Period
to 22 September 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 22 September 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
22 Sep 2018
Same period 2017 Same period 2016
Rank 59 39 43
Rank change year-on-year -20 +4 -14
Contract jobs citing Unix 1,964 2,353 2,301
As % of all contract IT jobs advertised in London 4.32% 5.31% 5.13%
As % of the Operating Systems category 21.40% 25.83% 24.19%
Number of daily rates quoted 1,379 1,542 1,625
London median daily rate £545 £525 £475
Median daily rate % change year-on-year +3.81% +10.53% +5.56%
10th Percentile £369 £356 £315
90th Percentile £675 £675 £625
England median daily rate £500 £475 £425
% change year-on-year +5.26% +11.76% -
Number of hourly rates quoted 10 17 8
London median hourly rate £28.75 £29.00 £27.50
Median hourly rate % change year-on-year -0.86% +5.45% +19.57%
10th Percentile £19.75 £24.35 £13.42
90th Percentile £72.75 £42.80 £45.25
England median hourly rate £29.50 £29.00 £30.33
% change year-on-year +1.72% -4.38% -18.03%

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 9,177 9,111 9,511
As % of all contract IT jobs advertised in London 20.18% 20.56% 21.21%
Number of daily rates quoted 6,474 6,401 6,672
London median daily rate £488 £475 £450
Median daily rate % change year-on-year +2.63% +5.56% +5.88%
10th Percentile £200 £213 £245
90th Percentile £650 £625 £600
England median daily rate £438 £425 £410
% change year-on-year +2.94% +3.66% +5.81%
Number of hourly rates quoted 299 260 199
London median hourly rate £18.70 £20.00 £17.50
Median hourly rate % change year-on-year -6.50% +14.29% -2.78%
10th Percentile £13.00 £12.73 £11.25
90th Percentile £47.83 £48.78 £42.75
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 22 September 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 22 September 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 22 September 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 -18 330 £525 - 92
South London +15 150 £525 - 12
West London -20 106 £525 +16.67% 52
East London -8 51 £500 -16.67% 7
North London +2 4 £450 - 1
Unix
England

For the 6 months to 22 September 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 1,121 (57.08%) Linux
2 792 (40.33%) Java
3 665 (33.86%) Agile Software Development
4 613 (31.21%) SQL
4 613 (31.21%) Python
5 541 (27.55%) Finance
6 446 (22.71%) Git (software)
7 426 (21.69%) Amazon AWS
8 416 (21.18%) Windows
9 390 (19.86%) Oracle
10 386 (19.65%) Banking
10 386 (19.65%) DevOps
11 373 (18.99%) Jenkins
12 350 (17.82%) Test Automation
13 317 (16.14%) Ansible
14 316 (16.09%) Relational Database
15 296 (15.07%) Docker
16 279 (14.21%) Shell Script
17 259 (13.19%) Puppet
18 256 (13.03%) Continuous Integration
19 252 (12.83%) Perl
20 251 (12.78%) JIRA
21 250 (12.73%) SQL Server
22 240 (12.22%) Bash Shell
23 229 (11.66%) TDD
24 227 (11.56%) Scrum
25 226 (11.51%) Opscode Chef
26 219 (11.15%) OO
26 219 (11.15%) Spring
27 207 (10.54%) Maven

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
1 168 (8.55%) Apache
2 163 (8.30%) Confluence
3 81 (4.12%) Apache Spark
4 75 (3.82%) Elasticsearch
5 68 (3.46%) WebSphere
6 60 (3.05%) JBoss
7 52 (2.65%) WildFly
8 45 (2.29%) Tomcat
9 39 (1.99%) WebLogic
10 38 (1.93%) nginx
11 37 (1.88%) IIS
12 35 (1.78%) Mule
13 28 (1.43%) SAS
14 22 (1.12%) Commerce Server
15 21 (1.07%) Apache Solr
16 19 (0.97%) Cloud Foundry
17 17 (0.87%) OpenStack
18 14 (0.71%) Gunicorn
19 11 (0.56%) Jetty
19 11 (0.56%) MS Exchange
Applications
1 64 (3.26%) Microsoft Excel
2 61 (3.11%) MS Visio
3 18 (0.92%) Microsoft Office
4 16 (0.81%) Microsoft PowerPoint
5 7 (0.36%) Microsoft Project
6 3 (0.15%) HipChat
7 1 (0.051%) Autodesk Inventor
7 1 (0.051%) Mozilla Thunderbird
7 1 (0.051%) Shockwave
7 1 (0.051%) Spreadsheet
Business Applications
1 26 (1.32%) Salesforce.com CRM
2 21 (1.07%) ION MarketView
3 19 (0.97%) Actimize
4 8 (0.41%) HiPortfolio
5 7 (0.36%) Oracle EBS
5 7 (0.36%) Oracle Retail
6 6 (0.31%) Temenos T24
7 5 (0.25%) Global One
8 4 (0.20%) BusinessWorks
8 4 (0.20%) Fredhopper
8 4 (0.20%) Remedy ITSM
8 4 (0.20%) RMDS
8 4 (0.20%) Sentinel
8 4 (0.20%) Temenos Globus
9 3 (0.15%) Magento
9 3 (0.15%) Oracle Applications
9 3 (0.15%) Oracle BPM
9 3 (0.15%) SAP Oil and Gas
10 2 (0.10%) Advent Portfolio Exchange
10 2 (0.10%) Kondor
Cloud Services
1 426 (21.69%) Amazon AWS
2 118 (6.01%) Amazon EC2
3 112 (5.70%) Amazon S3
4 109 (5.55%) Microsoft Azure
5 90 (4.58%) GitHub
5 90 (4.58%) Virtual Private Cloud
6 80 (4.07%) Serverless
7 75 (3.82%) AWS Lambda
8 62 (3.16%) Google Cloud Platform
9 43 (2.19%) Route 53
10 37 (1.88%) Amazon CloudWatch
11 36 (1.83%) PaaS
12 32 (1.63%) IaaS
13 31 (1.58%) CloudFront
14 26 (1.32%) Cloud Computing
15 21 (1.07%) Amazon EMR
16 19 (0.97%) AWS CloudFormation
17 17 (0.87%) IBM Cloud
18 13 (0.66%) OpenShift
19 12 (0.61%) SaaS
Communications & Networking
1 144 (7.33%) Firewall
2 131 (6.67%) TCP/IP
3 129 (6.57%) HTTP
4 84 (4.28%) DNS
5 63 (3.21%) SSL
6 59 (3.00%) Internet
7 55 (2.80%) SAN
8 38 (1.93%) LAN
9 37 (1.88%) Kerberos
10 35 (1.78%) WAN
11 33 (1.68%) VPN
12 30 (1.53%) Network Security
13 28 (1.43%) OSPF
14 27 (1.37%) BIG-IP
15 23 (1.17%) BGP
16 22 (1.12%) SSH
17 19 (0.97%) Intranet
18 18 (0.92%) NAS
18 18 (0.92%) SMS
19 17 (0.87%) DHCP
Database & Business Intelligence
1 316 (16.09%) Relational Database
2 250 (12.73%) SQL Server
3 163 (8.30%) Big Data
4 146 (7.43%) Hadoop
5 129 (6.57%) NoSQL
6 124 (6.31%) MySQL
7 115 (5.86%) RDBMS
8 114 (5.80%) PostgreSQL
9 102 (5.19%) Apache Hive
10 96 (4.89%) MongoDB
11 85 (4.33%) Oracle Database
12 55 (2.80%) Sqoop
13 53 (2.70%) Data Warehouse
14 50 (2.55%) Impala
15 48 (2.44%) Apache Cassandra
16 46 (2.34%) Amazon RDS
17 38 (1.93%) DB2
18 37 (1.88%) HBase
19 29 (1.48%) Oracle Database 11g
20 27 (1.37%) KDB
Development Applications
1 446 (22.71%) Git (software)
2 373 (18.99%) Jenkins
3 251 (12.78%) JIRA
4 207 (10.54%) Maven
5 148 (7.54%) JUnit
6 138 (7.03%) Mockito
7 124 (6.31%) Cucumber
8 97 (4.94%) Selenium
9 95 (4.84%) Subversion
10 74 (3.77%) Artifactory
10 74 (3.77%) Bitbucket
11 70 (3.56%) Vagrant
12 69 (3.51%) Gradle
13 63 (3.21%) SonarQube
14 60 (3.05%) TeamCity
15 56 (2.85%) Checkstyle
16 54 (2.75%) Sonatype Nexus
17 52 (2.65%) Liquibase
18 32 (1.63%) Atlassian Bamboo
19 27 (1.37%) JMeter
General
1 541 (27.55%) Finance
2 386 (19.65%) Banking
3 192 (9.78%) Investment Banking
4 189 (9.62%) Front Office
5 76 (3.87%) Retail
6 47 (2.39%) Back Office
7 42 (2.14%) Financial Institution
8 34 (1.73%) Telecoms
9 25 (1.27%) Advertising
10 24 (1.22%) Publishing
11 16 (0.81%) Marketing
12 15 (0.76%) Games
13 12 (0.61%) Manufacturing
14 11 (0.56%) Legal
15 9 (0.46%) Law
16 7 (0.36%) Retail Banking
17 5 (0.25%) Electronics
18 3 (0.15%) Corporate Banking
18 3 (0.15%) Local Government
18 3 (0.15%) Turkish Language
Job Titles
1 682 (34.73%) Developer
2 328 (16.70%) Java Developer
3 180 (9.16%) DevOps Engineer
4 179 (9.11%) Analyst
5 120 (6.11%) Administrator
6 106 (5.40%) Senior Developer
7 96 (4.89%) Support Analyst
8 95 (4.84%) Architect
9 92 (4.68%) Linux Engineer
10 84 (4.28%) Unix Engineer
11 79 (4.02%) Consultant
11 79 (4.02%) Systems Administrator
12 75 (3.82%) Senior Java Developer
13 73 (3.72%) AWS Engineer
14 63 (3.21%) Data Engineer
15 62 (3.16%) Linux/Unix DevOps
16 58 (2.95%) Platform Engineer
17 55 (2.80%) C++ Developer
18 54 (2.75%) AWS DevOps
19 51 (2.60%) Unix Administrator
Libraries, Frameworks & Software Standards
1 219 (11.15%) Spring
2 200 (10.18%) REST
3 165 (8.40%) Web Services
4 159 (8.10%) HTML
5 157 (7.99%) Middleware
6 145 (7.38%) RESTful
7 128 (6.52%) Hibernate
8 119 (6.06%) XML
9 118 (6.01%) J2EE
10 113 (5.75%) JMS
11 102 (5.19%) Java EE
12 100 (5.09%) Node.js
13 91 (4.63%) Kafka
14 89 (4.53%) CSS
15 75 (3.82%) JAX-RS
16 68 (3.46%) React
17 67 (3.41%) AngularJS
18 63 (3.21%) HTML5
19 61 (3.11%) Gherkin
20 56 (2.85%) .NET
Miscellaneous
1 192 (9.78%) Linux Command Line
2 185 (9.42%) Analytical Skills
3 121 (6.16%) Foreign Exchange (FX)
4 95 (4.84%) Fixed Income
5 89 (4.53%) Data Centre
6 71 (3.62%) Computer Science
7 63 (3.21%) Algorithms
8 61 (3.11%) Fintech
9 58 (2.95%) Data Structures
10 50 (2.55%) Wiki
11 48 (2.44%) Greenfield Project
12 46 (2.34%) Derivative
12 46 (2.34%) Equities
13 38 (1.93%) Public Cloud
14 36 (1.83%) Management Information System
15 30 (1.53%) Clustering
16 28 (1.43%) User Experience
17 26 (1.32%) Replication
18 22 (1.12%) Enterprise Software
19 21 (1.07%) Self-Motivation
Operating Systems
1 1,121 (57.08%) Linux
2 416 (21.18%) Windows
3 165 (8.40%) Solaris
4 152 (7.74%) Red Hat Enterprise Linux
5 77 (3.92%) Windows Server
6 52 (2.65%) VMS
7 47 (2.39%) Ubuntu
8 36 (1.83%) AIX
8 36 (1.83%) Mac OS X
8 36 (1.83%) SUSE Linux Enterprise Server
9 35 (1.78%) Apple iOS
10 25 (1.27%) CentOS
11 22 (1.12%) SUSE
12 16 (0.81%) Mac OS
13 12 (0.61%) Windows Server 2008
14 10 (0.51%) HPUX
14 10 (0.51%) Windows 7
14 10 (0.51%) Windows Server 2012
15 9 (0.46%) Android
16 6 (0.31%) Oracle Linux
Processes & Methodologies
1 665 (33.86%) Agile Software Development
2 386 (19.65%) DevOps
3 350 (17.82%) Test Automation
4 256 (13.03%) Continuous Integration
5 229 (11.66%) TDD
6 227 (11.56%) Scrum
7 219 (11.15%) OO
8 189 (9.62%) Configuration Management
9 161 (8.20%) Problem-Solving
10 154 (7.84%) Microservices
11 148 (7.54%) BDD
12 144 (7.33%) Migration
13 129 (6.57%) ETL
14 123 (6.26%) Open Source
15 122 (6.21%) ITIL
16 116 (5.91%) Performance Tuning
17 111 (5.65%) SDLC
18 98 (4.99%) E-Commerce
19 97 (4.94%) Software Engineering
20 92 (4.68%) Multithreading
Programming Languages
1 792 (40.33%) Java
2 613 (31.21%) Python
2 613 (31.21%) SQL
3 279 (14.21%) Shell Script
4 252 (12.83%) Perl
5 240 (12.22%) Bash Shell
6 177 (9.01%) Java 8
7 175 (8.91%) JavaScript
8 137 (6.98%) Ruby
9 115 (5.86%) C++
10 102 (5.19%) Scala
11 79 (4.02%) Korn
12 78 (3.97%) PowerShell
13 63 (3.21%) PL/SQL
14 60 (3.05%) C#
15 53 (2.70%) Groovy
15 53 (2.70%) JPQL
16 52 (2.65%) C
17 42 (2.14%) Go
17 42 (2.14%) PHP
Qualifications
1 150 (7.64%) Security Cleared
2 123 (6.26%) SC Cleared
3 84 (4.28%) Degree
4 46 (2.34%) Cisco Certification
5 32 (1.63%) CCNA
5 32 (1.63%) Computer Science Degree
6 28 (1.43%) CISSP
7 26 (1.32%) AWS Certification
8 24 (1.22%) CISM
9 13 (0.66%) CCNP
10 11 (0.56%) DV Cleared
11 9 (0.46%) CCIE
12 8 (0.41%) CEH
13 7 (0.36%) CCSA
13 7 (0.36%) JNCIA
13 7 (0.36%) Master's Degree
14 6 (0.31%) ITIL Certification
14 6 (0.31%) ITIL Foundation Certificate
14 6 (0.31%) RHCE
15 5 (0.25%) SANS
Quality Assurance & Compliance
1 68 (3.46%) QA
2 31 (1.58%) SLA
3 10 (0.51%) MiFID
4 7 (0.36%) PCI DSS
5 6 (0.31%) Data Quality
5 6 (0.31%) ISO/IEC 27001
6 5 (0.25%) EMIR
7 3 (0.15%) COBIT
7 3 (0.15%) Dodd-Frank
7 3 (0.15%) SEPA
7 3 (0.15%) TARGET2
8 2 (0.10%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
8 2 (0.10%) ISO/IEC 27005
8 2 (0.10%) NIST 800
8 2 (0.10%) PMO
9 1 (0.051%) Cyber Essentials
9 1 (0.051%) Disclosure Scotland
9 1 (0.051%) GDPR
9 1 (0.051%) ISO 20022
9 1 (0.051%) Sarbanes-Oxley
System Software
1 296 (15.07%) Docker
2 82 (4.18%) VMware Infrastructure
3 69 (3.51%) HDFS
4 63 (3.21%) Active Directory
5 30 (1.53%) NFS
6 25 (1.27%) VMware ESXi
7 22 (1.12%) vSphere
8 19 (0.97%) Oracle RAC
9 17 (0.87%) Firmware
10 16 (0.81%) etcd
10 16 (0.81%) flannel
10 16 (0.81%) Virtual Servers
11 15 (0.76%) KVM
12 12 (0.61%) Hyper-V
12 12 (0.61%) LXC
12 12 (0.61%) Veritas Cluster Server
13 9 (0.46%) Virtual Machines
14 7 (0.36%) Apache Flume
14 7 (0.36%) VirtualBox
15 6 (0.31%) GPFS
Systems Management
1 317 (16.14%) Ansible
2 259 (13.19%) Puppet
3 226 (11.51%) Opscode Chef
4 155 (7.89%) Kubernetes
5 123 (6.26%) Terraform
6 75 (3.82%) Hadoop YARN
7 39 (1.99%) BladeLogic
8 34 (1.73%) Grafana
8 34 (1.73%) logstash
9 33 (1.68%) Prometheus
10 31 (1.58%) ITRS Geneos
11 28 (1.43%) Nagios
12 27 (1.37%) Rancher
13 25 (1.27%) Kibana
14 22 (1.12%) CFEngine
15 16 (0.81%) rkt
15 16 (0.81%) Tivoli
16 15 (0.76%) NetBackup
17 14 (0.71%) OpenView
17 14 (0.71%) Oracle ZFS
Vendors
1 390 (19.86%) Oracle
2 163 (8.30%) Red Hat
3 131 (6.67%) VMware
4 121 (6.16%) IBM
5 107 (5.45%) Splunk
6 81 (4.12%) Google
7 75 (3.82%) Microsoft
8 74 (3.77%) Sybase
9 67 (3.41%) Cloudera
10 63 (3.21%) Atlassian
11 62 (3.16%) Cisco
12 52 (2.65%) CyberArk
13 48 (2.44%) HP
14 46 (2.34%) SAP
15 40 (2.04%) F5
16 33 (1.68%) AppDynamics
17 32 (1.63%) CA
17 32 (1.63%) Salesforce.com
17 32 (1.63%) SaltStack
18 29 (1.48%) TIBCO