The following table provides summary statistics for contract job vacancies advertised in the City of 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 3 months to 22 March 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.

3 months to
22 Mar 2017
Same period 2016 Same period 2015
Linux
London / City of London
Rank 10 11 19
Rank change year-on-year +1 +8  
Contract jobs citing Linux 307 322 390
As % of all contract IT jobs advertised in the City of London 10.33% 9.85% 7.79%
As % of the Operating Systems category 46.17% 46.26% 36.04%
Number of daily rates quoted 256 264 304
Median daily rate £525 £493 £475
Median daily rate % change year-on-year +6.59% +3.68%  
90% offered a daily rate of more than £394 £325 £325
10% offered a daily rate of more than £625 £625 £625
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 0 3 2
Median hourly rate - £55.00 £15.75
Median hourly rate % change year-on-year - +249.20%  
UK excluding London median hourly rate £39.00 £42.50 £36.00
% change year-on-year -8.23% +18.05%  

Linux is in the operating system skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for operating system skills.

Contract Operating System Skills
City of London
Contract job vacancies with a requirement for operating system skills 665 696 1082
As % of all contract IT job vacancies advertised in the City of London 22.38% 21.29% 21.62%
Number of daily rates quoted 540 548 831
Median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.55% +5.88%  
90% offered a daily rate of more than £250 £230 £190
10% offered a daily rate of more than £625 £575 £575
UK excluding London median daily rate £388 £364 £336
% change year-on-year +6.37% +8.50%  
Number of hourly rates quoted 9 21 35
Median hourly rate £14.15 £19.50 £17.87
Median hourly rate % change year-on-year -27.46% +9.15%  
90% offered a hourly rate of more than £13.50 £13.00 £13.08
10% offered a hourly rate of more than £113.70 £30.00 £105.00
UK excluding London median hourly rate £15.25 £17.00 £15.50
% change year-on-year -10.29% +9.67%  

Linux
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Linux as a proportion of all contract or permanent IT jobs with a match in the Operating Systems category.

Job vacancy trend for Linux in the City of London

Linux
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for Linux in the City of London

Linux
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Linux in the City of London over the 3 months to 22 March 2017.

Contractor daily rate histogram for Linux in the City of London

Linux
Contractor Hourly Rate Trend in the City of London

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

Contractor hourly rate trend for Linux in the City of London

Linux
Top 30 Related IT Skills in the City of London

For the 6 months to 22 March 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 City of London region with a requirement for Linux.

1 210 (34.83%) DevOps
2 194 (32.17%) Python
3 190 (31.51%) Unix
4 187 (31.01%) Java
5 181 (30.02%) Finance
6 179 (29.68%) Agile Software Development
7 143 (23.71%) Windows
8 134 (22.22%) SQL
9 132 (21.89%) Puppet
10 113 (18.74%) Amazon AWS
11 109 (18.08%) Oracle
12 108 (17.91%) Bash Shell
13 105 (17.41%) Banking
14 101 (16.75%) Docker
15 97 (16.09%) Red Hat Enterprise Linux
16 95 (15.75%) Jenkins
16 95 (15.75%) Red Hat
17 94 (15.59%) Git (software)
18 90 (14.93%) Ansible
19 88 (14.59%) Continuous Integration
20 85 (14.10%) Perl
21 70 (11.61%) VMware
22 66 (10.95%) Configuration Management
23 64 (10.61%) Ruby
24 59 (9.78%) Firewall
25 56 (9.29%) JavaScript
25 56 (9.29%) C++
25 56 (9.29%) Big Data
26 55 (9.12%) Analytical Skills
26 55 (9.12%) JIRA

Linux
Top Related IT Skills in the City of 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 44 (7.30%) Tomcat
2 36 (5.97%) Apache
3 29 (4.81%) IIS
4 28 (4.64%) Confluence
5 23 (3.81%) Apache Spark
6 20 (3.32%) WebSphere
7 17 (2.82%) JBoss
8 16 (2.65%) OpenStack
9 15 (2.49%) WebLogic
10 12 (1.99%) Elasticsearch
11 10 (1.66%) nginx
12 6 (1.00%) Apache Pig
12 6 (1.00%) Mule
13 4 (0.66%) Oracle Coherence
14 3 (0.50%) CMS
14 3 (0.50%) IPython
14 3 (0.50%) Jupyter
15 2 (0.33%) BizTalk Server
15 2 (0.33%) Drupal
15 2 (0.33%) Oracle HTTP Server
Applications
1 12 (1.99%) MS Excel
2 4 (0.66%) MS Office
3 2 (0.33%) HipChat
4 1 (0.17%) MS PowerPoint
4 1 (0.17%) Spreadsheet
Business Applications
1 5 (0.83%) ION MarketView
2 2 (0.33%) Oracle Cash Management
2 2 (0.33%) RMDS
Cloud Services
1 113 (18.74%) Amazon AWS
2 25 (4.15%) Microsoft Azure
3 22 (3.65%) GitHub
4 20 (3.32%) Amazon EC2
5 19 (3.15%) IaaS
6 15 (2.49%) Virtual Private Cloud
7 13 (2.16%) AWS CloudFormation
7 13 (2.16%) Cloud Computing
7 13 (2.16%) SaaS
8 10 (1.66%) Amazon S3
9 9 (1.49%) Amazon EMR
10 8 (1.33%) PaaS
11 5 (0.83%) Google Cloud Platform
11 5 (0.83%) OpenShift
11 5 (0.83%) Slack
12 4 (0.66%) Amazon SQS
12 4 (0.66%) AWS Lambda
13 3 (0.50%) Amazon CloudWatch
14 2 (0.33%) Amazon ELB
14 2 (0.33%) Trello
Communications & Networking
1 59 (9.78%) Firewall
2 37 (6.14%) TCP/IP
3 26 (4.31%) HTTP
4 22 (3.65%) DNS
4 22 (3.65%) SSL
5 16 (2.65%) LDAP
5 16 (2.65%) SAN
6 14 (2.32%) Network Security
7 13 (2.16%) Internet
8 11 (1.82%) LAN
8 11 (1.82%) VPN
9 9 (1.49%) Kerberos
10 7 (1.16%) DHCP
10 7 (1.16%) Ethernet
11 6 (1.00%) Intrusion Detection
11 6 (1.00%) SSH
11 6 (1.00%) WAN
12 5 (0.83%) FTP
12 5 (0.83%) NAS
13 4 (0.66%) AMQP
Database & Business Intelligence
1 56 (9.29%) Big Data
2 45 (7.46%) SQL Server
3 44 (7.30%) MySQL
4 43 (7.13%) Hadoop
4 43 (7.13%) PostgreSQL
5 35 (5.80%) NoSQL
6 34 (5.64%) Relational Database
7 33 (5.47%) Oracle Database
8 28 (4.64%) MongoDB
9 25 (4.15%) Apache Cassandra
9 25 (4.15%) Apache Hive
10 15 (2.49%) Amazon RDS
11 13 (2.16%) HBase
11 13 (2.16%) KDB
11 13 (2.16%) RDBMS
12 9 (1.49%) Kdb+
12 9 (1.49%) MariaDB
13 8 (1.33%) Neo4j
13 8 (1.33%) SQL Server Analysis Services
13 8 (1.33%) Tick Data
Development Applications
1 95 (15.75%) Jenkins
2 94 (15.59%) Git (software)
3 55 (9.12%) JIRA
4 28 (4.64%) JUnit
5 25 (4.15%) Subversion
5 25 (4.15%) TeamCity
6 24 (3.98%) Cucumber
7 19 (3.15%) Maven
8 14 (2.32%) Mockito
9 12 (1.99%) Atlassian Bamboo
10 11 (1.82%) Selenium
11 10 (1.66%) Bitbucket
11 10 (1.66%) EasyMock
12 9 (1.49%) Sonatype Nexus
13 8 (1.33%) Hudson
14 7 (1.16%) Eclipse
14 7 (1.16%) Jasmine
14 7 (1.16%) Vagrant
15 5 (0.83%) Mocha
16 4 (0.66%) Mercurial
General
1 181 (30.02%) Finance
2 105 (17.41%) Banking
3 37 (6.14%) Front Office
4 31 (5.14%) Investment Banking
5 25 (4.15%) Financial Institution
6 9 (1.49%) Advertising
6 9 (1.49%) Telecoms
7 8 (1.33%) Retail
8 7 (1.16%) International Banking
8 7 (1.16%) Marketing
9 5 (0.83%) Back Office
9 5 (0.83%) Legal
10 3 (0.50%) Billing
11 2 (0.33%) Law
12 1 (0.17%) French Language
12 1 (0.17%) Private Banking
12 1 (0.17%) Publishing
12 1 (0.17%) Retail Banking
Job Titles
1 180 (29.85%) Developer
2 141 (23.38%) DevOps Engineer
3 73 (12.11%) Java Developer
4 55 (9.12%) Linux Engineer
5 50 (8.29%) Linux/Unix DevOps
6 49 (8.13%) Administrator
7 43 (7.13%) AWS DevOps
8 39 (6.47%) Analyst
9 38 (6.30%) Senior Developer
10 34 (5.64%) C++ Developer
11 31 (5.14%) AWS Engineer
12 27 (4.48%) Linux DevOps Engineer
13 26 (4.31%) Architect
13 26 (4.31%) Senior Java Developer
14 22 (3.65%) Senior DevOps
14 22 (3.65%) Systems Administrator
15 20 (3.32%) Unix Engineer
16 19 (3.15%) Java Engineer
16 19 (3.15%) Linux Administrator
17 18 (2.99%) Python Developer
Libraries, Frameworks & Software Standards
1 48 (7.96%) HTML
2 39 (6.47%) REST
3 36 (5.97%) Middleware
4 32 (5.31%) Web Services
5 30 (4.98%) CSS
6 29 (4.81%) XML
7 24 (3.98%) .NET
7 24 (3.98%) Node.js
8 23 (3.81%) Spring
9 22 (3.65%) JSON
10 21 (3.48%) AngularJS
10 21 (3.48%) Kafka
10 21 (3.48%) SOAP
11 20 (3.32%) LAMP
12 19 (3.15%) FIX Protocol
13 18 (2.99%) Hibernate
14 16 (2.65%) J2EE
15 15 (2.49%) JMS
16 13 (2.16%) Elastic Stack
16 13 (2.16%) jQuery
Miscellaneous
1 55 (9.12%) Analytical Skills
2 35 (5.80%) Equities
3 34 (5.64%) Foreign Exchange (FX)
4 32 (5.31%) Data Centre
5 29 (4.81%) Computer Science
6 25 (4.15%) Fintech
6 25 (4.15%) Fixed Income
7 20 (3.32%) Clustering
7 20 (3.32%) Derivative
8 17 (2.82%) Management Information System
9 15 (2.49%) Algorithms
9 15 (2.49%) Data Structures
10 11 (1.82%) User Experience
11 10 (1.66%) Client/Server
11 10 (1.66%) Linux Command Line
12 9 (1.49%) Public Cloud
13 8 (1.33%) Hedge funds
14 7 (1.16%) Mobile App
14 7 (1.16%) TWAP
14 7 (1.16%) VWAP
Operating Systems
1 190 (31.51%) Unix
2 143 (23.71%) Windows
3 97 (16.09%) Red Hat Enterprise Linux
4 43 (7.13%) CentOS
5 32 (5.31%) Windows Server
6 25 (4.15%) Solaris
7 17 (2.82%) Ubuntu
8 10 (1.66%) Mac OS X
9 8 (1.33%) Windows Server 2008
9 8 (1.33%) Windows Server 2012
10 7 (1.16%) CoreOS
10 7 (1.16%) Mac OS
10 7 (1.16%) SUSE
11 6 (1.00%) Android
12 5 (0.83%) AIX
12 5 (0.83%) Windows Server 2003
13 4 (0.66%) Debian
13 4 (0.66%) RancherOS
14 3 (0.50%) Oracle Linux
15 2 (0.33%) Apple iOS
Processes & Methodologies
1 210 (34.83%) DevOps
2 179 (29.68%) Agile Software Development
3 88 (14.59%) Continuous Integration
4 66 (10.95%) Configuration Management
5 54 (8.96%) Open Source
6 52 (8.62%) TDD
7 48 (7.96%) OO
8 42 (6.97%) Software Engineering
9 40 (6.63%) Multithreading
9 40 (6.63%) Scrum
10 38 (6.30%) Continuous Delivery
10 38 (6.30%) High Availability
11 37 (6.14%) E-Commerce
11 37 (6.14%) Low Latency
11 37 (6.14%) Microservices
12 32 (5.31%) ITIL
12 32 (5.31%) Migration
13 31 (5.14%) Electronic Trading
14 27 (4.48%) BDD
15 26 (4.31%) Analytics
Programming Languages
1 194 (32.17%) Python
2 187 (31.01%) Java
3 134 (22.22%) SQL
4 108 (17.91%) Bash Shell
5 85 (14.10%) Perl
6 64 (10.61%) Ruby
7 56 (9.29%) C++
7 56 (9.29%) JavaScript
8 54 (8.96%) Shell Script
9 45 (7.46%) PowerShell
10 30 (4.98%) C#
11 27 (4.48%) PL/SQL
12 26 (4.31%) C
12 26 (4.31%) PHP
13 16 (2.65%) Scala
14 12 (1.99%) Go
15 10 (1.66%) T-SQL
16 8 (1.33%) VBScript
17 6 (1.00%) Korn
18 5 (0.83%) Groovy
Qualifications
1 37 (6.14%) Security Cleared
2 35 (5.80%) Degree
3 26 (4.31%) SC Cleared
4 14 (2.32%) DV Cleared
5 11 (1.82%) CISSP
6 9 (1.49%) RHCE
7 8 (1.33%) Cisco Certification
7 8 (1.33%) GIAC
8 7 (1.16%) CCNA
8 7 (1.16%) SANS
9 6 (1.00%) CISM
10 5 (0.83%) CNA
10 5 (0.83%) GCIA
10 5 (0.83%) GCIH
10 5 (0.83%) ITIL Certification
10 5 (0.83%) Microsoft Certification
10 5 (0.83%) Network+ Certification
10 5 (0.83%) Novell Certification
11 4 (0.66%) CEH
11 4 (0.66%) RHCA
Quality Assurance & Compliance
1 25 (4.15%) QA
2 12 (1.99%) MiFID
3 10 (1.66%) SEPA
4 9 (1.49%) PCI DSS
5 5 (0.83%) ISO/IEC 27001
6 3 (0.50%) COBIT
6 3 (0.50%) PMO
6 3 (0.50%) SLA
7 2 (0.33%) Disclosure Scotland
7 2 (0.33%) Sarbanes-Oxley
8 1 (0.17%) Data Quality
8 1 (0.17%) ISO 9001
8 1 (0.17%) TARGET2
System Software
1 101 (16.75%) Docker
2 38 (6.30%) VMware Infrastructure
3 32 (5.31%) Active Directory
4 16 (2.65%) HDFS
5 14 (2.32%) Hyper-V
6 6 (1.00%) Oracle RAC
6 6 (1.00%) vCloud
7 5 (0.83%) NFS
7 5 (0.83%) Veritas Cluster Server
7 5 (0.83%) Virtual Machines
8 4 (0.66%) etcd
8 4 (0.66%) flannel
8 4 (0.66%) VMware ESX
8 4 (0.66%) vSphere
8 4 (0.66%) Xen
8 4 (0.66%) XenApp
9 3 (0.50%) Apache ZooKeeper
9 3 (0.50%) GlusterFS
9 3 (0.50%) Shibboleth
10 2 (0.33%) GFS2
Systems Management
1 132 (21.89%) Puppet
2 90 (14.93%) Ansible
3 54 (8.96%) Opscode Chef
4 29 (4.81%) Kubernetes
5 20 (3.32%) Nagios
5 20 (3.32%) Terraform
6 14 (2.32%) Docker Swarm
7 13 (2.16%) Control-M
8 10 (1.66%) Kibana
9 9 (1.49%) Host Intrusion Detection System
9 9 (1.49%) Mesos
10 8 (1.33%) Grafana
10 8 (1.33%) logstash
10 8 (1.33%) NetBackup
10 8 (1.33%) Rancher
10 8 (1.33%) Red Hat Spacewalk
11 7 (1.16%) Hadoop YARN
12 6 (1.00%) Cobbler
12 6 (1.00%) Red Hat Satellite
12 6 (1.00%) SELinux
Vendors
1 109 (18.08%) Oracle
2 95 (15.75%) Red Hat
3 70 (11.61%) VMware
4 31 (5.14%) Cisco
5 29 (4.81%) Atlassian
6 28 (4.64%) Microsoft
7 20 (3.32%) HP
8 18 (2.99%) Splunk
9 16 (2.65%) IBM
10 14 (2.32%) Citrix
10 14 (2.32%) Sybase
11 13 (2.16%) WorldPay
12 11 (1.82%) Bloomberg
12 11 (1.82%) Hortonworks
12 11 (1.82%) TIBCO
12 11 (1.82%) Veritas
13 10 (1.66%) Dell
14 9 (1.49%) Google
14 9 (1.49%) Reuters
15 8 (1.33%) Sun
City, London
Oliver Bernard
Rate: £550 - £650 per day + FINANCE
Posted: Yesterday
City of London
Arrows Group Ltd
Rate: £500 - £600 per day
Posted: Yesterday
City, London
Hatstand Limited
Rate: £400 - £500 per day
Posted: 14 hours ago
City, London
Harrington Starr
Rate: £550 - £625 per day
Posted: Yesterday
City, London
Parallel Consulting
Posted: Yesterday
City, London
Linux Recruit
Rate: £300 - £350 per day
Posted: 2 days ago
City, London
TEKsystems
Rate: £525 - £575 per day
Posted: Yesterday
City, London
Hatstand Limited
Rate: £400 - £550 per annum
Posted: Yesterday
City, London
Harrington Starr
Rate: £400 - £550 per day
Posted: Yesterday
City, London
Intrinsic Recruitment Ltd
Rate: Market Rates + Bonus & Benefits
Posted: 2 days ago
City, London
TEKsystems
Rate: £525 - £575 per day
Posted: 2 days ago
City, London
Talent International
Rate: £500 - £600 per annum
Posted: Yesterday
City, London
Harvey Nash plc
Rate: £400 - £450 per day
Posted: Yesterday
City, London
Hatstand Limited
Rate: £500 - £650 per week
Posted: Yesterday
City, London
TEKsystems
Rate: £425 - £450 per day
Posted: Yesterday
City, London
Oliver Bernard
Rate: £400 - £500 per annum
Posted: 5 days ago
City, London
Michael Bailey Associates
Rate: market rates
Posted: 6 days ago
City, London
Salt
Rate: £400.00 - £500.00 per day
Posted: 6 days ago
City, London
Digital Gurus
Rate: £500 - £600 Per Day
Posted: 9 days ago
City, London
TEKsystems
Rate: £600 - £700 per day
Posted: 6 days ago
City, London
Talent International
Rate: £350 - £500 per day
Posted: 2 days ago
City of London
Venturi
Rate: £1 per day
Posted: 7 days ago