Period
to 18 July 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 18 July 2018 with a comparison to the same period in the previous 2 years.

Linux
East of England > Hertfordshire
6 months to
18 Jul 2018
Same period 2017 Same period 2016
Rank 18 26 19
Rank change year-on-year +8 -7 +2
Permanent jobs citing Linux 482 387 481
As % of all permanent IT jobs advertised in Hertfordshire 10.51% 8.91% 9.95%
As % of the Operating Systems category 43.27% 36.72% 41.57%
Number of salaries quoted 382 365 384
Hertfordshire median annual salary £55,000 £50,000 £45,000
Median salary % change year-on-year +10.00% +11.11% -
10th Percentile £31,025 £31,250 £25,750
90th Percentile £72,500 £72,500 £62,500
East of England median annual salary £52,500 £47,000 £45,000
% change year-on-year +11.70% +4.44% +2.51%

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 1,114 1,054 1,157
As % of all permanent IT jobs advertised in Hertfordshire 24.28% 24.28% 23.94%
Number of salaries quoted 891 894 909
Hertfordshire median annual salary £45,000 £42,500 £42,500
Median salary % change year-on-year +5.88% - +2.41%
10th Percentile £23,750 £24,000 £24,000
90th Percentile £68,750 £66,250 £62,500
East of England median annual salary £45,000 £41,500 £41,500
% change year-on-year +8.43% - +3.75%

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 18 July 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 18 July 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 +5 126 £60,000 +4.35% 7
Watford -4 82 £46,250 +12.12% 9
Welwyn Garden City -3 72 £43,750 -2.78%
Hemel Hempstead +15 42 £35,000 -33.33% 2
Stevenage -1 19 £30,000 -36.84% 13
Rickmansworth +4 16 £55,000 -6.38% 3
Borehamwood +15 14 £47,500 +1.06% 3
Bishop's Stortford -6 7 £57,500 +15.00%
St Albans -14 7 £65,000 -7.14% 1
Broxbourne - 5 £57,500 -
Radlett -6 3 £50,000 +33.33%
Potters Bar - 3 £45,000 -
Letchworth +14 1 £28,500 -12.31% 1
Royston -4 1 £77,500 +19.23% 1
Harpenden - 1 £42,500 -
Hitchin - 1 £31,000 - 1
Linux
East of England

For the 6 months to 18 July 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.

1 193 (40.04%) DevOps
2 185 (38.38%) Windows
3 172 (35.68%) Unix
4 161 (33.40%) Amazon AWS
5 157 (32.57%) Agile Software Development
6 141 (29.25%) VMware
7 122 (25.31%) Python
8 120 (24.90%) Java
9 106 (21.99%) Oracle
10 105 (21.78%) Puppet
11 101 (20.95%) SQL
12 96 (19.92%) Degree
13 92 (19.09%) Problem-Solving
14 88 (18.26%) E-Commerce
15 77 (15.98%) ITIL
15 77 (15.98%) Web Services
15 77 (15.98%) Docker
16 76 (15.77%) Microsoft Azure
17 70 (14.52%) Jenkins
18 69 (14.32%) OpenStack
19 68 (14.11%) Open Source
19 68 (14.11%) Opscode Chef
20 67 (13.90%) Continuous Integration
21 64 (13.28%) Microsoft
22 62 (12.86%) HTML
23 61 (12.66%) Computer Science
24 60 (12.45%) Ansible
25 59 (12.24%) Git (software)
25 59 (12.24%) JavaScript
25 59 (12.24%) TCP/IP

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 69 (14.32%) OpenStack
2 39 (8.09%) Oracle SOA Suite
3 31 (6.43%) WebSphere
4 30 (6.22%) Tomcat
5 29 (6.02%) Oracle Service Bus
6 28 (5.81%) Apache
7 19 (3.94%) WebLogic
8 18 (3.73%) SharePoint
9 15 (3.11%) IIS
10 13 (2.70%) Confluence
11 12 (2.49%) Mule
12 11 (2.28%) Elasticsearch
13 10 (2.07%) GlassFish
13 10 (2.07%) Mule ESB
13 10 (2.07%) nginx
13 10 (2.07%) WebSphere Application Server
14 9 (1.87%) MQSeries
15 7 (1.45%) Adobe Experience Manager
15 7 (1.45%) CMS
16 6 (1.24%) CloudStack
Applications
1 3 (0.62%) Microsoft Excel
2 1 (0.21%) Microsoft Office
Business Applications
1 8 (1.66%) Magento
2 7 (1.45%) Oracle EBS R12
3 1 (0.21%) Oracle BPM
3 1 (0.21%) Oracle EBS
Cloud Services
1 161 (33.40%) Amazon AWS
2 76 (15.77%) Microsoft Azure
3 32 (6.64%) Google Cloud Platform
4 24 (4.98%) Office 365
5 18 (3.73%) Runscope
6 16 (3.32%) Amazon EC2
7 14 (2.90%) Akamai
8 12 (2.49%) GitHub
8 12 (2.49%) SaaS
9 9 (1.87%) AWS CloudFormation
9 9 (1.87%) Boomi
10 8 (1.66%) Virtual Private Cloud
11 6 (1.24%) AWS CloudTrail
12 5 (1.04%) AWS Elastic Beanstalk
13 4 (0.83%) Trello
14 3 (0.62%) Cloud Computing
14 3 (0.62%) Google App Engine
14 3 (0.62%) Google Compute Engine
15 2 (0.41%) IaaS
15 2 (0.41%) Stackdriver
Communications & Networking
1 59 (12.24%) DNS
1 59 (12.24%) TCP/IP
2 43 (8.92%) DHCP
3 39 (8.09%) Firewall
4 36 (7.47%) HTTP
5 34 (7.05%) SNMP
6 30 (6.22%) VPN
7 26 (5.39%) Internet
8 19 (3.94%) Network Security
8 19 (3.94%) SAN
9 16 (3.32%) 802.11
10 15 (3.11%) ICMP
11 13 (2.70%) IPsec
11 13 (2.70%) Wi-Fi
12 12 (2.49%) Cisco ASA
13 11 (2.28%) WAN
14 9 (1.87%) Cisco Firepower
14 9 (1.87%) DMVPN
14 9 (1.87%) DWDM
14 9 (1.87%) MPLS
Database & Business Intelligence
1 48 (9.96%) SQL Server
2 32 (6.64%) Oracle Database
2 32 (6.64%) Relational Database
3 30 (6.22%) MySQL
4 27 (5.60%) NoSQL
5 15 (3.11%) Apache Cassandra
6 13 (2.70%) DB2
6 13 (2.70%) Oracle Database 12c
7 12 (2.49%) PostgreSQL
8 11 (2.28%) Amazon RDS
8 11 (2.28%) MongoDB
9 10 (2.07%) SQL Server 2008
10 9 (1.87%) RDBMS
11 8 (1.66%) Sybase ASE
12 7 (1.45%) Jackrabbit
12 7 (1.45%) MariaDB
13 6 (1.24%) Big Data
13 6 (1.24%) Endeca
13 6 (1.24%) Oracle Exadata
13 6 (1.24%) SQL Server Reporting Services
Development Applications
1 70 (14.52%) Jenkins
2 59 (12.24%) Git (software)
3 50 (10.37%) JIRA
4 22 (4.56%) JUnit
4 22 (4.56%) Selenium
4 22 (4.56%) Subversion
5 21 (4.36%) Eclipse
6 15 (3.11%) Metasploit
7 14 (2.90%) Mockito
7 14 (2.90%) MSTest
7 14 (2.90%) NUnit
7 14 (2.90%) VSS/SourceSafe
8 13 (2.70%) Jasmine
9 12 (2.49%) LabVIEW
9 12 (2.49%) Rational Team Concert
10 11 (2.28%) Cucumber
10 11 (2.28%) Maven
10 11 (2.28%) SoapUI
11 10 (2.07%) TeamCity
12 7 (1.45%) Log4j
General
1 54 (11.20%) Retail
2 39 (8.09%) Advertising
3 36 (7.47%) Finance
4 12 (2.49%) Marketing
5 8 (1.66%) Telecoms
6 5 (1.04%) Banking
6 5 (1.04%) Electronics
6 5 (1.04%) Publishing
7 4 (0.83%) Automotive
7 4 (0.83%) Games
7 4 (0.83%) Legal
8 3 (0.62%) Multimedia
9 2 (0.41%) French Language
9 2 (0.41%) German Language
9 2 (0.41%) Manufacturing
9 2 (0.41%) Swedish Language
Job Titles
1 91 (18.88%) Developer
2 47 (9.75%) DevOps Engineer
3 46 (9.54%) Analyst
3 46 (9.54%) Linux Engineer
4 44 (9.13%) Java Developer
5 38 (7.88%) Security Engineer
6 34 (7.05%) Cloud Engineer
7 33 (6.85%) Senior Developer
7 33 (6.85%) Systems Engineer
8 31 (6.43%) Administrator
9 29 (6.02%) VMware Engineer
10 28 (5.81%) Infrastructure Engineer
11 27 (5.60%) Software Engineer
12 24 (4.98%) Linux/Unix DevOps
13 23 (4.77%) Development Engineer
14 22 (4.56%) Linux DevOps Engineer
15 20 (4.15%) Linux Support
16 19 (3.94%) DBA
17 18 (3.73%) Software Development Engineer
17 18 (3.73%) Systems Administrator
Libraries, Frameworks & Software Standards
1 77 (15.98%) Web Services
2 62 (12.86%) HTML
3 51 (10.58%) .NET
4 47 (9.75%) XML
5 43 (8.92%) Middleware
6 39 (8.09%) CSS
7 37 (7.68%) AngularJS
8 32 (6.64%) jQuery
9 30 (6.22%) J2EE
10 29 (6.02%) ASP.NET
11 28 (5.81%) SOAP
12 27 (5.60%) Spring
13 26 (5.39%) HTML5
14 25 (5.19%) Hibernate
14 25 (5.19%) JSON
15 24 (4.98%) REST
16 22 (4.56%) Twitter Bootstrap
17 20 (4.15%) ASP.NET Web API
17 20 (4.15%) CSS3
18 18 (3.73%) ASP.NET MVC
Miscellaneous
1 61 (12.66%) Computer Science
2 58 (12.03%) Analytical Skills
3 54 (11.20%) Data Centre
4 34 (7.05%) Self-Motivation
5 33 (6.85%) Public Cloud
6 29 (6.02%) Management Information System
7 23 (4.77%) Security Operations Centre
8 20 (4.15%) Enterprise Software
9 16 (3.32%) Private Cloud
10 15 (3.11%) HP Storage
10 15 (3.11%) Mobile App
10 15 (3.11%) User Experience
11 14 (2.90%) Linux Command Line
12 9 (1.87%) Enterprise Storage
12 9 (1.87%) Hybrid Cloud
13 8 (1.66%) Acoustics
13 8 (1.66%) Embedded Systems
13 8 (1.66%) Mainframe
13 8 (1.66%) Replication
14 6 (1.24%) NHS
Operating Systems
1 185 (38.38%) Windows
2 172 (35.68%) Unix
3 56 (11.62%) Windows Server
4 35 (7.26%) HPUX
5 31 (6.43%) Solaris
6 24 (4.98%) Ubuntu
7 23 (4.77%) Debian
8 21 (4.36%) AIX
9 18 (3.73%) Kali Linux
10 16 (3.32%) Mac OS X
11 15 (3.11%) CentOS
12 13 (2.70%) CoreOS
13 8 (1.66%) Windows Server 2008
14 6 (1.24%) Windows 7
14 6 (1.24%) Windows Server 2012
15 4 (0.83%) VxWorks
15 4 (0.83%) Windows 10
15 4 (0.83%) Windows 8
16 2 (0.41%) Red Hat Enterprise Linux
17 1 (0.21%) DC/OS
Processes & Methodologies
1 193 (40.04%) DevOps
2 157 (32.57%) Agile Software Development
3 92 (19.09%) Problem-Solving
4 88 (18.26%) E-Commerce
5 77 (15.98%) ITIL
6 68 (14.11%) Open Source
7 67 (13.90%) Continuous Integration
8 49 (10.17%) MVC
9 47 (9.75%) Test Automation
10 42 (8.71%) Software Engineering
11 40 (8.30%) SOA
12 36 (7.47%) Scrum
12 36 (7.47%) Site Reliability Engineering
13 31 (6.43%) Project Management
14 29 (6.02%) SIEM
15 27 (5.60%) Mentoring
15 27 (5.60%) TDD
16 26 (5.39%) Load Balancing
16 26 (5.39%) Security Architecture
16 26 (5.39%) Stakeholder Management
Programming Languages
1 122 (25.31%) Python
2 120 (24.90%) Java
3 101 (20.95%) SQL
4 59 (12.24%) JavaScript
5 49 (10.17%) C#
6 42 (8.71%) Bash Shell
7 40 (8.30%) PHP
8 37 (7.68%) Perl
9 29 (6.02%) PowerShell
10 28 (5.81%) Ruby
10 28 (5.81%) Shell Script
11 18 (3.73%) C++
11 18 (3.73%) Groovy
12 11 (2.28%) VB.NET
12 11 (2.28%) VBA
13 10 (2.07%) C
14 8 (1.66%) Go
14 8 (1.66%) T-SQL
15 6 (1.24%) Java 8
16 4 (0.83%) XPath
Qualifications
1 96 (19.92%) Degree
2 46 (9.54%) Computer Science Degree
3 22 (4.56%) SSCP
4 15 (3.11%) GCIA
4 15 (3.11%) GCIH
4 15 (3.11%) GSEC
4 15 (3.11%) ITIL Certification
5 14 (2.90%) Cisco Certification
6 13 (2.70%) CISM
6 13 (2.70%) CISSP
7 11 (2.28%) CCNA
8 10 (2.07%) CEH
8 10 (2.07%) CompTIA Security+
9 8 (1.66%) Security Cleared
10 7 (1.45%) CISA
10 7 (1.45%) CSSLP
10 7 (1.45%) GIAC
10 7 (1.45%) Microsoft Certification
10 7 (1.45%) SANS
10 7 (1.45%) SC Cleared
Quality Assurance & Compliance
1 14 (2.90%) SLA
2 11 (2.28%) GCP
3 9 (1.87%) QA
4 8 (1.66%) ISO/IEC 27001
5 6 (1.24%) PCI DSS
6 3 (0.62%) BS7799
7 1 (0.21%) SEPA
System Software
1 77 (15.98%) Docker
2 58 (12.03%) VMware Infrastructure
3 50 (10.37%) VMware ESXi
4 36 (7.47%) Ceph
5 25 (5.19%) VMware NSX
6 24 (4.98%) Active Directory
7 12 (2.49%) vSphere
8 11 (2.28%) Hyper-V
9 5 (1.04%) Xen
10 4 (0.83%) LXC
11 3 (0.62%) vCloud
11 3 (0.62%) Virtual Machines
11 3 (0.62%) VMware Server
12 1 (0.21%) ISA Server
12 1 (0.21%) Microsoft App-V
12 1 (0.21%) Postfix
12 1 (0.21%) Samba
Systems Management
1 105 (21.78%) Puppet
2 68 (14.11%) Opscode Chef
3 60 (12.45%) Ansible
4 49 (10.17%) Kubernetes
5 29 (6.02%) vCenter Server
6 26 (5.39%) HP Data Protector
7 15 (3.11%) cPanel
7 15 (3.11%) Nessus
7 15 (3.11%) Nmap
7 15 (3.11%) Plesk
8 12 (2.49%) Terraform
9 10 (2.07%) vRealize
10 7 (1.45%) Grafana
11 4 (0.83%) CA Service Virtualization
11 4 (0.83%) HAProxy
11 4 (0.83%) Red Hat Satellite
11 4 (0.83%) Single Sign-On
12 3 (0.62%) AppManager
12 3 (0.62%) Backup Exec
12 3 (0.62%) ZABBIX
Vendors
1 141 (29.25%) VMware
2 106 (21.99%) Oracle
3 64 (13.28%) Microsoft
4 57 (11.83%) IBM
5 38 (7.88%) Google
6 36 (7.47%) Splunk
7 29 (6.02%) HP
8 25 (5.19%) NetApp
9 22 (4.56%) Citrix
10 20 (4.15%) 3PAR
11 19 (3.94%) Red Hat
12 17 (3.53%) Juniper
13 15 (3.11%) Brocade
13 15 (3.11%) Cisco
13 15 (3.11%) Netsparker
13 15 (3.11%) Qualys
14 14 (2.90%) Xamarin
15 13 (2.70%) ATG
15 13 (2.70%) Veeam
16 12 (2.49%) WSO2