Period
to 22 May 2018

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 6 months to 22 May 2018 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
6 months to
22 May 2018
Same period 2017 Same period 2016
Rank 19 18 24
Rank change year-on-year -1 +6 0
Contract jobs citing Linux 104 93 72
As % of all contract IT jobs advertised in Hertfordshire 7.17% 7.53% 5.37%
As % of the Operating Systems category 30.59% 36.76% 27.07%
Number of daily rates quoted 56 52 41
Hertfordshire median daily rate £400 £363 £450
Median daily rate % change year-on-year +10.34% -19.44% +20.00%
10th Percentile £284 £188 £270
90th Percentile £563 £575 £510
East of England median daily rate £425 £425 £450
% change year-on-year - -5.56% +27.57%
Number of hourly rates quoted 0 3 8
Hertfordshire median hourly rate - £31.50 £37.75
Median hourly rate % change year-on-year - -16.56% +12.69%
East of England median hourly rate £40.00 £37.50 £37.50
% change year-on-year +6.67% - -8.54%

Linux is in the Operating Systems category. The following 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.

All Operating Systems
Hertfordshire
Contract vacancies with a requirement for operating system skills 340 253 266
As % of all contract IT jobs advertised in Hertfordshire 23.43% 20.49% 19.85%
Number of daily rates quoted 173 133 127
Hertfordshire median daily rate £375 £320 £375
Median daily rate % change year-on-year +17.19% -14.67% +7.14%
10th Percentile £160 £130 £156
90th Percentile £538 £575 £504
East of England median daily rate £375 £350 £350
% change year-on-year +7.14% - +1.45%
Number of hourly rates quoted 54 25 35
Hertfordshire median hourly rate £13.00 £14.50 £16.00
Median hourly rate % change year-on-year -10.34% -9.38% +3.23%
10th Percentile £8.94 £11.16 £12.50
90th Percentile £24.40 £28.25 £41.25
East of England median hourly rate £15.25 £18.50 £17.50
% change year-on-year -17.57% +5.71% -

Linux
Job Vacancy Trend in Hertfordshire

Job postings citing Linux as a percentage of all IT jobs advertised in Hertfordshire.

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 6 months to 22 May 2018.

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
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 6 months to 22 May 2018. 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Watford +6 23 £475 +35.71% 8
Stevenage +2 18 - - 7
Welwyn Garden City -4 17 £285 -0.87% 6
Hemel Hempstead -9 9 £400 - 8
Hatfield -16 7 £475 +15.15% 5
Rickmansworth -5 4 £375 +28.76%
St Albans +1 1 £300 -40.00%
Borehamwood - 1 - - 2
Linux
East of England

For the 6 months to 22 May 2018, IT contractor jobs citing Linux also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Hertfordshire region with a requirement for Linux.

1 46 (44.23%) Java
2 32 (30.77%) JavaScript
3 24 (23.08%) Windows
3 24 (23.08%) Git (software)
3 24 (23.08%) Analytical Skills
4 23 (22.12%) SQL
4 23 (22.12%) Agile Software Development
5 22 (21.15%) Software Engineering
5 22 (21.15%) MySQL
5 22 (21.15%) E-Commerce
6 20 (19.23%) PHP
7 19 (18.27%) C++
7 19 (18.27%) HTML
7 19 (18.27%) Jenkins
8 18 (17.31%) Problem-Solving
9 17 (16.35%) Continuous Integration
9 17 (16.35%) TCP/IP
9 17 (16.35%) MVC
10 16 (15.38%) Configuration Management
10 16 (15.38%) Bash Shell
10 16 (15.38%) Puppet
11 15 (14.42%) Security Cleared
11 15 (14.42%) HTTP
11 15 (14.42%) CSS
11 15 (14.42%) Apache
12 14 (13.46%) Telecoms
12 14 (13.46%) SC Cleared
12 14 (13.46%) MongoDB
12 14 (13.46%) Node.js
13 13 (12.50%) Magento

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 15 (14.42%) Apache
2 8 (7.69%) Tomcat
3 6 (5.77%) Confluence
3 6 (5.77%) Elasticsearch
3 6 (5.77%) JBoss
3 6 (5.77%) nginx
3 6 (5.77%) WebSphere
3 6 (5.77%) WebSphere Application Server
4 5 (4.81%) OpenStack
5 4 (3.85%) Apache Solr
6 3 (2.88%) CMS
7 2 (1.92%) MQSeries
7 2 (1.92%) Oracle SOA Suite
8 1 (0.96%) Adobe Experience Manager
8 1 (0.96%) IBM HTTP Server
8 1 (0.96%) IIS
Applications
1 3 (2.88%) HipChat
2 2 (1.92%) Microsoft Office
3 1 (0.96%) Microsoft PowerPoint
3 1 (0.96%) Microsoft Project
3 1 (0.96%) MS Visio
Business Applications
1 13 (12.50%) Magento
2 4 (3.85%) Payment Gateway
3 2 (1.92%) BusinessWorks
3 2 (1.92%) SAP Business ByDesign
3 2 (1.92%) SAP Hybris
4 1 (0.96%) Dynamics CRM
Cloud Services
1 8 (7.69%) Google Cloud Platform
2 6 (5.77%) Amazon AWS
2 6 (5.77%) GitHub
3 3 (2.88%) Stackdriver
4 2 (1.92%) Heroku
5 1 (0.96%) Akamai
5 1 (0.96%) IaaS
5 1 (0.96%) Microsoft Azure
Communications & Networking
1 17 (16.35%) TCP/IP
2 15 (14.42%) HTTP
3 9 (8.65%) SSL
4 8 (7.69%) DNS
4 8 (7.69%) Firewall
4 8 (7.69%) Wireshark
5 7 (6.73%) Ethernet
6 6 (5.77%) Internet
7 5 (4.81%) HTTPS
7 5 (4.81%) SAN
7 5 (4.81%) Wireless
8 4 (3.85%) Wi-Fi
9 2 (1.92%) DHCP
9 2 (1.92%) FTP
9 2 (1.92%) IPsec
9 2 (1.92%) iSCSI
9 2 (1.92%) LAN
9 2 (1.92%) SNMP
9 2 (1.92%) WAN
10 1 (0.96%) Cisco ASA
Database & Business Intelligence
1 22 (21.15%) MySQL
2 14 (13.46%) MongoDB
3 13 (12.50%) Relational Database
4 10 (9.62%) DB2
5 7 (6.73%) PostgreSQL
6 6 (5.77%) RDBMS
7 5 (4.81%) Oracle Database
7 5 (4.81%) SQL Server
8 4 (3.85%) DbVisualizer
9 3 (2.88%) Big Data
10 2 (1.92%) Apache Cassandra
10 2 (1.92%) NoSQL
10 2 (1.92%) Redis
11 1 (0.96%) Hazelcast
11 1 (0.96%) Jackrabbit
11 1 (0.96%) Oracle Database 11g
11 1 (0.96%) Oracle Database 12c
11 1 (0.96%) Sybase ASE
Development Applications
1 24 (23.08%) Git (software)
2 19 (18.27%) Jenkins
3 10 (9.62%) Eclipse
4 8 (7.69%) GDB
4 8 (7.69%) JIRA
4 8 (7.69%) Rational DOORS
4 8 (7.69%) Rational Rhapsody
4 8 (7.69%) Rational Team Concert
5 7 (6.73%) NetBeans
5 7 (6.73%) Sonatype Nexus
5 7 (6.73%) Visual Studio
6 6 (5.77%) JMeter
7 5 (4.81%) Gradle
7 5 (4.81%) JUnit
8 4 (3.85%) Artifactory
8 4 (3.85%) Firebug
8 4 (3.85%) LoadRunner
8 4 (3.85%) Subversion
8 4 (3.85%) The Grinder
9 3 (2.88%) Bitbucket
General
1 14 (13.46%) Telecoms
2 7 (6.73%) Military
3 6 (5.77%) Aerospace
3 6 (5.77%) Finance
4 5 (4.81%) Law
5 4 (3.85%) Retail
6 3 (2.88%) Banking
7 2 (1.92%) Billing
8 1 (0.96%) Advertising
8 1 (0.96%) Games
Job Titles
1 34 (32.69%) Developer
2 13 (12.50%) Java Developer
2 13 (12.50%) Software Engineer
3 9 (8.65%) Analyst
3 9 (8.65%) DevOps Engineer
4 8 (7.69%) C++ Software Engineer
4 8 (7.69%) Magento Developer
4 8 (7.69%) Senior Developer
5 6 (5.77%) Consultant
5 6 (5.77%) DBA
6 5 (4.81%) Java Engineer
6 5 (4.81%) MySQL DBA
6 5 (4.81%) Support Engineer
7 4 (3.85%) Administrator
7 4 (3.85%) Designer
7 4 (3.85%) Performance Analyst
8 3 (2.88%) Architect
8 3 (2.88%) Java Software Engineer
8 3 (2.88%) Senior Java Developer
8 3 (2.88%) Systems Engineer
Libraries, Frameworks & Software Standards
1 19 (18.27%) HTML
2 15 (14.42%) CSS
3 14 (13.46%) Node.js
4 13 (12.50%) AngularJS
5 11 (10.58%) Web Services
6 10 (9.62%) Spring
7 9 (8.65%) .NET
7 9 (8.65%) XHTML
8 8 (7.69%) LAMP
8 8 (7.69%) REST
9 7 (6.73%) HTML5
9 7 (6.73%) Qt
9 7 (6.73%) XSL
10 6 (5.77%) ActiveX
10 6 (5.77%) DirectX
10 6 (5.77%) JMS
10 6 (5.77%) MFC
10 6 (5.77%) OpenGL
11 5 (4.81%) Hibernate
11 5 (4.81%) Spring MVC
Miscellaneous
1 24 (23.08%) Analytical Skills
2 8 (7.69%) Data Centre
3 4 (3.85%) Computer Science
3 4 (3.85%) Derivative
4 3 (2.88%) Linux Command Line
4 3 (2.88%) Replication
4 3 (2.88%) Self-Motivation
5 2 (1.92%) Client/Server
5 2 (1.92%) Clustering
5 2 (1.92%) Greenfield Project
5 2 (1.92%) Wiki
6 1 (0.96%) Device Driver
6 1 (0.96%) Digital TV
6 1 (0.96%) FlexPod
6 1 (0.96%) FMCG
6 1 (0.96%) Management Information System
6 1 (0.96%) NHS
6 1 (0.96%) PACS
6 1 (0.96%) STB
6 1 (0.96%) User Experience
Operating Systems
1 24 (23.08%) Windows
2 11 (10.58%) Unix
3 9 (8.65%) Red Hat Enterprise Linux
4 7 (6.73%) CentOS
5 6 (5.77%) Solaris
6 5 (4.81%) AIX
7 4 (3.85%) Ubuntu
8 2 (1.92%) Fedora
8 2 (1.92%) Windows Server
8 2 (1.92%) Windows Server 2003
9 1 (0.96%) Android
9 1 (0.96%) Apple iOS
9 1 (0.96%) FreeBSD
9 1 (0.96%) Kali Linux
9 1 (0.96%) SUSE
9 1 (0.96%) SUSE Linux Enterprise Server
9 1 (0.96%) VxWorks
9 1 (0.96%) Windows 7
9 1 (0.96%) Windows Server 2008
9 1 (0.96%) Windows Server 2012
Processes & Methodologies
1 23 (22.12%) Agile Software Development
2 22 (21.15%) E-Commerce
2 22 (21.15%) Software Engineering
3 18 (17.31%) Problem-Solving
4 17 (16.35%) Continuous Integration
4 17 (16.35%) MVC
5 16 (15.38%) Configuration Management
6 12 (11.54%) DevOps
6 12 (11.54%) OO
7 10 (9.62%) Scrum
8 9 (8.65%) TDD
8 9 (8.65%) UML
9 8 (7.69%) BDD
9 8 (7.69%) High Availability
9 8 (7.69%) OO PHP
10 7 (6.73%) Continuous Delivery
10 7 (6.73%) Microservices
10 7 (6.73%) Open Source
10 7 (6.73%) Performance Testing
10 7 (6.73%) Web Development
Programming Languages
1 46 (44.23%) Java
2 32 (30.77%) JavaScript
3 23 (22.12%) SQL
4 20 (19.23%) PHP
5 19 (18.27%) C++
6 16 (15.38%) Bash Shell
7 13 (12.50%) Python
8 12 (11.54%) C
8 12 (11.54%) Perl
9 9 (8.65%) Ruby
10 8 (7.69%) C#
11 6 (5.77%) GLSL
11 6 (5.77%) HLSL
12 5 (4.81%) Java 8
12 5 (4.81%) PowerShell
13 4 (3.85%) AWK
13 4 (3.85%) ES6
14 2 (1.92%) BeanShell
14 2 (1.92%) Shell Script
14 2 (1.92%) TypeScript
Qualifications
1 15 (14.42%) Security Cleared
2 14 (13.46%) SC Cleared
3 9 (8.65%) Degree
4 2 (1.92%) ITIL Certification
4 2 (1.92%) RHCE
5 1 (0.96%) CCNP
5 1 (0.96%) Cisco Certification
5 1 (0.96%) CISSP
5 1 (0.96%) Master's Degree
5 1 (0.96%) MBA
5 1 (0.96%) PMI Certification
5 1 (0.96%) PMP
Quality Assurance & Compliance
1 4 (3.85%) SLA
2 3 (2.88%) QA
3 2 (1.92%) ISO/IEC 27001
4 1 (0.96%) ECSS
4 1 (0.96%) ISO 9001
System Software
1 8 (7.69%) VMware Infrastructure
2 6 (5.77%) Active Directory
2 6 (5.77%) Docker
3 3 (2.88%) VMware NSX
4 2 (1.92%) XenApp
4 2 (1.92%) XenDesktop
5 1 (0.96%) Xen
Systems Management
1 16 (15.38%) Puppet
2 13 (12.50%) Ansible
3 9 (8.65%) Opscode Chef
4 6 (5.77%) Terraform
5 4 (3.85%) Docker Swarm
5 4 (3.85%) Grafana
5 4 (3.85%) Kibana
5 4 (3.85%) Kubernetes
5 4 (3.85%) logstash
5 4 (3.85%) Salt
6 3 (2.88%) HAProxy
6 3 (2.88%) Rancher
6 3 (2.88%) Red Hat Satellite
7 2 (1.92%) Mesos
8 1 (0.96%) HP Quality Center
8 1 (0.96%) Nessus
8 1 (0.96%) Oracle Enterprise Manager
8 1 (0.96%) Oracle RMAN
8 1 (0.96%) SCOM
8 1 (0.96%) WSUS
Vendors
1 13 (12.50%) Microsoft
1 13 (12.50%) Red Hat
2 12 (11.54%) Oracle
3 10 (9.62%) Splunk
3 10 (9.62%) Zend
4 9 (8.65%) Percona
4 9 (8.65%) VMware
5 8 (7.69%) Google
5 8 (7.69%) IBM
5 8 (7.69%) New Relic
6 7 (6.73%) Atlassian
6 7 (6.73%) hybris
7 6 (5.77%) F5
7 6 (5.77%) Sun
8 4 (3.85%) AppDynamics
8 4 (3.85%) Citrix
8 4 (3.85%) Dynatrace
8 4 (3.85%) Intershop
8 4 (3.85%) SAP
9 3 (2.88%) Capita