Period
to 23 April 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 23 April 2018 with a comparison to the same period in the previous 2 years.

Linux
6 months to
23 Apr 2018
Same period 2017 Same period 2016
Rank 28 17 26
Rank change year-on-year -11 +9 -3
Permanent jobs citing Linux 121 217 214
As % of all permanent IT jobs advertised in Essex 8.04% 11.38% 9.47%
As % of the Operating Systems category 38.41% 48.33% 41.96%
Number of salaries quoted 94 175 170
Essex median annual salary £45,000 £47,500 £40,000
Median salary % change year-on-year -5.26% +18.75% -11.11%
10th Percentile £26,625 £28,374 £20,825
90th Percentile £69,625 £62,500 £52,500
East of England median annual salary £52,500 £47,000 £42,500
% change year-on-year +11.70% +10.59% -3.41%

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 315 449 510
As % of all permanent IT jobs advertised in Essex 20.93% 23.54% 22.57%
Number of salaries quoted 273 349 371
Essex median annual salary £45,000 £42,500 £40,000
Median salary % change year-on-year +5.88% +6.25% -5.88%
10th Percentile £23,604 £25,952 £22,500
90th Percentile £70,000 £59,000 £58,750
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 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 23 April 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 23 April 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 -25 35 £50,000 - 1
Brentwood +24 15 £52,500 - 1
Chelmsford +19 15 £50,000 +33.33% 2
Saffron Walden -1 4 £45,000 +39.93% 2
Southend-on-Sea -17 2 £25,000 -41.86% 1
Witham -10 1 £22,500 -36.17%
Harlow - 1 £30,000 -
Billericay - 1 £47,000 - 1
Canvey Island - 1 £29,000 - 3
Linux
East of England

For the 6 months to 23 April 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 47 (38.84%) Windows
2 46 (38.02%) Java
3 44 (36.36%) SQL
4 41 (33.88%) Oracle
5 34 (28.10%) Oracle Database
6 30 (24.79%) PL/SQL
7 29 (23.97%) Python
8 26 (21.49%) RDBMS
8 26 (21.49%) JavaScript
8 26 (21.49%) Relational Database
9 22 (18.18%) C
9 22 (18.18%) HTML
9 22 (18.18%) VMware
10 21 (17.36%) Agile Software Development
10 21 (17.36%) SQL Server
11 20 (16.53%) CSS
12 19 (15.70%) C#
12 19 (15.70%) Analytics
12 19 (15.70%) Amazon AWS
13 18 (14.88%) Office 365
13 18 (14.88%) Windows Server
14 17 (14.05%) Open Source
14 17 (14.05%) Performance Tuning
14 17 (14.05%) Spring
14 17 (14.05%) Java EE
14 17 (14.05%) Degree
14 17 (14.05%) C++
15 16 (13.22%) Active Directory
15 16 (13.22%) Hibernate
16 15 (12.40%) Web Development

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 14 (11.57%) JBoss
2 9 (7.44%) WebSphere
3 8 (6.61%) Apache
3 8 (6.61%) Apache Spark
4 7 (5.79%) Tomcat
5 5 (4.13%) Apache Geronimo
5 5 (4.13%) Apache Pig
5 5 (4.13%) GlassFish
6 3 (2.48%) WebLogic
7 2 (1.65%) WordPress
7 2 (1.65%) Zimbra
8 1 (0.83%) CMS
8 1 (0.83%) WebSphere Application Server
8 1 (0.83%) WebSphere Process Server
Applications
1 6 (4.96%) Weka
2 1 (0.83%) Photoshop
Cloud Services
1 19 (15.70%) Amazon AWS
2 18 (14.88%) Office 365
3 15 (12.40%) Microsoft Azure
4 4 (3.31%) Cloud Computing
5 2 (1.65%) AWS CloudFormation
5 2 (1.65%) IaaS
5 2 (1.65%) PaaS
6 1 (0.83%) Azure Active Directory
6 1 (0.83%) GitHub
6 1 (0.83%) Slack
Communications & Networking
1 15 (12.40%) NAS
2 13 (10.74%) SAN
3 12 (9.92%) TCP/IP
4 10 (8.26%) DNS
5 5 (4.13%) Firewall
6 3 (2.48%) DVB
6 3 (2.48%) FTP
6 3 (2.48%) HTTP
6 3 (2.48%) Internet
6 3 (2.48%) VPN
6 3 (2.48%) Wireless
7 2 (1.65%) Broadband
7 2 (1.65%) IPsec
7 2 (1.65%) iSCSI
7 2 (1.65%) OpenVPN
7 2 (1.65%) PBX
7 2 (1.65%) Softphone
7 2 (1.65%) Wi-Fi
8 1 (0.83%) IP Telephony
8 1 (0.83%) Remote Desktop
Database & Business Intelligence
1 34 (28.10%) Oracle Database
2 26 (21.49%) RDBMS
2 26 (21.49%) Relational Database
3 21 (17.36%) SQL Server
4 13 (10.74%) MySQL
5 11 (9.09%) Oracle Database 11g
6 10 (8.26%) Hadoop
6 10 (8.26%) NoSQL
6 10 (8.26%) PostgreSQL
7 9 (7.44%) CouchDB
7 9 (7.44%) MongoDB
8 8 (6.61%) Apache Hive
8 8 (6.61%) Big Data
9 7 (5.79%) Oracle Database 12c
10 6 (4.96%) Mahout
10 6 (4.96%) Neo4j
10 6 (4.96%) Oracle Database 10g
10 6 (4.96%) SQL Server 2014
11 5 (4.13%) SQL Server 2012
11 5 (4.13%) Sqoop
Development Applications
1 8 (6.61%) Git (software)
2 5 (4.13%) Ant
3 4 (3.31%) Gradle
3 4 (3.31%) JIRA
3 4 (3.31%) Maven
3 4 (3.31%) Selenium
4 3 (2.48%) Jenkins
5 2 (1.65%) Bugzilla
5 2 (1.65%) Redmine
5 2 (1.65%) Trac
6 1 (0.83%) Bitbucket
6 1 (0.83%) GitLab
6 1 (0.83%) Grunt
6 1 (0.83%) SpecFlow
6 1 (0.83%) TestRail
6 1 (0.83%) Visual Studio
General
1 11 (9.09%) Finance
2 10 (8.26%) Advertising
3 7 (5.79%) Automotive
4 3 (2.48%) Games
5 2 (1.65%) Aerospace
5 2 (1.65%) Telecoms
6 1 (0.83%) Banking
6 1 (0.83%) Electronics
6 1 (0.83%) Marketing
6 1 (0.83%) Publishing
Job Titles
1 43 (35.54%) Developer
2 19 (15.70%) DBA
2 19 (15.70%) Java Developer
2 19 (15.70%) Oracle DBA
3 15 (12.40%) Administrator
4 12 (9.92%) Linux Engineer
5 11 (9.09%) Data Scientist
6 9 (7.44%) Senior Data Scientist
6 9 (7.44%) SQL DBA
6 9 (7.44%) Support Engineer
7 7 (5.79%) Infrastructure Engineer
7 7 (5.79%) Lead Developer
7 7 (5.79%) SQL Developer
7 7 (5.79%) Systems Engineer
8 6 (4.96%) Oracle Developer
8 6 (4.96%) Software Developer
8 6 (4.96%) Software Engineer
9 5 (4.13%) C++ Developer
9 5 (4.13%) Database Developer
9 5 (4.13%) PL/SQL Developer
Libraries, Frameworks & Software Standards
1 22 (18.18%) HTML
2 20 (16.53%) CSS
3 17 (14.05%) Java EE
3 17 (14.05%) Spring
4 16 (13.22%) Hibernate
5 15 (12.40%) JPA
6 13 (10.74%) Natural Language Processing
7 10 (8.26%) J2EE
7 10 (8.26%) SOAP
7 10 (8.26%) Struts
7 10 (8.26%) Web Services
8 9 (7.44%) Java SE
8 9 (7.44%) JSP
8 9 (7.44%) REST
9 8 (6.61%) .NET
9 8 (6.61%) Ajax
10 7 (5.79%) JMS
10 7 (5.79%) Spring MVC
10 7 (5.79%) Swing
11 6 (4.96%) AngularJS
Miscellaneous
1 10 (8.26%) Computer Science
2 9 (7.44%) Clustering
3 6 (4.96%) Analytical Skills
4 4 (3.31%) Self-Motivation
5 3 (2.48%) Digital TV
6 2 (1.65%) Client/Server
6 2 (1.65%) Cloud Native
6 2 (1.65%) Linux Command Line
6 2 (1.65%) NHS
6 2 (1.65%) STB
7 1 (0.83%) Cyberattack
7 1 (0.83%) Cybercrime
7 1 (0.83%) DataPower
7 1 (0.83%) Device Driver
7 1 (0.83%) Fintech
7 1 (0.83%) Management Information System
7 1 (0.83%) N-Tier
7 1 (0.83%) User Experience
Operating Systems
1 47 (38.84%) Windows
2 18 (14.88%) Windows Server
3 13 (10.74%) Red Hat Enterprise Linux
3 13 (10.74%) Unix
4 5 (4.13%) Windows 10
5 2 (1.65%) CentOS
5 2 (1.65%) Debian
5 2 (1.65%) SUSE
5 2 (1.65%) SUSE Linux Enterprise Server
5 2 (1.65%) Ubuntu
5 2 (1.65%) Windows 7
5 2 (1.65%) Windows Server 2008
5 2 (1.65%) Windows Server 2012
6 1 (0.83%) Embedded Linux
6 1 (0.83%) Solaris
6 1 (0.83%) VxWorks
Processes & Methodologies
1 21 (17.36%) Agile Software Development
2 19 (15.70%) Analytics
3 17 (14.05%) Open Source
3 17 (14.05%) Performance Tuning
4 15 (12.40%) Web Development
5 13 (10.74%) Collaborative Working
5 13 (10.74%) Data Science
5 13 (10.74%) Deep Learning
5 13 (10.74%) E-Commerce
5 13 (10.74%) Machine Learning
6 12 (9.92%) Mentoring
7 11 (9.09%) Computational Linguistics
7 11 (9.09%) OOP
7 11 (9.09%) Problem-Solving
8 10 (8.26%) Computer Vision
8 10 (8.26%) Disaster Recovery
8 10 (8.26%) OO
8 10 (8.26%) Sentiment Analysis
9 9 (7.44%) Data Analytics
9 9 (7.44%) High Availability
Programming Languages
1 46 (38.02%) Java
2 44 (36.36%) SQL
3 30 (24.79%) PL/SQL
4 29 (23.97%) Python
5 26 (21.49%) JavaScript
6 22 (18.18%) C
7 19 (15.70%) C#
8 17 (14.05%) C++
9 13 (10.74%) MATLAB
9 13 (10.74%) PHP
9 13 (10.74%) R
10 7 (5.79%) Shell Script
10 7 (5.79%) T-SQL
11 5 (4.13%) Perl
12 4 (3.31%) Bash Shell
13 2 (1.65%) Embedded C
13 2 (1.65%) Java 8
14 1 (0.83%) ES6
14 1 (0.83%) Groovy
14 1 (0.83%) Ruby
Qualifications
1 17 (14.05%) Degree
2 12 (9.92%) Security Cleared
3 11 (9.09%) PhD
4 8 (6.61%) DV Cleared
5 5 (4.13%) OCP
5 5 (4.13%) Oracle Certification
6 4 (3.31%) SC Cleared
7 2 (1.65%) Computer Science Degree
Quality Assurance & Compliance
1 5 (4.13%) QA
2 3 (2.48%) Data Quality
3 2 (1.65%) HL7
3 2 (1.65%) SLA
4 1 (0.83%) MiFID
System Software
1 16 (13.22%) Active Directory
2 15 (12.40%) vSphere
3 13 (10.74%) Hyper-V
4 10 (8.26%) VMware ESXi
4 10 (8.26%) VMware Infrastructure
5 9 (7.44%) Oracle RAC
6 6 (4.96%) HDFS
6 6 (4.96%) Virtual Machines
7 4 (3.31%) Docker
8 2 (1.65%) Firmware
9 1 (0.83%) VMware Server
9 1 (0.83%) XenApp
9 1 (0.83%) XenDesktop
Systems Management
1 9 (7.44%) Oracle Enterprise Manager
2 8 (6.61%) Opscode Chef
3 7 (5.79%) Data Guard
3 7 (5.79%) Oracle RMAN
4 5 (4.13%) Nagios
5 3 (2.48%) Ansible
5 3 (2.48%) Puppet
6 2 (1.65%) Enterprise Manager Cloud Control
6 2 (1.65%) Oracle Flashback
7 1 (0.83%) Graphite
7 1 (0.83%) Graylog
7 1 (0.83%) Single Sign-On
Vendors
1 41 (33.88%) Oracle
2 22 (18.18%) VMware
3 15 (12.40%) NetApp
4 10 (8.26%) Draytek
4 10 (8.26%) SonicWALL
5 8 (6.61%) Red Hat
6 7 (5.79%) Microsoft
7 6 (4.96%) Tableau
8 5 (4.13%) Alteryx
9 3 (2.48%) Veeam
10 2 (1.65%) Apple
10 2 (1.65%) Dell
10 2 (1.65%) HP
10 2 (1.65%) Open-E
10 2 (1.65%) Progress
10 2 (1.65%) RedGate
11 1 (0.83%) Hortonworks
11 1 (0.83%) New Relic
11 1 (0.83%) Okta
11 1 (0.83%) ServiceNow