Period
to 23 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Colchester 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 November 2017 with a comparison to the same period in the previous 2 years.

Linux
Essex > Colchester
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 11 9 23
Rank change year-on-year -2 +14 -1
Permanent jobs citing Linux 32 68 44
As % of all permanent IT jobs advertised in Colchester 13.45% 19.21% 12.12%
As % of the Operating Systems category 60.38% 53.13% 44.90%
Number of salaries quoted 30 59 47
Colchester median annual salary £50,000 £47,500 £35,000
Median salary % change year-on-year +5.26% +35.71% -17.65%
10th Percentile £38,125 £35,625 £27,500
90th Percentile £53,750 £67,500 £57,500
Essex median annual salary £42,500 £47,500 £45,000
% change year-on-year -10.53% +5.56% -

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 Colchester with a requirement for operating system skills.

All Operating Systems
Colchester
Permanent vacancies with a requirement for operating system skills 53 128 98
As % of all permanent IT jobs advertised in Colchester 22.27% 36.16% 27.00%
Number of salaries quoted 47 114 92
Colchester median annual salary £46,500 £47,500 £35,000
Median salary % change year-on-year -2.11% +35.71% -17.65%
10th Percentile £21,400 £34,125 £26,025
90th Percentile £55,250 £70,700 £70,000
Essex median annual salary £40,000 £47,500 £36,500
% change year-on-year -15.79% +30.14% -10.98%

Linux
Job Vacancy Trend in Colchester

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

Job vacancy trend for Linux in Colchester

Linux
Salary Trend in Colchester

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

Salary trend for Linux in Colchester

Linux
Salary Histogram in Colchester

The salary distribution of IT jobs citing Linux in Colchester over the 6 months to 23 November 2017.

Salary histogram for Linux in Colchester

For the 6 months to 23 November 2017, IT jobs citing Linux also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Colchester region with a requirement for Linux.

1 15 (46.88%) PL/SQL
1 15 (46.88%) SQL
1 15 (46.88%) Oracle
2 14 (43.75%) RDBMS
2 14 (43.75%) Relational Database
2 14 (43.75%) Oracle Database
3 13 (40.63%) Agile Software Development
4 12 (37.50%) ETL
5 10 (31.25%) Data Warehouse
6 8 (25.00%) Microsoft
7 7 (21.88%) NetApp
7 7 (21.88%) Windows
7 7 (21.88%) VMware
7 7 (21.88%) Office 365
7 7 (21.88%) VMware Infrastructure
7 7 (21.88%) Hyper-V
8 6 (18.75%) NAS
8 6 (18.75%) Red Hat Enterprise Linux
8 6 (18.75%) vSphere
8 6 (18.75%) JBoss
8 6 (18.75%) Java
8 6 (18.75%) Perl
8 6 (18.75%) Red Hat
9 5 (15.63%) SQL Server
9 5 (15.63%) Amazon AWS
10 4 (12.50%) MongoDB
10 4 (12.50%) Windows Server 2012
10 4 (12.50%) ITIL
10 4 (12.50%) Opscode Chef
11 3 (9.38%) Windows Server

Linux
Co-occurring IT Skills in Colchester 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 6 (18.75%) JBoss
2 3 (9.38%) IIS
2 3 (9.38%) WordPress
3 2 (6.25%) Apache
4 1 (3.13%) Apache Spark
4 1 (3.13%) CMS
4 1 (3.13%) Joomla!
4 1 (3.13%) Zimbra
Cloud Services
1 7 (21.88%) Office 365
2 5 (15.63%) Amazon AWS
3 3 (9.38%) Microsoft Azure
4 1 (3.13%) AWS CloudFormation
Communications & Networking
1 6 (18.75%) NAS
2 3 (9.38%) SAN
3 2 (6.25%) Internet
4 1 (3.13%) Firewall
4 1 (3.13%) IPsec
4 1 (3.13%) iSCSI
4 1 (3.13%) OpenVPN
4 1 (3.13%) PBX
4 1 (3.13%) SMS
4 1 (3.13%) Softphone
4 1 (3.13%) VPN
4 1 (3.13%) Wi-Fi
Database & Business Intelligence
1 14 (43.75%) Oracle Database
1 14 (43.75%) RDBMS
1 14 (43.75%) Relational Database
2 10 (31.25%) Data Warehouse
3 5 (15.63%) SQL Server
4 4 (12.50%) MongoDB
5 3 (9.38%) SQL Server 2008
5 3 (9.38%) SQL Server Analysis Services
5 3 (9.38%) SQL Server Reporting Services
6 2 (6.25%) MySQL
6 2 (6.25%) Redis
6 2 (6.25%) SQL Server 2014
7 1 (3.13%) Amazon Aurora
7 1 (3.13%) Amazon RDS
7 1 (3.13%) Apache Hive
7 1 (3.13%) Big Data
7 1 (3.13%) CouchDB
7 1 (3.13%) Hadoop
7 1 (3.13%) Informix
7 1 (3.13%) NoSQL
Development Applications
1 1 (3.13%) Jenkins
General
1 3 (9.38%) Electronics
2 2 (6.25%) Finance
3 1 (3.13%) Automotive
3 1 (3.13%) Games
3 1 (3.13%) Marketing
3 1 (3.13%) Telecoms
Job Titles
1 16 (50.00%) Developer
2 13 (40.63%) Database Developer
3 12 (37.50%) Oracle Database Developer
3 12 (37.50%) Oracle Developer
4 11 (34.38%) ETL Developer
4 11 (34.38%) Oracle ETL Developer
4 11 (34.38%) PL/SQL Developer
4 11 (34.38%) SQL Database Developer
4 11 (34.38%) SQL Developer
5 10 (31.25%) Data Warehouse Developer
5 10 (31.25%) Oracle Data Warehouse Developer
6 6 (18.75%) Infrastructure Engineer
6 6 (18.75%) Linux Engineer
7 3 (9.38%) Applications Engineer
7 3 (9.38%) Embedded Software Engineer
7 3 (9.38%) Linux Server Engineer
7 3 (9.38%) SAN Engineer
7 3 (9.38%) Server Engineer
7 3 (9.38%) Software Engineer
7 3 (9.38%) Storage Engineer
Libraries, Frameworks & Software Standards
1 3 (9.38%) CakePHP
1 3 (9.38%) Node.js
1 3 (9.38%) Web Services
2 1 (3.13%) Angular 2
2 1 (3.13%) AngularJS
2 1 (3.13%) LAMP
2 1 (3.13%) Symfony
Miscellaneous
1 3 (9.38%) Device Driver
2 1 (3.13%) Cloud Native
2 1 (3.13%) Clustering
2 1 (3.13%) Computer Science
2 1 (3.13%) Digital Media
2 1 (3.13%) Linux Command Line
2 1 (3.13%) N-Tier
Operating Systems
1 7 (21.88%) Windows
2 6 (18.75%) Red Hat Enterprise Linux
3 4 (12.50%) Windows Server 2012
4 3 (9.38%) VxWorks
4 3 (9.38%) Windows Server
5 1 (3.13%) Ubuntu
5 1 (3.13%) Unix
5 1 (3.13%) Windows 10
5 1 (3.13%) Windows 7
5 1 (3.13%) Windows Server 2008
Processes & Methodologies
1 13 (40.63%) Agile Software Development
2 12 (37.50%) ETL
3 4 (12.50%) ITIL
4 3 (9.38%) Device Driver Development
4 3 (9.38%) Server Virtualisation
4 3 (9.38%) Software Engineering
4 3 (9.38%) Web Development
5 2 (6.25%) MVC
5 2 (6.25%) Performance Tuning
5 2 (6.25%) Service Management
6 1 (3.13%) CRM
6 1 (3.13%) Data Modelling
6 1 (3.13%) Data Security
6 1 (3.13%) E-Commerce
6 1 (3.13%) PDM
6 1 (3.13%) Security Management
6 1 (3.13%) Software Deployment
6 1 (3.13%) System Testing
6 1 (3.13%) User Acceptance Testing
6 1 (3.13%) Web Application Development
Programming Languages
1 15 (46.88%) PL/SQL
1 15 (46.88%) SQL
2 6 (18.75%) Java
2 6 (18.75%) Perl
3 3 (9.38%) Embedded C
3 3 (9.38%) PHP
4 1 (3.13%) Bash Shell
4 1 (3.13%) Python
4 1 (3.13%) T-SQL
Quality Assurance & Compliance
1 3 (9.38%) SLA
2 1 (3.13%) QA
System Software
1 7 (21.88%) Hyper-V
1 7 (21.88%) VMware Infrastructure
2 6 (18.75%) vSphere
3 3 (9.38%) Active Directory
3 3 (9.38%) Virtual Machines
4 1 (3.13%) Oracle RAC
Systems Management
1 4 (12.50%) Opscode Chef
2 3 (9.38%) Nagios
3 1 (3.13%) Ansible
3 1 (3.13%) Oracle Enterprise Manager
3 1 (3.13%) Puppet
3 1 (3.13%) Systems Management Server (SMS)
Vendors
1 15 (46.88%) Oracle
2 8 (25.00%) Microsoft
3 7 (21.88%) NetApp
3 7 (21.88%) VMware
4 6 (18.75%) Red Hat
5 1 (3.13%) Apple
5 1 (3.13%) Dell
5 1 (3.13%) HP
5 1 (3.13%) IBM
5 1 (3.13%) Open-E
5 1 (3.13%) Veeam