Period
to 21 April 2019

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 21 April 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
England > London
6 months to
21 Apr 2019
Same period 2018 Same period 2017
Rank 82 50 35
Rank change year-on-year -32 -15 -1
Contract jobs citing Unix 1,280 2,125 2,119
As % of all contract IT jobs advertised in London 3.03% 4.60% 5.28%
As % of the Operating Systems category 16.39% 22.46% 25.70%
Number of daily rates quoted 862 1,501 1,396
London median daily rate £525 £525 £500
Median daily rate % change year-on-year - +5.00% +5.26%
10th Percentile £363 £375 £356
90th Percentile £688 £675 £675
England median daily rate £490 £500 £450
% change year-on-year -2.00% +11.11% +3.69%
Number of hourly rates quoted 3 17 19
London median hourly rate £57.50 £41.00 £47.00
Median hourly rate % change year-on-year +40.24% -12.77% +150.67%
10th Percentile £48.75 £20.25 £39.10
90th Percentile £61.25 £73.50 £47.84
England median hourly rate £35.00 £32.50 £40.00
% change year-on-year +7.69% -18.75% +15.94%

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 7,812 9,463 8,245
As % of all contract IT jobs advertised in London 18.49% 20.49% 20.55%
Number of daily rates quoted 5,428 6,707 5,791
London median daily rate £480 £480 £450
Median daily rate % change year-on-year - +6.67% -
10th Percentile £181 £213 £260
90th Percentile £650 £650 £625
England median daily rate £438 £440 £425
% change year-on-year -0.57% +3.53% +6.25%
Number of hourly rates quoted 220 312 183
London median hourly rate £21.00 £19.49 £21.50
Median hourly rate % change year-on-year +7.78% -9.37% +22.86%
10th Percentile £13.00 £12.49 £12.88
90th Percentile £48.88 £47.83 £51.25
England median hourly rate £17.47 £17.14 £16.64
% change year-on-year +1.93% +2.97% -2.12%

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 21 April 2019.

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
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 21 April 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
Central London -24 267 £550 +4.76% 28
West London -7 77 £500 - 7
South London -14 56 £525 -4.55% 7
North London +12 30 £400 -14.67% 1
East London -48 14 £563 -10.00% 3
Unix
England

For the 6 months to 21 April 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 London region with a requirement for Unix.

1 806 (62.97%) Linux
2 488 (38.13%) Java
3 421 (32.89%) Agile Software Development
4 412 (32.19%) SQL
5 401 (31.33%) Python
6 297 (23.20%) Windows
7 289 (22.58%) Finance
8 280 (21.88%) Amazon AWS
9 278 (21.72%) DevOps
10 257 (20.08%) Oracle
11 252 (19.69%) Banking
12 242 (18.91%) Jenkins
13 237 (18.52%) Docker
14 227 (17.73%) Git (software)
15 204 (15.94%) Test Automation
16 182 (14.22%) TDD
17 179 (13.98%) Perl
18 176 (13.75%) JIRA
19 173 (13.52%) Relational Database
20 164 (12.81%) Continuous Integration
21 158 (12.34%) Shell Script
22 156 (12.19%) Kubernetes
23 153 (11.95%) Ansible
24 146 (11.41%) JavaScript
25 139 (10.86%) REST
26 133 (10.39%) Problem-Solving
27 132 (10.31%) BDD
27 132 (10.31%) Microsoft Azure
28 128 (10.00%) HTML
29 126 (9.84%) Puppet

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
1 108 (8.44%) Confluence
2 99 (7.73%) Apache
3 57 (4.45%) Tomcat
4 49 (3.83%) Elasticsearch
4 49 (3.83%) JBoss
5 47 (3.67%) Apache Spark
6 37 (2.89%) WebLogic
7 29 (2.27%) WebSphere
8 27 (2.11%) nginx
9 21 (1.64%) IIS
9 21 (1.64%) Mule
10 20 (1.56%) WildFly
11 18 (1.41%) Drupal
11 18 (1.41%) MS Exchange
12 15 (1.17%) Adobe Experience Manager
12 15 (1.17%) Apache Qpid
12 15 (1.17%) Cloud Foundry
13 12 (0.94%) SAS
13 12 (0.94%) SharePoint
14 11 (0.86%) OpenStack
Applications
1 15 (1.17%) Microsoft Excel
1 15 (1.17%) Microsoft Office
2 10 (0.78%) MS Visio
3 9 (0.70%) Microsoft PowerPoint
4 2 (0.16%) Adobe Illustrator
4 2 (0.16%) GIMP
4 2 (0.16%) Photoshop
5 1 (0.078%) Spreadsheet
Business Applications
1 8 (0.63%) Salesforce.com CRM
2 7 (0.55%) Sentinel
3 5 (0.39%) Oracle EBS R12
4 4 (0.31%) ION MarketView
4 4 (0.31%) Oracle Retail
5 3 (0.23%) Actimize
5 3 (0.23%) Oracle Applications
5 3 (0.23%) Oracle EBS
5 3 (0.23%) RMDS
5 3 (0.23%) SAP Hybris
6 2 (0.16%) BusinessWorks
6 2 (0.16%) HFM
6 2 (0.16%) Hyperion Planning
6 2 (0.16%) LatentZero
6 2 (0.16%) Markit EDM
6 2 (0.16%) Oracle Financials
7 1 (0.078%) Oracle Cash Management
7 1 (0.078%) Oracle E-Business Tax
7 1 (0.078%) Oracle Payables
7 1 (0.078%) Oracle Receivables
Cloud Services
1 280 (21.88%) Amazon AWS
2 132 (10.31%) Microsoft Azure
3 50 (3.91%) Amazon S3
4 48 (3.75%) Amazon EC2
5 45 (3.52%) GitHub
6 44 (3.44%) Google Cloud Platform
7 40 (3.13%) Serverless
8 39 (3.05%) AWS Lambda
9 38 (2.97%) Virtual Private Cloud
10 35 (2.73%) Amazon CloudWatch
11 29 (2.27%) SaaS
12 26 (2.03%) IaaS
13 22 (1.72%) AWS CloudFormation
13 22 (1.72%) PaaS
14 21 (1.64%) Datadog
15 19 (1.48%) Office 365
16 16 (1.25%) Amazon SQS
16 16 (1.25%) Apigee
16 16 (1.25%) CloudFront
17 14 (1.09%) Route 53
Communications & Networking
1 99 (7.73%) HTTP
2 86 (6.72%) TCP/IP
3 71 (5.55%) Firewall
4 52 (4.06%) SSL
5 50 (3.91%) DNS
6 32 (2.50%) Internet
6 32 (2.50%) LAN
6 32 (2.50%) SAN
7 30 (2.34%) VPN
7 30 (2.34%) WAN
8 25 (1.95%) Kerberos
9 22 (1.72%) DHCP
10 19 (1.48%) IPsec
11 15 (1.17%) SMTP
12 14 (1.09%) OpenLDAP
13 13 (1.02%) BGP
14 12 (0.94%) OSPF
15 11 (0.86%) DMZ
15 11 (0.86%) SSH
16 10 (0.78%) NAS
Database & Business Intelligence
1 173 (13.52%) Relational Database
2 115 (8.98%) SQL Server
3 94 (7.34%) PostgreSQL
4 90 (7.03%) MongoDB
5 83 (6.48%) MySQL
6 74 (5.78%) Oracle Database
7 72 (5.63%) Hadoop
7 72 (5.63%) NoSQL
8 65 (5.08%) Big Data
9 59 (4.61%) RDBMS
10 54 (4.22%) Data Warehouse
11 46 (3.59%) Amazon RDS
12 34 (2.66%) Apache Hive
12 34 (2.66%) KDB
13 31 (2.42%) HBase
14 28 (2.19%) Neo4j
15 26 (2.03%) Oracle Database 12c
16 25 (1.95%) DB2
17 23 (1.80%) Kdb+
18 22 (1.72%) Apache Cassandra
Development Applications
1 242 (18.91%) Jenkins
2 227 (17.73%) Git (software)
3 176 (13.75%) JIRA
4 120 (9.38%) Maven
5 106 (8.28%) Cucumber
6 84 (6.56%) Mockito
7 68 (5.31%) Selenium
8 66 (5.16%) Subversion
9 62 (4.84%) JUnit
10 43 (3.36%) Bitbucket
11 37 (2.89%) TeamCity
12 35 (2.73%) Sonatype Nexus
13 28 (2.19%) Artifactory
14 23 (1.80%) Atlassian Bamboo
15 21 (1.64%) CircleCI
15 21 (1.64%) gulp
16 20 (1.56%) GitLab
17 18 (1.41%) Grunt
18 16 (1.25%) Ant
19 15 (1.17%) FishEye
General
1 289 (22.58%) Finance
2 252 (19.69%) Banking
3 117 (9.14%) Front Office
4 109 (8.52%) Investment Banking
5 26 (2.03%) Retail
6 20 (1.56%) Games
7 18 (1.41%) Financial Institution
7 18 (1.41%) Legal
8 16 (1.25%) Retail Banking
9 13 (1.02%) Telecoms
10 12 (0.94%) Law
11 11 (0.86%) Back Office
12 10 (0.78%) Manufacturing
13 8 (0.63%) Publishing
14 6 (0.47%) Advertising
15 4 (0.31%) Marketing
15 4 (0.31%) Wholesale Banking
16 3 (0.23%) Electronics
16 3 (0.23%) French Language
17 2 (0.16%) Private Banking
Job Titles
1 420 (32.81%) Developer
2 200 (15.63%) Java Developer
3 132 (10.31%) DevOps Engineer
4 112 (8.75%) Architect
5 111 (8.67%) Analyst
6 96 (7.50%) Administrator
7 67 (5.23%) Systems Administrator
8 62 (4.84%) Senior Developer
9 55 (4.30%) Linux Engineer
10 47 (3.67%) Applications Support
10 47 (3.67%) Unix Engineer
11 45 (3.52%) AWS Engineer
12 44 (3.44%) Support Analyst
13 40 (3.13%) Technical Architect
14 36 (2.81%) Consultant
14 36 (2.81%) Support Engineer
15 34 (2.66%) C++ Developer
15 34 (2.66%) Linux Administrator
16 33 (2.58%) AWS DevOps
16 33 (2.58%) Unix Administrator
Libraries, Frameworks & Software Standards
1 139 (10.86%) REST
2 128 (10.00%) HTML
3 117 (9.14%) Spring
4 115 (8.98%) Web Services
5 75 (5.86%) CSS
6 72 (5.63%) XML
7 63 (4.92%) JAX-RS
8 62 (4.84%) Middleware
9 54 (4.22%) AngularJS
10 53 (4.14%) J2EE
11 52 (4.06%) RESTful
12 51 (3.98%) Node.js
12 51 (3.98%) React
13 48 (3.75%) HTML5
13 48 (3.75%) SOAP
14 44 (3.44%) JMS
14 44 (3.44%) JSON
14 44 (3.44%) Kafka
15 42 (3.28%) .NET
16 39 (3.05%) LDAP
Miscellaneous
1 85 (6.64%) Analytical Skills
2 73 (5.70%) Data Centre
3 54 (4.22%) Linux Command Line
4 50 (3.91%) Foreign Exchange (FX)
5 47 (3.67%) Fixed Income
6 44 (3.44%) Equities
7 43 (3.36%) User Experience
8 36 (2.81%) Mainframe
9 34 (2.66%) Fintech
10 31 (2.42%) Derivative
11 28 (2.19%) Management Information System
12 22 (1.72%) Algorithms
12 22 (1.72%) Data Structures
13 20 (1.56%) Hedge funds
13 20 (1.56%) Public Cloud
13 20 (1.56%) SWIFT
14 17 (1.33%) Client/Server
14 17 (1.33%) PKI
15 16 (1.25%) Self-Motivation
15 16 (1.25%) Video\Live Streaming
Operating Systems
1 806 (62.97%) Linux
2 297 (23.20%) Windows
3 90 (7.03%) Mac OS X
4 81 (6.33%) Red Hat Enterprise Linux
5 70 (5.47%) Windows Server
6 59 (4.61%) Solaris
7 33 (2.58%) CentOS
8 23 (1.80%) Apple iOS
9 20 (1.56%) Ubuntu
10 18 (1.41%) Android
11 15 (1.17%) AIX
12 12 (0.94%) VMS
13 11 (0.86%) Windows Server 2012
14 10 (0.78%) Debian
15 9 (0.70%) Windows 10
16 8 (0.63%) Fedora
17 7 (0.55%) Oracle Linux
18 6 (0.47%) HPUX
18 6 (0.47%) Mac OS
18 6 (0.47%) SUSE Linux Enterprise Server
Processes & Methodologies
1 421 (32.89%) Agile Software Development
2 278 (21.72%) DevOps
3 204 (15.94%) Test Automation
4 182 (14.22%) TDD
5 164 (12.81%) Continuous Integration
6 133 (10.39%) Problem-Solving
7 132 (10.31%) BDD
8 112 (8.75%) ITIL
9 111 (8.67%) Scrum
10 109 (8.52%) Microservices
11 106 (8.28%) Migration
12 101 (7.89%) Web Development
13 84 (6.56%) Continuous Deployment
14 82 (6.41%) OO
15 74 (5.78%) Continuous Delivery
16 71 (5.55%) Computer Science
17 68 (5.31%) Configuration Management
18 65 (5.08%) Responsive Web Design
18 65 (5.08%) SDLC
18 65 (5.08%) Web Design
Programming Languages
1 488 (38.13%) Java
2 412 (32.19%) SQL
3 401 (31.33%) Python
4 179 (13.98%) Perl
5 158 (12.34%) Shell Script
6 146 (11.41%) JavaScript
7 112 (8.75%) Bash Shell
8 78 (6.09%) C++
9 77 (6.02%) Java 8
10 69 (5.39%) Ruby
11 67 (5.23%) PL/SQL
12 53 (4.14%) PowerShell
13 47 (3.67%) C#
14 45 (3.52%) Scala
15 44 (3.44%) PHP
16 37 (2.89%) C
17 31 (2.42%) Groovy
18 21 (1.64%) Go
19 20 (1.56%) R
20 18 (1.41%) Korn
Qualifications
1 91 (7.11%) Security Cleared
2 85 (6.64%) Degree
3 71 (5.55%) SC Cleared
4 38 (2.97%) Computer Science Degree
5 25 (1.95%) AWS Certification
6 18 (1.41%) ITIL Certification
7 12 (0.94%) Cisco Certification
8 11 (0.86%) BPSS Clearance
8 11 (0.86%) DV Cleared
9 10 (0.78%) Master's Degree
10 9 (0.70%) CCIE
11 8 (0.63%) CISSP
12 6 (0.47%) CCIE Routing and Switching
12 6 (0.47%) ITIL Foundation Certificate
12 6 (0.47%) RHCE
13 5 (0.39%) CCNP
13 5 (0.39%) PhD
14 4 (0.31%) CISM
14 4 (0.31%) Microsoft Certification
15 3 (0.23%) PMP
Quality Assurance & Compliance
1 47 (3.67%) QA
2 11 (0.86%) Data Quality
3 7 (0.55%) MiFID
3 7 (0.55%) WCAG
4 5 (0.39%) SLA
5 3 (0.23%) Disclosure Scotland
5 3 (0.23%) GDPR
5 3 (0.23%) Sarbanes-Oxley
6 2 (0.16%) ISO/IEC 27001
6 2 (0.16%) PSD2
6 2 (0.16%) SEPA
7 1 (0.078%) COBIT
7 1 (0.078%) EMIR
7 1 (0.078%) HIPAA
7 1 (0.078%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
7 1 (0.078%) NIST 800
7 1 (0.078%) PCI DSS
System Software
1 237 (18.52%) Docker
2 55 (4.30%) VMware Infrastructure
3 49 (3.83%) Active Directory
4 35 (2.73%) HDFS
5 24 (1.88%) Apache ZooKeeper
6 16 (1.25%) Shibboleth
7 13 (1.02%) KVM
8 12 (0.94%) vCloud
8 12 (0.94%) VMware ESXi
9 10 (0.78%) Apache Flume
9 10 (0.78%) Oracle RAC
9 10 (0.78%) VMware NSX
10 9 (0.70%) Hyper-V
10 9 (0.70%) NFS
10 9 (0.70%) Squid
11 8 (0.63%) Snort
12 7 (0.55%) vSphere
13 6 (0.47%) Firmware
13 6 (0.47%) VMware Workstation
14 4 (0.31%) Veritas Cluster Server
Systems Management
1 156 (12.19%) Kubernetes
2 153 (11.95%) Ansible
3 126 (9.84%) Puppet
4 105 (8.20%) Terraform
5 72 (5.63%) Opscode Chef
6 30 (2.34%) Kibana
7 27 (2.11%) logstash
8 23 (1.80%) SCCM
9 22 (1.72%) Hadoop YARN
10 20 (1.56%) Single Sign-On
11 19 (1.48%) Control-M
12 18 (1.41%) Nagios
12 18 (1.41%) NetBackup
13 17 (1.33%) ITRS Geneos
14 16 (1.25%) Packer
15 14 (1.09%) Grafana
15 14 (1.09%) Mesos
16 13 (1.02%) Docker Swarm
16 13 (1.02%) Rancher
17 9 (0.70%) Consul
Vendors
1 257 (20.08%) Oracle
2 96 (7.50%) VMware
3 86 (6.72%) Microsoft
4 84 (6.56%) Red Hat
5 65 (5.08%) Splunk
6 55 (4.30%) Sybase
7 52 (4.06%) Google
8 47 (3.67%) Atlassian
9 36 (2.81%) IBM
10 29 (2.27%) Cisco
11 27 (2.11%) F5
11 27 (2.11%) Netezza
11 27 (2.11%) Veritas
12 25 (1.95%) EMC
13 22 (1.72%) Adobe
13 22 (1.72%) Hortonworks
14 21 (1.64%) HP
14 21 (1.64%) NetApp
15 20 (1.56%) AppDynamics
15 20 (1.56%) ServiceNow