Period
to 4 June 2020

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 4 June 2020 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
4 Jun 2020
Same period 2019 Same period 2018
Rank 28 18 23
Rank change year-on-year -10 +5 -11
Contract jobs citing Linux 231 679 684
As % of all contract jobs advertised in Central London 6.38% 8.18% 7.54%
As % of the Operating Systems category 37.26% 42.10% 37.42%
Number of daily rates quoted 161 523 551
Median daily rate £525 £550 £525
Median daily rate % change year-on-year -4.55% +4.76% +2.44%
10th Percentile £356 £400 £388
90th Percentile £650 £688 £675
London median daily rate £525 £550 £525
% change year-on-year -4.55% +4.76% +5.00%
Number of hourly rates quoted 2 6 5
Median hourly rate £37.50 £37.50 £32.00
Median hourly rate % change year-on-year - +17.19% -
10th Percentile £19.00 £32.50 £25.15
90th Percentile £60.00 £44.80 £37.50
London median hourly rate £50.00 £43.20 £40.00
% change year-on-year +15.74% +8.00% -15.79%

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 620 1,613 1,828
As % of all contract IT jobs advertised in Central London 17.13% 19.43% 20.15%
Number of daily rates quoted 445 1,208 1,385
Median daily rate £450 £478 £500
Median daily rate % change year-on-year -5.76% -4.50% +8.40%
10th Percentile £158 £174 £185
90th Percentile £625 £650 £644
London median daily rate £475 £488 £485
% change year-on-year -2.56% +0.52% +4.86%
Number of hourly rates quoted 15 35 67
Median hourly rate £18.70 £21.00 £20.00
Median hourly rate % change year-on-year -10.95% +5.00% +14.29%
10th Percentile £13.10 £16.74 £13.00
90th Percentile £25.55 £39.75 £27.00
Median hourly rate £25.00 £21.00 £19.75
% change year-on-year +19.05% +6.33% -6.64%

Linux
Job Vacancy Trend in Central London

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

Job vacancy trend for Linux in Central London

Linux
Contractor Daily Rate Trend in Central London

3-month moving average daily rate quoted in jobs citing Linux in Central London.

Daily rate trend for Linux in Central London

Linux
Daily Rate Histogram in Central London

Daily rate distribution for jobs citing Linux in Central London over the 6 months to 4 June 2020.

Daily rate histogram for Linux in Central London

Linux
Contractor Hourly Rate Trend in Central London

3-month moving average hourly rates quoted in jobs citing Linux in Central London.

Hourly rate trend for Linux in Central London

Linux
Hourly Rate Histogram in Central London

Hourly rate distribution of jobs citing Linux in Central London over the 6 months to 4 June 2020.

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 4 June 2020. 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 -9 187 £525 -4.55% 63
City of Westminster -2 12 £600 +9.09%
West End of London +10 10 £600 +14.29%
Linux
London

For the 6 months to 4 June 2020, 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 91 (39.39%) DevOps
2 77 (33.33%) Python
3 76 (32.90%) Kubernetes
4 73 (31.60%) Docker
5 69 (29.87%) AWS
6 65 (28.14%) Windows
6 65 (28.14%) Agile Software Development
7 60 (25.97%) Unix
8 59 (25.54%) Java
9 58 (25.11%) SQL
10 55 (23.81%) Terraform
11 54 (23.38%) Ansible
12 52 (22.51%) Git (software)
13 50 (21.65%) Jenkins
14 49 (21.21%) Azure
15 44 (19.05%) Finance
16 41 (17.75%) Bash Shell
17 39 (16.88%) Infrastructure as Code
18 36 (15.58%) Security Cleared
19 33 (14.29%) JIRA
19 33 (14.29%) Microsoft
20 29 (12.55%) Microservices
21 28 (12.12%) PowerShell
22 27 (11.69%) Continuous Integration
22 27 (11.69%) Confluence
22 27 (11.69%) Puppet
22 27 (11.69%) Active Directory
22 27 (11.69%) Public Sector
23 26 (11.26%) Oracle
24 25 (10.82%) JavaScript

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 27 (11.69%) Confluence
2 14 (6.06%) Apache
3 11 (4.76%) Apache Spark
4 9 (3.90%) Tomcat
5 7 (3.03%) Elasticsearch
6 5 (2.16%) SharePoint
7 4 (1.73%) CMS
7 4 (1.73%) WebLogic
8 3 (1.30%) Apache Airflow
8 3 (1.30%) nginx
8 3 (1.30%) Oracle SOA Suite
8 3 (1.30%) SAS
9 2 (0.87%) Drupal
9 2 (0.87%) WebSphere
10 1 (0.43%) DataSynapse
10 1 (0.43%) IIS
10 1 (0.43%) OpenStack
10 1 (0.43%) SharePoint Server
10 1 (0.43%) Skype for Business
10 1 (0.43%) SugarCRM
Applications
1 4 (1.73%) Microsoft Office
2 2 (0.87%) Microsoft Excel
2 2 (0.87%) SPSS
Business Applications
1 3 (1.30%) Temenos T24
2 2 (0.87%) Magento
3 1 (0.43%) Refinitiv Enterprise Platform
3 1 (0.43%) SAP Oil and Gas
Cloud Services
1 69 (29.87%) AWS
2 49 (21.21%) Azure
3 24 (10.39%) Amazon EC2
4 18 (7.79%) GCP
5 12 (5.19%) IaaS
6 10 (4.33%) Amazon S3
7 8 (3.46%) Amazon EKS
7 8 (3.46%) AWS CloudFormation
7 8 (3.46%) Serverless
8 6 (2.60%) GitHub
8 6 (2.60%) OpenShift
8 6 (2.60%) Virtual Private Cloud
9 5 (2.16%) Amazon CloudWatch
9 5 (2.16%) AWS Lambda
9 5 (2.16%) Cloud Computing
10 4 (1.73%) Amazon ELB
10 4 (1.73%) NuGet
10 4 (1.73%) Power Platform
10 4 (1.73%) Route 53
11 3 (1.30%) PaaS
Communications & Networking
1 17 (7.36%) DNS
2 11 (4.76%) Internet
2 11 (4.76%) TCP/IP
3 9 (3.90%) DHCP
3 9 (3.90%) Firewall
3 9 (3.90%) HTTP
4 4 (1.73%) SSL
5 3 (1.30%) FTP
5 3 (1.30%) Intranet
5 3 (1.30%) VPN
6 2 (0.87%) Ethernet
6 2 (0.87%) Intrusion Detection
6 2 (0.87%) IPv4
6 2 (0.87%) IPv6
6 2 (0.87%) OpenVPN
6 2 (0.87%) WAN
6 2 (0.87%) Wi-Fi
7 1 (0.43%) AMQP
7 1 (0.43%) NAS
7 1 (0.43%) VLAN
Database & Business Intelligence
1 23 (9.96%) Big Data
2 19 (8.23%) SQL Server
3 18 (7.79%) MongoDB
3 18 (7.79%) MySQL
4 14 (6.06%) NoSQL
5 10 (4.33%) Relational Database
6 9 (3.90%) Amazon RDS
7 8 (3.46%) Oracle Database
8 7 (3.03%) Data Warehouse
8 7 (3.03%) Hadoop
8 7 (3.03%) Redis
9 5 (2.16%) PostgreSQL
10 4 (1.73%) Cosmos DB
10 4 (1.73%) MariaDB
10 4 (1.73%) Power BI
10 4 (1.73%) SQL Server Analysis Services
10 4 (1.73%) SQL Server Integration Services
10 4 (1.73%) SQL Server Reporting Services
11 3 (1.30%) RDBMS
12 2 (0.87%) Oracle Database 11g
Development Applications
1 52 (22.51%) Git (software)
2 50 (21.65%) Jenkins
3 33 (14.29%) JIRA
4 9 (3.90%) Maven
5 7 (3.03%) GitLab
6 6 (2.60%) Atlassian Bamboo
6 6 (2.60%) TeamCity
7 5 (2.16%) Bitbucket
7 5 (2.16%) Gradle
7 5 (2.16%) JUnit
7 5 (2.16%) Mockito
7 5 (2.16%) Sonatype Nexus
8 4 (1.73%) Selenium
8 4 (1.73%) Team Foundation Server
8 4 (1.73%) Visual Studio Team System
9 3 (1.30%) FishEye
9 3 (1.30%) gulp
9 3 (1.30%) SonarQube
10 2 (0.87%) Geb
10 2 (0.87%) webpack
General
1 44 (19.05%) Finance
2 27 (11.69%) Public Sector
3 22 (9.52%) Banking
4 6 (2.60%) Telecoms
5 5 (2.16%) Back Office
5 5 (2.16%) Retail
6 4 (1.73%) Front Office
6 4 (1.73%) Investment Banking
7 3 (1.30%) Electronics
7 3 (1.30%) Law
7 3 (1.30%) Manufacturing
7 3 (1.30%) Marketing
8 2 (0.87%) French Language
9 1 (0.43%) Legal
9 1 (0.43%) Prime Brokerage
Job Titles
1 59 (25.54%) DevOps Engineer
2 48 (20.78%) Developer
3 18 (7.79%) Java Developer
4 15 (6.49%) Architect
5 14 (6.06%) Analyst
5 14 (6.06%) Cloud Engineer
6 13 (5.63%) AWS DevOps
6 13 (5.63%) AWS Engineer
7 12 (5.19%) AWS DevOps Engineer
8 10 (4.33%) Cloud Architect
8 10 (4.33%) Linux Engineer
9 9 (3.90%) Consultant
10 8 (3.46%) Administrator
10 8 (3.46%) Data Engineer
11 7 (3.03%) Azure Engineer
11 7 (3.03%) Linux Developer
11 7 (3.03%) Senior Developer
12 6 (2.60%) Infrastructure Engineer
12 6 (2.60%) Python Developer
12 6 (2.60%) Windows Engineer
Libraries, Frameworks & Software Standards
1 16 (6.93%) HTML
1 16 (6.93%) Web Services
2 13 (5.63%) REST
2 13 (5.63%) SOAP
3 12 (5.19%) .NET
3 12 (5.19%) Node.js
4 11 (4.76%) Kafka
4 11 (4.76%) Spring
5 10 (4.33%) JSON
5 10 (4.33%) XML
6 9 (3.90%) CSS
7 8 (3.46%) LDAP
8 6 (2.60%) ActiveMQ
8 6 (2.60%) Celery
8 6 (2.60%) HTML5
8 6 (2.60%) jQuery
8 6 (2.60%) Middleware
8 6 (2.60%) RabbitMQ
8 6 (2.60%) RESTful
8 6 (2.60%) Spring Boot
Miscellaneous
1 18 (7.79%) Analytical Skills
2 12 (5.19%) Linux Command Line
3 9 (3.90%) Cloud Native
4 8 (3.46%) Data Centre
4 8 (3.46%) Public Cloud
5 7 (3.03%) Management Information System
6 6 (2.60%) Greenfield Project
7 5 (2.16%) Enterprise Software
7 5 (2.16%) Hybrid Cloud
7 5 (2.16%) Virtual Team
8 4 (1.73%) Clustering
8 4 (1.73%) Data Structures
9 3 (1.30%) Blog
9 3 (1.30%) Hedge funds
9 3 (1.30%) Replication
9 3 (1.30%) Security Operations Centre
9 3 (1.30%) Self-Motivation
9 3 (1.30%) SWIFT
10 2 (0.87%) Algorithms
10 2 (0.87%) User Experience
Operating Systems
1 65 (28.14%) Windows
2 60 (25.97%) Unix
3 23 (9.96%) Windows Server
4 20 (8.66%) Red Hat Enterprise Linux
5 10 (4.33%) Ubuntu
6 9 (3.90%) Mac OS X
7 6 (2.60%) CentOS
7 6 (2.60%) Solaris
8 4 (1.73%) Android
8 4 (1.73%) Debian
9 2 (0.87%) SUSE
9 2 (0.87%) Windows 10
10 1 (0.43%) AIX
10 1 (0.43%) Amazon Linux
10 1 (0.43%) Apple iOS
10 1 (0.43%) Embedded Linux
10 1 (0.43%) Oracle Linux
10 1 (0.43%) Windows Server 2003
Processes & Methodologies
1 91 (39.39%) DevOps
2 65 (28.14%) Agile Software Development
3 39 (16.88%) Infrastructure as Code
4 29 (12.55%) Microservices
5 27 (11.69%) Continuous Integration
6 25 (10.82%) Migration
7 23 (9.96%) Configuration Management
8 16 (6.93%) Test Automation
9 15 (6.49%) TDD
10 14 (6.06%) Open Source
11 13 (5.63%) Information Security
12 12 (5.19%) ITIL
12 12 (5.19%) Problem-Solving
12 12 (5.19%) Software Engineering
13 11 (4.76%) High Availability
14 10 (4.33%) BDD
14 10 (4.33%) Performance Tuning
15 9 (3.90%) Analytics
15 9 (3.90%) Continuous Delivery
15 9 (3.90%) Scrum
Programming Languages
1 77 (33.33%) Python
2 59 (25.54%) Java
3 58 (25.11%) SQL
4 41 (17.75%) Bash Shell
5 28 (12.12%) PowerShell
6 25 (10.82%) JavaScript
7 20 (8.66%) PHP
8 18 (7.79%) Shell Script
9 17 (7.36%) Ruby
10 15 (6.49%) Perl
11 13 (5.63%) Java 8
12 12 (5.19%) Groovy
13 10 (4.33%) C
13 10 (4.33%) Go
14 7 (3.03%) PL/SQL
15 6 (2.60%) C++
16 5 (2.16%) C#
16 5 (2.16%) TypeScript
16 5 (2.16%) VBScript
17 3 (1.30%) T-SQL
Qualifications
1 36 (15.58%) Security Cleared
2 22 (9.52%) SC Cleared
3 7 (3.03%) Degree
4 4 (1.73%) ISEB
5 3 (1.30%) CISA
5 3 (1.30%) Cisco Certification
5 3 (1.30%) CISM
5 3 (1.30%) CISSP
5 3 (1.30%) Computer Science Degree
5 3 (1.30%) CREST Certified
5 3 (1.30%) GIAC
5 3 (1.30%) ISTQB
5 3 (1.30%) ISTQB Foundation Certification
6 2 (0.87%) AWS Certification
6 2 (0.87%) DV Cleared
6 2 (0.87%) Microsoft Certification
7 1 (0.43%) CCNA
7 1 (0.43%) ITIL Certification
7 1 (0.43%) Network+ Certification
7 1 (0.43%) Postgraduate
Quality Assurance & Compliance
1 7 (3.03%) QA
2 3 (1.30%) SLA
3 1 (0.43%) Data Quality
3 1 (0.43%) ISO/IEC 20000
3 1 (0.43%) NIST
System Software
1 73 (31.60%) Docker
2 27 (11.69%) Active Directory
3 6 (2.60%) VMware Infrastructure
4 5 (2.16%) BitLocker
4 5 (2.16%) Virtual Servers
5 3 (1.30%) Virtual Machines
6 2 (0.87%) Apache Flume
6 2 (0.87%) HDFS
6 2 (0.87%) Hyper-V
6 2 (0.87%) Veritas Cluster Server
6 2 (0.87%) VirtualBox
7 1 (0.43%) Microsoft Virtual Server
7 1 (0.43%) Oracle RAC
7 1 (0.43%) Terminal Server
7 1 (0.43%) VMware NSX
7 1 (0.43%) vSphere
7 1 (0.43%) Xen
Systems Management
1 76 (32.90%) Kubernetes
2 55 (23.81%) Terraform
3 54 (23.38%) Ansible
4 27 (11.69%) Puppet
5 19 (8.23%) Packer
6 17 (7.36%) Opscode Chef
7 16 (6.93%) Istio
8 8 (3.46%) Grafana
9 7 (3.03%) Prometheus
10 5 (2.16%) EnCase
10 5 (2.16%) FTK
11 4 (1.73%) Data Guard
11 4 (1.73%) logstash
11 4 (1.73%) Oracle Enterprise Manager
11 4 (1.73%) Salt
12 3 (1.30%) Docker Swarm
12 3 (1.30%) Kibana
12 3 (1.30%) Rancher
12 3 (1.30%) SCOM
12 3 (1.30%) Single Sign-On
Vendors
1 33 (14.29%) Microsoft
2 26 (11.26%) Oracle
3 16 (6.93%) Red Hat
4 12 (5.19%) Google
5 11 (4.76%) VMware
6 10 (4.33%) Splunk
7 9 (3.90%) Cisco
8 7 (3.03%) SAP
9 6 (2.60%) Atlassian
9 6 (2.60%) Sybase
10 5 (2.16%) Cellebrite
10 5 (2.16%) CyberArk
11 4 (1.73%) HP
11 4 (1.73%) SaltStack
11 4 (1.73%) ServiceNow
11 4 (1.73%) Sun
12 3 (1.30%) PeopleSoft
12 3 (1.30%) Remedy
12 3 (1.30%) Temenos
12 3 (1.30%) Veritas