Period
to 24 November 2017

The following table provides summary statistics for contract job vacancies advertised in 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 24 November 2017 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
England > London
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 44 40 29
Rank change year-on-year -4 -11 -2
Contract jobs citing Unix 2431 2281 2572
As % of all contract IT jobs advertised in London 5.16% 5.06% 5.48%
As % of the Operating Systems category 24.81% 24.37% 25.68%
Number of daily rates quoted 1602 1515 1696
London median daily rate £525 £475 £475
Median daily rate % change year-on-year +10.53% - +5.56%
10th Percentile £369 £325 £313
90th Percentile £650 £638 £638
England median daily rate £475 £430 £430
% change year-on-year +10.47% - +1.18%
Number of hourly rates quoted 19 14 14
London median hourly rate £32.00 £27.50 £28.93
Median hourly rate % change year-on-year +16.36% -4.93% +80.78%
10th Percentile £25.21 £15.33 £16.51
90th Percentile £57.50 £46.43 £66.25
England median hourly rate £30.75 £33.08 £37.00
% change year-on-year -7.04% -10.60% +23.33%

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 London with a requirement for operating system skills.

All Operating Systems
London
Contract vacancies with a requirement for operating system skills 9798 9360 10015
As % of all contract IT jobs advertised in London 20.80% 20.75% 21.33%
Number of daily rates quoted 6947 6469 6827
London median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.56% +5.88% +6.25%
10th Percentile £202 £230 £205
90th Percentile £638 £600 £600
England median daily rate £425 £410 £400
% change year-on-year +3.66% +2.50% +6.67%
Number of hourly rates quoted 269 211 316
London median hourly rate £19.00 £18.00 £17.43
Median hourly rate % change year-on-year +5.56% +3.30% +8.91%
10th Percentile £12.00 £11.25 £11.25
90th Percentile £47.83 £48.38 £43.00
England median hourly rate £17.50 £16.50 £16.50
% change year-on-year +6.06% - +4.90%

Unix
Job Vacancy Trend in London

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

Job vacancy trend for Unix in London

Unix
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Unix in London

Unix
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Unix in London over the 6 months to 24 November 2017.

Contractor daily rate histogram for Unix in London

Unix
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for Unix in London

Unix
Contractor Hourly Rate Histogram in London

The hourly rate distribution of IT jobs citing Unix in London over the 6 months to 24 November 2017.

Contractor hourly rate histogram for Unix in London

Unix
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 Unix within the London region over the 6 months to 24 November 2017. 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 -7 401 £525 +10.53% 63
West London -7 138 £488 +30.00% 21
South London +12 104 £530 +29.27% 4
East London -1 46 £575 +39.39% 6
North London -10 4 £450 +44.00% 3
Unix
England

For the 6 months to 24 November 2017, IT contractor jobs citing Unix also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the London region with a requirement for Unix.

1 1468 (60.39%) Linux
2 1088 (44.76%) Java
3 823 (33.85%) SQL
4 725 (29.82%) Python
5 680 (27.97%) Finance
6 660 (27.15%) Agile Software Development
7 557 (22.91%) Windows
8 539 (22.17%) Banking
9 513 (21.10%) DevOps
10 504 (20.73%) Oracle
11 398 (16.37%) Git (software)
12 374 (15.38%) Perl
13 370 (15.22%) Jenkins
14 360 (14.81%) Amazon AWS
15 350 (14.40%) Shell Script
16 299 (12.30%) Ansible
17 285 (11.72%) Continuous Integration
18 283 (11.64%) Docker
18 283 (11.64%) Puppet
19 279 (11.48%) Web Services
20 272 (11.19%) JIRA
20 272 (11.19%) Relational Database
21 262 (10.78%) Maven
22 261 (10.74%) JavaScript
23 260 (10.70%) Analytical Skills
24 259 (10.65%) Test Automation
25 254 (10.45%) Investment Banking
26 251 (10.32%) Front Office
27 238 (9.79%) Spring
28 228 (9.38%) RESTful

Unix
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
1 143 (5.88%) Confluence
2 136 (5.59%) Tomcat
3 124 (5.10%) Apache
4 90 (3.70%) WebSphere
5 82 (3.37%) Elasticsearch
6 67 (2.76%) Apache Spark
7 63 (2.59%) JBoss
8 62 (2.55%) WildFly
9 60 (2.47%) IIS
10 57 (2.34%) WebLogic
11 42 (1.73%) nginx
12 40 (1.65%) OpenStack
13 27 (1.11%) Apache Pig
14 24 (0.99%) Apache Solr
15 23 (0.95%) Cloud Foundry
15 23 (0.95%) MQSeries
16 22 (0.90%) MS Exchange
16 22 (0.90%) Oracle SOA Suite
17 17 (0.70%) Mule
18 16 (0.66%) SAS
Applications
1 37 (1.52%) Microsoft Excel
2 21 (0.86%) Microsoft Office
3 15 (0.62%) MS Visio
4 11 (0.45%) HipChat
5 10 (0.41%) Microsoft PowerPoint
6 7 (0.29%) Microsoft Project
7 3 (0.12%) InVision
7 3 (0.12%) Spreadsheet
7 3 (0.12%) SPSS
8 2 (0.082%) Adobe Illustrator
8 2 (0.082%) Photoshop
8 2 (0.082%) Weka
9 1 (0.041%) Doxygen
9 1 (0.041%) Stata
Business Applications
1 24 (0.99%) RMDS
2 23 (0.95%) ION MarketView
3 16 (0.66%) Temenos T24
4 13 (0.53%) Magento
5 9 (0.37%) Oracle Retail
5 9 (0.37%) Unica
6 7 (0.29%) BusinessWorks
6 7 (0.29%) Oracle BPM
6 7 (0.29%) Oracle EBS
7 6 (0.25%) Oracle Applications
8 5 (0.21%) Global One
8 5 (0.21%) Kondor
9 3 (0.12%) Bloomberg TOMS
9 3 (0.12%) Oracle Payables
10 2 (0.082%) Dynamics CRM
10 2 (0.082%) HiPortfolio
10 2 (0.082%) Oracle ERP
10 2 (0.082%) Oracle iProcurement
10 2 (0.082%) Salerio
11 1 (0.041%) CSG Singleview
Cloud Services
1 360 (14.81%) Amazon AWS
2 91 (3.74%) Microsoft Azure
3 83 (3.41%) GitHub
4 53 (2.18%) Amazon EC2
5 46 (1.89%) Virtual Private Cloud
6 39 (1.60%) Cloud Computing
7 37 (1.52%) Amazon S3
8 28 (1.15%) PaaS
9 27 (1.11%) Serverless
10 25 (1.03%) npm
11 24 (0.99%) AWS Lambda
11 24 (0.99%) OpenShift
11 24 (0.99%) Route 53
12 22 (0.90%) IaaS
13 19 (0.78%) Amazon CloudWatch
14 17 (0.70%) CloudFront
14 17 (0.70%) Google Cloud Platform
15 14 (0.58%) AWS CloudFormation
16 12 (0.49%) Office 365
17 11 (0.45%) SaaS
Communications & Networking
1 178 (7.32%) TCP/IP
2 160 (6.58%) Firewall
3 85 (3.50%) SAN
4 83 (3.41%) HTTP
5 73 (3.00%) DNS
6 60 (2.47%) Internet
7 55 (2.26%) LDAP
8 48 (1.97%) NAS
9 45 (1.85%) VPN
10 43 (1.77%) SSL
11 35 (1.44%) WAN
12 34 (1.40%) Network Security
13 33 (1.36%) LAN
14 30 (1.23%) DHCP
14 30 (1.23%) Kerberos
15 21 (0.86%) SMTP
16 20 (0.82%) BIG-IP
17 19 (0.78%) SSH
18 18 (0.74%) Intrusion Detection
19 15 (0.62%) SMS
Database & Business Intelligence
1 272 (11.19%) Relational Database
2 163 (6.71%) NoSQL
3 153 (6.29%) SQL Server
4 148 (6.09%) RDBMS
5 142 (5.84%) MySQL
6 126 (5.18%) Oracle Database
7 119 (4.90%) Hadoop
8 116 (4.77%) Big Data
9 106 (4.36%) MongoDB
10 96 (3.95%) Apache Cassandra
11 94 (3.87%) PostgreSQL
12 62 (2.55%) DB2
13 50 (2.06%) Apache Hive
14 42 (1.73%) Data Warehouse
15 39 (1.60%) Redis
16 37 (1.52%) KDB
17 36 (1.48%) HBase
18 31 (1.28%) Sybase ASE
19 29 (1.19%) Oracle Database 11g
20 25 (1.03%) OLTP
Development Applications
1 398 (16.37%) Git (software)
2 370 (15.22%) Jenkins
3 272 (11.19%) JIRA
4 262 (10.78%) Maven
5 172 (7.08%) JUnit
6 148 (6.09%) Mockito
7 122 (5.02%) Subversion
8 92 (3.78%) Cucumber
9 66 (2.71%) Vagrant
10 59 (2.43%) Liquibase
11 57 (2.34%) SonarQube
11 57 (2.34%) TeamCity
12 56 (2.30%) Checkstyle
12 56 (2.30%) Sonatype Nexus
13 55 (2.26%) Selenium
14 50 (2.06%) Gradle
15 43 (1.77%) Bitbucket
16 37 (1.52%) Artifactory
16 37 (1.52%) IntelliJ
17 34 (1.40%) WebDriver
General
1 680 (27.97%) Finance
2 539 (22.17%) Banking
3 254 (10.45%) Investment Banking
4 251 (10.32%) Front Office
5 77 (3.17%) Games
6 72 (2.96%) Retail
7 54 (2.22%) Financial Institution
8 48 (1.97%) Telecoms
9 32 (1.32%) Marketing
10 28 (1.15%) Back Office
11 24 (0.99%) Retail Banking
12 21 (0.86%) Electronics
12 21 (0.86%) Manufacturing
13 13 (0.53%) Legal
14 11 (0.45%) Advertising
15 9 (0.37%) Prime Brokerage
16 8 (0.33%) French Language
16 8 (0.33%) International Banking
17 7 (0.29%) German Language
17 7 (0.29%) Law
Job Titles
1 850 (34.97%) Developer
2 390 (16.04%) Java Developer
3 251 (10.32%) DevOps Engineer
4 216 (8.89%) Analyst
5 168 (6.91%) Senior Developer
6 135 (5.55%) Administrator
7 132 (5.43%) Consultant
8 121 (4.98%) Senior Java Developer
9 118 (4.85%) Linux Engineer
10 109 (4.48%) C++ Developer
11 101 (4.15%) Unix Engineer
12 98 (4.03%) Support Analyst
13 96 (3.95%) AWS DevOps
14 95 (3.91%) AWS Engineer
15 83 (3.41%) Applications Support
16 76 (3.13%) Architect
16 76 (3.13%) AWS DevOps Engineer
16 76 (3.13%) Python Developer
17 74 (3.04%) Systems Administrator
18 60 (2.47%) Scala Developer
Libraries, Frameworks & Software Standards
1 279 (11.48%) Web Services
2 238 (9.79%) Spring
3 228 (9.38%) RESTful
4 218 (8.97%) XML
5 203 (8.35%) REST
6 152 (6.25%) HTML
7 148 (6.09%) FIX Protocol
8 135 (5.55%) JMS
9 122 (5.02%) Hibernate
10 107 (4.40%) Elastic Stack
11 104 (4.28%) J2EE
12 103 (4.24%) Node.js
13 102 (4.20%) Middleware
14 100 (4.11%) CSS
15 95 (3.91%) AngularJS
15 95 (3.91%) Kafka
16 94 (3.87%) JSON
17 89 (3.66%) Java EE
18 82 (3.37%) HTML5
19 74 (3.04%) .NET
Miscellaneous
1 260 (10.70%) Analytical Skills
2 184 (7.57%) Foreign Exchange (FX)
3 143 (5.88%) Linux Command Line
4 125 (5.14%) Fixed Income
5 105 (4.32%) Equities
6 97 (3.99%) Data Centre
7 83 (3.41%) Computer Science
8 79 (3.25%) Derivative
9 64 (2.63%) Data Structures
10 55 (2.26%) Greenfield Project
11 47 (1.93%) Management Information System
12 42 (1.73%) Algorithms
12 42 (1.73%) Replication
13 37 (1.52%) Enterprise Software
14 35 (1.44%) Fintech
15 32 (1.32%) SWIFT
16 31 (1.28%) Clustering
17 30 (1.23%) Public Cloud
18 29 (1.19%) PKI
19 27 (1.11%) Online Games
Operating Systems
1 1468 (60.39%) Linux
2 557 (22.91%) Windows
3 208 (8.56%) Solaris
4 197 (8.10%) Red Hat Enterprise Linux
5 97 (3.99%) Windows Server
6 90 (3.70%) AIX
7 68 (2.80%) CentOS
8 60 (2.47%) Mac OS X
9 55 (2.26%) VMS
10 36 (1.48%) Mac OS
11 34 (1.40%) Windows Server 2008
12 31 (1.28%) Windows Server 2012
13 26 (1.07%) Windows Server 2003
14 24 (0.99%) Apple iOS
15 22 (0.90%) Android
15 22 (0.90%) SUSE
16 17 (0.70%) HPUX
17 14 (0.58%) Windows XP
18 12 (0.49%) Ubuntu
18 12 (0.49%) zOS
Processes & Methodologies
1 660 (27.15%) Agile Software Development
2 513 (21.10%) DevOps
3 285 (11.72%) Continuous Integration
4 259 (10.65%) Test Automation
5 203 (8.35%) TDD
6 200 (8.23%) Configuration Management
7 194 (7.98%) Microservices
7 194 (7.98%) OO
8 182 (7.49%) Multithreading
9 177 (7.28%) Scrum
10 150 (6.17%) ITIL
11 148 (6.09%) SDLC
12 146 (6.01%) Migration
13 141 (5.80%) BDD
14 139 (5.72%) Electronic Trading
15 138 (5.68%) Open Source
16 130 (5.35%) Kanban
17 126 (5.18%) Dependency Injection
17 126 (5.18%) High Availability
18 122 (5.02%) Software Engineering
Programming Languages
1 1088 (44.76%) Java
2 823 (33.85%) SQL
3 725 (29.82%) Python
4 374 (15.38%) Perl
5 350 (14.40%) Shell Script
6 261 (10.74%) JavaScript
7 224 (9.21%) C++
8 216 (8.89%) Bash Shell
9 179 (7.36%) Ruby
10 154 (6.33%) Scala
11 103 (4.24%) PL/SQL
12 90 (3.70%) PowerShell
13 89 (3.66%) C#
14 63 (2.59%) Korn
15 55 (2.26%) Go
16 53 (2.18%) JPQL
17 52 (2.14%) C
18 51 (2.10%) PHP
19 44 (1.81%) R
20 37 (1.52%) Groovy
Qualifications
1 207 (8.52%) Security Cleared
2 146 (6.01%) Degree
3 130 (5.35%) SC Cleared
4 44 (1.81%) CISSP
5 37 (1.52%) Computer Science Degree
6 25 (1.03%) DV Cleared
7 19 (0.78%) Cisco Certification
7 19 (0.78%) CISM
8 12 (0.49%) Master's Degree
8 12 (0.49%) RHCE
9 11 (0.45%) BPSS Clearance
9 11 (0.45%) Microsoft Certification
10 9 (0.37%) CRISC
10 9 (0.37%) ISEB
10 9 (0.37%) ITIL Certification
11 8 (0.33%) CGEIT
11 8 (0.33%) RHCA
12 7 (0.29%) CREST Certified
12 7 (0.29%) ISTQB Foundation Certification
12 7 (0.29%) SANS
Quality Assurance & Compliance
1 92 (3.78%) QA
2 68 (2.80%) MiFID
3 37 (1.52%) SLA
4 19 (0.78%) Sarbanes-Oxley
5 18 (0.74%) ISO/IEC 27001
6 16 (0.66%) PCI DSS
7 12 (0.49%) TARGET2
8 10 (0.41%) GDPR
9 9 (0.37%) COBIT
10 7 (0.29%) GCP
11 6 (0.25%) Data Quality
12 5 (0.21%) Dodd-Frank
12 5 (0.21%) EMIR
12 5 (0.21%) HMG Infosec
12 5 (0.21%) PMO
12 5 (0.21%) SEPA
13 4 (0.16%) COREP
13 4 (0.16%) Disclosure Scotland
13 4 (0.16%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
14 3 (0.12%) AIFMD
System Software
1 283 (11.64%) Docker
2 101 (4.15%) Active Directory
3 62 (2.55%) VMware Infrastructure
4 34 (1.40%) HDFS
5 33 (1.36%) NFS
6 23 (0.95%) Hyper-V
6 23 (0.95%) VMware ESXi
7 21 (0.86%) Oracle RAC
8 15 (0.62%) Veritas Volume Manager
9 14 (0.58%) Samba
9 14 (0.58%) SRDF
10 12 (0.49%) Virtual Machines
11 11 (0.45%) Apache ZooKeeper
11 11 (0.45%) Firmware
12 10 (0.41%) Apache Flume
12 10 (0.41%) KVM
13 9 (0.37%) vCloud
13 9 (0.37%) Veritas Cluster Server
13 9 (0.37%) Veritas File System
14 7 (0.29%) Virtual Servers
Systems Management
1 299 (12.30%) Ansible
2 283 (11.64%) Puppet
3 151 (6.21%) Opscode Chef
4 142 (5.84%) logstash
5 135 (5.55%) Kubernetes
6 94 (3.87%) Kibana
7 83 (3.41%) Terraform
8 80 (3.29%) Grafana
9 60 (2.47%) ITRS Geneos
9 60 (2.47%) Nagios
10 32 (1.32%) Rancher
11 31 (1.28%) Control-M
12 28 (1.15%) NetBackup
13 27 (1.11%) BladeLogic
14 26 (1.07%) Prometheus
15 22 (0.90%) ZABBIX
16 20 (0.82%) Hadoop YARN
17 19 (0.78%) HAProxy
18 18 (0.74%) Packer
19 17 (0.70%) SCCM
Vendors
1 504 (20.73%) Oracle
2 200 (8.23%) Splunk
3 185 (7.61%) Red Hat
4 171 (7.03%) Sybase
5 147 (6.05%) IBM
6 132 (5.43%) Microsoft
7 112 (4.61%) VMware
8 102 (4.20%) AppDynamics
9 72 (2.96%) HP
10 64 (2.63%) TIBCO
11 59 (2.43%) SAP
12 55 (2.26%) Atlassian
13 50 (2.06%) CyberArk
14 47 (1.93%) Cisco
15 45 (1.85%) Google
16 39 (1.60%) Veritas
17 37 (1.52%) EMC
17 37 (1.52%) F5
18 36 (1.48%) Citrix
19 35 (1.44%) Bloomberg