Period
to 11 November 2019

The following table provides summary statistics for contract job vacancies advertised in Central 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 11 November 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
London > Central London
6 months to
11 Nov 2019
Same period 2018 Same period 2017
Rank 25 22 16
Rank change year-on-year -3 -6 -3
Contract jobs citing Linux 512 680 721
As % of all contract IT jobs advertised in Central London 6.91% 7.56% 8.57%
As % of the Operating Systems category 36.70% 36.60% 42.36%
Number of daily rates quoted 396 531 609
Central London median daily rate £529 £550 £525
Median daily rate % change year-on-year -3.82% +4.76% +10.53%
10th Percentile £363 £388 £380
90th Percentile £696 £675 £725
London median daily rate £538 £525 £515
% change year-on-year +2.38% +1.94% +8.42%
Number of hourly rates quoted 2 1 0
Central London median hourly rate £35.00 £22.50 -
Median hourly rate % change year-on-year +55.56% - -
London median hourly rate £47.50 £35.00 £37.50
% change year-on-year +35.71% -6.67% -6.25%

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 Central London with a requirement for operating system skills.

All Operating Systems
Central London
Contract vacancies with a requirement for operating system skills 1,395 1,858 1,702
As % of all contract IT jobs advertised in Central London 18.83% 20.66% 20.22%
Number of daily rates quoted 1,082 1,402 1,324
Central London median daily rate £450 £475 £475
Median daily rate % change year-on-year -5.26% - +5.56%
10th Percentile £163 £156 £208
90th Percentile £638 £625 £659
London median daily rate £463 £486 £475
% change year-on-year -4.88% +2.37% +5.56%
Number of hourly rates quoted 42 80 57
Central London median hourly rate £20.00 £18.70 £17.00
Median hourly rate % change year-on-year +6.95% +10.00% -2.86%
10th Percentile £12.08 £13.90 £11.40
90th Percentile £49.28 £24.51 £28.50
London median hourly rate £21.00 £18.70 £19.00
% change year-on-year +12.30% -1.58% +7.04%

Linux
Job Vacancy Trend in Central London

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

Job vacancy trend for Linux in Central London

Linux
Contractor Daily Rate Trend in Central London

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

Contractor daily rate trend for Linux in Central London

Linux
Contractor Daily Rate Histogram in Central London

The daily rate distribution of IT jobs citing Linux in Central London over the 6 months to 11 November 2019.

Contractor daily rate histogram for Linux in Central London

Linux
Contractor Hourly Rate Trend in Central London

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

Contractor hourly rate trend for Linux in Central London

Linux
Contractor Hourly Rate Histogram in Central London

The hourly rate distribution of IT jobs citing Linux in Central London over the 6 months to 11 November 2019.

Contractor hourly rate histogram for Linux in Central London

Linux
Contract Job Locations in Central 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 Central London region over the 6 months to 11 November 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
City of London -4 383 £545 -0.91% 199
West End of London +23 18 £500 -9.09%
City of Westminster +8 18 £550 -
Camden -4 4 £500 -18.37%
Southwark -4 3 £600 +4.35%
Kensington and Chelsea -2 1 £300 -45.45%
Linux
London

For the 6 months to 11 November 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 Central London region with a requirement for Linux.

1 192 (37.50%) DevOps
2 191 (37.30%) Python
3 163 (31.84%) AWS
4 161 (31.45%) Agile Software Development
5 159 (31.05%) Java
6 151 (29.49%) Unix
7 139 (27.15%) Docker
8 131 (25.59%) Windows
9 126 (24.61%) Finance
10 109 (21.29%) Git (software)
10 109 (21.29%) Terraform
11 105 (20.51%) SQL
12 103 (20.12%) Ansible
13 101 (19.73%) Kubernetes
14 98 (19.14%) Jenkins
15 86 (16.80%) JavaScript
16 80 (15.63%) Azure
17 78 (15.23%) Microservices
17 78 (15.23%) Ruby
18 76 (14.84%) Oracle
19 72 (14.06%) Continuous Integration
20 70 (13.67%) Puppet
21 67 (13.09%) Configuration Management
22 66 (12.89%) PostgreSQL
22 66 (12.89%) Bash Shell
23 61 (11.91%) Red Hat Enterprise Linux
23 61 (11.91%) Web Services
24 60 (11.72%) TDD
24 60 (11.72%) Security Cleared
25 57 (11.13%) JIRA

Linux
Co-occurring IT Skills in Central 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 38 (7.42%) Elasticsearch
2 35 (6.84%) Confluence
3 17 (3.32%) Apache
4 16 (3.13%) Apache Spark
5 10 (1.95%) JBoss
5 10 (1.95%) Tomcat
6 9 (1.76%) nginx
6 9 (1.76%) OpenStack
7 8 (1.56%) ArcGIS
7 8 (1.56%) GeoServer
7 8 (1.56%) IIS
8 6 (1.17%) Jupyter
8 6 (1.17%) WebLogic
9 4 (0.78%) Apache Solr
9 4 (0.78%) CMS
9 4 (0.78%) Drupal
9 4 (0.78%) Oracle SOA Suite
9 4 (0.78%) Oracle Workflow
9 4 (0.78%) SharePoint
9 4 (0.78%) WebSphere
Applications
1 6 (1.17%) Microsoft Office
2 5 (0.98%) Microsoft Excel
3 3 (0.59%) MS Visio
4 1 (0.20%) Houdini
4 1 (0.20%) Maya
4 1 (0.20%) Microsoft Project
Business Applications
1 5 (0.98%) Oracle Assets
1 5 (0.98%) Oracle Cash Management
1 5 (0.98%) Oracle FAH
1 5 (0.98%) Oracle General Ledger
1 5 (0.98%) Oracle Internet Expenses
1 5 (0.98%) Oracle iProcurement
1 5 (0.98%) Oracle Payables
1 5 (0.98%) Oracle Procure-to-Pay
1 5 (0.98%) Oracle Receivables
1 5 (0.98%) Oracle Subledger Accounting
2 2 (0.39%) BusinessWorks
2 2 (0.39%) Salesforce.com CRM
3 1 (0.20%) Dynamics CRM
3 1 (0.20%) FINCAD Analytics
3 1 (0.20%) Oracle Applications
3 1 (0.20%) Oracle Financials
3 1 (0.20%) PeopleSoft Financials
3 1 (0.20%) SAP BPC
3 1 (0.20%) SAP GRC
3 1 (0.20%) WebTrends
Cloud Services
1 163 (31.84%) AWS
2 80 (15.63%) Azure
3 53 (10.35%) GCP
4 32 (6.25%) GitHub
5 28 (5.47%) Serverless
6 26 (5.08%) AWS Lambda
7 23 (4.49%) Amazon S3
8 22 (4.30%) Amazon EC2
8 22 (4.30%) Office 365
9 20 (3.91%) Virtual Private Cloud
10 16 (3.13%) AWS CloudFormation
11 15 (2.93%) Amazon ECS
12 14 (2.73%) OpenShift
13 13 (2.54%) Amazon SQS
14 12 (2.34%) Datadog
15 11 (2.15%) Route 53
16 10 (1.95%) PaaS
17 9 (1.76%) Amazon CloudWatch
18 8 (1.56%) Azure Active Directory
18 8 (1.56%) IaaS
Communications & Networking
1 43 (8.40%) Firewall
2 38 (7.42%) TCP/IP
3 30 (5.86%) DNS
4 26 (5.08%) HTTP
5 25 (4.88%) VPN
6 18 (3.52%) FTP
6 18 (3.52%) Internet
7 16 (3.13%) Intrusion Detection
7 16 (3.13%) SSL
7 16 (3.13%) WAN
8 14 (2.73%) LAN
8 14 (2.73%) SAN
9 11 (2.15%) Ethernet
10 9 (1.76%) BGP
10 9 (1.76%) DHCP
10 9 (1.76%) Network Security
11 8 (1.56%) IPsec
11 8 (1.56%) Wi-Fi
12 6 (1.17%) OSPF
12 6 (1.17%) Wireless
Database & Business Intelligence
1 66 (12.89%) PostgreSQL
2 51 (9.96%) MySQL
3 47 (9.18%) MongoDB
4 29 (5.66%) SQL Server
5 27 (5.27%) Relational Database
6 19 (3.71%) NoSQL
6 19 (3.71%) Oracle Database
7 17 (3.32%) Amazon RDS
8 16 (3.13%) Hadoop
9 14 (2.73%) Big Data
10 11 (2.15%) DB2
11 10 (1.95%) Amazon DynamoDB
12 9 (1.76%) Geospatial Data
13 8 (1.56%) Data Warehouse
13 8 (1.56%) GIS
13 8 (1.56%) QGIS
13 8 (1.56%) RDBMS
14 7 (1.37%) Oracle Reports
14 7 (1.37%) SAP Data Services
15 6 (1.17%) Apache Hive
Development Applications
1 109 (21.29%) Git (software)
2 98 (19.14%) Jenkins
3 57 (11.13%) JIRA
4 23 (4.49%) Maven
5 22 (4.30%) Subversion
6 18 (3.52%) Sonatype Nexus
7 16 (3.13%) TeamCity
8 14 (2.73%) Gradle
9 13 (2.54%) Atlassian Bamboo
9 13 (2.54%) GitLab
10 10 (1.95%) Gatling
10 10 (1.95%) Geb
10 10 (1.95%) SonarQube
10 10 (1.95%) Spock
11 9 (1.76%) Mockito
12 8 (1.56%) Bitbucket
12 8 (1.56%) JUnit
13 7 (1.37%) gulp
13 7 (1.37%) Travis CI
14 6 (1.17%) Jasmine
General
1 126 (24.61%) Finance
2 44 (8.59%) Banking
3 19 (3.71%) Front Office
3 19 (3.71%) Public Sector
4 15 (2.93%) Investment Banking
5 10 (1.95%) Law
6 7 (1.37%) International Banking
7 6 (1.17%) Publishing
8 5 (0.98%) Advertising
8 5 (0.98%) Financial Institution
8 5 (0.98%) Marketing
9 3 (0.59%) Retail
10 2 (0.39%) Electronics
10 2 (0.39%) Games
10 2 (0.39%) Pharmaceutical
10 2 (0.39%) Telecoms
11 1 (0.20%) Aerospace
11 1 (0.20%) Arabic Language
11 1 (0.20%) Automotive
11 1 (0.20%) Corporate Banking
Job Titles
1 138 (26.95%) Developer
2 120 (23.44%) DevOps Engineer
3 55 (10.74%) AWS Engineer
4 50 (9.77%) AWS DevOps
5 46 (8.98%) AWS DevOps Engineer
6 39 (7.62%) Java Developer
7 34 (6.64%) Analyst
8 30 (5.86%) Linux/Unix DevOps
9 28 (5.47%) Linux Engineer
10 24 (4.69%) Kubernetes Engineer
11 19 (3.71%) Architect
11 19 (3.71%) Cloud Engineer
11 19 (3.71%) Linux DevOps Engineer
12 18 (3.52%) Consultant
12 18 (3.52%) Support Analyst
13 16 (3.13%) Administrator
13 16 (3.13%) Full Stack Developer
14 15 (2.93%) Support Engineer
15 14 (2.73%) Network Engineer
15 14 (2.73%) Python Developer
Libraries, Frameworks & Software Standards
1 61 (11.91%) Web Services
2 54 (10.55%) Node.js
3 44 (8.59%) REST
4 43 (8.40%) AngularJS
5 38 (7.42%) HTML
6 37 (7.23%) Kafka
7 35 (6.84%) Spring
8 34 (6.64%) CSS
8 34 (6.64%) JSON
9 30 (5.86%) RESTful
10 26 (5.08%) XML
11 21 (4.10%) React
12 19 (3.71%) Spring Boot
13 17 (3.32%) SOAP
14 16 (3.13%) OAuth
15 14 (2.73%) .NET
15 14 (2.73%) LDAP
16 13 (2.54%) ActiveMQ
16 13 (2.54%) Elastic Stack
16 13 (2.54%) HTML5
Miscellaneous
1 23 (4.49%) Data Centre
2 17 (3.32%) Linux Command Line
3 15 (2.93%) Analytical Skills
3 15 (2.93%) Greenfield Project
4 14 (2.73%) Management Information System
5 13 (2.54%) Derivative
6 10 (1.95%) Algorithms
6 10 (1.95%) Cloud Native
6 10 (1.95%) User Experience
7 9 (1.76%) Data Structures
8 8 (1.56%) Public Cloud
9 7 (1.37%) Hedge funds
9 7 (1.37%) Virtual Team
10 6 (1.17%) Fibre Optics
10 6 (1.17%) Fixed Income
10 6 (1.17%) PKI
10 6 (1.17%) Replication
10 6 (1.17%) Security Operations Centre
11 5 (0.98%) Blog
11 5 (0.98%) Equities
Operating Systems
1 151 (29.49%) Unix
2 131 (25.59%) Windows
3 61 (11.91%) Red Hat Enterprise Linux
4 44 (8.59%) Windows Server
5 33 (6.45%) Ubuntu
6 22 (4.30%) Mac OS X
7 21 (4.10%) CentOS
8 15 (2.93%) Debian
9 14 (2.73%) Solaris
10 12 (2.34%) Windows Server 2012
11 10 (1.95%) Mac OS
12 9 (1.76%) Windows 10
13 8 (1.56%) Windows Server 2008
14 6 (1.17%) openSUSE
14 6 (1.17%) Windows 7
15 4 (0.78%) Android
15 4 (0.78%) Apple iOS
16 3 (0.59%) AIX
16 3 (0.59%) zOS
17 2 (0.39%) Windows Server 2003
Processes & Methodologies
1 192 (37.50%) DevOps
2 161 (31.45%) Agile Software Development
3 78 (15.23%) Microservices
4 72 (14.06%) Continuous Integration
5 67 (13.09%) Configuration Management
6 60 (11.72%) TDD
7 55 (10.74%) Migration
8 52 (10.16%) Open Source
9 51 (9.96%) Infrastructure as Code
10 47 (9.18%) Test Automation
11 45 (8.79%) Scrum
12 32 (6.25%) Analytics
12 32 (6.25%) Software Engineering
13 29 (5.66%) BDD
13 29 (5.66%) ITIL
14 28 (5.47%) Continuous Delivery
15 24 (4.69%) ETL
15 24 (4.69%) Information Security
16 22 (4.30%) Kanban
17 21 (4.10%) OWASP
Programming Languages
1 191 (37.30%) Python
2 159 (31.05%) Java
3 105 (20.51%) SQL
4 86 (16.80%) JavaScript
5 78 (15.23%) Ruby
6 66 (12.89%) Bash Shell
7 41 (8.01%) Perl
8 35 (6.84%) Shell Script
9 32 (6.25%) PL/SQL
9 32 (6.25%) PowerShell
10 28 (5.47%) Go
10 28 (5.47%) Java 8
11 23 (4.49%) TypeScript
12 19 (3.71%) C++
13 18 (3.52%) PHP
14 14 (2.73%) Groovy
14 14 (2.73%) Scala
15 12 (2.34%) C
16 10 (1.95%) C#
17 6 (1.17%) VB
Qualifications
1 60 (11.72%) Security Cleared
2 38 (7.42%) SC Cleared
3 11 (2.15%) AWS Certification
3 11 (2.15%) Degree
4 9 (1.76%) CISSP
4 9 (1.76%) DV Cleared
4 9 (1.76%) RHCE
5 8 (1.56%) Cisco Certification
6 7 (1.37%) Microsoft Certification
7 5 (0.98%) CCNP
8 4 (0.78%) CCIE
8 4 (0.78%) Computer Science Degree
9 3 (0.59%) CEH
9 3 (0.59%) Master's Degree
10 2 (0.39%) (ISC)2 CCSP
10 2 (0.39%) CHFI
10 2 (0.39%) CISA
10 2 (0.39%) CTC Cleared
10 2 (0.39%) MCSE
10 2 (0.39%) SANS
Quality Assurance & Compliance
1 9 (1.76%) ISO/IEC 27001
1 9 (1.76%) NIST
2 8 (1.56%) SLA
3 7 (1.37%) PCI DSS
3 7 (1.37%) QA
4 6 (1.17%) COBIT
5 4 (0.78%) Data Quality
6 3 (0.59%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
7 1 (0.20%) PMO
7 1 (0.20%) WCAG
System Software
1 139 (27.15%) Docker
2 27 (5.27%) Active Directory
3 18 (3.52%) VMware Infrastructure
4 7 (1.37%) Hyper-V
4 7 (1.37%) Virtual Machines
4 7 (1.37%) VMware ESXi
5 5 (0.98%) Varnish
5 5 (0.98%) Veritas Volume Manager
6 4 (0.78%) Apache ZooKeeper
6 4 (0.78%) KVM
6 4 (0.78%) Oracle RAC
7 3 (0.59%) Cronacle
7 3 (0.59%) Samba
7 3 (0.59%) Veritas Cluster Server
7 3 (0.59%) Veritas File System
7 3 (0.59%) vSphere
8 2 (0.39%) etcd
8 2 (0.39%) Firmware
8 2 (0.39%) Xen
9 1 (0.20%) Virtual Desktop
Systems Management
1 109 (21.29%) Terraform
2 103 (20.12%) Ansible
3 101 (19.73%) Kubernetes
4 70 (13.67%) Puppet
5 49 (9.57%) Opscode Chef
6 18 (3.52%) Consul
7 15 (2.93%) Packer
8 10 (1.95%) Docker Swarm
8 10 (1.95%) Prometheus
9 9 (1.76%) Suricata
10 7 (1.37%) Nessus
10 7 (1.37%) Salt
11 6 (1.17%) Grafana
11 6 (1.17%) Hadoop YARN
11 6 (1.17%) Kibana
12 5 (0.98%) HP Fortify
12 5 (0.98%) Nagios
12 5 (0.98%) SCCM
13 4 (0.78%) Data Guard
13 4 (0.78%) Norton AntiVirus
Vendors
1 76 (14.84%) Oracle
2 57 (11.13%) Red Hat
3 50 (9.77%) Microsoft
4 34 (6.64%) VMware
5 28 (5.47%) Google
6 27 (5.27%) Splunk
7 17 (3.32%) IBM
8 14 (2.73%) Qualys
9 12 (2.34%) Cisco
9 12 (2.34%) F5
10 11 (2.15%) Atlassian
10 11 (2.15%) Palo Alto
11 10 (1.95%) Citrix
11 10 (1.95%) HP
12 9 (1.76%) SAP
13 8 (1.56%) Adobe
13 8 (1.56%) Cloudera
13 8 (1.56%) ESRI
13 8 (1.56%) ServiceNow
13 8 (1.56%) Sybase