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 3 months to 26 April 2017 with a comparison to the same period in the previous 2 years.

Linux
East of England / Hertfordshire
3 months to
26 Apr 2017
Same period 2016 Same period 2015
Rank 30 16 18
Rank change year-on-year -14 +2  
Permanent jobs citing Linux 153 255 303
As % of all permanent IT jobs advertised in Hertfordshire 7.07% 9.88% 11.50%
As % of the Operating Systems category 36.43% 39.78% 37.32%
Number of salaries quoted 124 184 232
Median salary £50,000 £45,000 £42,500
Median salary % change year-on-year +11.11% +5.88%  
90% offered a salary of more than £33,050 £26,500 £27,500
10% offered a salary of more than £70,000 £59,700 £55,000
UK excluding London median salary £42,500 £42,500 £41,500
% change year-on-year - +2.40%  

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 420 641 812
As % of all permanent IT job vacancies advertised in Hertfordshire 19.41% 24.84% 30.83%
Number of salaries quoted 357 497 626
Median salary £40,000 £33,500 £36,000
Median salary % change year-on-year +19.40% -6.94%  
90% offered a salary of more than £23,500 £23,000 £22,000
10% offered a salary of more than £62,500 £55,000 £55,000
UK excluding London median salary £37,500 £37,500 £37,500

Linux
Job Vacancy Trend in Hertfordshire

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

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 3 months to 26 April 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 3 months to 26 April 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
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Watford 0 42 £45,000 - 5
Hatfield -1 20 £60,000 +26.31% 2
Welwyn Garden City -3 15 £45,000 +8.43% 2
Hemel Hempstead -21 12 £70,000 +45.07% 5
St Albans - 10 £70,000 -
Borehamwood -7 8 £50,000 +100.00%
Berkhamsted +1 7 £70,000 +154.54%
Letchworth -8 7 £33,500 -16.25% 3
Kings Langley +5 6 £70,000 +40.00%
Bishop's Stortford - 6 £50,000 -
Hertford -9 4 £30,000 -50.00% 1
Welwyn - 4 £62,500 -
Royston - 3 £65,000 -
Stevenage +6 2 £43,750 -18.60% 3
Linux
East of England

For the 6 months to 26 April 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.

1 153 (38.06%) Windows
2 148 (36.82%) SQL
3 146 (36.32%) Unix
4 131 (32.59%) Oracle
5 128 (31.84%) Microsoft
6 109 (27.11%) DevOps
7 105 (26.12%) Java
8 94 (23.38%) Agile Software Development
9 93 (23.13%) Continuous Integration
10 90 (22.39%) ITIL
11 80 (19.90%) Amazon AWS
12 79 (19.65%) Middleware
12 79 (19.65%) JavaScript
13 77 (19.15%) Open Source
14 75 (18.66%) C#
15 74 (18.41%) HTML
16 72 (17.91%) MySQL
17 70 (17.41%) SQL Server
18 68 (16.92%) SOA
19 64 (15.92%) Python
20 63 (15.67%) CSS
21 62 (15.42%) PHP
21 62 (15.42%) VMware
21 62 (15.42%) Selenium
22 61 (15.17%) VMware Infrastructure
23 60 (14.93%) Finance
24 59 (14.68%) Git (software)
25 58 (14.43%) Oracle SOA Suite
26 57 (14.18%) Office 365
26 57 (14.18%) Oracle Service Bus

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 58 (14.43%) Oracle SOA Suite
2 57 (14.18%) Oracle Service Bus
2 57 (14.18%) WebLogic
3 41 (10.20%) SharePoint
4 36 (8.96%) Apache
5 30 (7.46%) Tomcat
6 25 (6.22%) IIS
7 24 (5.97%) WebSphere
8 17 (4.23%) MS Exchange
9 16 (3.98%) JBoss
9 16 (3.98%) Skype for Business
10 11 (2.74%) Confluence
11 6 (1.49%) OpenStack
12 5 (1.24%) Alfresco
12 5 (1.24%) Captiva
12 5 (1.24%) Documentum
12 5 (1.24%) Drupal
12 5 (1.24%) WebSphere Application Server
12 5 (1.24%) WordPress
13 3 (0.75%) Joomla!
Applications
1 33 (8.21%) Microsoft Office
2 6 (1.49%) Microsoft Excel
3 5 (1.24%) MS Visio
3 5 (1.24%) SOLIDWORKS
4 4 (1.00%) GIMP
4 4 (1.00%) Microsoft PowerPoint
5 3 (0.75%) GNU Octave
5 3 (0.75%) Simulink
Business Applications
1 38 (9.45%) Oracle EBS
2 27 (6.72%) Oracle EBS R12
3 20 (4.98%) Magento
4 13 (3.23%) Oracle Applications
5 5 (1.24%) Sage 200
6 3 (0.75%) OpenCart
7 2 (0.50%) Payment Gateway
Cloud Services
1 80 (19.90%) Amazon AWS
2 57 (14.18%) Office 365
3 13 (3.23%) Amazon EC2
3 13 (3.23%) AWS Elastic Beanstalk
3 13 (3.23%) PaaS
3 13 (3.23%) Virtual Private Cloud
4 11 (2.74%) Amazon CloudWatch
4 11 (2.74%) Amazon S3
4 11 (2.74%) AWS CloudFormation
5 10 (2.49%) IaaS
5 10 (2.49%) Microsoft Azure
6 9 (2.24%) SaaS
7 7 (1.74%) Cloud Computing
8 5 (1.24%) Mimecast
9 1 (0.25%) GitHub
9 1 (0.25%) Google Cloud Platform
9 1 (0.25%) Trello
Communications & Networking
1 31 (7.71%) DNS
1 31 (7.71%) TCP/IP
2 30 (7.46%) Firewall
3 25 (6.22%) SAN
4 24 (5.97%) VPN
5 21 (5.22%) DHCP
6 18 (4.48%) HTTP
7 16 (3.98%) LAN
8 15 (3.73%) WAN
9 12 (2.99%) FTP
9 12 (2.99%) Remote Desktop
10 11 (2.74%) VLAN
10 11 (2.74%) VoIP
11 10 (2.49%) ISDN
11 10 (2.49%) MPLS
11 10 (2.49%) PBX
11 10 (2.49%) Wireshark
12 7 (1.74%) IPsec
12 7 (1.74%) SSH
12 7 (1.74%) SSL
Database & Business Intelligence
1 72 (17.91%) MySQL
2 70 (17.41%) SQL Server
3 43 (10.70%) Oracle Database
4 27 (6.72%) Relational Database
5 26 (6.47%) RDBMS
6 24 (5.97%) Oracle Database 12c
7 18 (4.48%) Amazon RDS
8 15 (3.73%) PostgreSQL
9 12 (2.99%) Oracle Database 11g
10 8 (1.99%) MongoDB
10 8 (1.99%) Redis
11 7 (1.74%) Amazon Redshift
12 6 (1.49%) DB2
13 3 (0.75%) NoSQL
13 3 (0.75%) Oracle Database 10g
13 3 (0.75%) Oracle Exadata
13 3 (0.75%) SQL Server 2012
13 3 (0.75%) SQL Server 2014
14 2 (0.50%) Crystal Reports
14 2 (0.50%) Informix
Development Applications
1 62 (15.42%) Selenium
2 59 (14.68%) Git (software)
3 41 (10.20%) Subversion
4 34 (8.46%) JIRA
5 27 (6.72%) HP UFT
6 26 (6.47%) Jasmine
6 26 (6.47%) MSTest
6 26 (6.47%) NUnit
7 25 (6.22%) VSS/SourceSafe
8 23 (5.72%) Jenkins
8 23 (5.72%) Maven
9 21 (5.22%) WebDriver
10 17 (4.23%) Ant
11 15 (3.73%) JUnit
12 13 (3.23%) Eclipse
13 12 (2.99%) TeamCity
14 10 (2.49%) Visual Studio Team System
15 8 (1.99%) Cucumber
16 7 (1.74%) Atlassian Bamboo
16 7 (1.74%) SoapUI
General
1 60 (14.93%) Finance
2 49 (12.19%) Advertising
3 20 (4.98%) Retail
4 18 (4.48%) Marketing
5 14 (3.48%) Telecoms
6 8 (1.99%) Games
7 6 (1.49%) Legal
8 5 (1.24%) Publishing
9 4 (1.00%) Banking
10 3 (0.75%) Automotive
10 3 (0.75%) Back Office
10 3 (0.75%) Electronics
11 2 (0.50%) Aerospace
11 2 (0.50%) Law
11 2 (0.50%) Manufacturing
11 2 (0.50%) Pharmaceutical
Job Titles
1 90 (22.39%) Developer
2 60 (14.93%) Analyst
3 45 (11.19%) DBA
4 43 (10.70%) Oracle DBA
5 41 (10.20%) Administrator
6 40 (9.95%) Senior Developer
7 38 (9.45%) Software Engineer
8 30 (7.46%) .NET Developer
8 30 (7.46%) C# .NET Developer
8 30 (7.46%) C# Developer
8 30 (7.46%) Senior .NET Developer
8 30 (7.46%) Senior C# .NET Developer
8 30 (7.46%) Senior C# Developer
9 29 (7.21%) ASP.NET Developer
9 29 (7.21%) ASP.NET MVC Developer
9 29 (7.21%) C# ASP.NET Developer
9 29 (7.21%) Senior ASP.NET Developer
9 29 (7.21%) Senior ASP.NET MVC Developer
9 29 (7.21%) Senior C# ASP.NET Developer
10 27 (6.72%) Systems Administrator
Libraries, Frameworks & Software Standards
1 79 (19.65%) Middleware
2 74 (18.41%) HTML
3 63 (15.67%) CSS
4 56 (13.93%) Web Services
5 55 (13.68%) .NET
6 50 (12.44%) LAMP
7 48 (11.94%) AngularJS
8 41 (10.20%) ASP.NET
8 41 (10.20%) ASP.NET MVC
8 41 (10.20%) jQuery
9 33 (8.21%) XML
10 32 (7.96%) HTML5
10 32 (7.96%) Oracle Fusion
10 32 (7.96%) Twitter Bootstrap
11 30 (7.46%) CSS3
12 29 (7.21%) Spring
13 26 (6.47%) ASP.NET Web API
13 26 (6.47%) KnockoutJS
14 21 (5.22%) REST
14 21 (5.22%) SOAP
Miscellaneous
1 37 (9.20%) Computer Science
2 31 (7.71%) User Experience
3 28 (6.97%) Analytical Skills
4 18 (4.48%) Data Centre
5 17 (4.23%) Mobile App
6 12 (2.99%) Algorithms
6 12 (2.99%) Distributed Denial-of-Service
7 5 (1.24%) DataPower
7 5 (1.24%) e-Learning
7 5 (1.24%) PACS
8 4 (1.00%) Client/Server
8 4 (1.00%) Data Structures
8 4 (1.00%) Embedded Systems
8 4 (1.00%) Enterprise Software
8 4 (1.00%) EPoS
9 3 (0.75%) Clustering
9 3 (0.75%) Device Driver
9 3 (0.75%) Greenfield Project
9 3 (0.75%) Smart Home
9 3 (0.75%) Verilog
Operating Systems
1 153 (38.06%) Windows
2 146 (36.32%) Unix
3 57 (14.18%) Solaris
4 49 (12.19%) Windows Server
5 36 (8.96%) Red Hat Enterprise Linux
6 21 (5.22%) CentOS
6 21 (5.22%) Windows Server 2008
7 20 (4.98%) Windows Server 2012
8 10 (2.49%) Mac OS X
9 9 (2.24%) Windows Server 2003
10 8 (1.99%) AIX
11 6 (1.49%) Ubuntu
12 5 (1.24%) Debian
12 5 (1.24%) Windows 10
12 5 (1.24%) Windows 7
13 4 (1.00%) Mac OS
13 4 (1.00%) OpenVMS
14 3 (0.75%) Android
14 3 (0.75%) Apple iOS
14 3 (0.75%) CoreOS
Processes & Methodologies
1 109 (27.11%) DevOps
2 94 (23.38%) Agile Software Development
3 93 (23.13%) Continuous Integration
4 90 (22.39%) ITIL
5 77 (19.15%) Open Source
6 68 (16.92%) SOA
7 52 (12.94%) Software Engineering
8 44 (10.95%) MVC
9 42 (10.45%) Automated Testing
10 41 (10.20%) Mobile Development
10 41 (10.20%) Scrum
11 36 (8.96%) OO
12 33 (8.21%) OOD
12 33 (8.21%) Problem Management
13 32 (7.96%) Business Activity Monitoring
13 32 (7.96%) Web Development
14 31 (7.71%) TDD
15 28 (6.97%) Configuration Management
16 27 (6.72%) Refactoring
16 27 (6.72%) Translating Business Requirements
Programming Languages
1 148 (36.82%) SQL
2 105 (26.12%) Java
3 79 (19.65%) JavaScript
4 75 (18.66%) C#
5 64 (15.92%) Python
6 62 (15.42%) PHP
7 48 (11.94%) Shell Script
8 45 (11.19%) Perl
9 39 (9.70%) Bash Shell
10 31 (7.71%) Ruby
11 30 (7.46%) PowerShell
12 26 (6.47%) C++
13 23 (5.72%) VBScript
14 22 (5.47%) C
15 16 (3.98%) VB
16 14 (3.48%) PL/SQL
17 6 (1.49%) Scala
18 5 (1.24%) VB.NET
19 4 (1.00%) Korn
20 3 (0.75%) T-SQL
Qualifications
1 47 (11.69%) Degree
2 16 (3.98%) Microsoft Certification
3 12 (2.99%) VMware Certified Professional (VCP)
4 8 (1.99%) OCA
4 8 (1.99%) OCP
4 8 (1.99%) Oracle Certification
5 6 (1.49%) CCNA
5 6 (1.49%) Cisco Certification
5 6 (1.49%) ITIL Certification
5 6 (1.49%) RHCE
6 4 (1.00%) MCSA
6 4 (1.00%) MCSE
7 1 (0.25%) CCNP
7 1 (0.25%) JNCIA
7 1 (0.25%) JNCIP
Quality Assurance & Compliance
1 31 (7.71%) QA
2 28 (6.97%) SLA
3 12 (2.99%) ISO/IEC 27001
4 6 (1.49%) ISO 9001
5 2 (0.50%) ISO13485
6 1 (0.25%) PCI DSS
System Software
1 61 (15.17%) VMware Infrastructure
2 39 (9.70%) Active Directory
3 21 (5.22%) vSphere
4 19 (4.73%) Docker
5 17 (4.23%) Oracle RAC
6 14 (3.48%) Hyper-V
7 13 (3.23%) VMware ESXi
8 12 (2.99%) vCloud
9 11 (2.74%) Terminal Services
10 9 (2.24%) VMware ESX
11 6 (1.49%) Dovecot
12 5 (1.24%) Firmware
13 4 (1.00%) Samba
13 4 (1.00%) Virtual Machines
14 3 (0.75%) Xen
15 2 (0.50%) Ceph
15 2 (0.50%) iptables
15 2 (0.50%) VMware Workstation
16 1 (0.25%) FreeRADIUS
16 1 (0.25%) Virtual Servers
Systems Management
1 55 (13.68%) Puppet
2 26 (6.47%) Opscode Chef
3 17 (4.23%) Oracle RMAN
4 14 (3.48%) Ansible
5 11 (2.74%) Data Guard
6 10 (2.49%) vCenter Server
7 7 (1.74%) Nagios
8 6 (1.49%) HAProxy
8 6 (1.49%) Terraform
8 6 (1.49%) vRealize
9 5 (1.24%) Backup Exec
9 5 (1.24%) Symantec Endpoint Protection
9 5 (1.24%) Symantec Enterprise Vault
10 4 (1.00%) HP Quality Center
10 4 (1.00%) WSUS
11 3 (0.75%) Cacti
11 3 (0.75%) Grafana
11 3 (0.75%) Oracle Enterprise Manager
12 2 (0.50%) Capistrano
13 1 (0.25%) Kubernetes
Vendors
1 131 (32.59%) Oracle
2 128 (31.84%) Microsoft
3 62 (15.42%) VMware
4 30 (7.46%) Red Hat
5 26 (6.47%) Xamarin
6 23 (5.72%) Cisco
7 22 (5.47%) IBM
8 19 (4.73%) NetApp
9 16 (3.98%) Salesforce.com
9 16 (3.98%) Sitecore
10 13 (3.23%) EMC
10 13 (3.23%) HP
11 11 (2.74%) Atlassian
11 11 (2.74%) Dell
12 10 (2.49%) Splunk
13 8 (1.99%) Sybase
14 7 (1.74%) Citrix
15 5 (1.24%) CheckPoint
15 5 (1.24%) Sage
15 5 (1.24%) Symantec
Welwyn Garden City, Hertfordshire
Coburg Banks IT
Salary: £50000 - £55000 per annum + Benefits
Posted: 7 hours ago
Watford, Hertfordshire
Premier IT
Salary: £50000 - £55000 per annum + Bonus,, healthcare, vouchers
Posted: 23 hours ago
Letchworth Garden City, Hertfordshire
Understanding Recruitment
Salary: £30000 - £35000 per annum + Benefits
Posted: Yesterday
Watford, Hertfordshire
Premier IT
Salary: £50000 - £55000 per annum + Bonus,, healthcare, vouchers
Posted: 23 hours ago
Stevenage, Hertfordshire
Hays Talent Solutions
Salary: £1 per annum
Posted: Yesterday
Watford, Hertfordshire
Venturi
Salary: £35000 - £45000 per annum + Additional Benefits
Posted: 2 days ago
Hertford
Recruitment Genius Ltd
Salary: £20000 - £22000 per annum
Posted: 2 days ago
Much Hadham, Hertfordshire
Complete Tech Limited
Salary: From £28,000 to £35,000 per annum
Posted: Yesterday
Welwyn Garden City, Hertfordshire
Coburg Banks IT
Salary: £50000 - £55000 per annum + Benefits
Posted: 2 days ago
Stevenage
Computacenter
Salary: Competitive + Benefits
Posted: 2 days ago
Watford, Hertfordshire
Oscar
Salary: £40000 - £50000 per annum
Posted: 6 days ago
Hatfield, Hertfordshire
JM
Salary: £50000 - £65000 per annum + Competitive benefits + bonus
Posted: 5 days ago
Letchworth Garden City, Hertfordshire
Ampersand Consulting
Salary: £30000 - £35000 per annum + Fantastic Benefits
Posted: 5 days ago
Hertfordshire
Austin Fraser
Salary: £45000 - £60000 per annum
Posted: 6 days ago
Letchworth Garden City, Hertfordshire
Capita Resourcing - IT Resourcing
Salary: £30000 - £40000 per annum + pension,health
Posted: 5 days ago
Radlett
Venturi
Salary: £40000 - £50000 per annum + benefits
Posted: 8 days ago
Watford
Venturi
Salary: £40000 - £50000 per annum
Posted: 12 days ago
Hertfordshire
Interquest - IQ Tech
Salary: £45000 - £60000 per annum + Benefits
Posted: 8 days ago
Stevenage, Hertfordshire
ServerChoice
Salary: £23,000 per annum plus excellent benefits
Posted: 13 days ago
Hatfield
Interquest - IQ Tech
Salary: £40000 - £45000 per annum + Benefits
Posted: 8 days ago
Hemel Hempstead
Bluetown Online LTD
Salary: £35000 - £45000 per annum
Posted: 19 days ago
Hemel Hempstead
Bluetown Online LTD
Salary: £45000 - £55000 per annum
Posted: 19 days ago
Hemel Hempstead
Bluetown Online LTD
Salary: £21000 - £27000 per annum
Posted: 23 days ago
Hemel Hempstead
Bluetown Online LTD
Salary: £35000 per annum
Posted: 26 days ago
Hemel Hempstead
Bluetown Online LTD
Salary: £50000 - £60000 per annum
Posted: 22 days ago