Period
to 21 April 2019

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Unix skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Unix over the 6 months to 21 April 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.

Unix
Central London > City of London
6 months to
21 Apr 2019
Same period 2018 Same period 2017
Rank 81 51 34
Rank change year-on-year -30 -17 -8
Contract jobs citing Unix 207 339 347
As % of all contract IT jobs advertised in the City of London 3.07% 4.81% 5.65%
As % of the Operating Systems category 15.53% 23.66% 25.50%
Number of daily rates quoted 149 288 279
City of London median daily rate £550 £525 £550
Median daily rate % change year-on-year +4.76% -4.55% +10.00%
10th Percentile £373 £405 £394
90th Percentile £650 £638 £675
Central London median daily rate £550 £525 £538
% change year-on-year +4.76% -2.33% +10.82%
Number of hourly rates quoted 0 2 0
City of London median hourly rate - £43.75 -
Central London median hourly rate - £43.75 -

Unix 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 1,333 1,433 1,361
As % of all contract IT jobs advertised in the City of London 19.77% 20.35% 22.17%
Number of daily rates quoted 993 1,138 1,086
City of London median daily rate £475 £500 £475
Median daily rate % change year-on-year -5.00% +5.26% +5.56%
10th Percentile £157 £243 £288
90th Percentile £650 £675 £638
Central London median daily rate £475 £500 £450
% change year-on-year -5.00% +11.11% -
Number of hourly rates quoted 31 55 22
City of London median hourly rate £21.00 £18.70 £19.08
Median hourly rate % change year-on-year +12.30% -1.98% -4.61%
10th Percentile £16.25 £11.25 £12.83
90th Percentile £33.75 £24.50 £25.93
Central London median hourly rate £20.00 £19.25 £21.16
% change year-on-year +3.90% -9.00% +5.78%

Unix
Job Vacancy Trend in the City of London

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

Job vacancy trend for Unix in the City of London

Unix
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 Unix in the City of London.

Contractor daily rate trend for Unix in the City of London

Unix
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Unix in the City of London over the 6 months to 21 April 2019.

Contractor daily rate histogram for Unix in the City of London

Unix
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 Unix in the City of London.

Contractor hourly rate trend for Unix in the City of London

Unix
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 Unix within the City of London region over the 6 months to 21 April 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 - 4 £550 -
Unix
Central London

For the 6 months to 21 April 2019, IT contractor jobs citing Unix 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 Unix.

1 132 (63.77%) Linux
2 86 (41.55%) Agile Software Development
3 70 (33.82%) Java
4 62 (29.95%) Finance
5 56 (27.05%) Windows
6 51 (24.64%) Banking
7 49 (23.67%) Python
7 49 (23.67%) JIRA
8 45 (21.74%) Jenkins
8 45 (21.74%) DevOps
9 44 (21.26%) Docker
10 43 (20.77%) SQL
11 41 (19.81%) Amazon AWS
12 40 (19.32%) Confluence
13 38 (18.36%) Git (software)
14 35 (16.91%) TDD
15 33 (15.94%) REST
16 32 (15.46%) BDD
17 31 (14.98%) Oracle
17 31 (14.98%) SQL Server
17 31 (14.98%) Relational Database
18 30 (14.49%) Problem-Solving
19 29 (14.01%) Perl
20 28 (13.53%) JavaScript
20 28 (13.53%) Web Services
20 28 (13.53%) Apache
21 27 (13.04%) Front Office
22 26 (12.56%) Spring
23 25 (12.08%) Kubernetes
24 24 (11.59%) Ansible

Unix
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 40 (19.32%) Confluence
2 28 (13.53%) Apache
3 17 (8.21%) JBoss
4 15 (7.25%) Apache Spark
5 12 (5.80%) Elasticsearch
6 8 (3.86%) WebLogic
7 6 (2.90%) Mule
7 6 (2.90%) Tomcat
8 4 (1.93%) Adobe Experience Manager
8 4 (1.93%) Cloud Foundry
8 4 (1.93%) WebSphere
9 3 (1.45%) SharePoint
10 2 (0.97%) CICS
10 2 (0.97%) IBM HTTP Server
10 2 (0.97%) nginx
10 2 (0.97%) OpenStack
11 1 (0.48%) CMS
11 1 (0.48%) IBM Domino
11 1 (0.48%) SAS
11 1 (0.48%) Skype for Business
Applications
1 5 (2.42%) MS Visio
2 3 (1.45%) Microsoft Excel
2 3 (1.45%) Microsoft PowerPoint
3 1 (0.48%) Microsoft Office
Business Applications
1 4 (1.93%) Salesforce.com CRM
2 2 (0.97%) RMDS
3 1 (0.48%) 3000 Xtra
3 1 (0.48%) Actimize
3 1 (0.48%) Global One
3 1 (0.48%) ION MarketView
3 1 (0.48%) LatentZero
3 1 (0.48%) Remedy ITSM
Cloud Services
1 41 (19.81%) Amazon AWS
2 24 (11.59%) Microsoft Azure
3 11 (5.31%) Amazon CloudWatch
3 11 (5.31%) PaaS
3 11 (5.31%) Serverless
4 10 (4.83%) AWS Lambda
5 9 (4.35%) Amazon S3
5 9 (4.35%) Virtual Private Cloud
6 8 (3.86%) Amazon EC2
6 8 (3.86%) GitHub
6 8 (3.86%) SaaS
7 7 (3.38%) AWS CloudFormation
7 7 (3.38%) CloudFront
7 7 (3.38%) Datadog
7 7 (3.38%) Route 53
8 6 (2.90%) Google Analytics
9 5 (2.42%) Google Cloud Platform
10 4 (1.93%) IaaS
10 4 (1.93%) IBM Cloud
10 4 (1.93%) Office 365
Communications & Networking
1 17 (8.21%) TCP/IP
2 13 (6.28%) HTTP
3 12 (5.80%) Firewall
4 8 (3.86%) LAN
4 8 (3.86%) WAN
5 7 (3.38%) BGP
5 7 (3.38%) DHCP
5 7 (3.38%) DNS
5 7 (3.38%) OSPF
5 7 (3.38%) SSL
6 6 (2.90%) IPsec
6 6 (2.90%) VPN
6 6 (2.90%) Wireless
7 5 (2.42%) Cisco ASA
7 5 (2.42%) Cisco Nexus
7 5 (2.42%) Internet
7 5 (2.42%) SAN
7 5 (2.42%) VoIP
8 4 (1.93%) AMQP
9 3 (1.45%) NAS
Database & Business Intelligence
1 31 (14.98%) Relational Database
1 31 (14.98%) SQL Server
2 21 (10.14%) Hadoop
3 12 (5.80%) MongoDB
4 11 (5.31%) NoSQL
5 10 (4.83%) Amazon RDS
6 9 (4.35%) MySQL
7 8 (3.86%) KDB
7 8 (3.86%) Oracle Database
7 8 (3.86%) PostgreSQL
7 8 (3.86%) RDBMS
8 7 (3.38%) Apache Kudu
8 7 (3.38%) Impala
9 5 (2.42%) Big Data
9 5 (2.42%) Data Warehouse
9 5 (2.42%) Kdb+
9 5 (2.42%) Oracle Database 11g
10 4 (1.93%) Oracle Database 12c
11 3 (1.45%) Amazon DynamoDB
11 3 (1.45%) Power BI
Development Applications
1 49 (23.67%) JIRA
2 45 (21.74%) Jenkins
3 38 (18.36%) Git (software)
4 21 (10.14%) Maven
5 20 (9.66%) JUnit
6 19 (9.18%) Subversion
7 14 (6.76%) jMock
8 13 (6.28%) Cucumber
9 11 (5.31%) Atlassian Bamboo
9 11 (5.31%) FishEye
9 11 (5.31%) gulp
10 10 (4.83%) Grunt
10 10 (4.83%) Selenium
11 9 (4.35%) Mockito
11 9 (4.35%) webpack
12 8 (3.86%) CircleCI
12 8 (3.86%) Hudson
12 8 (3.86%) PostCSS
12 8 (3.86%) TeamCity
12 8 (3.86%) Travis CI
General
1 62 (29.95%) Finance
2 51 (24.64%) Banking
3 27 (13.04%) Front Office
4 19 (9.18%) Investment Banking
5 8 (3.86%) Retail
5 8 (3.86%) Retail Banking
6 5 (2.42%) Financial Institution
7 4 (1.93%) Manufacturing
8 2 (0.97%) Telecoms
9 1 (0.48%) Advertising
9 1 (0.48%) Back Office
9 1 (0.48%) Billing
9 1 (0.48%) Games
9 1 (0.48%) Marketing
9 1 (0.48%) Private Banking
Job Titles
1 64 (30.92%) Developer
2 37 (17.87%) Java Developer
3 30 (14.49%) DevOps Engineer
4 17 (8.21%) Analyst
5 13 (6.28%) Administrator
6 12 (5.80%) Architect
7 11 (5.31%) Unix Engineer
8 10 (4.83%) Linux Engineer
8 10 (4.83%) Senior Developer
8 10 (4.83%) Support Analyst
8 10 (4.83%) Systems Administrator
9 9 (4.35%) AWS DevOps
9 9 (4.35%) AWS DevOps Engineer
9 9 (4.35%) AWS Engineer
10 7 (3.38%) Apache Spark Developer
10 7 (3.38%) Network Engineer
11 6 (2.90%) Agile Developer
11 6 (2.90%) Applications Support
11 6 (2.90%) JavaScript Developer
12 5 (2.42%) Senior Agile Developer
Libraries, Frameworks & Software Standards
1 33 (15.94%) REST
2 28 (13.53%) Web Services
3 26 (12.56%) Spring
4 22 (10.63%) HTML
5 19 (9.18%) Node.js
5 19 (9.18%) XML
6 15 (7.25%) AngularJS
6 15 (7.25%) CSS
7 13 (6.28%) Hibernate
8 12 (5.80%) Middleware
9 11 (5.31%) Kafka
10 10 (4.83%) React
10 10 (4.83%) Sass
11 9 (4.35%) .NET
11 9 (4.35%) FIX Protocol
11 9 (4.35%) JSON
11 9 (4.35%) Redux
12 8 (3.86%) RESTful
12 8 (3.86%) SOAP
12 8 (3.86%) SVG
Miscellaneous
1 15 (7.25%) Equities
2 12 (5.80%) Data Centre
3 11 (5.31%) Fixed Income
4 10 (4.83%) Analytical Skills
4 10 (4.83%) User Experience
5 8 (3.86%) Fintech
6 6 (2.90%) iPad
7 5 (2.42%) Client/Server
7 5 (2.42%) Linux Command Line
7 5 (2.42%) Tandem
8 3 (1.45%) Derivative
8 3 (1.45%) Foreign Exchange (FX)
8 3 (1.45%) Mobile App
9 2 (0.97%) Fat Client
9 2 (0.97%) HACMP
9 2 (0.97%) Hedge funds
9 2 (0.97%) iPhone
9 2 (0.97%) Mainframe
9 2 (0.97%) Management Information System
9 2 (0.97%) Thin Client
Operating Systems
1 132 (63.77%) Linux
2 56 (27.05%) Windows
3 14 (6.76%) Red Hat Enterprise Linux
3 14 (6.76%) Solaris
4 13 (6.28%) Windows Server
5 7 (3.38%) Mac OS X
6 4 (1.93%) Apple iOS
6 4 (1.93%) Mesosphere
7 3 (1.45%) Windows 10
8 2 (0.97%) AIX
8 2 (0.97%) Android
8 2 (0.97%) SUSE Linux Enterprise Server
8 2 (0.97%) Ubuntu
8 2 (0.97%) zOS
9 1 (0.48%) Debian
9 1 (0.48%) Mac OS
9 1 (0.48%) SUSE
9 1 (0.48%) VMS
9 1 (0.48%) Windows 7
9 1 (0.48%) Windows Server 2008
Processes & Methodologies
1 86 (41.55%) Agile Software Development
2 45 (21.74%) DevOps
3 35 (16.91%) TDD
4 32 (15.46%) BDD
5 30 (14.49%) Problem-Solving
6 24 (11.59%) Scrum
7 20 (9.66%) Test Automation
8 18 (8.70%) SDLC
8 18 (8.70%) Web Development
9 17 (8.21%) Continuous Integration
10 15 (7.25%) ITIL
10 15 (7.25%) Kanban
10 15 (7.25%) OO
11 14 (6.76%) UML
12 13 (6.28%) Analytics
12 13 (6.28%) Migration
13 12 (5.80%) Data Modelling
13 12 (5.80%) Information Security
13 12 (5.80%) Microservices
14 11 (5.31%) Business Intelligence
Programming Languages
1 70 (33.82%) Java
2 49 (23.67%) Python
3 43 (20.77%) SQL
4 29 (14.01%) Perl
5 28 (13.53%) JavaScript
6 20 (9.66%) Shell Script
7 16 (7.73%) Java 8
8 15 (7.25%) Bash Shell
8 15 (7.25%) PowerShell
9 11 (5.31%) C#
9 11 (5.31%) Scala
10 8 (3.86%) PL/SQL
10 8 (3.86%) Ruby
11 6 (2.90%) Groovy
11 6 (2.90%) R
12 3 (1.45%) C++
12 3 (1.45%) COBOL
12 3 (1.45%) Korn
12 3 (1.45%) T-SQL
13 2 (0.97%) PHP
Qualifications
1 10 (4.83%) AWS Certification
2 9 (4.35%) Degree
3 6 (2.90%) CCIE
3 6 (2.90%) Cisco Certification
3 6 (2.90%) ITIL Certification
4 5 (2.42%) CCIE Routing and Switching
5 3 (1.45%) Security Cleared
6 2 (0.97%) Computer Science Degree
6 2 (0.97%) MCSA
6 2 (0.97%) Microsoft Certification
6 2 (0.97%) RHCE
7 1 (0.48%) CCIE Collaboration
7 1 (0.48%) CCIE Data Center
7 1 (0.48%) CCNP
7 1 (0.48%) CISSP
7 1 (0.48%) MCP
7 1 (0.48%) PMI Certification
7 1 (0.48%) PMP
7 1 (0.48%) RHCSA
7 1 (0.48%) SAFe Agilist
Quality Assurance & Compliance
1 6 (2.90%) QA
2 3 (1.45%) Data Quality
3 1 (0.48%) MiFID
3 1 (0.48%) WCAG
System Software
1 44 (21.26%) Docker
2 10 (4.83%) Active Directory
3 8 (3.86%) HDFS
4 4 (1.93%) VMware Infrastructure
5 3 (1.45%) KVM
5 3 (1.45%) Oracle RAC
5 3 (1.45%) Shibboleth
6 2 (0.97%) Time Sharing Option
6 2 (0.97%) VMware Workstation
7 1 (0.48%) Hyper-V
7 1 (0.48%) NFS
7 1 (0.48%) RHEV
7 1 (0.48%) Varnish
7 1 (0.48%) Veritas Cluster Server
7 1 (0.48%) Virtual Machines
7 1 (0.48%) VMware ESXi
7 1 (0.48%) zsh
Systems Management
1 25 (12.08%) Kubernetes
2 24 (11.59%) Ansible
3 22 (10.63%) Terraform
4 15 (7.25%) Puppet
5 8 (3.86%) Kibana
5 8 (3.86%) Mesos
6 7 (3.38%) logstash
6 7 (3.38%) Marathon
6 7 (3.38%) Opscode Chef
6 7 (3.38%) SCCM
7 3 (1.45%) Red Hat Satellite
8 2 (0.97%) Consul
8 2 (0.97%) Docker Swarm
8 2 (0.97%) Nagios
8 2 (0.97%) NetBackup
8 2 (0.97%) Single Sign-On
8 2 (0.97%) ZABBIX
9 1 (0.48%) Automic
9 1 (0.48%) CSIRT
9 1 (0.48%) vCenter Server
Vendors
1 31 (14.98%) Oracle
2 23 (11.11%) Sybase
3 20 (9.66%) Atlassian
4 19 (9.18%) Red Hat
5 16 (7.73%) Microsoft
6 14 (6.76%) Splunk
7 13 (6.28%) Google
7 13 (6.28%) VMware
8 11 (5.31%) Cisco
9 8 (3.86%) F5
9 8 (3.86%) IBM
10 6 (2.90%) Ping Identity
11 5 (2.42%) Adobe
11 5 (2.42%) Bloomberg
11 5 (2.42%) Palo Alto
11 5 (2.42%) Salesforce.com
11 5 (2.42%) Veritas
12 4 (1.93%) Murex
12 4 (1.93%) Reuters
13 3 (1.45%) Sun