Period
to 23 October 2019

The following table provides summary statistics for contract job vacancies advertised in the City of 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 23 October 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
Central London > City of London
6 months to
23 Oct 2019
Same period 2018 Same period 2017
Rank 24 22 19
Rank change year-on-year -2 -3 -6
Contract jobs citing Linux 404 531 580
As % of all contract IT jobs advertised in the City of London 6.80% 7.56% 8.37%
As % of the Operating Systems category 36.30% 36.90% 42.18%
Number of daily rates quoted 318 428 488
City of London median daily rate £543 £550 £525
Median daily rate % change year-on-year -1.36% +4.76% +6.60%
10th Percentile £347 £400 £375
90th Percentile £691 £688 £716
Central London median daily rate £533 £550 £523
% change year-on-year -3.09% +5.26% +10.00%
Number of hourly rates quoted 3 1 0
City of London median hourly rate £43.20 £22.50 -
Median hourly rate % change year-on-year +92.00% - -
Central London median hourly rate £43.20 £22.50 -
% change year-on-year +92.00% - -

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 the City of London with a requirement for operating system skills.

All Operating Systems
City of London
Contract vacancies with a requirement for operating system skills 1,113 1,439 1,375
As % of all contract IT jobs advertised in the City of London 18.73% 20.48% 19.84%
Number of daily rates quoted 866 1,103 1,076
City of London median daily rate £475 £488 £475
Median daily rate % change year-on-year -2.56% +2.63% -
10th Percentile £186 £158 £213
90th Percentile £644 £638 £675
Central London median daily rate £463 £475 £475
% change year-on-year -2.63% - +3.83%
Number of hourly rates quoted 34 71 45
City of London median hourly rate £20.50 £18.70 £17.00
Median hourly rate % change year-on-year +9.63% +10.00% -10.53%
10th Percentile £12.04 £13.00 £11.58
90th Percentile £49.32 £23.75 £27.50
Central London median hourly rate £20.25 £18.70 £17.50
% change year-on-year +8.29% +6.86% -5.15%

Linux
Job Vacancy Trend in the City of London

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

Job vacancy trend for Linux in the City of London

Linux
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for Linux in the City of London

Linux
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Linux in the City of London over the 6 months to 23 October 2019.

Contractor daily rate histogram for Linux in the City of London

Linux
Contractor Hourly Rate Trend in the City of London

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

Contractor hourly rate trend for Linux in the City of London

Linux
Contract Job Locations in the City of 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 City of London region over the 6 months to 23 October 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
London Bridge -13 4 £575 +4.55%
Linux
Central London

For the 6 months to 23 October 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 City of London region with a requirement for Linux.

1 155 (38.37%) DevOps
2 146 (36.14%) Python
3 135 (33.42%) AWS
4 123 (30.45%) Unix
5 118 (29.21%) Finance
6 116 (28.71%) Java
6 116 (28.71%) Agile Software Development
7 111 (27.48%) Docker
8 107 (26.49%) Windows
9 82 (20.30%) Jenkins
10 81 (20.05%) Kubernetes
11 79 (19.55%) Terraform
11 79 (19.55%) Ansible
11 79 (19.55%) SQL
12 74 (18.32%) Git (software)
13 60 (14.85%) Ruby
14 59 (14.60%) Bash Shell
15 58 (14.36%) Azure
15 58 (14.36%) JavaScript
16 55 (13.61%) Continuous Integration
17 53 (13.12%) Oracle
17 53 (13.12%) Configuration Management
18 52 (12.87%) Web Services
19 50 (12.38%) PostgreSQL
19 50 (12.38%) Red Hat Enterprise Linux
20 49 (12.13%) Banking
20 49 (12.13%) Puppet
21 48 (11.88%) Microservices
22 47 (11.63%) JIRA
23 46 (11.39%) Red Hat

Linux
Co-occurring IT Skills in the City of 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 30 (7.43%) Elasticsearch
2 27 (6.68%) Confluence
3 17 (4.21%) Apache
3 17 (4.21%) Apache Spark
4 9 (2.23%) JBoss
4 9 (2.23%) nginx
5 8 (1.98%) IIS
5 8 (1.98%) Tomcat
6 5 (1.24%) WebSphere
7 4 (0.99%) Oracle Workflow
8 3 (0.74%) Apache Solr
8 3 (0.74%) Appian
8 3 (0.74%) Jupyter
8 3 (0.74%) Oracle Coherence
8 3 (0.74%) Oracle SOA Suite
9 2 (0.50%) Cloud Foundry
9 2 (0.50%) GeoServer
9 2 (0.50%) Jetty
9 2 (0.50%) OpenStack
9 2 (0.50%) Oracle Self-Service HR
Applications
1 5 (1.24%) Microsoft Office
2 4 (0.99%) Microsoft Excel
3 3 (0.74%) MS Visio
4 1 (0.25%) Houdini
4 1 (0.25%) Maya
4 1 (0.25%) Microsoft Project
Business Applications
1 5 (1.24%) Oracle Assets
1 5 (1.24%) Oracle Cash Management
1 5 (1.24%) Oracle FAH
1 5 (1.24%) Oracle General Ledger
1 5 (1.24%) Oracle Internet Expenses
1 5 (1.24%) Oracle iProcurement
1 5 (1.24%) Oracle Payables
1 5 (1.24%) Oracle Procure-to-Pay
1 5 (1.24%) Oracle Receivables
1 5 (1.24%) Oracle Subledger Accounting
2 2 (0.50%) BusinessWorks
2 2 (0.50%) Salesforce.com CRM
3 1 (0.25%) Dynamics CRM
3 1 (0.25%) FINCAD Analytics
3 1 (0.25%) Oracle Financials
3 1 (0.25%) Oracle Retail
3 1 (0.25%) PeopleSoft Financials
3 1 (0.25%) SAP GRC
3 1 (0.25%) WebTrends
Cloud Services
1 135 (33.42%) AWS
2 58 (14.36%) Azure
3 45 (11.14%) GCP
4 31 (7.67%) GitHub
5 28 (6.93%) AWS Lambda
6 27 (6.68%) Serverless
7 25 (6.19%) Amazon S3
8 24 (5.94%) Amazon EC2
9 21 (5.20%) Virtual Private Cloud
10 15 (3.71%) Office 365
11 14 (3.47%) Amazon ECS
11 14 (3.47%) AWS CloudFormation
11 14 (3.47%) Route 53
12 13 (3.22%) Amazon SQS
12 13 (3.22%) OpenShift
13 10 (2.48%) Amazon CloudWatch
13 10 (2.48%) Datadog
14 9 (2.23%) PaaS
15 8 (1.98%) CloudFront
15 8 (1.98%) SaaS
Communications & Networking
1 32 (7.92%) TCP/IP
2 27 (6.68%) Firewall
3 22 (5.45%) DNS
4 20 (4.95%) HTTP
5 19 (4.70%) VPN
6 15 (3.71%) FTP
6 15 (3.71%) Internet
6 15 (3.71%) SSL
7 13 (3.22%) Intrusion Detection
8 12 (2.97%) LAN
8 12 (2.97%) SAN
8 12 (2.97%) WAN
9 9 (2.23%) Ethernet
10 8 (1.98%) BGP
11 7 (1.73%) Wireless
12 6 (1.49%) DHCP
12 6 (1.49%) IPsec
12 6 (1.49%) VoIP
12 6 (1.49%) Wi-Fi
13 5 (1.24%) BIG-IP
Database & Business Intelligence
1 50 (12.38%) PostgreSQL
2 39 (9.65%) MySQL
3 30 (7.43%) MongoDB
4 25 (6.19%) SQL Server
5 18 (4.46%) Amazon RDS
5 18 (4.46%) NoSQL
6 16 (3.96%) Oracle Database
7 15 (3.71%) Hadoop
8 12 (2.97%) Big Data
8 12 (2.97%) Relational Database
9 10 (2.48%) Amazon DynamoDB
10 8 (1.98%) Data Warehouse
11 7 (1.73%) Apache Hive
12 6 (1.49%) HBase
12 6 (1.49%) Oracle Reports
12 6 (1.49%) Presto
12 6 (1.49%) Sqoop
13 5 (1.24%) Oracle BI Publisher
13 5 (1.24%) Oracle ODI
13 5 (1.24%) Spark SQL
Development Applications
1 82 (20.30%) Jenkins
2 74 (18.32%) Git (software)
3 47 (11.63%) JIRA
4 20 (4.95%) Maven
5 19 (4.70%) TeamCity
6 15 (3.71%) Sonatype Nexus
7 13 (3.22%) Gradle
8 12 (2.97%) GitLab
9 11 (2.72%) Atlassian Bamboo
10 10 (2.48%) Subversion
11 9 (2.23%) Gatling
11 9 (2.23%) Geb
11 9 (2.23%) Spock
12 8 (1.98%) JUnit
13 6 (1.49%) gulp
14 5 (1.24%) CircleCI
14 5 (1.24%) Jasmine
14 5 (1.24%) Mockito
14 5 (1.24%) SonarQube
15 4 (0.99%) Mocha
General
1 118 (29.21%) Finance
2 49 (12.13%) Banking
3 14 (3.47%) Front Office
3 14 (3.47%) Investment Banking
4 10 (2.48%) Law
4 10 (2.48%) Public Sector
5 6 (1.49%) Financial Institution
5 6 (1.49%) Publishing
6 5 (1.24%) International Banking
7 4 (0.99%) Advertising
7 4 (0.99%) Games
8 3 (0.74%) Marketing
8 3 (0.74%) Retail
9 2 (0.50%) Pharmaceutical
10 1 (0.25%) Arabic Language
10 1 (0.25%) Electronics
10 1 (0.25%) Telecoms
Job Titles
1 107 (26.49%) DevOps Engineer
2 91 (22.52%) Developer
3 52 (12.87%) AWS DevOps
3 52 (12.87%) AWS Engineer
4 49 (12.13%) AWS DevOps Engineer
5 30 (7.43%) Java Developer
6 28 (6.93%) Analyst
6 28 (6.93%) Linux Engineer
7 26 (6.44%) Linux/Unix DevOps
8 22 (5.45%) Kubernetes Engineer
9 20 (4.95%) Linux DevOps Engineer
10 17 (4.21%) Support Analyst
11 15 (3.71%) Azure DevOps
12 13 (3.22%) Azure DevOps Engineer
12 13 (3.22%) Azure Engineer
12 13 (3.22%) Cloud Engineer
12 13 (3.22%) Data Engineer
13 12 (2.97%) Consultant
13 12 (2.97%) Network Engineer
14 11 (2.72%) Administrator
Libraries, Frameworks & Software Standards
1 52 (12.87%) Web Services
2 45 (11.14%) Node.js
3 32 (7.92%) Kafka
4 31 (7.67%) Spring
5 29 (7.18%) HTML
6 27 (6.68%) AngularJS
7 26 (6.44%) CSS
7 26 (6.44%) REST
8 24 (5.94%) RESTful
9 22 (5.45%) JSON
10 15 (3.71%) Spring Boot
11 14 (3.47%) OAuth
12 13 (3.22%) OAuth2
12 13 (3.22%) SOAP
12 13 (3.22%) XML
13 12 (2.97%) .NET
14 11 (2.72%) HTML5
14 11 (2.72%) React
15 10 (2.48%) Dropwizard
15 10 (2.48%) Elastic Stack
Miscellaneous
1 18 (4.46%) Data Centre
2 17 (4.21%) Analytical Skills
3 15 (3.71%) Greenfield Project
4 12 (2.97%) Derivative
5 11 (2.72%) Management Information System
6 10 (2.48%) Cloud Native
6 10 (2.48%) Linux Command Line
7 9 (2.23%) PKI
8 8 (1.98%) Public Cloud
9 6 (1.49%) Data Structures
9 6 (1.49%) Security Operations Centre
9 6 (1.49%) Virtual Team
10 5 (1.24%) Analytical Mindset
10 5 (1.24%) Blog
10 5 (1.24%) Equities
10 5 (1.24%) Fibre Optics
10 5 (1.24%) User Experience
11 4 (0.99%) Algorithms
12 3 (0.74%) Enterprise Cloud
12 3 (0.74%) Enterprise Software
Operating Systems
1 123 (30.45%) Unix
2 107 (26.49%) Windows
3 50 (12.38%) Red Hat Enterprise Linux
4 31 (7.67%) Windows Server
5 20 (4.95%) Ubuntu
6 17 (4.21%) Solaris
7 14 (3.47%) CentOS
8 13 (3.22%) Debian
8 13 (3.22%) Mac OS X
9 10 (2.48%) Windows Server 2012
10 9 (2.23%) Windows 10
11 8 (1.98%) Windows Server 2008
12 6 (1.49%) AIX
12 6 (1.49%) Mac OS
12 6 (1.49%) openSUSE
12 6 (1.49%) Windows 7
13 4 (0.99%) Android
14 3 (0.74%) Apple iOS
14 3 (0.74%) zOS
15 2 (0.50%) Windows Server 2003
Processes & Methodologies
1 155 (38.37%) DevOps
2 116 (28.71%) Agile Software Development
3 55 (13.61%) Continuous Integration
4 53 (13.12%) Configuration Management
5 48 (11.88%) Microservices
6 41 (10.15%) Migration
6 41 (10.15%) TDD
7 34 (8.42%) Infrastructure as Code
8 32 (7.92%) Scrum
9 31 (7.67%) Open Source
10 30 (7.43%) Test Automation
11 26 (6.44%) ITIL
12 23 (5.69%) BDD
12 23 (5.69%) Continuous Delivery
12 23 (5.69%) E-Commerce
12 23 (5.69%) Information Security
13 21 (5.20%) OWASP
13 21 (5.20%) Problem-Solving
14 20 (4.95%) Fintech
14 20 (4.95%) Software Engineering
Programming Languages
1 146 (36.14%) Python
2 116 (28.71%) Java
3 79 (19.55%) SQL
4 60 (14.85%) Ruby
5 59 (14.60%) Bash Shell
6 58 (14.36%) JavaScript
7 38 (9.41%) Perl
8 26 (6.44%) Java 8
9 24 (5.94%) PowerShell
10 22 (5.45%) Go
11 20 (4.95%) PL/SQL
11 20 (4.95%) TypeScript
12 17 (4.21%) Shell Script
13 16 (3.96%) PHP
14 14 (3.47%) Groovy
14 14 (3.47%) Scala
15 12 (2.97%) C#
16 11 (2.72%) C++
17 8 (1.98%) Korn
18 5 (1.24%) VB
Qualifications
1 41 (10.15%) Security Cleared
2 23 (5.69%) SC Cleared
3 12 (2.97%) AWS Certification
4 10 (2.48%) Degree
5 9 (2.23%) Cisco Certification
5 9 (2.23%) CISSP
5 9 (2.23%) RHCE
6 5 (1.24%) CCNP
6 5 (1.24%) Computer Science Degree
6 5 (1.24%) DV Cleared
6 5 (1.24%) Microsoft Certification
7 4 (0.99%) CCIE
7 4 (0.99%) CEH
7 4 (0.99%) Master's Degree
8 3 (0.74%) (ISC)2 CCSP
8 3 (0.74%) CHFI
8 3 (0.74%) CISA
9 2 (0.50%) CHECK Team Member
9 2 (0.50%) MCSE
9 2 (0.50%) SANS
Quality Assurance & Compliance
1 9 (2.23%) ISO/IEC 27001
1 9 (2.23%) NIST
2 6 (1.49%) COBIT
3 4 (0.99%) SLA
4 3 (0.74%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
4 3 (0.74%) QA
5 2 (0.50%) Data Quality
5 2 (0.50%) PCI DSS
6 1 (0.25%) PMO
System Software
1 111 (27.48%) Docker
2 19 (4.70%) Active Directory
3 13 (3.22%) VMware Infrastructure
4 5 (1.24%) Hyper-V
4 5 (1.24%) Veritas Volume Manager
4 5 (1.24%) VMware ESXi
5 4 (0.99%) KVM
5 4 (0.99%) Varnish
5 4 (0.99%) Virtual Machines
6 3 (0.74%) Apache ZooKeeper
6 3 (0.74%) Cronacle
6 3 (0.74%) Oracle RAC
6 3 (0.74%) Veritas Cluster Server
6 3 (0.74%) Veritas File System
6 3 (0.74%) vSphere
7 2 (0.50%) etcd
7 2 (0.50%) Firmware
7 2 (0.50%) HDFS
7 2 (0.50%) Xen
8 1 (0.25%) Samba
Systems Management
1 81 (20.05%) Kubernetes
2 79 (19.55%) Ansible
2 79 (19.55%) Terraform
3 49 (12.13%) Puppet
4 41 (10.15%) Opscode Chef
5 10 (2.48%) Prometheus
6 9 (2.23%) Docker Swarm
6 9 (2.23%) Suricata
7 8 (1.98%) Consul
7 8 (1.98%) Nessus
7 8 (1.98%) Packer
8 6 (1.49%) Grafana
8 6 (1.49%) Hadoop YARN
9 5 (1.24%) HP Fortify
10 4 (0.99%) Data Guard
10 4 (0.99%) Iperf
10 4 (0.99%) Kibana
10 4 (0.99%) Salt
10 4 (0.99%) SCCM
11 3 (0.74%) logstash
Vendors
1 53 (13.12%) Oracle
2 46 (11.39%) Red Hat
3 39 (9.65%) Microsoft
4 27 (6.68%) VMware
5 24 (5.94%) Splunk
6 21 (5.20%) Google
7 14 (3.47%) Cisco
7 14 (3.47%) IBM
7 14 (3.47%) Qualys
8 10 (2.48%) Atlassian
9 9 (2.23%) Adobe
9 9 (2.23%) ServiceNow
9 9 (2.23%) Sybase
10 8 (1.98%) Cloudera
10 8 (1.98%) F5
11 7 (1.73%) Salesforce.com
12 6 (1.49%) Dell
12 6 (1.49%) EMC
12 6 (1.49%) HP
12 6 (1.49%) Veritas