Period
to 18 November 2017

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 18 November 2017 with a comparison to the same period in the previous 2 years.

Linux
6 months to
18 Nov 2017
Same period 2016 Same period 2015
Rank 31 28 30
Rank change year-on-year -3 +2 -8
Permanent jobs citing Linux 97 147 161
As % of all permanent IT jobs advertised in Essex 6.90% 6.86% 6.11%
As % of the Operating Systems category 33.45% 31.48% 28.65%
Number of salaries quoted 84 101 120
Essex median annual salary £42,500 £47,500 £45,000
Median salary % change year-on-year -10.53% +5.56% -
10th Percentile £31,500 £30,500 £26,250
90th Percentile £55,000 £68,750 £52,500
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 290 467 562
As % of all permanent IT jobs advertised in Essex 20.63% 21.78% 21.33%
Number of salaries quoted 254 361 408
Essex median annual salary £40,000 £47,500 £36,250
Median salary % change year-on-year -15.79% +31.03% -13.69%
10th Percentile £19,250 £27,000 £21,250
90th Percentile £58,750 £70,000 £52,500
East of England median annual salary £42,500 £42,500 £41,500
% change year-on-year - +2.41% +3.75%

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 18 November 2017.

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 18 November 2017. 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 -3 32 £50,000 +5.26% 1
Chelmsford +1 14 £40,000 +60.00%
Saffron Walden +4 13 £40,000 -5.88% 1
Brentwood +17 7 - - 3
Southend-on-Sea +11 2 £31,217 -49.53% 2
Witham - 2 £22,500 -
Harlow - 2 £46,000 -
Rochford - 1 - -
Linux
East of England

For the 6 months to 18 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 Essex region with a requirement for Linux.

1 53 (54.64%) SQL
2 42 (43.30%) Oracle
3 38 (39.18%) Unix
4 30 (30.93%) Oracle Database
5 29 (29.90%) PL/SQL
6 28 (28.87%) SQL Server
7 25 (25.77%) Java
8 22 (22.68%) Windows
9 21 (21.65%) ITIL
9 21 (21.65%) Performance Tuning
10 20 (20.62%) SQL Server 2014
10 20 (20.62%) Agile Software Development
11 19 (19.59%) Perl
11 19 (19.59%) Relational Database
11 19 (19.59%) High Availability
12 18 (18.56%) SQL Server 2012
12 18 (18.56%) RDBMS
12 18 (18.56%) Disaster Recovery
13 17 (17.53%) Shell Script
13 17 (17.53%) Python
13 17 (17.53%) Oracle Database 11g
14 16 (16.49%) Data Guard
14 16 (16.49%) Oracle RMAN
14 16 (16.49%) Oracle Database 12c
15 15 (15.46%) OCP
15 15 (15.46%) Oracle Certification
16 13 (13.40%) Web Development
16 13 (13.40%) Degree
16 13 (13.40%) VMware
16 13 (13.40%) PHP

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 10 (10.31%) IIS
2 7 (7.22%) JBoss
3 4 (4.12%) WordPress
4 3 (3.09%) Apache
5 1 (1.03%) Apache Spark
5 1 (1.03%) CMS
5 1 (1.03%) Joomla!
5 1 (1.03%) Zimbra
Applications
1 2 (2.06%) Microsoft Excel
1 2 (2.06%) MS Visio
Cloud Services
1 9 (9.28%) Office 365
2 8 (8.25%) Amazon AWS
3 5 (5.15%) Microsoft Azure
4 2 (2.06%) Cloud Computing
5 1 (1.03%) Asana
5 1 (1.03%) AWS CloudFormation
5 1 (1.03%) Azure Active Directory
5 1 (1.03%) GitHub
Communications & Networking
1 8 (8.25%) NAS
2 6 (6.19%) Firewall
2 6 (6.19%) SAN
3 3 (3.09%) TCP/IP
4 2 (2.06%) HTTP
4 2 (2.06%) Internet
4 2 (2.06%) SMS
4 2 (2.06%) SSL
5 1 (1.03%) Broadband
5 1 (1.03%) Cisco IOS
5 1 (1.03%) DNS
5 1 (1.03%) DVB
5 1 (1.03%) IPsec
5 1 (1.03%) PBX
5 1 (1.03%) Reverse Proxy
5 1 (1.03%) Softphone
5 1 (1.03%) VLAN
5 1 (1.03%) VPN
5 1 (1.03%) Wi-Fi
5 1 (1.03%) Wireless
Database & Business Intelligence
1 30 (30.93%) Oracle Database
2 28 (28.87%) SQL Server
3 20 (20.62%) SQL Server 2014
4 19 (19.59%) Relational Database
5 18 (18.56%) RDBMS
5 18 (18.56%) SQL Server 2012
6 17 (17.53%) Oracle Database 11g
7 16 (16.49%) Oracle Database 12c
8 11 (11.34%) Data Warehouse
9 8 (8.25%) MySQL
10 7 (7.22%) MongoDB
10 7 (7.22%) SQL Server 2008
10 7 (7.22%) SQL Server Reporting Services
11 6 (6.19%) SQL Server Analysis Services
12 5 (5.15%) Hadoop
13 4 (4.12%) NoSQL
13 4 (4.12%) SQL Server 2005
13 4 (4.12%) SQL Server Integration Services
14 3 (3.09%) SQL Server 2000
15 2 (2.06%) Oracle Database 10g
Development Applications
1 4 (4.12%) Jenkins
1 4 (4.12%) Octopus Deploy
2 3 (3.09%) jMock
2 3 (3.09%) JUnit
2 3 (3.09%) Mockito
2 3 (3.09%) Team Foundation Server
2 3 (3.09%) TeamCity
2 3 (3.09%) Visual Studio
3 2 (2.06%) JIRA
3 2 (2.06%) Subversion
4 1 (1.03%) Bugzilla
4 1 (1.03%) Git (software)
4 1 (1.03%) Redmine
4 1 (1.03%) Trac
General
1 9 (9.28%) Advertising
2 6 (6.19%) Finance
3 3 (3.09%) Electronics
4 2 (2.06%) Telecoms
5 1 (1.03%) Automotive
5 1 (1.03%) Games
5 1 (1.03%) Marketing
Job Titles
1 36 (37.11%) Developer
2 21 (21.65%) Administrator
3 20 (20.62%) DBA
4 16 (16.49%) Oracle DBA
5 14 (14.43%) Database Developer
6 13 (13.40%) Oracle Database Developer
6 13 (13.40%) Oracle Developer
7 12 (12.37%) ETL Developer
7 12 (12.37%) Oracle ETL Developer
7 12 (12.37%) PL/SQL Developer
7 12 (12.37%) SQL Database Developer
7 12 (12.37%) SQL Developer
8 11 (11.34%) Data Warehouse Developer
8 11 (11.34%) Oracle Data Warehouse Developer
9 9 (9.28%) Java Developer
10 7 (7.22%) Linux Engineer
11 6 (6.19%) Applications Developer
11 6 (6.19%) Infrastructure Engineer
11 6 (6.19%) Python Developer
12 5 (5.15%) Software Engineer
Libraries, Frameworks & Software Standards
1 10 (10.31%) HTML
2 9 (9.28%) Hibernate
2 9 (9.28%) J2EE
2 9 (9.28%) JPA
2 9 (9.28%) Spring
2 9 (9.28%) Struts
3 7 (7.22%) .NET
3 7 (7.22%) CSS
4 6 (6.19%) Java EE
4 6 (6.19%) Java SE
5 5 (5.15%) Node.js
5 5 (5.15%) Web Services
6 4 (4.12%) Middleware
7 3 (3.09%) .NET Framework
7 3 (3.09%) ASP.NET
7 3 (3.09%) CakePHP
7 3 (3.09%) Spring MVC
8 2 (2.06%) JSON
8 2 (2.06%) LAMP
8 2 (2.06%) SOAP
Miscellaneous
1 7 (7.22%) Computer Science
2 3 (3.09%) Data Protection Act
2 3 (3.09%) Device Driver
2 3 (3.09%) Management Information System
3 2 (2.06%) Analytical Skills
3 2 (2.06%) CMDB
3 2 (2.06%) Linux Command Line
3 2 (2.06%) Private Cloud
4 1 (1.03%) Cloud Native
4 1 (1.03%) Digital Media
4 1 (1.03%) Digital TV
4 1 (1.03%) N-Tier
4 1 (1.03%) STB
Operating Systems
1 38 (39.18%) Unix
2 22 (22.68%) Windows
3 13 (13.40%) Windows Server
4 12 (12.37%) Red Hat Enterprise Linux
5 5 (5.15%) Windows Server 2012
6 3 (3.09%) VxWorks
6 3 (3.09%) Windows 10
7 2 (2.06%) Ubuntu
7 2 (2.06%) Windows 7
7 2 (2.06%) Windows Server 2008
8 1 (1.03%) CentOS
8 1 (1.03%) Debian
8 1 (1.03%) SUSE Linux Enterprise Server
8 1 (1.03%) VyOS
8 1 (1.03%) Windows XP
Processes & Methodologies
1 21 (21.65%) ITIL
1 21 (21.65%) Performance Tuning
2 20 (20.62%) Agile Software Development
3 19 (19.59%) High Availability
4 18 (18.56%) Disaster Recovery
5 13 (13.40%) DevOps
5 13 (13.40%) ETL
5 13 (13.40%) Mentoring
5 13 (13.40%) Web Development
6 6 (6.19%) MVC
6 6 (6.19%) Software Engineering
7 5 (5.15%) Bioinformatics
7 5 (5.15%) Biology
7 5 (5.15%) Data Analysis
7 5 (5.15%) Mathematics
7 5 (5.15%) Statistical Analysis
7 5 (5.15%) TDD
7 5 (5.15%) Test Automation
7 5 (5.15%) Visualisation
7 5 (5.15%) Waterfall
Programming Languages
1 53 (54.64%) SQL
2 29 (29.90%) PL/SQL
3 25 (25.77%) Java
4 19 (19.59%) Perl
5 17 (17.53%) Python
5 17 (17.53%) Shell Script
6 13 (13.40%) JavaScript
6 13 (13.40%) PHP
7 11 (11.34%) C#
8 8 (8.25%) C
9 6 (6.19%) C++
10 5 (5.15%) R
11 4 (4.12%) Bash Shell
12 3 (3.09%) Embedded C
12 3 (3.09%) PowerShell
13 2 (2.06%) Scala
14 1 (1.03%) COBOL
14 1 (1.03%) T-SQL
Qualifications
1 15 (15.46%) OCP
1 15 (15.46%) Oracle Certification
2 13 (13.40%) Degree
3 5 (5.15%) PhD
4 4 (4.12%) Microsoft Certification
5 3 (3.09%) MCITP
5 3 (3.09%) MCTS
5 3 (3.09%) Security Cleared
6 2 (2.06%) CCNA
6 2 (2.06%) Cisco Certification
6 2 (2.06%) SC Cleared
7 1 (1.03%) CCIE
7 1 (1.03%) CCIE Service Provider
7 1 (1.03%) CCNP
7 1 (1.03%) CCSP
7 1 (1.03%) CISM
7 1 (1.03%) CISSP
7 1 (1.03%) SANS
7 1 (1.03%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 3 (3.09%) GDPR
1 3 (3.09%) PCI DSS
1 3 (3.09%) SLA
2 1 (1.03%) QA
System Software
1 11 (11.34%) VMware Infrastructure
2 9 (9.28%) Active Directory
3 8 (8.25%) Hyper-V
3 8 (8.25%) Virtual Machines
3 8 (8.25%) vSphere
4 2 (2.06%) KVM
5 1 (1.03%) Firmware
5 1 (1.03%) iptables
5 1 (1.03%) VMware ESXi
5 1 (1.03%) VMware NSX
Systems Management
1 16 (16.49%) Data Guard
1 16 (16.49%) Oracle RMAN
2 10 (10.31%) Opscode Chef
3 6 (6.19%) Ansible
3 6 (6.19%) Puppet
4 4 (4.12%) Nagios
5 2 (2.06%) Terraform
6 1 (1.03%) AirWatch
6 1 (1.03%) Cisco CME
6 1 (1.03%) Cisco CUCM
6 1 (1.03%) Enterprise Manager Cloud Control
6 1 (1.03%) Oracle Flashback
6 1 (1.03%) Salt
6 1 (1.03%) Systems Management Server (SMS)
6 1 (1.03%) vRealize
Vendors
1 42 (43.30%) Oracle
2 13 (13.40%) Microsoft
2 13 (13.40%) VMware
3 8 (8.25%) Red Hat
4 7 (7.22%) NetApp
5 3 (3.09%) Cisco
6 2 (2.06%) MKS
6 2 (2.06%) ServiceNow
6 2 (2.06%) Splunk
6 2 (2.06%) Sybase
7 1 (1.03%) Avaya
7 1 (1.03%) Dell
7 1 (1.03%) F5
7 1 (1.03%) Fortinet
7 1 (1.03%) Hortonworks
7 1 (1.03%) HP
7 1 (1.03%) IBM
7 1 (1.03%) Open-E
7 1 (1.03%) SolarWinds
7 1 (1.03%) Veeam