The following table provides summary statistics for contract job vacancies advertised in Hertfordshire with a requirement for Linux skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Linux over the 3 months to 22 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.

Linux
East of England / Hertfordshire
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 15 25 13
Rank change year-on-year +10 -12  
Contract jobs citing Linux 52 35 80
As % of all contract IT jobs advertised in Hertfordshire 8.23% 5.24% 8.98%
As % of the Operating Systems category 31.52% 28.00% 32.00%
Number of daily rates quoted 29 22 31
Median daily rate £400 £375 £350
Median daily rate % change year-on-year +6.66% +7.14%  
90% offered a daily rate of more than £294 £273 £300
10% offered a daily rate of more than £550 £489 £450
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 2 1 2
Median hourly rate £21.25 £31.50 £40.00
Median hourly rate % change year-on-year -32.53% -21.25%  
90% offered a hourly rate of more than £13.05 £31.50 £34.00
10% offered a hourly rate of more than £29.45 £31.50 £46.00
UK excluding London median hourly rate £40.00 £40.00 £37.50
% change year-on-year - +6.66%  

Linux 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 Hertfordshire with a requirement for operating system skills.

Contract Operating System Skills
Hertfordshire
Contract job vacancies with a requirement for operating system skills 165 125 250
As % of all contract IT job vacancies advertised in Hertfordshire 26.11% 18.71% 28.06%
Number of daily rates quoted 83 65 110
Median daily rate £400 £365 £335
Median daily rate % change year-on-year +9.58% +8.95%  
90% offered a daily rate of more than £130 £154 £175
10% offered a daily rate of more than £550 £475 £438
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 26 11 21
Median hourly rate £14.50 £15.50 £13.00
Median hourly rate % change year-on-year -6.45% +19.23%  
90% offered a hourly rate of more than £11.02 £13.20 £9.00
10% offered a hourly rate of more than £16.81 £20.00 £37.50
UK excluding London median hourly rate £15.50 £16.97 £16.16
% change year-on-year -8.66% +5.01%  

Linux
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for Linux in Hertfordshire

Linux
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for Linux in Hertfordshire

Linux
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing Linux in Hertfordshire over the 3 months to 22 June 2017.

Contractor daily rate histogram for Linux in Hertfordshire

Linux
Contractor Hourly Rate Trend in Hertfordshire

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

Contractor hourly rate trend for Linux in Hertfordshire

Linux
Contractor Hourly Rate Histogram in Hertfordshire

The hourly rate distribution of IT jobs citing Linux in Hertfordshire over the 3 months to 22 June 2017.

Contractor hourly rate histogram for Linux in Hertfordshire

Linux
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Linux within the Hertfordshire region over the 3 months to 22 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Hatfield +2 10 £310 +3.33% 6
Watford -2 8 £488 +89.32% 4
Stevenage +1 5 - -
Welwyn Garden City +6 4 £325 -18.75% 7
Hemel Hempstead +8 3 £450 +20.00% 5
Rickmansworth 0 2 £525 +23.52% 1
Hitchin 0 1 £350 -2.77%
Bishop's Stortford - 1 - - 2
Linux
East of England

For the 6 months to 22 June 2017, IT contractor jobs citing Linux 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 Hertfordshire region with a requirement for Linux.

1 49 (51.04%) Java
2 47 (48.96%) Windows
3 39 (40.63%) Python
4 31 (32.29%) Perl
4 31 (32.29%) DevOps
5 30 (31.25%) SQL
5 30 (31.25%) Unix
6 29 (30.21%) PostgreSQL
6 29 (30.21%) Puppet
7 27 (28.13%) Bash Shell
8 25 (26.04%) TCP/IP
8 25 (26.04%) Finance
9 24 (25.00%) Tomcat
10 23 (23.96%) Apache
10 23 (23.96%) SSL
11 22 (22.92%) Software Engineering
12 21 (21.88%) Ruby
12 21 (21.88%) Clustering
12 21 (21.88%) Configuration Management
12 21 (21.88%) Firewall
12 21 (21.88%) C
13 20 (20.83%) Spring
13 20 (20.83%) LAPP Stack
14 16 (16.67%) Agile Software Development
15 15 (15.63%) Computer Science
15 15 (15.63%) MySQL
16 13 (13.54%) RHCE
16 13 (13.54%) High Availability
17 12 (12.50%) Salt
17 12 (12.50%) JavaScript

Linux
Co-occurring IT Skills in Hertfordshire 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 24 (25.00%) Tomcat
2 23 (23.96%) Apache
3 5 (5.21%) Confluence
3 5 (5.21%) Elasticsearch
3 5 (5.21%) Exchange Server 2003
3 5 (5.21%) MS Exchange
4 4 (4.17%) Exchange Server 2000
4 4 (4.17%) Exchange Server 5.5
5 1 (1.04%) Cloud Foundry
5 1 (1.04%) CMS
5 1 (1.04%) Exchange Server 2007
5 1 (1.04%) Exchange Server 2010
5 1 (1.04%) JBoss
5 1 (1.04%) MQSeries
5 1 (1.04%) nginx
5 1 (1.04%) OpenStack
Applications
1 4 (4.17%) Microsoft Office
2 1 (1.04%) HipChat
2 1 (1.04%) Simulink
Business Applications
1 7 (7.29%) Payment Gateway
Cloud Services
1 7 (7.29%) Amazon AWS
2 4 (4.17%) AWS CloudFormation
3 3 (3.13%) AWS Lambda
4 1 (1.04%) Google Cloud Platform
Communications & Networking
1 25 (26.04%) TCP/IP
2 23 (23.96%) SSL
3 21 (21.88%) Firewall
4 9 (9.38%) LAN
5 6 (6.25%) LDAP
5 6 (6.25%) WAN
6 4 (4.17%) Internet
6 4 (4.17%) X.500
7 3 (3.13%) Network Security
7 3 (3.13%) Wireless
8 2 (2.08%) HTTP
8 2 (2.08%) SAN
8 2 (2.08%) SpaceWire
8 2 (2.08%) WLAN
9 1 (1.04%) DHCP
9 1 (1.04%) DNS
9 1 (1.04%) Ethernet
9 1 (1.04%) Remote Desktop
9 1 (1.04%) SNMP
9 1 (1.04%) WebEx
Database & Business Intelligence
1 29 (30.21%) PostgreSQL
2 15 (15.63%) MySQL
3 10 (10.42%) NoSQL
4 9 (9.38%) Apache Cassandra
4 9 (9.38%) MongoDB
4 9 (9.38%) Sybase ASE
5 7 (7.29%) Big Data
5 7 (7.29%) Crystal Reports
6 4 (4.17%) SQL Server
7 3 (3.13%) Amazon DynamoDB
8 1 (1.04%) DB2
8 1 (1.04%) Informix
8 1 (1.04%) Redis
8 1 (1.04%) SQL Server 2005
8 1 (1.04%) SQL Server 2008
8 1 (1.04%) SQL Server 2012
Development Applications
1 10 (10.42%) Jenkins
2 7 (7.29%) Git (software)
3 5 (5.21%) JIRA
4 4 (4.17%) Bitbucket
4 4 (4.17%) JUnit
5 3 (3.13%) Bugzilla
5 3 (3.13%) ClearCase
5 3 (3.13%) ClearQuest
5 3 (3.13%) Eclipse
5 3 (3.13%) IDA Disassembler
5 3 (3.13%) Maven
5 3 (3.13%) Metasploit
5 3 (3.13%) OllyDbg
5 3 (3.13%) Selenium
6 2 (2.08%) GDB
6 2 (2.08%) JMeter
6 2 (2.08%) jMock
6 2 (2.08%) Mockito
6 2 (2.08%) Visual Studio
7 1 (1.04%) Moq
General
1 25 (26.04%) Finance
2 8 (8.33%) Telecoms
3 3 (3.13%) Automotive
3 3 (3.13%) Avionics
3 3 (3.13%) Retail
4 2 (2.08%) Banking
4 2 (2.08%) Law
5 1 (1.04%) Aerospace
5 1 (1.04%) Games
5 1 (1.04%) Legal
5 1 (1.04%) Manufacturing
5 1 (1.04%) Military
5 1 (1.04%) Retail Banking
Job Titles
1 20 (20.83%) Developer
2 18 (18.75%) Java Developer
3 17 (17.71%) DevOps Engineer
4 13 (13.54%) Software Engineer
5 8 (8.33%) Administrator
5 8 (8.33%) Systems Administrator
6 7 (7.29%) Senior Developer
6 7 (7.29%) Senior Java Developer
7 6 (6.25%) Analyst
7 6 (6.25%) AWS DevOps
8 5 (5.21%) Linux Administrator
8 5 (5.21%) Linux Systems Administrator
9 4 (4.17%) Consultant
9 4 (4.17%) Systems Engineer
9 4 (4.17%) Validation Engineer
10 3 (3.13%) AWS Developer
10 3 (3.13%) DevOps Developer
10 3 (3.13%) Malware Consultant
10 3 (3.13%) Security Incident Consultant
10 3 (3.13%) Software Validation Engineer
Libraries, Frameworks & Software Standards
1 20 (20.83%) LAPP Stack
1 20 (20.83%) Spring
2 11 (11.46%) LAMP
2 11 (11.46%) Web Services
3 10 (10.42%) Hibernate
3 10 (10.42%) JSP
4 9 (9.38%) AngularJS
5 8 (8.33%) J2EE
6 6 (6.25%) .NET
7 5 (5.21%) Spring Boot
8 4 (4.17%) HTML
8 4 (4.17%) Node.js
8 4 (4.17%) REST
9 3 (3.13%) JSON
10 2 (2.08%) CSS
10 2 (2.08%) HTML5
10 2 (2.08%) Middleware
10 2 (2.08%) Spring MVC
10 2 (2.08%) Twitter Bootstrap
10 2 (2.08%) XML
Miscellaneous
1 21 (21.88%) Clustering
2 15 (15.63%) Computer Science
3 7 (7.29%) Client/Server
4 6 (6.25%) Analytical Skills
5 4 (4.17%) Data Centre
5 4 (4.17%) Embedded Systems
5 4 (4.17%) Management Information System
6 3 (3.13%) Cyberthreat
7 2 (2.08%) Algorithms
7 2 (2.08%) EPoS
7 2 (2.08%) Linux Command Line
8 1 (1.04%) Biotechnology
8 1 (1.04%) Blackberry
8 1 (1.04%) iPad
8 1 (1.04%) iPhone
8 1 (1.04%) IVR
8 1 (1.04%) Video Conferencing
8 1 (1.04%) Virtual Team
Operating Systems
1 47 (48.96%) Windows
2 30 (31.25%) Unix
3 8 (8.33%) Solaris
4 7 (7.29%) Red Hat Enterprise Linux
4 7 (7.29%) Ubuntu
5 6 (6.25%) Windows Server
6 5 (5.21%) HPUX
7 4 (4.17%) CentOS
7 4 (4.17%) Mac OS
7 4 (4.17%) Windows 2000 Server
7 4 (4.17%) Windows 7
8 3 (3.13%) Kali Linux
8 3 (3.13%) VMS
8 3 (3.13%) Windows Server 2008
8 3 (3.13%) Windows Server 2012
9 1 (1.04%) Debian
9 1 (1.04%) Mac OS X
9 1 (1.04%) OpenVMS
9 1 (1.04%) Windows Server 2003
Processes & Methodologies
1 31 (32.29%) DevOps
2 22 (22.92%) Software Engineering
3 21 (21.88%) Configuration Management
4 16 (16.67%) Agile Software Development
5 13 (13.54%) High Availability
6 12 (12.50%) TDD
7 11 (11.46%) Mentoring
7 11 (11.46%) Open Source
8 10 (10.42%) OO
9 9 (9.38%) Service Design
10 8 (8.33%) Continuous Integration
11 7 (7.29%) User Acceptance Testing
12 6 (6.25%) Information Security
12 6 (6.25%) Microservices
12 6 (6.25%) Validation
13 4 (4.17%) Data Protection
13 4 (4.17%) Performance Management
13 4 (4.17%) Programme Delivery
13 4 (4.17%) Scrum
13 4 (4.17%) Test Strategy
Programming Languages
1 49 (51.04%) Java
2 39 (40.63%) Python
3 31 (32.29%) Perl
4 30 (31.25%) SQL
5 27 (28.13%) Bash Shell
6 21 (21.88%) C
6 21 (21.88%) Ruby
7 12 (12.50%) JavaScript
8 11 (11.46%) C#
9 10 (10.42%) T-SQL
10 7 (7.29%) C++
10 7 (7.29%) PowerShell
11 6 (6.25%) Shell Script
12 5 (5.21%) VB
13 3 (3.13%) Assembly Language
14 1 (1.04%) Ada
14 1 (1.04%) Korn
14 1 (1.04%) Lua
14 1 (1.04%) MATLAB
14 1 (1.04%) Tcl
Qualifications
1 13 (13.54%) RHCE
2 10 (10.42%) Security Cleared
3 5 (5.21%) Degree
4 4 (4.17%) DV Cleared
5 3 (3.13%) HNC
6 2 (2.08%) SC Cleared
7 1 (1.04%) HND
7 1 (1.04%) ITIL Certification
7 1 (1.04%) Microsoft Certification
Quality Assurance & Compliance
1 2 (2.08%) ECSS
1 2 (2.08%) QA
2 1 (1.04%) ISO/IEC 27001
2 1 (1.04%) PCI DSS
2 1 (1.04%) Sarbanes-Oxley
System Software
1 10 (10.42%) Docker
2 8 (8.33%) Active Directory
3 6 (6.25%) VMware Infrastructure
4 4 (4.17%) Samba
5 3 (3.13%) Cygwin
5 3 (3.13%) VirtualBox
6 1 (1.04%) Hyper-V
6 1 (1.04%) Virtual Desktop
6 1 (1.04%) VMware ESXi
6 1 (1.04%) vSphere
Systems Management
1 29 (30.21%) Puppet
2 12 (12.50%) Salt
3 10 (10.42%) Opscode Chef
4 5 (5.21%) Ansible
5 3 (3.13%) EnCase
5 3 (3.13%) Kubernetes
5 3 (3.13%) Pingdom
6 1 (1.04%) AirWatch
6 1 (1.04%) OpenView
6 1 (1.04%) SCCM
6 1 (1.04%) Symantec Endpoint Protection
6 1 (1.04%) vCenter Server
6 1 (1.04%) vRealize
6 1 (1.04%) yum
6 1 (1.04%) ZABBIX
Vendors
1 10 (10.42%) Microsoft
2 9 (9.38%) Sybase
2 9 (9.38%) VMware
3 8 (8.33%) Dell
4 7 (7.29%) Cisco
4 7 (7.29%) HP
5 5 (5.21%) Atlassian
6 4 (4.17%) Red Hat
6 4 (4.17%) Sun
7 3 (3.13%) AppDynamics
7 3 (3.13%) PagerDuty
8 2 (2.08%) EMC
8 2 (2.08%) NetApp
8 2 (2.08%) Toshiba
9 1 (1.04%) Apple
9 1 (1.04%) Avaya
9 1 (1.04%) Citrix
9 1 (1.04%) IBM
9 1 (1.04%) Intel
9 1 (1.04%) Symantec
Hertfordshire
G2 Recruitment Solutions
Posted: 14 hours ago