Period
to 23 January 2019

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 23 January 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
London > Central London
6 months to
23 Jan 2019
Same period 2018 Same period 2017
Rank 82 44 35
Rank change year-on-year -38 -9 -5
Contract jobs citing Unix 287 434 437
As % of all contract IT jobs advertised in Central London 3.21% 4.95% 5.91%
As % of the Operating Systems category 16.32% 24.31% 26.52%
Number of daily rates quoted 215 352 339
Central London median daily rate £535 £500 £475
Median daily rate % change year-on-year +7.00% +5.26% -3.06%
10th Percentile £360 £380 £375
90th Percentile £650 £638 £675
London median daily rate £525 £525 £475
% change year-on-year - +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 £35.00 £30.75 £36.25
% change year-on-year +13.82% -15.17% +6.62%

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 1,759 1,785 1,648
As % of all contract IT jobs advertised in Central London 19.69% 20.35% 22.28%
Number of daily rates quoted 1,310 1,381 1,273
Central London median daily rate £475 £475 £450
Median daily rate % change year-on-year - +5.56% +2.86%
10th Percentile £150 £213 £275
90th Percentile £625 £650 £625
London median daily rate £488 £475 £450
% change year-on-year +2.63% +5.56% +5.88%
Number of hourly rates quoted 64 65 32
Central London median hourly rate £18.70 £17.00 £18.85
Median hourly rate % change year-on-year +10.00% -9.81% +4.72%
10th Percentile £14.80 £11.25 £11.25
90th Percentile £27.35 £30.00 £46.13
London median hourly rate £18.75 £18.70 £19.00
% change year-on-year +0.27% -1.58% +10.47%

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 23 January 2019.

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 23 January 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
City of London -35 231 £525 +5.00% 105
City of Westminster +7 12 £550 +29.41% 2
Southwark -36 9 £475 -5.00%
West End of London -30 8 £400 -20.00% 1
Camden -3 4 - -
Kensington and Chelsea - 2 £535 -
Unix
London

For the 6 months to 23 January 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 Central London region with a requirement for Unix.

1 150 (52.26%) Linux
2 144 (50.17%) Java
3 131 (45.64%) Agile Software Development
4 81 (28.22%) Finance
5 76 (26.48%) Relational Database
6 71 (24.74%) Git (software)
7 69 (24.04%) REST
8 68 (23.69%) Banking
9 67 (23.34%) Test Automation
10 64 (22.30%) JIRA
11 63 (21.95%) Windows
12 62 (21.60%) SQL
12 62 (21.60%) Python
13 55 (19.16%) Amazon AWS
14 54 (18.82%) Maven
15 53 (18.47%) Jenkins
16 51 (17.77%) Oracle
17 50 (17.42%) TDD
18 48 (16.72%) Confluence
19 47 (16.38%) SQL Server
19 47 (16.38%) DevOps
20 44 (15.33%) BDD
21 43 (14.98%) Cucumber
22 41 (14.29%) OO
22 41 (14.29%) Docker
23 40 (13.94%) HTML
23 40 (13.94%) Spring
24 38 (13.24%) JavaScript
25 37 (12.89%) Hibernate
26 36 (12.54%) Continuous Integration

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 48 (16.72%) Confluence
2 33 (11.50%) Apache
3 24 (8.36%) JBoss
4 15 (5.23%) WebLogic
5 13 (4.53%) WildFly
6 11 (3.83%) Apache Spark
7 10 (3.48%) Elasticsearch
8 9 (3.14%) Tomcat
9 8 (2.79%) Mule
10 7 (2.44%) SAS
11 6 (2.09%) Cloud Foundry
11 6 (2.09%) CMS
11 6 (2.09%) WebSphere
12 4 (1.39%) Adobe Experience Manager
12 4 (1.39%) MS Exchange
12 4 (1.39%) SharePoint
13 3 (1.05%) nginx
13 3 (1.05%) Oracle Workflow
13 3 (1.05%) WordPress
14 2 (0.70%) Apache Solr
Applications
1 3 (1.05%) MS Visio
2 2 (0.70%) Microsoft Office
3 1 (0.35%) Microsoft Excel
Business Applications
1 8 (2.79%) Actimize
2 6 (2.09%) Salesforce.com CRM
3 3 (1.05%) Oracle Applications
3 3 (1.05%) Oracle EBS
4 2 (0.70%) Sentinel
5 1 (0.35%) 3000 Xtra
5 1 (0.35%) BusinessWorks
5 1 (0.35%) ION MarketView
5 1 (0.35%) Kondor
5 1 (0.35%) LatentZero
5 1 (0.35%) MetaTrader
5 1 (0.35%) Oracle Retail
5 1 (0.35%) RMDS
5 1 (0.35%) SunGard Martini
5 1 (0.35%) Temenos T24
Cloud Services
1 55 (19.16%) Amazon AWS
2 16 (5.57%) Microsoft Azure
3 12 (4.18%) GitHub
4 9 (3.14%) PaaS
5 8 (2.79%) Google Cloud Platform
6 7 (2.44%) Amazon CloudWatch
6 7 (2.44%) Virtual Private Cloud
7 6 (2.09%) Amazon EC2
7 6 (2.09%) Amazon S3
7 6 (2.09%) Datadog
8 5 (1.74%) AWS CloudFormation
8 5 (1.74%) AWS Lambda
8 5 (1.74%) IBM Cloud
8 5 (1.74%) Office 365
8 5 (1.74%) SaaS
8 5 (1.74%) Serverless
9 4 (1.39%) CloudFront
9 4 (1.39%) IaaS
9 4 (1.39%) Route 53
10 2 (0.70%) OpenShift
Communications & Networking
1 32 (11.15%) HTTP
2 20 (6.97%) TCP/IP
3 14 (4.88%) Firewall
4 13 (4.53%) VPN
5 10 (3.48%) LAN
5 10 (3.48%) SSL
6 9 (3.14%) DNS
6 9 (3.14%) WAN
7 8 (2.79%) SAN
8 7 (2.44%) BGP
8 7 (2.44%) DHCP
8 7 (2.44%) Internet
8 7 (2.44%) OSPF
8 7 (2.44%) Wireless
9 6 (2.09%) Cisco ASA
9 6 (2.09%) Cisco Nexus
9 6 (2.09%) IPsec
9 6 (2.09%) VoIP
10 5 (1.74%) HTTPS
11 4 (1.39%) SNMP
Database & Business Intelligence
1 76 (26.48%) Relational Database
2 47 (16.38%) SQL Server
3 29 (10.10%) RDBMS
4 22 (7.67%) MongoDB
5 21 (7.32%) MySQL
6 18 (6.27%) NoSQL
7 16 (5.57%) Hadoop
8 14 (4.88%) Neo4j
9 11 (3.83%) Impala
10 10 (3.48%) Apache Kudu
10 10 (3.48%) PostgreSQL
11 9 (3.14%) Big Data
12 7 (2.44%) KDB
13 6 (2.09%) Data Warehouse
14 5 (1.74%) DB2
15 4 (1.39%) Amazon RDS
15 4 (1.39%) Apache Cassandra
15 4 (1.39%) Data Mining
15 4 (1.39%) Oracle Database
15 4 (1.39%) Redis
Development Applications
1 71 (24.74%) Git (software)
2 64 (22.30%) JIRA
3 54 (18.82%) Maven
4 53 (18.47%) Jenkins
5 43 (14.98%) Cucumber
6 34 (11.85%) JUnit
7 33 (11.50%) Subversion
8 31 (10.80%) Mockito
9 27 (9.41%) Selenium
10 17 (5.92%) jMock
10 17 (5.92%) Vagrant
11 14 (4.88%) SonarQube
12 13 (4.53%) Atlassian Bamboo
12 13 (4.53%) Checkstyle
12 13 (4.53%) FishEye
12 13 (4.53%) Liquibase
13 10 (3.48%) Hudson
13 10 (3.48%) Sonatype Nexus
14 8 (2.79%) GitLab
15 6 (2.09%) NeoLoad
General
1 81 (28.22%) Finance
2 68 (23.69%) Banking
3 32 (11.15%) Investment Banking
4 31 (10.80%) Front Office
5 13 (4.53%) Financial Institution
5 13 (4.53%) Retail Banking
6 12 (4.18%) Back Office
7 6 (2.09%) Retail
7 6 (2.09%) Telecoms
8 5 (1.74%) Advertising
9 4 (1.39%) Manufacturing
10 3 (1.05%) Marketing
11 2 (0.70%) Multimedia
11 2 (0.70%) Publishing
12 1 (0.35%) Billing
12 1 (0.35%) Games
12 1 (0.35%) Law
12 1 (0.35%) Private Banking
Job Titles
1 116 (40.42%) Developer
2 84 (29.27%) Java Developer
3 28 (9.76%) DevOps Engineer
4 26 (9.06%) Analyst
5 16 (5.57%) Full Stack Developer
6 14 (4.88%) Consultant
6 14 (4.88%) Support Analyst
7 13 (4.53%) AWS Developer
7 13 (4.53%) Linux Engineer
8 10 (3.48%) Administrator
9 9 (3.14%) Apache Spark Developer
9 9 (3.14%) Systems Administrator
10 8 (2.79%) Architect
11 7 (2.44%) Business Analyst
11 7 (2.44%) C# Developer
12 6 (2.09%) AWS DevOps
12 6 (2.09%) AWS DevOps Engineer
12 6 (2.09%) AWS Engineer
12 6 (2.09%) Salesforce Analyst
12 6 (2.09%) Wintel Engineer
Libraries, Frameworks & Software Standards
1 69 (24.04%) REST
2 40 (13.94%) HTML
2 40 (13.94%) Spring
3 37 (12.89%) Hibernate
4 28 (9.76%) Web Services
5 27 (9.41%) JAX-RS
5 27 (9.41%) React
5 27 (9.41%) XML
6 26 (9.06%) JMS
7 25 (8.71%) Java EE
8 24 (8.36%) Middleware
9 20 (6.97%) AngularJS
9 20 (6.97%) Node.js
10 19 (6.62%) RESTful
11 18 (6.27%) Twitter Bootstrap
12 16 (5.57%) Angular 2
12 16 (5.57%) Redux
13 14 (4.88%) Dropwizard
14 13 (4.53%) Lambda Expressions
14 13 (4.53%) WireMock
Miscellaneous
1 32 (11.15%) Linux Command Line
2 16 (5.57%) Data Centre
3 9 (3.14%) Analytical Skills
3 9 (3.14%) Fixed Income
3 9 (3.14%) Foreign Exchange (FX)
4 8 (2.79%) Equities
5 6 (2.09%) Tandem
6 5 (1.74%) Fintech
6 5 (1.74%) iPad
7 3 (1.05%) Client/Server
7 3 (1.05%) Clustering
7 3 (1.05%) Hedge funds
7 3 (1.05%) Mobile App
7 3 (1.05%) PKI
7 3 (1.05%) Replication
7 3 (1.05%) Smartphone
7 3 (1.05%) User Experience
8 2 (0.70%) Mainframe
8 2 (0.70%) Thin Client
8 2 (0.70%) Wiki
Operating Systems
1 150 (52.26%) Linux
2 63 (21.95%) Windows
3 23 (8.01%) Windows Server
4 20 (6.97%) Red Hat Enterprise Linux
5 17 (5.92%) Mac OS X
6 13 (4.53%) VMS
7 12 (4.18%) Solaris
8 5 (1.74%) Apple iOS
8 5 (1.74%) Ubuntu
8 5 (1.74%) Windows Server 2008
9 4 (1.39%) Android
9 4 (1.39%) Mac OS
9 4 (1.39%) Mesosphere
9 4 (1.39%) Windows 10
9 4 (1.39%) Windows 7
10 3 (1.05%) Windows Server 2012
11 2 (0.70%) AIX
11 2 (0.70%) SUSE Linux Enterprise Server
11 2 (0.70%) Windows Server 2003
11 2 (0.70%) Windows XP
Processes & Methodologies
1 131 (45.64%) Agile Software Development
2 67 (23.34%) Test Automation
3 50 (17.42%) TDD
4 47 (16.38%) DevOps
5 44 (15.33%) BDD
6 41 (14.29%) OO
7 36 (12.54%) Continuous Integration
8 31 (10.80%) Migration
9 27 (9.41%) Scrum
10 24 (8.36%) Microservices
11 22 (7.67%) Problem-Solving
11 22 (7.67%) SDET
12 20 (6.97%) SDLC
12 20 (6.97%) Web Development
13 19 (6.62%) Data Modelling
13 19 (6.62%) UML
14 17 (5.92%) Business Intelligence
14 17 (5.92%) Configuration Management
14 17 (5.92%) Open Source
15 16 (5.57%) Continuous Deployment
Programming Languages
1 144 (50.17%) Java
2 62 (21.60%) Python
2 62 (21.60%) SQL
3 38 (13.24%) JavaScript
4 30 (10.45%) Java 8
5 27 (9.41%) Perl
6 23 (8.01%) Shell Script
7 17 (5.92%) PowerShell
8 14 (4.88%) C#
9 13 (4.53%) JPQL
9 13 (4.53%) Ruby
10 11 (3.83%) PL/SQL
11 10 (3.48%) Bash Shell
12 7 (2.44%) Scala
13 6 (2.09%) Groovy
14 5 (1.74%) PHP
15 4 (1.39%) C++
16 3 (1.05%) COBOL
16 3 (1.05%) Go
16 3 (1.05%) Korn
Qualifications
1 9 (3.14%) Security Cleared
2 6 (2.09%) AWS Certification
2 6 (2.09%) Cisco Certification
2 6 (2.09%) SC Cleared
3 5 (1.74%) Degree
3 5 (1.74%) Microsoft Certification
4 4 (1.39%) CCIE
4 4 (1.39%) CCIE Routing and Switching
5 3 (1.05%) Computer Science Degree
5 3 (1.05%) MCSE
6 2 (0.70%) DV Cleared
6 2 (0.70%) ITIL Certification
6 2 (0.70%) MCSA
6 2 (0.70%) PMI Certification
6 2 (0.70%) PMP
7 1 (0.35%) DBS Check
7 1 (0.35%) IBM Certification
7 1 (0.35%) MCP
Quality Assurance & Compliance
1 16 (5.57%) QA
2 3 (1.05%) Data Quality
2 3 (1.05%) SLA
3 2 (0.70%) GDPR
4 1 (0.35%) Cyber Essentials
4 1 (0.35%) ISO/IEC 27001
System Software
1 41 (14.29%) Docker
2 17 (5.92%) Active Directory
3 11 (3.83%) HDFS
4 4 (1.39%) VMware Infrastructure
5 3 (1.05%) Oracle RAC
5 3 (1.05%) Virtual Desktop
5 3 (1.05%) VirtualBox
6 2 (0.70%) NFS
6 2 (0.70%) Time Sharing Option
6 2 (0.70%) VMware ESXi
6 2 (0.70%) VMware Workstation
6 2 (0.70%) vSphere
7 1 (0.35%) Firmware
7 1 (0.35%) Hyper-V
7 1 (0.35%) KVM
7 1 (0.35%) Terminal Services
7 1 (0.35%) Virtual Machines
7 1 (0.35%) Xen
Systems Management
1 26 (9.06%) Ansible
2 25 (8.71%) Kubernetes
3 18 (6.27%) Terraform
4 17 (5.92%) Puppet
5 10 (3.48%) Opscode Chef
6 7 (2.44%) Kibana
7 6 (2.09%) Control-M
7 6 (2.09%) logstash
8 5 (1.74%) Mesos
9 4 (1.39%) Consul
9 4 (1.39%) Docker Swarm
9 4 (1.39%) Marathon
9 4 (1.39%) Nagios
9 4 (1.39%) SCCM
10 3 (1.05%) Netcool
10 3 (1.05%) Prometheus
10 3 (1.05%) Single Sign-On
10 3 (1.05%) ZABBIX
11 2 (0.70%) Hadoop YARN
11 2 (0.70%) Rancher
Vendors
1 51 (17.77%) Oracle
2 27 (9.41%) Sybase
3 23 (8.01%) Red Hat
4 20 (6.97%) IBM
5 18 (6.27%) Atlassian
5 18 (6.27%) VMware
6 14 (4.88%) Google
6 14 (4.88%) Splunk
7 12 (4.18%) Microsoft
8 9 (3.14%) Cisco
8 9 (3.14%) Salesforce.com
9 8 (2.79%) Bloomberg
9 8 (2.79%) Citrix
10 6 (2.09%) Palo Alto
10 6 (2.09%) SAP
10 6 (2.09%) TIBCO
11 5 (1.74%) Adobe
11 5 (1.74%) F5
11 5 (1.74%) Murex
12 4 (1.39%) HP