Period
to 14 November 2018

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 6 months to 14 November 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
Central London > City of London
6 months to
14 Nov 2018
Same period 2017 Same period 2016
Rank 22 18 13
Rank change year-on-year -4 -5 +2
Contract jobs citing Linux 539 607 652
As % of all contract IT jobs advertised in the City of London 7.63% 8.50% 9.75%
As % of the Operating Systems category 36.72% 42.54% 46.24%
Number of daily rates quoted 425 519 537
City of London median daily rate £550 £525 £500
Median daily rate % change year-on-year +4.76% +5.00% +5.26%
10th Percentile £400 £385 £363
90th Percentile £675 £745 £655
Central London median daily rate £550 £525 £475
% change year-on-year +4.76% +10.53% -
Number of hourly rates quoted 1 0 5
City of London median hourly rate £22.50 - £27.50
10th Percentile £21.25 - £24.60
90th Percentile £23.75 - £28.75
Central London median hourly rate £22.50 - £27.50

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 the City of London with a requirement for operating system skills.

All Operating Systems
City of London
Contract vacancies with a requirement for operating system skills 1,468 1,427 1,410
As % of all contract IT jobs advertised in the City of London 20.78% 19.98% 21.08%
Number of daily rates quoted 1,123 1,129 1,113
City of London median daily rate £475 £475 £463
Median daily rate % change year-on-year - +2.70% +8.19%
10th Percentile £157 £218 £275
90th Percentile £638 £675 £625
Central London median daily rate £475 £475 £450
% change year-on-year - +5.56% +5.88%
Number of hourly rates quoted 75 47 32
City of London median hourly rate £18.70 £16.92 £19.00
Median hourly rate % change year-on-year +10.55% -10.97% -
10th Percentile £13.40 £11.25 £11.25
90th Percentile £24.14 £26.45 £33.25
Central London median hourly rate £18.70 £17.00 £17.50
% change year-on-year +10.00% -2.86% -2.78%

Linux
Job Vacancy Trend in the City of London

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

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 6 months to 14 November 2018.

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 contractor hourly rates quoted in IT jobs citing Linux in the City of London.

Contractor hourly rate trend for Linux in the City of London

Linux
Contract Job Locations in the City of 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 City of London region over the 6 months to 14 November 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
London Bridge -16 38 £575 +70.37%
Moorgate - 23 £550 -
Linux
Central London

For the 6 months to 14 November 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 across the City of London region with a requirement for Linux.

1 198 (36.73%) DevOps
2 196 (36.36%) Finance
3 189 (35.06%) Amazon AWS
4 175 (32.47%) Agile Software Development
5 167 (30.98%) Java
6 160 (29.68%) Docker
7 139 (25.79%) Python
8 133 (24.68%) Unix
9 112 (20.78%) Windows
10 111 (20.59%) Terraform
11 110 (20.41%) Kubernetes
12 99 (18.37%) Ansible
13 92 (17.07%) SQL
13 92 (17.07%) Red Hat Enterprise Linux
14 86 (15.96%) Git (software)
15 85 (15.77%) Jenkins
16 78 (14.47%) Red Hat
16 78 (14.47%) Bash Shell
17 76 (14.10%) Banking
18 73 (13.54%) JavaScript
19 70 (12.99%) TDD
19 70 (12.99%) MongoDB
20 69 (12.80%) Microsoft Azure
21 68 (12.62%) Kafka
22 67 (12.43%) Windows Server
23 66 (12.24%) Opscode Chef
24 65 (12.06%) Microservices
25 59 (10.95%) Puppet
26 56 (10.39%) Continuous Integration
27 54 (10.02%) HTML

Linux
Co-occurring 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 46 (8.53%) Apache
2 42 (7.79%) Apache Spark
2 42 (7.79%) Elasticsearch
3 27 (5.01%) JBoss
4 25 (4.64%) Confluence
5 20 (3.71%) WebLogic
6 9 (1.67%) CMS
6 9 (1.67%) IPython
6 9 (1.67%) Tomcat
7 7 (1.30%) MS Exchange
8 6 (1.11%) OpenStack
9 5 (0.93%) WebSphere
10 4 (0.74%) Cloud Foundry
10 4 (0.74%) Drupal
10 4 (0.74%) IIS
10 4 (0.74%) nginx
10 4 (0.74%) WordPress
11 3 (0.56%) Apache Airflow
11 3 (0.56%) Apache Solr
11 3 (0.56%) Skype for Business
Applications
1 11 (2.04%) Microsoft Office
2 6 (1.11%) Microsoft Excel
3 3 (0.56%) MS Visio
4 2 (0.37%) Microsoft PowerPoint
4 2 (0.37%) Microsoft Project
5 1 (0.19%) Spreadsheet
Business Applications
1 11 (2.04%) Salesforce.com CRM
2 9 (1.67%) ION MarketView
3 2 (0.37%) Sentinel
4 1 (0.19%) Bloomberg TOMS
4 1 (0.19%) BusinessWorks
4 1 (0.19%) Kondor
4 1 (0.19%) Markit EDM
4 1 (0.19%) Oracle BPM
4 1 (0.19%) Oracle Cash Management
4 1 (0.19%) SunGard Martini
4 1 (0.19%) Temenos T24
4 1 (0.19%) thinkFolio
Cloud Services
1 189 (35.06%) Amazon AWS
2 69 (12.80%) Microsoft Azure
3 34 (6.31%) GitHub
4 27 (5.01%) Google Cloud Platform
5 24 (4.45%) AWS CloudFormation
5 24 (4.45%) Heroku
6 21 (3.90%) Amazon EC2
7 18 (3.34%) SaaS
8 14 (2.60%) IaaS
8 14 (2.60%) Serverless
9 13 (2.41%) Amazon S3
9 13 (2.41%) AWS Lambda
9 13 (2.41%) PaaS
10 12 (2.23%) Cloud Computing
11 10 (1.86%) OpenShift
12 9 (1.67%) Datadog
13 7 (1.30%) Virtual Private Cloud
14 6 (1.11%) Amazon ELB
14 6 (1.11%) Amazon EMR
14 6 (1.11%) Office 365
Communications & Networking
1 44 (8.16%) DNS
2 39 (7.24%) HTTP
3 35 (6.49%) TCP/IP
4 31 (5.75%) SSL
5 27 (5.01%) Firewall
6 24 (4.45%) FTP
7 15 (2.78%) Internet
8 9 (1.67%) DHCP
8 9 (1.67%) VPN
9 8 (1.48%) SAN
10 7 (1.30%) WAN
11 6 (1.11%) AMQP
11 6 (1.11%) Kerberos
11 6 (1.11%) LAN
12 5 (0.93%) NAS
13 4 (0.74%) Junos
13 4 (0.74%) MQTT
13 4 (0.74%) Skype
14 3 (0.56%) Network Security
14 3 (0.56%) SSH
Database & Business Intelligence
1 70 (12.99%) MongoDB
2 54 (10.02%) SQL Server
3 40 (7.42%) Relational Database
4 39 (7.24%) Hadoop
5 36 (6.68%) NoSQL
6 33 (6.12%) MySQL
7 30 (5.57%) Big Data
8 27 (5.01%) Apache Cassandra
8 27 (5.01%) PostgreSQL
9 15 (2.78%) Redis
10 9 (1.67%) Amazon RDS
10 9 (1.67%) Apache Hive
11 7 (1.30%) Apache Kudu
11 7 (1.30%) HBase
12 6 (1.11%) Couchbase
12 6 (1.11%) Data Warehouse
12 6 (1.11%) Impala
13 5 (0.93%) Amazon DynamoDB
14 4 (0.74%) Neo4j
14 4 (0.74%) Presto
Development Applications
1 86 (15.96%) Git (software)
2 85 (15.77%) Jenkins
3 43 (7.98%) JIRA
4 36 (6.68%) GitLab
5 32 (5.94%) Cucumber
6 26 (4.82%) Gradle
7 22 (4.08%) gulp
7 22 (4.08%) Subversion
8 19 (3.53%) Maven
8 19 (3.53%) Selenium
9 18 (3.34%) JUnit
10 16 (2.97%) Atlassian Bamboo
11 15 (2.78%) TeamCity
12 14 (2.60%) Mockito
13 9 (1.67%) Bitbucket
13 9 (1.67%) jMock
13 9 (1.67%) Octopus Deploy
14 8 (1.48%) JIRA Agile
15 7 (1.30%) Geb
15 7 (1.30%) Spock
General
1 196 (36.36%) Finance
2 76 (14.10%) Banking
3 41 (7.61%) Front Office
4 20 (3.71%) Investment Banking
5 14 (2.60%) Advertising
6 13 (2.41%) Retail Banking
7 11 (2.04%) Financial Institution
7 11 (2.04%) Publishing
7 11 (2.04%) Telecoms
8 8 (1.48%) Back Office
9 5 (0.93%) Retail
10 4 (0.74%) Law
11 3 (0.56%) Legal
12 2 (0.37%) Marketing
13 1 (0.19%) Electronics
13 1 (0.19%) Games
13 1 (0.19%) International Banking
13 1 (0.19%) Mandarin Language
13 1 (0.19%) Manufacturing
Job Titles
1 158 (29.31%) DevOps Engineer
2 156 (28.94%) Developer
3 82 (15.21%) Java Developer
4 67 (12.43%) Linux Engineer
5 49 (9.09%) AWS DevOps
5 49 (9.09%) AWS Engineer
6 45 (8.35%) Linux/Unix DevOps
7 44 (8.16%) AWS DevOps Engineer
8 40 (7.42%) Linux DevOps Engineer
9 39 (7.24%) Senior Developer
10 33 (6.12%) Senior Java Developer
11 32 (5.94%) Azure Engineer
12 31 (5.75%) Azure DevOps
12 31 (5.75%) Azure DevOps Engineer
13 27 (5.01%) Analyst
14 20 (3.71%) Administrator
15 18 (3.34%) Support Analyst
16 17 (3.15%) Architect
16 17 (3.15%) Python Developer
17 14 (2.60%) Systems Administrator
Libraries, Frameworks & Software Standards
1 68 (12.62%) Kafka
2 54 (10.02%) HTML
3 45 (8.35%) Spring
4 41 (7.61%) CSS
5 40 (7.42%) REST
6 39 (7.24%) .NET
6 39 (7.24%) AngularJS
6 39 (7.24%) Node.js
7 38 (7.05%) Web Services
8 37 (6.86%) HTML5
9 28 (5.19%) Dropwizard
10 27 (5.01%) JMS
10 27 (5.01%) SOAP
11 26 (4.82%) X-Windows
12 24 (4.45%) Middleware
12 24 (4.45%) OAuth
13 23 (4.27%) OAuth2
13 23 (4.27%) Spring Boot
14 22 (4.08%) Elastic Stack
14 22 (4.08%) Guice
Miscellaneous
1 36 (6.68%) Greenfield Project
2 30 (5.57%) Foreign Exchange (FX)
3 29 (5.38%) Linux Command Line
4 25 (4.64%) Cloud Native
5 20 (3.71%) Analytical Skills
6 19 (3.53%) Hedge funds
7 17 (3.15%) Data Centre
8 16 (2.97%) Data Structures
8 16 (2.97%) User Experience
9 15 (2.78%) Algorithms
9 15 (2.78%) Computer Science
10 14 (2.60%) Fixed Income
11 13 (2.41%) Client/Server
12 12 (2.23%) Device Driver
12 12 (2.23%) Fintech
13 9 (1.67%) Equities
14 6 (1.11%) Private Cloud
14 6 (1.11%) Public Cloud
15 5 (0.93%) Mobile App
15 5 (0.93%) Video\Live Streaming
Operating Systems
1 133 (24.68%) Unix
2 112 (20.78%) Windows
3 92 (17.07%) Red Hat Enterprise Linux
4 67 (12.43%) Windows Server
5 27 (5.01%) CentOS
6 23 (4.27%) Ubuntu
7 13 (2.41%) Solaris
8 9 (1.67%) Windows Server 2008
9 7 (1.30%) SUSE Linux Enterprise Server
9 7 (1.30%) Windows Server 2012
10 6 (1.11%) Mac OS X
11 5 (0.93%) Windows 7
12 4 (0.74%) Mac OS
12 4 (0.74%) Oracle Linux
12 4 (0.74%) Windows 10
13 2 (0.37%) AIX
13 2 (0.37%) Apple iOS
13 2 (0.37%) Mesosphere
13 2 (0.37%) SUSE
13 2 (0.37%) Windows 8
Processes & Methodologies
1 198 (36.73%) DevOps
2 175 (32.47%) Agile Software Development
3 70 (12.99%) TDD
4 65 (12.06%) Microservices
5 56 (10.39%) Continuous Integration
6 53 (9.83%) Continuous Delivery
7 45 (8.35%) Test Automation
8 41 (7.61%) Deployment Automation
9 39 (7.24%) BDD
9 39 (7.24%) Configuration Management
10 38 (7.05%) OO
11 35 (6.49%) Open Source
12 33 (6.12%) Software Engineering
13 29 (5.38%) Domain-Driven Design
14 28 (5.19%) High Availability
14 28 (5.19%) Migration
15 27 (5.01%) Electronic Trading
15 27 (5.01%) SDLC
15 27 (5.01%) Site Reliability Engineering
16 25 (4.64%) Problem-Solving
Programming Languages
1 167 (30.98%) Java
2 139 (25.79%) Python
3 92 (17.07%) SQL
4 78 (14.47%) Bash Shell
5 73 (13.54%) JavaScript
6 44 (8.16%) Ruby
7 40 (7.42%) Java 8
8 33 (6.12%) C#
8 33 (6.12%) C++
9 31 (5.75%) Perl
9 31 (5.75%) TypeScript
10 30 (5.57%) Shell Script
11 28 (5.19%) Go
12 24 (4.45%) ES6
13 21 (3.90%) PowerShell
14 19 (3.53%) PHP
15 15 (2.78%) Scala
16 12 (2.23%) C
17 10 (1.86%) Groovy
18 9 (1.67%) Cython
Qualifications
1 15 (2.78%) Security Cleared
2 14 (2.60%) Degree
3 11 (2.04%) SC Cleared
4 10 (1.86%) Microsoft Certification
5 6 (1.11%) CISSP
5 6 (1.11%) MCSA
6 5 (0.93%) AWS Certification
7 4 (0.74%) BPSS Clearance
7 4 (0.74%) Computer Science Degree
7 4 (0.74%) MCSE
8 3 (0.56%) CISA
8 3 (0.56%) CISM
8 3 (0.56%) RHCE
9 2 (0.37%) A+ Certification
9 2 (0.37%) CCNA
9 2 (0.37%) CEH
9 2 (0.37%) Cisco Certification
9 2 (0.37%) CISMP
9 2 (0.37%) ISSMP
9 2 (0.37%) MCP
Quality Assurance & Compliance
1 14 (2.60%) QA
2 6 (1.11%) ISO/IEC 27001
3 3 (0.56%) GDPR
3 3 (0.56%) MiFID
4 2 (0.37%) Data Quality
4 2 (0.37%) FedRAMP
4 2 (0.37%) HIPAA
4 2 (0.37%) Sarbanes-Oxley
4 2 (0.37%) SEPA
4 2 (0.37%) SLA
5 1 (0.19%) Cyber Essentials
5 1 (0.19%) FISMA
5 1 (0.19%) PCI DSS
System Software
1 160 (29.68%) Docker
2 48 (8.91%) Active Directory
3 21 (3.90%) VMware Infrastructure
4 12 (2.23%) HDFS
5 8 (1.48%) VirtualBox
6 7 (1.30%) vSphere
7 4 (0.74%) VMware ESXi
8 3 (0.56%) Apache ZooKeeper
8 3 (0.56%) Virtual Machines
8 3 (0.56%) Virtual Servers
8 3 (0.56%) VMware NSX
8 3 (0.56%) XenApp
9 2 (0.37%) Apache Flume
9 2 (0.37%) Hyper-V
9 2 (0.37%) Varnish
9 2 (0.37%) XenServer
10 1 (0.19%) etcd
10 1 (0.19%) KVM
10 1 (0.19%) pfSense
10 1 (0.19%) vCloud
Systems Management
1 111 (20.59%) Terraform
2 110 (20.41%) Kubernetes
3 99 (18.37%) Ansible
4 66 (12.24%) Opscode Chef
5 59 (10.95%) Puppet
6 25 (4.64%) Docker Swarm
7 24 (4.45%) Nagios
8 23 (4.27%) Grafana
9 21 (3.90%) Prometheus
10 14 (2.60%) Kibana
11 13 (2.41%) Icinga
12 11 (2.04%) logstash
13 7 (1.30%) Hadoop YARN
13 7 (1.30%) Mesos
13 7 (1.30%) SCCM
14 6 (1.11%) Consul
14 6 (1.11%) Packer
15 5 (0.93%) Single Sign-On
15 5 (0.93%) systemd
16 4 (0.74%) Graphite
Vendors
1 78 (14.47%) Red Hat
2 40 (7.42%) Oracle
3 37 (6.86%) Google
4 33 (6.12%) Microsoft
5 32 (5.94%) VMware
6 30 (5.57%) Splunk
7 24 (4.45%) Sybase
8 20 (3.71%) TIBCO
9 16 (2.97%) Cisco
10 14 (2.60%) Atlassian
11 13 (2.41%) Salesforce.com
12 11 (2.04%) Citrix
13 10 (1.86%) IBM
14 9 (1.67%) Hortonworks
14 9 (1.67%) ION Trading
15 8 (1.48%) HP
15 8 (1.48%) New Relic
16 7 (1.30%) AppDynamics
16 7 (1.30%) EMC
16 7 (1.30%) Juniper