Period
to 24 November 2017

The following table provides summary statistics for contract job vacancies advertised in Essex with a requirement for Linux skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Linux over the 6 months to 24 November 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Linux
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 22 25 12
Rank change year-on-year +3 -13 -3
Contract jobs citing Linux 102 58 112
As % of all contract IT jobs advertised in Essex 12.90% 6.60% 9.17%
As % of the Operating Systems category 50.75% 20.49% 35.90%
Number of daily rates quoted 64 28 50
Essex median daily rate £475 £470 £434
Median daily rate % change year-on-year +1.06% +8.36% +2.06%
10th Percentile £310 £344 £262
90th Percentile £600 £590 £577
East of England median daily rate £425 £375 £400
% change year-on-year +13.33% -6.25% -
Number of hourly rates quoted 12 14 24
Essex median hourly rate £40.00 £35.00 £37.50
Median hourly rate % change year-on-year +14.29% -6.67% +19.95%
10th Percentile £26.00 £20.25 £29.14
90th Percentile £44.88 £42.63 £46.60
East of England median hourly rate £42.00 £35.00 £37.50
% change year-on-year +20.00% -6.67% -1.32%

Linux is in the Operating Systems category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Essex with a requirement for operating system skills.

All Operating Systems
Essex
Contract vacancies with a requirement for operating system skills 201 283 312
As % of all contract IT jobs advertised in Essex 25.41% 32.20% 25.55%
Number of daily rates quoted 116 150 129
Essex median daily rate £425 £325 £400
Median daily rate % change year-on-year +30.77% -18.75% -5.88%
10th Percentile £146 £204 £176
90th Percentile £600 £480 £575
East of England median daily rate £350 £350 £350
Number of hourly rates quoted 38 80 80
Essex median hourly rate £33.25 £16.50 £19.00
Median hourly rate % change year-on-year +101.50% -13.16% +15.15%
10th Percentile £13.00 £15.75 £15.00
90th Percentile £63.75 £36.78 £40.30
East of England median hourly rate £21.28 £16.50 £17.00
% change year-on-year +28.94% -2.94% +3.03%

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
Contractor Daily Rate Trend in Essex

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Linux in Essex.

Contractor daily rate trend for Linux in Essex

Linux
Contractor Daily Rate Histogram in Essex

The daily rate distribution of IT jobs citing Linux in Essex over the 6 months to 24 November 2017.

Contractor daily rate histogram for Linux in Essex

Linux
Contractor Hourly Rate Trend in Essex

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Linux in Essex.

Contractor hourly rate trend for Linux in Essex

Linux
Contractor Hourly Rate Histogram in Essex

The hourly rate distribution of IT jobs citing Linux in Essex over the 6 months to 24 November 2017.

Contractor hourly rate histogram for Linux in Essex

Linux
Contract Job Locations in Essex

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Linux within the Essex region over the 6 months to 24 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Southend-on-Sea -1 51 £520 +4.00% 1
Brentwood +2 29 £325 -13.33% 1
Basildon +8 3 £450 +69.81%
Colchester - 3 £538 - 2
Linux
East of England

For the 6 months to 24 November 2017, IT contractor jobs citing Linux also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Essex region with a requirement for Linux.

1 61 (59.80%) Agile Software Development
2 53 (51.96%) Continuous Integration
3 51 (50.00%) Test Automation
3 51 (50.00%) Middleware
4 46 (45.10%) TDD
5 45 (44.12%) Red Hat Enterprise Linux
5 45 (44.12%) Relational Database
6 43 (42.16%) HTTP
7 42 (41.18%) Jenkins
8 41 (40.20%) Unix
9 38 (37.25%) Java
9 38 (37.25%) Mentoring
10 37 (36.27%) Oracle
11 35 (34.31%) DevOps
12 33 (32.35%) Configuration Management
13 31 (30.39%) TCP/IP
13 31 (30.39%) SSL
13 31 (30.39%) JBoss
14 30 (29.41%) SQL
14 30 (29.41%) Scrum
15 29 (28.43%) WebLogic
16 28 (27.45%) Git (software)
16 28 (27.45%) Kanban
17 26 (25.49%) Windows
17 26 (25.49%) J2EE
18 25 (24.51%) Web Services
18 25 (24.51%) Open Source
18 25 (24.51%) JIRA
18 25 (24.51%) Coaching
19 24 (23.53%) Ansible

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 31 (30.39%) JBoss
2 29 (28.43%) WebLogic
3 20 (19.61%) Apache
4 12 (11.76%) Oracle SOA Suite
4 12 (11.76%) WebSphere
5 9 (8.82%) SharePoint
6 8 (7.84%) IIS
6 8 (7.84%) WebLogic Portal
7 5 (4.90%) Mule
8 3 (2.94%) Apache Spark
9 1 (0.98%) Jetty
9 1 (0.98%) Mongrel
9 1 (0.98%) nginx
9 1 (0.98%) Tomcat
9 1 (0.98%) WebSphere Application Server
Applications
1 1 (0.98%) Microsoft Office
1 1 (0.98%) MS Visio
Cloud Services
1 16 (15.69%) Amazon AWS
2 11 (10.78%) Microsoft Azure
3 5 (4.90%) GitHub
3 5 (4.90%) IaaS
3 5 (4.90%) PaaS
3 5 (4.90%) SaaS
4 4 (3.92%) OneDrive
5 1 (0.98%) Amazon EC2
5 1 (0.98%) Google App Engine
5 1 (0.98%) Google Cloud Platform
Communications & Networking
1 43 (42.16%) HTTP
2 31 (30.39%) SSL
2 31 (30.39%) TCP/IP
3 7 (6.86%) LDAP
3 7 (6.86%) NAS
4 6 (5.88%) Broadband
4 6 (5.88%) Wireless
5 5 (4.90%) Bluetooth
6 4 (3.92%) 802.11
6 4 (3.92%) ADSL
6 4 (3.92%) IPv4
6 4 (3.92%) IPv6
6 4 (3.92%) UPnP
6 4 (3.92%) VDSL
6 4 (3.92%) WAN
6 4 (3.92%) Wireshark
7 3 (2.94%) FTP
8 2 (1.96%) HTTPS
8 2 (1.96%) Internet
8 2 (1.96%) SMTP
Database & Business Intelligence
1 45 (44.12%) Relational Database
2 17 (16.67%) SQL Server
3 14 (13.73%) RDBMS
4 8 (7.84%) MySQL
5 6 (5.88%) MariaDB
5 6 (5.88%) NoSQL
6 5 (4.90%) SQL Server Integration Services
7 3 (2.94%) Hadoop
8 1 (0.98%) MongoDB
8 1 (0.98%) Neo4j
8 1 (0.98%) Oracle Database
8 1 (0.98%) Oracle Database 12c
Development Applications
1 42 (41.18%) Jenkins
2 28 (27.45%) Git (software)
3 25 (24.51%) JIRA
4 21 (20.59%) Subversion
5 18 (17.65%) JUnit
6 16 (15.69%) Maven
7 11 (10.78%) SoapUI
8 10 (9.80%) Ant
9 7 (6.86%) Gradle
9 7 (6.86%) JMeter
9 7 (6.86%) Mockito
10 6 (5.88%) Bugzilla
10 6 (5.88%) Redmine
10 6 (5.88%) Selenium
10 6 (5.88%) Trac
11 5 (4.90%) GitLab
12 4 (3.92%) Atlassian Bamboo
13 3 (2.94%) LoadUI
14 2 (1.96%) Cucumber
15 1 (0.98%) Zephyr
General
1 16 (15.69%) Finance
2 6 (5.88%) Automotive
2 6 (5.88%) Marketing
3 4 (3.92%) Manufacturing
4 1 (0.98%) Electronics
4 1 (0.98%) Legal
4 1 (0.98%) Retail
Job Titles
1 27 (26.47%) Developer
2 18 (17.65%) Architect
3 16 (15.69%) DevOps Engineer
4 14 (13.73%) Java Developer
5 12 (11.76%) Linux Engineer
6 10 (9.80%) Technical Architect
7 9 (8.82%) Linux/Unix DevOps
8 8 (7.84%) Linux DevOps Engineer
9 7 (6.86%) Senior Developer
9 7 (6.86%) Trainee
10 6 (5.88%) Analyst
10 6 (5.88%) J2EE Developer
10 6 (5.88%) Senior J2EE Developer
11 5 (4.90%) Production Support Analyst
11 5 (4.90%) Support Analyst
11 5 (4.90%) Tester
12 4 (3.92%) Agile Developer
12 4 (3.92%) Embedded Developer
12 4 (3.92%) Software Tester
13 3 (2.94%) C++ Developer
Libraries, Frameworks & Software Standards
1 51 (50.00%) Middleware
2 26 (25.49%) J2EE
3 25 (24.51%) Web Services
4 24 (23.53%) XML
5 23 (22.55%) HTML
6 19 (18.63%) CSS
7 18 (17.65%) JPA
7 18 (17.65%) REST
8 16 (15.69%) JAXB
8 16 (15.69%) SOAP
9 15 (14.71%) Struts
10 14 (13.73%) Java EE
10 14 (13.73%) Spring
11 11 (10.78%) JAX-RS
12 10 (9.80%) Ajax
12 10 (9.80%) JAX-WS
13 9 (8.82%) HTML5
13 9 (8.82%) JSON
14 8 (7.84%) .NET
14 8 (7.84%) Spring MVC
Miscellaneous
1 10 (9.80%) Enterprise Software
1 10 (9.80%) STB
2 6 (5.88%) Data Centre
3 5 (4.90%) Computer Science
3 5 (4.90%) Device Driver
3 5 (4.90%) Management Information System
4 4 (3.92%) Embedded Systems
4 4 (3.92%) N-Tier
5 2 (1.96%) Client/Server
6 1 (0.98%) Analytical Skills
6 1 (0.98%) Clustering
6 1 (0.98%) Digital TV
6 1 (0.98%) IPTV
6 1 (0.98%) Replication
6 1 (0.98%) RIA
Operating Systems
1 45 (44.12%) Red Hat Enterprise Linux
2 41 (40.20%) Unix
3 26 (25.49%) Windows
4 20 (19.61%) Mac OS X
5 14 (13.73%) Solaris
6 9 (8.82%) Windows Server
7 5 (4.90%) AIX
7 5 (4.90%) HPUX
7 5 (4.90%) Windows Server 2012
8 3 (2.94%) CentOS
8 3 (2.94%) OpenVMS
8 3 (2.94%) VMS
9 2 (1.96%) Windows Server 2008
10 1 (0.98%) Android
10 1 (0.98%) SUSE
Processes & Methodologies
1 61 (59.80%) Agile Software Development
2 53 (51.96%) Continuous Integration
3 51 (50.00%) Test Automation
4 46 (45.10%) TDD
5 38 (37.25%) Mentoring
6 35 (34.31%) DevOps
7 33 (32.35%) Configuration Management
8 30 (29.41%) Scrum
9 28 (27.45%) Kanban
10 25 (24.51%) Coaching
10 25 (24.51%) Open Source
11 23 (22.55%) SOA
12 21 (20.59%) Software Engineering
13 19 (18.63%) API Design
13 19 (18.63%) User Stories
14 18 (17.65%) Continuous Deployment
14 18 (17.65%) Microservices
14 18 (17.65%) OO
15 11 (10.78%) Critical Success Factor
15 11 (10.78%) ITIL
Programming Languages
1 38 (37.25%) Java
2 30 (29.41%) SQL
3 22 (21.57%) C
4 21 (20.59%) JavaScript
5 16 (15.69%) Perl
6 13 (12.75%) PL/SQL
7 12 (11.76%) Ruby
8 11 (10.78%) Python
8 11 (10.78%) Shell Script
9 9 (8.82%) C++
10 8 (7.84%) Groovy
11 5 (4.90%) XPath
12 4 (3.92%) Bash Shell
12 4 (3.92%) Embedded C
12 4 (3.92%) PHP
12 4 (3.92%) PowerShell
12 4 (3.92%) VB.NET
13 3 (2.94%) T-SQL
14 2 (1.96%) Elixir
15 1 (0.98%) Embedded C++
Qualifications
1 10 (9.80%) Degree
2 5 (4.90%) Computer Science Degree
3 4 (3.92%) SC Cleared
3 4 (3.92%) Security Cleared
Quality Assurance & Compliance
1 6 (5.88%) QA
2 3 (2.94%) IFRS
2 3 (2.94%) IFRS 9
3 2 (1.96%) SLA
4 1 (0.98%) Disclosure Scotland
System Software
1 11 (10.78%) Active Directory
1 11 (10.78%) Docker
2 6 (5.88%) Firmware
3 5 (4.90%) Virtual Machines
4 3 (2.94%) VMware Infrastructure
5 1 (0.98%) Xen
Systems Management
1 24 (23.53%) Ansible
2 18 (17.65%) Puppet
3 17 (16.67%) Opscode Chef
4 4 (3.92%) Terraform
5 3 (2.94%) SCCM
5 3 (2.94%) yum
6 1 (0.98%) Tivoli Storage Manager
Vendors
1 37 (36.27%) Oracle
2 16 (15.69%) Red Hat
2 16 (15.69%) WSO2
3 13 (12.75%) webMethods
4 9 (8.82%) CA
4 9 (8.82%) CA Agile Central
5 8 (7.84%) BEA
5 8 (7.84%) Microsoft
6 7 (6.86%) VMware
7 5 (4.90%) Atlassian
8 3 (2.94%) Cisco
8 3 (2.94%) Cloudera
8 3 (2.94%) IBM
9 2 (1.96%) HP
10 1 (0.98%) Citrix
10 1 (0.98%) Google
10 1 (0.98%) Siemens