Period
to 17 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 17 October 2017 with a comparison to the same period in the previous 2 years.

Linux
East of England > Hertfordshire
6 months to
17 Oct 2017
Same period 2016 Same period 2015
Rank 18 14 20
Rank change year-on-year -4 +6 -3
Permanent jobs citing Linux 441 490 596
As % of all permanent IT jobs advertised in Hertfordshire 10.50% 11.03% 10.81%
As % of the Operating Systems category 36.69% 48.04% 38.16%
Number of salaries quoted 393 399 477
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 £72,250 £67,500 £58,750
East of England median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - +3.45%

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 1202 1020 1562
As % of all permanent IT jobs advertised in Hertfordshire 28.61% 22.96% 28.33%
Number of salaries quoted 1019 829 1209
Hertfordshire median annual salary £42,500 £44,500 £42,500
Median salary % change year-on-year -4.49% +4.71% +6.25%
10th Percentile £23,500 £23,750 £25,750
90th Percentile £67,500 £66,250 £58,750
East of England median annual salary £42,500 £42,500 £42,000
% change year-on-year - +1.19% +5.00%

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 17 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 17 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 +2 113 £45,000 +1.12% 5
Hatfield +7 88 £57,500 +4.55% 10
Hemel Hempstead -17 40 £32,500 -31.58% 3
St Albans +23 28 £39,000 -35.00% 2
Hertford +10 22 £42,500 -26.09% 3
Radlett - 18 £37,500 -
Welwyn Garden City -24 13 £40,000 -16.88% 1
Borehamwood -18 11 £47,000 +4.44%
Rickmansworth +1 10 £65,000 +7.88% 1
Kings Langley +4 9 £32,500 -52.90%
Berkhamsted +2 9 £32,500 -52.90%
Letchworth -11 8 £32,500 +6.56% 1
Bishop's Stortford - 7 £37,500 - 1
Stevenage -20 6 £27,000 -56.80% 1
Welwyn - 1 £60,000 -
Harpenden - 1 £23,000 - 1
Linux
East of England

For the 6 months to 17 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.

1 179 (40.59%) Windows
2 125 (28.34%) VMware
3 123 (27.89%) DevOps
4 115 (26.08%) Amazon AWS
5 114 (25.85%) Java
6 98 (22.22%) Unix
7 91 (20.63%) Microsoft
8 83 (18.82%) E-Commerce
8 83 (18.82%) Python
8 83 (18.82%) Open Source
9 80 (18.14%) Web Services
10 76 (17.23%) JavaScript
10 76 (17.23%) Windows Server
11 74 (16.78%) VMware Infrastructure
12 73 (16.55%) MySQL
13 72 (16.33%) Oracle
13 72 (16.33%) Data Centre
14 70 (15.87%) Puppet
14 70 (15.87%) HTML
15 67 (15.19%) Degree
16 66 (14.97%) Apache
17 65 (14.74%) SQL
18 63 (14.29%) C#
18 63 (14.29%) Microsoft Azure
19 62 (14.06%) Agile Software Development
19 62 (14.06%) OpenStack
20 61 (13.83%) Firewall
21 60 (13.61%) Software Engineering
22 58 (13.15%) CSS
22 58 (13.15%) XML

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 66 (14.97%) Apache
2 62 (14.06%) OpenStack
3 42 (9.52%) MS Exchange
4 37 (8.39%) Oracle SOA Suite
5 31 (7.03%) Oracle Service Bus
6 29 (6.58%) Skype for Business
7 27 (6.12%) WebLogic
8 22 (4.99%) WebSphere
9 21 (4.76%) Tomcat
10 15 (3.40%) IIS
10 15 (3.40%) SharePoint
11 11 (2.49%) Exchange Server 2007
11 11 (2.49%) Exchange Server 2010
11 11 (2.49%) Exchange Server 2013
12 8 (1.81%) Confluence
12 8 (1.81%) JBoss
13 6 (1.36%) nginx
14 5 (1.13%) MQSeries
15 4 (0.91%) GlassFish
15 4 (0.91%) WordPress
Applications
1 32 (7.26%) Microsoft Office
2 5 (1.13%) SOLIDWORKS
3 2 (0.45%) GNU Octave
3 2 (0.45%) Simulink
Business Applications
1 5 (1.13%) Magento
1 5 (1.13%) Oracle EBS
1 5 (1.13%) Oracle EBS R12
1 5 (1.13%) Sage 200
2 4 (0.91%) Payment Gateway
Cloud Services
1 115 (26.08%) Amazon AWS
2 63 (14.29%) Microsoft Azure
3 49 (11.11%) Office 365
4 21 (4.76%) PaaS
5 16 (3.63%) Cloud Computing
6 15 (3.40%) AWS CloudFormation
7 14 (3.17%) Amazon EC2
8 13 (2.95%) SaaS
9 11 (2.49%) Amazon CloudWatch
9 11 (2.49%) Amazon S3
9 11 (2.49%) AWS Elastic Beanstalk
9 11 (2.49%) Azure Active Directory
9 11 (2.49%) Virtual Private Cloud
10 7 (1.59%) GitHub
10 7 (1.59%) IaaS
10 7 (1.59%) TestFlight
11 6 (1.36%) Mimecast
12 4 (0.91%) Google App Engine
12 4 (0.91%) Google Cloud Platform
12 4 (0.91%) Google Compute Engine
Communications & Networking
1 61 (13.83%) Firewall
2 47 (10.66%) DNS
3 46 (10.43%) VPN
4 39 (8.84%) TCP/IP
5 33 (7.48%) DHCP
6 27 (6.12%) VLAN
7 25 (5.67%) VoIP
8 23 (5.22%) Remote Desktop
8 23 (5.22%) Skype
9 22 (4.99%) MPLS
10 21 (4.76%) SAN
11 18 (4.08%) LAN
11 18 (4.08%) WAN
12 17 (3.85%) ISDN
12 17 (3.85%) PBX
13 13 (2.95%) HTTP
14 12 (2.72%) iSCSI
14 12 (2.72%) NAS
15 11 (2.49%) LDAP
15 11 (2.49%) SMTP
Database & Business Intelligence
1 73 (16.55%) MySQL
2 29 (6.58%) PostgreSQL
3 28 (6.35%) Oracle Database 12c
4 25 (5.67%) Relational Database
5 24 (5.44%) SQL Server
6 23 (5.22%) Amazon RDS
7 20 (4.54%) Oracle Database
8 15 (3.40%) RDBMS
9 12 (2.72%) Oracle Database 11g
10 10 (2.27%) Data Mining
10 10 (2.27%) Hadoop
10 10 (2.27%) Oracle Database 10g
10 10 (2.27%) Oracle Exadata
11 6 (1.36%) MongoDB
11 6 (1.36%) NoSQL
12 5 (1.13%) DB2
13 4 (0.91%) Redis
14 3 (0.68%) SQL Server Reporting Services
15 2 (0.45%) Apache Cassandra
16 1 (0.23%) CouchDB
Development Applications
1 42 (9.52%) Subversion
2 23 (5.22%) Git (software)
3 17 (3.85%) Selenium
4 16 (3.63%) JIRA
5 14 (3.17%) VSS/SourceSafe
6 13 (2.95%) Jenkins
7 12 (2.72%) Eclipse
7 12 (2.72%) Jasmine
7 12 (2.72%) MSTest
7 12 (2.72%) NUnit
8 11 (2.49%) JConsole
8 11 (2.49%) Maven
8 11 (2.49%) VisualVM
9 10 (2.27%) Oracle APEX
10 8 (1.81%) JUnit
10 8 (1.81%) Mockito
10 8 (1.81%) Visual Studio
11 7 (1.59%) Bower
11 7 (1.59%) TestFairy
11 7 (1.59%) Visual Studio Team System
General
1 36 (8.16%) Advertising
1 36 (8.16%) Retail
2 34 (7.71%) Finance
3 32 (7.26%) Games
4 25 (5.67%) Legal
5 19 (4.31%) Telecoms
6 17 (3.85%) Multimedia
7 15 (3.40%) Marketing
8 13 (2.95%) Automotive
9 10 (2.27%) Publishing
10 4 (0.91%) Law
11 2 (0.45%) French Language
11 2 (0.45%) German Language
11 2 (0.45%) Swedish Language
12 1 (0.23%) Banking
12 1 (0.23%) Electronics
12 1 (0.23%) Manufacturing
12 1 (0.23%) Military
Job Titles
1 100 (22.68%) Developer
2 46 (10.43%) Analyst
3 43 (9.75%) Infrastructure Engineer
4 37 (8.39%) Linux Engineer
5 31 (7.03%) Support Engineer
6 30 (6.80%) Administrator
7 29 (6.58%) DevOps Engineer
8 26 (5.90%) DBA
8 26 (5.90%) Oracle DBA
8 26 (5.90%) Support Analyst
8 26 (5.90%) VMware Engineer
9 25 (5.67%) C# Developer
10 23 (5.22%) Systems Engineer
11 22 (4.99%) 3rd Line Engineer
12 21 (4.76%) 3rd Line Support
12 21 (4.76%) PHP Developer
13 20 (4.54%) 3rd Line Support Engineer
14 19 (4.31%) Linux Administrator
14 19 (4.31%) Software Engineer
15 18 (4.08%) Senior Developer
Libraries, Frameworks & Software Standards
1 80 (18.14%) Web Services
2 70 (15.87%) HTML
3 58 (13.15%) CSS
3 58 (13.15%) XML
4 50 (11.34%) .NET
5 47 (10.66%) ASP.NET
6 43 (9.75%) jQuery
7 36 (8.16%) AngularJS
8 35 (7.94%) Middleware
9 34 (7.71%) Twitter Bootstrap
10 31 (7.03%) ASP.NET MVC
11 23 (5.22%) LAMP
12 21 (4.76%) SOAP
13 17 (3.85%) Oracle Fusion
13 17 (3.85%) REST
14 15 (3.40%) Spring
15 14 (3.17%) CSS3
15 14 (3.17%) HTML5
15 14 (3.17%) XML Messaging
16 13 (2.95%) XSL
Miscellaneous
1 72 (16.33%) Data Centre
2 52 (11.79%) Computer Science
3 24 (5.44%) Analytical Skills
4 14 (3.17%) Management Information System
5 13 (2.95%) User Experience
6 12 (2.72%) Mobile App
7 11 (2.49%) Replication
8 10 (2.27%) Blog
9 9 (2.04%) Algorithms
9 9 (2.04%) Private Cloud
10 8 (1.81%) iPhone
11 6 (1.36%) Handset
11 6 (1.36%) Hybrid Cloud
12 5 (1.13%) Embedded Systems
12 5 (1.13%) Enterprise Software
12 5 (1.13%) Linux Command Line
12 5 (1.13%) Virtual Team
13 4 (0.91%) Client/Server
13 4 (0.91%) Data Structures
14 3 (0.68%) Field-Programmable Gate Array
Operating Systems
1 179 (40.59%) Windows
2 98 (22.22%) Unix
3 76 (17.23%) Windows Server
4 40 (9.07%) Red Hat Enterprise Linux
5 36 (8.16%) CentOS
6 35 (7.94%) Windows Server 2008
7 33 (7.48%) Windows Server 2012
8 28 (6.35%) Ubuntu
9 22 (4.99%) Solaris
10 17 (3.85%) Windows 7
10 17 (3.85%) Windows Server 2003
11 16 (3.63%) Windows 10
12 14 (3.17%) Mac OS
12 14 (3.17%) Mac OS X
13 13 (2.95%) Android
14 12 (2.72%) Apple iOS
15 10 (2.27%) Debian
16 9 (2.04%) AIX
16 9 (2.04%) CoreOS
17 6 (1.36%) Windows 8
Processes & Methodologies
1 123 (27.89%) DevOps
2 83 (18.82%) E-Commerce
2 83 (18.82%) Open Source
3 62 (14.06%) Agile Software Development
4 60 (13.61%) Software Engineering
5 56 (12.70%) ITIL
6 41 (9.30%) Continuous Integration
7 40 (9.07%) MVC
8 37 (8.39%) Performance Tuning
8 37 (8.39%) SOA
9 30 (6.80%) Test Automation
10 28 (6.35%) Business Intelligence
11 27 (6.12%) Information Security
11 27 (6.12%) Mentoring
12 26 (5.90%) OO
13 22 (4.99%) Scrum
14 21 (4.76%) Server Building
15 20 (4.54%) Load Balancing
15 20 (4.54%) Logistics
16 19 (4.31%) Business Activity Monitoring
Programming Languages
1 114 (25.85%) Java
2 83 (18.82%) Python
3 76 (17.23%) JavaScript
4 65 (14.74%) SQL
5 63 (14.29%) C#
6 55 (12.47%) Bash Shell
7 44 (9.98%) PHP
8 34 (7.71%) C++
8 34 (7.71%) Shell Script
9 33 (7.48%) C
10 28 (6.35%) PowerShell
11 21 (4.76%) Perl
12 18 (4.08%) Korn
13 17 (3.85%) Ruby
14 16 (3.63%) PL/SQL
15 13 (2.95%) VB
16 10 (2.27%) VBScript
17 6 (1.36%) VB.NET
18 5 (1.13%) AWK
18 5 (1.13%) VBA
Qualifications
1 67 (15.19%) Degree
2 32 (7.26%) Computer Science Degree
3 12 (2.72%) CISSP
4 10 (2.27%) Cisco Certification
5 9 (2.04%) CCNA
5 9 (2.04%) CISA
5 9 (2.04%) VMware Certified Professional (VCP)
6 8 (1.81%) CEH
7 6 (1.36%) Master's Degree
8 5 (1.13%) CISM
8 5 (1.13%) Microsoft Certification
9 4 (0.91%) AWS Certification
10 2 (0.45%) CCNP
10 2 (0.45%) MCSE
10 2 (0.45%) PhD
11 1 (0.23%) CCA
11 1 (0.23%) CCIE
11 1 (0.23%) HND
11 1 (0.23%) MCP
11 1 (0.23%) MCSA
Quality Assurance & Compliance
1 22 (4.99%) SLA
2 9 (2.04%) PCI DSS
3 8 (1.81%) QA
4 6 (1.36%) ISO/IEC 27001
5 4 (0.91%) COBIT
5 4 (0.91%) GDPR
5 4 (0.91%) ISO 22301
5 4 (0.91%) ISO 9001
6 3 (0.68%) Sarbanes-Oxley
7 1 (0.23%) ECSS
7 1 (0.23%) SEPA
System Software
1 74 (16.78%) VMware Infrastructure
2 52 (11.79%) Active Directory
3 38 (8.62%) VMware ESXi
4 34 (7.71%) Docker
5 23 (5.22%) Terminal Services
6 19 (4.31%) vSphere
7 18 (4.08%) Hyper-V
8 12 (2.72%) Ceph
9 10 (2.27%) Oracle RAC
10 8 (1.81%) KVM
10 8 (1.81%) XenServer
11 6 (1.36%) VMware Workstation
12 4 (0.91%) VMware NSX
13 2 (0.45%) Firmware
13 2 (0.45%) Microsoft App-V
13 2 (0.45%) Postfix
13 2 (0.45%) PowerDNS
14 1 (0.23%) Varnish
14 1 (0.23%) vCloud
14 1 (0.23%) XenDesktop
Systems Management
1 70 (15.87%) Puppet
2 54 (12.24%) Opscode Chef
3 42 (9.52%) Ansible
4 35 (7.94%) Kubernetes
5 17 (3.85%) WSUS
6 12 (2.72%) Oracle Enterprise Manager
7 10 (2.27%) Cobbler
7 10 (2.27%) Data Guard
7 10 (2.27%) Nagios
7 10 (2.27%) Oracle RMAN
7 10 (2.27%) vCenter Server
8 8 (1.81%) SCOM
9 6 (1.36%) Backup Exec
10 5 (1.13%) cPanel
10 5 (1.13%) Plesk
11 4 (0.91%) Capistrano
11 4 (0.91%) Terraform
12 3 (0.68%) HP Quality Center
12 3 (0.68%) SCCM
12 3 (0.68%) Symantec Enterprise Vault
Vendors
1 125 (28.34%) VMware
2 91 (20.63%) Microsoft
3 72 (16.33%) Oracle
4 35 (7.94%) IBM
5 28 (6.35%) Red Hat
6 21 (4.76%) Google
7 20 (4.54%) Citrix
7 20 (4.54%) HP
8 19 (4.31%) Cisco
8 19 (4.31%) NetApp
9 18 (4.08%) Veeam
10 15 (3.40%) Dell
11 12 (2.72%) Xamarin
12 10 (2.27%) Avaya
13 8 (1.81%) EMC
13 8 (1.81%) Siemens
14 7 (1.59%) Intel
14 7 (1.59%) Splunk
14 7 (1.59%) Sybase
15 5 (1.13%) NVIDIA