Period
to 29 March 2020

The following table provides summary statistics for contract job vacancies advertised in the City of 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 29 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
Central London > City of London
6 months to
29 Mar 2020
Same period 2019 Same period 2018
Rank 95 78 45
Rank change year-on-year -17 -33 -14
Contract jobs citing Unix 92 204 355
As % of all contract jobs advertised in the City of London 2.14% 3.00% 5.01%
As % of the Operating Systems category 12.59% 15.12% 24.42%
Number of daily rates quoted 67 146 301
Median daily rate £513 £550 £525
Median daily rate % change year-on-year -6.82% +4.76% -2.33%
10th Percentile £323 £363 £411
90th Percentile £700 £650 £638
Central London median daily rate £514 £550 £500
% change year-on-year -6.59% +10.00% -4.76%
Number of hourly rates quoted 0 0 3
Median hourly rate - - £27.50
Central London median hourly rate - - £27.50

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 the City of London with a requirement for operating system skills.

All Operating Systems
City of London
Contract vacancies with a requirement for operating system skills 731 1,349 1,454
As % of all contract IT jobs advertised in the City of London 17.00% 19.81% 20.51%
Number of daily rates quoted 557 1,002 1,172
Median daily rate £450 £475 £500
Median daily rate % change year-on-year -5.26% -5.00% +5.26%
10th Percentile £150 £156 £263
90th Percentile £638 £649 £675
Central London median daily rate £450 £475 £495
% change year-on-year -5.26% -4.04% +10.00%
Number of hourly rates quoted 21 33 51
Median hourly rate £18.70 £19.25 £18.70
Median hourly rate % change year-on-year -2.86% +2.94% -0.80%
10th Percentile £12.50 £15.68 £11.25
90th Percentile £31.50 £33.70 £23.75
Median hourly rate £18.70 £20.00 £18.70
% change year-on-year -6.50% +6.95% -0.80%

Unix
Job Vacancy Trend in the City of London

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

Job vacancy trend for Unix in the City of London

Unix
Contractor Daily Rate Trend in the City of London

3-month moving average daily rate quoted in jobs citing Unix in the City of London.

Daily rate trend for Unix in the City of London

Unix
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Unix in the City of London over the 6 months to 29 March 2020.

Daily rate histogram for Unix in the City of London

Unix
Contractor Hourly Rate Trend in the City of London

3-month moving average hourly rates quoted in jobs citing Unix in the City of London.

Hourly rate trend for Unix in the City of London

For the 6 months to 29 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 City of London region with a requirement for Unix.

1 56 (60.87%) Linux
2 36 (39.13%) SQL
3 30 (32.61%) Java
3 30 (32.61%) Windows
4 28 (30.43%) Finance
5 27 (29.35%) Oracle
6 25 (27.17%) Python
7 24 (26.09%) Agile Software Development
7 24 (26.09%) DevOps
8 19 (20.65%) Banking
9 18 (19.57%) Active Directory
9 18 (19.57%) AWS
10 17 (18.48%) Azure
11 16 (17.39%) Docker
11 16 (17.39%) Kubernetes
11 16 (17.39%) Shell Script
11 16 (17.39%) PL/SQL
12 15 (16.30%) Microsoft
13 13 (14.13%) ITIL
13 13 (14.13%) Jenkins
14 12 (13.04%) Terraform
14 12 (13.04%) Continuous Integration
15 11 (11.96%) JIRA
15 11 (11.96%) Migration
16 10 (10.87%) Oracle Database
16 10 (10.87%) DNS
17 9 (9.78%) Web Services
17 9 (9.78%) ETL
17 9 (9.78%) TDD
17 9 (9.78%) Spring

Unix
Co-occurring IT Skills in the City of 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 5 (5.43%) Apache Spark
1 5 (5.43%) Tomcat
2 4 (4.35%) WebLogic
3 3 (3.26%) Apache
3 3 (3.26%) Confluence
4 2 (2.17%) DataSynapse
4 2 (2.17%) OpenStack
4 2 (2.17%) Oracle SOA Suite
5 1 (1.09%) Cloud Foundry
5 1 (1.09%) Elasticsearch
5 1 (1.09%) MS Exchange
5 1 (1.09%) nginx
5 1 (1.09%) OpenEdge
5 1 (1.09%) Oracle Coherence
5 1 (1.09%) SAS
5 1 (1.09%) SharePoint
5 1 (1.09%) SugarCRM
Applications
1 5 (5.43%) Microsoft Excel
2 4 (4.35%) Microsoft Office
Business Applications
1 3 (3.26%) Temenos T24
2 2 (2.17%) Temenos Globus
3 1 (1.09%) Salesforce.com CRM
Cloud Services
1 18 (19.57%) AWS
2 17 (18.48%) Azure
3 8 (8.70%) GitHub
4 6 (6.52%) IaaS
5 5 (5.43%) GCP
6 4 (4.35%) Amazon EC2
6 4 (4.35%) Amazon S3
7 3 (3.26%) AWS CloudFormation
7 3 (3.26%) npm
7 3 (3.26%) Power Platform
8 2 (2.17%) Amazon EKS
8 2 (2.17%) Virtual Private Cloud
9 1 (1.09%) Amazon Glacier
9 1 (1.09%) AWS Lambda
9 1 (1.09%) Azure Active Directory
9 1 (1.09%) Boomi
9 1 (1.09%) Heroku
9 1 (1.09%) Route 53
9 1 (1.09%) Salesforce Sales Cloud
9 1 (1.09%) Serverless
Communications & Networking
1 10 (10.87%) DNS
2 4 (4.35%) DHCP
3 3 (3.26%) Intrusion Detection
3 3 (3.26%) Wireless
4 2 (2.17%) Firewall
4 2 (2.17%) HTTP
4 2 (2.17%) VPN
5 1 (1.09%) Broadband
5 1 (1.09%) LAN
5 1 (1.09%) NAS
5 1 (1.09%) Network Security
5 1 (1.09%) SAN
5 1 (1.09%) VLAN
5 1 (1.09%) WAN
5 1 (1.09%) Wi-Fi
5 1 (1.09%) Wireshark
Database & Business Intelligence
1 10 (10.87%) Oracle Database
2 9 (9.78%) Hadoop
3 7 (7.61%) HBase
4 6 (6.52%) Big Data
4 6 (6.52%) Data Warehouse
4 6 (6.52%) MongoDB
4 6 (6.52%) MySQL
5 5 (5.43%) NoSQL
5 5 (5.43%) SQL Server
6 4 (4.35%) Oracle Reports
7 3 (3.26%) Oracle Database 11g
7 3 (3.26%) PostgreSQL
7 3 (3.26%) Power BI
8 2 (2.17%) BusinessObjects
8 2 (2.17%) Oracle Exadata
8 2 (2.17%) SQL Server Analysis Services
8 2 (2.17%) SQL Server Integration Services
9 1 (1.09%) Base SAS
9 1 (1.09%) BusinessObjects XI
9 1 (1.09%) KDB
Development Applications
1 13 (14.13%) Jenkins
2 11 (11.96%) JIRA
3 7 (7.61%) Git (software)
4 4 (4.35%) Maven
4 4 (4.35%) Subversion
4 4 (4.35%) Travis CI
5 3 (3.26%) Ant
5 3 (3.26%) Bitbucket Server
5 3 (3.26%) TeamCity
6 2 (2.17%) MSBuild
7 1 (1.09%) Atlassian Bamboo
7 1 (1.09%) CA Gen
7 1 (1.09%) Eclipse
7 1 (1.09%) eggPlant
7 1 (1.09%) GitLab
7 1 (1.09%) JUnit
7 1 (1.09%) Metasploit
7 1 (1.09%) Mockito
7 1 (1.09%) Oracle Forms
7 1 (1.09%) Team Foundation Server
General
1 28 (30.43%) Finance
2 19 (20.65%) Banking
3 7 (7.61%) Public Sector
4 6 (6.52%) Investment Banking
5 4 (4.35%) Front Office
5 4 (4.35%) Retail Banking
6 3 (3.26%) Telecoms
7 2 (2.17%) Financial Institution
8 1 (1.09%) Law
8 1 (1.09%) Legal
8 1 (1.09%) Marketing
Job Titles
1 31 (33.70%) Developer
2 11 (11.96%) DevOps Engineer
3 10 (10.87%) Java Developer
4 9 (9.78%) Analyst
5 5 (5.43%) Architect
5 5 (5.43%) Consultant
6 4 (4.35%) Administrator
6 4 (4.35%) Cloud Engineer
6 4 (4.35%) Hadoop Developer
6 4 (4.35%) Java Hadoop Developer
6 4 (4.35%) Kubernetes Engineer
6 4 (4.35%) Linux Engineer
6 4 (4.35%) Oracle Developer
7 3 (3.26%) Active Directory Consultant
7 3 (3.26%) Network Security Analyst
7 3 (3.26%) Report Developer
7 3 (3.26%) Security Analyst
7 3 (3.26%) SQL Developer
7 3 (3.26%) T24 Developer
7 3 (3.26%) Windows Engineer
Libraries, Frameworks & Software Standards
1 9 (9.78%) Spring
1 9 (9.78%) Web Services
2 6 (6.52%) .NET
2 6 (6.52%) HTML
2 6 (6.52%) Middleware
2 6 (6.52%) XML
3 5 (5.43%) J2EE
3 5 (5.43%) REST
3 5 (5.43%) SOAP
4 4 (4.35%) LDAP
4 4 (4.35%) PySpark
5 3 (3.26%) LAMP
5 3 (3.26%) RESTful
6 2 (2.17%) Ajax
6 2 (2.17%) AngularJS
6 2 (2.17%) CSS
6 2 (2.17%) Elastic Stack
6 2 (2.17%) SAML
6 2 (2.17%) Spring Boot
6 2 (2.17%) Twitter Bootstrap
Miscellaneous
1 6 (6.52%) Analytical Skills
1 6 (6.52%) Enterprise Software
1 6 (6.52%) Linux Command Line
2 4 (4.35%) Cloud Native
2 4 (4.35%) Public Cloud
2 4 (4.35%) Self-Motivation
3 3 (3.26%) Grid Computing
3 3 (3.26%) Management Information System
3 3 (3.26%) Security Operations Centre
3 3 (3.26%) Video Conferencing
4 2 (2.17%) Algorithms
4 2 (2.17%) Data Centre
4 2 (2.17%) Derivative
4 2 (2.17%) Foreign Exchange (FX)
4 2 (2.17%) Virtual Team
4 2 (2.17%) VLE
5 1 (1.09%) Data Structures
5 1 (1.09%) Embedded Systems
5 1 (1.09%) Private Cloud
5 1 (1.09%) User Experience
Operating Systems
1 56 (60.87%) Linux
2 30 (32.61%) Windows
3 8 (8.70%) Windows Server
4 4 (4.35%) Solaris
5 3 (3.26%) Red Hat Enterprise Linux
6 2 (2.17%) Mac OS X
6 2 (2.17%) SUSE
7 1 (1.09%) AIX
7 1 (1.09%) Debian
7 1 (1.09%) Mac OS
7 1 (1.09%) Oracle Linux
7 1 (1.09%) Ubuntu
7 1 (1.09%) Windows 10
7 1 (1.09%) Windows Server 2003
Processes & Methodologies
1 24 (26.09%) Agile Software Development
1 24 (26.09%) DevOps
2 13 (14.13%) ITIL
3 12 (13.04%) Continuous Integration
4 11 (11.96%) Migration
5 9 (9.78%) ETL
5 9 (9.78%) TDD
6 8 (8.70%) Incident Management
6 8 (8.70%) Performance Tuning
7 7 (7.61%) Analytics
7 7 (7.61%) Data Modelling
7 7 (7.61%) Test Automation
8 6 (6.52%) Computer Science
8 6 (6.52%) Microservices
8 6 (6.52%) OOP
8 6 (6.52%) Scrum
9 5 (5.43%) Business Intelligence
9 5 (5.43%) High Availability
9 5 (5.43%) Performance Optimisation
9 5 (5.43%) Software Engineering
Programming Languages
1 36 (39.13%) SQL
2 30 (32.61%) Java
3 25 (27.17%) Python
4 16 (17.39%) PL/SQL
4 16 (17.39%) Shell Script
5 8 (8.70%) Perl
5 8 (8.70%) PowerShell
6 5 (5.43%) Bash Shell
6 5 (5.43%) JavaScript
6 5 (5.43%) Scala
7 4 (4.35%) Groovy
7 4 (4.35%) PHP
7 4 (4.35%) R
8 3 (3.26%) C
8 3 (3.26%) C++
8 3 (3.26%) Java 8
9 2 (2.17%) VB
9 2 (2.17%) VBScript
10 1 (1.09%) Progress 4GL
10 1 (1.09%) VB.NET
Qualifications
1 7 (7.61%) SC Cleared
1 7 (7.61%) Security Cleared
2 3 (3.26%) Dell Certification
3 2 (2.17%) ISEB
3 2 (2.17%) ISTQB
3 2 (2.17%) ISTQB Foundation Certification
4 1 (1.09%) AWS Certification
4 1 (1.09%) Degree
4 1 (1.09%) GCED
4 1 (1.09%) GCFW
4 1 (1.09%) GCIA
4 1 (1.09%) GCIH
4 1 (1.09%) GCUX
4 1 (1.09%) GCWN
4 1 (1.09%) GIAC
4 1 (1.09%) GISF
4 1 (1.09%) GPPA
4 1 (1.09%) GSEC
4 1 (1.09%) Microsoft Certification
4 1 (1.09%) PRINCE2 Certification
Quality Assurance & Compliance
1 4 (4.35%) QA
2 3 (3.26%) SLA
3 1 (1.09%) ISO/IEC 20000
System Software
1 18 (19.57%) Active Directory
2 16 (17.39%) Docker
3 4 (4.35%) HDFS
4 3 (3.26%) Oracle RAC
4 3 (3.26%) Virtual Machines
4 3 (3.26%) Virtual Servers
4 3 (3.26%) VMware Infrastructure
Systems Management
1 16 (17.39%) Kubernetes
2 12 (13.04%) Terraform
3 9 (9.78%) Ansible
4 8 (8.70%) Puppet
5 7 (7.61%) Opscode Chef
6 5 (5.43%) Hadoop YARN
6 5 (5.43%) logstash
7 3 (3.26%) Kibana
7 3 (3.26%) Single Sign-On
8 1 (1.09%) Data Guard
8 1 (1.09%) Galera Cluster
8 1 (1.09%) HAProxy
8 1 (1.09%) ITRS Geneos
8 1 (1.09%) NetVault Backup
8 1 (1.09%) Oracle Enterprise Manager
8 1 (1.09%) Packer
8 1 (1.09%) Prometheus
8 1 (1.09%) QRadar
8 1 (1.09%) Red Hat Satellite
8 1 (1.09%) SCCM
Vendors
1 27 (29.35%) Oracle
2 15 (16.30%) Microsoft
3 7 (7.61%) Informatica
4 5 (5.43%) Dell
4 5 (5.43%) Red Hat
5 4 (4.35%) CyberArk
5 4 (4.35%) Google
5 4 (4.35%) Splunk
5 4 (4.35%) VMware
6 3 (3.26%) Atlassian
6 3 (3.26%) Intel
6 3 (3.26%) jBASE
6 3 (3.26%) ServiceNow
6 3 (3.26%) Temenos
7 2 (2.17%) BEA
7 2 (2.17%) HP
7 2 (2.17%) Remedy
7 2 (2.17%) Sun
7 2 (2.17%) TIBCO
7 2 (2.17%) webMethods