Period
to 20 November 2018

The following table provides summary statistics for contract job vacancies advertised in Central 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 20 November 2018 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
London > Central London
6 months to
20 Nov 2018
Same period 2017 Same period 2016
Rank 65 45 38
Rank change year-on-year -20 -7 -10
Contract jobs citing Unix 345 400 448
As % of all contract IT jobs advertised in Central London 3.75% 4.73% 5.61%
As % of the Operating Systems category 18.05% 23.31% 26.56%
Number of daily rates quoted 256 312 355
Central London median daily rate £525 £525 £475
Median daily rate % change year-on-year - +10.53% -
10th Percentile £363 £369 £351
90th Percentile £638 £675 £675
London median daily rate £530 £525 £475
% change year-on-year +0.95% +10.53% -
Number of hourly rates quoted 1 3 5
Central London median hourly rate £22.50 £27.50 £27.50
Median hourly rate % change year-on-year -18.18% - -26.67%
10th Percentile £21.25 £27.50 £19.65
90th Percentile £23.75 £59.50 £28.75
London median hourly rate £28.75 £29.88 £27.50
% change year-on-year -3.77% +8.64% -14.06%

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 Central London with a requirement for operating system skills.

All Operating Systems
Central London
Contract vacancies with a requirement for operating system skills 1,911 1,716 1,687
As % of all contract IT jobs advertised in Central London 20.75% 20.30% 21.12%
Number of daily rates quoted 1,433 1,331 1,298
Central London median daily rate £475 £475 £450
Median daily rate % change year-on-year - +5.56% +5.26%
10th Percentile £156 £213 £263
90th Percentile £625 £663 £625
London median daily rate £488 £475 £450
% change year-on-year +2.63% +5.56% +5.88%
Number of hourly rates quoted 81 59 37
Central London median hourly rate £18.70 £17.00 £17.50
Median hourly rate % change year-on-year +10.00% -2.86% -2.78%
10th Percentile £14.00 £11.25 £11.25
90th Percentile £24.40 £30.00 £30.75
London median hourly rate £18.70 £19.25 £18.23
% change year-on-year -2.86% +5.62% +4.14%

Unix
Job Vacancy Trend in Central London

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

Job vacancy trend for Unix in Central London

Unix
Contractor Daily Rate Trend in Central London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Unix in Central London.

Contractor daily rate trend for Unix in Central London

Unix
Contractor Daily Rate Histogram in Central London

The daily rate distribution of IT jobs citing Unix in Central London over the 6 months to 20 November 2018.

Contractor daily rate histogram for Unix in Central London

Unix
Contractor Hourly Rate Trend in Central London

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

Contractor hourly rate trend for Unix in Central London

Unix
Contract Job Locations in Central 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 Central London region over the 6 months to 20 November 2018. 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
City of London -17 267 £525 - 108
West End of London -16 23 £525 -4.55% 12
Southwark -21 21 £525 +5.00%
City of Westminster +7 15 £550 +29.41%
Camden - 11 £625 -
Kensington and Chelsea - 2 £535 -
Unix
London

For the 6 months to 20 November 2018, 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 Central London region with a requirement for Unix.

1 162 (46.96%) Linux
2 152 (44.06%) Java
3 133 (38.55%) Agile Software Development
4 122 (35.36%) Finance
5 89 (25.80%) SQL
6 83 (24.06%) Banking
6 83 (24.06%) Relational Database
7 82 (23.77%) Windows
8 80 (23.19%) Python
8 80 (23.19%) Amazon AWS
9 75 (21.74%) Test Automation
10 68 (19.71%) Oracle
11 67 (19.42%) SQL Server
11 67 (19.42%) REST
12 65 (18.84%) Jenkins
12 65 (18.84%) Git (software)
13 56 (16.23%) JIRA
14 50 (14.49%) Continuous Integration
14 50 (14.49%) DevOps
15 48 (13.91%) Spring
16 46 (13.33%) HTML
16 46 (13.33%) OO
17 45 (13.04%) JavaScript
18 43 (12.46%) Investment Banking
18 43 (12.46%) TDD
18 43 (12.46%) Ansible
19 42 (12.17%) Confluence
19 42 (12.17%) Hibernate
20 41 (11.88%) Maven
21 39 (11.30%) Middleware

Unix
Co-occurring IT Skills in Central 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 42 (12.17%) Confluence
2 30 (8.70%) Apache
3 24 (6.96%) JBoss
4 19 (5.51%) WebLogic
5 14 (4.06%) Elasticsearch
6 13 (3.77%) SAS
6 13 (3.77%) WildFly
7 10 (2.90%) WebSphere
8 9 (2.61%) Apache Spark
9 8 (2.32%) Tomcat
10 6 (1.74%) CMS
11 5 (1.45%) Cloud Foundry
11 5 (1.45%) Mule
12 4 (1.16%) IIS
12 4 (1.16%) MS Exchange
12 4 (1.16%) SharePoint
13 3 (0.87%) Adobe Experience Manager
13 3 (0.87%) Oracle Workflow
13 3 (0.87%) WebSphere Application Server
13 3 (0.87%) WordPress
Applications
1 16 (4.64%) MS Visio
2 13 (3.77%) Microsoft Excel
3 2 (0.58%) Microsoft Office
4 1 (0.29%) Microsoft Project
Business Applications
1 14 (4.06%) Actimize
2 11 (3.19%) Salesforce.com CRM
3 3 (0.87%) Oracle Applications
3 3 (0.87%) Oracle EBS
4 2 (0.58%) Sentinel
4 2 (0.58%) Temenos T24
5 1 (0.29%) Advent Portfolio Exchange
5 1 (0.29%) BusinessWorks
5 1 (0.29%) Kondor
5 1 (0.29%) LatentZero
5 1 (0.29%) MetaTrader
5 1 (0.29%) Oracle BPM
5 1 (0.29%) Oracle Retail
5 1 (0.29%) SunGard Martini
Cloud Services
1 80 (23.19%) Amazon AWS
2 25 (7.25%) Microsoft Azure
3 17 (4.93%) Google Cloud Platform
4 16 (4.64%) Virtual Private Cloud
5 15 (4.35%) Amazon EC2
5 15 (4.35%) Amazon S3
6 13 (3.77%) GitHub
7 10 (2.90%) PaaS
8 5 (1.45%) Office 365
9 4 (1.16%) Datadog
9 4 (1.16%) IBM Cloud
10 3 (0.87%) Amazon CloudWatch
10 3 (0.87%) IaaS
10 3 (0.87%) SaaS
11 2 (0.58%) AWS CloudFormation
11 2 (0.58%) AWS Lambda
11 2 (0.58%) CloudFront
11 2 (0.58%) Heroku
11 2 (0.58%) OneDrive
11 2 (0.58%) OpenShift
Communications & Networking
1 27 (7.83%) HTTP
2 19 (5.51%) Firewall
2 19 (5.51%) TCP/IP
3 15 (4.35%) VPN
4 13 (3.77%) DNS
5 12 (3.48%) SSL
6 10 (2.90%) Internet
7 9 (2.61%) IPsec
8 8 (2.32%) BGP
8 8 (2.32%) OSPF
8 8 (2.32%) WAN
9 7 (2.03%) Cisco ASA
9 7 (2.03%) DHCP
9 7 (2.03%) LAN
9 7 (2.03%) Wireless
10 6 (1.74%) Cisco Nexus
10 6 (1.74%) VoIP
11 5 (1.45%) SAN
12 4 (1.16%) Intranet
12 4 (1.16%) SSH
Database & Business Intelligence
1 83 (24.06%) Relational Database
2 67 (19.42%) SQL Server
3 35 (10.14%) RDBMS
4 27 (7.83%) MySQL
5 25 (7.25%) Hadoop
6 23 (6.67%) Big Data
7 22 (6.38%) NoSQL
8 19 (5.51%) Impala
9 18 (5.22%) MongoDB
10 17 (4.93%) Apache Hive
11 16 (4.64%) PostgreSQL
12 15 (4.35%) Sqoop
13 9 (2.61%) Data Warehouse
13 9 (2.61%) Neo4j
14 6 (1.74%) Apache Kudu
14 6 (1.74%) DB2
14 6 (1.74%) Oracle Database
15 4 (1.16%) Apache Cassandra
15 4 (1.16%) Couchbase
15 4 (1.16%) Data Mining
Development Applications
1 65 (18.84%) Git (software)
1 65 (18.84%) Jenkins
2 56 (16.23%) JIRA
3 41 (11.88%) Maven
4 36 (10.43%) Cucumber
5 31 (8.99%) Mockito
6 29 (8.41%) JUnit
7 27 (7.83%) Selenium
8 19 (5.51%) Subversion
9 17 (4.93%) Vagrant
10 14 (4.06%) SonarQube
11 13 (3.77%) Checkstyle
11 13 (3.77%) Liquibase
12 10 (2.90%) jMock
13 8 (2.32%) Sonatype Nexus
14 7 (2.03%) Atlassian Bamboo
14 7 (2.03%) JIRA Agile
15 6 (1.74%) GitLab
15 6 (1.74%) Gradle
15 6 (1.74%) NeoLoad
General
1 122 (35.36%) Finance
2 83 (24.06%) Banking
3 43 (12.46%) Investment Banking
4 27 (7.83%) Front Office
5 21 (6.09%) Back Office
5 21 (6.09%) Financial Institution
6 12 (3.48%) Retail Banking
7 9 (2.61%) Advertising
7 9 (2.61%) Retail
8 4 (1.16%) Marketing
9 3 (0.87%) Manufacturing
9 3 (0.87%) Publishing
9 3 (0.87%) Telecoms
10 2 (0.58%) Legal
10 2 (0.58%) Multimedia
11 1 (0.29%) Billing
11 1 (0.29%) Games
11 1 (0.29%) Law
Job Titles
1 125 (36.23%) Developer
2 82 (23.77%) Java Developer
3 38 (11.01%) Analyst
4 27 (7.83%) DevOps Engineer
5 25 (7.25%) Full Stack Developer
6 22 (6.38%) Support Analyst
7 21 (6.09%) Consultant
8 18 (5.22%) Administrator
9 16 (4.64%) Architect
10 15 (4.35%) Systems Administrator
11 13 (3.77%) AWS Developer
11 13 (3.77%) Platform Engineer
12 11 (3.19%) Salesforce Analyst
13 10 (2.90%) Business Analyst
13 10 (2.90%) Cloud Engineer
13 10 (2.90%) Linux Engineer
14 9 (2.61%) AWS Engineer
14 9 (2.61%) Salesforce Support
15 8 (2.32%) AWS DevOps
15 8 (2.32%) AWS DevOps Engineer
Libraries, Frameworks & Software Standards
1 67 (19.42%) REST
2 48 (13.91%) Spring
3 46 (13.33%) HTML
4 42 (12.17%) Hibernate
5 39 (11.30%) Middleware
6 34 (9.86%) React
7 29 (8.41%) Node.js
7 29 (8.41%) Web Services
8 27 (7.83%) Java EE
9 26 (7.54%) AngularJS
9 26 (7.54%) Redux
9 26 (7.54%) XML
10 25 (7.25%) JMS
11 24 (6.96%) RESTful
11 24 (6.96%) Twitter Bootstrap
12 22 (6.38%) Angular 2
12 22 (6.38%) JAX-RS
13 13 (3.77%) Drools
13 13 (3.77%) FIX Protocol
13 13 (3.77%) Lambda Expressions
Miscellaneous
1 32 (9.28%) Linux Command Line
2 14 (4.06%) Foreign Exchange (FX)
2 14 (4.06%) Wiki
3 13 (3.77%) Computer Science
4 11 (3.19%) Analytical Skills
4 11 (3.19%) Data Centre
5 10 (2.90%) Algorithms
5 10 (2.90%) Data Structures
6 9 (2.61%) Equities
7 8 (2.32%) Fixed Income
8 5 (1.45%) Tandem
9 4 (1.16%) Fintech
9 4 (1.16%) PKI
9 4 (1.16%) Public Cloud
10 3 (0.87%) Client/Server
10 3 (0.87%) iPad
10 3 (0.87%) Mainframe
10 3 (0.87%) Mobile App
10 3 (0.87%) Smartphone
10 3 (0.87%) User Experience
Operating Systems
1 162 (46.96%) Linux
2 82 (23.77%) Windows
3 22 (6.38%) Red Hat Enterprise Linux
3 22 (6.38%) Windows Server
4 15 (4.35%) Solaris
5 13 (3.77%) VMS
6 10 (2.90%) Mac OS X
7 6 (1.74%) SUSE Linux Enterprise Server
8 5 (1.45%) Android
8 5 (1.45%) Apple iOS
8 5 (1.45%) Windows Server 2008
9 4 (1.16%) Windows 10
9 4 (1.16%) Windows 7
10 3 (0.87%) AIX
10 3 (0.87%) Mac OS
10 3 (0.87%) Ubuntu
10 3 (0.87%) Windows Server 2012
10 3 (0.87%) zOS
11 2 (0.58%) SUSE
11 2 (0.58%) Windows Server 2003
Processes & Methodologies
1 133 (38.55%) Agile Software Development
2 75 (21.74%) Test Automation
3 50 (14.49%) Continuous Integration
3 50 (14.49%) DevOps
4 46 (13.33%) OO
5 43 (12.46%) TDD
6 36 (10.43%) BDD
6 36 (10.43%) Scrum
7 31 (8.99%) Migration
8 26 (7.54%) Microservices
9 21 (6.09%) Build Automation
9 21 (6.09%) ETL
9 21 (6.09%) SDET
10 20 (5.80%) Information Security
11 19 (5.51%) Open Source
12 17 (4.93%) Problem-Solving
13 16 (4.64%) Data Analysis
13 16 (4.64%) Data Modelling
13 16 (4.64%) OOA/OOD
13 16 (4.64%) Web Development
Programming Languages
1 152 (44.06%) Java
2 89 (25.80%) SQL
3 80 (23.19%) Python
4 45 (13.04%) JavaScript
5 37 (10.72%) Shell Script
6 28 (8.12%) Bash Shell
7 26 (7.54%) Perl
8 25 (7.25%) PowerShell
9 23 (6.67%) Java 8
10 14 (4.06%) C#
10 14 (4.06%) Go
10 14 (4.06%) Korn
10 14 (4.06%) Ruby
11 13 (3.77%) JPQL
12 11 (3.19%) C++
12 11 (3.19%) Scala
13 9 (2.61%) C
13 9 (2.61%) PL/SQL
14 8 (2.32%) Groovy
15 6 (1.74%) PHP
Qualifications
1 10 (2.90%) Cisco Certification
2 9 (2.61%) Security Cleared
3 8 (2.32%) AWS Certification
4 7 (2.03%) Degree
5 5 (1.45%) Microsoft Certification
5 5 (1.45%) SC Cleared
6 4 (1.16%) CCIE
6 4 (1.16%) CCNA
6 4 (1.16%) CISSP
6 4 (1.16%) Computer Science Degree
7 3 (0.87%) CCIE Routing and Switching
7 3 (0.87%) MCSE
8 2 (0.58%) CCSA
8 2 (0.58%) CCSP
8 2 (0.58%) CISM
8 2 (0.58%) ITIL Certification
8 2 (0.58%) JNCIA
8 2 (0.58%) Master's Degree
8 2 (0.58%) MCSA
8 2 (0.58%) RHCT
Quality Assurance & Compliance
1 19 (5.51%) QA
2 3 (0.87%) SLA
3 2 (0.58%) Data Quality
3 2 (0.58%) GDPR
3 2 (0.58%) ISO/IEC 27001
3 2 (0.58%) MiFID
4 1 (0.29%) COREP
4 1 (0.29%) Cyber Essentials
4 1 (0.29%) FINREP
4 1 (0.29%) ISO/IEC 27005
4 1 (0.29%) NIST 800
4 1 (0.29%) SEPA
System Software
1 37 (10.72%) Docker
2 20 (5.80%) HDFS
3 16 (4.64%) Active Directory
4 12 (3.48%) VMware Infrastructure
5 6 (1.74%) VMware ESXi
6 4 (1.16%) VirtualBox
6 4 (1.16%) vSphere
7 3 (0.87%) Hyper-V
7 3 (0.87%) Virtual Desktop
8 2 (0.58%) NFS
8 2 (0.58%) Time Sharing Option
9 1 (0.29%) Firmware
9 1 (0.29%) KVM
9 1 (0.29%) OpenAM
9 1 (0.29%) pfSense
9 1 (0.29%) Terminal Services
9 1 (0.29%) Virtual Machines
9 1 (0.29%) Virtual Servers
9 1 (0.29%) Xen
Systems Management
1 43 (12.46%) Ansible
2 32 (9.28%) Puppet
3 31 (8.99%) Opscode Chef
4 21 (6.09%) Kubernetes
5 20 (5.80%) Terraform
6 15 (4.35%) Hadoop YARN
7 8 (2.32%) Kibana
7 8 (2.32%) logstash
8 7 (2.03%) Control-M
9 5 (1.45%) Nagios
10 4 (1.16%) Consul
10 4 (1.16%) Grafana
10 4 (1.16%) Single Sign-On
11 3 (0.87%) Dollar Universe
11 3 (0.87%) Netcool
11 3 (0.87%) OpenView
11 3 (0.87%) Prometheus
12 2 (0.58%) Capistrano
12 2 (0.58%) HP Quality Center
12 2 (0.58%) NetBackup
Vendors
1 68 (19.71%) Oracle
2 30 (8.70%) IBM
3 26 (7.54%) Red Hat
4 25 (7.25%) Google
5 22 (6.38%) Sybase
5 22 (6.38%) VMware
6 18 (5.22%) Splunk
7 15 (4.35%) Salesforce.com
8 14 (4.06%) Cisco
9 13 (3.77%) Cloudera
9 13 (3.77%) SAP
10 12 (3.48%) Microsoft
11 8 (2.32%) Atlassian
11 8 (2.32%) Citrix
11 8 (2.32%) CyberArk
11 8 (2.32%) HP
12 7 (2.03%) Juniper
12 7 (2.03%) TIBCO
13 6 (1.74%) AppDynamics
13 6 (1.74%) F5