Period
to 21 January 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 21 January 2018 with a comparison to the same period in the previous 2 years.

Linux
East of England > Hertfordshire
6 months to
21 Jan 2018
Same period 2017 Same period 2016
Rank 15 16 21
Rank change year-on-year +1 +5 -4
Permanent jobs citing Linux 544 520 475
As % of all permanent IT jobs advertised in Hertfordshire 12.18% 11.83% 9.42%
As % of the Operating Systems category 42.73% 49.52% 37.02%
Number of salaries quoted 424 442 392
Hertfordshire median annual salary £57,500 £50,000 £45,000
Median salary % change year-on-year +15.00% +11.11% -
10th Percentile £31,250 £30,000 £27,500
90th Percentile £75,250 £68,750 £59,900
East of England median annual salary £50,000 £45,000 £45,000
% change year-on-year +11.11% - -

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 1,273 1,050 1,283
As % of all permanent IT jobs advertised in Hertfordshire 28.50% 23.89% 25.46%
Number of salaries quoted 1,051 850 1,039
Hertfordshire median annual salary £45,000 £45,000 £42,500
Median salary % change year-on-year - +5.88% -
10th Percentile £23,000 £23,500 £23,500
90th Percentile £71,250 £67,500 £60,000
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 21 January 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 21 January 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 +12 100 £57,500 - 14
Watford -10 84 £58,750 +23.68% 5
Welwyn Garden City -3 59 £52,000 +6.12% 9
Hemel Hempstead -8 48 £42,500 -5.56% 8
St Albans +19 31 £39,000 -29.09% 6
Rickmansworth -1 20 £52,500 -12.86% 2
Stevenage +5 19 £23,000 -55.12% 7
Hertford +10 11 £42,500 -26.09% 2
Hitchin - 10 £48,500 - 1
Bishop's Stortford -12 9 £45,000 -10.00% 2
Borehamwood -5 8 £47,000 +4.44%
Radlett - 5 £40,000 -
Kings Langley - 4 £32,500 -
Royston +4 2 £36,250 +3.57% 2
Letchworth -14 2 £42,500 +39.34% 1
Berkhamsted - 2 £32,500 -
Harpenden - 2 £35,250 - 3
Linux
East of England

For the 6 months to 21 January 2018, 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.

1 242 (44.49%) Windows
2 198 (36.40%) VMware
3 178 (32.72%) DevOps
4 133 (24.45%) Python
5 129 (23.71%) Amazon AWS
6 128 (23.53%) OpenStack
7 124 (22.79%) Unix
7 124 (22.79%) Java
8 109 (20.04%) Agile Software Development
9 104 (19.12%) Data Centre
10 101 (18.57%) E-Commerce
11 94 (17.28%) Software Engineering
12 93 (17.10%) TCP/IP
13 92 (16.91%) SQL
14 88 (16.18%) Microsoft
15 87 (15.99%) Open Source
16 83 (15.26%) Kubernetes
17 81 (14.89%) Puppet
17 81 (14.89%) Windows Server
18 80 (14.71%) Docker
18 80 (14.71%) JavaScript
19 79 (14.52%) Microsoft Azure
20 78 (14.34%) Oracle
20 78 (14.34%) Finance
21 77 (14.15%) Degree
22 75 (13.79%) VMware Infrastructure
22 75 (13.79%) HTML
23 73 (13.42%) DNS
24 71 (13.05%) MySQL
24 71 (13.05%) Bash Shell

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
1 128 (23.53%) OpenStack
2 41 (7.54%) Apache
3 26 (4.78%) Tomcat
4 22 (4.04%) Confluence
5 19 (3.49%) Oracle SOA Suite
6 18 (3.31%) MS Exchange
6 18 (3.31%) Skype for Business
7 15 (2.76%) Oracle Service Bus
8 14 (2.57%) IIS
9 13 (2.39%) SharePoint
10 12 (2.21%) WebSphere
11 10 (1.84%) WebLogic
12 9 (1.65%) Cloud Foundry
13 8 (1.47%) Adobe Experience Manager
13 8 (1.47%) Exchange Server 2007
13 8 (1.47%) Exchange Server 2010
13 8 (1.47%) Exchange Server 2013
14 4 (0.74%) JBoss
15 3 (0.55%) MQSeries
15 3 (0.55%) WebSphere Application Server
Applications
1 19 (3.49%) Microsoft Office
2 3 (0.55%) SOLIDWORKS
Business Applications
1 9 (1.65%) JDE EnterpriseOne
1 9 (1.65%) SAP R/3
2 6 (1.10%) Magento
3 3 (0.55%) Sage 200
4 2 (0.37%) BASE24
4 2 (0.37%) Oracle EBS
4 2 (0.37%) Oracle EBS R12
4 2 (0.37%) Postilion
Cloud Services
1 129 (23.71%) Amazon AWS
2 79 (14.52%) Microsoft Azure
3 35 (6.43%) Office 365
4 27 (4.96%) SaaS
5 17 (3.13%) Google Cloud Platform
6 13 (2.39%) Cloud Computing
7 12 (2.21%) Amazon EC2
8 10 (1.84%) AWS Elastic Beanstalk
8 10 (1.84%) Google App Engine
8 10 (1.84%) Google Compute Engine
9 8 (1.47%) Mimecast
10 7 (1.29%) Azure Active Directory
10 7 (1.29%) GitHub
10 7 (1.29%) PaaS
11 6 (1.10%) Akamai
12 3 (0.55%) TestFlight
13 2 (0.37%) Amazon S3
13 2 (0.37%) AWS Lambda
13 2 (0.37%) Route 53
13 2 (0.37%) Serverless
Communications & Networking
1 93 (17.10%) TCP/IP
2 73 (13.42%) DNS
3 59 (10.85%) DHCP
4 56 (10.29%) VPN
5 54 (9.93%) Firewall
6 17 (3.13%) MPLS
6 17 (3.13%) VoIP
7 16 (2.94%) HTTP
8 15 (2.76%) SSL
8 15 (2.76%) Wi-Fi
9 13 (2.39%) Internet
9 13 (2.39%) SNMP
10 10 (1.84%) NAS
10 10 (1.84%) Remote Desktop
10 10 (1.84%) SAN
10 10 (1.84%) Skype
11 9 (1.65%) LAN
11 9 (1.65%) SMTP
11 9 (1.65%) WAN
12 8 (1.47%) Unified Communications
Database & Business Intelligence
1 71 (13.05%) MySQL
2 52 (9.56%) SQL Server
3 30 (5.51%) Relational Database
4 27 (4.96%) PostgreSQL
5 24 (4.41%) Amazon RDS
6 21 (3.86%) Oracle Database
6 21 (3.86%) Oracle Database 12c
7 18 (3.31%) Apache Cassandra
7 18 (3.31%) MongoDB
7 18 (3.31%) RDBMS
8 14 (2.57%) NoSQL
8 14 (2.57%) Oracle Database 11g
9 12 (2.21%) Oracle Database 10g
10 9 (1.65%) SQL Server Reporting Services
11 8 (1.47%) Oracle Exadata
12 7 (1.29%) Data Mining
13 6 (1.10%) Big Data
14 5 (0.92%) DB2
14 5 (0.92%) Hadoop
15 4 (0.74%) SQL Server 2008
Development Applications
1 40 (7.35%) Jenkins
2 33 (6.07%) Git (software)
3 31 (5.70%) Subversion
4 29 (5.33%) JIRA
5 13 (2.39%) Maven
6 12 (2.21%) Selenium
7 11 (2.02%) Eclipse
7 11 (2.02%) JUnit
8 10 (1.84%) VSS/SourceSafe
9 8 (1.47%) GCC
9 8 (1.47%) Jasmine
9 8 (1.47%) MSTest
9 8 (1.47%) NUnit
9 8 (1.47%) Oracle APEX
9 8 (1.47%) Visual Studio
10 7 (1.29%) JConsole
10 7 (1.29%) VisualVM
11 6 (1.10%) Mockito
12 5 (0.92%) JMeter
13 4 (0.74%) ProC
General
1 78 (14.34%) Finance
2 51 (9.38%) Retail
3 23 (4.23%) Games
3 23 (4.23%) Marketing
4 15 (2.76%) Advertising
5 13 (2.39%) Multimedia
5 13 (2.39%) Telecoms
6 10 (1.84%) Legal
7 9 (1.65%) Automotive
8 8 (1.47%) Publishing
9 3 (0.55%) Electronics
10 2 (0.37%) Banking
10 2 (0.37%) Military
11 1 (0.18%) Manufacturing
Job Titles
1 85 (15.63%) Developer
2 65 (11.95%) Linux Engineer
3 62 (11.40%) Systems Engineer
4 39 (7.17%) Administrator
4 39 (7.17%) Cloud Engineer
4 39 (7.17%) DevOps Engineer
5 38 (6.99%) Analyst
5 38 (6.99%) VMware Engineer
6 36 (6.62%) Systems Administrator
7 35 (6.43%) Java Developer
8 30 (5.51%) Infrastructure Engineer
9 26 (4.78%) Linux Systems Engineer
9 26 (4.78%) Senior VMware Engineer
10 25 (4.60%) DBA
10 25 (4.60%) Oracle DBA
11 24 (4.41%) Senior Infrastructure Engineer
12 23 (4.23%) Support Analyst
13 22 (4.04%) Support Engineer
14 19 (3.49%) Software Engineer
15 18 (3.31%) Senior Developer
Libraries, Frameworks & Software Standards
1 75 (13.79%) HTML
2 60 (11.03%) CSS
3 58 (10.66%) Web Services
4 57 (10.48%) .NET
5 49 (9.01%) XML
6 44 (8.09%) AngularJS
7 42 (7.72%) ASP.NET
8 25 (4.60%) jQuery
9 24 (4.41%) Twitter Bootstrap
10 22 (4.04%) LAMP
11 21 (3.86%) Spring
12 20 (3.68%) EDI
12 20 (3.68%) REST
13 18 (3.31%) Middleware
14 17 (3.13%) HTML5
15 16 (2.94%) ASP.NET MVC
16 15 (2.76%) SOAP
17 12 (2.21%) J2EE
17 12 (2.21%) JavaBeans
17 12 (2.21%) RESTful
Miscellaneous
1 104 (19.12%) Data Centre
2 58 (10.66%) Computer Science
3 57 (10.48%) Analytical Skills
4 45 (8.27%) Public Cloud
5 27 (4.96%) Management Information System
6 18 (3.31%) Private Cloud
7 16 (2.94%) Mobile App
8 10 (1.84%) Clustering
9 9 (1.65%) User Experience
10 8 (1.47%) Replication
11 7 (1.29%) Fintech
11 7 (1.29%) Security Operations Centre
12 6 (1.10%) Enterprise Software
12 6 (1.10%) Handset
12 6 (1.10%) Linux Command Line
13 5 (0.92%) Algorithms
13 5 (0.92%) Blog
13 5 (0.92%) Hybrid Cloud
13 5 (0.92%) Virtual Team
14 4 (0.74%) iPhone
Operating Systems
1 242 (44.49%) Windows
2 124 (22.79%) Unix
3 81 (14.89%) Windows Server
4 51 (9.38%) Ubuntu
5 33 (6.07%) Solaris
6 31 (5.70%) CentOS
7 29 (5.33%) Windows Server 2008
8 28 (5.15%) Windows Server 2012
9 25 (4.60%) Red Hat Enterprise Linux
10 23 (4.23%) Windows 7
11 21 (3.86%) CoreOS
12 20 (3.68%) Debian
13 18 (3.31%) AIX
13 18 (3.31%) Windows 10
14 16 (2.94%) HPUX
15 10 (1.84%) Apple iOS
15 10 (1.84%) Mac OS X
15 10 (1.84%) Windows 8
16 9 (1.65%) Android
17 8 (1.47%) Mac OS
Processes & Methodologies
1 178 (32.72%) DevOps
2 109 (20.04%) Agile Software Development
3 101 (18.57%) E-Commerce
4 94 (17.28%) Software Engineering
5 87 (15.99%) Open Source
6 51 (9.38%) Configuration Management
7 47 (8.64%) Stakeholder Management
8 46 (8.46%) ITIL
9 42 (7.72%) Continuous Integration
10 39 (7.17%) Scrum
11 33 (6.07%) Infrastructure Transformation
11 33 (6.07%) MVC
12 31 (5.70%) TDD
12 31 (5.70%) Test Automation
13 30 (5.51%) ERP
14 29 (5.33%) Performance Tuning
15 28 (5.15%) Line Management
15 28 (5.15%) Server Building
15 28 (5.15%) The Twelve-Factor App
16 27 (4.96%) Customer Requirements
Programming Languages
1 133 (24.45%) Python
2 124 (22.79%) Java
3 92 (16.91%) SQL
4 80 (14.71%) JavaScript
5 71 (13.05%) Bash Shell
6 59 (10.85%) C#
7 39 (7.17%) PHP
8 38 (6.99%) PowerShell
9 31 (5.70%) C
9 31 (5.70%) C++
10 22 (4.04%) Ruby
11 21 (3.86%) Shell Script
12 19 (3.49%) VB.NET
13 18 (3.31%) VBA
14 17 (3.13%) Perl
15 10 (1.84%) PL/SQL
16 8 (1.47%) Korn
17 6 (1.10%) Groovy
17 6 (1.10%) VB
18 4 (0.74%) Ada
Qualifications
1 77 (14.15%) Degree
2 33 (6.07%) Computer Science Degree
3 15 (2.76%) CISSP
4 11 (2.02%) CISA
4 11 (2.02%) CISM
4 11 (2.02%) VMware Certified Professional (VCP)
5 10 (1.84%) Security Cleared
6 9 (1.65%) MCSE
6 9 (1.65%) Microsoft Certification
6 9 (1.65%) SC Cleared
7 8 (1.47%) Cisco Certification
7 8 (1.47%) MCITP
7 8 (1.47%) MCSA
7 8 (1.47%) SSCP
8 6 (1.10%) CCNP
8 6 (1.10%) CSSLP
8 6 (1.10%) GIAC
8 6 (1.10%) SANS
9 5 (0.92%) CompTIA Security+
10 3 (0.55%) CCNA
Quality Assurance & Compliance
1 27 (4.96%) ISO/IEC 27001
2 24 (4.41%) SLA
3 16 (2.94%) PCI DSS
4 7 (1.29%) Sarbanes-Oxley
5 6 (1.10%) GDPR
6 5 (0.92%) COBIT
6 5 (0.92%) ISO 22301
7 3 (0.55%) ISO 9001
7 3 (0.55%) QA
8 1 (0.18%) ECSS
System Software
1 80 (14.71%) Docker
2 75 (13.79%) VMware Infrastructure
3 50 (9.19%) VMware ESXi
4 46 (8.46%) Active Directory
5 41 (7.54%) Ceph
6 38 (6.99%) Hyper-V
7 28 (5.15%) vSphere
8 23 (4.23%) VMware NSX
9 10 (1.84%) Terminal Services
10 9 (1.65%) NFS
10 9 (1.65%) Xen
11 8 (1.47%) Oracle RAC
12 7 (1.29%) LXC
13 6 (1.10%) VMware Workstation
14 5 (0.92%) Virtual Machines
15 2 (0.37%) Microsoft App-V
16 1 (0.18%) Firmware
16 1 (0.18%) Varnish
16 1 (0.18%) vCloud
Systems Management
1 83 (15.26%) Kubernetes
2 81 (14.89%) Puppet
3 62 (11.40%) Opscode Chef
4 42 (7.72%) Ansible
5 30 (5.51%) vCenter Server
6 10 (1.84%) Oracle Enterprise Manager
7 8 (1.47%) Backup Exec
7 8 (1.47%) Data Guard
7 8 (1.47%) Oracle RMAN
8 5 (0.92%) Cobbler
8 5 (0.92%) Norton AntiVirus
8 5 (0.92%) vRealize
9 4 (0.74%) cPanel
9 4 (0.74%) Docker Swarm
9 4 (0.74%) Graphite
9 4 (0.74%) Plesk
9 4 (0.74%) SCCM
9 4 (0.74%) Symantec Endpoint Protection
9 4 (0.74%) WSUS
10 3 (0.55%) Mesos
Vendors
1 198 (36.40%) VMware
2 88 (16.18%) Microsoft
3 78 (14.34%) Oracle
4 45 (8.27%) Red Hat
5 44 (8.09%) Google
6 41 (7.54%) Citrix
7 37 (6.80%) IBM
8 31 (5.70%) Veeam
9 20 (3.68%) Splunk
10 19 (3.49%) NetApp
11 16 (2.94%) Cisco
12 14 (2.57%) Juniper
12 14 (2.57%) Sybase
13 13 (2.39%) Dell
14 10 (1.84%) F5
14 10 (1.84%) Sun
15 9 (1.65%) Avaya
15 9 (1.65%) HP
15 9 (1.65%) SAP
15 9 (1.65%) Symantec