Period
to 20 April 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 20 April 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
20 Apr 2021
Same period 2020 Same period 2019
Rank 27 28 19
Rank change year-on-year +1 -9 -4
Contract jobs citing Linux 1,510 1,541 3,423
As % of all contract jobs advertised in London 6.81% 6.54% 8.11%
As % of the Operating Systems category 46.84% 37.49% 43.80%
Number of daily rates quoted 1,044 1,086 2,410
10th Percentile £363 £357 £380
25th Percentile £450 £425 £450
Median daily rate (50th Percentile) £525 £525 £550
Median % change year-on-year - -4.55% +4.76%
75th Percentile £638 £618 £625
90th Percentile £700 £700 £688
England median daily rate £500 £500 £500
Number of hourly rates quoted 6 11 21
10th Percentile £42.50 £15.00 £24.23
25th Percentile £44.75 £41.77 £32.50
Median hourly rate £54.50 £50.00 £45.00
Median % change year-on-year +9.00% +11.11% +20.00%
75th Percentile £73.94 £53.75 £52.50
90th Percentile £78.50 £55.00 £53.75
England median hourly rate £47.50 £47.00 £45.00
% change year-on-year +1.06% +4.44% +5.88%

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 3,224 4,110 7,815
As % of all contract IT jobs advertised in London 14.54% 17.43% 18.50%
Number of daily rates quoted 2,288 2,914 5,510
10th Percentile £272 £163 £181
25th Percentile £400 £319 £363
Median daily rate (50th Percentile) £500 £450 £480
Median % change year-on-year +11.11% -6.25% +1.05%
75th Percentile £588 £575 £575
90th Percentile £675 £650 £650
England median daily rate £450 £425 £438
% change year-on-year +5.88% -2.86% -
Number of hourly rates quoted 38 125 203
10th Percentile £15.57 £14.15 £12.80
25th Percentile £23.00 £18.00 £16.00
Median hourly rate £41.00 £21.25 £20.00
Median % change year-on-year +92.94% +6.25% +6.95%
75th Percentile £63.25 £47.83 £30.25
90th Percentile £66.95 £63.75 £47.35
England median hourly rate £17.77 £17.25 £17.00
% change year-on-year +3.01% +1.47% -

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 20 April 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 20 April 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 20 April 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 -9 149 £550 - 231
West London +22 42 £500 +17.65% 77
East London +11 20 £400 -23.81% 30
South London +5 20 £438 -16.67% 18
North London +6 4 £306 -38.75% 6
Linux
England

For the 6 months to 20 April 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.

1 509 (33.71%) Python
2 488 (32.32%) DevOps
3 436 (28.87%) Java
4 406 (26.89%) AWS
5 405 (26.82%) Kubernetes
6 402 (26.62%) Agile Software Development
7 400 (26.49%) Windows
8 382 (25.30%) Unix
9 379 (25.10%) Docker
10 341 (22.58%) Terraform
11 337 (22.32%) Ansible
12 330 (21.85%) Finance
13 272 (18.01%) Azure
14 254 (16.82%) Banking
15 249 (16.49%) SQL
16 248 (16.42%) Git (software)
17 247 (16.36%) Jenkins
18 201 (13.31%) Security Cleared
19 183 (12.12%) Oracle
20 180 (11.92%) Red Hat Enterprise Linux
21 170 (11.26%) Spring
21 170 (11.26%) Test Automation
22 167 (11.06%) SC Cleared
23 163 (10.79%) Red Hat
24 162 (10.73%) C++
25 160 (10.60%) VMware
26 155 (10.26%) Bash Shell
27 154 (10.20%) Scrum
28 152 (10.07%) Microservices
29 151 (10.00%) PowerShell

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 80 (5.30%) Confluence
2 68 (4.50%) Apache
3 63 (4.17%) Mule
4 43 (2.85%) Apache Spark
5 39 (2.58%) Tomcat
6 34 (2.25%) JBoss
7 30 (1.99%) Elasticsearch
7 30 (1.99%) Red Hat Fuse
8 26 (1.72%) WebSphere
9 21 (1.39%) IIS
9 21 (1.39%) nginx
10 20 (1.32%) WebLogic
11 18 (1.19%) CMS
12 14 (0.93%) Cloud Foundry
13 13 (0.86%) Oracle SOA Suite
14 11 (0.73%) Apache Airflow
14 11 (0.73%) WebLogic Portal
15 9 (0.60%) OpenStack
15 9 (0.60%) SAS
15 9 (0.60%) SharePoint
Applications
1 15 (0.99%) Microsoft Excel
2 5 (0.33%) MS Visio
3 4 (0.26%) Microsoft Office
4 3 (0.20%) Adobe Creative Suite
5 2 (0.13%) Microsoft PowerPoint
Business Applications
1 16 (1.06%) ION MarketView
2 15 (0.99%) Oracle EBS
3 12 (0.79%) Oracle Applications
4 7 (0.46%) Sentinel
5 5 (0.33%) Eikon
5 5 (0.33%) Refinitiv Enterprise Platform
6 2 (0.13%) Dynamics NAV
6 2 (0.13%) HFM
6 2 (0.13%) Kondor
6 2 (0.13%) Oracle EBS R12
6 2 (0.13%) Oracle Payables
6 2 (0.13%) R3 Corda
6 2 (0.13%) Remedy ITSM
6 2 (0.13%) Salerio
7 1 (0.066%) Bloomberg TOMS
7 1 (0.066%) BusinessWorks
7 1 (0.066%) Oracle BPM
7 1 (0.066%) Oracle ERP
7 1 (0.066%) Oracle iProcurement
7 1 (0.066%) thinkFolio
Cloud Services
1 406 (26.89%) AWS
2 272 (18.01%) Azure
3 96 (6.36%) GCP
4 89 (5.89%) GitHub
5 80 (5.30%) PaaS
6 74 (4.90%) IaaS
7 59 (3.91%) AWS CloudFormation
8 57 (3.77%) Serverless
9 51 (3.38%) OpenShift
10 48 (3.18%) AWS Lambda
11 41 (2.72%) Amazon EC2
11 41 (2.72%) SaaS
12 37 (2.45%) Amazon S3
13 32 (2.12%) Cloud Computing
14 26 (1.72%) Virtual Private Cloud
15 24 (1.59%) Amazon EKS
16 22 (1.46%) Amazon ECS
17 21 (1.39%) Microsoft 365
18 18 (1.19%) Amazon CloudWatch
19 15 (0.99%) Amazon ELB
Communications & Networking
1 126 (8.34%) Firewall
2 63 (4.17%) TCP/IP
3 60 (3.97%) DNS
4 48 (3.18%) HTTP
4 48 (3.18%) Multicast
5 34 (2.25%) DHCP
6 32 (2.12%) LAN
6 32 (2.12%) WAN
7 31 (2.05%) VPN
8 29 (1.92%) Network Security
8 29 (1.92%) SAN
9 28 (1.85%) SSL
10 20 (1.32%) Wireshark
11 19 (1.26%) Internet
11 19 (1.26%) Wireless
12 17 (1.13%) HTTPS
13 15 (0.99%) Wi-Fi
14 12 (0.79%) Cisco Nexus
14 12 (0.79%) FTP
14 12 (0.79%) NAS
Database & Business Intelligence
1 127 (8.41%) Relational Database
2 119 (7.88%) SQL Server
3 80 (5.30%) MongoDB
3 80 (5.30%) MySQL
4 72 (4.77%) PostgreSQL
5 68 (4.50%) NoSQL
6 56 (3.71%) Big Data
7 53 (3.51%) Oracle Database
8 50 (3.31%) Hadoop
9 32 (2.12%) Apache Cassandra
10 23 (1.52%) Amazon RDS
10 23 (1.52%) Oracle Database 11g
10 23 (1.52%) Redis
11 22 (1.46%) Data Warehouse
11 22 (1.46%) Oracle Database 12c
12 21 (1.39%) DB2
13 20 (1.32%) Apache Hive
14 16 (1.06%) HBase
15 15 (0.99%) RDBMS
16 14 (0.93%) Hazelcast
Development Applications
1 248 (16.42%) Git (software)
2 247 (16.36%) Jenkins
3 123 (8.15%) JIRA
4 97 (6.42%) GitLab
5 64 (4.24%) Maven
6 46 (3.05%) Subversion
7 45 (2.98%) Bitbucket
7 45 (2.98%) TeamCity
8 38 (2.52%) Artifactory
9 31 (2.05%) GDB
10 30 (1.99%) JUnit
11 27 (1.79%) Sonatype Nexus
12 25 (1.66%) SonarQube
13 23 (1.52%) Atlassian Bamboo
14 21 (1.39%) Cucumber
14 21 (1.39%) Gradle
14 21 (1.39%) Visual Studio
15 20 (1.32%) JMeter
16 19 (1.26%) Hudson
16 19 (1.26%) Mockito
General
1 330 (21.85%) Finance
2 254 (16.82%) Banking
3 119 (7.88%) Front Office
4 99 (6.56%) Investment Banking
5 56 (3.71%) Public Sector
6 49 (3.25%) Telecoms
7 28 (1.85%) Marketing
8 25 (1.66%) Manufacturing
9 20 (1.32%) Electronics
10 17 (1.13%) Back Office
11 16 (1.06%) Financial Institution
12 15 (0.99%) Retail
13 10 (0.66%) Billing
14 7 (0.46%) Advertising
14 7 (0.46%) Games
15 6 (0.40%) French Language
15 6 (0.40%) iGaming
15 6 (0.40%) Law
16 5 (0.33%) International Banking
16 5 (0.33%) Pharmaceutical
Job Titles
1 435 (28.81%) Developer
2 247 (16.36%) DevOps Engineer
3 176 (11.66%) Java Developer
4 104 (6.89%) Architect
5 98 (6.49%) AWS DevOps
6 92 (6.09%) AWS Engineer
7 91 (6.03%) Senior Developer
8 81 (5.36%) C++ Developer
9 68 (4.50%) Cloud Engineer
10 65 (4.30%) AWS DevOps Engineer
11 64 (4.24%) Linux Engineer
12 63 (4.17%) Administrator
12 63 (4.17%) Azure Engineer
13 57 (3.77%) Analyst
14 55 (3.64%) Infrastructure Engineer
15 54 (3.58%) Senior Java Developer
16 49 (3.25%) Integration Developer
17 45 (2.98%) Senior DevOps
18 42 (2.78%) Consultant
19 40 (2.65%) Senior DevOps Engineer
Libraries, Frameworks & Software Standards
1 170 (11.26%) Spring
2 116 (7.68%) Middleware
2 116 (7.68%) REST
3 107 (7.09%) Kafka
4 105 (6.95%) Web Services
5 96 (6.36%) .NET
6 81 (5.36%) Apache Camel
7 80 (5.30%) HTML
8 63 (4.17%) Spring Integration
9 58 (3.84%) JSON
10 54 (3.58%) Node.js
11 52 (3.44%) AngularJS
12 49 (3.25%) CSS
13 47 (3.11%) Elastic Stack
14 45 (2.98%) Hibernate
14 45 (2.98%) Spring Boot
15 43 (2.85%) RESTful
16 42 (2.78%) .NET Core
16 42 (2.78%) FIX Protocol
17 40 (2.65%) YAML
Miscellaneous
1 71 (4.70%) Algorithms
2 70 (4.64%) Foreign Exchange (FX)
3 69 (4.57%) Data Centre
4 65 (4.30%) Analytical Skills
5 63 (4.17%) Clustering
6 62 (4.11%) Management Information System
7 47 (3.11%) Data Structures
8 46 (3.05%) Fixed Income
8 46 (3.05%) Public Cloud
9 44 (2.91%) Enterprise Software
10 42 (2.78%) Cloud Native
10 42 (2.78%) Hedge funds
11 37 (2.45%) Linux Command Line
12 29 (1.92%) Greenfield Project
13 23 (1.52%) Hybrid Cloud
14 21 (1.39%) Equities
15 19 (1.26%) Grid Computing
15 19 (1.26%) Private Cloud
15 19 (1.26%) User Experience
16 18 (1.19%) Self-Motivation
Operating Systems
1 400 (26.49%) Windows
2 382 (25.30%) Unix
3 180 (11.92%) Red Hat Enterprise Linux
4 95 (6.29%) Windows Server
5 78 (5.17%) CentOS
6 46 (3.05%) Solaris
7 39 (2.58%) Ubuntu
8 30 (1.99%) Mac OS X
9 25 (1.66%) Windows Server 2012
10 20 (1.32%) Mac OS
10 20 (1.32%) Windows Server 2008
11 19 (1.26%) AIX
12 17 (1.13%) Windows 10
13 16 (1.06%) Windows Server 2016
14 14 (0.93%) Windows Server 2019
15 13 (0.86%) Android
15 13 (0.86%) VMS
16 12 (0.79%) SUSE
16 12 (0.79%) SUSE Linux Enterprise Server
17 10 (0.66%) OpenWrt
Processes & Methodologies
1 488 (32.32%) DevOps
2 402 (26.62%) Agile Software Development
3 170 (11.26%) Test Automation
4 154 (10.20%) Scrum
5 152 (10.07%) Microservices
6 146 (9.67%) Infrastructure as Code
7 143 (9.47%) Configuration Management
7 143 (9.47%) Continuous Integration
7 143 (9.47%) TDD
8 126 (8.34%) Problem-Solving
9 124 (8.21%) Software Engineering
10 106 (7.02%) Open Source
11 101 (6.69%) High Availability
12 100 (6.62%) Performance Tuning
13 82 (5.43%) Low Latency
14 81 (5.36%) Infrastructure Engineering
15 79 (5.23%) Migration
16 74 (4.90%) Cybersecurity
17 71 (4.70%) Site Reliability Engineering
18 66 (4.37%) ITIL
Programming Languages
1 509 (33.71%) Python
2 436 (28.87%) Java
3 249 (16.49%) SQL
4 162 (10.73%) C++
5 155 (10.26%) Bash Shell
6 151 (10.00%) PowerShell
7 137 (9.07%) JavaScript
8 101 (6.69%) Shell Script
9 84 (5.56%) C#
10 70 (4.64%) Perl
11 67 (4.44%) Java 8
12 63 (4.17%) C
13 60 (3.97%) Ruby
14 54 (3.58%) Scala
15 52 (3.44%) Go
16 40 (2.65%) PL/SQL
17 31 (2.05%) PHP
18 25 (1.66%) TypeScript
19 24 (1.59%) Groovy
20 14 (0.93%) Rust
Qualifications
1 201 (13.31%) Security Cleared
2 167 (11.06%) SC Cleared
3 75 (4.97%) Degree
4 47 (3.11%) DV Cleared
5 23 (1.52%) Computer Science Degree
6 15 (0.99%) CISSP
7 14 (0.93%) AWS Certification
7 14 (0.93%) Cisco Certification
8 12 (0.79%) GIAC
8 12 (0.79%) Master's Degree
8 12 (0.79%) RHCA
9 10 (0.66%) CCNA
9 10 (0.66%) CCNP
9 10 (0.66%) VMware Certified Professional (VCP)
10 9 (0.60%) TOGAF Certification
11 8 (0.53%) CISM
11 8 (0.53%) RHCE
12 5 (0.33%) CISA
12 5 (0.33%) MCSE
12 5 (0.33%) Microsoft Certification
Quality Assurance & Compliance
1 56 (3.71%) QA
2 21 (1.39%) NIST
3 19 (1.26%) SLA
4 18 (1.19%) GDPR
5 15 (0.99%) ISO/IEC 27001
6 9 (0.60%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
6 9 (0.60%) Sarbanes-Oxley
7 8 (0.53%) JTAG
8 6 (0.40%) PCI DSS
9 5 (0.33%) HIPAA
9 5 (0.33%) MiFID
10 4 (0.26%) COBIT
11 3 (0.20%) Data Quality
11 3 (0.20%) RMADS
11 3 (0.20%) WCAG
12 2 (0.13%) Dodd-Frank
12 2 (0.13%) Government Security Classifications
12 2 (0.13%) PMO
12 2 (0.13%) SEPA
13 1 (0.066%) NIST 800
System Software
1 379 (25.10%) Docker
2 110 (7.28%) VMware Infrastructure
3 92 (6.09%) Active Directory
4 43 (2.85%) VMware ESXi
5 42 (2.78%) Virtual Machines
6 27 (1.79%) vSphere
7 20 (1.32%) Hyper-V
7 20 (1.32%) KVM
8 19 (1.26%) HDFS
9 15 (0.99%) Oracle RAC
10 13 (0.86%) Apache ZooKeeper
11 12 (0.79%) NFS
11 12 (0.79%) Xen
12 11 (0.73%) VMware NSX
13 8 (0.53%) Firmware
13 8 (0.53%) iptables
14 7 (0.46%) GridGain
14 7 (0.46%) Samba
15 6 (0.40%) Veritas Cluster Server
16 5 (0.33%) BitLocker
Systems Management
1 405 (26.82%) Kubernetes
2 341 (22.58%) Terraform
3 337 (22.32%) Ansible
4 149 (9.87%) Puppet
5 90 (5.96%) Opscode Chef
6 54 (3.58%) Grafana
7 47 (3.11%) Prometheus
8 31 (2.05%) Packer
9 30 (1.99%) Salt
10 17 (1.13%) vRealize
11 15 (0.99%) Oracle RMAN
12 14 (0.93%) ITRS Geneos
12 14 (0.93%) Kibana
13 13 (0.86%) Docker Swarm
13 13 (0.86%) Nagios
14 11 (0.73%) Control-M
15 10 (0.66%) Consul
15 10 (0.66%) Istio
16 9 (0.60%) ZABBIX
17 8 (0.53%) SCOM
Vendors
1 183 (12.12%) Oracle
2 163 (10.79%) Red Hat
3 160 (10.60%) VMware
4 142 (9.40%) Microsoft
5 75 (4.97%) Splunk
6 71 (4.70%) Cisco
7 61 (4.04%) IBM
8 58 (3.84%) Google
9 35 (2.32%) Atlassian
10 33 (2.19%) Citrix
11 30 (1.99%) Sybase
12 29 (1.92%) SAP
13 27 (1.79%) HP
13 27 (1.79%) ION Trading
13 27 (1.79%) SaltStack
14 22 (1.46%) Hortonworks
15 21 (1.39%) AppDynamics
15 21 (1.39%) Juniper
15 21 (1.39%) ServiceNow
16 20 (1.32%) Dell