Period
to 16 December 2018

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 16 December 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
England > London
6 months to
16 Dec 2018
Same period 2017 Same period 2016
Rank 64 45 39
Rank change year-on-year -19 -6 -10
Contract jobs citing Unix 1,893 2,392 2,301
As % of all contract IT jobs advertised in London 4.07% 5.07% 5.17%
As % of the Operating Systems category 20.55% 24.38% 25.01%
Number of daily rates quoted 1,327 1,589 1,532
London median daily rate £525 £525 £475
Median daily rate % change year-on-year - +10.53% -
10th Percentile £363 £367 £325
90th Percentile £675 £663 £638
England median daily rate £495 £485 £438
% change year-on-year +2.06% +10.86% +1.74%
Number of hourly rates quoted 5 16 17
London median hourly rate £35.00 £31.38 £27.50
Median hourly rate % change year-on-year +11.55% +14.09% -4.93%
10th Percentile £20.65 £26.17 £15.40
90th Percentile £66.22 £57.50 £47.88
England median hourly rate £35.00 £30.00 £36.00
% change year-on-year +16.67% -16.67% +2.86%

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 9,213 9,811 9,202
As % of all contract IT jobs advertised in London 19.82% 20.78% 20.69%
Number of daily rates quoted 6,460 6,983 6,365
London median daily rate £488 £475 £450
Median daily rate % change year-on-year +2.63% +5.56% +5.88%
10th Percentile £188 £200 £233
90th Percentile £650 £638 £605
England median daily rate £430 £425 £413
% change year-on-year +1.18% +3.03% +3.13%
Number of hourly rates quoted 263 273 200
London median hourly rate £18.70 £18.70 £18.00
Median hourly rate % change year-on-year - +3.89% +2.86%
10th Percentile £12.55 £12.00 £11.25
90th Percentile £47.50 £47.83 £47.88
England median hourly rate £17.50 £17.50 £16.50
% change year-on-year - +6.06% -

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 16 December 2018.

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 16 December 2018.

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 16 December 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
Central London -26 328 £525 +5.00% 113
South London +6 161 £525 -4.55% 5
West London -16 109 £513 +5.13% 48
East London -59 19 £500 -16.67% 12
North London +5 16 £400 -17.95%
Unix
England

For the 6 months to 16 December 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 London region with a requirement for Unix.

1 1,007 (53.20%) Linux
2 735 (38.83%) Java
3 659 (34.81%) Agile Software Development
4 597 (31.54%) SQL
5 580 (30.64%) Python
6 480 (25.36%) Windows
7 458 (24.19%) Finance
8 413 (21.82%) Git (software)
9 402 (21.24%) Oracle
10 383 (20.23%) Banking
11 365 (19.28%) Test Automation
12 352 (18.59%) Jenkins
13 342 (18.07%) DevOps
13 342 (18.07%) Amazon AWS
14 310 (16.38%) Relational Database
15 292 (15.43%) Ansible
15 292 (15.43%) Continuous Integration
16 271 (14.32%) JIRA
17 259 (13.68%) Docker
18 256 (13.52%) Shell Script
19 239 (12.63%) SQL Server
20 230 (12.15%) Perl
21 225 (11.89%) OO
22 223 (11.78%) Scrum
23 221 (11.67%) REST
24 211 (11.15%) Puppet
25 209 (11.04%) JavaScript
25 209 (11.04%) Maven
26 201 (10.62%) Spring
27 196 (10.35%) Investment Banking

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
1 171 (9.03%) Confluence
2 160 (8.45%) Apache
3 97 (5.12%) Elasticsearch
4 72 (3.80%) WebSphere
5 66 (3.49%) WildFly
6 64 (3.38%) JBoss
7 56 (2.96%) Apache Spark
8 50 (2.64%) WebLogic
9 46 (2.43%) Tomcat
10 44 (2.32%) IIS
11 31 (1.64%) Mule
12 26 (1.37%) SAS
13 20 (1.06%) CMS
14 19 (1.00%) Cloud Foundry
14 19 (1.00%) Commerce Server
15 18 (0.95%) Apache Solr
15 18 (0.95%) MS Exchange
15 18 (0.95%) nginx
16 17 (0.90%) Adobe Experience Manager
16 17 (0.90%) Apache Qpid
Applications
1 63 (3.33%) MS Visio
2 61 (3.22%) Microsoft Excel
3 38 (2.01%) Microsoft Office
4 23 (1.22%) Microsoft PowerPoint
5 7 (0.37%) Microsoft Project
6 1 (0.053%) Adobe Illustrator
6 1 (0.053%) GIMP
6 1 (0.053%) HipChat
6 1 (0.053%) Mozilla Thunderbird
6 1 (0.053%) Photoshop
Business Applications
1 20 (1.06%) Salesforce.com CRM
2 17 (0.90%) ION MarketView
3 14 (0.74%) Actimize
3 14 (0.74%) HiPortfolio
4 12 (0.63%) Oracle EBS
5 11 (0.58%) Oracle Retail
6 9 (0.48%) Oracle Applications
7 7 (0.37%) Sentinel
8 4 (0.21%) BusinessWorks
8 4 (0.21%) Fredhopper
9 3 (0.16%) Global One
9 3 (0.16%) Oracle BPM
9 3 (0.16%) Oracle Cash Management
9 3 (0.16%) Oracle EBS R12
9 3 (0.16%) SAP Oil and Gas
9 3 (0.16%) SAP S/4HANA
10 2 (0.11%) LatentZero
10 2 (0.11%) MetaTrader
10 2 (0.11%) R3 Corda
10 2 (0.11%) RMDS
Cloud Services
1 342 (18.07%) Amazon AWS
2 116 (6.13%) Microsoft Azure
3 90 (4.75%) Amazon EC2
4 88 (4.65%) Amazon S3
5 73 (3.86%) Virtual Private Cloud
6 72 (3.80%) GitHub
7 55 (2.91%) PaaS
8 54 (2.85%) Google Cloud Platform
9 34 (1.80%) Amazon CloudWatch
10 30 (1.58%) IaaS
11 29 (1.53%) AWS CloudFormation
12 28 (1.48%) Datadog
13 26 (1.37%) SaaS
13 26 (1.37%) Serverless
14 24 (1.27%) OpenShift
15 22 (1.16%) AWS Lambda
16 21 (1.11%) Apigee
17 20 (1.06%) IBM Cloud
18 16 (0.85%) Amazon EMR
19 15 (0.79%) CloudFront
Communications & Networking
1 131 (6.92%) Firewall
2 124 (6.55%) HTTP
3 117 (6.18%) TCP/IP
4 68 (3.59%) DNS
5 67 (3.54%) SSL
6 46 (2.43%) Internet
7 40 (2.11%) VPN
8 37 (1.95%) SAN
9 33 (1.74%) LAN
10 32 (1.69%) Kerberos
11 29 (1.53%) WAN
12 28 (1.48%) BIG-IP
13 26 (1.37%) OSPF
14 23 (1.22%) BGP
14 23 (1.22%) Intranet
15 20 (1.06%) Cisco Nexus
16 19 (1.00%) Network Security
17 18 (0.95%) Wireless
18 17 (0.90%) Cisco ASA
18 17 (0.90%) VoIP
Database & Business Intelligence
1 310 (16.38%) Relational Database
2 239 (12.63%) SQL Server
3 136 (7.18%) RDBMS
4 135 (7.13%) Big Data
5 134 (7.08%) PostgreSQL
6 113 (5.97%) Hadoop
7 107 (5.65%) NoSQL
8 96 (5.07%) MySQL
9 88 (4.65%) Apache Hive
10 80 (4.23%) Oracle Database
11 65 (3.43%) MongoDB
12 55 (2.91%) Data Warehouse
13 51 (2.69%) Sqoop
14 50 (2.64%) Impala
15 46 (2.43%) DB2
16 38 (2.01%) KDB
17 37 (1.95%) Apache Cassandra
17 37 (1.95%) HBase
18 34 (1.80%) Amazon RDS
19 23 (1.22%) Oracle Database 11g
Development Applications
1 413 (21.82%) Git (software)
2 352 (18.59%) Jenkins
3 271 (14.32%) JIRA
4 209 (11.04%) Maven
5 141 (7.45%) JUnit
6 121 (6.39%) Cucumber
7 115 (6.08%) Mockito
8 97 (5.12%) Subversion
9 95 (5.02%) Selenium
10 79 (4.17%) Bitbucket
11 77 (4.07%) SonarQube
12 69 (3.65%) Vagrant
13 67 (3.54%) Checkstyle
14 65 (3.43%) Liquibase
15 61 (3.22%) Artifactory
15 61 (3.22%) TeamCity
16 59 (3.12%) Sonatype Nexus
17 45 (2.38%) Gradle
18 31 (1.64%) Atlassian Bamboo
19 28 (1.48%) Hudson
General
1 458 (24.19%) Finance
2 383 (20.23%) Banking
3 196 (10.35%) Investment Banking
4 181 (9.56%) Front Office
5 88 (4.65%) Retail
6 47 (2.48%) Back Office
7 37 (1.95%) Financial Institution
8 25 (1.32%) Telecoms
9 23 (1.22%) Advertising
9 23 (1.22%) Games
9 23 (1.22%) Retail Banking
10 22 (1.16%) Publishing
11 13 (0.69%) Law
12 12 (0.63%) Manufacturing
13 11 (0.58%) Marketing
14 9 (0.48%) Legal
15 4 (0.21%) French Language
16 3 (0.16%) Billing
16 3 (0.16%) Local Government
17 2 (0.11%) Wholesale Banking
Job Titles
1 641 (33.86%) Developer
2 315 (16.64%) Java Developer
3 177 (9.35%) Analyst
4 151 (7.98%) DevOps Engineer
5 136 (7.18%) Architect
6 111 (5.86%) Administrator
7 88 (4.65%) Support Analyst
8 79 (4.17%) Systems Administrator
9 78 (4.12%) Consultant
10 71 (3.75%) Senior Developer
11 65 (3.43%) Platform Engineer
12 64 (3.38%) Unix Engineer
13 56 (2.96%) Linux Engineer
14 47 (2.48%) Oracle Developer
14 47 (2.48%) SC Cleared Java Developer
15 46 (2.43%) Full Stack Developer
16 43 (2.27%) C++ Developer
17 42 (2.22%) Python Developer
17 42 (2.22%) Senior Java Developer
18 41 (2.17%) Unix Administrator
Libraries, Frameworks & Software Standards
1 221 (11.67%) REST
2 201 (10.62%) Spring
3 176 (9.30%) HTML
4 152 (8.03%) Web Services
5 140 (7.40%) RESTful
6 132 (6.97%) Hibernate
7 130 (6.87%) Middleware
8 115 (6.08%) JMS
9 109 (5.76%) CSS
10 106 (5.60%) XML
11 103 (5.44%) J2EE
12 99 (5.23%) Java EE
13 85 (4.49%) JAX-RS
13 85 (4.49%) React
14 79 (4.17%) AngularJS
15 77 (4.07%) Node.js
16 67 (3.54%) Kafka
17 66 (3.49%) Lambda Expressions
18 65 (3.43%) Drools
18 65 (3.43%) WireMock
Miscellaneous
1 184 (9.72%) Linux Command Line
2 137 (7.24%) Analytical Skills
3 105 (5.55%) Data Centre
4 90 (4.75%) Fixed Income
5 72 (3.80%) Foreign Exchange (FX)
6 55 (2.91%) Derivative
7 49 (2.59%) Wiki
8 45 (2.38%) Public Cloud
9 42 (2.22%) Equities
10 38 (2.01%) Greenfield Project
11 32 (1.69%) User Experience
12 30 (1.58%) Management Information System
13 29 (1.53%) Mainframe
14 27 (1.43%) Fintech
15 25 (1.32%) Data Structures
16 22 (1.16%) Virtual Team
17 20 (1.06%) Self-Motivation
17 20 (1.06%) Video\Live Streaming
18 19 (1.00%) Algorithms
19 17 (0.90%) Clustering
Operating Systems
1 1,007 (53.20%) Linux
2 480 (25.36%) Windows
3 130 (6.87%) Red Hat Enterprise Linux
4 127 (6.71%) Solaris
5 100 (5.28%) Windows Server
6 65 (3.43%) VMS
7 44 (2.32%) Mac OS X
8 41 (2.17%) Apple iOS
9 29 (1.53%) AIX
9 29 (1.53%) Ubuntu
10 27 (1.43%) CentOS
11 25 (1.32%) SUSE Linux Enterprise Server
12 22 (1.16%) Windows Server 2012
13 20 (1.06%) Mac OS
14 16 (0.85%) SUSE
15 15 (0.79%) Android
16 13 (0.69%) Windows 7
16 13 (0.69%) Windows Server 2008
17 11 (0.58%) Windows 10
18 10 (0.53%) zOS
Processes & Methodologies
1 659 (34.81%) Agile Software Development
2 365 (19.28%) Test Automation
3 342 (18.07%) DevOps
4 292 (15.43%) Continuous Integration
5 225 (11.89%) OO
6 223 (11.78%) Scrum
7 196 (10.35%) TDD
8 164 (8.66%) Microservices
9 153 (8.08%) Migration
10 151 (7.98%) BDD
11 135 (7.13%) ITIL
12 128 (6.76%) Problem-Solving
13 117 (6.18%) Performance Tuning
14 110 (5.81%) ETL
15 104 (5.49%) Configuration Management
16 98 (5.18%) Build Automation
17 97 (5.12%) SDLC
18 95 (5.02%) Continuous Delivery
18 95 (5.02%) E-Commerce
19 87 (4.60%) Open Source
Programming Languages
1 735 (38.83%) Java
2 597 (31.54%) SQL
3 580 (30.64%) Python
4 256 (13.52%) Shell Script
5 230 (12.15%) Perl
6 209 (11.04%) JavaScript
7 181 (9.56%) Bash Shell
8 163 (8.61%) Java 8
9 104 (5.49%) Ruby
10 101 (5.34%) C++
11 97 (5.12%) PL/SQL
12 92 (4.86%) PowerShell
13 90 (4.75%) Korn
14 71 (3.75%) Scala
15 69 (3.65%) C#
16 66 (3.49%) JPQL
17 51 (2.69%) C
18 43 (2.27%) PHP
19 41 (2.17%) Groovy
20 23 (1.22%) Go
Qualifications
1 132 (6.97%) Security Cleared
2 103 (5.44%) SC Cleared
3 65 (3.43%) Degree
4 32 (1.69%) Cisco Certification
5 30 (1.58%) Computer Science Degree
6 18 (0.95%) CCNA
7 17 (0.90%) AWS Certification
8 12 (0.63%) DV Cleared
8 12 (0.63%) ITIL Foundation Certificate
9 11 (0.58%) CISSP
10 10 (0.53%) Microsoft Certification
11 9 (0.48%) CCIE
12 8 (0.42%) BPSS Clearance
12 8 (0.42%) MCSE
12 8 (0.42%) RHCE
13 7 (0.37%) CCNP
13 7 (0.37%) CISM
14 6 (0.32%) JNCIA
14 6 (0.32%) Master's Degree
15 5 (0.26%) DBS Check
Quality Assurance & Compliance
1 76 (4.01%) QA
2 17 (0.90%) Data Quality
3 13 (0.69%) SLA
4 8 (0.42%) MiFID
5 5 (0.26%) GDPR
6 3 (0.16%) ISO/IEC 27001
6 3 (0.16%) PMO
7 2 (0.11%) COBIT
7 2 (0.11%) Disclosure Scotland
7 2 (0.11%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
7 2 (0.11%) PCI DSS
7 2 (0.11%) SEPA
8 1 (0.053%) COREP
8 1 (0.053%) Cyber Essentials
8 1 (0.053%) FINREP
8 1 (0.053%) HIPAA
8 1 (0.053%) ISO 20022
8 1 (0.053%) OASIS TOSCA
8 1 (0.053%) Sarbanes-Oxley
System Software
1 259 (13.68%) Docker
2 78 (4.12%) VMware Infrastructure
3 73 (3.86%) Active Directory
4 55 (2.91%) HDFS
5 25 (1.32%) Apache ZooKeeper
6 23 (1.22%) NFS
6 23 (1.22%) vSphere
7 18 (0.95%) VMware ESXi
8 16 (0.85%) Hyper-V
9 15 (0.79%) Oracle RAC
10 14 (0.74%) Firmware
10 14 (0.74%) Virtual Servers
11 12 (0.63%) KVM
11 12 (0.63%) LXC
12 11 (0.58%) Virtual Machines
13 10 (0.53%) Veritas Cluster Server
14 9 (0.48%) Time Sharing Option
15 8 (0.42%) VirtualBox
16 7 (0.37%) Apache Flume
16 7 (0.37%) Xen
Systems Management
1 292 (15.43%) Ansible
2 211 (11.15%) Puppet
3 189 (9.98%) Opscode Chef
4 164 (8.66%) Kubernetes
5 111 (5.86%) Terraform
6 65 (3.43%) Hadoop YARN
7 46 (2.43%) ITRS Geneos
8 38 (2.01%) BladeLogic
8 38 (2.01%) logstash
9 36 (1.90%) Rancher
10 31 (1.64%) Kibana
11 28 (1.48%) Nagios
12 25 (1.32%) Prometheus
13 23 (1.22%) Grafana
14 18 (0.95%) Tivoli
15 17 (0.90%) Control-M
15 17 (0.90%) OpenView
16 16 (0.85%) NetBackup
16 16 (0.85%) Oracle ZFS
17 15 (0.79%) CFEngine
Vendors
1 402 (21.24%) Oracle
2 127 (6.71%) Red Hat
2 127 (6.71%) Splunk
3 125 (6.60%) VMware
4 104 (5.49%) IBM
5 91 (4.81%) Microsoft
6 86 (4.54%) Sybase
7 73 (3.86%) Google
8 68 (3.59%) Cloudera
9 51 (2.69%) Cisco
10 46 (2.43%) F5
11 40 (2.11%) HP
12 39 (2.06%) Atlassian
12 39 (2.06%) SAP
13 32 (1.69%) CyberArk
14 31 (1.64%) AppDynamics
14 31 (1.64%) Hortonworks
14 31 (1.64%) Murex
15 29 (1.53%) Citrix
15 29 (1.53%) NetApp