Period
to 19 August 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 19 August 2017 with a comparison to the same period in the previous 2 years.

Linux
East of England > Hertfordshire
6 months to
19 Aug 2017
Same period 2016 Same period 2015
Rank 22 16 20
Rank change year-on-year -6 +4 -3
Permanent jobs citing Linux 376 477 599
As % of all permanent IT jobs advertised in Hertfordshire 9.10% 10.55% 10.90%
As % of the Operating Systems category 36.29% 44.00% 37.00%
Number of salaries quoted 366 394 466
Hertfordshire median annual salary £49,250 £45,000 £45,000
Median salary % change year-on-year +9.44% - -
10th Percentile £31,250 £25,750 £27,500
90th Percentile £72,500 £65,000 £57,500
East of England median annual salary £46,902 £45,000 £44,000
% change year-on-year +4.23% +2.27% +3.53%

Linux is in the operating system skills category. The next 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.

Operating System Skills
Hertfordshire
Permanent job vacancies with a requirement for operating system skills 1036 1084 1619
As % of all permanent IT job vacancies advertised in Hertfordshire 25.08% 23.98% 29.46%
Number of salaries quoted 880 888 1211
Hertfordshire median annual salary £42,500 £42,500 £42,000
Median salary % change year-on-year - +1.19% +5.00%
10th Percentile £24,000 £24,000 £25,000
90th Percentile £66,250 £65,000 £58,750
East of England median annual salary £42,500 £42,500 £40,000
% change year-on-year - +6.25% -

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 19 August 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 19 August 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 +6 105 £45,000 +1.12% 7
Hatfield +4 71 £57,500 +15.00% 5
Hemel Hempstead -22 40 £42,500 -7.61% 1
Welwyn Garden City -5 22 £45,000 -3.23%
St Albans +18 20 £70,000 +1.45%
Hertford +1 19 £42,500 -29.17% 2
Radlett - 16 £37,500 - 1
Borehamwood -20 15 £47,000 +4.44%
Kings Langley +7 14 £70,000 +1.45%
Berkhamsted 0 14 £70,000 +1.45%
Letchworth -19 12 £33,500 +9.84% 2
Rickmansworth +8 5 £65,000 +7.88% 1
Bishop's Stortford - 4 £37,500 - 1
Royston -2 3 £65,000 +85.71%
Welwyn - 3 £60,000 -
Stevenage -5 2 £43,750 -30.00%
Linux
East of England

For the 6 months to 19 August 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.

1 149 (39.63%) Windows
2 112 (29.79%) DevOps
3 98 (26.06%) Amazon AWS
4 95 (25.27%) Microsoft
5 91 (24.20%) Unix
6 88 (23.40%) Java
7 84 (22.34%) Oracle
8 82 (21.81%) VMware
9 80 (21.28%) JavaScript
9 80 (21.28%) SQL
10 78 (20.74%) HTML
11 76 (20.21%) MySQL
12 71 (18.88%) Open Source
13 68 (18.09%) Web Services
14 66 (17.55%) CSS
15 64 (17.02%) E-Commerce
16 63 (16.76%) Python
17 62 (16.49%) C#
17 62 (16.49%) jQuery
18 61 (16.22%) ITIL
19 59 (15.69%) Apache
20 58 (15.43%) Puppet
21 57 (15.16%) Firewall
22 55 (14.63%) Continuous Integration
22 55 (14.63%) Degree
23 54 (14.36%) Agile Software Development
23 54 (14.36%) Data Centre
24 53 (14.10%) Windows Server
24 53 (14.10%) Office 365
24 53 (14.10%) VMware Infrastructure

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 59 (15.69%) Apache
2 46 (12.23%) Oracle SOA Suite
3 42 (11.17%) Oracle Service Bus
4 38 (10.11%) MS Exchange
5 28 (7.45%) OpenStack
6 27 (7.18%) WebLogic
7 24 (6.38%) SharePoint
7 24 (6.38%) Skype for Business
8 21 (5.59%) Tomcat
9 19 (5.05%) WebSphere
10 17 (4.52%) IIS
11 8 (2.13%) Exchange Server 2007
11 8 (2.13%) Exchange Server 2010
11 8 (2.13%) Exchange Server 2013
12 6 (1.60%) nginx
12 6 (1.60%) WordPress
13 5 (1.33%) Drupal
13 5 (1.33%) JBoss
14 4 (1.06%) GlassFish
14 4 (1.06%) MQSeries
Applications
1 29 (7.71%) Microsoft Office
2 3 (0.80%) SOLIDWORKS
3 2 (0.53%) GNU Octave
3 2 (0.53%) Simulink
Business Applications
1 9 (2.39%) Oracle EBS
1 9 (2.39%) Oracle EBS R12
2 7 (1.86%) Magento
3 4 (1.06%) Payment Gateway
4 3 (0.80%) Sage 200
5 2 (0.53%) OpenCart
Cloud Services
1 98 (26.06%) Amazon AWS
2 53 (14.10%) Office 365
3 47 (12.50%) Microsoft Azure
4 22 (5.85%) PaaS
5 14 (3.72%) AWS CloudFormation
6 12 (3.19%) Amazon EC2
6 12 (3.19%) IaaS
7 11 (2.93%) SaaS
8 10 (2.66%) Amazon CloudWatch
8 10 (2.66%) Amazon S3
8 10 (2.66%) Virtual Private Cloud
9 9 (2.39%) AWS Elastic Beanstalk
10 8 (2.13%) Azure Active Directory
11 6 (1.60%) TestFlight
12 5 (1.33%) Cloud Computing
13 3 (0.80%) GitHub
13 3 (0.80%) Mimecast
13 3 (0.80%) Oracle Service Cloud
14 2 (0.53%) Amazon Glacier
14 2 (0.53%) AWS CloudTrail
Communications & Networking
1 57 (15.16%) Firewall
2 41 (10.90%) VPN
3 40 (10.64%) DNS
4 30 (7.98%) VLAN
5 29 (7.71%) TCP/IP
6 28 (7.45%) DHCP
7 24 (6.38%) SAN
8 23 (6.12%) MPLS
9 22 (5.85%) LAN
9 22 (5.85%) VoIP
9 22 (5.85%) WAN
10 21 (5.59%) Remote Desktop
10 21 (5.59%) Skype
11 20 (5.32%) ISDN
11 20 (5.32%) PBX
12 12 (3.19%) iSCSI
13 11 (2.93%) HTTP
14 10 (2.66%) SMTP
15 9 (2.39%) NAS
16 8 (2.13%) IMAP
Database & Business Intelligence
1 76 (20.21%) MySQL
2 31 (8.24%) PostgreSQL
3 30 (7.98%) SQL Server
4 26 (6.91%) Oracle Database 12c
5 21 (5.59%) Oracle Database
6 16 (4.26%) Amazon RDS
7 14 (3.72%) Relational Database
8 11 (2.93%) Oracle Database 11g
8 11 (2.93%) RDBMS
9 9 (2.39%) Oracle Database 10g
9 9 (2.39%) Oracle Exadata
10 5 (1.33%) Data Mining
10 5 (1.33%) DB2
10 5 (1.33%) Hadoop
11 4 (1.06%) MongoDB
11 4 (1.06%) NoSQL
12 2 (0.53%) Redis
13 1 (0.27%) CouchDB
13 1 (0.27%) Crystal Reports
13 1 (0.27%) Informix
Development Applications
1 48 (12.77%) Subversion
2 38 (10.11%) Selenium
3 33 (8.78%) Git (software)
4 22 (5.85%) VSS/SourceSafe
5 20 (5.32%) Jasmine
5 20 (5.32%) JIRA
5 20 (5.32%) MSTest
5 20 (5.32%) NUnit
6 17 (4.52%) Jenkins
7 15 (3.99%) Eclipse
8 13 (3.46%) WebDriver
9 12 (3.19%) TeamCity
9 12 (3.19%) Visual Studio Team System
10 11 (2.93%) Maven
11 9 (2.39%) Oracle APEX
12 8 (2.13%) HP UFT
12 8 (2.13%) JConsole
12 8 (2.13%) Visual Studio
12 8 (2.13%) VisualVM
13 7 (1.86%) Ant
General
1 44 (11.70%) Advertising
2 38 (10.11%) Retail
3 27 (7.18%) Games
4 25 (6.65%) Legal
5 14 (3.72%) Finance
6 13 (3.46%) Marketing
7 12 (3.19%) Automotive
8 11 (2.93%) Telecoms
9 9 (2.39%) Publishing
10 6 (1.60%) Multimedia
11 4 (1.06%) Law
12 3 (0.80%) Back Office
13 2 (0.53%) French Language
13 2 (0.53%) German Language
13 2 (0.53%) Swedish Language
14 1 (0.27%) Banking
Job Titles
1 90 (23.94%) Developer
2 41 (10.90%) Analyst
3 34 (9.04%) Infrastructure Engineer
4 32 (8.51%) Support Engineer
5 30 (7.98%) Linux Engineer
6 29 (7.71%) Administrator
6 29 (7.71%) DBA
7 28 (7.45%) Oracle DBA
8 27 (7.18%) C# Developer
9 23 (6.12%) Linux Administrator
9 23 (6.12%) PHP Developer
10 22 (5.85%) 3rd Line Support
11 20 (5.32%) 3rd Line Engineer
11 20 (5.32%) DevOps Engineer
11 20 (5.32%) Senior Developer
11 20 (5.32%) Support Analyst
12 19 (5.05%) .NET Developer
12 19 (5.05%) 3rd Line Support Engineer
13 17 (4.52%) Applications Support
13 17 (4.52%) Applications Support Analyst
Libraries, Frameworks & Software Standards
1 78 (20.74%) HTML
2 68 (18.09%) Web Services
3 66 (17.55%) CSS
4 62 (16.49%) jQuery
5 52 (13.83%) .NET
6 46 (12.23%) XML
7 45 (11.97%) ASP.NET
7 45 (11.97%) Twitter Bootstrap
8 44 (11.70%) Middleware
9 43 (11.44%) AngularJS
10 40 (10.64%) ASP.NET MVC
11 35 (9.31%) LAMP
12 21 (5.59%) CSS3
12 21 (5.59%) HTML5
13 20 (5.32%) ASP.NET Web API
13 20 (5.32%) KnockoutJS
13 20 (5.32%) Oracle Fusion
14 18 (4.79%) SOAP
15 15 (3.99%) REST
16 13 (3.46%) XML Messaging
Miscellaneous
1 54 (14.36%) Data Centre
2 42 (11.17%) Computer Science
3 22 (5.85%) User Experience
4 15 (3.99%) Analytical Skills
5 14 (3.72%) Mobile App
6 11 (2.93%) Management Information System
7 10 (2.66%) Replication
8 8 (2.13%) Embedded Systems
9 7 (1.86%) Algorithms
10 6 (1.60%) Hybrid Cloud
10 6 (1.60%) Linux Command Line
10 6 (1.60%) PACS
11 5 (1.33%) Blog
11 5 (1.33%) Client/Server
11 5 (1.33%) Data Structures
11 5 (1.33%) iPhone
12 3 (0.80%) Driving Licence
13 2 (0.53%) Field-Programmable Gate Array
13 2 (0.53%) Public Cloud
13 2 (0.53%) VHDL
Operating Systems
1 149 (39.63%) Windows
2 91 (24.20%) Unix
3 53 (14.10%) Windows Server
4 39 (10.37%) Red Hat Enterprise Linux
5 31 (8.24%) CentOS
6 28 (7.45%) Windows Server 2008
7 27 (7.18%) Windows Server 2012
8 22 (5.85%) Solaris
9 20 (5.32%) Windows Server 2003
10 13 (3.46%) Ubuntu
11 11 (2.93%) Mac OS X
12 9 (2.39%) Android
12 9 (2.39%) Apple iOS
12 9 (2.39%) Mac OS
13 7 (1.86%) Windows 10
13 7 (1.86%) Windows 7
14 5 (1.33%) AIX
15 4 (1.06%) Debian
15 4 (1.06%) Kali Linux
16 3 (0.80%) CoreOS
Processes & Methodologies
1 112 (29.79%) DevOps
2 71 (18.88%) Open Source
3 64 (17.02%) E-Commerce
4 61 (16.22%) ITIL
5 55 (14.63%) Continuous Integration
6 54 (14.36%) Agile Software Development
7 47 (12.50%) Test Automation
8 46 (12.23%) SOA
9 45 (11.97%) Software Engineering
10 43 (11.44%) MVC
11 32 (8.51%) Performance Tuning
12 27 (7.18%) Business Intelligence
12 27 (7.18%) Mentoring
13 26 (6.91%) OO
14 25 (6.65%) Mobile Development
15 22 (5.85%) Business Activity Monitoring
16 21 (5.59%) Refactoring
16 21 (5.59%) Translating Business Requirements
17 20 (5.32%) Load Balancing
17 20 (5.32%) OOD
Programming Languages
1 88 (23.40%) Java
2 80 (21.28%) JavaScript
2 80 (21.28%) SQL
3 63 (16.76%) Python
4 62 (16.49%) C#
5 49 (13.03%) PHP
6 42 (11.17%) Bash Shell
7 32 (8.51%) Shell Script
8 27 (7.18%) PowerShell
9 25 (6.65%) Perl
10 19 (5.05%) C++
11 17 (4.52%) Korn
12 15 (3.99%) PL/SQL
13 13 (3.46%) C
14 12 (3.19%) VB
15 11 (2.93%) Ruby
15 11 (2.93%) VBScript
16 5 (1.33%) AWK
16 5 (1.33%) Scala
17 3 (0.80%) Groovy
Qualifications
1 55 (14.63%) Degree
2 33 (8.78%) Computer Science Degree
3 10 (2.66%) Cisco Certification
4 9 (2.39%) CCNA
5 8 (2.13%) CEH
6 7 (1.86%) CISSP
7 6 (1.60%) Master's Degree
7 6 (1.60%) VMware Certified Professional (VCP)
8 5 (1.33%) Microsoft Certification
9 4 (1.06%) AWS Certification
9 4 (1.06%) CISA
10 2 (0.53%) CCNP
10 2 (0.53%) MCSE
11 1 (0.27%) CCA
11 1 (0.27%) CCIE
11 1 (0.27%) Citrix Certification
11 1 (0.27%) MCSA
Quality Assurance & Compliance
1 20 (5.32%) SLA
2 17 (4.52%) QA
3 4 (1.06%) ISO 9001
3 4 (1.06%) PCI DSS
4 3 (0.80%) Sarbanes-Oxley
5 1 (0.27%) ISO 13485
5 1 (0.27%) ISO/IEC 27001
5 1 (0.27%) SEPA
System Software
1 53 (14.10%) VMware Infrastructure
2 47 (12.50%) Active Directory
3 25 (6.65%) VMware ESXi
4 21 (5.59%) Terminal Services
5 20 (5.32%) Docker
6 10 (2.66%) Hyper-V
7 9 (2.39%) Oracle RAC
8 8 (2.13%) KVM
8 8 (2.13%) XenServer
9 7 (1.86%) vSphere
10 2 (0.53%) Ceph
10 2 (0.53%) Firmware
10 2 (0.53%) Postfix
10 2 (0.53%) PowerDNS
10 2 (0.53%) Xen
11 1 (0.27%) Terminal Server
11 1 (0.27%) Varnish
11 1 (0.27%) vCloud
11 1 (0.27%) VMware Workstation
11 1 (0.27%) XenDesktop
Systems Management
1 58 (15.43%) Puppet
2 40 (10.64%) Opscode Chef
3 33 (8.78%) Ansible
4 20 (5.32%) WSUS
5 12 (3.19%) Nagios
6 11 (2.93%) Kubernetes
6 11 (2.93%) Oracle Enterprise Manager
7 9 (2.39%) Data Guard
7 9 (2.39%) Oracle RMAN
8 8 (2.13%) SCOM
9 5 (1.33%) Cobbler
9 5 (1.33%) cPanel
9 5 (1.33%) HP Quality Center
9 5 (1.33%) Plesk
10 4 (1.06%) Cacti
10 4 (1.06%) Capistrano
11 3 (0.80%) Backup Exec
11 3 (0.80%) Terraform
12 2 (0.53%) Symantec Endpoint Protection
12 2 (0.53%) Symantec Enterprise Vault
Vendors
1 95 (25.27%) Microsoft
2 84 (22.34%) Oracle
3 82 (21.81%) VMware
4 23 (6.12%) IBM
4 23 (6.12%) Red Hat
5 20 (5.32%) Xamarin
6 19 (5.05%) HP
7 15 (3.99%) Cisco
8 13 (3.46%) NetApp
9 10 (2.66%) Google
9 10 (2.66%) Veeam
10 9 (2.39%) Dell
10 9 (2.39%) Sybase
11 8 (2.13%) EMC
11 8 (2.13%) Salesforce.com
11 8 (2.13%) Sitecore
12 6 (1.60%) Citrix
13 5 (1.33%) Apple
14 4 (1.06%) Facebook
15 3 (0.80%) Rackspace