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

Linux
6 months to
23 Jan 2018
Same period 2017 Same period 2016
Rank 35 22 31
Rank change year-on-year -13 +9 -7
Permanent jobs citing Linux 89 168 169
As % of all permanent IT jobs advertised in Essex 6.34% 8.79% 6.56%
As % of the Operating Systems category 32.13% 39.16% 30.67%
Number of salaries quoted 73 126 135
Essex median annual salary £46,000 £47,500 £45,000
Median salary % change year-on-year -3.16% +5.56% -
10th Percentile £31,500 £30,500 £26,750
90th Percentile £68,750 £67,500 £55,500
East of England median annual salary £50,000 £45,000 £45,000
% change year-on-year +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 Essex with a requirement for operating system skills.

All Operating Systems
Essex
Permanent vacancies with a requirement for operating system skills 277 429 551
As % of all permanent IT jobs advertised in Essex 19.73% 22.45% 21.38%
Number of salaries quoted 249 328 418
Essex median annual salary £45,000 £45,000 £35,500
Median salary % change year-on-year - +26.76% -11.80%
10th Percentile £20,000 £26,191 £22,500
90th Percentile £68,750 £68,750 £57,500
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 January 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 January 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 -18 31 £51,250 +7.89% 6
Chelmsford +14 15 £50,000 +11.11% 3
Brentwood +19 12 £52,500 - 1
Saffron Walden +1 5 £45,000 - 7
Witham - 2 £22,500 -
Harlow - 2 £46,000 -
Southend-on-Sea -11 1 £31,217 -35.64% 3
Rochford - 1 - -
Linux
East of England

For the 6 months to 23 January 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 42 (47.19%) SQL
2 34 (38.20%) Oracle
3 32 (35.96%) Java
4 28 (31.46%) PL/SQL
5 26 (29.21%) Oracle Database
6 25 (28.09%) SQL Server
7 24 (26.97%) JavaScript
8 21 (23.60%) HTML
8 21 (23.60%) Windows
9 19 (21.35%) Spring
9 19 (21.35%) JPA
10 18 (20.22%) Web Development
10 18 (20.22%) PHP
10 18 (20.22%) Hibernate
11 17 (19.10%) CSS
11 17 (19.10%) RDBMS
11 17 (19.10%) Agile Software Development
11 17 (19.10%) Relational Database
12 16 (17.98%) Performance Tuning
12 16 (17.98%) Mentoring
13 15 (16.85%) Python
13 15 (16.85%) Unix
13 15 (16.85%) Java EE
14 14 (15.73%) Struts
14 14 (15.73%) J2EE
14 14 (15.73%) Advertising
15 13 (14.61%) ITIL
15 13 (14.61%) SQL Server 2014
16 12 (13.48%) Opscode Chef
16 12 (13.48%) DevOps

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 11 (12.36%) JBoss
2 8 (8.99%) Apache
2 8 (8.99%) Apache Spark
3 6 (6.74%) IIS
4 5 (5.62%) Apache Geronimo
4 5 (5.62%) Apache Pig
4 5 (5.62%) GlassFish
4 5 (5.62%) Tomcat
4 5 (5.62%) WebSphere
5 4 (4.49%) WordPress
6 1 (1.12%) CMS
6 1 (1.12%) Joomla!
Applications
1 6 (6.74%) Weka
2 2 (2.25%) Microsoft Excel
2 2 (2.25%) MS Visio
Cloud Services
1 11 (12.36%) Amazon AWS
2 6 (6.74%) Cloud Computing
2 6 (6.74%) Office 365
3 5 (5.62%) Microsoft Azure
4 2 (2.25%) AWS CloudFormation
5 1 (1.12%) Asana
5 1 (1.12%) Azure Active Directory
5 1 (1.12%) Slack
Communications & Networking
1 5 (5.62%) NAS
2 4 (4.49%) Firewall
2 4 (4.49%) HTTP
3 3 (3.37%) DVB
4 2 (2.25%) Broadband
4 2 (2.25%) Internet
4 2 (2.25%) SAN
4 2 (2.25%) SMS
4 2 (2.25%) Wireless
5 1 (1.12%) Cisco ASA
5 1 (1.12%) Cisco IOS
5 1 (1.12%) Cisco Nexus
5 1 (1.12%) DNS
5 1 (1.12%) Network Security
5 1 (1.12%) Reverse Proxy
5 1 (1.12%) SSL
5 1 (1.12%) TCP/IP
5 1 (1.12%) VLAN
5 1 (1.12%) VPN
Database & Business Intelligence
1 26 (29.21%) Oracle Database
2 25 (28.09%) SQL Server
3 17 (19.10%) RDBMS
3 17 (19.10%) Relational Database
4 13 (14.61%) SQL Server 2014
5 12 (13.48%) MongoDB
5 12 (13.48%) Oracle Database 11g
6 11 (12.36%) MySQL
6 11 (12.36%) Oracle Database 12c
6 11 (12.36%) SQL Server 2012
7 10 (11.24%) Hadoop
8 9 (10.11%) CouchDB
9 8 (8.99%) Apache Hive
9 8 (8.99%) Big Data
9 8 (8.99%) NoSQL
10 6 (6.74%) Mahout
10 6 (6.74%) Neo4j
11 5 (5.62%) PostgreSQL
11 5 (5.62%) Sqoop
12 4 (4.49%) SQL Server 2008
Development Applications
1 4 (4.49%) Jenkins
1 4 (4.49%) JIRA
2 3 (3.37%) Ant
2 3 (3.37%) jMock
2 3 (3.37%) JUnit
2 3 (3.37%) Mockito
3 2 (2.25%) Bugzilla
3 2 (2.25%) Git (software)
3 2 (2.25%) Gradle
3 2 (2.25%) Maven
3 2 (2.25%) Redmine
3 2 (2.25%) Subversion
3 2 (2.25%) Trac
4 1 (1.12%) Bitbucket
4 1 (1.12%) Grunt
4 1 (1.12%) Octopus Deploy
4 1 (1.12%) TestRail
4 1 (1.12%) Visual Studio
General
1 14 (15.73%) Advertising
2 7 (7.87%) Finance
3 6 (6.74%) Automotive
4 3 (3.37%) Telecoms
5 2 (2.25%) Games
6 1 (1.12%) Aerospace
6 1 (1.12%) Electronics
6 1 (1.12%) Marketing
Job Titles
1 41 (46.07%) Developer
2 21 (23.60%) Java Developer
3 16 (17.98%) Administrator
3 16 (17.98%) DBA
3 16 (17.98%) Oracle DBA
4 9 (10.11%) Linux Engineer
5 7 (7.87%) PL/SQL Developer
6 6 (6.74%) Database Developer
6 6 (6.74%) Oracle Developer
6 6 (6.74%) Software Engineer
6 6 (6.74%) SQL Developer
7 5 (5.62%) Lead Developer
7 5 (5.62%) Oracle Database Developer
7 5 (5.62%) Senior Developer
7 5 (5.62%) SQL Database Developer
8 4 (4.49%) C++ Developer
8 4 (4.49%) ETL Developer
8 4 (4.49%) Senior Java Developer
8 4 (4.49%) Software Developer
8 4 (4.49%) SQL DBA
Libraries, Frameworks & Software Standards
1 21 (23.60%) HTML
2 19 (21.35%) JPA
2 19 (21.35%) Spring
3 18 (20.22%) Hibernate
4 17 (19.10%) CSS
5 15 (16.85%) Java EE
6 14 (15.73%) J2EE
6 14 (15.73%) Struts
7 10 (11.24%) Java SE
8 9 (10.11%) SOAP
9 8 (8.99%) REST
9 8 (8.99%) Spring MVC
10 7 (7.87%) JSP
10 7 (7.87%) Web Services
11 5 (5.62%) Ajax
11 5 (5.62%) EJB
11 5 (5.62%) FreeMarker
11 5 (5.62%) JMS
11 5 (5.62%) Servlets
11 5 (5.62%) Swing
Miscellaneous
1 7 (7.87%) Computer Science
2 4 (4.49%) Clustering
3 3 (3.37%) Analytical Skills
3 3 (3.37%) Digital TV
3 3 (3.37%) Linux Command Line
3 3 (3.37%) Management Information System
4 2 (2.25%) Cloud Native
4 2 (2.25%) CMDB
4 2 (2.25%) Private Cloud
4 2 (2.25%) STB
5 1 (1.12%) Client/Server
5 1 (1.12%) Cyberattack
5 1 (1.12%) Cybercrime
5 1 (1.12%) Device Driver
5 1 (1.12%) Digital Media
5 1 (1.12%) N-Tier
Operating Systems
1 21 (23.60%) Windows
2 15 (16.85%) Unix
3 9 (10.11%) Windows Server
4 8 (8.99%) Red Hat Enterprise Linux
5 3 (3.37%) CentOS
5 3 (3.37%) Windows Server 2012
6 2 (2.25%) SUSE
6 2 (2.25%) Windows 10
7 1 (1.12%) Debian
7 1 (1.12%) SUSE Linux Enterprise Server
7 1 (1.12%) Ubuntu
7 1 (1.12%) VxWorks
7 1 (1.12%) VyOS
7 1 (1.12%) Windows 7
7 1 (1.12%) Windows XP
Processes & Methodologies
1 18 (20.22%) Web Development
2 17 (19.10%) Agile Software Development
3 16 (17.98%) Mentoring
3 16 (17.98%) Performance Tuning
4 13 (14.61%) ITIL
5 12 (13.48%) DevOps
5 12 (13.48%) Disaster Recovery
5 12 (13.48%) High Availability
6 11 (12.36%) MVC
7 8 (8.99%) Software Engineering
8 7 (7.87%) Analytics
8 7 (7.87%) E-Commerce
8 7 (7.87%) OO
8 7 (7.87%) OOP
9 6 (6.74%) ETL
9 6 (6.74%) Scrum-ban
10 5 (5.62%) Open Source
10 5 (5.62%) Software Architecture
11 4 (4.49%) Test Automation
11 4 (4.49%) User Acceptance Testing
Programming Languages
1 42 (47.19%) SQL
2 32 (35.96%) Java
3 28 (31.46%) PL/SQL
4 24 (26.97%) JavaScript
5 18 (20.22%) PHP
6 15 (16.85%) Python
7 12 (13.48%) Shell Script
8 7 (7.87%) C
8 7 (7.87%) C#
9 6 (6.74%) Bash Shell
9 6 (6.74%) C++
9 6 (6.74%) Perl
9 6 (6.74%) T-SQL
10 2 (2.25%) Scala
11 1 (1.12%) Embedded C
11 1 (1.12%) MATLAB
11 1 (1.12%) R
Qualifications
1 11 (12.36%) Degree
1 11 (12.36%) OCP
1 11 (12.36%) Oracle Certification
2 4 (4.49%) Security Cleared
3 2 (2.25%) SC Cleared
4 1 (1.12%) CCNA
4 1 (1.12%) Cisco Certification
4 1 (1.12%) CISM
4 1 (1.12%) CISSP
4 1 (1.12%) DV Cleared
4 1 (1.12%) Microsoft Certification
4 1 (1.12%) PhD
4 1 (1.12%) SANS
4 1 (1.12%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 3 (3.37%) SLA
2 2 (2.25%) QA
System Software
1 10 (11.24%) Virtual Machines
2 8 (8.99%) Active Directory
2 8 (8.99%) VMware Infrastructure
3 6 (6.74%) HDFS
3 6 (6.74%) vSphere
4 4 (4.49%) Docker
4 4 (4.49%) Oracle RAC
5 2 (2.25%) Firmware
5 2 (2.25%) KVM
6 1 (1.12%) Hyper-V
6 1 (1.12%) iptables
6 1 (1.12%) VMware ESXi
6 1 (1.12%) VMware NSX
6 1 (1.12%) VMware Server
Systems Management
1 12 (13.48%) Opscode Chef
2 11 (12.36%) Data Guard
2 11 (12.36%) Oracle RMAN
3 7 (7.87%) Puppet
4 6 (6.74%) Ansible
5 5 (5.62%) Nagios
6 4 (4.49%) Oracle Enterprise Manager
7 2 (2.25%) Terraform
8 1 (1.12%) AirWatch
8 1 (1.12%) Cisco CME
8 1 (1.12%) Cisco CUCM
8 1 (1.12%) Graphite
8 1 (1.12%) Graylog
8 1 (1.12%) Salt
8 1 (1.12%) Systems Management Server (SMS)
8 1 (1.12%) vRealize
Vendors
1 34 (38.20%) Oracle
2 10 (11.24%) NetApp
2 10 (11.24%) VMware
3 7 (7.87%) Microsoft
4 6 (6.74%) Red Hat
4 6 (6.74%) Tableau
5 5 (5.62%) Alteryx
6 2 (2.25%) Cisco
6 2 (2.25%) MKS
6 2 (2.25%) ServiceNow
6 2 (2.25%) Splunk
7 1 (1.12%) Avaya
7 1 (1.12%) Fortinet
7 1 (1.12%) Hortonworks
7 1 (1.12%) IBM
7 1 (1.12%) McAfee
7 1 (1.12%) Progress
7 1 (1.12%) SolarWinds
7 1 (1.12%) Sophos
7 1 (1.12%) Sybase