Period
to 23 October 2017

The following table provides summary statistics for permanent job vacancies advertised in Hertfordshire with a requirement for Linux skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Linux over the 6 months to 23 October 2017 with a comparison to the same period in the previous 2 years.

Linux
East of England > Hertfordshire
6 months to
23 Oct 2017
Same period 2016 Same period 2015
Rank 18 13 20
Rank change year-on-year -5 +7 0
Permanent jobs citing Linux 448 489 589
As % of all permanent IT jobs advertised in Hertfordshire 10.56% 11.17% 10.67%
As % of the Operating Systems category 36.66% 48.27% 38.17%
Number of salaries quoted 394 400 473
Hertfordshire median annual salary £47,000 £47,500 £45,000
Median salary % change year-on-year -1.05% +5.56% -
10th Percentile £31,250 £28,000 £27,500
90th Percentile £71,250 £68,750 £58,750
East of England median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - +2.27%

Linux is in the Operating Systems category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Hertfordshire with a requirement for operating system skills.

All Operating Systems
Hertfordshire
Permanent vacancies with a requirement for operating system skills 1222 1013 1543
As % of all permanent IT jobs advertised in Hertfordshire 28.80% 23.15% 27.96%
Number of salaries quoted 1033 826 1204
Hertfordshire median annual salary £42,500 £45,000 £42,500
Median salary % change year-on-year -5.56% +5.88% +6.25%
10th Percentile £23,500 £23,750 £25,325
90th Percentile £67,500 £66,250 £58,750
East of England median annual salary £42,500 £42,500 £41,500
% change year-on-year - +2.41% +3.75%

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
Salary Trend in Hertfordshire

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Linux in Hertfordshire.

Salary trend for Linux in Hertfordshire

Linux
Salary Histogram in Hertfordshire

The salary distribution of IT jobs citing Linux in Hertfordshire over the 6 months to 23 October 2017.

Salary histogram for Linux in Hertfordshire

Linux
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Linux within the Hertfordshire region over the 6 months to 23 October 2017. 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Watford +2 112 £45,000 +1.12% 6
Hatfield +4 89 £57,500 - 13
Hemel Hempstead -14 39 £32,500 -31.58% 4
St Albans +21 29 £37,000 -42.64% 3
Hertford +6 22 £42,500 -26.09%
Radlett - 18 £37,500 -
Welwyn Garden City -20 15 £45,000 -7.69%
Borehamwood -22 12 £47,000 +4.44%
Rickmansworth +4 10 £65,000 +7.88% 1
Kings Langley +3 8 £32,500 -52.90%
Berkhamsted +2 8 £32,500 -52.90%
Stevenage -18 8 £36,000 -44.62% 1
Bishop's Stortford - 8 £46,250 - 3
Letchworth -13 7 £33,750 +10.66%
Harpenden - 1 £23,000 -
Linux
East of England

For the 6 months to 23 October 2017, IT jobs citing Linux also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Hertfordshire region with a requirement for Linux.

1 180 (40.18%) Windows
2 127 (28.35%) VMware
3 123 (27.46%) DevOps
4 117 (26.12%) Amazon AWS
4 117 (26.12%) Java
5 98 (21.88%) Unix
6 90 (20.09%) Microsoft
7 86 (19.20%) Open Source
8 82 (18.30%) Python
9 81 (18.08%) Web Services
9 81 (18.08%) E-Commerce
10 78 (17.41%) JavaScript
11 75 (16.74%) Windows Server
12 74 (16.52%) MySQL
13 73 (16.29%) VMware Infrastructure
13 73 (16.29%) Data Centre
14 72 (16.07%) HTML
15 71 (15.85%) Oracle
16 70 (15.63%) Degree
16 70 (15.63%) Puppet
17 69 (15.40%) SQL
18 68 (15.18%) Apache
19 66 (14.73%) Agile Software Development
20 65 (14.51%) OpenStack
21 64 (14.29%) Microsoft Azure
21 64 (14.29%) C#
22 60 (13.39%) XML
22 60 (13.39%) Software Engineering
23 59 (13.17%) Firewall
24 58 (12.95%) CSS

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 68 (15.18%) Apache
2 65 (14.51%) OpenStack
3 41 (9.15%) MS Exchange
4 37 (8.26%) Oracle SOA Suite
5 30 (6.70%) Oracle Service Bus
6 28 (6.25%) Skype for Business
7 26 (5.80%) WebLogic
8 23 (5.13%) WebSphere
9 21 (4.69%) Tomcat
10 16 (3.57%) IIS
10 16 (3.57%) SharePoint
11 11 (2.46%) Exchange Server 2007
11 11 (2.46%) Exchange Server 2010
11 11 (2.46%) Exchange Server 2013
12 8 (1.79%) Confluence
12 8 (1.79%) JBoss
13 7 (1.56%) nginx
14 6 (1.34%) MQSeries
15 4 (0.89%) GlassFish
15 4 (0.89%) WordPress
Applications
1 31 (6.92%) Microsoft Office
2 5 (1.12%) SOLIDWORKS
3 2 (0.45%) GNU Octave
3 2 (0.45%) Simulink
Business Applications
1 5 (1.12%) Magento
1 5 (1.12%) Sage 200
2 4 (0.89%) Oracle EBS
2 4 (0.89%) Oracle EBS R12
2 4 (0.89%) Payment Gateway
Cloud Services
1 117 (26.12%) Amazon AWS
2 64 (14.29%) Microsoft Azure
3 49 (10.94%) Office 365
4 20 (4.46%) PaaS
5 16 (3.57%) Cloud Computing
6 15 (3.35%) Amazon EC2
6 15 (3.35%) AWS CloudFormation
7 12 (2.68%) SaaS
8 11 (2.46%) Amazon CloudWatch
8 11 (2.46%) Amazon S3
8 11 (2.46%) AWS Elastic Beanstalk
8 11 (2.46%) Azure Active Directory
8 11 (2.46%) Virtual Private Cloud
9 7 (1.56%) GitHub
9 7 (1.56%) IaaS
9 7 (1.56%) TestFlight
10 6 (1.34%) Mimecast
11 4 (0.89%) Google App Engine
11 4 (0.89%) Google Cloud Platform
11 4 (0.89%) Google Compute Engine
Communications & Networking
1 59 (13.17%) Firewall
2 45 (10.04%) DNS
2 45 (10.04%) VPN
3 38 (8.48%) TCP/IP
4 32 (7.14%) DHCP
5 26 (5.80%) VLAN
6 25 (5.58%) VoIP
7 22 (4.91%) Remote Desktop
7 22 (4.91%) Skype
8 21 (4.69%) MPLS
8 21 (4.69%) SAN
9 17 (3.79%) LAN
9 17 (3.79%) WAN
10 16 (3.57%) ISDN
10 16 (3.57%) PBX
11 13 (2.90%) HTTP
12 12 (2.68%) iSCSI
12 12 (2.68%) NAS
13 11 (2.46%) Internet
13 11 (2.46%) LDAP
Database & Business Intelligence
1 74 (16.52%) MySQL
2 30 (6.70%) PostgreSQL
3 29 (6.47%) Oracle Database 12c
4 27 (6.03%) Relational Database
5 25 (5.58%) SQL Server
6 23 (5.13%) Amazon RDS
7 20 (4.46%) Oracle Database
8 17 (3.79%) RDBMS
9 13 (2.90%) Oracle Database 11g
10 11 (2.46%) Oracle Database 10g
10 11 (2.46%) Oracle Exadata
11 10 (2.23%) Data Mining
11 10 (2.23%) Hadoop
12 9 (2.01%) MongoDB
13 8 (1.79%) NoSQL
14 5 (1.12%) DB2
15 4 (0.89%) Apache Cassandra
15 4 (0.89%) Redis
15 4 (0.89%) SQL Server Reporting Services
16 2 (0.45%) Jackrabbit
Development Applications
1 43 (9.60%) Subversion
2 23 (5.13%) Git (software)
3 16 (3.57%) Jenkins
3 16 (3.57%) JIRA
3 16 (3.57%) Selenium
4 14 (3.13%) VSS/SourceSafe
5 13 (2.90%) Eclipse
6 12 (2.68%) Jasmine
6 12 (2.68%) MSTest
6 12 (2.68%) NUnit
7 11 (2.46%) JConsole
7 11 (2.46%) Maven
7 11 (2.46%) Oracle APEX
7 11 (2.46%) VisualVM
8 9 (2.01%) JUnit
8 9 (2.01%) Mockito
9 8 (1.79%) Visual Studio
10 7 (1.56%) EasyMock
10 7 (1.56%) TeamCity
10 7 (1.56%) Visual Studio Team System
General
1 53 (11.83%) Retail
2 36 (8.04%) Advertising
2 36 (8.04%) Finance
3 31 (6.92%) Games
4 25 (5.58%) Legal
5 18 (4.02%) Telecoms
6 17 (3.79%) Multimedia
7 16 (3.57%) Marketing
8 14 (3.13%) Automotive
9 11 (2.46%) Publishing
10 4 (0.89%) Law
11 2 (0.45%) Electronics
11 2 (0.45%) French Language
11 2 (0.45%) German Language
11 2 (0.45%) Military
11 2 (0.45%) Swedish Language
12 1 (0.22%) Banking
12 1 (0.22%) Manufacturing
Job Titles
1 106 (23.66%) Developer
2 46 (10.27%) Analyst
3 42 (9.38%) Infrastructure Engineer
4 38 (8.48%) Linux Engineer
5 30 (6.70%) Administrator
5 30 (6.70%) DevOps Engineer
5 30 (6.70%) Support Engineer
6 27 (6.03%) VMware Engineer
7 26 (5.80%) C# Developer
7 26 (5.80%) DBA
7 26 (5.80%) Oracle DBA
7 26 (5.80%) Support Analyst
8 22 (4.91%) Systems Engineer
9 21 (4.69%) 3rd Line Engineer
9 21 (4.69%) Java Developer
9 21 (4.69%) PHP Developer
10 20 (4.46%) 3rd Line Support
10 20 (4.46%) Senior Developer
10 20 (4.46%) Software Engineer
11 19 (4.24%) .NET Developer
Libraries, Frameworks & Software Standards
1 81 (18.08%) Web Services
2 72 (16.07%) HTML
3 60 (13.39%) XML
4 58 (12.95%) CSS
5 52 (11.61%) .NET
6 49 (10.94%) ASP.NET
7 42 (9.38%) jQuery
8 37 (8.26%) AngularJS
9 34 (7.59%) Middleware
9 34 (7.59%) Twitter Bootstrap
10 32 (7.14%) ASP.NET MVC
11 23 (5.13%) LAMP
12 22 (4.91%) SOAP
13 18 (4.02%) REST
14 16 (3.57%) HTML5
14 16 (3.57%) Oracle Fusion
14 16 (3.57%) Spring
15 15 (3.35%) CSS3
16 14 (3.13%) XML Messaging
17 13 (2.90%) XSL
Miscellaneous
1 73 (16.29%) Data Centre
2 55 (12.28%) Computer Science
3 26 (5.80%) Analytical Skills
4 14 (3.13%) Management Information System
5 12 (2.68%) Mobile App
5 12 (2.68%) User Experience
6 11 (2.46%) Private Cloud
6 11 (2.46%) Replication
7 10 (2.23%) Algorithms
7 10 (2.23%) Blog
8 8 (1.79%) iPhone
9 6 (1.34%) Handset
9 6 (1.34%) Hybrid Cloud
10 5 (1.12%) Enterprise Software
10 5 (1.12%) Linux Command Line
10 5 (1.12%) Virtual Team
11 4 (0.89%) Embedded Systems
12 3 (0.67%) Client/Server
12 3 (0.67%) Data Structures
12 3 (0.67%) Field-Programmable Gate Array
Operating Systems
1 180 (40.18%) Windows
2 98 (21.88%) Unix
3 75 (16.74%) Windows Server
4 38 (8.48%) Red Hat Enterprise Linux
5 36 (8.04%) CentOS
6 34 (7.59%) Windows Server 2008
7 32 (7.14%) Windows Server 2012
8 28 (6.25%) Ubuntu
9 22 (4.91%) Solaris
10 17 (3.79%) Windows 7
11 16 (3.57%) Windows 10
11 16 (3.57%) Windows Server 2003
12 14 (3.13%) Mac OS
12 14 (3.13%) Mac OS X
13 13 (2.90%) Android
14 12 (2.68%) Apple iOS
15 10 (2.23%) Debian
16 9 (2.01%) AIX
16 9 (2.01%) CoreOS
17 6 (1.34%) Windows 8
Processes & Methodologies
1 123 (27.46%) DevOps
2 86 (19.20%) Open Source
3 81 (18.08%) E-Commerce
4 66 (14.73%) Agile Software Development
5 60 (13.39%) Software Engineering
6 55 (12.28%) ITIL
7 43 (9.60%) Continuous Integration
8 42 (9.38%) MVC
9 38 (8.48%) Performance Tuning
10 37 (8.26%) SOA
11 31 (6.92%) Test Automation
12 28 (6.25%) Business Intelligence
12 28 (6.25%) OO
13 27 (6.03%) Information Security
13 27 (6.03%) Mentoring
14 22 (4.91%) Scrum
14 22 (4.91%) Server Building
15 21 (4.69%) Logistics
16 20 (4.46%) TDD
17 19 (4.24%) Load Balancing
Programming Languages
1 117 (26.12%) Java
2 82 (18.30%) Python
3 78 (17.41%) JavaScript
4 69 (15.40%) SQL
5 64 (14.29%) C#
6 56 (12.50%) Bash Shell
7 42 (9.38%) PHP
8 34 (7.59%) C++
8 34 (7.59%) Shell Script
9 33 (7.37%) C
10 29 (6.47%) PowerShell
11 22 (4.91%) Perl
12 19 (4.24%) Korn
12 19 (4.24%) Ruby
13 17 (3.79%) PL/SQL
14 12 (2.68%) VB
15 10 (2.23%) VBScript
16 6 (1.34%) VB.NET
17 5 (1.12%) AWK
17 5 (1.12%) VBA
Qualifications
1 70 (15.63%) Degree
2 32 (7.14%) Computer Science Degree
3 12 (2.68%) CISSP
4 10 (2.23%) Cisco Certification
5 9 (2.01%) CCNA
5 9 (2.01%) CISA
5 9 (2.01%) VMware Certified Professional (VCP)
6 8 (1.79%) CEH
7 6 (1.34%) Master's Degree
8 5 (1.12%) CISM
8 5 (1.12%) Microsoft Certification
9 4 (0.89%) AWS Certification
10 2 (0.45%) CCNP
10 2 (0.45%) HND
10 2 (0.45%) MCSE
10 2 (0.45%) PhD
10 2 (0.45%) SC Cleared
10 2 (0.45%) Security Cleared
11 1 (0.22%) MCP
11 1 (0.22%) MCSA
Quality Assurance & Compliance
1 23 (5.13%) SLA
2 9 (2.01%) PCI DSS
3 7 (1.56%) QA
4 6 (1.34%) ISO/IEC 27001
5 4 (0.89%) COBIT
5 4 (0.89%) GDPR
5 4 (0.89%) ISO 22301
5 4 (0.89%) ISO 9001
6 3 (0.67%) Sarbanes-Oxley
7 1 (0.22%) ECSS
7 1 (0.22%) SEPA
System Software
1 73 (16.29%) VMware Infrastructure
2 51 (11.38%) Active Directory
3 39 (8.71%) VMware ESXi
4 37 (8.26%) Docker
5 22 (4.91%) Terminal Services
5 22 (4.91%) vSphere
6 18 (4.02%) Hyper-V
7 13 (2.90%) Ceph
8 11 (2.46%) Oracle RAC
9 8 (1.79%) KVM
9 8 (1.79%) XenServer
10 6 (1.34%) VMware Workstation
11 4 (0.89%) VMware NSX
12 3 (0.67%) Firmware
13 2 (0.45%) Microsoft App-V
13 2 (0.45%) Postfix
13 2 (0.45%) PowerDNS
14 1 (0.22%) Varnish
14 1 (0.22%) vCloud
14 1 (0.22%) XenDesktop
Systems Management
1 70 (15.63%) Puppet
2 56 (12.50%) Opscode Chef
3 41 (9.15%) Ansible
4 38 (8.48%) Kubernetes
5 16 (3.57%) WSUS
6 13 (2.90%) Oracle Enterprise Manager
7 11 (2.46%) Data Guard
7 11 (2.46%) Oracle RMAN
8 10 (2.23%) Cobbler
8 10 (2.23%) Nagios
8 10 (2.23%) vCenter Server
9 8 (1.79%) SCOM
10 6 (1.34%) Backup Exec
11 5 (1.12%) cPanel
11 5 (1.12%) Plesk
12 4 (0.89%) Capistrano
12 4 (0.89%) Terraform
13 3 (0.67%) SCCM
13 3 (0.67%) Symantec Endpoint Protection
13 3 (0.67%) Symantec Enterprise Vault
Vendors
1 127 (28.35%) VMware
2 90 (20.09%) Microsoft
3 71 (15.85%) Oracle
4 35 (7.81%) IBM
5 28 (6.25%) Red Hat
6 21 (4.69%) Google
7 20 (4.46%) Citrix
8 19 (4.24%) Cisco
8 19 (4.24%) HP
8 19 (4.24%) NetApp
9 18 (4.02%) Veeam
10 15 (3.35%) Dell
11 12 (2.68%) Xamarin
12 10 (2.23%) Avaya
13 8 (1.79%) EMC
13 8 (1.79%) Siemens
13 8 (1.79%) Sybase
14 7 (1.56%) Intel
15 6 (1.34%) Splunk
16 5 (1.12%) Sitecore