Period
to 26 April 2018

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 26 April 2018 with a comparison to the same period in the previous 2 years.

Linux
East of England > Hertfordshire
6 months to
26 Apr 2018
Same period 2017 Same period 2016
Rank 14 25 22
Rank change year-on-year +11 -3 -4
Permanent jobs citing Linux 614 402 465
As % of all permanent IT jobs advertised in Hertfordshire 12.47% 9.25% 9.33%
As % of the Operating Systems category 47.01% 42.41% 37.68%
Number of salaries quoted 471 361 368
Hertfordshire median annual salary £57,500 £50,000 £45,000
Median salary % change year-on-year +15.00% +11.11% +2.27%
10th Percentile £27,500 £31,250 £25,750
90th Percentile £75,000 £72,500 £59,650
East of England median annual salary £52,500 £47,000 £42,750
% change year-on-year +11.70% +9.94% -2.84%

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 1,306 948 1,234
As % of all permanent IT jobs advertised in Hertfordshire 26.53% 21.81% 24.75%
Number of salaries quoted 1,070 778 959
Hertfordshire median annual salary £47,000 £45,000 £40,000
Median salary % change year-on-year +4.44% +12.50% -5.88%
10th Percentile £23,000 £22,500 £24,000
90th Percentile £71,250 £66,250 £61,500
East of England median annual salary £45,000 £42,500 £40,000
% change year-on-year +5.88% +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 26 April 2018.

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 26 April 2018. 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
Hatfield +12 129 £57,500 - 3
Welwyn Garden City +1 99 £52,000 +15.56% 3
Watford -9 84 £47,500 +5.56% 5
Hemel Hempstead +9 58 £42,000 -40.00% 9
Rickmansworth +12 23 £42,500 +93.18% 1
Stevenage +16 22 £27,500 -45.00% 4
St Albans -1 16 £65,000 -7.14% 2
Borehamwood +14 14 £47,500 +1.06% 2
Hitchin - 10 £48,500 - 2
Bishop's Stortford -12 7 £45,000 -10.00%
Radlett - 3 £50,000 -
Kings Langley +3 2 £20,000 -71.43%
Royston -2 2 £36,250 -27.50% 1
Harpenden - 2 £45,000 -
Hertford +1 1 £45,000 +50.00%
Potters Bar - 1 £50,000 -
Linux
East of England

For the 6 months to 26 April 2018, IT jobs citing Linux also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the Hertfordshire region with a requirement for Linux.

1 253 (41.21%) Windows
2 249 (40.55%) DevOps
3 222 (36.16%) VMware
4 181 (29.48%) Amazon AWS
5 176 (28.66%) Unix
6 153 (24.92%) Agile Software Development
7 139 (22.64%) Python
8 127 (20.68%) OpenStack
9 124 (20.20%) Java
10 123 (20.03%) E-Commerce
11 117 (19.06%) Oracle
12 115 (18.73%) SQL
13 110 (17.92%) Data Centre
14 107 (17.43%) Puppet
15 106 (17.26%) Problem-Solving
16 100 (16.29%) Degree
17 97 (15.80%) DNS
18 96 (15.64%) TCP/IP
19 95 (15.47%) HTML
19 95 (15.47%) Docker
20 91 (14.82%) Microsoft Azure
21 89 (14.50%) JavaScript
22 87 (14.17%) Opscode Chef
23 85 (13.84%) Microsoft
24 84 (13.68%) Open Source
25 83 (13.52%) Continuous Integration
26 82 (13.36%) Software Engineering
26 82 (13.36%) Analytical Skills
27 76 (12.38%) Bash Shell
28 75 (12.21%) .NET

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
1 127 (20.68%) OpenStack
2 44 (7.17%) Oracle SOA Suite
3 36 (5.86%) Oracle Service Bus
4 34 (5.54%) Apache
5 27 (4.40%) Confluence
6 22 (3.58%) SharePoint
6 22 (3.58%) Tomcat
7 18 (2.93%) WebLogic
8 17 (2.77%) WebSphere
9 13 (2.12%) Adobe Experience Manager
10 12 (1.95%) Mule
11 11 (1.79%) Elasticsearch
12 10 (1.63%) Mule ESB
13 8 (1.30%) CMS
13 8 (1.30%) MQSeries
13 8 (1.30%) WebSphere Application Server
14 7 (1.14%) nginx
15 6 (0.98%) CloudStack
16 5 (0.81%) Oracle Application Server
16 5 (0.81%) SharePoint Server
Applications
1 7 (1.14%) Microsoft Office
2 3 (0.49%) Microsoft Excel
Business Applications
1 10 (1.63%) Magento
2 8 (1.30%) JDE EnterpriseOne
2 8 (1.30%) SAP R/3
3 7 (1.14%) Oracle EBS R12
4 2 (0.33%) BASE24
4 2 (0.33%) Postilion
Cloud Services
1 181 (29.48%) Amazon AWS
2 91 (14.82%) Microsoft Azure
3 34 (5.54%) Google Cloud Platform
4 30 (4.89%) Office 365
5 29 (4.72%) SaaS
6 21 (3.42%) Amazon EC2
7 19 (3.09%) Akamai
8 18 (2.93%) Runscope
9 10 (1.63%) AWS Elastic Beanstalk
10 9 (1.47%) Boomi
11 8 (1.30%) Google App Engine
11 8 (1.30%) Google Compute Engine
11 8 (1.30%) Virtual Private Cloud
12 7 (1.14%) GitHub
13 6 (0.98%) AWS CloudFormation
13 6 (0.98%) AWS CloudTrail
14 4 (0.65%) Trello
15 3 (0.49%) Mimecast
16 1 (0.16%) PaaS
Communications & Networking
1 97 (15.80%) DNS
2 96 (15.64%) TCP/IP
3 74 (12.05%) DHCP
4 53 (8.63%) VPN
5 43 (7.00%) Firewall
6 36 (5.86%) HTTP
7 30 (4.89%) SNMP
8 27 (4.40%) Internet
9 23 (3.75%) SSL
9 23 (3.75%) Wi-Fi
10 19 (3.09%) 802.11
10 19 (3.09%) IPsec
11 18 (2.93%) Network Security
12 17 (2.77%) MPLS
13 15 (2.44%) SAN
13 15 (2.44%) WAN
14 14 (2.28%) Cisco ASA
14 14 (2.28%) Cisco Firepower
14 14 (2.28%) DMVPN
14 14 (2.28%) DWDM
Database & Business Intelligence
1 62 (10.10%) MySQL
2 58 (9.45%) SQL Server
3 29 (4.72%) NoSQL
3 29 (4.72%) Oracle Database
3 29 (4.72%) Relational Database
4 19 (3.09%) Apache Cassandra
5 18 (2.93%) MongoDB
5 18 (2.93%) Oracle Database 12c
6 17 (2.77%) Amazon RDS
7 16 (2.61%) PostgreSQL
8 14 (2.28%) RDBMS
9 12 (1.95%) DB2
10 10 (1.63%) SQL Server Reporting Services
10 10 (1.63%) Sybase ASE
11 9 (1.47%) Big Data
12 8 (1.30%) Jackrabbit
13 7 (1.14%) Oracle Database 10g
13 7 (1.14%) Oracle Database 11g
13 7 (1.14%) SQL Server 2008
14 6 (0.98%) Endeca
Development Applications
1 71 (11.56%) Jenkins
2 63 (10.26%) Git (software)
3 49 (7.98%) JIRA
4 37 (6.03%) Subversion
5 29 (4.72%) Selenium
6 27 (4.40%) JUnit
7 20 (3.26%) VSS/SourceSafe
8 18 (2.93%) MSTest
8 18 (2.93%) NUnit
9 17 (2.77%) Jasmine
9 17 (2.77%) Maven
10 15 (2.44%) Mockito
11 13 (2.12%) Eclipse
12 12 (1.95%) Cucumber
12 12 (1.95%) SoapUI
13 11 (1.79%) LabVIEW
14 8 (1.30%) Ant
14 8 (1.30%) JMeter
14 8 (1.30%) Log4j
14 8 (1.30%) WebSphere Studio Application Developer
General
1 69 (11.24%) Finance
2 63 (10.26%) Retail
3 37 (6.03%) Advertising
4 24 (3.91%) Marketing
5 11 (1.79%) Games
6 7 (1.14%) Telecoms
7 6 (0.98%) Automotive
7 6 (0.98%) Electronics
8 5 (0.81%) Legal
8 5 (0.81%) Publishing
9 4 (0.65%) Banking
10 1 (0.16%) Manufacturing
10 1 (0.16%) Multimedia
Job Titles
1 97 (15.80%) Developer
2 76 (12.38%) Systems Engineer
3 71 (11.56%) Linux Engineer
4 52 (8.47%) Cloud Engineer
5 47 (7.65%) Analyst
6 46 (7.49%) Java Developer
7 41 (6.68%) VMware Engineer
8 37 (6.03%) Administrator
8 37 (6.03%) DevOps Engineer
8 37 (6.03%) Systems Administrator
9 29 (4.72%) Linux Systems Engineer
10 27 (4.40%) 2nd Line Support
10 27 (4.40%) Senior Developer
11 26 (4.23%) DBA
11 26 (4.23%) Oracle DBA
11 26 (4.23%) Software Engineer
11 26 (4.23%) Support Engineer
12 25 (4.07%) Infrastructure Engineer
12 25 (4.07%) Senior VMware Engineer
13 23 (3.75%) Development Engineer
Libraries, Frameworks & Software Standards
1 95 (15.47%) HTML
2 75 (12.21%) .NET
2 75 (12.21%) Web Services
3 72 (11.73%) CSS
4 63 (10.26%) XML
5 61 (9.93%) AngularJS
6 48 (7.82%) Middleware
7 46 (7.49%) ASP.NET
8 36 (5.86%) Twitter Bootstrap
9 35 (5.70%) REST
10 34 (5.54%) jQuery
11 32 (5.21%) HTML5
12 30 (4.89%) SOAP
13 26 (4.23%) LAMP
14 25 (4.07%) J2EE
14 25 (4.07%) Spring
15 24 (3.91%) ASP.NET Web API
15 24 (3.91%) CSS3
15 24 (3.91%) EDI
16 22 (3.58%) ASP.NET MVC
Miscellaneous
1 110 (17.92%) Data Centre
2 82 (13.36%) Analytical Skills
3 71 (11.56%) Public Cloud
4 67 (10.91%) Computer Science
5 30 (4.89%) Management Information System
6 25 (4.07%) Mobile App
6 25 (4.07%) Self-Motivation
7 20 (3.26%) User Experience
8 15 (2.44%) Linux Command Line
9 12 (1.95%) Private Cloud
9 12 (1.95%) Security Operations Centre
10 11 (1.79%) Hybrid Cloud
11 10 (1.63%) HP Storage
12 9 (1.47%) Clustering
13 8 (1.30%) Enterprise Storage
13 8 (1.30%) Fintech
14 6 (0.98%) Acoustics
14 6 (0.98%) Embedded Systems
14 6 (0.98%) NHS
14 6 (0.98%) Spread Betting
Operating Systems
1 253 (41.21%) Windows
2 176 (28.66%) Unix
3 63 (10.26%) Windows Server
4 50 (8.14%) Solaris
5 46 (7.49%) Ubuntu
6 34 (5.54%) HPUX
7 27 (4.40%) CentOS
8 24 (3.91%) Debian
9 18 (2.93%) AIX
10 15 (2.44%) CoreOS
10 15 (2.44%) Windows 7
10 15 (2.44%) Windows Server 2008
11 12 (1.95%) Windows Server 2012
12 10 (1.63%) Mac OS X
12 10 (1.63%) Red Hat Enterprise Linux
13 8 (1.30%) Windows 10
14 5 (0.81%) VxWorks
14 5 (0.81%) Windows 8
15 4 (0.65%) Kali Linux
16 3 (0.49%) Apple iOS
Processes & Methodologies
1 249 (40.55%) DevOps
2 153 (24.92%) Agile Software Development
3 123 (20.03%) E-Commerce
4 106 (17.26%) Problem-Solving
5 84 (13.68%) Open Source
6 83 (13.52%) Continuous Integration
7 82 (13.36%) Software Engineering
8 61 (9.93%) Test Automation
9 57 (9.28%) Stakeholder Management
10 52 (8.47%) ITIL
11 49 (7.98%) Scrum
12 48 (7.82%) Configuration Management
13 47 (7.65%) MVC
14 45 (7.33%) SOA
15 43 (7.00%) The Twelve-Factor App
16 42 (6.84%) Load Balancing
17 40 (6.51%) TDD
18 36 (5.86%) Business Intelligence
19 35 (5.70%) Infrastructure Transformation
19 35 (5.70%) Line Management
Programming Languages
1 139 (22.64%) Python
2 124 (20.20%) Java
3 115 (18.73%) SQL
4 89 (14.50%) JavaScript
5 76 (12.38%) Bash Shell
6 73 (11.89%) C#
7 50 (8.14%) PHP
8 45 (7.33%) PowerShell
9 30 (4.89%) Perl
10 24 (3.91%) Ruby
10 24 (3.91%) VB.NET
10 24 (3.91%) VBA
11 21 (3.42%) C++
12 15 (2.44%) C
13 14 (2.28%) Shell Script
14 12 (1.95%) Groovy
15 9 (1.47%) T-SQL
16 6 (0.98%) Java 8
17 5 (0.81%) MATLAB
17 5 (0.81%) Tcl
Qualifications
1 100 (16.29%) Degree
2 42 (6.84%) Computer Science Degree
3 15 (2.44%) MCSE
3 15 (2.44%) Microsoft Certification
4 14 (2.28%) Cisco Certification
4 14 (2.28%) MCSA
5 13 (2.12%) MCITP
6 12 (1.95%) SSCP
7 10 (1.63%) ITIL Certification
7 10 (1.63%) Security Cleared
8 9 (1.47%) CCNP
8 9 (1.47%) SC Cleared
9 7 (1.14%) GCIA
9 7 (1.14%) GCIH
9 7 (1.14%) GSEC
10 6 (0.98%) CCNA
10 6 (0.98%) CISSP
11 5 (0.81%) CISM
11 5 (0.81%) CSSLP
11 5 (0.81%) GIAC
Quality Assurance & Compliance
1 25 (4.07%) ISO/IEC 27001
2 24 (3.91%) SLA
3 15 (2.44%) PCI DSS
4 11 (1.79%) QA
5 10 (1.63%) GCP
6 5 (0.81%) Sarbanes-Oxley
7 1 (0.16%) GDPR
System Software
1 95 (15.47%) Docker
2 62 (10.10%) VMware Infrastructure
3 52 (8.47%) VMware ESXi
4 48 (7.82%) Ceph
5 41 (6.68%) VMware NSX
6 32 (5.21%) Hyper-V
7 29 (4.72%) Active Directory
8 18 (2.93%) vSphere
9 14 (2.28%) Xen
10 11 (1.79%) LXC
11 8 (1.30%) NFS
12 4 (0.65%) vCloud
12 4 (0.65%) Virtual Machines
13 3 (0.49%) Oracle RAC
14 1 (0.16%) Postfix
14 1 (0.16%) Varnish
14 1 (0.16%) VMware Server
Systems Management
1 107 (17.43%) Puppet
2 87 (14.17%) Opscode Chef
3 75 (12.21%) Kubernetes
4 58 (9.45%) Ansible
5 45 (7.33%) vCenter Server
6 19 (3.09%) cPanel
6 19 (3.09%) Plesk
7 15 (2.44%) vRealize
8 13 (2.12%) HP Data Protector
9 11 (1.79%) Terraform
10 6 (0.98%) Graphite
10 6 (0.98%) Single Sign-On
11 4 (0.65%) CA Service Virtualization
11 4 (0.65%) Docker Swarm
11 4 (0.65%) Grafana
11 4 (0.65%) Nessus
11 4 (0.65%) Nmap
11 4 (0.65%) Norton AntiVirus
12 3 (0.49%) Backup Exec
12 3 (0.49%) SCCM
Vendors
1 222 (36.16%) VMware
2 117 (19.06%) Oracle
3 85 (13.84%) Microsoft
4 62 (10.10%) Google
5 51 (8.31%) IBM
6 42 (6.84%) Citrix
6 42 (6.84%) Red Hat
7 37 (6.03%) Splunk
8 27 (4.40%) Juniper
8 27 (4.40%) Veeam
9 19 (3.09%) Cisco
10 18 (2.93%) 3PAR
10 18 (2.93%) F5
10 18 (2.93%) NetApp
10 18 (2.93%) Xamarin
11 17 (2.77%) HP
12 14 (2.28%) ATG
12 14 (2.28%) CheckPoint
12 14 (2.28%) Sun
12 14 (2.28%) Sybase