Period
to 15 November 2018

The following table provides summary statistics for permanent job vacancies advertised in Watford 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 15 November 2018 with a comparison to the same period in the previous 2 years.

Linux
Hertfordshire > Watford
6 months to
15 Nov 2018
Same period 2017 Same period 2016
Rank 30 18 15
Rank change year-on-year -12 -3 -9
Permanent jobs citing Linux 82 106 112
As % of all permanent IT jobs advertised in Watford 8.55% 10.63% 10.69%
As % of the Operating Systems category 31.54% 34.75% 52.09%
Number of salaries quoted 68 57 77
Watford median annual salary £47,500 £48,500 £45,000
Median salary % change year-on-year -2.06% +7.78% -
10th Percentile £41,000 £33,250 £33,000
90th Percentile £81,375 £75,250 £78,500
Hertfordshire median annual salary £60,000 £50,000 £50,000
% change year-on-year +20.00% - +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 Watford with a requirement for operating system skills.

All Operating Systems
Watford
Permanent vacancies with a requirement for operating system skills 260 305 215
As % of all permanent IT jobs advertised in Watford 27.11% 30.59% 20.52%
Number of salaries quoted 214 220 165
Watford median annual salary £45,000 £40,000 £44,500
Median salary % change year-on-year +12.50% -10.11% -1.11%
10th Percentile £25,750 £23,000 £26,000
90th Percentile £71,250 £67,500 £67,000
Hertfordshire median annual salary £45,000 £42,500 £45,000
% change year-on-year +5.88% -5.56% +5.88%

Linux
Job Vacancy Trend in Watford

Job postings citing Linux as a percentage of all IT jobs advertised in Watford.

Job vacancy trend for Linux in Watford

Linux
Salary Trend in Watford

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Linux in Watford.

Salary trend for Linux in Watford

Linux
Salary Histogram in Watford

The salary distribution of IT jobs citing Linux in Watford over the 6 months to 15 November 2018.

Salary histogram for Linux in Watford

For the 6 months to 15 November 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 Watford region with a requirement for Linux.

1 48 (58.54%) Java
2 43 (52.44%) Windows
3 39 (47.56%) WebSphere
4 37 (45.12%) Oracle
5 36 (43.90%) Unix
5 36 (43.90%) Web Services
6 30 (36.59%) SQL
7 28 (34.15%) IBM
8 27 (32.93%) Tomcat
8 27 (32.93%) SQL Server
8 27 (32.93%) Relational Database
9 25 (30.49%) Microsoft
9 25 (30.49%) Shell Script
9 25 (30.49%) Microsoft Azure
10 24 (29.27%) Amazon AWS
10 24 (29.27%) Windows Server
11 23 (28.05%) Java EE
11 23 (28.05%) Firewall
11 23 (28.05%) VMware
11 23 (28.05%) JBoss
12 22 (26.83%) DNS
13 21 (25.61%) Hibernate
14 20 (24.39%) VPN
14 20 (24.39%) JIRA
14 20 (24.39%) Enterprise Software
15 18 (21.95%) Hyper-V
15 18 (21.95%) MySQL
15 18 (21.95%) Finance
16 17 (20.73%) SAN
16 17 (20.73%) J2EE

Linux
Co-occurring IT Skills in Watford 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 39 (47.56%) WebSphere
2 27 (32.93%) Tomcat
3 23 (28.05%) JBoss
4 16 (19.51%) WebLogic
5 14 (17.07%) GlassFish
5 14 (17.07%) MQSeries
6 13 (15.85%) OpenStack
6 13 (15.85%) Oracle SOA Suite
7 9 (10.98%) Skype for Business
8 5 (6.10%) Apache
8 5 (6.10%) Confluence
9 4 (4.88%) WebSphere Application Server
10 3 (3.66%) Jetty
11 2 (2.44%) Elasticsearch
11 2 (2.44%) Exchange Server 2013
11 2 (2.44%) MS Exchange
12 1 (1.22%) Apache Solr
12 1 (1.22%) OpenWhisk
12 1 (1.22%) SharePoint Server
Applications
1 5 (6.10%) HipChat
2 2 (2.44%) Microsoft Excel
2 2 (2.44%) Microsoft Office
2 2 (2.44%) MS Visio
Business Applications
1 1 (1.22%) Magento
Cloud Services
1 25 (30.49%) Microsoft Azure
2 24 (29.27%) Amazon AWS
3 15 (18.29%) IaaS
3 15 (18.29%) SaaS
4 14 (17.07%) AWS CloudFormation
5 12 (14.63%) PaaS
6 8 (9.76%) Office 365
7 6 (7.32%) Mimecast
8 1 (1.22%) Amazon SQS
8 1 (1.22%) AWS Lambda
8 1 (1.22%) Google Cloud Platform
8 1 (1.22%) Serverless
Communications & Networking
1 23 (28.05%) Firewall
2 22 (26.83%) DNS
3 20 (24.39%) VPN
4 17 (20.73%) SAN
5 14 (17.07%) Internet
5 14 (17.07%) TCP/IP
6 13 (15.85%) Reverse Proxy
7 9 (10.98%) DHCP
8 6 (7.32%) Unified Communications
9 4 (4.88%) LAN
9 4 (4.88%) Network Security
9 4 (4.88%) VoIP
9 4 (4.88%) WAN
9 4 (4.88%) Wireless
10 2 (2.44%) Skype
11 1 (1.22%) Cisco Nexus
11 1 (1.22%) PBX
11 1 (1.22%) Wireshark
Database & Business Intelligence
1 27 (32.93%) Relational Database
1 27 (32.93%) SQL Server
2 18 (21.95%) MySQL
3 12 (14.63%) RDBMS
4 7 (8.54%) PostgreSQL
4 7 (8.54%) SQL Server 2012
4 7 (8.54%) SQL Server 2014
5 2 (2.44%) Amazon RDS
5 2 (2.44%) Data Warehouse
5 2 (2.44%) DB2
5 2 (2.44%) InfluxDB
5 2 (2.44%) MongoDB
6 1 (1.22%) Amazon DynamoDB
6 1 (1.22%) Apache Cassandra
6 1 (1.22%) DbVisualizer
6 1 (1.22%) OLTP
Development Applications
1 20 (24.39%) JIRA
2 17 (20.73%) Jenkins
3 15 (18.29%) Eclipse
3 15 (18.29%) Git (software)
3 15 (18.29%) Rational Team Concert
4 9 (10.98%) Maven
5 5 (6.10%) Bitbucket
6 4 (4.88%) Checkstyle
6 4 (4.88%) Cucumber
6 4 (4.88%) Gradle
6 4 (4.88%) Sonatype Nexus
7 3 (3.66%) JBehave
7 3 (3.66%) Selenium
7 3 (3.66%) WebDriver
8 1 (1.22%) Firebug
8 1 (1.22%) JMeter
8 1 (1.22%) LoadRunner
8 1 (1.22%) The Grinder
General
1 18 (21.95%) Finance
2 11 (13.41%) French Language
2 11 (13.41%) German Language
2 11 (13.41%) Swedish Language
3 6 (7.32%) Retail
4 2 (2.44%) Automotive
4 2 (2.44%) Back Office
5 1 (1.22%) Banking
5 1 (1.22%) Telecoms
Job Titles
1 20 (24.39%) Developer
2 18 (21.95%) Architect
3 17 (20.73%) Infrastructure Architect
3 17 (20.73%) Java Developer
4 16 (19.51%) Senior Developer
5 15 (18.29%) Senior Java Developer
6 8 (9.76%) Analyst
6 8 (9.76%) Cloud Architect
6 8 (9.76%) Lead Architect
6 8 (9.76%) Lead Infrastructure Architect
6 8 (9.76%) SQL Analyst
7 7 (8.54%) Cloud Infrastructure Architect
7 7 (8.54%) Data Manager
7 7 (8.54%) Service Manager
8 6 (7.32%) 3rd Line Support
8 6 (7.32%) Systems Analyst
9 5 (6.10%) DevOps Engineer
9 5 (6.10%) Infrastructure Engineer
10 4 (4.88%) Data Architect
10 4 (4.88%) Network Engineer
Libraries, Frameworks & Software Standards
1 36 (43.90%) Web Services
2 23 (28.05%) Java EE
3 21 (25.61%) Hibernate
4 17 (20.73%) J2EE
5 15 (18.29%) jQuery
5 15 (18.29%) Spring
6 14 (17.07%) ActiveMQ
6 14 (17.07%) EJB
6 14 (17.07%) EJB 3.0
6 14 (17.07%) HornetQ
6 14 (17.07%) Java SE
6 14 (17.07%) JMS
6 14 (17.07%) WebSphere MQ
7 10 (12.20%) LAMP
8 9 (10.98%) HTML
9 7 (8.54%) Ajax
9 7 (8.54%) CSS
10 3 (3.66%) Gherkin
10 3 (3.66%) RabbitMQ
10 3 (3.66%) XML
Miscellaneous
1 20 (24.39%) Enterprise Software
2 17 (20.73%) Analytical Skills
3 14 (17.07%) Hybrid Cloud
4 13 (15.85%) Linux Command Line
4 13 (15.85%) Replication
5 11 (13.41%) Data Centre
6 9 (10.98%) Self-Motivation
7 7 (8.54%) Fintech
8 2 (2.44%) Greenfield Project
8 2 (2.44%) Handset
8 2 (2.44%) Management Information System
8 2 (2.44%) Video Conferencing
9 1 (1.22%) Cloud Native
9 1 (1.22%) Computer Science
9 1 (1.22%) Mobile Payment
9 1 (1.22%) PKI
9 1 (1.22%) Private Cloud
9 1 (1.22%) SWIFT
Operating Systems
1 43 (52.44%) Windows
2 36 (43.90%) Unix
3 24 (29.27%) Windows Server
4 8 (9.76%) Windows Server 2008
4 8 (9.76%) Windows Server 2012
5 7 (8.54%) Windows 10
5 7 (8.54%) Windows 7
5 7 (8.54%) Windows 8
6 3 (3.66%) Mac OS X
7 2 (2.44%) AIX
7 2 (2.44%) Solaris
7 2 (2.44%) Ubuntu
8 1 (1.22%) Mac OS
8 1 (1.22%) Red Hat Enterprise Linux
Processes & Methodologies
1 16 (19.51%) MVC
2 15 (18.29%) Deployment Automation
2 15 (18.29%) Migration
2 15 (18.29%) Problem-Solving
2 15 (18.29%) Web Application Development
3 13 (15.85%) Disaster Recovery
3 13 (15.85%) SOA
4 11 (13.41%) Presales
5 9 (10.98%) Agile Software Development
5 9 (10.98%) Analytical Thinking
5 9 (10.98%) Creative Thinking
5 9 (10.98%) Data Analysis
5 9 (10.98%) DevOps
5 9 (10.98%) ITIL
5 9 (10.98%) Performance Tuning
5 9 (10.98%) Time Management
6 8 (9.76%) UML
7 7 (8.54%) Performance Improvement
7 7 (8.54%) TDD
8 6 (7.32%) Zachman Framework
Programming Languages
1 48 (58.54%) Java
2 30 (36.59%) SQL
3 25 (30.49%) Shell Script
4 15 (18.29%) Groovy
4 15 (18.29%) JavaScript
4 15 (18.29%) PowerShell
4 15 (18.29%) Python
5 14 (17.07%) Bash Shell
6 13 (15.85%) AWK
7 11 (13.41%) PHP
8 7 (8.54%) C++
9 6 (7.32%) ANSI SQL
9 6 (7.32%) Java 8
10 2 (2.44%) T-SQL
11 1 (1.22%) C#
11 1 (1.22%) Erlang
11 1 (1.22%) Perl
11 1 (1.22%) Ruby
11 1 (1.22%) Scala
Qualifications
1 17 (20.73%) Degree
2 9 (10.98%) AWS Certification
3 8 (9.76%) Master's Degree
4 6 (7.32%) Microsoft Certification
5 4 (4.88%) CISA
5 4 (4.88%) CISM
5 4 (4.88%) CISSP
6 2 (2.44%) CCNA
6 2 (2.44%) Cisco Certification
6 2 (2.44%) ITIL Foundation Certificate
6 2 (2.44%) VMware Certified Professional (VCP)
7 1 (1.22%) CCNP
7 1 (1.22%) MCP
Quality Assurance & Compliance
1 8 (9.76%) ISO/IEC 27001
2 4 (4.88%) GDPR
2 4 (4.88%) ISO 22301
2 4 (4.88%) PCI DSS
3 3 (3.66%) QA
3 3 (3.66%) SLA
4 1 (1.22%) SEPA
System Software
1 18 (21.95%) Hyper-V
2 17 (20.73%) VMware ESXi
3 12 (14.63%) Active Directory
4 8 (9.76%) VMware Infrastructure
5 6 (7.32%) Docker
6 2 (2.44%) Firmware
6 2 (2.44%) Microsoft Virtual Server
6 2 (2.44%) Virtual Servers
7 1 (1.22%) ISA Server
7 1 (1.22%) Microsoft App-V
Systems Management
1 15 (18.29%) Opscode Chef
1 15 (18.29%) Puppet
2 7 (8.54%) Ansible
2 7 (8.54%) Backup Exec
2 7 (8.54%) Kubernetes
3 5 (6.10%) Docker Swarm
3 5 (6.10%) Mesos
3 5 (6.10%) Rancher
3 5 (6.10%) yum
4 4 (4.88%) Terraform
5 3 (3.66%) Grafana
6 2 (2.44%) Microsoft Data Protection Manager
6 2 (2.44%) SCCM
6 2 (2.44%) SCOM
7 1 (1.22%) Cisco Prime
7 1 (1.22%) OpenView
7 1 (1.22%) Salt
7 1 (1.22%) Tivoli
Vendors
1 37 (45.12%) Oracle
2 28 (34.15%) IBM
3 25 (30.49%) Microsoft
4 23 (28.05%) VMware
5 8 (9.76%) Citrix
5 8 (9.76%) Sybase
6 7 (8.54%) Asigra
6 7 (8.54%) Veeam
7 5 (6.10%) Atlassian
7 5 (6.10%) NetApp
8 4 (4.88%) LogRhythm
8 4 (4.88%) Sonatype
8 4 (4.88%) Splunk
9 3 (3.66%) AppDynamics
9 3 (3.66%) Dell
9 3 (3.66%) HP
9 3 (3.66%) New Relic
10 2 (2.44%) Cisco
10 2 (2.44%) Mitel
10 2 (2.44%) SolarWinds