 (4.26%) ShoreTel
10 3 (3.19%) iManage
10 3 (3.19%) SolarWinds
10 3 (3.19%) Splunk