Period
to 18 January 2018

The following table provides summary statistics for contract job vacancies advertised in London 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 18 January 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
England > London
6 months to
18 Jan 2018
Same period 2017 Same period 2016
Rank 12 10 12
Rank change year-on-year -2 +2 +1
Contract jobs citing Linux 4,308 4,306 3,966
As % of all contract IT jobs advertised in London 9.27% 10.25% 9.05%
As % of the Operating Systems category 44.93% 49.30% 42.90%
Number of daily rates quoted 3,080 3,090 2,846
London median daily rate £525 £488 £475
Median daily rate % change year-on-year +7.69% +2.63% +5.56%
10th Percentile £363 £350 £315
90th Percentile £675 £625 £638
England median daily rate £488 £450 £438
% change year-on-year +8.33% +2.86% +5.42%
Number of hourly rates quoted 36 36 61
London median hourly rate £35.00 £40.00 £37.50
Median hourly rate % change year-on-year -12.50% +6.67% +10.29%
10th Percentile £21.25 £19.63 £16.25
90th Percentile £52.50 £51.25 £52.50
England median hourly rate £41.00 £40.00 £37.50
% change year-on-year +2.50% +6.67% +7.14%

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 London with a requirement for operating system skills.

All Operating Systems
London
Contract vacancies with a requirement for operating system skills 9,589 8,735 9,245
As % of all contract IT jobs advertised in London 20.62% 20.79% 21.09%
Number of daily rates quoted 6,821 6,060 6,278
London median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.56% +5.88% +3.03%
10th Percentile £200 £238 £205
90th Percentile £638 £613 £600
England median daily rate £425 £413 £400
% change year-on-year +3.03% +3.13% +6.67%
Number of hourly rates quoted 285 200 295
London median hourly rate £18.70 £19.00 £17.39
Median hourly rate % change year-on-year -1.58% +9.29% +5.36%
10th Percentile £12.00 £12.48 £11.20
90th Percentile £47.83 £50.00 £43.75
England median hourly rate £17.50 £16.50 £16.50
% change year-on-year +6.06% - +3.13%

Linux
Job Vacancy Trend in London

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

Job vacancy trend for Linux in London

Linux
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Linux in London

Linux
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Linux in London over the 6 months to 18 January 2018.

Contractor daily rate histogram for Linux in London

Linux
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for Linux in London

Linux
Contractor Hourly Rate Histogram in London

The hourly rate distribution of IT jobs citing Linux in London over the 6 months to 18 January 2018.

Contractor hourly rate histogram for Linux in London

Linux
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Linux within the London region over the 6 months to 18 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -10 717 £525 +5.00% 336
South London -1 254 £525 +12.30% 16
West London -6 202 £488 +8.33% 125
East London +4 135 £598 +19.50% 46
North London +1 12 £488 +50.00% 15
Linux
England

For the 6 months to 18 January 2018, 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 London region with a requirement for Linux.

1 1,535 (35.63%) Java
2 1,525 (35.40%) DevOps
3 1,477 (34.29%) Python
4 1,370 (31.80%) Unix
5 1,278 (29.67%) Amazon AWS
6 1,228 (28.51%) Agile Software Development
7 1,082 (25.12%) Windows
8 983 (22.82%) Finance
9 934 (21.68%) Jenkins
10 931 (21.61%) Ansible
11 890 (20.66%) Docker
12 847 (19.66%) SQL
13 810 (18.80%) Puppet
14 755 (17.53%) Git (software)
15 685 (15.90%) Red Hat Enterprise Linux
16 662 (15.37%) Bash Shell
17 656 (15.23%) Continuous Integration
18 633 (14.69%) Banking
19 563 (13.07%) Configuration Management
20 518 (12.02%) JavaScript
21 511 (11.86%) Red Hat
22 510 (11.84%) Terraform
23 493 (11.44%) Security Cleared
24 474 (11.00%) Oracle
25 464 (10.77%) Kubernetes
26 463 (10.75%) VMware
27 457 (10.61%) Ruby
28 451 (10.47%) Perl
29 444 (10.31%) C++
30 438 (10.17%) Web Services

Linux
Co-occurring IT Skills in London 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
1 322 (7.47%) Apache
2 288 (6.69%) Tomcat
3 233 (5.41%) Confluence
4 226 (5.25%) Elasticsearch
5 174 (4.04%) Apache Spark
6 167 (3.88%) nginx
7 130 (3.02%) OpenStack
8 90 (2.09%) IIS
9 89 (2.07%) JBoss
10 80 (1.86%) WebSphere
11 53 (1.23%) WebLogic
12 39 (0.91%) Adobe Experience Manager
13 38 (0.88%) Apache Solr
14 37 (0.86%) CMS
15 35 (0.81%) SharePoint
16 30 (0.70%) Jetty
17 29 (0.67%) MQSeries
17 29 (0.67%) MS Exchange
18 28 (0.65%) Oracle SOA Suite
19 25 (0.58%) Cloud Foundry
Applications
1 30 (0.70%) Microsoft Excel
2 26 (0.60%) Microsoft Office
3 21 (0.49%) HipChat
4 9 (0.21%) Chatbot
4 9 (0.21%) MS Visio
5 7 (0.16%) Microsoft Project
6 6 (0.14%) Microsoft PowerPoint
7 3 (0.070%) InVision
7 3 (0.070%) Photoshop
7 3 (0.070%) Spreadsheet
8 1 (0.023%) InfoPath
Business Applications
1 43 (1.00%) ION MarketView
2 20 (0.46%) Temenos T24
3 11 (0.26%) Dynamics CRM
3 11 (0.26%) Magento
4 10 (0.23%) Markit EDM
5 8 (0.19%) Oracle Retail
5 8 (0.19%) RMDS
6 7 (0.16%) BusinessWorks
6 7 (0.16%) Kondor
7 6 (0.14%) Oracle EBS
8 3 (0.070%) Distributed Ledger
8 3 (0.070%) Oracle Applications
8 3 (0.070%) Summit
9 2 (0.046%) HiPortfolio
9 2 (0.046%) MetaTrader
9 2 (0.046%) Oracle BPM
9 2 (0.046%) Oracle iProcurement
9 2 (0.046%) Payment Gateway
9 2 (0.046%) Salerio
9 2 (0.046%) SAP Hybris
Cloud Services
1 1,278 (29.67%) Amazon AWS
2 328 (7.61%) Microsoft Azure
3 238 (5.52%) Amazon EC2
4 180 (4.18%) Amazon S3
5 170 (3.95%) GitHub
6 153 (3.55%) AWS CloudFormation
7 142 (3.30%) Virtual Private Cloud
8 107 (2.48%) Route 53
9 92 (2.14%) IaaS
10 89 (2.07%) Serverless
11 81 (1.88%) Amazon ELB
12 77 (1.79%) Amazon CloudWatch
13 75 (1.74%) AWS Lambda
13 75 (1.74%) PaaS
14 67 (1.56%) Google Cloud Platform
15 61 (1.42%) Cloud Computing
15 61 (1.42%) SaaS
16 56 (1.30%) OpenShift
17 50 (1.16%) Office 365
18 34 (0.79%) Amazon SQS
Communications & Networking
1 352 (8.17%) TCP/IP
2 345 (8.01%) Firewall
3 267 (6.20%) DNS
4 218 (5.06%) HTTP
5 173 (4.02%) SSL
6 137 (3.18%) SAN
7 126 (2.92%) VPN
8 111 (2.58%) DHCP
9 103 (2.39%) Internet
10 85 (1.97%) LDAP
11 82 (1.90%) LAN
11 82 (1.90%) Network Security
12 80 (1.86%) Kerberos
13 75 (1.74%) WAN
14 50 (1.16%) NAS
15 49 (1.14%) FTP
16 44 (1.02%) SSH
17 38 (0.88%) BIG-IP
18 34 (0.79%) VLAN
19 33 (0.77%) VoIP
Database & Business Intelligence
1 408 (9.47%) MySQL
2 290 (6.73%) Hadoop
3 284 (6.59%) MongoDB
4 282 (6.55%) PostgreSQL
5 267 (6.20%) Relational Database
6 256 (5.94%) NoSQL
7 252 (5.85%) Big Data
8 241 (5.59%) SQL Server
9 136 (3.16%) Amazon RDS
10 135 (3.13%) RDBMS
11 123 (2.86%) Apache Cassandra
12 121 (2.81%) Oracle Database
13 116 (2.69%) HBase
14 82 (1.90%) KDB
15 77 (1.79%) Apache Hive
16 66 (1.53%) Redis
17 57 (1.32%) Data Warehouse
18 50 (1.16%) DB2
19 36 (0.84%) Amazon DynamoDB
20 32 (0.74%) Neo4j
Development Applications
1 934 (21.68%) Jenkins
2 755 (17.53%) Git (software)
3 370 (8.59%) JIRA
4 330 (7.66%) Maven
5 159 (3.69%) Subversion
6 144 (3.34%) JUnit
6 144 (3.34%) Sonatype Nexus
7 119 (2.76%) TeamCity
8 101 (2.34%) Artifactory
9 99 (2.30%) Bitbucket
10 90 (2.09%) Cucumber
11 83 (1.93%) Gradle
12 81 (1.88%) Mockito
13 69 (1.60%) Atlassian Bamboo
14 65 (1.51%) IntelliJ
14 65 (1.51%) Selenium
14 65 (1.51%) Vagrant
15 62 (1.44%) GitLab
16 56 (1.30%) Grunt
17 50 (1.16%) Ant
General
1 983 (22.82%) Finance
2 633 (14.69%) Banking
3 254 (5.90%) Investment Banking
4 237 (5.50%) Front Office
5 94 (2.18%) Telecoms
6 82 (1.90%) Retail
7 71 (1.65%) Marketing
8 67 (1.56%) Financial Institution
9 53 (1.23%) Games
10 43 (1.00%) Electronics
11 32 (0.74%) Manufacturing
11 32 (0.74%) Retail Banking
12 26 (0.60%) Back Office
13 25 (0.58%) Advertising
14 22 (0.51%) Legal
15 21 (0.49%) Law
16 18 (0.42%) Publishing
17 15 (0.35%) French Language
18 12 (0.28%) Pharmaceutical
19 11 (0.26%) Billing
Job Titles
1 1,194 (27.72%) Developer
2 995 (23.10%) DevOps Engineer
3 428 (9.94%) Java Developer
4 420 (9.75%) AWS Engineer
5 389 (9.03%) AWS DevOps
6 370 (8.59%) Linux Engineer
7 344 (7.99%) AWS DevOps Engineer
8 258 (5.99%) Administrator
9 231 (5.36%) C++ Developer
10 226 (5.25%) Analyst
11 218 (5.06%) Linux/Unix DevOps
12 197 (4.57%) Senior Developer
13 191 (4.43%) Consultant
14 190 (4.41%) Linux DevOps Engineer
15 182 (4.22%) Architect
16 174 (4.04%) Cloud Engineer
17 163 (3.78%) Senior DevOps
18 157 (3.64%) Systems Administrator
19 147 (3.41%) Infrastructure Engineer
20 143 (3.32%) Senior DevOps Engineer
Libraries, Frameworks & Software Standards
1 438 (10.17%) Web Services
2 333 (7.73%) HTML
3 313 (7.27%) Spring
4 288 (6.69%) REST
5 264 (6.13%) Node.js
6 254 (5.90%) CSS
7 217 (5.04%) XML
8 215 (4.99%) Elastic Stack
9 198 (4.60%) Kafka
10 192 (4.46%) AngularJS
11 187 (4.34%) JSON
12 175 (4.06%) HTML5
13 159 (3.69%) Middleware
14 152 (3.53%) RESTful
15 148 (3.44%) .NET
15 148 (3.44%) FIX Protocol
16 121 (2.81%) JMS
17 117 (2.72%) Spring Boot
18 104 (2.41%) jQuery
19 98 (2.27%) LAMP
Miscellaneous
1 306 (7.10%) Analytical Skills
2 243 (5.64%) Foreign Exchange (FX)
3 221 (5.13%) Data Centre
4 205 (4.76%) Computer Science
5 137 (3.18%) Linux Command Line
6 114 (2.65%) Greenfield Project
7 113 (2.62%) Public Cloud
8 107 (2.48%) Algorithms
9 96 (2.23%) Clustering
10 93 (2.16%) Data Structures
11 88 (2.04%) Fixed Income
12 85 (1.97%) Replication
13 81 (1.88%) Equities
14 76 (1.76%) User Experience
15 73 (1.69%) Fintech
16 70 (1.62%) Management Information System
17 58 (1.35%) PKI
18 54 (1.25%) Derivative
19 52 (1.21%) Hedge funds
20 49 (1.14%) Mobile App
Operating Systems
1 1,370 (31.80%) Unix
2 1,082 (25.12%) Windows
3 685 (15.90%) Red Hat Enterprise Linux
4 354 (8.22%) CentOS
5 297 (6.89%) Windows Server
6 216 (5.01%) Solaris
7 201 (4.67%) Ubuntu
8 156 (3.62%) Windows Server 2012
9 101 (2.34%) Windows Server 2008
10 82 (1.90%) AIX
11 64 (1.49%) Mac OS X
12 61 (1.42%) Windows Server 2003
13 49 (1.14%) Android
14 48 (1.11%) CoreOS
15 42 (0.97%) Debian
16 40 (0.93%) Mac OS
16 40 (0.93%) Windows 7
17 36 (0.84%) Windows 10
18 29 (0.67%) SUSE
19 17 (0.39%) Apple iOS
Processes & Methodologies
1 1,525 (35.40%) DevOps
2 1,228 (28.51%) Agile Software Development
3 656 (15.23%) Continuous Integration
4 563 (13.07%) Configuration Management
5 395 (9.17%) Open Source
6 385 (8.94%) TDD
7 375 (8.70%) Scrum
8 327 (7.59%) Test Automation
9 295 (6.85%) Microservices
10 285 (6.62%) Migration
11 264 (6.13%) Continuous Delivery
12 256 (5.94%) OO
13 252 (5.85%) Software Engineering
14 251 (5.83%) Multithreading
15 211 (4.90%) Analytics
16 208 (4.83%) BDD
17 201 (4.67%) SDLC
18 193 (4.48%) Low Latency
19 183 (4.25%) ITIL
20 179 (4.16%) Electronic Trading
Programming Languages
1 1,535 (35.63%) Java
2 1,477 (34.29%) Python
3 847 (19.66%) SQL
4 662 (15.37%) Bash Shell
5 518 (12.02%) JavaScript
6 457 (10.61%) Ruby
7 451 (10.47%) Perl
8 444 (10.31%) C++
9 334 (7.75%) Shell Script
10 250 (5.80%) PowerShell
11 196 (4.55%) Scala
12 192 (4.46%) Go
13 179 (4.16%) C#
14 160 (3.71%) C
15 129 (2.99%) PHP
16 126 (2.92%) Groovy
17 76 (1.76%) PL/SQL
18 56 (1.30%) ES6
19 51 (1.18%) Korn
20 45 (1.04%) R
Qualifications
1 493 (11.44%) Security Cleared
2 369 (8.57%) SC Cleared
3 298 (6.92%) Degree
4 110 (2.55%) Computer Science Degree
5 57 (1.32%) CISSP
6 55 (1.28%) DV Cleared
7 50 (1.16%) Cisco Certification
8 48 (1.11%) AWS Certification
9 36 (0.84%) CISM
10 31 (0.72%) Microsoft Certification
11 29 (0.67%) BPSS Clearance
12 28 (0.65%) RHCE
13 27 (0.63%) PhD
14 19 (0.44%) CCNA
14 19 (0.44%) MCSE
15 18 (0.42%) CCNP
16 16 (0.37%) CCSP
17 14 (0.32%) Master's Degree
18 12 (0.28%) CRISC
18 12 (0.28%) MCSA
Quality Assurance & Compliance
1 193 (4.48%) QA
2 52 (1.21%) MiFID
3 46 (1.07%) ISO/IEC 27001
4 32 (0.74%) PCI DSS
5 27 (0.63%) SLA
6 21 (0.49%) Disclosure Scotland
6 21 (0.49%) GCP
6 21 (0.49%) TARGET2
7 18 (0.42%) GDPR
8 17 (0.39%) Data Quality
9 12 (0.28%) Sarbanes-Oxley
10 10 (0.23%) COBIT
11 9 (0.21%) EMIR
11 9 (0.21%) PMO
12 8 (0.19%) AIFMD
12 8 (0.19%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
12 8 (0.19%) NIST 800
13 6 (0.14%) FATCA
14 5 (0.12%) ISO 8583
14 5 (0.12%) OASIS TOSCA
System Software
1 890 (20.66%) Docker
2 232 (5.39%) Active Directory
3 221 (5.13%) VMware Infrastructure
4 105 (2.44%) VMware ESXi
5 99 (2.30%) HDFS
6 75 (1.74%) Hyper-V
7 66 (1.53%) Virtual Machines
8 44 (1.02%) NFS
9 43 (1.00%) vCloud
10 38 (0.88%) vSphere
11 36 (0.84%) Apache ZooKeeper
12 33 (0.77%) Apache Flume
12 33 (0.77%) Samba
13 30 (0.70%) KVM
14 25 (0.58%) XenApp
15 22 (0.51%) Xen
16 19 (0.44%) Firmware
17 18 (0.42%) etcd
18 16 (0.37%) Squid
19 15 (0.35%) Veritas Volume Manager
Systems Management
1 931 (21.61%) Ansible
2 810 (18.80%) Puppet
3 510 (11.84%) Terraform
4 464 (10.77%) Kubernetes
5 435 (10.10%) Opscode Chef
6 171 (3.97%) logstash
7 141 (3.27%) Nagios
8 122 (2.83%) Kibana
9 94 (2.18%) Grafana
10 80 (1.86%) ZABBIX
11 66 (1.53%) Prometheus
12 62 (1.44%) Salt
13 59 (1.37%) Packer
14 53 (1.23%) Rancher
15 50 (1.16%) ITRS Geneos
15 50 (1.16%) Mesos
16 48 (1.11%) SCCM
17 47 (1.09%) Consul
18 41 (0.95%) Docker Swarm
18 41 (0.95%) Icinga
Vendors
1 511 (11.86%) Red Hat
2 474 (11.00%) Oracle
3 463 (10.75%) VMware
4 303 (7.03%) Microsoft
5 245 (5.69%) Splunk
6 168 (3.90%) Sybase
7 163 (3.78%) IBM
8 159 (3.69%) Cisco
9 141 (3.27%) TIBCO
10 122 (2.83%) Google
11 100 (2.32%) Atlassian
12 89 (2.07%) HP
13 82 (1.90%) F5
14 73 (1.69%) Citrix
14 73 (1.69%) Hortonworks
15 69 (1.60%) EMC
16 66 (1.53%) Juniper
16 66 (1.53%) SaltStack
17 60 (1.39%) NetApp
18 59 (1.37%) AppDynamics