The median contractor rate for a Senior Systems Administrator was £550 per day in advertised job vacancies in London during the 3 months to 28 June 2017.

The first table below provides contractor rate benchmarking and summary statistics including a comparison to same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Senior System Administrator (SysAdmin)
England / London
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 419 423 413
Rank change year-on-year +4 -10  
Contract jobs requiring a Senior Systems Administrator 3 11 22
As % of all contract IT jobs advertised in London 0.014% 0.051% 0.096%
As % of the Job Titles category 0.015% 0.053% 0.10%
Number of daily rates quoted 1 11 17
Median daily rate £550 £413 £378
Median daily rate % change year-on-year +33.33% +9.27%  
90% offered a daily rate of more than £525 £313 £319
10% offered a daily rate of more than £575 £625 £500
UK excluding London median daily rate £431 £450 £313
% change year-on-year -4.16% +44.00%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

The next table is for comparison with the above and includes summary statistics for all job roles in contract job vacancies advertised in London. Most job vacancies include a discernible job title. As such, the figures in the first row provide an indication of the number of contract jobs in our overall sample.

Contract IT Job Roles
London
Contract job vacancies with a job title containing a recognized job role 19705 20681 21805
As % of all contract IT job vacancies advertised in London 94.90% 95.27% 94.68%
Number of daily rates quoted 49190 54031 56877
Median daily rate £500 £465 £438
Median daily rate % change year-on-year +7.52% +6.28%  
90% offered a daily rate of more than £306 £284 £263
10% offered a daily rate of more than £650 £641 £631
UK excluding London median daily rate £400 £399 £365
% change year-on-year +0.25% +9.31%  
Number of hourly rates quoted 788 774 1398
Median hourly rate £21.00 £17.50 £19.61
Median hourly rate % change year-on-year +20.00% -10.74%  
90% offered a hourly rate of more than £12.35 £10.75 £10.50
10% offered a hourly rate of more than £47.83 £44.28 £52.17
UK excluding London median hourly rate £17.50 £17.50 £16.00
% change year-on-year - +9.37%  

Senior Systems Administrator
Job Vacancy Trend in London

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

Job vacancy trend for Senior Systems Administrator in London

Senior Systems Administrator
Contractor Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Senior Systems Administrator in London.

Contractor daily rate trend for Senior Systems Administrator in London

Senior Systems Administrator
Contractor Hourly Rate Trend in London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Senior Systems Administrator in London.

Contractor hourly rate trend for Senior Systems Administrator in London

Senior Systems Administrator Skill Set
Top 30 Co-occurring IT Skills in London

For the 6 months to 28 June 2017, Senior Systems Administrator contract jobs required the following IT skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the London region featuring Senior Systems Administrator in the job title.

1 6 (66.67%) Red Hat
1 6 (66.67%) Linux
2 5 (55.56%) VMware
3 4 (44.44%) Perl
3 4 (44.44%) Unix
3 4 (44.44%) Windows
3 4 (44.44%) Firewall
3 4 (44.44%) Red Hat Enterprise Linux
3 4 (44.44%) VMware Infrastructure
4 3 (33.33%) CentOS
4 3 (33.33%) Bash Shell
4 3 (33.33%) yum
4 3 (33.33%) VMware ESXi
4 3 (33.33%) SC Cleared
4 3 (33.33%) Security Cleared
4 3 (33.33%) Ubuntu
4 3 (33.33%) Finance
4 3 (33.33%) Python
4 3 (33.33%) LDAP
4 3 (33.33%) DNS
4 3 (33.33%) KVM
4 3 (33.33%) Windows Server
5 2 (22.22%) Server Building
5 2 (22.22%) ITRS Geneos
5 2 (22.22%) Change Control
5 2 (22.22%) D3.js
5 2 (22.22%) JavaScript
5 2 (22.22%) ITIL
5 2 (22.22%) Shell Script
5 2 (22.22%) HP

Senior Systems Administrator Skill Set
Co-occurring IT Skills in London by Category

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

Application Platforms
1 1 (11.11%) MS Exchange
Applications
1 1 (11.11%) Microsoft Office
1 1 (11.11%) Microsoft Project
1 1 (11.11%) MS Visio
Cloud Services
1 1 (11.11%) Amazon AWS
1 1 (11.11%) Cloud Computing
Communications & Networking
1 4 (44.44%) Firewall
2 3 (33.33%) DNS
2 3 (33.33%) LDAP
3 1 (11.11%) LAN
3 1 (11.11%) SAN
3 1 (11.11%) WAN
Database & Business Intelligence
1 2 (22.22%) KDB
2 1 (11.11%) SQL Server
General
1 3 (33.33%) Finance
2 2 (22.22%) Banking
3 1 (11.11%) Financial Institution
Libraries, Frameworks & Software Standards
1 2 (22.22%) D3.js
Miscellaneous
1 1 (11.11%) Clustering
Operating Systems
1 6 (66.67%) Linux
2 4 (44.44%) Red Hat Enterprise Linux
2 4 (44.44%) Unix
2 4 (44.44%) Windows
3 3 (33.33%) CentOS
3 3 (33.33%) Ubuntu
3 3 (33.33%) Windows Server
4 1 (11.11%) Solaris
4 1 (11.11%) Windows 7
4 1 (11.11%) Windows Server 2003
Processes & Methodologies
1 2 (22.22%) Agile Software Development
1 2 (22.22%) Change Control
1 2 (22.22%) ITIL
1 2 (22.22%) Server Building
2 1 (11.11%) Capacity Planning
2 1 (11.11%) Change Management
2 1 (11.11%) Configuration Management
2 1 (11.11%) ITIL V3
2 1 (11.11%) Mentoring
2 1 (11.11%) Migration
2 1 (11.11%) Performance Monitoring
2 1 (11.11%) PRINCE2
2 1 (11.11%) Programme Management
2 1 (11.11%) Project Management
2 1 (11.11%) Root Cause Analysis
2 1 (11.11%) Virtual Environments
Programming Languages
1 4 (44.44%) Perl
2 3 (33.33%) Bash Shell
2 3 (33.33%) Python
3 2 (22.22%) JavaScript
3 2 (22.22%) Shell Script
4 1 (11.11%) Ruby
Qualifications
1 3 (33.33%) SC Cleared
1 3 (33.33%) Security Cleared
2 1 (11.11%) PRINCE2 Certification
Quality Assurance & Compliance
1 1 (11.11%) BS25999
1 1 (11.11%) ISO/IEC 27001
System Software
1 4 (44.44%) VMware Infrastructure
2 3 (33.33%) KVM
2 3 (33.33%) VMware ESXi
3 1 (11.11%) Active Directory
3 1 (11.11%) GPFS
3 1 (11.11%) Veritas Volume Manager
Systems Management
1 3 (33.33%) yum
2 2 (22.22%) ITRS Geneos
3 1 (11.11%) Ansible
3 1 (11.11%) Backup Exec
3 1 (11.11%) Opscode Chef
3 1 (11.11%) Puppet
3 1 (11.11%) Red Hat Satellite
Vendors
1 6 (66.67%) Red Hat
2 5 (55.56%) VMware
3 2 (22.22%) HP
4 1 (11.11%) Avaya
4 1 (11.11%) Cisco
4 1 (11.11%) Citrix
4 1 (11.11%) Microsoft
4 1 (11.11%) Sun