Period
to 18 January 2019

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 18 January 2019 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
18 Jan 2019
Same period 2018 Same period 2017
Rank 22 18 14
Rank change year-on-year -4 -4 0
Contract jobs citing Linux 504 584 623
As % of all contract IT jobs advertised in the City of London 7.41% 8.26% 9.99%
As % of the Operating Systems category 37.42% 40.70% 46.49%
Number of daily rates quoted 377 492 507
City of London median daily rate £550 £525 £500
Median daily rate % change year-on-year +4.76% +5.00% +5.26%
10th Percentile £413 £406 £363
90th Percentile £675 £763 £650
Central London median daily rate £550 £525 £500
% change year-on-year +4.76% +5.00% +5.26%
Number of hourly rates quoted 2 0 5
City of London median hourly rate £28.75 - £27.50
10th Percentile £22.63 - £24.60
90th Percentile £33.88 - £28.75
Central London median hourly rate £36.25 £35.00 £27.50
% change year-on-year +3.57% +27.27% -24.14%

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 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 1,347 1,435 1,340
As % of all contract IT jobs advertised in the City of London 19.80% 20.31% 21.48%
Number of daily rates quoted 1,016 1,126 1,059
City of London median daily rate £475 £496 £450
Median daily rate % change year-on-year -4.28% +10.28% -
10th Percentile £145 £254 £300
90th Percentile £638 £675 £638
Central London median daily rate £475 £475 £450
% change year-on-year - +5.56% +2.86%
Number of hourly rates quoted 52 52 25
City of London median hourly rate £18.70 £15.00 £21.75
Median hourly rate % change year-on-year +24.67% -31.03% +11.54%
10th Percentile £13.10 £11.25 £13.10
90th Percentile £25.50 £25.55 £79.00
Central London median hourly rate £18.70 £15.50 £18.85
% change year-on-year +20.65% -17.77% +1.89%

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 18 January 2019.

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
Contractor Hourly Rate Histogram in the City of London

The hourly rate distribution of IT jobs citing Linux in the City of London over the 6 months to 18 January 2019.

Contractor hourly rate histogram 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 18 January 2019. 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 - 45 £575 -
Moorgate - 30 £550 -
Linux
Central London

For the 6 months to 18 January 2019, 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.

1 203 (40.28%) DevOps
2 176 (34.92%) Finance
3 156 (30.95%) Amazon AWS
4 152 (30.16%) Java
5 150 (29.76%) Docker
6 149 (29.56%) Agile Software Development
7 137 (27.18%) Python
8 128 (25.40%) Unix
9 125 (24.80%) Windows
10 117 (23.21%) Terraform
11 104 (20.63%) Git (software)
12 99 (19.64%) Kubernetes
13 96 (19.05%) Red Hat Enterprise Linux
14 89 (17.66%) SQL
15 85 (16.87%) Ansible
16 78 (15.48%) Jenkins
16 78 (15.48%) Windows Server
17 73 (14.48%) JavaScript
18 69 (13.69%) Red Hat
19 68 (13.49%) Bash Shell
19 68 (13.49%) Opscode Chef
20 65 (12.90%) Microservices
20 65 (12.90%) TDD
21 63 (12.50%) JIRA
22 61 (12.10%) Microsoft Azure
23 58 (11.51%) Continuous Integration
23 58 (11.51%) Banking
24 56 (11.11%) HTML
25 55 (10.91%) Puppet
26 54 (10.71%) MongoDB

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 44 (8.73%) Apache
2 41 (8.13%) Confluence
3 39 (7.74%) Elasticsearch
4 36 (7.14%) Apache Spark
5 28 (5.56%) JBoss
6 17 (3.37%) WebLogic
7 16 (3.17%) IPython
8 10 (1.98%) nginx
9 9 (1.79%) Tomcat
10 7 (1.39%) CMS
11 6 (1.19%) IIS
11 6 (1.19%) WordPress
12 5 (0.99%) OpenStack
12 5 (0.99%) WebSphere
13 4 (0.79%) Cloud Foundry
13 4 (0.79%) Drupal
13 4 (0.79%) Jetty
13 4 (0.79%) MS Exchange
14 3 (0.60%) Mule
15 2 (0.40%) GlassFish
Applications
1 3 (0.60%) Microsoft Excel
2 2 (0.40%) Microsoft Office
2 2 (0.40%) MS Visio
Business Applications
1 7 (1.39%) Salesforce.com CRM
2 2 (0.40%) Sentinel
3 1 (0.20%) 3000 Xtra
3 1 (0.20%) BusinessWorks
3 1 (0.20%) ION MarketView
3 1 (0.20%) Kondor
3 1 (0.20%) Markit EDM
3 1 (0.20%) Oracle Cash Management
3 1 (0.20%) Oracle EBS
3 1 (0.20%) RMDS
3 1 (0.20%) SunGard Martini
3 1 (0.20%) Temenos T24
3 1 (0.20%) thinkFolio
Cloud Services
1 156 (30.95%) Amazon AWS
2 61 (12.10%) Microsoft Azure
3 24 (4.76%) Heroku
4 22 (4.37%) GitHub
5 20 (3.97%) Amazon EC2
5 20 (3.97%) AWS CloudFormation
5 20 (3.97%) Datadog
6 18 (3.57%) Google Cloud Platform
7 14 (2.78%) SaaS
8 13 (2.58%) Amazon S3
8 13 (2.58%) Serverless
9 12 (2.38%) AWS Lambda
9 12 (2.38%) PaaS
10 11 (2.18%) IaaS
11 10 (1.98%) Virtual Private Cloud
12 9 (1.79%) Cloud Computing
13 6 (1.19%) Amazon CloudWatch
13 6 (1.19%) Amazon ELB
14 5 (0.99%) Amazon EMR
14 5 (0.99%) Route 53
Communications & Networking
1 41 (8.13%) HTTP
2 39 (7.74%) DNS
3 34 (6.75%) TCP/IP
4 28 (5.56%) SSL
5 25 (4.96%) FTP
6 19 (3.77%) SAN
7 16 (3.17%) Firewall
8 11 (2.18%) DHCP
9 10 (1.98%) VPN
10 9 (1.79%) Internet
11 6 (1.19%) AMQP
11 6 (1.19%) Kerberos
11 6 (1.19%) NAS
12 5 (0.99%) Cisco Nexus
12 5 (0.99%) Network Security
13 4 (0.79%) Junos
13 4 (0.79%) WAN
14 3 (0.60%) DMZ
14 3 (0.60%) LAN
14 3 (0.60%) VSAN
Database & Business Intelligence
1 54 (10.71%) MongoDB
2 51 (10.12%) SQL Server
3 40 (7.94%) Hadoop
4 38 (7.54%) Relational Database
5 30 (5.95%) MySQL
6 29 (5.75%) PostgreSQL
7 28 (5.56%) Big Data
8 26 (5.16%) NoSQL
9 16 (3.17%) Apache Cassandra
10 15 (2.98%) Redis
11 10 (1.98%) Apache Kudu
11 10 (1.98%) Impala
12 8 (1.59%) Amazon RDS
13 6 (1.19%) KDB
13 6 (1.19%) Oracle Database
14 5 (0.99%) Amazon DynamoDB
14 5 (0.99%) Apache Hive
14 5 (0.99%) Blockchain
14 5 (0.99%) Data Warehouse
15 4 (0.79%) Neo4j
Development Applications
1 104 (20.63%) Git (software)
2 78 (15.48%) Jenkins
3 63 (12.50%) JIRA
4 36 (7.14%) Subversion
5 34 (6.75%) GitLab
6 30 (5.95%) Cucumber
7 27 (5.36%) Maven
8 26 (5.16%) gulp
9 25 (4.96%) Gradle
10 24 (4.76%) Selenium
11 23 (4.56%) Atlassian Bamboo
12 18 (3.57%) FishEye
12 18 (3.57%) JUnit
13 16 (3.17%) jMock
14 15 (2.98%) Sonatype Nexus
15 12 (2.38%) TeamCity
16 10 (1.98%) Gatling
17 9 (1.79%) Bitbucket
17 9 (1.79%) Geb
17 9 (1.79%) Spock
General
1 176 (34.92%) Finance
2 58 (11.51%) Banking
3 33 (6.55%) Front Office
4 16 (3.17%) Investment Banking
5 13 (2.58%) Retail Banking
6 8 (1.59%) Advertising
6 8 (1.59%) Financial Institution
7 7 (1.39%) Publishing
7 7 (1.39%) Telecoms
8 6 (1.19%) Retail
9 4 (0.79%) Law
10 3 (0.60%) Games
11 2 (0.40%) Back Office
12 1 (0.20%) Electronics
12 1 (0.20%) Manufacturing
12 1 (0.20%) Marketing
Job Titles
1 160 (31.75%) DevOps Engineer
2 135 (26.79%) Developer
3 80 (15.87%) Linux Engineer
4 68 (13.49%) Java Developer
5 49 (9.72%) AWS DevOps
6 47 (9.33%) AWS Engineer
7 46 (9.13%) Linux/Unix DevOps
8 45 (8.93%) AWS DevOps Engineer
9 41 (8.13%) Linux DevOps Engineer
10 39 (7.74%) Azure Engineer
11 38 (7.54%) Azure DevOps
11 38 (7.54%) Azure DevOps Engineer
12 24 (4.76%) Analyst
13 22 (4.37%) Python Developer
14 21 (4.17%) Administrator
14 21 (4.17%) Senior Developer
15 18 (3.57%) Quantitative Developer
15 18 (3.57%) Senior Java Developer
16 15 (2.98%) Infrastructure Engineer
17 13 (2.58%) C# Developer
Libraries, Frameworks & Software Standards
1 56 (11.11%) HTML
2 54 (10.71%) REST
3 48 (9.52%) Spring
4 41 (8.13%) CSS
4 41 (8.13%) Kafka
5 37 (7.34%) .NET
6 33 (6.55%) HTML5
6 33 (6.55%) Web Services
6 33 (6.55%) X-Windows
7 32 (6.35%) SOAP
8 31 (6.15%) AngularJS
8 31 (6.15%) Node.js
9 29 (5.75%) OAuth
10 28 (5.56%) OAuth2
11 27 (5.36%) Dropwizard
12 26 (5.16%) Spring Boot
13 23 (4.56%) Ember.js
13 23 (4.56%) Guice
13 23 (4.56%) Ratpack
13 23 (4.56%) XML
Miscellaneous
1 38 (7.54%) Greenfield Project
2 27 (5.36%) Cloud Native
3 24 (4.76%) Hedge funds
4 21 (4.17%) Client/Server
4 21 (4.17%) Linux Command Line
5 19 (3.77%) Algorithms
5 19 (3.77%) Analytical Skills
5 19 (3.77%) Data Structures
5 19 (3.77%) Foreign Exchange (FX)
6 18 (3.57%) Data Centre
7 14 (2.78%) User Experience
8 13 (2.58%) Self-Motivation
9 12 (2.38%) Fixed Income
10 10 (1.98%) Fintech
11 7 (1.39%) Fat Client
11 7 (1.39%) Thin Client
12 6 (1.19%) Equities
12 6 (1.19%) Smartcard
12 6 (1.19%) Video\Live Streaming
13 4 (0.79%) Replication
Operating Systems
1 128 (25.40%) Unix
2 125 (24.80%) Windows
3 96 (19.05%) Red Hat Enterprise Linux
4 78 (15.48%) Windows Server
5 18 (3.57%) CentOS
6 13 (2.58%) Ubuntu
7 12 (2.38%) Windows Server 2008
8 11 (2.18%) Solaris
9 7 (1.39%) Windows Server 2012
10 5 (0.99%) Mac OS X
11 4 (0.79%) Mesosphere
12 3 (0.60%) Apple iOS
13 2 (0.40%) CoreOS
13 2 (0.40%) Debian
13 2 (0.40%) Mac OS
13 2 (0.40%) SUSE Linux Enterprise Server
13 2 (0.40%) Windows Server 2003
14 1 (0.20%) Android
14 1 (0.20%) SUSE
14 1 (0.20%) Windows 7
Processes & Methodologies
1 203 (40.28%) DevOps
2 149 (29.56%) Agile Software Development
3 65 (12.90%) Microservices
3 65 (12.90%) TDD
4 58 (11.51%) Continuous Integration
5 54 (10.71%) Continuous Delivery
6 49 (9.72%) Test Automation
7 44 (8.73%) BDD
7 44 (8.73%) OO
8 42 (8.33%) Configuration Management
9 41 (8.13%) Deployment Automation
10 31 (6.15%) Migration
10 31 (6.15%) SDLC
11 30 (5.95%) Problem-Solving
12 27 (5.36%) Domain-Driven Design
13 26 (5.16%) Open Source
14 24 (4.76%) OWASP
15 22 (4.37%) Infrastructure Engineering
16 21 (4.17%) Digital Transformation Programme
17 20 (3.97%) Software Engineering
Programming Languages
1 152 (30.16%) Java
2 137 (27.18%) Python
3 89 (17.66%) SQL
4 73 (14.48%) JavaScript
5 68 (13.49%) Bash Shell
6 40 (7.94%) Ruby
7 38 (7.54%) Perl
8 35 (6.94%) C#
8 35 (6.94%) C++
8 35 (6.94%) Java 8
8 35 (6.94%) PowerShell
9 30 (5.95%) Shell Script
10 26 (5.16%) TypeScript
11 25 (4.96%) ES6
12 20 (3.97%) PHP
13 19 (3.77%) Go
14 16 (3.17%) Cython
15 10 (1.98%) Scala
16 4 (0.79%) Groovy
16 4 (0.79%) PL/SQL
Qualifications
1 22 (4.37%) Security Cleared
2 17 (3.37%) Degree
2 17 (3.37%) SC Cleared
3 9 (1.79%) Microsoft Certification
4 8 (1.59%) Cisco Certification
5 7 (1.39%) RHCE
6 6 (1.19%) AWS Certification
6 6 (1.19%) CCNP
6 6 (1.19%) MCSE
7 5 (0.99%) ITIL Foundation Certificate
8 4 (0.79%) BPSS Clearance
8 4 (0.79%) MCSA
9 3 (0.60%) CISA
9 3 (0.60%) CISM
9 3 (0.60%) CISSP
9 3 (0.60%) DV Cleared
9 3 (0.60%) PhD
10 2 (0.40%) CISMP
10 2 (0.40%) ISSMP
10 2 (0.40%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 13 (2.58%) QA
2 5 (0.99%) ISO/IEC 27001
3 3 (0.60%) Data Quality
3 3 (0.60%) GDPR
4 2 (0.40%) FedRAMP
4 2 (0.40%) SLA
5 1 (0.20%) Cyber Essentials
5 1 (0.20%) HIPAA
5 1 (0.20%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
5 1 (0.20%) MiFID
5 1 (0.20%) PCI DSS
5 1 (0.20%) Sarbanes-Oxley
5 1 (0.20%) SEPA
System Software
1 150 (29.76%) Docker
2 50 (9.92%) Active Directory
3 18 (3.57%) VMware Infrastructure
4 15 (2.98%) HDFS
5 6 (1.19%) vSphere
6 5 (0.99%) VMware ESXi
6 5 (0.99%) VMware NSX
6 5 (0.99%) XenApp
7 4 (0.79%) Varnish
7 4 (0.79%) Virtual Servers
8 3 (0.60%) Ceph
8 3 (0.60%) etcd
8 3 (0.60%) VirtualBox
8 3 (0.60%) Xen
8 3 (0.60%) XenDesktop
8 3 (0.60%) XenServer
9 2 (0.40%) flannel
9 2 (0.40%) GlusterFS
9 2 (0.40%) SkyDNS
9 2 (0.40%) VMware Workstation
Systems Management
1 117 (23.21%) Terraform
2 99 (19.64%) Kubernetes
3 85 (16.87%) Ansible
4 68 (13.49%) Opscode Chef
5 55 (10.91%) Puppet
6 29 (5.75%) Docker Swarm
7 14 (2.78%) Nagios
8 12 (2.38%) Grafana
9 11 (2.18%) Consul
9 11 (2.18%) Kibana
9 11 (2.18%) Prometheus
10 7 (1.39%) Graphite
10 7 (1.39%) logstash
10 7 (1.39%) Tivoli
11 6 (1.19%) Mesos
11 6 (1.19%) Packer
11 6 (1.19%) SCCM
11 6 (1.19%) systemd
12 5 (0.99%) vRealize
12 5 (0.99%) vRealize Orchestrator
Vendors
1 69 (13.69%) Red Hat
2 48 (9.52%) Oracle
3 38 (7.54%) Splunk
4 36 (7.14%) VMware
5 28 (5.56%) Sybase
6 27 (5.36%) Microsoft
7 26 (5.16%) Atlassian
8 20 (3.97%) Google
9 17 (3.37%) Cisco
10 14 (2.78%) Citrix
11 12 (2.38%) IBM
12 11 (2.18%) TIBCO
13 10 (1.98%) EMC
14 8 (1.59%) HP
14 8 (1.59%) Qualys
14 8 (1.59%) Salesforce.com
15 7 (1.39%) New Relic
16 6 (1.19%) Hortonworks
16 6 (1.19%) Juniper
17 5 (0.99%) Dell