Period
to 22 June 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 22 June 2018 with a comparison to the same period in the previous 2 years.

Linux
6 months to
22 Jun 2018
Same period 2017 Same period 2016
Rank 26 17 24
Rank change year-on-year -9 +7 +3
Permanent jobs citing Linux 115 220 193
As % of all permanent IT jobs advertised in Essex 7.94% 11.17% 9.24%
As % of the Operating Systems category 35.83% 44.81% 38.83%
Number of salaries quoted 87 192 159
Essex median annual salary £42,500 £47,500 £42,000
Median salary % change year-on-year -10.53% +13.10% -6.67%
10th Percentile £26,250 £28,374 £19,250
90th Percentile £78,500 £57,500 £54,000
East of England median annual salary £52,500 £45,000 £45,000
% change year-on-year +16.67% - +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 321 491 497
As % of all permanent IT jobs advertised in Essex 22.17% 24.92% 23.80%
Number of salaries quoted 275 403 385
Essex median annual salary £39,000 £40,000 £42,500
Median salary % change year-on-year -2.50% -5.88% +6.25%
10th Percentile £21,600 £25,000 £22,200
90th Percentile £72,500 £57,500 £62,500
East of England median annual salary £45,000 £40,500 £40,500
% change year-on-year +11.11% - +1.25%

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 22 June 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 22 June 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 -22 29 £45,000 -10.00% 8
Chelmsford +18 15 £57,500 +71.64% 4
Brentwood +22 9 £52,500 - 1
Saffron Walden -7 2 £37,000 -2.13% 6
Southend-on-Sea -16 2 £25,000 -10.71% 9
Canvey Island - 2 £34,500 - 3
Billericay - 2 £44,125 -
Basildon - 1 - - 4
Harlow - 1 £30,000 -
Loughton - 1 £60,000 -
Linux
East of England

For the 6 months to 22 June 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 55 (47.83%) Windows
2 40 (34.78%) Java
3 31 (26.96%) Oracle
4 30 (26.09%) Python
5 27 (23.48%) SQL
5 27 (23.48%) Oracle Database
6 26 (22.61%) Relational Database
6 26 (22.61%) Windows Server
6 26 (22.61%) Amazon AWS
6 26 (22.61%) VMware
7 25 (21.74%) Agile Software Development
8 24 (20.87%) SQL Server
8 24 (20.87%) Microsoft Azure
9 23 (20.00%) JavaScript
10 22 (19.13%) TCP/IP
10 22 (19.13%) Hyper-V
11 21 (18.26%) RDBMS
11 21 (18.26%) Active Directory
11 21 (18.26%) SAN
11 21 (18.26%) Office 365
12 20 (17.39%) vSphere
12 20 (17.39%) DNS
12 20 (17.39%) C
12 20 (17.39%) HTML
12 20 (17.39%) PL/SQL
13 19 (16.52%) C#
13 19 (16.52%) NAS
13 19 (16.52%) Degree
13 19 (16.52%) VMware ESXi
14 18 (15.65%) Analytics

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 13 (11.30%) Apache
1 13 (11.30%) WebSphere
2 12 (10.43%) JBoss
3 11 (9.57%) Tomcat
4 8 (6.96%) WebLogic
5 6 (5.22%) WordPress
6 4 (3.48%) Apache Geronimo
6 4 (3.48%) Apache Pig
6 4 (3.48%) Apache Spark
6 4 (3.48%) GlassFish
7 2 (1.74%) Zimbra
8 1 (0.87%) CMS
8 1 (0.87%) Exchange Server 2013
8 1 (0.87%) IIS
8 1 (0.87%) WebSphere Application Server
8 1 (0.87%) WebSphere Process Server
Applications
1 4 (3.48%) Weka
2 1 (0.87%) Photoshop
2 1 (0.87%) Simulink
Business Applications
1 1 (0.87%) Teamcenter
Cloud Services
1 26 (22.61%) Amazon AWS
2 24 (20.87%) Microsoft Azure
3 21 (18.26%) Office 365
4 2 (1.74%) IaaS
4 2 (1.74%) PaaS
5 1 (0.87%) GitHub
5 1 (0.87%) Slack
Communications & Networking
1 22 (19.13%) TCP/IP
2 21 (18.26%) SAN
3 20 (17.39%) DNS
4 19 (16.52%) NAS
5 9 (7.83%) Firewall
5 9 (7.83%) Internet
6 4 (3.48%) FTP
6 4 (3.48%) VPN
7 2 (1.74%) IPsec
7 2 (1.74%) iSCSI
7 2 (1.74%) OpenVPN
7 2 (1.74%) PBX
7 2 (1.74%) Softphone
7 2 (1.74%) Wi-Fi
8 1 (0.87%) IP Telephony
8 1 (0.87%) NetScaler
8 1 (0.87%) Network Security
8 1 (0.87%) Remote Desktop
8 1 (0.87%) SSH
8 1 (0.87%) Wireless
Database & Business Intelligence
1 27 (23.48%) Oracle Database
2 26 (22.61%) Relational Database
3 24 (20.87%) SQL Server
4 21 (18.26%) RDBMS
5 16 (13.91%) MySQL
6 10 (8.70%) PostgreSQL
7 7 (6.09%) NoSQL
8 6 (5.22%) Data Warehouse
9 5 (4.35%) Oracle Database 10g
9 5 (4.35%) Oracle Database 11g
10 4 (3.48%) Apache Hive
10 4 (3.48%) Big Data
10 4 (3.48%) CouchDB
10 4 (3.48%) Hadoop
10 4 (3.48%) Mahout
10 4 (3.48%) MongoDB
10 4 (3.48%) Neo4j
10 4 (3.48%) Sqoop
11 3 (2.61%) Oracle OLAP
11 3 (2.61%) SQL Server 2008
Development Applications
1 9 (7.83%) Git (software)
2 6 (5.22%) Ant
3 5 (4.35%) Gradle
3 5 (4.35%) Maven
4 4 (3.48%) Selenium
5 2 (1.74%) JIRA
6 1 (0.87%) Bitbucket
6 1 (0.87%) GitLab
6 1 (0.87%) Grunt
6 1 (0.87%) Jenkins
6 1 (0.87%) Rational DOORS
6 1 (0.87%) SpecFlow
6 1 (0.87%) TestRail
General
1 16 (13.91%) Finance
2 6 (5.22%) Automotive
3 3 (2.61%) Games
4 2 (1.74%) Advertising
4 2 (1.74%) Aerospace
4 2 (1.74%) Electronics
5 1 (0.87%) Banking
5 1 (0.87%) Manufacturing
5 1 (0.87%) Marketing
5 1 (0.87%) Publishing
5 1 (0.87%) Retail
Job Titles
1 43 (37.39%) Developer
2 16 (13.91%) Java Developer
3 13 (11.30%) Infrastructure Engineer
4 12 (10.43%) Data Scientist
5 11 (9.57%) Support Engineer
6 10 (8.70%) PHP Developer
6 10 (8.70%) Senior Data Scientist
7 9 (7.83%) DBA
7 9 (7.83%) Lead Developer
7 9 (7.83%) Lead Java Developer
7 9 (7.83%) Oracle DBA
8 6 (5.22%) Administrator
8 6 (5.22%) Database Developer
8 6 (5.22%) Database Programmer
8 6 (5.22%) Development Team Leader
8 6 (5.22%) Java Team Leader
8 6 (5.22%) Oracle Database Developer
8 6 (5.22%) Oracle Developer
8 6 (5.22%) Programmer
8 6 (5.22%) Team Leader
Libraries, Frameworks & Software Standards
1 20 (17.39%) HTML
2 18 (15.65%) CSS
3 15 (13.04%) Web Services
4 14 (12.17%) Java EE
4 14 (12.17%) Natural Language Processing
4 14 (12.17%) SOAP
4 14 (12.17%) Spring
5 13 (11.30%) JSP
6 12 (10.43%) Ajax
7 11 (9.57%) Spring MVC
7 11 (9.57%) Swing
8 9 (7.83%) Hibernate
9 8 (6.96%) .NET
10 7 (6.09%) JMS
10 7 (6.09%) XML
11 6 (5.22%) AngularJS
11 6 (5.22%) JPA
11 6 (5.22%) jQuery
11 6 (5.22%) REST
12 5 (4.35%) LINQ
Miscellaneous
1 14 (12.17%) Computer Science
2 5 (4.35%) Analytical Skills
2 5 (4.35%) Clustering
3 2 (1.74%) Management Information System
3 2 (1.74%) NHS
4 1 (0.87%) Client/Server
4 1 (0.87%) Cyberattack
4 1 (0.87%) Cybercrime
4 1 (0.87%) DataPower
4 1 (0.87%) Device Driver
4 1 (0.87%) Field-Programmable Gate Array
4 1 (0.87%) Fintech
4 1 (0.87%) Self-Motivation
4 1 (0.87%) User Experience
Operating Systems
1 55 (47.83%) Windows
2 26 (22.61%) Windows Server
3 9 (7.83%) Unix
4 7 (6.09%) Red Hat Enterprise Linux
5 5 (4.35%) Windows 10
6 3 (2.61%) Windows Server 2008
6 3 (2.61%) Windows Server 2012
7 2 (1.74%) Debian
7 2 (1.74%) Ubuntu
7 2 (1.74%) Windows 7
8 1 (0.87%) Embedded Linux
8 1 (0.87%) Solaris
8 1 (0.87%) SUSE Linux Enterprise Server
8 1 (0.87%) VxWorks
Processes & Methodologies
1 25 (21.74%) Agile Software Development
2 18 (15.65%) Analytics
2 18 (15.65%) E-Commerce
3 17 (14.78%) MVC
3 17 (14.78%) Open Source
4 15 (13.04%) OO
4 15 (13.04%) OOP
5 14 (12.17%) Data Science
5 14 (12.17%) Deep Learning
5 14 (12.17%) Machine Learning
6 12 (10.43%) Computational Linguistics
6 12 (10.43%) Web Development
7 11 (9.57%) Collaborative Working
7 11 (9.57%) Computer Vision
7 11 (9.57%) Sentiment Analysis
8 10 (8.70%) Business Intelligence
8 10 (8.70%) Data Analytics
9 8 (6.96%) Problem-Solving
10 7 (6.09%) Performance Tuning
11 6 (5.22%) ETL
Programming Languages
1 40 (34.78%) Java
2 30 (26.09%) Python
3 27 (23.48%) SQL
4 23 (20.00%) JavaScript
5 20 (17.39%) C
5 20 (17.39%) PL/SQL
6 19 (16.52%) C#
7 16 (13.91%) C++
8 15 (13.04%) MATLAB
9 14 (12.17%) R
10 12 (10.43%) PHP
11 6 (5.22%) Bash Shell
11 6 (5.22%) T-SQL
12 3 (2.61%) Java 8
12 3 (2.61%) Perl
13 2 (1.74%) Embedded C
13 2 (1.74%) Shell Script
14 1 (0.87%) ES6
14 1 (0.87%) Groovy
14 1 (0.87%) Ruby
Qualifications
1 19 (16.52%) Degree
2 13 (11.30%) Security Cleared
3 12 (10.43%) PhD
4 9 (7.83%) DV Cleared
5 7 (6.09%) Computer Science Degree
6 4 (3.48%) SC Cleared
Quality Assurance & Compliance
1 6 (5.22%) QA
2 4 (3.48%) Data Quality
2 4 (3.48%) SLA
3 2 (1.74%) HL7
4 1 (0.87%) MiFID
System Software
1 22 (19.13%) Hyper-V
2 21 (18.26%) Active Directory
3 20 (17.39%) vSphere
4 19 (16.52%) VMware ESXi
5 6 (5.22%) VMware Infrastructure
6 5 (4.35%) Oracle RAC
7 4 (3.48%) Docker
7 4 (3.48%) HDFS
8 2 (1.74%) XenApp
8 2 (1.74%) XenDesktop
9 1 (0.87%) Firmware
9 1 (0.87%) Virtual Servers
Systems Management
1 5 (4.35%) Oracle Enterprise Manager
2 4 (3.48%) Graphite
2 4 (3.48%) Graylog
2 4 (3.48%) Opscode Chef
2 4 (3.48%) Puppet
3 2 (1.74%) Data Guard
3 2 (1.74%) Enterprise Manager Cloud Control
3 2 (1.74%) Oracle Flashback
3 2 (1.74%) Oracle RMAN
4 1 (0.87%) Ansible
4 1 (0.87%) Single Sign-On
Vendors
1 31 (26.96%) Oracle
2 26 (22.61%) VMware
3 18 (15.65%) Draytek
3 18 (15.65%) SonicWALL
4 5 (4.35%) NetApp
5 4 (3.48%) Alteryx
5 4 (3.48%) New Relic
5 4 (3.48%) Tableau
6 3 (2.61%) Apple
6 3 (2.61%) Microsoft
6 3 (2.61%) Veeam
7 2 (1.74%) Citrix
7 2 (1.74%) Dell
7 2 (1.74%) HP
7 2 (1.74%) Open-E
7 2 (1.74%) Red Hat
7 2 (1.74%) RedGate
8 1 (0.87%) Okta
8 1 (0.87%) ServiceNow
8 1 (0.87%) Xamarin