Period
to 20 May 2018

The following table provides summary statistics for contract job vacancies 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 20 May 2018 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
UK
6 months to
20 May 2018
Same period 2017 Same period 2016
Rank 11 11 12
Rank change year-on-year 0 +1 +7
Contract jobs citing Linux 8,726 8,263 9,801
As % of all contract IT jobs advertised in the UK 8.66% 9.10% 9.28%
As % of the Operating Systems category 41.96% 44.29% 42.00%
Number of daily rates quoted 5,757 5,583 6,528
UK median daily rate £490 £451 £430
Median daily rate % change year-on-year +8.77% +4.77% +3.61%
10th Percentile £323 £313 £300
90th Percentile £638 £613 £588
UK excluding London median daily rate £438 £425 £400
% change year-on-year +2.94% +6.25% +6.67%
Number of hourly rates quoted 198 157 283
UK median hourly rate £40.00 £40.00 £40.00
10th Percentile £14.43 £20.75 £18.60
90th Percentile £60.60 £52.17 £52.25
UK excluding London median hourly rate £40.00 £39.50 £40.00
% change year-on-year +1.27% -1.25% +6.67%

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 with a requirement for operating system skills.

All Operating Systems
UK
Contract vacancies with a requirement for operating system skills 20,795 18,658 23,336
As % of all contract IT jobs advertised in the UK 20.65% 20.55% 22.11%
Number of daily rates quoted 13,182 11,793 14,409
UK median daily rate £425 £425 £400
Median daily rate % change year-on-year - +6.25% +6.67%
10th Percentile £185 £200 £205
90th Percentile £613 £588 £575
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.23% +3.33% +7.14%
Number of hourly rates quoted 1,315 1,128 1,385
UK median hourly rate £17.00 £16.50 £17.00
Median hourly rate % change year-on-year +3.03% -2.94% +5.20%
10th Percentile £11.17 £10.50 £10.63
90th Percentile £47.50 £47.50 £46.00
UK excluding London median hourly rate £15.86 £15.86 £16.50
% change year-on-year - -3.88% +4.76%

Linux
Job Vacancy Trend

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

Job vacancy trend for Linux in the UK

Linux
Contractor Daily Rate Trend

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

Contractor daily rate trend for Linux in the UK

Linux
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Linux over the 6 months to 20 May 2018.

Contractor daily rate histogram for Linux in the UK

Linux
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for Linux in the UK

Linux
Contractor Hourly Rate Histogram

The hourly rate distribution of IT jobs citing Linux over the 6 months to 20 May 2018.

Contractor hourly rate histogram for Linux in the UK

Linux
Top 17 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Linux within the UK over the 6 months to 20 May 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England 0 8,164 £500 +5.26% 2,800
UK excluding London +1 4,474 £438 +2.94% 1,759
London -5 4,133 £525 +5.00% 1,189
South East +1 1,662 £463 +8.82% 540
North of England -1 1,080 £423 -0.59% 360
Midlands +6 550 £450 +5.88% 192
Yorkshire -2 458 £425 -5.56% 130
North West -2 450 £433 +1.76% 195
South West +9 406 £450 +2.56% 253
Scotland -14 334 £425 +7.59% 92
East of England -3 328 £425 - 267
West Midlands -5 305 £450 -2.17% 128
East Midlands +21 240 £425 +30.77% 63
North East -3 174 £375 +1.35% 35
Wales -16 95 £408 -9.44% 38
Northern Ireland -33 24 £455 +5.20% 19
Channel Islands -3 1 £175 -50.00%

For the 6 months to 20 May 2018, IT contractor 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 contract job ads with a requirement for Linux.

1 3,014 (34.54%) DevOps
2 2,673 (30.63%) Python
3 2,619 (30.01%) Agile Software Development
4 2,567 (29.42%) Java
5 2,396 (27.46%) Unix
6 2,299 (26.35%) Windows
7 2,243 (25.70%) Jenkins
8 2,238 (25.65%) Amazon AWS
9 1,984 (22.74%) Git (software)
10 1,798 (20.61%) Puppet
11 1,782 (20.42%) Docker
12 1,773 (20.32%) Ansible
13 1,590 (18.22%) SQL
14 1,499 (17.18%) Red Hat Enterprise Linux
15 1,487 (17.04%) Continuous Integration
16 1,435 (16.45%) Finance
17 1,371 (15.71%) Configuration Management
18 1,332 (15.26%) Bash Shell
19 1,285 (14.73%) Red Hat
20 1,280 (14.67%) Oracle
21 1,203 (13.79%) Security Cleared
22 1,163 (13.33%) JavaScript
23 1,015 (11.63%) Opscode Chef
24 999 (11.45%) Microsoft Azure
25 957 (10.97%) Terraform
26 942 (10.80%) Ruby
27 927 (10.62%) SC Cleared
28 926 (10.61%) Web Services
29 916 (10.50%) VMware
30 910 (10.43%) Perl

Linux
Co-occurring IT Skills 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
1 698 (8.00%) Apache
2 482 (5.52%) Confluence
3 442 (5.07%) Tomcat
4 353 (4.05%) Apache Spark
5 348 (3.99%) Elasticsearch
6 341 (3.91%) nginx
7 237 (2.72%) JBoss
8 230 (2.64%) WebSphere
9 188 (2.15%) OpenStack
10 178 (2.04%) IIS
11 174 (1.99%) WebLogic
12 158 (1.81%) Oracle SOA Suite
13 94 (1.08%) MS Exchange
14 68 (0.78%) Cloud Foundry
15 67 (0.77%) Jetty
15 67 (0.77%) WebSphere Application Server
16 64 (0.73%) CMS
17 61 (0.70%) SharePoint
18 58 (0.66%) Apache Solr
19 44 (0.50%) GlassFish
Applications
1 105 (1.20%) Microsoft Office
2 55 (0.63%) Microsoft Excel
3 42 (0.48%) MS Visio
4 20 (0.23%) Microsoft PowerPoint
5 18 (0.21%) Microsoft Project
6 17 (0.19%) Spreadsheet
7 10 (0.11%) Stata
8 9 (0.10%) HipChat
9 3 (0.034%) Adobe Creative Suite
9 3 (0.034%) Simulink
10 2 (0.023%) Photoshop
11 1 (0.011%) Adobe After Effects
11 1 (0.011%) Adobe Illustrator
11 1 (0.011%) Adobe Premiere
11 1 (0.011%) CATIA
11 1 (0.011%) Final Cut Pro
11 1 (0.011%) Houdini
11 1 (0.011%) Maya
11 1 (0.011%) NUKE
11 1 (0.011%) Stateflow
Business Applications
1 46 (0.53%) ION MarketView
2 35 (0.40%) Magento
3 34 (0.39%) Oracle Applications
4 22 (0.25%) Siebel CRM
5 21 (0.24%) Remedy ITSM
6 20 (0.23%) Oracle EBS
7 19 (0.22%) Oracle Utilities
8 18 (0.21%) Oracle BPM
9 12 (0.14%) Payment Gateway
10 10 (0.11%) Oracle EBS R12
10 10 (0.11%) Temenos T24
11 9 (0.10%) BusinessWorks
11 9 (0.10%) Dynamics CRM
12 8 (0.092%) IBM Operational Decision Manager
12 8 (0.092%) SAP Hybris
13 7 (0.080%) Endur
14 6 (0.069%) HiPortfolio
14 6 (0.069%) RMDS
14 6 (0.069%) WebTrends
15 5 (0.057%) OpenLink RightAngle
Cloud Services
1 2,238 (25.65%) Amazon AWS
2 999 (11.45%) Microsoft Azure
3 379 (4.34%) GitHub
4 346 (3.97%) Amazon EC2
5 312 (3.58%) PaaS
6 310 (3.55%) IaaS
7 304 (3.48%) AWS CloudFormation
8 258 (2.96%) Amazon S3
9 238 (2.73%) Serverless
10 213 (2.44%) AWS Lambda
11 194 (2.22%) Virtual Private Cloud
12 193 (2.21%) Google Cloud Platform
13 189 (2.17%) OpenShift
14 171 (1.96%) Amazon CloudWatch
15 162 (1.86%) Cloud Computing
16 150 (1.72%) Route 53
17 141 (1.62%) SaaS
18 139 (1.59%) Office 365
19 117 (1.34%) Amazon ELB
20 81 (0.93%) Slack
Communications & Networking
1 691 (7.92%) Firewall
2 637 (7.30%) TCP/IP
3 501 (5.74%) DNS
4 476 (5.45%) HTTP
5 345 (3.95%) SSL
6 262 (3.00%) SAN
7 201 (2.30%) DHCP
8 175 (2.01%) VPN
9 166 (1.90%) Network Security
10 162 (1.86%) FTP
11 158 (1.81%) Internet
12 135 (1.55%) WAN
13 127 (1.46%) Kerberos
14 112 (1.28%) LAN
15 98 (1.12%) SMS
16 88 (1.01%) SSH
17 79 (0.91%) IPsec
18 70 (0.80%) Wireless
19 69 (0.79%) SNMP
20 63 (0.72%) VLAN
Database & Business Intelligence
1 851 (9.75%) MySQL
2 712 (8.16%) Relational Database
3 701 (8.03%) PostgreSQL
4 665 (7.62%) MongoDB
5 611 (7.00%) SQL Server
6 558 (6.39%) Big Data
7 516 (5.91%) Hadoop
8 456 (5.23%) NoSQL
9 391 (4.48%) Oracle Database
10 273 (3.13%) Apache Cassandra
11 263 (3.01%) RDBMS
12 243 (2.78%) Amazon RDS
13 219 (2.51%) HBase
14 217 (2.49%) Apache Hive
15 189 (2.17%) Redis
16 187 (2.14%) DB2
17 158 (1.81%) Oracle Database 11g
18 121 (1.39%) Data Warehouse
19 109 (1.25%) Oracle Database 12c
20 96 (1.10%) Impala
Development Applications
1 2,243 (25.70%) Jenkins
2 1,984 (22.74%) Git (software)
3 790 (9.05%) JIRA
4 481 (5.51%) Maven
5 410 (4.70%) Subversion
6 309 (3.54%) Selenium
7 301 (3.45%) Cucumber
8 287 (3.29%) JUnit
9 280 (3.21%) Sonatype Nexus
10 275 (3.15%) TeamCity
11 255 (2.92%) Artifactory
12 203 (2.33%) Vagrant
13 195 (2.23%) Gradle
14 193 (2.21%) GitLab
15 176 (2.02%) Bitbucket
16 146 (1.67%) Atlassian Bamboo
17 135 (1.55%) Eclipse
18 120 (1.38%) Ant
19 112 (1.28%) Travis CI
20 109 (1.25%) Mockito
General
1 1,435 (16.45%) Finance
2 638 (7.31%) Banking
3 240 (2.75%) Front Office
4 208 (2.38%) Telecoms
5 180 (2.06%) Investment Banking
6 119 (1.36%) Retail
7 106 (1.21%) Marketing
8 84 (0.96%) Financial Institution
9 81 (0.93%) Electronics
10 78 (0.89%) Manufacturing
11 68 (0.78%) Back Office
12 66 (0.76%) Games
13 56 (0.64%) Law
14 42 (0.48%) Legal
15 31 (0.36%) Publishing
16 29 (0.33%) Automotive
17 27 (0.31%) French Language
18 23 (0.26%) Advertising
19 21 (0.24%) German Language
20 20 (0.23%) Billing
Job Titles
1 2,245 (25.73%) Developer
2 1,895 (21.72%) DevOps Engineer
3 771 (8.84%) Java Developer
4 670 (7.68%) Linux Engineer
5 616 (7.06%) AWS Engineer
6 539 (6.18%) AWS DevOps
7 535 (6.13%) Administrator
8 465 (5.33%) AWS DevOps Engineer
9 457 (5.24%) Architect
10 403 (4.62%) Analyst
11 377 (4.32%) Linux/Unix DevOps
12 374 (4.29%) Consultant
13 323 (3.70%) Cloud Engineer
13 323 (3.70%) Python Developer
14 320 (3.67%) Software Engineer
15 311 (3.56%) Linux DevOps Engineer
16 301 (3.45%) Systems Administrator
17 298 (3.42%) Senior Developer
18 294 (3.37%) Senior DevOps
19 286 (3.28%) Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 926 (10.61%) Web Services
2 734 (8.41%) HTML
3 704 (8.07%) REST
4 596 (6.83%) Spring
5 587 (6.73%) Node.js
6 577 (6.61%) CSS
7 464 (5.32%) JSON
8 439 (5.03%) Kafka
9 438 (5.02%) RESTful
10 432 (4.95%) XML
11 424 (4.86%) Middleware
12 386 (4.42%) AngularJS
13 370 (4.24%) Elastic Stack
14 353 (4.05%) SOAP
15 289 (3.31%) .NET
16 285 (3.27%) RabbitMQ
17 267 (3.06%) HTML5
18 243 (2.78%) React
19 222 (2.54%) jQuery
20 211 (2.42%) J2EE
Miscellaneous
1 620 (7.11%) Analytical Skills
2 372 (4.26%) Data Centre
3 366 (4.19%) Linux Command Line
4 330 (3.78%) Computer Science
5 256 (2.93%) Greenfield Project
6 208 (2.38%) Clustering
7 179 (2.05%) Public Cloud
7 179 (2.05%) Replication
8 175 (2.01%) Enterprise Software
9 169 (1.94%) Management Information System
10 154 (1.76%) Foreign Exchange (FX)
11 142 (1.63%) Algorithms
12 127 (1.46%) Self-Motivation
13 125 (1.43%) User Experience
14 112 (1.28%) Virtual Team
15 104 (1.19%) Fintech
16 102 (1.17%) Fixed Income
17 93 (1.07%) Equities
18 89 (1.02%) Data Structures
19 85 (0.97%) Derivative
Operating Systems
1 2,396 (27.46%) Unix
2 2,299 (26.35%) Windows
3 1,499 (17.18%) Red Hat Enterprise Linux
4 664 (7.61%) CentOS
5 630 (7.22%) Windows Server
6 417 (4.78%) Solaris
7 383 (4.39%) Ubuntu
8 294 (3.37%) AIX
9 230 (2.64%) Windows Server 2012
10 171 (1.96%) Windows Server 2008
11 158 (1.81%) Mac OS X
12 105 (1.20%) Windows 7
13 100 (1.15%) Android
14 98 (1.12%) Windows 10
15 94 (1.08%) HPUX
16 89 (1.02%) SUSE
17 84 (0.96%) Debian
18 76 (0.87%) Apple iOS
18 76 (0.87%) Windows Server 2003
19 60 (0.69%) Mac OS
Processes & Methodologies
1 3,014 (34.54%) DevOps
2 2,619 (30.01%) Agile Software Development
3 1,487 (17.04%) Continuous Integration
4 1,371 (15.71%) Configuration Management
5 899 (10.30%) TDD
6 898 (10.29%) Test Automation
7 873 (10.00%) Open Source
8 761 (8.72%) Problem-Solving
9 730 (8.37%) Scrum
10 679 (7.78%) Software Engineering
11 619 (7.09%) Microservices
12 574 (6.58%) Continuous Delivery
13 536 (6.14%) ITIL
14 526 (6.03%) Migration
15 499 (5.72%) BDD
16 429 (4.92%) OO
17 408 (4.68%) SDLC
18 406 (4.65%) Deployment Automation
19 374 (4.29%) Analytics
19 374 (4.29%) Web Development
Programming Languages
1 2,673 (30.63%) Python
2 2,567 (29.42%) Java
3 1,590 (18.22%) SQL
4 1,332 (15.26%) Bash Shell
5 1,163 (13.33%) JavaScript
6 942 (10.80%) Ruby
7 910 (10.43%) Perl
8 681 (7.80%) Shell Script
9 577 (6.61%) C++
10 471 (5.40%) PowerShell
11 436 (5.00%) Scala
12 403 (4.62%) C
13 386 (4.42%) PHP
14 303 (3.47%) C#
15 292 (3.35%) Java 8
16 243 (2.78%) Groovy
17 235 (2.69%) Go
18 209 (2.40%) PL/SQL
19 94 (1.08%) TypeScript
20 89 (1.02%) Korn
Qualifications
1 1,203 (13.79%) Security Cleared
2 927 (10.62%) SC Cleared
3 519 (5.95%) Degree
4 154 (1.76%) Computer Science Degree
5 149 (1.71%) DV Cleared
6 105 (1.20%) AWS Certification
7 103 (1.18%) BPSS Clearance
8 80 (0.92%) CISSP
9 74 (0.85%) Cisco Certification
10 56 (0.64%) Microsoft Certification
11 50 (0.57%) ISEB
12 42 (0.48%) RHCE
13 41 (0.47%) CCNP
14 40 (0.46%) ISTQB
15 39 (0.45%) MCSE
16 38 (0.44%) CCNA
16 38 (0.44%) ITIL Certification
17 35 (0.40%) CISM
18 31 (0.36%) ISTQB Foundation Certification
18 31 (0.36%) Master's Degree
Quality Assurance & Compliance
1 229 (2.62%) QA
2 122 (1.40%) SLA
3 71 (0.81%) GCP
4 62 (0.71%) ISO/IEC 27001
5 59 (0.68%) PCI DSS
6 53 (0.61%) Data Quality
7 38 (0.44%) GDPR
8 31 (0.36%) Disclosure Scotland
9 30 (0.34%) MiFID
10 27 (0.31%) Sarbanes-Oxley
11 20 (0.23%) PMO
12 18 (0.21%) TARGET2
13 13 (0.15%) ISO 9001
14 10 (0.11%) COBIT
14 10 (0.11%) EMIR
15 8 (0.092%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
15 8 (0.092%) RMADS
16 6 (0.069%) Cyber Essentials
16 6 (0.069%) ISO/IEC 20000
17 5 (0.057%) TickIT
System Software
1 1,782 (20.42%) Docker
2 535 (6.13%) Active Directory
3 523 (5.99%) VMware Infrastructure
4 235 (2.69%) Virtual Machines
5 187 (2.14%) HDFS
6 178 (2.04%) VMware ESXi
7 148 (1.70%) Hyper-V
8 132 (1.51%) Apache ZooKeeper
9 127 (1.46%) vSphere
10 88 (1.01%) NFS
11 81 (0.93%) Apache Flume
12 71 (0.81%) Xen
13 48 (0.55%) Virtual Servers
13 48 (0.55%) XenApp
14 47 (0.54%) Veritas Cluster Server
15 46 (0.53%) KVM
15 46 (0.53%) VirtualBox
16 45 (0.52%) Firmware
17 39 (0.45%) Oracle RAC
18 38 (0.44%) flannel
Systems Management
1 1,798 (20.61%) Puppet
2 1,773 (20.32%) Ansible
3 1,015 (11.63%) Opscode Chef
4 957 (10.97%) Terraform
5 845 (9.68%) Kubernetes
6 235 (2.69%) Nagios
7 209 (2.40%) Salt
8 191 (2.19%) Packer
9 176 (2.02%) Grafana
9 176 (2.02%) Kibana
9 176 (2.02%) logstash
10 137 (1.57%) SCCM
11 113 (1.29%) Hadoop YARN
11 113 (1.29%) HAProxy
12 111 (1.27%) Docker Swarm
13 93 (1.07%) Prometheus
14 91 (1.04%) Consul
14 91 (1.04%) SCOM
15 86 (0.99%) Mesos
15 86 (0.99%) Rancher
Vendors
1 1,285 (14.73%) Red Hat
2 1,280 (14.67%) Oracle
3 916 (10.50%) VMware
4 799 (9.16%) Microsoft
5 408 (4.68%) Splunk
6 380 (4.35%) IBM
7 347 (3.98%) Google
8 343 (3.93%) Cisco
9 294 (3.37%) HP
10 191 (2.19%) Atlassian
11 164 (1.88%) NetApp
12 156 (1.79%) Citrix
12 156 (1.79%) Cloudera
13 148 (1.70%) Sybase
14 146 (1.67%) SaltStack
15 127 (1.46%) Hortonworks
16 106 (1.21%) New Relic
17 103 (1.18%) Veritas
18 102 (1.17%) EMC
18 102 (1.17%) TIBCO