Period
to 26 September 2020

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 26 September 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
England > London
6 months to
26 Sep 2020
Same period 2019 Same period 2018
Rank 82 92 59
Rank change year-on-year +10 -33 -19
Contract jobs citing Unix 425 1,077 1,982
As % of all contract jobs advertised in London 3.20% 2.80% 4.32%
As % of the Operating Systems category 19.21% 15.58% 21.32%
Number of daily rates quoted 269 701 1,413
Median daily rate £550 £525 £540
Median daily rate % change year-on-year +4.76% -2.78% +2.86%
10th Percentile £350 £369 £374
90th Percentile £692 £663 £675
England median daily rate £488 £483 £500
% change year-on-year +1.04% -3.50% +5.26%
Number of hourly rates quoted 7 7 9
Median hourly rate £37.50 £47.50 £35.00
Median hourly rate % change year-on-year -21.05% +35.71% +17.15%
10th Percentile £31.65 £25.25 £19.25
90th Percentile £54.00 £52.50 £73.00
England median hourly rate £37.50 £40.00 £31.00
% change year-on-year -6.25% +29.03% +5.08%

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 2,212 6,913 9,297
As % of all contract IT jobs advertised in London 16.63% 17.97% 20.26%
Number of daily rates quoted 1,429 4,868 6,569
Median daily rate £488 £475 £488
Median daily rate % change year-on-year +2.63% -2.56% +2.63%
10th Percentile £256 £173 £200
90th Percentile £657 £650 £650
England median daily rate £450 £425 £438
% change year-on-year +5.88% -2.86% +2.94%
Number of hourly rates quoted 44 196 293
Median hourly rate £35.00 £20.92 £18.70
Median hourly rate % change year-on-year +67.34% +11.84% -1.58%
10th Percentile £17.08 £12.63 £13.00
90th Percentile £50.57 £52.50 £47.83
Median hourly rate £20.00 £17.50 £17.50
% change year-on-year +14.29% - -

Unix
Job Vacancy Trend in London

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

Job vacancy trend for Unix in London

Unix
Contractor Daily Rate Trend in London

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

Daily rate trend for Unix in London

Unix
Daily Rate Histogram in London

Daily rate distribution for jobs citing Unix in London over the 6 months to 26 September 2020.

Daily rate histogram for Unix in London

Unix
Contractor Hourly Rate Trend in London

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

Hourly rate trend for Unix in London

Unix
Hourly Rate Histogram in London

Hourly rate distribution of jobs citing Unix in London over the 6 months to 26 September 2020.

Hourly rate histogram 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 26 September 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
Central London +28 79 £525 - 35
South London +43 20 £325 -43.48% 4
West London +5 8 £630 +40.16% 4
North London +15 3 £563 -
East London +44 2 £325 -43.48% 2
Unix
England

For the 6 months to 26 September 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 London region with a requirement for Unix.

1 310 (72.94%) Linux
2 187 (44.00%) Java
3 141 (33.18%) SQL
4 128 (30.12%) Oracle
5 124 (29.18%) Agile Software Development
6 117 (27.53%) Python
7 110 (25.88%) Windows
8 82 (19.29%) Finance
8 82 (19.29%) TDD
9 81 (19.06%) Security Cleared
10 79 (18.59%) DevOps
11 77 (18.12%) Docker
11 77 (18.12%) Kubernetes
11 77 (18.12%) Banking
12 74 (17.41%) MySQL
12 74 (17.41%) Git (software)
13 73 (17.18%) Test Automation
13 73 (17.18%) AWS
14 71 (16.71%) Relational Database
15 69 (16.24%) SC Cleared
16 67 (15.76%) SQL Server
17 57 (13.41%) Shell Script
17 57 (13.41%) Azure
18 53 (12.47%) MongoDB
18 53 (12.47%) Analytical Skills
18 53 (12.47%) Mac OS X
19 51 (12.00%) JavaScript
20 50 (11.76%) Perl
20 50 (11.76%) Middleware
20 50 (11.76%) Bash Shell

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 25 (5.88%) Confluence
1 25 (5.88%) Mule
2 23 (5.41%) Tomcat
3 22 (5.18%) WebLogic
4 21 (4.94%) JBoss
5 13 (3.06%) Elasticsearch
6 12 (2.82%) Apache
7 10 (2.35%) Red Hat Fuse
8 9 (2.12%) WebSphere
9 8 (1.88%) Apache Spark
10 7 (1.65%) Oracle SOA Suite
11 6 (1.41%) IIS
11 6 (1.41%) SAS
11 6 (1.41%) SharePoint
12 4 (0.94%) Appian
12 4 (0.94%) CMS
12 4 (0.94%) Skype for Business
12 4 (0.94%) WebSphere Application Server
13 3 (0.71%) MQSeries
14 2 (0.47%) Tuxedo
Applications
1 13 (3.06%) Microsoft Office
2 7 (1.65%) Microsoft Excel
3 4 (0.94%) RoboHelp
4 3 (0.71%) MS Visio
5 2 (0.47%) Microsoft PowerPoint
6 1 (0.24%) Microsoft Project
Business Applications
1 1 (0.24%) BusinessWorks
1 1 (0.24%) Front Arena
1 1 (0.24%) Markit EDM
1 1 (0.24%) OpenText Process Suite
1 1 (0.24%) Oracle BPM
1 1 (0.24%) Oracle EBS
1 1 (0.24%) Oracle EBS R12
1 1 (0.24%) Oracle ERP
1 1 (0.24%) StreamServe
Cloud Services
1 73 (17.18%) AWS
2 57 (13.41%) Azure
3 22 (5.18%) Amazon CloudWatch
4 18 (4.24%) GCP
4 18 (4.24%) GitHub
5 17 (4.00%) Datadog
5 17 (4.00%) PaaS
6 15 (3.53%) OpenShift
7 13 (3.06%) SaaS
8 10 (2.35%) IaaS
8 10 (2.35%) Office 365
9 7 (1.65%) Power Platform
10 5 (1.18%) Azure Active Directory
11 4 (0.94%) Amazon S3
11 4 (0.94%) Apigee
11 4 (0.94%) AWS CloudFormation
11 4 (0.94%) AWS Lambda
11 4 (0.94%) Cloud Computing
11 4 (0.94%) Serverless
11 4 (0.94%) Virtual Private Cloud
Communications & Networking
1 39 (9.18%) Firewall
2 34 (8.00%) TCP/IP
3 30 (7.06%) DNS
4 21 (4.94%) Network Security
5 20 (4.71%) SNMP
6 19 (4.47%) Internet
7 18 (4.24%) HTTP
7 18 (4.24%) VPN
8 17 (4.00%) LAN
9 15 (3.53%) DHCP
10 14 (3.29%) WAN
11 11 (2.59%) OSPF
11 11 (2.59%) TACACS
12 8 (1.88%) DMZ
12 8 (1.88%) Intrusion Detection
13 7 (1.65%) SSH
14 6 (1.41%) Cisco ASA
14 6 (1.41%) HTTPS
14 6 (1.41%) Kerberos
14 6 (1.41%) Skype
Database & Business Intelligence
1 74 (17.41%) MySQL
2 71 (16.71%) Relational Database
3 67 (15.76%) SQL Server
4 53 (12.47%) MongoDB
5 35 (8.24%) Big Data
6 28 (6.59%) PostgreSQL
7 26 (6.12%) Oracle Database
8 24 (5.65%) NoSQL
9 15 (3.53%) Apache Cassandra
10 13 (3.06%) RDBMS
11 12 (2.82%) SQL Server Reporting Services
12 11 (2.59%) Data Mining
12 11 (2.59%) Data Warehouse
13 10 (2.35%) Hadoop
13 10 (2.35%) SQL Server Integration Services
14 8 (1.88%) SQL Server Analysis Services
15 7 (1.65%) Power BI
15 7 (1.65%) SQL Server 2012
16 6 (1.41%) SQL Server 2014
16 6 (1.41%) SQL Server 2016
Development Applications
1 74 (17.41%) Git (software)
2 42 (9.88%) Jenkins
3 39 (9.18%) Subversion
4 38 (8.94%) JIRA
5 24 (5.65%) GitLab
6 23 (5.41%) Mockito
7 22 (5.18%) Maven
8 17 (4.00%) JUnit
9 16 (3.76%) Cucumber
10 15 (3.53%) Jasmine
10 15 (3.53%) JMeter
11 14 (3.29%) Atlassian Bamboo
11 14 (3.29%) Grunt
11 14 (3.29%) gulp
11 14 (3.29%) Mocha
12 12 (2.82%) Bitbucket
12 12 (2.82%) eggPlant
12 12 (2.82%) LoadUI
12 12 (2.82%) NeoLoad
13 11 (2.59%) FishEye
General
1 82 (19.29%) Finance
2 77 (18.12%) Banking
3 44 (10.35%) Investment Banking
4 43 (10.12%) Front Office
5 34 (8.00%) Public Sector
6 10 (2.35%) Back Office
7 8 (1.88%) Advertising
8 7 (1.65%) Electronics
9 6 (1.41%) Financial Institution
9 6 (1.41%) Police
10 5 (1.18%) French Language
10 5 (1.18%) Manufacturing
10 5 (1.18%) Telecoms
11 3 (0.71%) Law
11 3 (0.71%) Marketing
11 3 (0.71%) Military
12 2 (0.47%) Pharmaceutical
12 2 (0.47%) Retail
12 2 (0.47%) Retail Banking
13 1 (0.24%) Billing
Job Titles
1 147 (34.59%) Developer
2 73 (17.18%) Java Developer
3 31 (7.29%) Analyst
4 30 (7.06%) Architect
5 26 (6.12%) Applications Support
6 25 (5.88%) DevOps Engineer
6 25 (5.88%) Support Engineer
7 24 (5.65%) Senior Developer
8 23 (5.41%) Integration Developer
9 22 (5.18%) Administrator
10 19 (4.47%) Applications Engineer
10 19 (4.47%) Applications Support Engineer
11 17 (4.00%) Front End Developer (Client-Side Developer)
12 16 (3.76%) DBA
13 15 (3.53%) Consultant
14 14 (3.29%) Test Engineer
15 13 (3.06%) Linux Engineer
16 12 (2.82%) Python Developer
16 12 (2.82%) Unix Engineer
17 11 (2.59%) AWS Engineer
Libraries, Frameworks & Software Standards
1 50 (11.76%) Middleware
2 47 (11.06%) Web Services
3 44 (10.35%) Spring
4 42 (9.88%) HTML
5 36 (8.47%) XML
6 34 (8.00%) JAX-RS
7 33 (7.76%) REST
8 31 (7.29%) Java EE
9 28 (6.59%) CSS
10 25 (5.88%) Apache Camel
11 24 (5.65%) J2EE
11 24 (5.65%) Spring Integration
12 23 (5.41%) LAMP
13 22 (5.18%) LDAP
14 21 (4.94%) SOAP
15 20 (4.71%) Hibernate
15 20 (4.71%) JMS
15 20 (4.71%) Node.js
16 18 (4.24%) ActiveMQ
16 18 (4.24%) HTML5
Miscellaneous
1 53 (12.47%) Analytical Skills
2 29 (6.82%) Linux Command Line
3 24 (5.65%) Fixed Income
4 21 (4.94%) User Experience
5 19 (4.47%) Equities
6 18 (4.24%) Management Information System
7 10 (2.35%) Blog
7 10 (2.35%) Enterprise Software
8 8 (1.88%) Clustering
8 8 (1.88%) Derivative
8 8 (1.88%) Self-Motivation
9 7 (1.65%) SWIFT
10 6 (1.41%) Replication
11 5 (1.18%) Client/Server
11 5 (1.18%) Cloud Native
11 5 (1.18%) Data Centre
11 5 (1.18%) Foreign Exchange (FX)
11 5 (1.18%) N-Tier
11 5 (1.18%) Private Cloud
12 4 (0.94%) Virtual Team
Operating Systems
1 310 (72.94%) Linux
2 110 (25.88%) Windows
3 53 (12.47%) Mac OS X
4 26 (6.12%) Red Hat Enterprise Linux
5 19 (4.47%) Solaris
6 16 (3.76%) Windows Server
7 12 (2.82%) AIX
8 5 (1.18%) Ubuntu
9 4 (0.94%) Apple iOS
9 4 (0.94%) CentOS
9 4 (0.94%) Debian
9 4 (0.94%) Fedora
9 4 (0.94%) Mac OS
9 4 (0.94%) NetWare
9 4 (0.94%) VMS
10 3 (0.71%) Embedded Linux
10 3 (0.71%) Windows Server 2008
10 3 (0.71%) Windows Server 2012
10 3 (0.71%) Windows Server 2016
10 3 (0.71%) Windows Server 2019
Processes & Methodologies
1 124 (29.18%) Agile Software Development
2 82 (19.29%) TDD
3 79 (18.59%) DevOps
4 73 (17.18%) Test Automation
5 49 (11.53%) BDD
6 48 (11.29%) Microservices
7 45 (10.59%) Problem-Solving
8 44 (10.35%) Continuous Deployment
9 42 (9.88%) Migration
10 38 (8.94%) Configuration Management
10 38 (8.94%) Responsive Web Design
10 38 (8.94%) Web Design
11 35 (8.24%) ITIL
12 31 (7.29%) SDLC
13 30 (7.06%) Continuous Integration
13 30 (7.06%) ETL
13 30 (7.06%) Web Development
14 29 (6.82%) Root Cause Analysis
15 27 (6.35%) Computer Science
16 26 (6.12%) High Availability
Programming Languages
1 187 (44.00%) Java
2 141 (33.18%) SQL
3 117 (27.53%) Python
4 57 (13.41%) Shell Script
5 51 (12.00%) JavaScript
6 50 (11.76%) Bash Shell
6 50 (11.76%) Perl
7 37 (8.71%) C++
8 32 (7.53%) C
9 29 (6.82%) Java 8
10 28 (6.59%) Ruby
11 23 (5.41%) PowerShell
12 22 (5.18%) PL/SQL
13 14 (3.29%) T-SQL
14 13 (3.06%) Korn
15 9 (2.12%) C#
16 8 (1.88%) VB
17 7 (1.65%) Scala
18 5 (1.18%) VBScript
19 4 (0.94%) PHP
Qualifications
1 81 (19.06%) Security Cleared
2 69 (16.24%) SC Cleared
3 31 (7.29%) Degree
4 19 (4.47%) Computer Science Degree
5 9 (2.12%) BPSS Clearance
5 9 (2.12%) DV Cleared
5 9 (2.12%) Master's Degree
6 7 (1.65%) DBS Check
7 4 (0.94%) AWS Certification
8 2 (0.47%) CCNA
8 2 (0.47%) GCED
8 2 (0.47%) GCFW
8 2 (0.47%) GCIA
8 2 (0.47%) GCIH
8 2 (0.47%) GCUX
8 2 (0.47%) GCWN
8 2 (0.47%) GISF
8 2 (0.47%) GPPA
8 2 (0.47%) GSEC
8 2 (0.47%) ITIL Foundation Certificate
Quality Assurance & Compliance
1 33 (7.76%) QA
2 17 (4.00%) WCAG
3 10 (2.35%) PCI DSS
4 4 (0.94%) GDPR
5 3 (0.71%) ISO 20022
6 2 (0.47%) Data Quality
6 2 (0.47%) Disclosure Scotland
6 2 (0.47%) GxP
6 2 (0.47%) MiFID
6 2 (0.47%) NIST
6 2 (0.47%) Sarbanes-Oxley
6 2 (0.47%) SLA
7 1 (0.24%) CDISC
7 1 (0.24%) Good Clinical Practice
7 1 (0.24%) ISO 9001
7 1 (0.24%) ISO/IEC 20000
7 1 (0.24%) TARGET2
System Software
1 77 (18.12%) Docker
2 34 (8.00%) Active Directory
3 23 (5.41%) VMware Infrastructure
4 14 (3.29%) Virtual Machines
5 6 (1.41%) VMware ESXi
6 5 (1.18%) Oracle RAC
7 4 (0.94%) Apache ZooKeeper
7 4 (0.94%) HDFS
8 3 (0.71%) Squid
8 3 (0.71%) Veritas Cluster Server
9 2 (0.47%) Citrix Hypervisor
9 2 (0.47%) EMC RecoverPoint
9 2 (0.47%) Hyper-V
9 2 (0.47%) iptables
9 2 (0.47%) KVM
9 2 (0.47%) NFS
9 2 (0.47%) Samba
9 2 (0.47%) Varnish
9 2 (0.47%) Xen
9 2 (0.47%) XenApp
Systems Management
1 77 (18.12%) Kubernetes
2 28 (6.59%) Nagios
3 26 (6.12%) Puppet
4 25 (5.88%) Ansible
5 22 (5.18%) Terraform
6 20 (4.71%) Opscode Chef
7 15 (3.53%) Kibana
8 13 (3.06%) SCOM
9 12 (2.82%) ZABBIX
10 11 (2.59%) Grafana
11 7 (1.65%) Salt
12 5 (1.18%) Red Hat Satellite
13 4 (0.94%) Control-M
13 4 (0.94%) Data Guard
13 4 (0.94%) Netcool
13 4 (0.94%) Netcool/OMNIbus
13 4 (0.94%) Netcool/Webtop
13 4 (0.94%) Oracle RMAN
13 4 (0.94%) Rundeck
13 4 (0.94%) Tivoli
Vendors
1 128 (30.12%) Oracle
2 47 (11.06%) Splunk
2 47 (11.06%) Sybase
3 30 (7.06%) Red Hat
4 27 (6.35%) IBM
5 26 (6.12%) Microsoft
5 26 (6.12%) VMware
6 17 (4.00%) HP
7 14 (3.29%) Atlassian
8 13 (3.06%) Murex
8 13 (3.06%) Remedy
9 12 (2.82%) CyberArk
9 12 (2.82%) Informatica
10 11 (2.59%) AppDynamics
10 11 (2.59%) Cisco
10 11 (2.59%) Dynatrace
10 11 (2.59%) New Relic
10 11 (2.59%) ServiceNow
10 11 (2.59%) SolarWinds
11 10 (2.35%) Google