The following table provides summary statistics for contract job vacancies advertised in Croydon with a requirement for Windows skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Windows over the 3 months to 27 June 2017 with a comparison to the 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.

Microsoft Windows
London / Croydon
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 27 29 4
Rank change year-on-year +2 -25  
Contract jobs citing Windows 19 14 33
As % of all contract IT jobs advertised in Croydon 9.36% 5.76% 23.40%
As % of the Operating Systems category 32.20% 30.43% 68.75%
Number of daily rates quoted 17 5 22
Median daily rate £450 £325 £328
Median daily rate % change year-on-year +38.46% -0.76%  
90% offered a daily rate of more than £305 £192 £180
10% offered a daily rate of more than £468 £455 £450
UK excluding London median daily rate £338 £338 £325
% change year-on-year - +3.84%  
Number of hourly rates quoted 0 2 0
Median hourly rate - £14.50 -
UK excluding London median hourly rate £15.00 £16.38 £15.50
% change year-on-year -8.39% +5.64%  

Windows is in the operating system skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Croydon with a requirement for operating system skills.

Contract Operating System Skills
Croydon
Contract job vacancies with a requirement for operating system skills 59 46 48
As % of all contract IT job vacancies advertised in Croydon 29.06% 18.93% 34.04%
Number of daily rates quoted 32 22 32
Median daily rate £463 £393 £338
Median daily rate % change year-on-year +17.83% +16.29%  
90% offered a daily rate of more than £375 £345 £220
10% offered a daily rate of more than £500 £484 £450
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 0 2 0
Median hourly rate - £14.50 -
UK excluding London median hourly rate £15.50 £17.50 £16.50
% change year-on-year -11.42% +6.06%  

Windows
Job Vacancy Trend in Croydon

The job posting trend of jobs advertised in Croydon citing Windows as a proportion of all contract or permanent IT jobs with a match in the Operating Systems category.

Job vacancy trend for Windows in Croydon

Windows
Contractor Daily Rate Trend in Croydon

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Windows in Croydon.

Contractor daily rate trend for Windows in Croydon

Windows
Contractor Daily Rate Histogram in Croydon

The daily rate distribution of IT jobs citing Windows in Croydon over the 3 months to 27 June 2017.

Contractor daily rate histogram for Windows in Croydon

Windows
Contractor Hourly Rate Trend in Croydon

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Windows in Croydon.

Contractor hourly rate trend for Windows in Croydon

For the 6 months to 27 June 2017, IT contractor jobs citing Windows also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Croydon region with a requirement for Windows.

1 23 (79.31%) SC Cleared
1 23 (79.31%) Security Cleared
2 22 (75.86%) Windows Server
2 22 (75.86%) Linux
2 22 (75.86%) VMware
3 21 (72.41%) VMware Infrastructure
4 19 (65.52%) Firewall
5 18 (62.07%) Ubuntu
5 18 (62.07%) CentOS
6 16 (55.17%) LDAP
6 16 (55.17%) DNS
6 16 (55.17%) yum
6 16 (55.17%) VMware ESXi
6 16 (55.17%) KVM
7 14 (48.28%) Puppet
7 14 (48.28%) Bash Shell
7 14 (48.28%) Red Hat
8 11 (37.93%) Red Hat Enterprise Linux
9 8 (27.59%) Server Building
10 6 (20.69%) Spread Betting
11 5 (17.24%) Virtual Machines
11 5 (17.24%) Active Directory
12 4 (13.79%) Validation
12 4 (13.79%) Microsoft
12 4 (13.79%) Microsoft Excel
12 4 (13.79%) C
12 4 (13.79%) iptables
12 4 (13.79%) Data Centre
12 4 (13.79%) PowerShell
12 4 (13.79%) Open Source

Windows
Co-occurring IT Skills in Croydon 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 3 (10.34%) SAS
2 2 (6.90%) IIS
3 1 (3.45%) Exchange Server 2007
3 1 (3.45%) Exchange Server 2010
3 1 (3.45%) Exchange Server 2013
3 1 (3.45%) MS Exchange
Applications
1 4 (13.79%) Microsoft Excel
2 1 (3.45%) Microsoft Office
2 1 (3.45%) Spreadsheet
Cloud Services
1 2 (6.90%) Office 365
2 1 (3.45%) Amazon AWS
2 1 (3.45%) Azure Active Directory
2 1 (3.45%) Microsoft Azure
Communications & Networking
1 19 (65.52%) Firewall
2 16 (55.17%) DNS
2 16 (55.17%) LDAP
3 3 (10.34%) WAN
4 2 (6.90%) LAN
5 1 (3.45%) Cisco IOS
5 1 (3.45%) MPLS
5 1 (3.45%) NetScaler
5 1 (3.45%) Remote Desktop
5 1 (3.45%) SSL
5 1 (3.45%) VLAN
5 1 (3.45%) VPN
Database & Business Intelligence
1 3 (10.34%) Data Warehouse
1 3 (10.34%) PostgreSQL
1 3 (10.34%) SAS Enterprise Guide
1 3 (10.34%) Star Schema
2 2 (6.90%) SQL Server
3 1 (3.45%) Amazon RDS
3 1 (3.45%) SAS Data Integration Studio
Job Titles
1 17 (58.62%) Administrator
1 17 (58.62%) Linux Administrator
1 17 (58.62%) Linux Systems Administrator
1 17 (58.62%) Systems Administrator
2 12 (41.38%) VMWare Administrator
3 5 (17.24%) Infrastructure Engineer
4 4 (13.79%) Linux Engineer
4 4 (13.79%) Linux Systems Engineer
4 4 (13.79%) Systems Engineer
5 3 (10.34%) Data Engineer
5 3 (10.34%) Senior Linux Administrator
5 3 (10.34%) Senior Linux Systems Administrator
5 3 (10.34%) Senior Systems Administrator
5 3 (10.34%) Senior VMWare Administrator
6 2 (6.90%) Architect
6 2 (6.90%) Infrastructure Manager
6 2 (6.90%) Infrastructure Project Manager
6 2 (6.90%) Project Manager
6 2 (6.90%) Senior Data Engineer
7 1 (3.45%) Active Directory Architect
Libraries, Frameworks & Software Standards
1 3 (10.34%) REST
1 3 (10.34%) XML
Miscellaneous
1 6 (20.69%) Spread Betting
2 4 (13.79%) Data Centre
3 3 (10.34%) Clustering
4 1 (3.45%) Replication
Operating Systems
1 22 (75.86%) Linux
1 22 (75.86%) Windows Server
2 18 (62.07%) CentOS
2 18 (62.07%) Ubuntu
3 11 (37.93%) Red Hat Enterprise Linux
4 3 (10.34%) Windows Server 2008
5 2 (6.90%) Unix
5 2 (6.90%) Windows 10
5 2 (6.90%) Windows 7
5 2 (6.90%) Windows Server 2012
6 1 (3.45%) Windows 8
6 1 (3.45%) Windows Server 2003
Processes & Methodologies
1 8 (27.59%) Server Building
2 4 (13.79%) Open Source
2 4 (13.79%) Validation
3 3 (10.34%) Agile Software Development
3 3 (10.34%) Data Analysis
3 3 (10.34%) Data Integration
3 3 (10.34%) ETL
3 3 (10.34%) High Availability
3 3 (10.34%) Load Balancing
3 3 (10.34%) Scrum
3 3 (10.34%) SQL Optimisation
4 2 (6.90%) Disaster Recovery
4 2 (6.90%) Migration
4 2 (6.90%) Project Management
5 1 (3.45%) Capacity Planning
5 1 (3.45%) Identity Access Management
5 1 (3.45%) Planning and Forecasting
Programming Languages
1 14 (48.28%) Bash Shell
2 4 (13.79%) C
2 4 (13.79%) PowerShell
3 3 (10.34%) AWK
3 3 (10.34%) SAS Macro
3 3 (10.34%) sed
3 3 (10.34%) SQL
3 3 (10.34%) VBScript
Qualifications
1 23 (79.31%) SC Cleared
1 23 (79.31%) Security Cleared
2 1 (3.45%) BPSS Clearance
2 1 (3.45%) CCIE
2 1 (3.45%) CCNA
2 1 (3.45%) CCNP
2 1 (3.45%) Cisco Certification
2 1 (3.45%) MCITP
2 1 (3.45%) MCP
2 1 (3.45%) MCSE
2 1 (3.45%) Microsoft Certification
Quality Assurance & Compliance
1 3 (10.34%) Data Quality
System Software
1 21 (72.41%) VMware Infrastructure
2 16 (55.17%) KVM
2 16 (55.17%) VMware ESXi
3 5 (17.24%) Active Directory
3 5 (17.24%) Virtual Machines
4 4 (13.79%) iptables
5 1 (3.45%) Microsoft App-V
5 1 (3.45%) Terminal Services
5 1 (3.45%) vSphere
5 1 (3.45%) XenApp
5 1 (3.45%) XenDesktop
Systems Management
1 16 (55.17%) yum
2 14 (48.28%) Puppet
3 1 (3.45%) Cisco CUCM
Vendors
1 22 (75.86%) VMware
2 14 (48.28%) Red Hat
3 4 (13.79%) Microsoft
4 3 (10.34%) Citrix
4 3 (10.34%) Greenplum
5 2 (6.90%) Cisco
6 1 (3.45%) AppSense
6 1 (3.45%) Intel
6 1 (3.45%) Veeam