Period
to 25 July 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 25 July 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
25 Jul 2021
Same period 2020 Same period 2019
Rank 30 24 21
Rank change year-on-year -6 -3 -4
Contract jobs citing Linux 1,926 1,255 3,158
As % of all contract jobs advertised in London 6.51% 7.73% 7.80%
As % of the Operating Systems category 46.40% 44.47% 43.14%
Number of daily rates quoted 1,336 904 2,225
10th Percentile £400 £350 £381
25th Percentile £475 £425 £463
Median daily rate (50th Percentile) £550 £515 £550
Median % change year-on-year +6.80% -6.36% +3.77%
75th Percentile £650 £625 £625
90th Percentile £713 £700 £699
England median daily rate £525 £500 £500
% change year-on-year +5.00% - -
Number of hourly rates quoted 6 10 28
10th Percentile £33.25 £25.33 £24.18
25th Percentile £48.13 £35.63 £32.50
Median hourly rate £54.50 £48.25 £45.25
Median % change year-on-year +12.95% +6.63% +7.74%
75th Percentile £61.94 £53.75 £52.50
90th Percentile £65.63 £53.88 £53.75
England median hourly rate £50.00 £47.50 £45.00
% change year-on-year +5.26% +5.56% +8.43%

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 4,151 2,822 7,320
As % of all contract IT jobs advertised in London 14.02% 17.38% 18.08%
Number of daily rates quoted 2,925 2,026 5,231
10th Percentile £295 £216 £176
25th Percentile £413 £368 £363
Median daily rate (50th Percentile) £525 £485 £478
Median % change year-on-year +8.25% +1.46% +0.63%
75th Percentile £625 £575 £588
90th Percentile £700 £661 £656
England median daily rate £470 £450 £438
% change year-on-year +4.44% +2.86% -
Number of hourly rates quoted 56 56 184
10th Percentile £15.00 £14.44 £12.83
25th Percentile £16.27 £18.93 £16.08
Median hourly rate £27.18 £26.84 £20.92
Median % change year-on-year +1.26% +28.32% +9.59%
75th Percentile £60.00 £47.83 £28.31
90th Percentile £65.75 £53.75 £50.73
England median hourly rate £17.42 £17.88 £17.50
% change year-on-year -2.56% +2.14% -

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 25 July 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 25 July 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 25 July 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 -42 136 £550 +4.76% 274
West London +26 49 £515 +24.85% 84
East London +5 18 £400 -3.03% 27
South London -7 14 £575 +15.00% 24
North London +4 2 £306 -38.75% 1
Linux
England

For the 6 months to 25 July 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.

1 733 (38.06%) Python
2 639 (33.18%) DevOps
3 584 (30.32%) Windows
4 565 (29.34%) Java
5 564 (29.28%) AWS
6 547 (28.40%) Agile Software Development
7 493 (25.60%) Finance
8 487 (25.29%) Ansible
9 454 (23.57%) Terraform
9 454 (23.57%) Unix
10 438 (22.74%) Docker
11 428 (22.22%) Azure
12 425 (22.07%) SQL
13 391 (20.30%) Kubernetes
14 363 (18.85%) Social Skills
15 351 (18.22%) Banking
16 329 (17.08%) Jenkins
17 325 (16.87%) Oracle
18 312 (16.20%) Git (software)
19 263 (13.66%) Bash Shell
20 261 (13.55%) Red Hat Enterprise Linux
21 234 (12.15%) Test Automation
21 234 (12.15%) Microservices
22 233 (12.10%) Spring
22 233 (12.10%) VMware
23 230 (11.94%) Puppet
24 227 (11.79%) Red Hat
25 213 (11.06%) PowerShell
26 210 (10.90%) C++
27 203 (10.54%) Configuration Management

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
1 106 (5.50%) Confluence
2 105 (5.45%) Apache
3 77 (4.00%) Tomcat
4 62 (3.22%) Mule
5 57 (2.96%) Apache Spark
6 51 (2.65%) WebSphere
7 44 (2.28%) WebLogic
8 37 (1.92%) JBoss
9 36 (1.87%) IIS
10 31 (1.61%) Red Hat Fuse
11 30 (1.56%) CMS
11 30 (1.56%) OpenStack
12 29 (1.51%) Elasticsearch
13 27 (1.40%) nginx
14 26 (1.35%) SharePoint
15 18 (0.93%) Cloud Foundry
16 14 (0.73%) WebSphere Application Server
17 12 (0.62%) Apache Airflow
17 12 (0.62%) Oracle SOA Suite
18 10 (0.52%) GemFire
Applications
1 26 (1.35%) Microsoft Office
2 11 (0.57%) Microsoft Excel
3 10 (0.52%) MS Visio
4 4 (0.21%) Microsoft PowerPoint
5 3 (0.16%) Adobe Creative Suite
6 2 (0.10%) Chatbot
7 1 (0.052%) SOLIDWORKS
7 1 (0.052%) Spreadsheet
Business Applications
1 25 (1.30%) ION MarketView
2 8 (0.42%) Oracle EBS
2 8 (0.42%) Sentinel
3 7 (0.36%) Oracle Applications
4 6 (0.31%) Refinitiv Enterprise Platform
5 5 (0.26%) Eikon
5 5 (0.26%) SAP Oil and Gas
6 3 (0.16%) Oracle BPM
6 3 (0.16%) SAP Hybris
7 2 (0.10%) Adobe Campaign
7 2 (0.10%) Dynamics CRM
7 2 (0.10%) Dynamics NAV
7 2 (0.10%) Oracle EBS R12
7 2 (0.10%) Oracle Financials
7 2 (0.10%) Remedy ITSM
8 1 (0.052%) Bloomberg TOMS
8 1 (0.052%) FLEXCUBE
8 1 (0.052%) Oracle ERP
8 1 (0.052%) Oracle iProcurement
8 1 (0.052%) Oracle Payables
Cloud Services
1 564 (29.28%) AWS
2 428 (22.22%) Azure
3 166 (8.62%) GCP
4 148 (7.68%) GitHub
5 122 (6.33%) PaaS
6 119 (6.18%) IaaS
7 88 (4.57%) Serverless
8 83 (4.31%) AWS CloudFormation
9 81 (4.21%) AWS Lambda
10 73 (3.79%) SaaS
11 67 (3.48%) Amazon EC2
12 58 (3.01%) OpenShift
13 52 (2.70%) Amazon S3
14 43 (2.23%) Microsoft 365
15 38 (1.97%) Cloud Computing
16 34 (1.77%) Virtual Private Cloud
17 33 (1.71%) Amazon CloudWatch
18 31 (1.61%) Amazon EKS
19 26 (1.35%) Amazon ELB
20 25 (1.30%) Amazon ECS
Communications & Networking
1 194 (10.07%) Firewall
2 97 (5.04%) TCP/IP
3 90 (4.67%) DNS
4 72 (3.74%) HTTP
5 62 (3.22%) SSL
6 59 (3.06%) Multicast
7 58 (3.01%) SAN
8 49 (2.54%) VPN
9 43 (2.23%) DHCP
10 35 (1.82%) NAS
10 35 (1.82%) Network Security
11 34 (1.77%) WAN
12 33 (1.71%) Internet
12 33 (1.71%) LAN
13 25 (1.30%) Wi-Fi
14 24 (1.25%) Wireshark
15 20 (1.04%) Cisco Nexus
16 19 (0.99%) iSCSI
17 17 (0.88%) Intrusion Detection
18 16 (0.83%) IPv4
Database & Business Intelligence
1 167 (8.67%) SQL Server
2 130 (6.75%) Relational Database
3 126 (6.54%) MySQL
4 105 (5.45%) MongoDB
5 99 (5.14%) PostgreSQL
6 96 (4.98%) Big Data
7 94 (4.88%) NoSQL
8 67 (3.48%) Oracle Database
9 63 (3.27%) Hadoop
10 58 (3.01%) Redis
11 40 (2.08%) Apache Cassandra
12 36 (1.87%) DB2
13 35 (1.82%) Hazelcast
14 33 (1.71%) Data Warehouse
15 31 (1.61%) Oracle Database 12c
16 30 (1.56%) Amazon RDS
17 29 (1.51%) Apache Hive
18 23 (1.19%) Oracle Database 11g
19 20 (1.04%) HBase
20 19 (0.99%) Data Lake
Development Applications
1 329 (17.08%) Jenkins
2 312 (16.20%) Git (software)
3 177 (9.19%) JIRA
4 95 (4.93%) Maven
5 91 (4.72%) GitLab
6 65 (3.37%) Subversion
7 64 (3.32%) Sonatype Nexus
8 61 (3.17%) JUnit
9 56 (2.91%) TeamCity
10 49 (2.54%) Bitbucket
11 40 (2.08%) Mockito
12 35 (1.82%) Artifactory
13 32 (1.66%) Gradle
14 27 (1.40%) Visual Studio
15 22 (1.14%) Hudson
16 19 (0.99%) CircleCI
16 19 (0.99%) Eclipse
16 19 (0.99%) Octopus Deploy
16 19 (0.99%) SonarQube
17 18 (0.93%) jMock
General
1 493 (25.60%) Finance
2 363 (18.85%) Social Skills
3 351 (18.22%) Banking
4 188 (9.76%) Investment Banking
5 171 (8.88%) Front Office
6 106 (5.50%) Analytical Skills
7 99 (5.14%) Public Sector
8 62 (3.22%) Telecoms
9 45 (2.34%) Marketing
10 39 (2.02%) Manufacturing
11 38 (1.97%) Electronics
12 32 (1.66%) Presentation Skills
13 30 (1.56%) Financial Institution
14 22 (1.14%) Influencing Skills
15 17 (0.88%) Games
16 14 (0.73%) Back Office
16 14 (0.73%) Documentation Skills
16 14 (0.73%) Retail
17 13 (0.67%) iGaming
18 11 (0.57%) Legal
Job Titles
1 584 (30.32%) Developer
2 319 (16.56%) DevOps Engineer
3 249 (12.93%) Java Developer
4 138 (7.17%) Architect
5 120 (6.23%) Senior Developer
6 106 (5.50%) AWS Engineer
7 100 (5.19%) C++ Developer
8 85 (4.41%) Cloud Engineer
9 83 (4.31%) Linux Engineer
10 82 (4.26%) Azure Engineer
11 81 (4.21%) Analyst
11 81 (4.21%) AWS DevOps
12 72 (3.74%) Senior Java Developer
13 71 (3.69%) Infrastructure Engineer
14 69 (3.58%) Administrator
15 63 (3.27%) AWS DevOps Engineer
16 60 (3.12%) Python Developer
17 55 (2.86%) Applications Support
17 55 (2.86%) Integration Developer
18 51 (2.65%) Azure DevOps Engineer
Libraries, Frameworks & Software Standards
1 233 (12.10%) Spring
2 154 (8.00%) REST
3 138 (7.17%) Web Services
4 129 (6.70%) Middleware
5 108 (5.61%) .NET
5 108 (5.61%) Kafka
6 101 (5.24%) HTML
7 87 (4.52%) JSON
8 83 (4.31%) RESTful
9 74 (3.84%) Spring Boot
10 72 (3.74%) React
11 71 (3.69%) Apache Camel
12 68 (3.53%) CSS
13 63 (3.27%) Node.js
14 60 (3.12%) Elastic Stack
15 59 (3.06%) J2EE
16 58 (3.01%) JTA
16 58 (3.01%) JTS
17 56 (2.91%) XML
18 55 (2.86%) YAML
Miscellaneous
1 135 (7.01%) Algorithms
2 104 (5.40%) Foreign Exchange (FX)
3 100 (5.19%) Data Structures
4 93 (4.83%) Data Centre
5 89 (4.62%) Management Information System
6 74 (3.84%) Fixed Income
7 67 (3.48%) Cloud Native
8 64 (3.32%) Public Cloud
9 59 (3.06%) Derivative
10 58 (3.01%) Clustering
11 45 (2.34%) Equities
12 39 (2.02%) Hedge funds
13 36 (1.87%) Enterprise Software
14 31 (1.61%) Linux Command Line
14 31 (1.61%) PKI
15 30 (1.56%) Data Protection Act
16 27 (1.40%) Self-Motivation
17 25 (1.30%) Replication
18 24 (1.25%) Greenfield Project
19 23 (1.19%) Hybrid Cloud
Operating Systems
1 584 (30.32%) Windows
2 454 (23.57%) Unix
3 261 (13.55%) Red Hat Enterprise Linux
4 113 (5.87%) Windows Server
5 80 (4.15%) CentOS
6 77 (4.00%) Solaris
7 62 (3.22%) Ubuntu
8 28 (1.45%) AIX
8 28 (1.45%) Mac OS X
9 25 (1.30%) Windows 10
10 24 (1.25%) Windows Server 2016
11 23 (1.19%) Mac OS
11 23 (1.19%) Windows Server 2012
12 20 (1.04%) VMS
12 20 (1.04%) Windows Server 2019
13 19 (0.99%) Android
14 17 (0.88%) Debian
15 14 (0.73%) SUSE Linux Enterprise Server
16 12 (0.62%) HPUX
16 12 (0.62%) Windows Server 2008
Processes & Methodologies
1 639 (33.18%) DevOps
2 547 (28.40%) Agile Software Development
3 234 (12.15%) Microservices
3 234 (12.15%) Test Automation
4 203 (10.54%) Configuration Management
5 194 (10.07%) Continuous Integration
6 190 (9.87%) Scrum
7 189 (9.81%) Infrastructure as Code
8 176 (9.14%) Problem-Solving
9 158 (8.20%) High Availability
10 157 (8.15%) Software Engineering
11 155 (8.05%) TDD
12 122 (6.33%) Migration
13 120 (6.23%) Performance Tuning
14 118 (6.13%) Open Source
15 117 (6.07%) Low Latency
16 115 (5.97%) Cybersecurity
16 115 (5.97%) Site Reliability Engineering
17 113 (5.87%) Electronic Trading
18 108 (5.61%) Infrastructure Engineering
Programming Languages
1 733 (38.06%) Python
2 565 (29.34%) Java
3 425 (22.07%) SQL
4 263 (13.66%) Bash Shell
5 213 (11.06%) PowerShell
6 210 (10.90%) C++
7 195 (10.12%) JavaScript
8 106 (5.50%) Shell Script
9 99 (5.14%) Java 8
10 90 (4.67%) C#
11 81 (4.21%) Scala
12 78 (4.05%) C
12 78 (4.05%) Ruby
13 76 (3.95%) Perl
14 71 (3.69%) Go
15 68 (3.53%) PL/SQL
16 50 (2.60%) PHP
17 47 (2.44%) TypeScript
18 39 (2.02%) Groovy
19 30 (1.56%) Java 11
Qualifications
1 201 (10.44%) Security Cleared
2 164 (8.52%) SC Cleared
3 83 (4.31%) Degree
4 48 (2.49%) DV Cleared
5 28 (1.45%) Computer Science Degree
6 23 (1.19%) AWS Certification
7 22 (1.14%) CISSP
8 17 (0.88%) GIAC
9 15 (0.78%) Cisco Certification
9 15 (0.78%) Master's Degree
10 12 (0.62%) CCNA
10 12 (0.62%) ITIL Certification
11 10 (0.52%) Microsoft Certification
11 10 (0.52%) RHCE
11 10 (0.52%) VMware Certified Professional (VCP)
12 8 (0.42%) CCNP
12 8 (0.42%) CISM
12 8 (0.42%) MCSE
13 7 (0.36%) CISA
13 7 (0.36%) MCP
Quality Assurance & Compliance
1 67 (3.48%) QA
2 23 (1.19%) SLA
3 19 (0.99%) ISO/IEC 27001
4 18 (0.93%) GDPR
5 15 (0.78%) GRC
6 13 (0.67%) NIST
7 12 (0.62%) Accessibility
8 8 (0.42%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
8 8 (0.42%) Sarbanes-Oxley
9 6 (0.31%) PCI DSS
10 5 (0.26%) Data Quality
10 5 (0.26%) HIPAA
11 4 (0.21%) ISO/IEC 27005
11 4 (0.21%) NCSC
12 3 (0.16%) MiFID
12 3 (0.16%) PMO
12 3 (0.16%) SOC 2
13 2 (0.10%) Dodd-Frank
13 2 (0.10%) JTAG
14 1 (0.052%) SEPA
System Software
1 438 (22.74%) Docker
2 160 (8.31%) VMware Infrastructure
3 126 (6.54%) Active Directory
4 44 (2.28%) VMware ESXi
5 39 (2.02%) Virtual Machines
6 28 (1.45%) NFS
7 26 (1.35%) HDFS
7 26 (1.35%) vSphere
8 22 (1.14%) KVM
9 21 (1.09%) Oracle RAC
10 20 (1.04%) Hyper-V
11 18 (0.93%) Xen
12 14 (0.73%) iptables
13 11 (0.57%) SRDF
14 10 (0.52%) Virtual Servers
15 8 (0.42%) Apache ZooKeeper
16 7 (0.36%) Veritas File System
17 6 (0.31%) Firmware
17 6 (0.31%) GridGain
17 6 (0.31%) Veritas Volume Manager
Systems Management
1 487 (25.29%) Ansible
2 454 (23.57%) Terraform
3 391 (20.30%) Kubernetes
4 230 (11.94%) Puppet
5 132 (6.85%) Opscode Chef
6 59 (3.06%) Grafana
7 58 (3.01%) Prometheus
8 40 (2.08%) Packer
9 27 (1.40%) ITRS Geneos
10 23 (1.19%) Salt
11 19 (0.99%) Kibana
12 18 (0.93%) Istio
13 17 (0.88%) SCCM
13 17 (0.88%) vRealize
14 15 (0.78%) Nagios
15 14 (0.73%) Active Directory Federation Services
15 14 (0.73%) Control-M
15 14 (0.73%) Data Guard
15 14 (0.73%) Oracle RMAN
15 14 (0.73%) Red Hat Satellite
Vendors
1 325 (16.87%) Oracle
2 233 (12.10%) VMware
3 227 (11.79%) Red Hat
4 166 (8.62%) Microsoft
5 108 (5.61%) Google
6 84 (4.36%) Cisco
7 83 (4.31%) Splunk
8 79 (4.10%) IBM
9 57 (2.96%) Sybase
10 56 (2.91%) SAP
11 45 (2.34%) EMC
12 40 (2.08%) Citrix
13 38 (1.97%) ION Trading
14 36 (1.87%) SaltStack
15 34 (1.77%) HP
16 30 (1.56%) NetApp
17 27 (1.40%) ServiceNow
18 25 (1.30%) F5
18 25 (1.30%) New Relic
18 25 (1.30%) TIBCO