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 22 June 2017 with a comparison to the same period in the previous 2 years.

Linux
East of England / Hertfordshire
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 21 16 22
Rank change year-on-year -5 +6  
Permanent jobs citing Linux 200 230 304
As % of all permanent IT jobs advertised in Hertfordshire 9.53% 9.95% 10.61%
As % of the Operating Systems category 36.10% 44.32% 36.10%
Number of salaries quoted 163 169 217
Median salary £48,750 £45,000 £45,000
Median salary % change year-on-year +8.33% -  
90% offered a salary of more than £32,500 £28,000 £30,000
10% offered a salary of more than £70,000 £60,000 £55,000
UK excluding London median salary £42,500 £42,500 £42,000
% change year-on-year - +1.19%  

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 554 519 842
As % of all permanent IT job vacancies advertised in Hertfordshire 26.39% 22.45% 29.38%
Number of salaries quoted 467 418 597
Median salary £37,500 £37,500 £40,000
Median salary % change year-on-year - -6.25%  
90% offered a salary of more than £24,000 £26,000 £26,000
10% offered a salary of more than £60,000 £55,000 £60,000
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 22 June 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 22 June 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 +6 56 £41,250 -7.30% 4
Hatfield -1 41 £57,500 +17.94% 6
Hemel Hempstead -20 19 £33,000 -28.26% 6
Borehamwood -8 12 £47,000 -27.69%
Radlett - 12 £37,500 - 1
Welwyn Garden City -11 11 £47,500 +11.76% 7
St Albans - 9 £52,500 - 1
Hertford -1 7 £35,000 -41.66% 1
Letchworth -10 7 £32,500 -18.75%
Kings Langley +5 5 £70,000 +55.55%
Berkhamsted - 5 £70,000 -
Bishop's Stortford - 3 £35,000 - 2
Welwyn - 2 £60,000 -
Stevenage +1 1 £47,500 -24.00%
Linux
East of England

For the 6 months to 22 June 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.

1 138 (38.12%) Windows
2 124 (34.25%) SQL
3 116 (32.04%) DevOps
4 114 (31.49%) Unix
5 113 (31.22%) Oracle
6 103 (28.45%) Microsoft
7 91 (25.14%) Java
8 84 (23.20%) HTML
9 81 (22.38%) MySQL
9 81 (22.38%) Open Source
10 79 (21.82%) Amazon AWS
11 77 (21.27%) ITIL
11 77 (21.27%) JavaScript
12 75 (20.72%) C#
13 73 (20.17%) Continuous Integration
14 68 (18.78%) CSS
15 65 (17.96%) VMware
16 64 (17.68%) Test Automation
17 63 (17.40%) .NET
18 61 (16.85%) Software Engineering
18 61 (16.85%) Office 365
19 60 (16.57%) jQuery
20 59 (16.30%) PHP
21 58 (16.02%) Agile Software Development
22 57 (15.75%) SOA
23 55 (15.19%) Middleware
23 55 (15.19%) Python
23 55 (15.19%) Degree
23 55 (15.19%) Oracle SOA Suite
24 54 (14.92%) Selenium

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 55 (15.19%) Oracle SOA Suite
2 51 (14.09%) Oracle Service Bus
3 48 (13.26%) Apache
4 37 (10.22%) SharePoint
5 35 (9.67%) WebLogic
6 24 (6.63%) IIS
7 23 (6.35%) MS Exchange
8 21 (5.80%) OpenStack
8 21 (5.80%) Skype for Business
9 16 (4.42%) WebSphere
10 15 (4.14%) Tomcat
11 9 (2.49%) JBoss
12 5 (1.38%) Confluence
12 5 (1.38%) Drupal
13 4 (1.10%) GlassFish
13 4 (1.10%) MQSeries
13 4 (1.10%) WordPress
14 3 (0.83%) Joomla!
14 3 (0.83%) nginx
15 2 (0.55%) WebSphere Application Server
Applications
1 27 (7.46%) Microsoft Office
2 3 (0.83%) SOLIDWORKS
3 2 (0.55%) GNU Octave
3 2 (0.55%) Simulink
Business Applications
1 21 (5.80%) Oracle EBS
2 17 (4.70%) Magento
3 15 (4.14%) Oracle EBS R12
4 6 (1.66%) Oracle Applications
5 3 (0.83%) OpenCart
5 3 (0.83%) Sage 200
6 1 (0.28%) Payment Gateway
Cloud Services
1 79 (21.82%) Amazon AWS
2 61 (16.85%) Office 365
3 33 (9.12%) Microsoft Azure
4 17 (4.70%) PaaS
5 12 (3.31%) IaaS
6 10 (2.76%) AWS CloudFormation
6 10 (2.76%) SaaS
7 6 (1.66%) Amazon CloudWatch
7 6 (1.66%) Amazon EC2
7 6 (1.66%) Amazon S3
7 6 (1.66%) AWS Elastic Beanstalk
7 6 (1.66%) Virtual Private Cloud
8 4 (1.10%) Cloud Computing
8 4 (1.10%) Mimecast
9 3 (0.83%) GitHub
9 3 (0.83%) Oracle Service Cloud
10 1 (0.28%) Azure Active Directory
10 1 (0.28%) Trello
Communications & Networking
1 38 (10.50%) Firewall
2 37 (10.22%) DNS
3 33 (9.12%) VPN
4 31 (8.56%) SAN
5 29 (8.01%) TCP/IP
6 23 (6.35%) VLAN
7 22 (6.08%) DHCP
8 17 (4.70%) LAN
8 17 (4.70%) Remote Desktop
8 17 (4.70%) WAN
9 15 (4.14%) ISDN
9 15 (4.14%) MPLS
9 15 (4.14%) PBX
9 15 (4.14%) VoIP
10 14 (3.87%) Skype
11 10 (2.76%) iSCSI
12 9 (2.49%) ICMP
13 8 (2.21%) FTP
13 8 (2.21%) HTTP
13 8 (2.21%) SMTP
Database & Business Intelligence
1 81 (22.38%) MySQL
2 54 (14.92%) SQL Server
3 31 (8.56%) Oracle Database
4 24 (6.63%) Oracle Database 12c
5 21 (5.80%) PostgreSQL
6 20 (5.52%) Relational Database
7 17 (4.70%) RDBMS
8 15 (4.14%) Oracle Database 11g
9 12 (3.31%) Amazon RDS
10 9 (2.49%) Oracle Database 10g
10 9 (2.49%) Oracle Exadata
11 5 (1.38%) NoSQL
12 4 (1.10%) DB2
12 4 (1.10%) MongoDB
13 3 (0.83%) Informix
14 2 (0.55%) Crystal Reports
14 2 (0.55%) Oracle Reports
14 2 (0.55%) Redis
15 1 (0.28%) CouchDB
15 1 (0.28%) Hadoop
Development Applications
1 54 (14.92%) Selenium
2 51 (14.09%) Subversion
3 38 (10.50%) Git (software)
4 30 (8.29%) JIRA
5 29 (8.01%) VSS/SourceSafe
6 27 (7.46%) Jasmine
6 27 (7.46%) MSTest
6 27 (7.46%) NUnit
7 21 (5.80%) WebDriver
8 16 (4.42%) HP UFT
9 15 (4.14%) Maven
9 15 (4.14%) TeamCity
9 15 (4.14%) Visual Studio Team System
10 13 (3.59%) Ant
11 11 (3.04%) Eclipse
11 11 (3.04%) Jenkins
12 9 (2.49%) Oracle APEX
13 7 (1.93%) JMeter
13 7 (1.93%) LabVIEW
13 7 (1.93%) LoadRunner
General
1 44 (12.15%) Advertising
2 29 (8.01%) Retail
3 27 (7.46%) Finance
4 21 (5.80%) Legal
5 17 (4.70%) Marketing
6 14 (3.87%) Games
7 13 (3.59%) Telecoms
8 9 (2.49%) Automotive
8 9 (2.49%) Publishing
9 4 (1.10%) Multimedia
10 3 (0.83%) Back Office
11 2 (0.55%) French Language
11 2 (0.55%) German Language
11 2 (0.55%) Law
11 2 (0.55%) Swedish Language
12 1 (0.28%) Aerospace
12 1 (0.28%) Banking
Job Titles
1 93 (25.69%) Developer
2 40 (11.05%) Analyst
2 40 (11.05%) DBA
3 38 (10.50%) Oracle DBA
4 36 (9.94%) Administrator
5 33 (9.12%) C# Developer
5 33 (9.12%) Senior Developer
6 31 (8.56%) Software Engineer
7 27 (7.46%) .NET Developer
7 27 (7.46%) Linux Administrator
8 25 (6.91%) Infrastructure Engineer
8 25 (6.91%) Linux Engineer
8 25 (6.91%) Support Engineer
9 23 (6.35%) 3rd Line Engineer
9 23 (6.35%) ASP.NET Developer
9 23 (6.35%) ASP.NET MVC Developer
10 22 (6.08%) C# .NET Developer
10 22 (6.08%) Senior ASP.NET MVC Developer
10 22 (6.08%) Senior C# ASP.NET Developer
10 22 (6.08%) Senior C# Developer
Libraries, Frameworks & Software Standards
1 84 (23.20%) HTML
2 68 (18.78%) CSS
3 63 (17.40%) .NET
4 60 (16.57%) jQuery
5 55 (15.19%) Middleware
6 53 (14.64%) ASP.NET
6 53 (14.64%) LAMP
7 49 (13.54%) ASP.NET MVC
7 49 (13.54%) Twitter Bootstrap
8 47 (12.98%) Web Services
9 41 (11.33%) AngularJS
10 32 (8.84%) XML
11 29 (8.01%) HTML5
12 27 (7.46%) ASP.NET Web API
12 27 (7.46%) CSS3
12 27 (7.46%) KnockoutJS
13 23 (6.35%) Oracle Fusion
14 15 (4.14%) Spring
15 12 (3.31%) PhoneGap
15 12 (3.31%) SOAP
Miscellaneous
1 45 (12.43%) Data Centre
2 44 (12.15%) Computer Science
3 29 (8.01%) User Experience
4 12 (3.31%) Mobile App
5 9 (2.49%) Algorithms
5 9 (2.49%) Analytical Skills
6 8 (2.21%) Distributed Denial-of-Service
6 8 (2.21%) Embedded Systems
7 7 (1.93%) Client/Server
7 7 (1.93%) Data Structures
8 6 (1.66%) Hybrid Cloud
8 6 (1.66%) PACS
8 6 (1.66%) Replication
9 5 (1.38%) Linux Command Line
10 3 (0.83%) Clustering
11 2 (0.55%) e-Learning
11 2 (0.55%) Field-Programmable Gate Array
11 2 (0.55%) Handset
11 2 (0.55%) Management Information System
11 2 (0.55%) VHDL
Operating Systems
1 138 (38.12%) Windows
2 114 (31.49%) Unix
3 47 (12.98%) Windows Server
4 43 (11.88%) Red Hat Enterprise Linux
5 32 (8.84%) CentOS
6 31 (8.56%) Solaris
7 22 (6.08%) Windows Server 2008
7 22 (6.08%) Windows Server 2012
8 15 (4.14%) Windows Server 2003
9 8 (2.21%) Mac OS X
10 6 (1.66%) Ubuntu
11 5 (1.38%) Mac OS
12 4 (1.10%) Windows 10
12 4 (1.10%) Windows 7
13 3 (0.83%) AIX
14 2 (0.55%) Debian
14 2 (0.55%) Kali Linux
15 1 (0.28%) Android
15 1 (0.28%) Apple iOS
Processes & Methodologies
1 116 (32.04%) DevOps
2 81 (22.38%) Open Source
3 77 (21.27%) ITIL
4 73 (20.17%) Continuous Integration
5 64 (17.68%) Test Automation
6 61 (16.85%) Software Engineering
7 58 (16.02%) Agile Software Development
8 57 (15.75%) SOA
9 54 (14.92%) MVC
10 44 (12.15%) E-Commerce
11 38 (10.50%) Mobile Development
12 35 (9.67%) OO
13 29 (8.01%) Performance Tuning
14 28 (7.73%) OOD
14 28 (7.73%) Refactoring
14 28 (7.73%) Translating Business Requirements
15 27 (7.46%) Continuous Deployment
15 27 (7.46%) SOLID
16 24 (6.63%) Business Activity Monitoring
16 24 (6.63%) Problem Management
Programming Languages
1 124 (34.25%) SQL
2 91 (25.14%) Java
3 77 (21.27%) JavaScript
4 75 (20.72%) C#
5 59 (16.30%) PHP
6 55 (15.19%) Python
7 40 (11.05%) Bash Shell
8 37 (10.22%) Shell Script
9 30 (8.29%) Perl
10 21 (5.80%) PowerShell
11 20 (5.52%) C++
12 18 (4.97%) PL/SQL
13 17 (4.70%) Korn
14 14 (3.87%) VBScript
15 12 (3.31%) C
15 12 (3.31%) VB
16 8 (2.21%) Scala
17 7 (1.93%) Ruby
18 5 (1.38%) AWK
19 4 (1.10%) T-SQL
Qualifications
1 55 (15.19%) Degree
2 37 (10.22%) Computer Science Degree
3 11 (3.04%) Microsoft Certification
4 8 (2.21%) VMware Certified Professional (VCP)
5 6 (1.66%) Master's Degree
5 6 (1.66%) OCA
5 6 (1.66%) OCP
5 6 (1.66%) Oracle Certification
6 5 (1.38%) CCNA
6 5 (1.38%) Cisco Certification
7 4 (1.10%) AWS Certification
7 4 (1.10%) CISSP
8 3 (0.83%) CEH
8 3 (0.83%) CISA
8 3 (0.83%) MCSE
9 2 (0.55%) MCSA
10 1 (0.28%) CCA
10 1 (0.28%) CCNP
10 1 (0.28%) Citrix Certification
10 1 (0.28%) RHCE
Quality Assurance & Compliance
1 24 (6.63%) QA
2 21 (5.80%) SLA
3 8 (2.21%) ISO/IEC 27001
4 5 (1.38%) ISO 9001
5 3 (0.83%) PCI DSS
6 2 (0.55%) ISO 13485
7 1 (0.28%) Sarbanes-Oxley
System Software
1 50 (13.81%) VMware Infrastructure
2 46 (12.71%) Active Directory
3 22 (6.08%) VMware ESXi
4 17 (4.70%) Terminal Services
5 15 (4.14%) Oracle RAC
6 12 (3.31%) vSphere
7 11 (3.04%) Docker
8 10 (2.76%) Hyper-V
9 8 (2.21%) KVM
9 8 (2.21%) vCloud
9 8 (2.21%) XenServer
10 3 (0.83%) Xen
11 2 (0.55%) Firmware
11 2 (0.55%) VMware Workstation
12 1 (0.28%) Terminal Server
12 1 (0.28%) Varnish
12 1 (0.28%) XenDesktop
Systems Management
1 52 (14.36%) Puppet
2 34 (9.39%) Opscode Chef
3 20 (5.52%) Ansible
4 15 (4.14%) Data Guard
4 15 (4.14%) Oracle RMAN
5 12 (3.31%) WSUS
6 11 (3.04%) Nagios
7 9 (2.49%) Oracle Enterprise Manager
8 8 (2.21%) SCOM
9 6 (1.66%) HP Quality Center
10 5 (1.38%) cPanel
10 5 (1.38%) Plesk
11 4 (1.10%) Backup Exec
11 4 (1.10%) Kubernetes
11 4 (1.10%) vCenter Server
12 3 (0.83%) Cacti
12 3 (0.83%) Symantec Endpoint Protection
12 3 (0.83%) Symantec Enterprise Vault
12 3 (0.83%) Terraform
13 2 (0.55%) SCCM
Vendors
1 113 (31.22%) Oracle
2 103 (28.45%) Microsoft
3 65 (17.96%) VMware
4 31 (8.56%) Red Hat
5 27 (7.46%) Xamarin
6 19 (5.25%) HP
7 12 (3.31%) IBM
7 12 (3.31%) Salesforce.com
7 12 (3.31%) Sitecore
8 10 (2.76%) Cisco
8 10 (2.76%) NetApp
9 8 (2.21%) Dell
10 7 (1.93%) Citrix
10 7 (1.93%) Sybase
11 6 (1.66%) EMC
12 5 (1.38%) Google
13 4 (1.10%) Avaya
13 4 (1.10%) CheckPoint
13 4 (1.10%) Remedy
13 4 (1.10%) Veeam
Bishop's Stortford, Hertfordshire
Senitor Associates
Salary: £30000 - £40000 per annum + Benefits
Posted: 3 hours ago
Hatfield, Hertfordshire
Understanding Recruitment
Salary: £50000 - £65000 per annum + Shares, Benefits
Posted: 3 days ago
Watford, Hertfordshire
Spring Technology
Posted: 21 hours ago
Rickmansworth, Hertfordshire
ENTERPRISE RECRUITMENT LTD
Salary: £36000 - £40000 per annum
Posted: 2 days ago
Hertford, Hertfordshire
Understanding Recruitment
Salary: £40000.00 - £45000.00 per annum + Benefits
Posted: 3 days ago
Radlett, Hertfordshire
Venturi
Salary: £35000 - £40000 per annum + benefits
Posted: 3 days ago
Hemel Hempstead, Hertfordshire
Understanding Recruitment
Salary: £30000.00 - £36000.00 per annum + Bonus + Benefits
Posted: 3 days ago
Watford, Hertfordshire
Recann
Salary: £50000 - £65000 per annum + Benefits
Posted: Yesterday
Hatfield, Hertfordshire
JM
Salary: £50000 - £65000 per annum + benefits, bonus
Posted: 2 days ago
Hatfield, Hertfordshire
Understanding Recruitment
Salary: £40000.00 - £50000.00 per annum + benefits
Posted: 3 days ago
Hemel Hempstead, Hertfordshire
Understanding Recruitment
Salary: £40000.00 - £45000.00 per annum + Bonus & Benefits
Posted: 3 days ago
Hertfordshire
Exposed Solutions
Salary: £25000 - £30000 per annum
Posted: 4 days ago
Welwyn Garden City
Tesco PLC
Salary: Competitive
Posted: 6 days ago
Welwyn Garden City
Tesco PLC
Salary: Competitive
Posted: 6 days ago
Welwyn Garden City, Hertfordshire
Oscar
Salary: £30000 - £40000 per annum + Benefits
Posted: 4 days ago
Hertfordshire
Interquest - IQ Tech
Salary: £45000 - £60000 per annum + Benefits
Posted: 3 days ago
Welwyn Garden City, Hertfordshire
Oscar
Salary: £30000 - £40000 per annum + benefits
Posted: 4 days ago
Hemel Hempstead, Hertfordshire
Understanding Recruitment
Salary: £30000 - £40000.00 per annum + benefits
Posted: 3 days ago
Hatfield, Hertfordshire
JM
Salary: £50000 - £55000 per annum
Posted: 5 days ago
Hemel Hempstead, Hertfordshire
JM
Salary: £25000 - £28000 per annum + Benefits
Posted: 6 days ago
Hemel Hempstead, Hertfordshire
Understanding Recruitment
Salary: £20000 - £25000 per annum + benefits
Posted: 3 days ago
Harpenden, Hertfordshire
Send
Salary: From £29,000 to £32,000 per annum + Pension + 25 Days Holiday
Posted: 6 days ago
Hertfordshire
Apache Associates
Posted: 9 days ago
Hatfield, Hertfordshire
JM
Salary: £55000 - £70000 per annum + car, bonus
Posted: 6 days ago
Bishop's Stortford, Hertfordshire
Complete Tech Limited
Salary: From £20,000 to £24,000 per annum
Posted: 5 days ago
Hatfield
Interquest - IQ Tech
Salary: £40000 - £45000 per annum + Benefits
Posted: 3 days ago
St Albans
OHO Group Ltd.
Salary: £55000 - £60000 per annum, Benefits: Bonus
Posted: 13 days ago
Watford, Hertfordshire
Firway Consulting
Salary: From £50,000 to £60,000 per annum To £60k + Bens (Depending on Exp)
Posted: 6 days ago
Welwyn Garden City
Recruitment Revolution Limited
Salary: £30,000 - £37,000 Dependant on experience
Posted: 8 days ago
Welwyn Garden City
Tesco PLC
Salary: Competitive
Posted: 9 days ago