Period
to 28 March 2020

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 28 March 2020 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
28 Mar 2020
Same period 2019 Same period 2018
Rank 98 89 56
Rank change year-on-year -9 -33 -23
Contract jobs citing Unix 111 258 411
As % of all contract jobs advertised in Central London 2.05% 2.89% 4.47%
As % of the Operating Systems category 12.00% 14.40% 21.92%
Number of daily rates quoted 82 195 342
Median daily rate £514 £550 £500
Median daily rate % change year-on-year -6.59% +10.00% -4.76%
10th Percentile £353 £360 £413
90th Percentile £699 £650 £638
London median daily rate £525 £525 £525
Number of hourly rates quoted 0 0 3
Median hourly rate - - £27.50
London median hourly rate £35.00 £57.50 £35.00
% change year-on-year -39.13% +64.29% -19.54%

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 925 1,792 1,875
As % of all contract IT jobs advertised in Central London 17.12% 20.06% 20.40%
Number of daily rates quoted 690 1,287 1,457
Median daily rate £450 £475 £495
Median daily rate % change year-on-year -5.26% -4.04% +10.00%
10th Percentile £150 £157 £200
90th Percentile £638 £638 £655
London median daily rate £450 £475 £475
% change year-on-year -5.26% - +5.56%
Number of hourly rates quoted 29 48 64
Median hourly rate £18.70 £20.00 £18.70
Median hourly rate % change year-on-year -6.50% +6.95% +10.00%
10th Percentile £12.50 £16.05 £11.25
90th Percentile £38.20 £34.13 £30.00
Median hourly rate £23.00 £20.33 £18.70
% change year-on-year +13.16% +8.69% -18.70%

Unix
Job Vacancy Trend in Central London

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

Job vacancy trend for Unix in Central London

Unix
Contractor Daily Rate Trend in Central London

3-month moving average daily rate quoted in jobs citing Unix in Central London.

Daily rate trend for Unix in Central London

Unix
Daily Rate Histogram in Central London

Daily rate distribution for jobs citing Unix in Central London over the 6 months to 28 March 2020.

Daily rate histogram for Unix in Central London

Unix
Contractor Hourly Rate Trend in Central London

3-month moving average hourly rates quoted in jobs citing Unix in Central London.

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 28 March 2020. 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 -9 92 £513 -6.82% 60
City of Westminster +5 6 £563 +2.27%
Camden +6 3 £430 -
West End of London +29 1 £575 +15.00%
Unix
London

For the 6 months to 28 March 2020, 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 70 (63.06%) Linux
2 45 (40.54%) SQL
3 36 (32.43%) Java
3 36 (32.43%) Windows
4 33 (29.73%) Agile Software Development
5 32 (28.83%) Finance
5 32 (28.83%) Oracle
6 31 (27.93%) DevOps
7 30 (27.03%) Python
8 23 (20.72%) AWS
9 21 (18.92%) Banking
10 19 (17.12%) PL/SQL
10 19 (17.12%) Microsoft
10 19 (17.12%) Active Directory
10 19 (17.12%) Azure
11 18 (16.22%) Docker
11 18 (16.22%) Kubernetes
11 18 (16.22%) Shell Script
12 17 (15.32%) Continuous Integration
13 16 (14.41%) ITIL
14 14 (12.61%) Migration
14 14 (12.61%) Jenkins
15 13 (11.71%) Terraform
15 13 (11.71%) Test Automation
15 13 (11.71%) JIRA
16 12 (10.81%) TDD
16 12 (10.81%) JavaScript
16 12 (10.81%) Oracle Database
17 11 (9.91%) Git (software)
17 11 (9.91%) Web Services

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 6 (5.41%) Tomcat
2 5 (4.50%) Apache Spark
2 5 (4.50%) Confluence
3 4 (3.60%) Oracle SOA Suite
3 4 (3.60%) WebLogic
4 3 (2.70%) Apache
4 3 (2.70%) SharePoint
5 2 (1.80%) DataSynapse
5 2 (1.80%) OpenStack
5 2 (1.80%) WebSphere
6 1 (0.90%) Cloud Foundry
6 1 (0.90%) Elasticsearch
6 1 (0.90%) MS Exchange
6 1 (0.90%) nginx
6 1 (0.90%) OpenEdge
6 1 (0.90%) Oracle Application Server
6 1 (0.90%) Oracle Coherence
6 1 (0.90%) SAS
6 1 (0.90%) SugarCRM
Applications
1 5 (4.50%) Microsoft Excel
2 4 (3.60%) Microsoft Office
Business Applications
1 3 (2.70%) Temenos T24
2 2 (1.80%) Temenos Globus
3 1 (0.90%) Oracle Applications
3 1 (0.90%) Oracle EBS
3 1 (0.90%) Salesforce.com CRM
Cloud Services
1 23 (20.72%) AWS
2 19 (17.12%) Azure
3 8 (7.21%) GitHub
4 6 (5.41%) GCP
4 6 (5.41%) IaaS
5 4 (3.60%) Amazon EC2
5 4 (3.60%) Amazon S3
6 3 (2.70%) AWS CloudFormation
6 3 (2.70%) npm
6 3 (2.70%) Power Platform
7 2 (1.80%) Amazon EKS
7 2 (1.80%) Virtual Private Cloud
8 1 (0.90%) Amazon Glacier
8 1 (0.90%) Amazon SQS
8 1 (0.90%) Azure Active Directory
8 1 (0.90%) Boomi
8 1 (0.90%) Cloud Computing
8 1 (0.90%) Office 365
8 1 (0.90%) OpenShift
8 1 (0.90%) Route 53
Communications & Networking
1 10 (9.01%) DNS
2 5 (4.50%) DHCP
3 4 (3.60%) HTTP
4 3 (2.70%) Firewall
4 3 (2.70%) Intrusion Detection
4 3 (2.70%) Wireless
5 2 (1.80%) LAN
5 2 (1.80%) VPN
5 2 (1.80%) WAN
6 1 (0.90%) Broadband
6 1 (0.90%) NAS
6 1 (0.90%) Network Security
6 1 (0.90%) SAN
6 1 (0.90%) TCP/IP
6 1 (0.90%) VLAN
6 1 (0.90%) Wi-Fi
6 1 (0.90%) Wireshark
Database & Business Intelligence
1 12 (10.81%) Oracle Database
2 9 (8.11%) Hadoop
2 9 (8.11%) SQL Server
3 8 (7.21%) Big Data
4 7 (6.31%) Data Warehouse
4 7 (6.31%) HBase
4 7 (6.31%) MySQL
5 6 (5.41%) MongoDB
5 6 (5.41%) NoSQL
6 5 (4.50%) Oracle Reports
7 4 (3.60%) Oracle Database 11g
7 4 (3.60%) Relational Database
8 3 (2.70%) PostgreSQL
8 3 (2.70%) Power BI
9 2 (1.80%) BusinessObjects
9 2 (1.80%) Oracle Database 12c
9 2 (1.80%) Oracle Exadata
9 2 (1.80%) Redis
9 2 (1.80%) SQL Server Analysis Services
9 2 (1.80%) SQL Server Integration Services
Development Applications
1 14 (12.61%) Jenkins
2 13 (11.71%) JIRA
3 11 (9.91%) Git (software)
4 5 (4.50%) Maven
5 4 (3.60%) Subversion
5 4 (3.60%) Team Foundation Server
5 4 (3.60%) Travis CI
6 3 (2.70%) Ant
6 3 (2.70%) Bitbucket Server
6 3 (2.70%) eggPlant
6 3 (2.70%) Selenium
6 3 (2.70%) TeamCity
7 2 (1.80%) HP UFT
7 2 (1.80%) JUnit
7 2 (1.80%) MSBuild
7 2 (1.80%) Oracle Forms
7 2 (1.80%) Rational Functional Tester
7 2 (1.80%) SilkTest
8 1 (0.90%) Metasploit
8 1 (0.90%) Mockito
General
1 32 (28.83%) Finance
2 21 (18.92%) Banking
3 8 (7.21%) Public Sector
4 7 (6.31%) Front Office
5 6 (5.41%) Investment Banking
6 4 (3.60%) Retail Banking
6 4 (3.60%) Telecoms
7 2 (1.80%) Financial Institution
7 2 (1.80%) Marketing
8 1 (0.90%) Back Office
8 1 (0.90%) Electronics
8 1 (0.90%) Law
8 1 (0.90%) Legal
8 1 (0.90%) Manufacturing
Job Titles
1 38 (34.23%) Developer
2 11 (9.91%) DevOps Engineer
3 10 (9.01%) Analyst
3 10 (9.01%) Java Developer
4 7 (6.31%) Administrator
4 7 (6.31%) Architect
4 7 (6.31%) Consultant
5 6 (5.41%) Senior Developer
6 5 (4.50%) Oracle Developer
7 4 (3.60%) Cloud Engineer
7 4 (3.60%) DBA
7 4 (3.60%) Hadoop Developer
7 4 (3.60%) Java Hadoop Developer
7 4 (3.60%) Kubernetes Engineer
7 4 (3.60%) Linux Engineer
7 4 (3.60%) Linux/Unix DevOps
7 4 (3.60%) SQL Developer
7 4 (3.60%) Windows Engineer
8 3 (2.70%) Active Directory Consultant
8 3 (2.70%) T24 Developer
Libraries, Frameworks & Software Standards
1 11 (9.91%) Web Services
1 11 (9.91%) XML
2 10 (9.01%) .NET
2 10 (9.01%) HTML
3 9 (8.11%) Spring
4 8 (7.21%) Middleware
5 7 (6.31%) SOAP
6 5 (4.50%) J2EE
6 5 (4.50%) LDAP
6 5 (4.50%) REST
6 5 (4.50%) RESTful
7 4 (3.60%) CSS
7 4 (3.60%) PySpark
8 3 (2.70%) Django
8 3 (2.70%) LAMP
8 3 (2.70%) Regular Expression
8 3 (2.70%) XBRL
9 2 (1.80%) AngularJS
9 2 (1.80%) Kafka
9 2 (1.80%) Twitter Bootstrap
Miscellaneous
1 9 (8.11%) Analytical Skills
2 7 (6.31%) Linux Command Line
3 6 (5.41%) Enterprise Software
4 4 (3.60%) Cloud Native
4 4 (3.60%) Hedge funds
4 4 (3.60%) Public Cloud
4 4 (3.60%) Self-Motivation
5 3 (2.70%) Algorithms
5 3 (2.70%) Grid Computing
5 3 (2.70%) Management Information System
5 3 (2.70%) Security Operations Centre
5 3 (2.70%) Video Conferencing
6 2 (1.80%) Data Centre
6 2 (1.80%) Data Structures
6 2 (1.80%) Derivative
6 2 (1.80%) Foreign Exchange (FX)
6 2 (1.80%) Taxonomies
6 2 (1.80%) User Experience
6 2 (1.80%) Virtual Team
6 2 (1.80%) VLE
Operating Systems
1 70 (63.06%) Linux
2 36 (32.43%) Windows
3 10 (9.01%) Windows Server
4 6 (5.41%) Solaris
5 5 (4.50%) Mac OS X
6 3 (2.70%) Mac OS
6 3 (2.70%) Red Hat Enterprise Linux
6 3 (2.70%) Windows Server 2003
7 2 (1.80%) SUSE
7 2 (1.80%) Windows 10
7 2 (1.80%) Windows Server 2008
8 1 (0.90%) AIX
8 1 (0.90%) Debian
8 1 (0.90%) Oracle Linux
8 1 (0.90%) Ubuntu
8 1 (0.90%) Windows XP
Processes & Methodologies
1 33 (29.73%) Agile Software Development
2 31 (27.93%) DevOps
3 17 (15.32%) Continuous Integration
4 16 (14.41%) ITIL
5 14 (12.61%) Migration
6 13 (11.71%) Test Automation
7 12 (10.81%) TDD
8 11 (9.91%) Data Modelling
8 11 (9.91%) ETL
9 9 (8.11%) Performance Tuning
10 8 (7.21%) Incident Management
10 8 (7.21%) Microservices
11 7 (6.31%) Analytics
11 7 (6.31%) Computer Science
11 7 (6.31%) Scrum
12 6 (5.41%) Business Intelligence
12 6 (5.41%) Database Optimisation
12 6 (5.41%) High Availability
12 6 (5.41%) OOP
12 6 (5.41%) Software Engineering
Programming Languages
1 45 (40.54%) SQL
2 36 (32.43%) Java
3 30 (27.03%) Python
4 19 (17.12%) PL/SQL
5 18 (16.22%) Shell Script
6 12 (10.81%) JavaScript
7 9 (8.11%) Perl
8 8 (7.21%) PowerShell
9 6 (5.41%) Bash Shell
9 6 (5.41%) PHP
9 6 (5.41%) Ruby
10 5 (4.50%) Scala
11 4 (3.60%) C
11 4 (3.60%) C++
11 4 (3.60%) Groovy
11 4 (3.60%) R
11 4 (3.60%) VB.NET
12 3 (2.70%) Java 8
12 3 (2.70%) VB
13 2 (1.80%) VBScript
Qualifications
1 10 (9.01%) Security Cleared
2 9 (8.11%) SC Cleared
3 4 (3.60%) ISEB
3 4 (3.60%) ISTQB
3 4 (3.60%) ISTQB Foundation Certification
4 3 (2.70%) Dell Certification
5 1 (0.90%) AWS Certification
5 1 (0.90%) GCFW
5 1 (0.90%) GCIA
5 1 (0.90%) GCIH
5 1 (0.90%) GCUX
5 1 (0.90%) GCWN
5 1 (0.90%) GIAC
5 1 (0.90%) GISF
5 1 (0.90%) GSEC
5 1 (0.90%) ITIL Certification
5 1 (0.90%) MCP
5 1 (0.90%) Microsoft Certification
5 1 (0.90%) PMI Certification
5 1 (0.90%) PRINCE2 Certification
Quality Assurance & Compliance
1 6 (5.41%) QA
2 3 (2.70%) SLA
3 1 (0.90%) ISO/IEC 20000
System Software
1 19 (17.12%) Active Directory
2 18 (16.22%) Docker
3 4 (3.60%) HDFS
4 3 (2.70%) Oracle RAC
4 3 (2.70%) Virtual Machines
4 3 (2.70%) Virtual Servers
4 3 (2.70%) VMware Infrastructure
Systems Management
1 18 (16.22%) Kubernetes
2 13 (11.71%) Terraform
3 10 (9.01%) Ansible
3 10 (9.01%) Puppet
4 9 (8.11%) Opscode Chef
5 5 (4.50%) Hadoop YARN
5 5 (4.50%) logstash
6 4 (3.60%) Kibana
7 3 (2.70%) SCCM
7 3 (2.70%) Single Sign-On
8 2 (1.80%) CFEngine
8 2 (1.80%) Data Guard
8 2 (1.80%) HP SiteScope
8 2 (1.80%) Nagios
8 2 (1.80%) Oracle RMAN
8 2 (1.80%) Prometheus
9 1 (0.90%) Backup Exec
9 1 (0.90%) Nessus
9 1 (0.90%) Nmap
9 1 (0.90%) Oracle Enterprise Manager
Vendors
1 32 (28.83%) Oracle
2 19 (17.12%) Microsoft
3 7 (6.31%) Informatica
3 7 (6.31%) Splunk
4 6 (5.41%) Red Hat
5 5 (4.50%) Dell
5 5 (4.50%) Google
5 5 (4.50%) SAP
6 4 (3.60%) CyberArk
6 4 (3.60%) VMware
7 3 (2.70%) Atlassian
7 3 (2.70%) HP
7 3 (2.70%) Intel
7 3 (2.70%) jBASE
7 3 (2.70%) PeopleSoft
7 3 (2.70%) ServiceNow
7 3 (2.70%) Sun
7 3 (2.70%) Temenos
7 3 (2.70%) TIBCO
8 2 (1.80%) BEA