Period
to 10 August 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 10 August 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
10 Aug 2020
Same period 2019 Same period 2018
Rank 57 81 60
Rank change year-on-year +24 -21 -25
Contract jobs citing Unix 78 193 274
As % of all contract jobs advertised in the City of London 3.53% 2.96% 3.90%
As % of the Operating Systems category 19.60% 14.93% 19.03%
Number of daily rates quoted 52 144 226
Median daily rate £493 £531 £550
Median daily rate % change year-on-year -7.29% -3.41% -
10th Percentile £354 £400 £400
90th Percentile £686 £696 £638
Central London median daily rate £508 £525 £550
% change year-on-year -3.33% -4.55% +2.33%
Number of hourly rates quoted 1 1 1
Median hourly rate £37.50 £47.50 £22.50
Median hourly rate % change year-on-year -21.05% +111.11% -
10th Percentile £36.75 £43.75 £21.25
90th Percentile £38.25 £51.25 £23.75
Central London median hourly rate £37.50 £47.50 £22.50
% change year-on-year -21.05% +111.11% -

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 398 1,293 1,440
As % of all contract IT jobs advertised in the City of London 18.01% 19.80% 20.49%
Number of daily rates quoted 290 995 1,106
Median daily rate £475 £475 £500
Median daily rate % change year-on-year - -5.00% +5.26%
10th Percentile £213 £170 £200
90th Percentile £638 £650 £675
Central London median daily rate £475 £475 £500
% change year-on-year - -5.00% +5.26%
Number of hourly rates quoted 3 33 76
Median hourly rate £27.18 £21.00 £18.70
Median hourly rate % change year-on-year +29.40% +12.30% +10.00%
10th Percentile £21.15 £12.04 £14.80
90th Percentile £36.32 £44.80 £24.50
Median hourly rate £20.00 £21.00 £19.00
% change year-on-year -4.76% +10.53% +8.57%

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 10 August 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 10 August 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 51 (65.38%) Linux
2 33 (42.31%) Windows
3 24 (30.77%) Oracle
4 23 (29.49%) Python
4 23 (29.49%) Finance
5 22 (28.21%) Java
6 20 (25.64%) SQL Server
6 20 (25.64%) DevOps
7 19 (24.36%) Active Directory
8 17 (21.79%) SQL
9 15 (19.23%) MySQL
9 15 (19.23%) Kubernetes
10 14 (17.95%) AWS
10 14 (17.95%) Perl
10 14 (17.95%) Banking
10 14 (17.95%) Agile Software Development
11 12 (15.38%) Migration
11 12 (15.38%) Microsoft
11 12 (15.38%) Jenkins
11 12 (15.38%) Docker
12 11 (14.10%) Analytical Skills
12 11 (14.10%) Git (software)
12 11 (14.10%) Azure
12 11 (14.10%) Terraform
12 11 (14.10%) DNS
12 11 (14.10%) Configuration Management
12 11 (14.10%) Web Services
12 11 (14.10%) Continuous Integration
13 10 (12.82%) VMware
13 10 (12.82%) Sybase

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 6 (7.69%) SharePoint
2 5 (6.41%) Apache
3 4 (5.13%) WebLogic
4 3 (3.85%) Confluence
4 3 (3.85%) Elasticsearch
4 3 (3.85%) SAS
4 3 (3.85%) Tomcat
5 2 (2.56%) CMS
5 2 (2.56%) JBoss
5 2 (2.56%) Oracle SOA Suite
6 1 (1.28%) Apache Spark
6 1 (1.28%) Appian
6 1 (1.28%) IIS
6 1 (1.28%) OpenStack
6 1 (1.28%) Red Hat Fuse
6 1 (1.28%) SharePoint Server
Applications
1 5 (6.41%) Microsoft Office
2 3 (3.85%) Microsoft Excel
3 1 (1.28%) RoboHelp
Cloud Services
1 14 (17.95%) AWS
2 11 (14.10%) Azure
3 8 (10.26%) IaaS
4 4 (5.13%) AWS CloudFormation
4 4 (5.13%) OpenShift
4 4 (5.13%) Power Platform
5 3 (3.85%) Amazon EC2
5 3 (3.85%) Amazon S3
5 3 (3.85%) GitHub
5 3 (3.85%) Office 365
5 3 (3.85%) Virtual Private Cloud
6 2 (2.56%) Amazon CloudWatch
6 2 (2.56%) Amazon EKS
6 2 (2.56%) Apigee
6 2 (2.56%) GCP
6 2 (2.56%) npm
7 1 (1.28%) AWS Lambda
7 1 (1.28%) Coveralls
7 1 (1.28%) Datadog
7 1 (1.28%) Serverless
Communications & Networking
1 11 (14.10%) DNS
2 8 (10.26%) DHCP
3 6 (7.69%) TCP/IP
4 5 (6.41%) Firewall
4 5 (6.41%) HTTP
4 5 (6.41%) Internet
4 5 (6.41%) Intrusion Detection
5 3 (3.85%) HTTPS
5 3 (3.85%) IPsec
6 2 (2.56%) Kerberos
6 2 (2.56%) Network Security
6 2 (2.56%) SSH
6 2 (2.56%) VPN
7 1 (1.28%) 2G
7 1 (1.28%) 4G
7 1 (1.28%) 5G
7 1 (1.28%) AMQP
7 1 (1.28%) SNMP
7 1 (1.28%) Wi-Fi
7 1 (1.28%) Wireshark
Database & Business Intelligence
1 20 (25.64%) SQL Server
2 15 (19.23%) MySQL
3 7 (8.97%) MongoDB
3 7 (8.97%) SQL Server Reporting Services
4 6 (7.69%) Oracle Database
4 6 (7.69%) SQL Server Integration Services
5 5 (6.41%) SQL Server Analysis Services
6 4 (5.13%) Microsoft Analysis Services
6 4 (5.13%) Power BI
6 4 (5.13%) SQL Server 2008
6 4 (5.13%) SQL Server 2012
6 4 (5.13%) SQL Server 2014
6 4 (5.13%) SQL Server 2016
7 3 (3.85%) Data Warehouse
7 3 (3.85%) Pentaho
7 3 (3.85%) PostgreSQL
7 3 (3.85%) SAS EBI
8 2 (2.56%) Base SAS
8 2 (2.56%) BusinessObjects XI
8 2 (2.56%) Relational Database
Development Applications
1 12 (15.38%) Jenkins
2 11 (14.10%) Git (software)
3 6 (7.69%) Maven
4 5 (6.41%) GitLab
4 5 (6.41%) JIRA
5 4 (5.13%) Subversion
6 3 (3.85%) Atlassian Bamboo
6 3 (3.85%) Bitbucket
6 3 (3.85%) Bitbucket Server
6 3 (3.85%) Eclipse
6 3 (3.85%) JUnit
7 2 (2.56%) Ant
7 2 (2.56%) FishEye
7 2 (2.56%) Grunt
7 2 (2.56%) gulp
7 2 (2.56%) Jasmine
7 2 (2.56%) Mocha
7 2 (2.56%) SonarQube
7 2 (2.56%) TeamCity
7 2 (2.56%) Toad
General
1 23 (29.49%) Finance
2 14 (17.95%) Banking
3 9 (11.54%) Investment Banking
4 6 (7.69%) Public Sector
5 3 (3.85%) Front Office
6 2 (2.56%) Advertising
6 2 (2.56%) Law
6 2 (2.56%) Police
7 1 (1.28%) Back Office
Job Titles
1 12 (15.38%) DevOps Engineer
2 11 (14.10%) Developer
3 9 (11.54%) DBA
4 8 (10.26%) Linux Engineer
5 7 (8.97%) Administrator
5 7 (8.97%) Oracle DBA
6 6 (7.69%) Sybase DBA
7 5 (6.41%) Analyst
8 4 (5.13%) SQL DBA
9 3 (3.85%) Architect
9 3 (3.85%) AWS DevOps
9 3 (3.85%) AWS DevOps Engineer
9 3 (3.85%) AWS Engineer
9 3 (3.85%) Consultant
9 3 (3.85%) Java Developer
9 3 (3.85%) Migration Engineer
9 3 (3.85%) Security Engineer
9 3 (3.85%) Windows Engineer
10 2 (2.56%) Integration Architect
10 2 (2.56%) Network Engineer
Libraries, Frameworks & Software Standards
1 11 (14.10%) Web Services
2 7 (8.97%) LDAP
3 6 (7.69%) .NET
4 5 (6.41%) HTML
4 5 (6.41%) Java EE
4 5 (6.41%) LAMP
4 5 (6.41%) Middleware
5 4 (5.13%) J2EE
5 4 (5.13%) Node.js
5 4 (5.13%) REST
5 4 (5.13%) SOAP
5 4 (5.13%) Struts
5 4 (5.13%) XML
6 3 (3.85%) Celery
6 3 (3.85%) CSS
6 3 (3.85%) JAX-RS
6 3 (3.85%) JDBC
6 3 (3.85%) ODBC
6 3 (3.85%) RabbitMQ
6 3 (3.85%) Spring
Miscellaneous
1 11 (14.10%) Analytical Skills
2 7 (8.97%) Enterprise Software
3 6 (7.69%) Management Information System
4 4 (5.13%) Data Centre
4 4 (5.13%) Fixed Income
5 3 (3.85%) Blog
5 3 (3.85%) Linux Command Line
5 3 (3.85%) Replication
6 2 (2.56%) Cloud Native
6 2 (2.56%) Clustering
6 2 (2.56%) Private Cloud
6 2 (2.56%) Public Cloud
6 2 (2.56%) Security Operations Centre
6 2 (2.56%) User Experience
6 2 (2.56%) Virtual Team
7 1 (1.28%) Algorithms
7 1 (1.28%) Derivative
7 1 (1.28%) Equities
7 1 (1.28%) Exotic Derivative
7 1 (1.28%) Self-Motivation
Operating Systems
1 51 (65.38%) Linux
2 33 (42.31%) Windows
3 10 (12.82%) Windows Server
4 5 (6.41%) Mac OS X
4 5 (6.41%) Red Hat Enterprise Linux
5 1 (1.28%) AIX
5 1 (1.28%) Check Point GAiA
5 1 (1.28%) Solaris
5 1 (1.28%) SUSE
Processes & Methodologies
1 20 (25.64%) DevOps
2 14 (17.95%) Agile Software Development
3 12 (15.38%) Migration
4 11 (14.10%) Configuration Management
4 11 (14.10%) Continuous Integration
5 10 (12.82%) SIEM
6 9 (11.54%) ITIL
7 8 (10.26%) High Availability
7 8 (10.26%) Test Automation
8 7 (8.97%) Incident Management
8 7 (8.97%) Open Source
8 7 (8.97%) Scrum
9 6 (7.69%) Cybersecurity
9 6 (7.69%) ETL
9 6 (7.69%) Information Security
9 6 (7.69%) Service Management
9 6 (7.69%) TDD
10 5 (6.41%) Disaster Recovery
10 5 (6.41%) Stakeholder Management
10 5 (6.41%) User Acceptance Testing
Programming Languages
1 23 (29.49%) Python
2 22 (28.21%) Java
3 17 (21.79%) SQL
4 14 (17.95%) Perl
5 8 (10.26%) C
5 8 (10.26%) PowerShell
6 7 (8.97%) Korn
7 6 (7.69%) Bash Shell
7 6 (7.69%) JavaScript
8 5 (6.41%) T-SQL
9 4 (5.13%) C++
9 4 (5.13%) Shell Script
10 3 (3.85%) PHP
10 3 (3.85%) PL/SQL
10 3 (3.85%) Ruby
10 3 (3.85%) VB
10 3 (3.85%) VBScript
11 2 (2.56%) Groovy
11 2 (2.56%) SAS Macro
12 1 (1.28%) VB.NET
Qualifications
1 9 (11.54%) Security Cleared
2 8 (10.26%) SC Cleared
3 5 (6.41%) Degree
4 4 (5.13%) Computer Science Degree
5 3 (3.85%) AWS Certification
6 2 (2.56%) ISEB
6 2 (2.56%) ISTQB
6 2 (2.56%) ISTQB Foundation Certification
7 1 (1.28%) Cisco Certification
7 1 (1.28%) CISSP
7 1 (1.28%) GCED
7 1 (1.28%) GCFW
7 1 (1.28%) GCIA
7 1 (1.28%) GCIH
7 1 (1.28%) GCUX
7 1 (1.28%) GCWN
7 1 (1.28%) GIAC
7 1 (1.28%) GISF
7 1 (1.28%) GSEC
7 1 (1.28%) ITIL Foundation Certificate
Quality Assurance & Compliance
1 4 (5.13%) QA
2 2 (2.56%) WCAG
3 1 (1.28%) Disclosure Scotland
3 1 (1.28%) SLA
System Software
1 19 (24.36%) Active Directory
2 12 (15.38%) Docker
3 9 (11.54%) VMware Infrastructure
4 3 (3.85%) Virtual Servers
5 2 (2.56%) Oracle RAC
5 2 (2.56%) Veritas Cluster Server
6 1 (1.28%) Squid
6 1 (1.28%) VMware NSX
Systems Management
1 15 (19.23%) Kubernetes
2 11 (14.10%) Terraform
3 8 (10.26%) Ansible
3 8 (10.26%) Puppet
4 7 (8.97%) Opscode Chef
5 4 (5.13%) Salt
6 3 (3.85%) Grafana
6 3 (3.85%) Kibana
6 3 (3.85%) Nagios
6 3 (3.85%) Norton AntiVirus
7 2 (2.56%) logstash
7 2 (2.56%) Pacemaker
7 2 (2.56%) SCOM
7 2 (2.56%) Single Sign-On
8 1 (1.28%) Nessus
8 1 (1.28%) Nmap
8 1 (1.28%) Oracle Enterprise Manager
8 1 (1.28%) QRadar
8 1 (1.28%) Red Hat Satellite
8 1 (1.28%) ZABBIX
Vendors
1 24 (30.77%) Oracle
2 12 (15.38%) Microsoft
3 10 (12.82%) Sybase
3 10 (12.82%) VMware
4 9 (11.54%) Red Hat
5 6 (7.69%) CyberArk
6 5 (6.41%) Atlassian
6 5 (6.41%) Qualys
7 4 (5.13%) Cisco
7 4 (5.13%) HP
7 4 (5.13%) SaltStack
7 4 (5.13%) Splunk
8 3 (3.85%) ArcSight
8 3 (3.85%) EMC
8 3 (3.85%) Google
8 3 (3.85%) McAfee
8 3 (3.85%) Remedy
8 3 (3.85%) Symantec
8 3 (3.85%) Veritas
9 2 (2.56%) SAP