The following table provides summary statistics for contract job vacancies advertised in Welwyn Garden City 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 March 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
Hertfordshire / Welwyn Garden City
3 months to
27 Mar 2017
Same period 2016 Same period 2015
Rank 7 2 5
Rank change year-on-year -5 +3  
Contract jobs citing Windows 8 11 8
As % of all contract IT jobs advertised in Welwyn Garden City 15.09% 18.64% 22.22%
As % of the Operating Systems category 66.67% 91.67% 57.14%
Number of daily rates quoted 1 4 3
Median daily rate £450 £273 £375
Median daily rate % change year-on-year +65.13% -27.33%  
UK excluding London median daily rate £345 £340 £320
% change year-on-year +1.47% +6.25%  
Number of hourly rates quoted 1 2 0
Median hourly rate £13.00 £16.00 -
Median hourly rate % change year-on-year -18.75% -  
UK excluding London median hourly rate £14.50 £15.63 £14.80
% change year-on-year -7.22% +5.60%  

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 Welwyn Garden City with a requirement for operating system skills.

Contract Operating System Skills
Welwyn Garden City
Contract job vacancies with a requirement for operating system skills 12 12 14
As % of all contract IT job vacancies advertised in Welwyn Garden City 22.64% 20.34% 38.89%
Number of daily rates quoted 3 5 6
Median daily rate £450 £220 £375
Median daily rate % change year-on-year +104.54% -41.33%  
UK excluding London median daily rate £390 £363 £338
% change year-on-year +7.58% +7.40%  
Number of hourly rates quoted 1 2 0
Median hourly rate £13.00 £16.00 -
Median hourly rate % change year-on-year -18.75% -  
UK excluding London median hourly rate £15.25 £16.84 £15.50
% change year-on-year -9.44% +8.64%  

Windows
Job Vacancy Trend in Welwyn Garden City

The job posting trend of jobs advertised in Welwyn Garden City 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 Welwyn Garden City

Windows
Contractor Daily Rate Trend in Welwyn Garden City

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

Contractor daily rate trend for Windows in Welwyn Garden City

Windows
Contractor Hourly Rate Trend in Welwyn Garden City

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

Contractor hourly rate trend for Windows in Welwyn Garden City

Windows
Top 30 Co-occurring IT Skills in Welwyn Garden City

For the 6 months to 27 March 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 Welwyn Garden City region with a requirement for Windows.

1 12 (70.59%) Linux
2 10 (58.82%) SQL
3 8 (47.06%) Unix
4 7 (41.18%) EFT
5 6 (35.29%) Internet
6 5 (29.41%) SSL
6 5 (29.41%) Active Directory
6 5 (29.41%) C
6 5 (29.41%) Java
6 5 (29.41%) Perl
6 5 (29.41%) MySQL
6 5 (29.41%) Apache
6 5 (29.41%) Tomcat
6 5 (29.41%) Python
6 5 (29.41%) FTP
6 5 (29.41%) TCP/IP
6 5 (29.41%) Firewall
6 5 (29.41%) LAMP
6 5 (29.41%) PostgreSQL
6 5 (29.41%) Clustering
6 5 (29.41%) Ruby
6 5 (29.41%) Bash Shell
6 5 (29.41%) LAPP Stack
7 4 (23.53%) QA
7 4 (23.53%) Windows 7
7 4 (23.53%) Technical Analysis
7 4 (23.53%) Software Engineering
7 4 (23.53%) Finance
7 4 (23.53%) Banking
8 3 (17.65%) Stakeholder Management

Windows
Co-occurring IT Skills in Welwyn Garden City 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 5 (29.41%) Apache
1 5 (29.41%) Tomcat
Applications
1 3 (17.65%) MS Excel
2 1 (5.88%) MS Office
2 1 (5.88%) MS PowerPoint
Business Applications
1 1 (5.88%) Payment Gateway
Cloud Services
1 1 (5.88%) Office 365
Communications & Networking
1 6 (35.29%) Internet
2 5 (29.41%) Firewall
2 5 (29.41%) FTP
2 5 (29.41%) SSL
2 5 (29.41%) TCP/IP
3 1 (5.88%) LDAP
3 1 (5.88%) OpenLDAP
Database & Business Intelligence
1 5 (29.41%) MySQL
1 5 (29.41%) PostgreSQL
2 1 (5.88%) Big Data
General
1 4 (23.53%) Banking
1 4 (23.53%) Finance
2 2 (11.76%) Financial Institution
3 1 (5.88%) Marketing
Job Titles
1 5 (29.41%) Service Desk Engineer
2 3 (17.65%) Applications Support
2 3 (17.65%) Software Engineer
2 3 (17.65%) Support Engineer
3 2 (11.76%) Applications Engineer
3 2 (11.76%) Applications Support Engineer
3 2 (11.76%) Consultant
3 2 (11.76%) Security Consultant
3 2 (11.76%) Service Desk Support
3 2 (11.76%) Software Support Engineer
4 1 (5.88%) Active Directory Engineer
4 1 (5.88%) Analyst
4 1 (5.88%) Delivery Manager
4 1 (5.88%) DevOps Engineer
4 1 (5.88%) Electronics Engineer
4 1 (5.88%) IT Engineer
4 1 (5.88%) Junior IT Engineer
4 1 (5.88%) Service Support Manager
4 1 (5.88%) Support Analyst
4 1 (5.88%) Systems Engineer
Libraries, Frameworks & Software Standards
1 5 (29.41%) LAMP
1 5 (29.41%) LAPP Stack
Miscellaneous
1 7 (41.18%) EFT
2 5 (29.41%) Clustering
3 3 (17.65%) Analytical Skills
3 3 (17.65%) Data Centre
4 1 (5.88%) Computer Science
4 1 (5.88%) Credit Risk
Operating Systems
1 12 (70.59%) Linux
2 8 (47.06%) Unix
3 4 (23.53%) Windows 7
4 2 (11.76%) Windows Server 2003
4 2 (11.76%) Windows XP
5 1 (5.88%) Android
5 1 (5.88%) Apple iOS
5 1 (5.88%) Solaris
5 1 (5.88%) Windows 10
5 1 (5.88%) Windows 8
5 1 (5.88%) Windows Server
5 1 (5.88%) Windows Server 2008
Processes & Methodologies
1 4 (23.53%) Software Engineering
1 4 (23.53%) Technical Analysis
2 3 (17.65%) Stakeholder Management
3 2 (11.76%) Incident Management
3 2 (11.76%) Performance Testing
3 2 (11.76%) Security Testing
4 1 (5.88%) Agile Software Development
4 1 (5.88%) Analytics
4 1 (5.88%) Continuous Improvement
4 1 (5.88%) Data Protection
4 1 (5.88%) DevOps
4 1 (5.88%) High Availability
4 1 (5.88%) ITIL
4 1 (5.88%) ITSM
4 1 (5.88%) Migration
4 1 (5.88%) Performance Metrics
4 1 (5.88%) Service Delivery
4 1 (5.88%) Time Management
4 1 (5.88%) User Acceptance Testing
4 1 (5.88%) Web Analytics
Programming Languages
1 10 (58.82%) SQL
2 5 (29.41%) Bash Shell
2 5 (29.41%) C
2 5 (29.41%) Java
2 5 (29.41%) Perl
2 5 (29.41%) Python
2 5 (29.41%) Ruby
3 1 (5.88%) PowerShell
Qualifications
1 1 (5.88%) PMP
1 1 (5.88%) RHCE
Quality Assurance & Compliance
1 4 (23.53%) QA
2 1 (5.88%) SLA
System Software
1 5 (29.41%) Active Directory
Systems Management
1 2 (11.76%) Puppet
2 1 (5.88%) CA Single Sign-On
2 1 (5.88%) Salt
Vendors
1 2 (11.76%) Palo Alto
1 2 (11.76%) Sophos
1 2 (11.76%) Symantec
2 1 (5.88%) CA
2 1 (5.88%) ForgeRock
2 1 (5.88%) Microsoft
2 1 (5.88%) PayPal
2 1 (5.88%) Red Hat
2 1 (5.88%) Sun