Period
to 19 August 2018

The following table provides summary statistics for permanent job vacancies advertised in Essex 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 19 August 2018 with a comparison to the same period in the previous 2 years.

Linux
6 months to
19 Aug 2018
Same period 2017 Same period 2016
Rank 29 19 26
Rank change year-on-year -10 +7 +4
Permanent jobs citing Linux 90 190 168
As % of all permanent IT jobs advertised in Essex 6.63% 10.39% 8.23%
As % of the Operating Systems category 30.72% 43.98% 35.59%
Number of salaries quoted 71 167 136
Essex median annual salary £40,000 £45,000 £44,000
Median salary % change year-on-year -11.11% +2.27% -2.22%
10th Percentile £26,250 £28,374 £23,375
90th Percentile £80,000 £57,500 £55,000
East of England median annual salary £52,500 £46,902 £45,000
% change year-on-year +11.94% +4.23% +2.27%

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 Essex with a requirement for operating system skills.

All Operating Systems
Essex
Permanent vacancies with a requirement for operating system skills 293 432 472
As % of all permanent IT jobs advertised in Essex 21.59% 23.62% 23.11%
Number of salaries quoted 226 351 376
Essex median annual salary £38,500 £40,000 £45,000
Median salary % change year-on-year -3.75% -11.11% +12.50%
10th Percentile £21,250 £25,000 £22,500
90th Percentile £73,125 £57,500 £64,375
East of England median annual salary £45,000 £42,500 £42,500
% change year-on-year +5.88% - +6.25%

Linux
Job Vacancy Trend in Essex

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

Job vacancy trend for Linux in Essex

Linux
Salary Trend in Essex

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

Salary trend for Linux in Essex

Linux
Salary Histogram in Essex

The salary distribution of IT jobs citing Linux in Essex over the 6 months to 19 August 2018.

Salary histogram for Linux in Essex

Linux
Job Locations in Essex

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Linux within the Essex region over the 6 months to 19 August 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
Colchester -15 23 £45,000 -10.00% 4
Chelmsford +9 13 £75,000 +117.39% 1
Brentwood +19 5 £22,500 - 3
Basildon - 3 £35,000 - 2
Saffron Walden -6 2 £37,000 -7.50% 1
Billericay - 2 £41,125 -
Canvey Island - 2 £34,500 - 1
Witham +3 1 £22,500 -55.00%
Southend-on-Sea -13 1 - - 13
Harlow - 1 £30,000 -
Loughton - 1 £60,000 -
Linux
East of England

For the 6 months to 19 August 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 Essex region with a requirement for Linux.

1 41 (45.56%) Windows
2 27 (30.00%) Amazon AWS
3 26 (28.89%) Java
3 26 (28.89%) Oracle
4 25 (27.78%) Microsoft Azure
5 24 (26.67%) TCP/IP
5 24 (26.67%) Windows Server
6 23 (25.56%) Relational Database
6 23 (25.56%) DNS
6 23 (25.56%) VMware
6 23 (25.56%) vSphere
7 22 (24.44%) VMware ESXi
7 22 (24.44%) NAS
7 22 (24.44%) Hyper-V
7 22 (24.44%) Active Directory
7 22 (24.44%) SAN
7 22 (24.44%) Infrastructure Engineering
8 21 (23.33%) Oracle Database
8 21 (23.33%) Office 365
8 21 (23.33%) SQL
8 21 (23.33%) Agile Software Development
8 21 (23.33%) SonicWALL
8 21 (23.33%) Draytek
9 19 (21.11%) Degree
9 19 (21.11%) SQL Server
10 18 (20.00%) Python
11 17 (18.89%) RDBMS
12 16 (17.78%) E-Commerce
12 16 (17.78%) PL/SQL
12 16 (17.78%) HTML

Linux
Co-occurring IT Skills in Essex 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 12 (13.33%) Apache
1 12 (13.33%) WebSphere
2 11 (12.22%) JBoss
3 10 (11.11%) Tomcat
4 9 (10.00%) WebLogic
5 5 (5.56%) WordPress
6 2 (2.22%) Apache Geronimo
6 2 (2.22%) Apache Pig
6 2 (2.22%) Apache Spark
6 2 (2.22%) GlassFish
7 1 (1.11%) CMS
7 1 (1.11%) Exchange Server 2013
7 1 (1.11%) IIS
7 1 (1.11%) WebSphere Application Server
7 1 (1.11%) WebSphere Process Server
Applications
1 2 (2.22%) Weka
2 1 (1.11%) Simulink
Business Applications
1 1 (1.11%) Teamcenter
Cloud Services
1 27 (30.00%) Amazon AWS
2 25 (27.78%) Microsoft Azure
3 21 (23.33%) Office 365
4 1 (1.11%) GitHub
4 1 (1.11%) IaaS
4 1 (1.11%) PaaS
Communications & Networking
1 24 (26.67%) TCP/IP
2 23 (25.56%) DNS
3 22 (24.44%) NAS
3 22 (24.44%) SAN
4 7 (7.78%) Internet
5 6 (6.67%) Firewall
6 3 (3.33%) FTP
6 3 (3.33%) SMS
7 1 (1.11%) DHCP
7 1 (1.11%) HTTP
7 1 (1.11%) LAN
7 1 (1.11%) NetScaler
7 1 (1.11%) RapidIO
7 1 (1.11%) Remote Desktop
7 1 (1.11%) SSH
7 1 (1.11%) VPN
7 1 (1.11%) WAN
Database & Business Intelligence
1 23 (25.56%) Relational Database
2 21 (23.33%) Oracle Database
3 19 (21.11%) SQL Server
4 17 (18.89%) RDBMS
5 14 (15.56%) MySQL
6 8 (8.89%) PostgreSQL
7 7 (7.78%) Data Warehouse
8 5 (5.56%) NoSQL
9 3 (3.33%) Data Mining
9 3 (3.33%) OLAP
9 3 (3.33%) Oracle OLAP
10 2 (2.22%) Apache Hive
10 2 (2.22%) CouchDB
10 2 (2.22%) Hadoop
10 2 (2.22%) MongoDB
10 2 (2.22%) Oracle Database 10g
10 2 (2.22%) Oracle Database 11g
10 2 (2.22%) SQL Server 2005
10 2 (2.22%) SQL Server 2008
10 2 (2.22%) SQL Server Reporting Services
Development Applications
1 7 (7.78%) Git (software)
2 5 (5.56%) Ant
2 5 (5.56%) Gradle
2 5 (5.56%) Maven
3 3 (3.33%) Selenium
4 1 (1.11%) GitLab
4 1 (1.11%) Jenkins
4 1 (1.11%) JIRA
4 1 (1.11%) Rational DOORS
General
1 13 (14.44%) Finance
2 3 (3.33%) Automotive
3 2 (2.22%) Games
3 2 (2.22%) Retail
4 1 (1.11%) Banking
4 1 (1.11%) Electronics
4 1 (1.11%) Manufacturing
4 1 (1.11%) Marketing
4 1 (1.11%) Publishing
Job Titles
1 34 (37.78%) Developer
2 15 (16.67%) Infrastructure Engineer
3 12 (13.33%) Support Engineer
4 11 (12.22%) Java Developer
5 10 (11.11%) Lead Developer
5 10 (11.11%) Lead Java Developer
6 9 (10.00%) PHP Developer
7 7 (7.78%) Database Developer
7 7 (7.78%) Database Programmer
7 7 (7.78%) Oracle Database Developer
7 7 (7.78%) Oracle Developer
7 7 (7.78%) Programmer
8 6 (6.67%) Development Team Leader
8 6 (6.67%) Java Development Team Leader
8 6 (6.67%) Java Team Leader
8 6 (6.67%) Team Leader
9 5 (5.56%) Data Scientist
9 5 (5.56%) Infrastructure Support
9 5 (5.56%) Linux Engineer
9 5 (5.56%) Senior Data Scientist
Libraries, Frameworks & Software Standards
1 16 (17.78%) CSS
1 16 (17.78%) HTML
2 14 (15.56%) Web Services
3 11 (12.22%) Ajax
3 11 (12.22%) Java EE
3 11 (12.22%) SOAP
3 11 (12.22%) Spring
4 10 (11.11%) JSP
4 10 (11.11%) Spring MVC
4 10 (11.11%) Swing
5 7 (7.78%) Natural Language Processing
6 5 (5.56%) .NET
6 5 (5.56%) Hibernate
6 5 (5.56%) JMS
7 4 (4.44%) AngularJS
7 4 (4.44%) CakePHP
7 4 (4.44%) jQuery
7 4 (4.44%) LAMP
7 4 (4.44%) REST
7 4 (4.44%) XML
Miscellaneous
1 13 (14.44%) Computer Science
2 3 (3.33%) Clustering
3 2 (2.22%) Management Information System
3 2 (2.22%) NHS
4 1 (1.11%) Analytical Skills
4 1 (1.11%) DataPower
4 1 (1.11%) Device Driver
4 1 (1.11%) Field-Programmable Gate Array
4 1 (1.11%) Mobile App
4 1 (1.11%) User Experience
Operating Systems
1 41 (45.56%) Windows
2 24 (26.67%) Windows Server
3 8 (8.89%) Unix
4 3 (3.33%) Red Hat Enterprise Linux
4 3 (3.33%) Windows 10
5 2 (2.22%) Debian
6 1 (1.11%) Embedded Linux
6 1 (1.11%) Solaris
6 1 (1.11%) VxWorks
6 1 (1.11%) Windows Server 2008
6 1 (1.11%) Windows Server 2012
Processes & Methodologies
1 22 (24.44%) Infrastructure Engineering
2 21 (23.33%) Agile Software Development
3 16 (17.78%) E-Commerce
4 15 (16.67%) MVC
5 12 (13.33%) OO
5 12 (13.33%) OOP
6 9 (10.00%) Analytics
6 9 (10.00%) Web Development
7 8 (8.89%) Open Source
8 7 (7.78%) Data Science
8 7 (7.78%) Deep Learning
8 7 (7.78%) ETL
8 7 (7.78%) Machine Learning
9 6 (6.67%) Collaborative Working
10 5 (5.56%) Computational Linguistics
10 5 (5.56%) Computer Vision
10 5 (5.56%) Data Analytics
10 5 (5.56%) Problem-Solving
10 5 (5.56%) Sentiment Analysis
10 5 (5.56%) Test Automation
Programming Languages
1 26 (28.89%) Java
2 21 (23.33%) SQL
3 18 (20.00%) Python
4 16 (17.78%) JavaScript
4 16 (17.78%) PL/SQL
5 11 (12.22%) PHP
6 10 (11.11%) C
6 10 (11.11%) C#
7 8 (8.89%) MATLAB
8 7 (7.78%) R
9 5 (5.56%) Bash Shell
9 5 (5.56%) C++
10 3 (3.33%) Perl
10 3 (3.33%) T-SQL
11 2 (2.22%) Embedded C
12 1 (1.11%) Groovy
12 1 (1.11%) Java 8
12 1 (1.11%) Ruby
12 1 (1.11%) Shell Script
Qualifications
1 19 (21.11%) Degree
2 9 (10.00%) Computer Science Degree
3 8 (8.89%) Security Cleared
4 5 (5.56%) DV Cleared
4 5 (5.56%) PhD
5 3 (3.33%) SC Cleared
Quality Assurance & Compliance
1 5 (5.56%) QA
2 3 (3.33%) Data Quality
3 2 (2.22%) HL7
3 2 (2.22%) SLA
System Software
1 23 (25.56%) vSphere
2 22 (24.44%) Active Directory
2 22 (24.44%) Hyper-V
2 22 (24.44%) VMware ESXi
3 3 (3.33%) Docker
3 3 (3.33%) Oracle RAC
3 3 (3.33%) VMware Infrastructure
4 2 (2.22%) HDFS
5 1 (1.11%) Firmware
5 1 (1.11%) Virtual Servers
5 1 (1.11%) XenApp
5 1 (1.11%) XenDesktop
Systems Management
1 3 (3.33%) Graphite
1 3 (3.33%) Graylog
1 3 (3.33%) Opscode Chef
1 3 (3.33%) Oracle Enterprise Manager
1 3 (3.33%) Puppet
2 1 (1.11%) Ansible
2 1 (1.11%) Single Sign-On
Vendors
1 26 (28.89%) Oracle
2 23 (25.56%) VMware
3 21 (23.33%) Draytek
3 21 (23.33%) SonicWALL
4 3 (3.33%) NetApp
4 3 (3.33%) New Relic
5 2 (2.22%) Alteryx
5 2 (2.22%) Microsoft
5 2 (2.22%) Tableau
6 1 (1.11%) Apple
6 1 (1.11%) Atlassian
6 1 (1.11%) Citrix
6 1 (1.11%) EMC
6 1 (1.11%) IBM
6 1 (1.11%) Intel
6 1 (1.11%) RedGate
6 1 (1.11%) ServiceNow
6 1 (1.11%) Sybase
6 1 (1.11%) Veeam
6 1 (1.11%) Xilinx