Period
to 20 May 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 20 May 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
20 May 2019
Same period 2018 Same period 2017
Rank 84 57 34
Rank change year-on-year -27 -23 -6
Contract jobs citing Unix 244 384 385
As % of all contract IT jobs advertised in Central London 2.88% 4.20% 5.29%
As % of the Operating Systems category 14.90% 20.92% 23.81%
Number of daily rates quoted 186 325 311
Central London median daily rate £550 £525 £538
Median daily rate % change year-on-year +4.76% -2.33% +13.16%
10th Percentile £394 £405 £363
90th Percentile £663 £625 £675
London median daily rate £529 £525 £500
% change year-on-year +0.71% +5.00% +5.26%
Number of hourly rates quoted 0 1 0
Central London median hourly rate - £22.50 -
London median hourly rate £53.75 £36.50 £47.00
% change year-on-year +47.26% -22.34% +150.67%

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 1,638 1,836 1,617
As % of all contract IT jobs advertised in Central London 19.36% 20.08% 22.23%
Number of daily rates quoted 1,204 1,408 1,248
Central London median daily rate £480 £500 £450
Median daily rate % change year-on-year -4.00% +11.11% -
10th Percentile £171 £181 £250
90th Percentile £650 £638 £638
London median daily rate £488 £485 £451
% change year-on-year +0.52% +7.66% +0.11%
Number of hourly rates quoted 39 69 31
Central London median hourly rate £21.00 £20.00 £18.69
Median hourly rate % change year-on-year +5.00% +7.01% -6.55%
10th Percentile £17.39 £12.49 £12.50
90th Percentile £38.25 £30.00 £142.50
London median hourly rate £21.00 £20.00 £19.75
% change year-on-year +5.00% +1.27% +12.86%

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 May 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 20 May 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 -29 188 £550 +4.76% 34
City of Westminster +13 35 £550 -4.35%
Southwark - 7 £550 -
West End of London -8 5 £500 -
Unix
London

For the 6 months to 20 May 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.

1 171 (70.08%) Linux
2 132 (54.10%) Agile Software Development
3 104 (42.62%) Java
4 67 (27.46%) TDD
4 67 (27.46%) Amazon AWS
5 65 (26.64%) Git (software)
5 65 (26.64%) Finance
5 65 (26.64%) Docker
6 63 (25.82%) Python
7 62 (25.41%) DevOps
8 61 (25.00%) Jenkins
9 57 (23.36%) JIRA
10 53 (21.72%) Windows
11 51 (20.90%) SQL
12 50 (20.49%) Test Automation
13 48 (19.67%) BDD
14 47 (19.26%) Confluence
15 43 (17.62%) Kubernetes
16 42 (17.21%) Web Development
17 41 (16.80%) REST
17 41 (16.80%) Mac OS X
17 41 (16.80%) Relational Database
18 40 (16.39%) HTML
18 40 (16.39%) Banking
19 39 (15.98%) MongoDB
20 37 (15.16%) Microsoft Azure
21 35 (14.34%) Maven
21 35 (14.34%) Subversion
21 35 (14.34%) Oracle
22 33 (13.52%) HTTP

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 47 (19.26%) Confluence
2 25 (10.25%) Apache
3 24 (9.84%) Apache Spark
4 13 (5.33%) JBoss
5 11 (4.51%) Elasticsearch
6 6 (2.46%) Mule
6 6 (2.46%) Tomcat
7 4 (1.64%) Cloud Foundry
7 4 (1.64%) WebLogic
8 3 (1.23%) Adobe Experience Manager
8 3 (1.23%) IBM HTTP Server
8 3 (1.23%) nginx
9 2 (0.82%) OpenStack
9 2 (0.82%) WebSphere
10 1 (0.41%) Apache Airflow
10 1 (0.41%) Apache Solr
10 1 (0.41%) MQSeries
10 1 (0.41%) Oracle Workflow
10 1 (0.41%) SharePoint
10 1 (0.41%) WebSphere Application Server
Applications
1 4 (1.64%) Microsoft Excel
2 3 (1.23%) Microsoft PowerPoint
2 3 (1.23%) MS Visio
3 1 (0.41%) Microsoft Office
Business Applications
1 6 (2.46%) Salesforce.com CRM
2 2 (0.82%) RMDS
3 1 (0.41%) 3000 Xtra
3 1 (0.41%) Actimize
3 1 (0.41%) Global One
3 1 (0.41%) ION MarketView
3 1 (0.41%) Oracle EBS
3 1 (0.41%) Oracle Payables
3 1 (0.41%) Oracle Receivables
3 1 (0.41%) Remedy ITSM
Cloud Services
1 67 (27.46%) Amazon AWS
2 37 (15.16%) Microsoft Azure
3 16 (6.56%) Amazon S3
3 16 (6.56%) GitHub
3 16 (6.56%) Serverless
4 15 (6.15%) AWS Lambda
5 14 (5.74%) Amazon CloudWatch
5 14 (5.74%) Amazon EC2
5 14 (5.74%) Virtual Private Cloud
6 12 (4.92%) Route 53
7 10 (4.10%) CloudFront
8 9 (3.69%) PaaS
9 8 (3.28%) AWS CloudFormation
9 8 (3.28%) SaaS
10 7 (2.87%) Google Cloud Platform
11 6 (2.46%) Datadog
11 6 (2.46%) Google Analytics
12 5 (2.05%) IaaS
13 4 (1.64%) IBM Cloud
14 3 (1.23%) Office 365
Communications & Networking
1 33 (13.52%) HTTP
2 16 (6.56%) TCP/IP
3 13 (5.33%) Firewall
3 13 (5.33%) LAN
4 10 (4.10%) WAN
5 9 (3.69%) SAN
6 7 (2.87%) VPN
7 6 (2.46%) BGP
7 6 (2.46%) IPsec
7 6 (2.46%) OSPF
7 6 (2.46%) SSL
8 5 (2.05%) DNS
8 5 (2.05%) Internet
9 4 (1.64%) AMQP
9 4 (1.64%) DHCP
9 4 (1.64%) HTTPS
9 4 (1.64%) MPLS
9 4 (1.64%) NAS
10 3 (1.23%) DSL
10 3 (1.23%) OpenLDAP
Database & Business Intelligence
1 41 (16.80%) Relational Database
2 39 (15.98%) MongoDB
3 32 (13.11%) SQL Server
4 26 (10.66%) Hadoop
5 18 (7.38%) Neo4j
6 14 (5.74%) Amazon RDS
7 13 (5.33%) MySQL
8 11 (4.51%) Big Data
9 10 (4.10%) NoSQL
10 9 (3.69%) Oracle Database
11 8 (3.28%) Impala
11 8 (3.28%) KDB
11 8 (3.28%) PostgreSQL
12 7 (2.87%) Apache Hive
13 6 (2.46%) HBase
13 6 (2.46%) Kdb+
14 5 (2.05%) Apache Kudu
15 4 (1.64%) Amazon DynamoDB
15 4 (1.64%) Oracle Database 11g
15 4 (1.64%) Oracle Database 12c
Development Applications
1 65 (26.64%) Git (software)
2 61 (25.00%) Jenkins
3 57 (23.36%) JIRA
4 35 (14.34%) Maven
4 35 (14.34%) Subversion
5 32 (13.11%) Cucumber
6 31 (12.70%) Mockito
7 17 (6.97%) JUnit
8 15 (6.15%) gulp
9 14 (5.74%) Grunt
10 11 (4.51%) jMock
11 10 (4.10%) Travis CI
12 9 (3.69%) Atlassian Bamboo
12 9 (3.69%) CircleCI
12 9 (3.69%) FishEye
12 9 (3.69%) git-flow
12 9 (3.69%) Selenium
12 9 (3.69%) webpack
13 8 (3.28%) PostCSS
13 8 (3.28%) TeamCity
General
1 65 (26.64%) Finance
2 40 (16.39%) Banking
3 26 (10.66%) Front Office
4 13 (5.33%) Investment Banking
5 6 (2.46%) Retail
6 5 (2.05%) Financial Institution
6 5 (2.05%) Retail Banking
7 4 (1.64%) Games
7 4 (1.64%) Telecoms
8 2 (0.82%) Legal
9 1 (0.41%) Advertising
9 1 (0.41%) Back Office
9 1 (0.41%) Manufacturing
9 1 (0.41%) Private Banking
Job Titles
1 83 (34.02%) Developer
2 56 (22.95%) Java Developer
3 38 (15.57%) DevOps Engineer
4 19 (7.79%) Analyst
4 19 (7.79%) AWS Engineer
5 17 (6.97%) AWS DevOps
5 17 (6.97%) AWS DevOps Engineer
6 16 (6.56%) Senior Developer
7 14 (5.74%) Architect
7 14 (5.74%) Unix Engineer
8 12 (4.92%) Administrator
9 11 (4.51%) Senior Java Developer
10 10 (4.10%) Technical Architect
11 9 (3.69%) Linux Engineer
12 8 (3.28%) Support Analyst
12 8 (3.28%) Systems Administrator
13 7 (2.87%) Hadoop Engineer
13 7 (2.87%) JavaScript Developer
13 7 (2.87%) Network Engineer
13 7 (2.87%) Platform Engineer
Libraries, Frameworks & Software Standards
1 41 (16.80%) REST
2 40 (16.39%) HTML
3 30 (12.30%) Web Services
4 27 (11.07%) JAX-RS
4 27 (11.07%) Spring
5 23 (9.43%) Node.js
6 20 (8.20%) CSS
7 19 (7.79%) XML
8 18 (7.38%) Dropwizard
9 14 (5.74%) Sass
10 12 (4.92%) ActiveMQ
11 11 (4.51%) AngularJS
11 11 (4.51%) Kafka
11 11 (4.51%) Middleware
12 10 (4.10%) OAuth
12 10 (4.10%) OAuth2
13 9 (3.69%) HTML5
13 9 (3.69%) JSON
13 9 (3.69%) RESTful
13 9 (3.69%) SOAP
Miscellaneous
1 16 (6.56%) Equities
2 15 (6.15%) User Experience
3 14 (5.74%) Fintech
3 14 (5.74%) Linux Command Line
4 11 (4.51%) Fixed Income
5 10 (4.10%) Data Centre
6 9 (3.69%) Analytical Skills
7 6 (2.46%) Cloud Native
8 5 (2.05%) iPad
9 4 (1.64%) Analytical Mindset
9 4 (1.64%) Derivative
10 3 (1.23%) Client/Server
10 3 (1.23%) Greenfield Project
10 3 (1.23%) Replication
10 3 (1.23%) Tandem
11 2 (0.82%) Foreign Exchange (FX)
11 2 (0.82%) HACMP
11 2 (0.82%) Management Information System
11 2 (0.82%) Thin Client
11 2 (0.82%) Video\Live Streaming
Operating Systems
1 171 (70.08%) Linux
2 53 (21.72%) Windows
3 41 (16.80%) Mac OS X
4 14 (5.74%) Windows Server
5 13 (5.33%) Red Hat Enterprise Linux
5 13 (5.33%) Solaris
6 4 (1.64%) Apple iOS
7 3 (1.23%) AIX
7 3 (1.23%) Windows 10
8 2 (0.82%) Android
8 2 (0.82%) HPUX
8 2 (0.82%) Mesosphere
8 2 (0.82%) Ubuntu
9 1 (0.41%) Data ONTAP
9 1 (0.41%) Debian
9 1 (0.41%) Mac OS
9 1 (0.41%) SUSE
9 1 (0.41%) VMS
9 1 (0.41%) Windows Server 2003
9 1 (0.41%) Windows Server 2008
Processes & Methodologies
1 132 (54.10%) Agile Software Development
2 67 (27.46%) TDD
3 62 (25.41%) DevOps
4 50 (20.49%) Test Automation
5 48 (19.67%) BDD
6 42 (17.21%) Web Development
7 33 (13.52%) Continuous Deployment
8 32 (13.11%) Responsive Web Design
8 32 (13.11%) Web Design
9 30 (12.30%) Problem-Solving
10 29 (11.89%) Continuous Integration
10 29 (11.89%) Scrum
11 27 (11.07%) Microservices
12 19 (7.79%) Pair Programming
13 17 (6.97%) ITIL
14 16 (6.56%) Configuration Management
14 16 (6.56%) SDLC
15 13 (5.33%) Continuous Delivery
15 13 (5.33%) Kanban
15 13 (5.33%) OO
Programming Languages
1 104 (42.62%) Java
2 63 (25.82%) Python
3 51 (20.90%) SQL
4 32 (13.11%) Perl
5 27 (11.07%) Shell Script
6 26 (10.66%) JavaScript
7 23 (9.43%) Java 8
8 20 (8.20%) Bash Shell
9 17 (6.97%) Scala
10 14 (5.74%) Ruby
11 11 (4.51%) Groovy
11 11 (4.51%) PowerShell
11 11 (4.51%) R
12 10 (4.10%) PL/SQL
13 8 (3.28%) C#
14 7 (2.87%) Korn
15 4 (1.64%) C++
15 4 (1.64%) PHP
16 3 (1.23%) COBOL
16 3 (1.23%) T-SQL
Qualifications
1 13 (5.33%) Degree
2 12 (4.92%) AWS Certification
3 8 (3.28%) Security Cleared
4 5 (2.05%) CCIE
4 5 (2.05%) Cisco Certification
4 5 (2.05%) ITIL Certification
4 5 (2.05%) SC Cleared
5 4 (1.64%) Computer Science Degree
6 3 (1.23%) CCNP
6 3 (1.23%) PMI Certification
6 3 (1.23%) PMP
7 2 (0.82%) CCIE Routing and Switching
7 2 (0.82%) DV Cleared
7 2 (0.82%) JNCIE
7 2 (0.82%) JNCIP
7 2 (0.82%) RHCE
8 1 (0.41%) CCIE Collaboration
8 1 (0.41%) CCIE Data Center
8 1 (0.41%) RHCSA
8 1 (0.41%) SAFe Agilist
Quality Assurance & Compliance
1 9 (3.69%) QA
2 5 (2.05%) WCAG
3 1 (0.41%) Data Quality
3 1 (0.41%) MiFID
3 1 (0.41%) SLA
System Software
1 65 (26.64%) Docker
2 11 (4.51%) HDFS
3 8 (3.28%) Active Directory
4 5 (2.05%) Oracle RAC
5 4 (1.64%) VMware Infrastructure
6 3 (1.23%) KVM
6 3 (1.23%) Shibboleth
7 2 (0.82%) VMware ESXi
7 2 (0.82%) VMware Workstation
8 1 (0.41%) Apache Flume
8 1 (0.41%) Hyper-V
8 1 (0.41%) NFS
8 1 (0.41%) RHEV
8 1 (0.41%) Varnish
8 1 (0.41%) Veritas Cluster Server
8 1 (0.41%) Virtual Machines
8 1 (0.41%) XenApp
8 1 (0.41%) zsh
Systems Management
1 43 (17.62%) Kubernetes
2 33 (13.52%) Ansible
3 24 (9.84%) Terraform
4 18 (7.38%) Puppet
5 15 (6.15%) Opscode Chef
6 8 (3.28%) Mesos
7 7 (2.87%) SCCM
8 6 (2.46%) Kibana
9 5 (2.05%) logstash
9 5 (2.05%) Marathon
10 4 (1.64%) Docker Swarm
10 4 (1.64%) Hadoop YARN
10 4 (1.64%) Red Hat Satellite
11 2 (0.82%) CSIRT
11 2 (0.82%) Nagios
11 2 (0.82%) NetBackup
11 2 (0.82%) QRadar
11 2 (0.82%) Rancher
11 2 (0.82%) Single Sign-On
11 2 (0.82%) ZABBIX
Vendors
1 35 (14.34%) Oracle
2 23 (9.43%) Atlassian
3 19 (7.79%) Sybase
4 17 (6.97%) Red Hat
5 16 (6.56%) Google
6 15 (6.15%) VMware
7 12 (4.92%) Microsoft
7 12 (4.92%) Splunk
8 8 (3.28%) F5
8 8 (3.28%) IBM
9 7 (2.87%) Cisco
10 6 (2.46%) Ping Identity
10 6 (2.46%) Salesforce.com
11 5 (2.05%) Bloomberg
11 5 (2.05%) Reuters
12 4 (1.64%) Adobe
12 4 (1.64%) Murex
12 4 (1.64%) Veritas
13 3 (1.23%) Juniper
13 3 (1.23%) Sun