Period
to 15 October 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 15 October 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
15 Oct 2018
Same period 2017 Same period 2016
Rank 17 19 13
Rank change year-on-year +2 -6 +5
Contract jobs citing Linux 122 112 119
As % of all contract IT jobs advertised in Hertfordshire 7.67% 7.58% 8.46%
As % of the Operating Systems category 32.71% 35.11% 40.20%
Number of daily rates quoted 60 52 60
Hertfordshire median daily rate £400 £428 £350
Median daily rate % change year-on-year -6.43% +22.14% -3.76%
10th Percentile £313 £293 £204
90th Percentile £551 £575 £447
East of England median daily rate £450 £447 £400
% change year-on-year +0.67% +11.75% +3.23%
Number of hourly rates quoted 7 7 1
Hertfordshire median hourly rate £42.50 £31.50 £31.50
Median hourly rate % change year-on-year +34.92% - -33.68%
10th Percentile £41.00 £22.85 £30.75
90th Percentile £48.25 £46.50 £32.25
East of England median hourly rate £42.50 £42.00 £31.50
% change year-on-year +1.19% +33.33% -16.00%

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 373 319 296
As % of all contract IT jobs advertised in Hertfordshire 23.46% 21.58% 21.04%
Number of daily rates quoted 198 145 148
Hertfordshire median daily rate £350 £375 £350
Median daily rate % change year-on-year -6.67% +7.14% -
10th Percentile £125 £121 £166
90th Percentile £475 £575 £488
East of England median daily rate £400 £385 £350
% change year-on-year +4.03% +9.86% -
Number of hourly rates quoted 55 45 19
Hertfordshire median hourly rate £15.86 £14.50 £14.50
Median hourly rate % change year-on-year +9.38% - +3.57%
10th Percentile £11.70 £11.90 £10.40
90th Percentile £46.85 £37.65 £22.45
East of England median hourly rate £16.50 £24.00 £16.50
% change year-on-year -31.25% +45.45% -10.81%

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 15 October 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 15 October 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
Stevenage +13 44 £410 - 11
Watford -6 15 £500 +2.56% 5
Welwyn Garden City -7 14 £325 +8.33% 2
Hatfield -4 8 £463 -15.91% 19
Hemel Hempstead -9 8 £400 +6.67% 1
Rickmansworth -11 7 £380 -27.62% 1
Royston - 3 £369 - 1
St Albans -4 1 - - 4
Borehamwood - 1 £350 - 2
Linux
East of England

For the 6 months to 15 October 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 62 (50.82%) Windows
2 42 (34.43%) Software Engineering
3 35 (28.69%) Agile Software Development
4 34 (27.87%) SC Cleared
4 34 (27.87%) Security Cleared
4 34 (27.87%) Java
5 31 (25.41%) C++
6 30 (24.59%) JavaScript
6 30 (24.59%) TCP/IP
7 26 (21.31%) Git (software)
8 25 (20.49%) C#
9 24 (19.67%) Node.js
10 23 (18.85%) .NET
10 23 (18.85%) Web Services
11 22 (18.03%) Eclipse
11 22 (18.03%) Microsoft
11 22 (18.03%) Red Hat Enterprise Linux
11 22 (18.03%) PowerShell
12 21 (17.21%) VMware
13 20 (16.39%) Ethernet
13 20 (16.39%) Visual Studio
13 20 (16.39%) Scrum
13 20 (16.39%) NetBeans
13 20 (16.39%) Military
13 20 (16.39%) Aerospace
13 20 (16.39%) Qt
13 20 (16.39%) Degree
14 19 (15.57%) Red Hat
14 19 (15.57%) Bash Shell
14 19 (15.57%) DevOps

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 8 (6.56%) Tomcat
2 7 (5.74%) Elasticsearch
3 6 (4.92%) Confluence
4 5 (4.10%) Apache
5 4 (3.28%) GlassFish
5 4 (3.28%) nginx
5 4 (3.28%) OpenStack
6 2 (1.64%) Oracle SOA Suite
6 2 (1.64%) SharePoint
6 2 (1.64%) WebSphere
7 1 (0.82%) Cloud Foundry
7 1 (0.82%) IBM HTTP Server
7 1 (0.82%) IIS
7 1 (0.82%) MQSeries
7 1 (0.82%) WebLogic
7 1 (0.82%) WebSphere Application Server
Applications
1 3 (2.46%) Microsoft Office
2 1 (0.82%) HipChat
2 1 (0.82%) Microsoft PowerPoint
2 1 (0.82%) Microsoft Project
2 1 (0.82%) MS Visio
Business Applications
1 2 (1.64%) Magento
2 1 (0.82%) Dynamics CRM
Cloud Services
1 12 (9.84%) Amazon AWS
2 8 (6.56%) Google Cloud Platform
3 5 (4.10%) Microsoft Azure
4 3 (2.46%) GitHub
4 3 (2.46%) Heroku
4 3 (2.46%) Stackdriver
5 2 (1.64%) AWS CloudFormation
5 2 (1.64%) IaaS
5 2 (1.64%) Office 365
6 1 (0.82%) Cloud Computing
Communications & Networking
1 30 (24.59%) TCP/IP
2 20 (16.39%) Ethernet
3 10 (8.20%) Firewall
3 10 (8.20%) Wireshark
4 8 (6.56%) DNS
5 7 (5.74%) FTP
5 7 (5.74%) HTTP
6 5 (4.10%) SSL
7 4 (3.28%) SAN
8 3 (2.46%) DKIM
8 3 (2.46%) DMARC
8 3 (2.46%) OSPF
9 2 (1.64%) BGP
9 2 (1.64%) EIGRP
9 2 (1.64%) HTTPS
9 2 (1.64%) Network Security
9 2 (1.64%) RIP
9 2 (1.64%) Wi-Fi
9 2 (1.64%) Wireless
10 1 (0.82%) Cisco ASA
Database & Business Intelligence
1 10 (8.20%) MongoDB
1 10 (8.20%) SQL Server
2 7 (5.74%) Sybase ASE
3 6 (4.92%) MySQL
3 6 (4.92%) SQL Server 2008
4 4 (3.28%) PostgreSQL
4 4 (3.28%) SQL Server Analysis Services
4 4 (3.28%) SQL Server Integration Services
4 4 (3.28%) SQL Server Reporting Services
5 3 (2.46%) Big Data
6 2 (1.64%) DB2
6 2 (1.64%) Oracle Database
6 2 (1.64%) Relational Database
7 1 (0.82%) Hadoop
7 1 (0.82%) MariaDB
7 1 (0.82%) Oracle Database 11g
7 1 (0.82%) Oracle Database 12c
7 1 (0.82%) RDBMS
Development Applications
1 26 (21.31%) Git (software)
2 22 (18.03%) Eclipse
3 20 (16.39%) NetBeans
3 20 (16.39%) Visual Studio
4 16 (13.11%) Jenkins
5 10 (8.20%) GDB
5 10 (8.20%) Rational DOORS
5 10 (8.20%) Rational Rhapsody
5 10 (8.20%) Rational Team Concert
6 7 (5.74%) JIRA
7 5 (4.10%) Subversion
8 4 (3.28%) Artifactory
8 4 (3.28%) Gradle
9 3 (2.46%) GitLab
9 3 (2.46%) gulp
9 3 (2.46%) Sonatype Nexus
9 3 (2.46%) Spock
10 2 (1.64%) Gatling
10 2 (1.64%) Geb
10 2 (1.64%) Maven
General
1 20 (16.39%) Aerospace
1 20 (16.39%) Military
2 8 (6.56%) Law
3 7 (5.74%) Finance
4 6 (4.92%) Telecoms
5 5 (4.10%) Retail
6 2 (1.64%) Advertising
6 2 (1.64%) Pharmaceutical
7 1 (0.82%) Banking
Job Titles
1 21 (17.21%) Developer
2 15 (12.30%) Administrator
2 15 (12.30%) Analyst
3 13 (10.66%) Linux Administrator
3 13 (10.66%) Software Engineer
4 10 (8.20%) C++ Software Engineer
4 10 (8.20%) DevOps Engineer
4 10 (8.20%) Linux Engineer
5 8 (6.56%) Active Directory Analyst
5 8 (6.56%) Data Analyst
5 8 (6.56%) SQL Developer
6 7 (5.74%) Linux Systems Administrator
6 7 (5.74%) Systems Administrator
7 6 (4.92%) Unix Engineer
8 5 (4.10%) Java Developer
8 5 (4.10%) Python Engineer
8 5 (4.10%) Support Engineer
8 5 (4.10%) Unix Support
8 5 (4.10%) Unix Support Engineer
9 4 (3.28%) T-SQL Developer
Libraries, Frameworks & Software Standards
1 24 (19.67%) Node.js
2 23 (18.85%) .NET
2 23 (18.85%) Web Services
3 20 (16.39%) Qt
4 16 (13.11%) ActiveX
4 16 (13.11%) DirectX
4 16 (13.11%) MFC
4 16 (13.11%) OpenGL
5 8 (6.56%) HTML
6 7 (5.74%) CSS
7 5 (4.10%) AngularJS
8 4 (3.28%) Elastic Stack
8 4 (3.28%) HTML5
8 4 (3.28%) LAMP
8 4 (3.28%) LDAP
8 4 (3.28%) REST
8 4 (3.28%) Spring
9 3 (2.46%) Guice
9 3 (2.46%) OAuth
9 3 (2.46%) XHTML
Miscellaneous
1 9 (7.38%) Analytical Skills
2 4 (3.28%) Clustering
3 3 (2.46%) Data Centre
3 3 (2.46%) Derivative
3 3 (2.46%) Fintech
3 3 (2.46%) Management Information System
3 3 (2.46%) Security Operations Centre
4 2 (1.64%) Device Driver
4 2 (1.64%) Replication
5 1 (0.82%) Client/Server
5 1 (0.82%) Cloud Native
5 1 (0.82%) Computer Science
5 1 (0.82%) Enterprise Software
5 1 (0.82%) Greenfield Project
5 1 (0.82%) Mobile App
5 1 (0.82%) Private Cloud
5 1 (0.82%) Virtual Team
Operating Systems
1 62 (50.82%) Windows
2 22 (18.03%) Red Hat Enterprise Linux
3 13 (10.66%) Unix
4 10 (8.20%) Windows Server
5 7 (5.74%) Solaris
5 7 (5.74%) Windows Server 2012
6 6 (4.92%) Windows Server 2003
7 5 (4.10%) CentOS
7 5 (4.10%) Ubuntu
8 4 (3.28%) Debian
8 4 (3.28%) HPUX
9 1 (0.82%) AIX
9 1 (0.82%) DC/OS
9 1 (0.82%) Embedded Linux
9 1 (0.82%) SUSE
9 1 (0.82%) SUSE Linux Enterprise Server
Processes & Methodologies
1 42 (34.43%) Software Engineering
2 35 (28.69%) Agile Software Development
3 20 (16.39%) Scrum
4 19 (15.57%) DevOps
5 18 (14.75%) Mathematics
6 16 (13.11%) ITIL
7 14 (11.48%) Configuration Management
8 11 (9.02%) UML
9 10 (8.20%) Problem-Solving
10 9 (7.38%) Security Management
11 8 (6.56%) Data Analysis
11 8 (6.56%) Data Cleansing
12 7 (5.74%) Infrastructure Engineering
12 7 (5.74%) Microservices
13 6 (4.92%) Project Management
14 5 (4.10%) Incident Management
14 5 (4.10%) Infrastructure Management
14 5 (4.10%) MVC
14 5 (4.10%) SDLC
14 5 (4.10%) Test Automation
Programming Languages
1 34 (27.87%) Java
2 31 (25.41%) C++
3 30 (24.59%) JavaScript
4 25 (20.49%) C#
5 22 (18.03%) PowerShell
6 19 (15.57%) Bash Shell
7 16 (13.11%) GLSL
7 16 (13.11%) HLSL
7 16 (13.11%) Python
8 15 (12.30%) C
8 15 (12.30%) SQL
9 11 (9.02%) Perl
9 11 (9.02%) Shell Script
10 8 (6.56%) T-SQL
11 7 (5.74%) PHP
12 4 (3.28%) Java 8
12 4 (3.28%) Korn
12 4 (3.28%) Ruby
13 3 (2.46%) ES6
13 3 (2.46%) TypeScript
Qualifications
1 34 (27.87%) SC Cleared
1 34 (27.87%) Security Cleared
2 20 (16.39%) Degree
3 1 (0.82%) AWS Certification
3 1 (0.82%) CISM
3 1 (0.82%) CISSP
3 1 (0.82%) Computer Science Degree
3 1 (0.82%) Master's Degree
3 1 (0.82%) MBA
3 1 (0.82%) PMI Certification
3 1 (0.82%) PMP
Quality Assurance & Compliance
1 2 (1.64%) QA
2 1 (0.82%) SLA
System Software
1 12 (9.84%) Active Directory
2 10 (8.20%) Docker
3 9 (7.38%) VMware Infrastructure
4 8 (6.56%) Xen
5 5 (4.10%) VMware ESXi
6 4 (3.28%) Virtual Servers
7 3 (2.46%) Postfix
8 1 (0.82%) Ceph
8 1 (0.82%) FreeRADIUS
8 1 (0.82%) Squid
8 1 (0.82%) VMware NSX
8 1 (0.82%) vSphere
Systems Management
1 18 (14.75%) Puppet
2 12 (9.84%) Opscode Chef
3 9 (7.38%) Ansible
4 8 (6.56%) WSUS
5 7 (5.74%) Terraform
6 5 (4.10%) Docker Swarm
7 4 (3.28%) Kubernetes
7 4 (3.28%) Red Hat Satellite
8 3 (2.46%) HAProxy
8 3 (2.46%) Kibana
8 3 (2.46%) logstash
9 2 (1.64%) Salt
10 1 (0.82%) FortiGate
10 1 (0.82%) Grafana
10 1 (0.82%) HP Quality Center
10 1 (0.82%) Mesos
10 1 (0.82%) Prometheus
10 1 (0.82%) Rancher
10 1 (0.82%) vCenter Server
10 1 (0.82%) yum
Vendors
1 22 (18.03%) Microsoft
2 21 (17.21%) VMware
3 19 (15.57%) Red Hat
4 10 (8.20%) Oracle
5 9 (7.38%) NetApp
5 9 (7.38%) Sybase
6 8 (6.56%) Splunk
7 7 (5.74%) Atlassian
8 6 (4.92%) Google
9 3 (2.46%) F5
9 3 (2.46%) New Relic
9 3 (2.46%) SolarWinds
10 2 (1.64%) Cisco
10 2 (1.64%) Percona
10 2 (1.64%) Symantec
10 2 (1.64%) Xamarin
10 2 (1.64%) Zend
11 1 (0.82%) IBM
11 1 (0.82%) McAfee
11 1 (0.82%) webMethods