Period
to 18 January 2021

The following table provides summary statistics for contract job vacancies advertised in 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 2021 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
England > London
6 months to
18 Jan 2021
Same period 2020 Same period 2019
Rank 21 25 18
Rank change year-on-year +4 -7 -5
Contract jobs citing Linux 1,311 2,012 3,641
As % of all contract jobs advertised in London 7.52% 6.69% 8.19%
As % of the Operating Systems category 47.45% 38.06% 42.05%
Number of daily rates quoted 1,028 1,408 2,655
Median daily rate £525 £525 £525
10th Percentile £353 £338 £375
90th Percentile £699 £700 £675
England median daily rate £500 £500 £500
Number of hourly rates quoted 10 21 18
Median hourly rate £38.75 £47.50 £42.50
Median hourly rate % change year-on-year -18.42% +11.76% +21.43%
10th Percentile £25.00 £18.75 £23.34
90th Percentile £78.30 £57.50 £54.01
England median hourly rate £43.00 £45.00 £45.00
% change year-on-year -4.44% - +9.76%

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 London with a requirement for operating system skills.

All Operating Systems
London
Contract vacancies with a requirement for operating system skills 2,763 5,286 8,658
As % of all contract IT jobs advertised in London 15.85% 17.59% 19.46%
Number of daily rates quoted 1,945 3,717 6,117
Median daily rate £475 £450 £488
Median daily rate % change year-on-year +5.56% -7.69% +2.63%
10th Percentile £231 £158 £183
90th Percentile £654 £650 £650
England median daily rate £430 £413 £425
% change year-on-year +4.24% -2.94% -
Number of hourly rates quoted 33 173 236
Median hourly rate £29.65 £20.83 £18.70
Median hourly rate % change year-on-year +42.34% +11.39% -
10th Percentile £18.40 £14.00 £12.50
90th Percentile £63.20 £53.28 £40.63
Median hourly rate £17.50 £17.12 £17.33
% change year-on-year +2.22% -1.21% +1.94%

Linux
Job Vacancy Trend in London

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

Job vacancy trend for Linux in London

Linux
Contractor Daily Rate Trend in London

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

Daily rate trend for Linux in London

Linux
Daily Rate Histogram in London

Daily rate distribution for jobs citing Linux in London over the 6 months to 18 January 2021.

Daily rate histogram for Linux in London

Linux
Contractor Hourly Rate Trend in London

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

Hourly rate trend for Linux in London

Linux
Hourly Rate Histogram in London

Hourly rate distribution of jobs citing Linux in London over the 6 months to 18 January 2021.

Hourly rate histogram for Linux in London

Linux
Contract Job Locations in 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 London region over the 6 months to 18 January 2021. 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
Central London +7 157 £550 +4.76% 153
South London +7 35 £505 -1.46% 23
West London +5 29 £488 +5.41% 39
East London +2 10 £431 -28.13% 27
North London +10 8 £300 -33.33% 1
Linux
England

For the 6 months to 18 January 2021, 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 London region with a requirement for Linux.

1 455 (34.71%) Python
2 411 (31.35%) DevOps
3 390 (29.75%) Java
4 372 (28.38%) Agile Software Development
5 370 (28.22%) Kubernetes
6 327 (24.94%) Windows
7 321 (24.49%) Docker
8 312 (23.80%) AWS
9 307 (23.42%) Unix
10 280 (21.36%) Finance
11 249 (18.99%) Ansible
12 245 (18.69%) Terraform
13 235 (17.93%) Jenkins
14 220 (16.78%) Git (software)
15 206 (15.71%) Banking
16 203 (15.48%) Azure
17 193 (14.72%) SQL
18 183 (13.96%) Oracle
18 183 (13.96%) Security Cleared
19 173 (13.20%) C++
20 152 (11.59%) SC Cleared
21 147 (11.21%) Bash Shell
22 144 (10.98%) Spring
23 143 (10.91%) Relational Database
24 140 (10.68%) Red Hat
25 133 (10.14%) Puppet
26 131 (9.99%) Middleware
27 130 (9.92%) REST
28 129 (9.84%) Red Hat Enterprise Linux
29 127 (9.69%) Continuous Integration

Linux
Co-occurring IT Skills in 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 72 (5.49%) Confluence
2 65 (4.96%) Mule
3 58 (4.42%) JBoss
4 54 (4.12%) Apache
5 51 (3.89%) Red Hat Fuse
6 48 (3.66%) Tomcat
7 39 (2.97%) Elasticsearch
8 22 (1.68%) WebLogic
9 21 (1.60%) OpenStack
10 20 (1.53%) Apache Spark
11 19 (1.45%) Oracle SOA Suite
11 19 (1.45%) WebSphere
12 18 (1.37%) IIS
12 18 (1.37%) nginx
13 13 (0.99%) Jupyter
14 11 (0.84%) SAS
15 8 (0.61%) CMS
16 6 (0.46%) Cloud Foundry
17 5 (0.38%) Appian
17 5 (0.38%) Skype for Business
Applications
1 16 (1.22%) Microsoft Excel
2 6 (0.46%) MS Visio
3 3 (0.23%) Microsoft PowerPoint
4 2 (0.15%) Microsoft Office
5 1 (0.076%) Adobe Illustrator
5 1 (0.076%) InVision
5 1 (0.076%) Notepad++
5 1 (0.076%) Photoshop
5 1 (0.076%) Sketch
5 1 (0.076%) Zeplin
Business Applications
1 14 (1.07%) Oracle Applications
2 12 (0.92%) ION MarketView
3 8 (0.61%) Oracle EBS
4 3 (0.23%) Sparx Enterprise Architect
4 3 (0.23%) SunGard Martini
5 2 (0.15%) BusinessWorks
5 2 (0.15%) Magento
5 2 (0.15%) Oracle EBS R12
5 2 (0.15%) SAP Oil and Gas
6 1 (0.076%) Dynamics CRM
6 1 (0.076%) HFM
6 1 (0.076%) HiPortfolio
6 1 (0.076%) Markit EDM
6 1 (0.076%) MultiFonds
6 1 (0.076%) Oracle 11i
6 1 (0.076%) Remedy ITSM
6 1 (0.076%) Salerio
6 1 (0.076%) Sentinel
6 1 (0.076%) SimCorp Dimension
6 1 (0.076%) thinkFolio
Cloud Services
1 312 (23.80%) AWS
2 203 (15.48%) Azure
3 85 (6.48%) GCP
4 77 (5.87%) GitHub
5 65 (4.96%) OpenShift
6 60 (4.58%) Serverless
7 59 (4.50%) PaaS
8 49 (3.74%) AWS Lambda
9 48 (3.66%) Amazon EC2
9 48 (3.66%) Amazon S3
10 47 (3.59%) IaaS
11 46 (3.51%) AWS CloudFormation
12 37 (2.82%) Virtual Private Cloud
13 32 (2.44%) Cloud Computing
14 29 (2.21%) SaaS
15 25 (1.91%) Amazon CloudWatch
16 22 (1.68%) Amazon ECS
17 19 (1.45%) Amazon EKS
18 16 (1.22%) Amazon SQS
19 15 (1.14%) Route 53
Communications & Networking
1 116 (8.85%) Firewall
2 85 (6.48%) DNS
3 80 (6.10%) TCP/IP
4 62 (4.73%) HTTP
5 45 (3.43%) DHCP
6 39 (2.97%) VPN
7 37 (2.82%) Multicast
8 32 (2.44%) WAN
9 31 (2.36%) LAN
10 27 (2.06%) SSL
11 22 (1.68%) Network Security
12 21 (1.60%) FTP
13 19 (1.45%) SSH
14 17 (1.30%) VLAN
15 16 (1.22%) Wi-Fi
16 15 (1.14%) SAN
17 13 (0.99%) HTTPS
17 13 (0.99%) Internet
17 13 (0.99%) Intrusion Detection
17 13 (0.99%) Wireshark
Database & Business Intelligence
1 143 (10.91%) Relational Database
2 119 (9.08%) MySQL
3 104 (7.93%) SQL Server
4 67 (5.11%) MongoDB
5 64 (4.88%) NoSQL
6 53 (4.04%) Oracle Database
7 52 (3.97%) PostgreSQL
8 51 (3.89%) Big Data
9 34 (2.59%) Amazon RDS
10 31 (2.36%) Hadoop
11 26 (1.98%) Data Warehouse
12 21 (1.60%) Apache Cassandra
12 21 (1.60%) Oracle Database 12c
12 21 (1.60%) RDBMS
13 19 (1.45%) Blockchain
13 19 (1.45%) Redis
14 18 (1.37%) Oracle Database 11g
15 17 (1.30%) Amazon DynamoDB
16 13 (0.99%) DB2
16 13 (0.99%) Oracle BI EE
Development Applications
1 235 (17.93%) Jenkins
2 220 (16.78%) Git (software)
3 110 (8.39%) JIRA
4 75 (5.72%) Maven
5 69 (5.26%) GitLab
6 44 (3.36%) GDB
7 42 (3.20%) Subversion
8 37 (2.82%) GCC
9 36 (2.75%) Atlassian Bamboo
10 35 (2.67%) Cucumber
11 33 (2.52%) Artifactory
11 33 (2.52%) Bitbucket
12 32 (2.44%) JMeter
13 30 (2.29%) JUnit
13 30 (2.29%) TeamCity
14 22 (1.68%) Hudson
15 20 (1.53%) jMock
15 20 (1.53%) LoadRunner
15 20 (1.53%) Selenium
16 19 (1.45%) FishEye
General
1 280 (21.36%) Finance
2 206 (15.71%) Banking
3 115 (8.77%) Front Office
4 85 (6.48%) Investment Banking
5 45 (3.43%) Public Sector
6 24 (1.83%) Telecoms
7 22 (1.68%) Retail
8 14 (1.07%) Manufacturing
9 13 (0.99%) Advertising
9 13 (0.99%) Financial Institution
9 13 (0.99%) Marketing
10 10 (0.76%) French Language
11 9 (0.69%) Law
12 8 (0.61%) Electronics
13 7 (0.53%) Pharmaceutical
14 6 (0.46%) Back Office
14 6 (0.46%) Billing
15 4 (0.31%) Games
15 4 (0.31%) Publishing
16 3 (0.23%) Aerospace
Job Titles
1 405 (30.89%) Developer
2 197 (15.03%) DevOps Engineer
3 149 (11.37%) Java Developer
4 105 (8.01%) Architect
5 82 (6.25%) Senior Developer
6 78 (5.95%) AWS DevOps
6 78 (5.95%) C++ Developer
7 73 (5.57%) Linux Engineer
8 68 (5.19%) AWS Engineer
9 60 (4.58%) Analyst
9 60 (4.58%) Cloud Engineer
10 52 (3.97%) AWS DevOps Engineer
11 50 (3.81%) Integration Developer
12 47 (3.59%) Administrator
12 47 (3.59%) Consultant
13 44 (3.36%) Python Developer
14 39 (2.97%) Senior DevOps
15 36 (2.75%) Azure Engineer
15 36 (2.75%) Senior DevOps Engineer
16 35 (2.67%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 144 (10.98%) Spring
2 131 (9.99%) Middleware
3 130 (9.92%) REST
4 88 (6.71%) Apache Camel
5 87 (6.64%) Web Services
6 76 (5.80%) Kafka
7 75 (5.72%) HTML
8 65 (4.96%) Spring Integration
9 61 (4.65%) XML
10 53 (4.04%) JMS
11 48 (3.66%) Hibernate
12 46 (3.51%) .NET
13 45 (3.43%) HTML5
14 44 (3.36%) Node.js
15 42 (3.20%) Elastic Stack
15 42 (3.20%) JSON
16 41 (3.13%) CSS
17 40 (3.05%) AngularJS
17 40 (3.05%) FIX Protocol
18 38 (2.90%) Spring Boot
Miscellaneous
1 77 (5.87%) Analytical Skills
2 59 (4.50%) Fixed Income
3 57 (4.35%) Foreign Exchange (FX)
4 52 (3.97%) Linux Command Line
5 48 (3.66%) Public Cloud
6 42 (3.20%) Data Centre
7 40 (3.05%) Clustering
8 38 (2.90%) Algorithms
9 34 (2.59%) Enterprise Software
10 26 (1.98%) Greenfield Project
10 26 (1.98%) Management Information System
11 25 (1.91%) Equities
11 25 (1.91%) Private Cloud
12 23 (1.75%) Cloud Native
12 23 (1.75%) User Experience
13 22 (1.68%) Derivative
13 22 (1.68%) Self-Motivation
14 19 (1.45%) Data Structures
14 19 (1.45%) Hedge funds
14 19 (1.45%) Market Risk
Operating Systems
1 327 (24.94%) Windows
2 307 (23.42%) Unix
3 129 (9.84%) Red Hat Enterprise Linux
4 68 (5.19%) CentOS
4 68 (5.19%) Windows Server
5 46 (3.51%) Ubuntu
6 39 (2.97%) Solaris
7 21 (1.60%) Debian
8 20 (1.53%) Android
9 18 (1.37%) AIX
9 18 (1.37%) Windows Server 2012
10 17 (1.30%) Mac OS X
10 17 (1.30%) Oracle Linux
11 16 (1.22%) Windows Server 2016
12 15 (1.14%) VMS
13 14 (1.07%) Apple iOS
13 14 (1.07%) Windows 10
13 14 (1.07%) Windows Server 2008
14 13 (0.99%) Embedded Linux
14 13 (0.99%) Windows Server 2019
Processes & Methodologies
1 411 (31.35%) DevOps
2 372 (28.38%) Agile Software Development
3 127 (9.69%) Continuous Integration
3 127 (9.69%) TDD
4 125 (9.53%) Scrum
5 121 (9.23%) Test Automation
6 120 (9.15%) Microservices
7 106 (8.09%) Problem-Solving
8 101 (7.70%) Infrastructure as Code
9 97 (7.40%) Configuration Management
10 94 (7.17%) Open Source
11 77 (5.87%) Software Engineering
12 73 (5.57%) Computer Science
13 72 (5.49%) OO
14 71 (5.42%) High Availability
15 69 (5.26%) Migration
15 69 (5.26%) Performance Tuning
16 67 (5.11%) Low Latency
17 60 (4.58%) Analytics
17 60 (4.58%) Continuous Delivery
Programming Languages
1 455 (34.71%) Python
2 390 (29.75%) Java
3 193 (14.72%) SQL
4 173 (13.20%) C++
5 147 (11.21%) Bash Shell
6 121 (9.23%) JavaScript
7 114 (8.70%) Shell Script
8 99 (7.55%) PowerShell
9 92 (7.02%) Perl
10 55 (4.20%) Ruby
11 53 (4.04%) C
12 52 (3.97%) C#
13 49 (3.74%) Scala
14 48 (3.66%) Go
15 39 (2.97%) Java 8
16 32 (2.44%) PL/SQL
17 30 (2.29%) PHP
18 20 (1.53%) Groovy
19 14 (1.07%) R
19 14 (1.07%) T-SQL
Qualifications
1 183 (13.96%) Security Cleared
2 152 (11.59%) SC Cleared
3 72 (5.49%) Degree
4 39 (2.97%) DV Cleared
5 32 (2.44%) Computer Science Degree
6 22 (1.68%) AWS Certification
7 18 (1.37%) Master's Degree
8 13 (0.99%) Cisco Certification
8 13 (0.99%) CISSP
9 10 (0.76%) GCFA
10 9 (0.69%) RHCE
10 9 (0.69%) TOGAF Certification
11 8 (0.61%) CCNP
11 8 (0.61%) CompTIA Security+
11 8 (0.61%) RHCA
12 6 (0.46%) CCNA
12 6 (0.46%) GCIA
12 6 (0.46%) GCIH
12 6 (0.46%) RHCSA
12 6 (0.46%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 64 (4.88%) QA
2 32 (2.44%) NIST
3 20 (1.53%) GDPR
4 14 (1.07%) SLA
5 9 (0.69%) ISO/IEC 27001
5 9 (0.69%) PCI DSS
6 7 (0.53%) COBIT
6 7 (0.53%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
7 6 (0.46%) Sarbanes-Oxley
8 4 (0.31%) JTAG
8 4 (0.31%) WCAG
9 3 (0.23%) GxP
9 3 (0.23%) HIPAA
9 3 (0.23%) MiFID
10 2 (0.15%) Government Security Classifications
10 2 (0.15%) NCSC
10 2 (0.15%) PMO
10 2 (0.15%) RMADS
10 2 (0.15%) SEPA
11 1 (0.076%) Cyber Essentials
System Software
1 321 (24.49%) Docker
2 90 (6.86%) VMware Infrastructure
3 76 (5.80%) Active Directory
4 38 (2.90%) VMware ESXi
5 33 (2.52%) Virtual Machines
6 23 (1.75%) Oracle RAC
7 18 (1.37%) vSphere
8 16 (1.22%) Hyper-V
9 15 (1.14%) KVM
10 13 (0.99%) Xen
11 11 (0.84%) Apache ZooKeeper
12 7 (0.53%) HDFS
12 7 (0.53%) NFS
13 5 (0.38%) Active Directory Lightweight Directory Services
13 5 (0.38%) Firmware
13 5 (0.38%) Varnish
13 5 (0.38%) VMware NSX
14 4 (0.31%) Samba
14 4 (0.31%) vCloud
14 4 (0.31%) Veritas Cluster Server
Systems Management
1 370 (28.22%) Kubernetes
2 249 (18.99%) Ansible
3 245 (18.69%) Terraform
4 133 (10.14%) Puppet
5 77 (5.87%) Opscode Chef
6 40 (3.05%) Grafana
7 36 (2.75%) Prometheus
8 33 (2.52%) Nagios
9 25 (1.91%) Consul
9 25 (1.91%) Packer
10 22 (1.68%) Kibana
10 22 (1.68%) Salt
11 14 (1.07%) ITRS Geneos
11 14 (1.07%) Oracle RMAN
12 9 (0.69%) Icinga
12 9 (0.69%) Mesos
12 9 (0.69%) Nessus
12 9 (0.69%) Rancher
13 8 (0.61%) Opsview
13 8 (0.61%) vCenter Server
Vendors
1 183 (13.96%) Oracle
2 140 (10.68%) Red Hat
3 123 (9.38%) VMware
4 103 (7.86%) Splunk
5 98 (7.48%) Microsoft
6 49 (3.74%) Cisco
7 45 (3.43%) HP
8 42 (3.20%) Google
8 42 (3.20%) Sybase
9 41 (3.13%) IBM
10 39 (2.97%) Atlassian
11 29 (2.21%) Murex
12 25 (1.91%) CyberArk
12 25 (1.91%) Dell
13 24 (1.83%) AppDynamics
13 24 (1.83%) F5
14 21 (1.60%) Hortonworks
14 21 (1.60%) NetApp
15 20 (1.53%) Citrix
15 20 (1.53%) SAP