Period
to 20 September 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 20 September 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
20 Sep 2018
Same period 2017 Same period 2016
Rank 22 16 12
Rank change year-on-year -6 -4 +6
Contract jobs citing Linux 537 582 685
As % of all contract IT jobs advertised in the City of London 7.68% 8.58% 10.02%
As % of the Operating Systems category 37.68% 42.95% 47.37%
Number of daily rates quoted 440 473 579
City of London median daily rate £525 £525 £490
Median daily rate % change year-on-year - +7.14% +6.23%
10th Percentile £393 £363 £363
90th Percentile £700 £675 £650
Central London median daily rate £525 £525 £475
% change year-on-year - +10.53% +5.56%
Number of hourly rates quoted 3 0 4
City of London median hourly rate £32.00 - £27.50
10th Percentile £23.20 - £26.25
90th Percentile £33.00 - £28.75
Central London median hourly rate £32.00 - £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 1,425 1,355 1,446
As % of all contract IT jobs advertised in the City of London 20.39% 19.97% 21.16%
Number of daily rates quoted 1,088 1,045 1,176
City of London median daily rate £488 £475 £475
Median daily rate % change year-on-year +2.63% - +11.76%
10th Percentile £182 £213 £275
90th Percentile £650 £654 £625
Central London median daily rate £475 £475 £463
% change year-on-year - +2.70% +8.82%
Number of hourly rates quoted 76 49 31
City of London median hourly rate £18.70 £17.00 £19.00
Median hourly rate % change year-on-year +10.00% -10.53% +3.54%
10th Percentile £13.50 £11.66 £11.25
90th Percentile £24.75 £28.00 £28.75
Central London median hourly rate £18.70 £17.75 £17.50
% change year-on-year +5.35% +1.43% -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 20 September 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 20 September 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 -18 17 £500 +48.15%
Moorgate - 5 £550 -
Linux
Central London

For the 6 months to 20 September 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.

1 214 (39.85%) Amazon AWS
2 212 (39.48%) Agile Software Development
3 194 (36.13%) Java
4 187 (34.82%) Docker
5 181 (33.71%) DevOps
6 163 (30.35%) Finance
7 162 (30.17%) Python
8 139 (25.88%) Unix
9 123 (22.91%) Jenkins
10 109 (20.30%) Git (software)
11 107 (19.93%) Ansible
12 101 (18.81%) Kubernetes
13 96 (17.88%) Windows
13 96 (17.88%) JavaScript
14 91 (16.95%) MongoDB
15 90 (16.76%) Bash Shell
15 90 (16.76%) Terraform
16 87 (16.20%) Kafka
17 85 (15.83%) SQL
18 83 (15.46%) Puppet
19 80 (14.90%) Banking
20 79 (14.71%) TDD
21 74 (13.78%) Continuous Integration
22 73 (13.59%) Red Hat
23 65 (12.10%) Microservices
24 63 (11.73%) Red Hat Enterprise Linux
25 62 (11.55%) Microsoft Azure
25 62 (11.55%) Configuration Management
25 62 (11.55%) HTML
26 60 (11.17%) AngularJS

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 51 (9.50%) Apache Spark
2 45 (8.38%) Apache
3 41 (7.64%) Elasticsearch
4 23 (4.28%) Confluence
5 19 (3.54%) JBoss
6 16 (2.98%) Tomcat
7 12 (2.23%) WebLogic
8 10 (1.86%) CMS
8 10 (1.86%) OpenStack
9 9 (1.68%) nginx
10 7 (1.30%) Apache Solr
10 7 (1.30%) Cloud Foundry
10 7 (1.30%) IIS
11 6 (1.12%) MS Exchange
11 6 (1.12%) WebSphere
12 5 (0.93%) Drupal
13 4 (0.74%) Jupyter
13 4 (0.74%) Oracle SOA Suite
14 3 (0.56%) Jetty
14 3 (0.56%) Skype for Business
Applications
1 11 (2.05%) Microsoft Office
2 6 (1.12%) Microsoft Excel
3 2 (0.37%) Microsoft PowerPoint
3 2 (0.37%) Microsoft Project
3 2 (0.37%) Spreadsheet
4 1 (0.19%) MS Visio
Business Applications
1 14 (2.61%) ION MarketView
2 11 (2.05%) Salesforce.com CRM
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%) RMDS
4 1 (0.19%) SunGard Martini
4 1 (0.19%) Temenos T24
4 1 (0.19%) thinkFolio
Cloud Services
1 214 (39.85%) Amazon AWS
2 62 (11.55%) Microsoft Azure
3 54 (10.06%) GitHub
4 35 (6.52%) Heroku
5 32 (5.96%) Amazon EC2
6 29 (5.40%) AWS CloudFormation
7 25 (4.66%) Google Cloud Platform
8 24 (4.47%) Amazon S3
9 22 (4.10%) PaaS
10 20 (3.72%) AWS Lambda
10 20 (3.72%) Serverless
11 18 (3.35%) IaaS
11 18 (3.35%) Virtual Private Cloud
12 17 (3.17%) Route 53
12 17 (3.17%) SaaS
13 15 (2.79%) Amazon CloudWatch
13 15 (2.79%) CloudFront
14 14 (2.61%) Amazon ELB
14 14 (2.61%) OpenShift
15 13 (2.42%) Cloud Computing
Communications & Networking
1 58 (10.80%) DNS
2 53 (9.87%) TCP/IP
3 46 (8.57%) HTTP
3 46 (8.57%) SSL
4 36 (6.70%) FTP
5 32 (5.96%) Firewall
6 12 (2.23%) Internet
7 9 (1.68%) AMQP
7 9 (1.68%) SAN
7 9 (1.68%) VPN
8 7 (1.30%) DHCP
8 7 (1.30%) LAN
8 7 (1.30%) NAS
9 6 (1.12%) Network Security
10 5 (0.93%) Kerberos
10 5 (0.93%) Software-Defined Networking
10 5 (0.93%) WAN
11 4 (0.74%) Junos
11 4 (0.74%) MQTT
11 4 (0.74%) Skype
Database & Business Intelligence
1 91 (16.95%) MongoDB
2 48 (8.94%) NoSQL
2 48 (8.94%) SQL Server
3 43 (8.01%) PostgreSQL
4 40 (7.45%) MySQL
5 38 (7.08%) Hadoop
6 36 (6.70%) Relational Database
7 33 (6.15%) Big Data
8 28 (5.21%) Apache Cassandra
9 24 (4.47%) Redis
10 22 (4.10%) Amazon RDS
11 14 (2.61%) Apache Hive
12 13 (2.42%) HBase
13 8 (1.49%) KDB
14 7 (1.30%) Couchbase
15 6 (1.12%) Oracle Database
16 5 (0.93%) DB2
17 4 (0.74%) Blockchain
17 4 (0.74%) Data Warehouse
17 4 (0.74%) RDBMS
Development Applications
1 123 (22.91%) Jenkins
2 109 (20.30%) Git (software)
3 44 (8.19%) GitLab
4 39 (7.26%) JIRA
5 32 (5.96%) Gradle
6 31 (5.77%) Cucumber
7 28 (5.21%) Selenium
8 23 (4.28%) gulp
9 19 (3.54%) JUnit
10 17 (3.17%) Maven
11 13 (2.42%) Atlassian Bamboo
11 13 (2.42%) TeamCity
12 12 (2.23%) Mockito
12 12 (2.23%) Sonatype Nexus
13 10 (1.86%) Subversion
14 9 (1.68%) Gatling
14 9 (1.68%) Geb
14 9 (1.68%) IntelliJ
14 9 (1.68%) Spock
15 8 (1.49%) JIRA Agile
General
1 163 (30.35%) Finance
2 80 (14.90%) Banking
3 50 (9.31%) Front Office
4 24 (4.47%) Investment Banking
5 16 (2.98%) Financial Institution
6 15 (2.79%) Advertising
7 12 (2.23%) Back Office
8 11 (2.05%) Telecoms
9 9 (1.68%) Publishing
10 5 (0.93%) Retail Banking
11 4 (0.74%) Mandarin Language
11 4 (0.74%) Retail
12 3 (0.56%) Legal
12 3 (0.56%) Marketing
13 2 (0.37%) Cantonese Language
13 2 (0.37%) French Language
13 2 (0.37%) German Language
13 2 (0.37%) Italian Language
13 2 (0.37%) Japanese Language
13 2 (0.37%) Law
Job Titles
1 164 (30.54%) Developer
2 136 (25.33%) DevOps Engineer
3 84 (15.64%) Java Developer
4 48 (8.94%) Linux Engineer
5 47 (8.75%) Senior Developer
6 39 (7.26%) AWS Engineer
7 38 (7.08%) Senior Java Developer
8 32 (5.96%) AWS DevOps
9 30 (5.59%) AWS DevOps Engineer
10 29 (5.40%) Analyst
11 24 (4.47%) Linux/Unix DevOps
12 23 (4.28%) Linux DevOps Engineer
13 20 (3.72%) Cloud Engineer
14 18 (3.35%) Support Analyst
15 17 (3.17%) Architect
15 17 (3.17%) Full Stack Developer
16 16 (2.98%) Administrator
16 16 (2.98%) Python Developer
17 15 (2.79%) Platform Engineer
18 13 (2.42%) Agile Java Developer
Libraries, Frameworks & Software Standards
1 87 (16.20%) Kafka
2 62 (11.55%) HTML
3 60 (11.17%) AngularJS
4 57 (10.61%) REST
5 49 (9.12%) HTML5
5 49 (9.12%) Node.js
6 48 (8.94%) CSS
7 43 (8.01%) Spring
7 43 (8.01%) Web Services
8 40 (7.45%) SOAP
9 36 (6.70%) OAuth
10 35 (6.52%) OAuth2
11 30 (5.59%) Dropwizard
12 29 (5.40%) .NET
13 28 (5.21%) JMS
13 28 (5.21%) React
14 26 (4.84%) Guice
14 26 (4.84%) Middleware
15 25 (4.66%) Ratpack
16 24 (4.47%) Spring Boot
Miscellaneous
1 33 (6.15%) Linux Command Line
2 32 (5.96%) Analytical Skills
3 26 (4.84%) Fintech
3 26 (4.84%) Foreign Exchange (FX)
4 23 (4.28%) Device Driver
4 23 (4.28%) Greenfield Project
5 18 (3.35%) Fixed Income
6 17 (3.17%) User Experience
7 15 (2.79%) Hedge funds
8 14 (2.61%) Cloud Native
8 14 (2.61%) Computer Science
9 13 (2.42%) Data Centre
10 11 (2.05%) Equities
11 10 (1.86%) Algorithms
11 10 (1.86%) Credit Risk
12 9 (1.68%) Public Cloud
13 7 (1.30%) Data Structures
13 7 (1.30%) Virtual Team
14 6 (1.12%) Replication
15 5 (0.93%) Video\Live Streaming
Operating Systems
1 139 (25.88%) Unix
2 96 (17.88%) Windows
3 63 (11.73%) Red Hat Enterprise Linux
4 46 (8.57%) CentOS
4 46 (8.57%) Ubuntu
5 45 (8.38%) Windows Server
6 13 (2.42%) Solaris
7 11 (2.05%) Windows Server 2012
8 10 (1.86%) Windows Server 2008
9 7 (1.30%) Mac OS X
10 5 (0.93%) Oracle Linux
10 5 (0.93%) SUSE Linux Enterprise Server
11 4 (0.74%) AIX
11 4 (0.74%) CoreOS
11 4 (0.74%) DC/OS
11 4 (0.74%) Mac OS
11 4 (0.74%) Windows 10
11 4 (0.74%) Windows 7
12 2 (0.37%) Debian
12 2 (0.37%) SUSE
Processes & Methodologies
1 212 (39.48%) Agile Software Development
2 181 (33.71%) DevOps
3 79 (14.71%) TDD
4 74 (13.78%) Continuous Integration
5 65 (12.10%) Microservices
6 62 (11.55%) Configuration Management
7 57 (10.61%) Test Automation
8 40 (7.45%) BDD
8 40 (7.45%) Continuous Delivery
9 39 (7.26%) Open Source
10 38 (7.08%) Site Reliability Engineering
11 37 (6.89%) Software Engineering
12 36 (6.70%) High Availability
13 35 (6.52%) OWASP
14 33 (6.15%) Electronic Trading
15 32 (5.96%) Deployment Automation
15 32 (5.96%) Domain-Driven Design
16 28 (5.21%) Migration
17 26 (4.84%) OO
18 25 (4.66%) Problem-Solving
Programming Languages
1 194 (36.13%) Java
2 162 (30.17%) Python
3 96 (17.88%) JavaScript
4 90 (16.76%) Bash Shell
5 85 (15.83%) SQL
6 59 (10.99%) Ruby
7 55 (10.24%) Java 8
8 44 (8.19%) Go
9 37 (6.89%) TypeScript
10 36 (6.70%) Shell Script
11 33 (6.15%) ES6
12 27 (5.03%) C++
12 27 (5.03%) Perl
13 26 (4.84%) C#
14 19 (3.54%) PowerShell
15 18 (3.35%) PHP
15 18 (3.35%) Scala
16 16 (2.98%) Groovy
17 15 (2.79%) C
18 10 (1.86%) R
Qualifications
1 23 (4.28%) Security Cleared
2 17 (3.17%) SC Cleared
3 13 (2.42%) Degree
4 9 (1.68%) CISSP
5 7 (1.30%) AWS Certification
5 7 (1.30%) Microsoft Certification
6 5 (0.93%) CEH
6 5 (0.93%) CISM
7 4 (0.74%) Computer Science Degree
7 4 (0.74%) MCSA
7 4 (0.74%) RHCE
7 4 (0.74%) SANS
8 3 (0.56%) CCNA
8 3 (0.56%) CISA
8 3 (0.56%) Cisco Certification
8 3 (0.56%) MCSE
9 2 (0.37%) A+ Certification
9 2 (0.37%) CISMP
9 2 (0.37%) ISSMP
9 2 (0.37%) MCP
Quality Assurance & Compliance
1 14 (2.61%) QA
2 12 (2.23%) GCP
3 5 (0.93%) ISO/IEC 27001
4 4 (0.74%) GDPR
5 3 (0.56%) MiFID
6 2 (0.37%) Data Quality
6 2 (0.37%) FedRAMP
6 2 (0.37%) SLA
7 1 (0.19%) Cyber Essentials
7 1 (0.19%) FISMA
7 1 (0.19%) HIPAA
7 1 (0.19%) PCI DSS
7 1 (0.19%) Sarbanes-Oxley
7 1 (0.19%) SEPA
7 1 (0.19%) TARGET2
System Software
1 187 (34.82%) Docker
2 32 (5.96%) Active Directory
3 24 (4.47%) VMware Infrastructure
4 12 (2.23%) HDFS
5 11 (2.05%) VirtualBox
6 9 (1.68%) VMware ESXi
7 8 (1.49%) Apache ZooKeeper
8 7 (1.30%) vSphere
9 6 (1.12%) Apache Flume
10 5 (0.93%) Hyper-V
10 5 (0.93%) Virtual Machines
11 3 (0.56%) NFS
11 3 (0.56%) Virtual Servers
11 3 (0.56%) XenApp
12 2 (0.37%) iptables
12 2 (0.37%) KVM
12 2 (0.37%) Oracle RAC
12 2 (0.37%) Xen
12 2 (0.37%) XenServer
13 1 (0.19%) Ceph
Systems Management
1 107 (19.93%) Ansible
2 101 (18.81%) Kubernetes
3 90 (16.76%) Terraform
4 83 (15.46%) Puppet
5 48 (8.94%) Opscode Chef
6 36 (6.70%) Nagios
7 35 (6.52%) Docker Swarm
7 35 (6.52%) Grafana
8 32 (5.96%) Prometheus
9 24 (4.47%) Icinga
10 16 (2.98%) Kibana
11 13 (2.42%) Mesos
12 11 (2.05%) logstash
13 10 (1.86%) Hadoop YARN
13 10 (1.86%) Marathon
14 8 (1.49%) Sysdig
15 7 (1.30%) Oozie
15 7 (1.30%) Packer
15 7 (1.30%) SCCM
16 6 (1.12%) Consul
Vendors
1 73 (13.59%) Red Hat
2 46 (8.57%) Google
3 36 (6.70%) Splunk
3 36 (6.70%) VMware
4 35 (6.52%) Oracle
5 32 (5.96%) Microsoft
6 20 (3.72%) TIBCO
7 19 (3.54%) Sybase
8 18 (3.35%) Cisco
9 15 (2.79%) Salesforce.com
10 14 (2.61%) ION Trading
11 13 (2.42%) IBM
12 12 (2.23%) Atlassian
13 11 (2.05%) Citrix
14 10 (1.86%) AppDynamics
14 10 (1.86%) Hortonworks
15 8 (1.49%) HP
15 8 (1.49%) New Relic
16 6 (1.12%) Juniper
16 6 (1.12%) NetApp