Period
to 22 September 2021

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 22 September 2021 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
22 Sep 2021
Same period 2020 Same period 2019
Rank 108 83 93
Rank change year-on-year -25 +10 -32
Contract jobs citing Unix 831 438 1,074
As % of all contract jobs advertised in London 2.46% 3.27% 2.81%
As % of the Operating Systems category 17.86% 19.29% 15.62%
Number of daily rates quoted 628 288 702
10th Percentile £413 £350 £369
25th Percentile £500 £450 £425
Median daily rate (50th Percentile) £580 £550 £525
Median % change year-on-year +5.45% +4.76% -4.11%
75th Percentile £670 £650 £613
90th Percentile £713 £700 £668
England median daily rate £525 £489 £488
% change year-on-year +7.42% +0.26% -2.50%
Number of hourly rates quoted 8 6 8
10th Percentile £22.75 £30.75 £25.25
25th Percentile £24.35 £35.50 £38.19
Median hourly rate £57.73 £37.50 £48.75
Median % change year-on-year +53.95% -23.08% +56.00%
75th Percentile £60.00 £50.00 £52.50
90th Percentile £63.00 £53.88 £55.13
England median hourly rate £39.55 £37.50 £42.00
% change year-on-year +5.47% -10.71% +86.67%

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 4,654 2,271 6,877
As % of all contract IT jobs advertised in London 13.76% 16.98% 17.98%
Number of daily rates quoted 3,344 1,594 4,940
10th Percentile £263 £250 £170
25th Percentile £424 £363 £350
Median daily rate (50th Percentile) £525 £488 £475
Median % change year-on-year +7.69% +2.63% -2.56%
75th Percentile £638 £575 £575
90th Percentile £700 £663 £650
England median daily rate £475 £450 £425
% change year-on-year +5.56% +5.88% -2.86%
Number of hourly rates quoted 83 32 182
10th Percentile £13.93 £13.64 £12.78
25th Percentile £16.26 £18.88 £16.08
Median hourly rate £25.00 £25.00 £20.50
Median % change year-on-year - +21.95% +9.63%
75th Percentile £48.75 £41.50 £28.07
90th Percentile £64.00 £47.83 £51.25
England median hourly rate £17.50 £19.00 £17.42
% change year-on-year -7.89% +9.09% -0.47%

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 22 September 2021.

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 22 September 2021.

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 22 September 2021. 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 -68 60 £585 +11.33% 62
West London +12 32 £434 -32.75% 15
South London -17 2 £425 +30.77% 2
East London -12 1 £465 +16.25% 14
Unix
England

For the 6 months to 22 September 2021, 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.

1 476 (57.28%) Linux
2 387 (46.57%) Java
3 288 (34.66%) Agile Software Development
4 280 (33.69%) Finance
5 279 (33.57%) SQL
6 225 (27.08%) Python
7 208 (25.03%) Oracle
8 201 (24.19%) Social Skills
9 199 (23.95%) Banking
10 174 (20.94%) Windows
11 170 (20.46%) Spring
12 167 (20.10%) DevOps
13 159 (19.13%) Relational Database
13 159 (19.13%) Git (software)
14 139 (16.73%) Jenkins
15 125 (15.04%) TDD
16 122 (14.68%) Kubernetes
17 118 (14.20%) Test Automation
18 117 (14.08%) Docker
19 116 (13.96%) AWS
20 115 (13.84%) Investment Banking
21 114 (13.72%) Front Office
21 114 (13.72%) JavaScript
22 113 (13.60%) SQL Server
23 109 (13.12%) Ansible
24 105 (12.64%) REST
25 101 (12.15%) Microservices
26 99 (11.91%) Middleware
27 98 (11.79%) Shell Script
28 90 (10.83%) Azure

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 68 (8.18%) Mule
2 52 (6.26%) Apache
3 51 (6.14%) Apache Spark
4 45 (5.42%) Tomcat
5 41 (4.93%) Confluence
6 29 (3.49%) JBoss
7 22 (2.65%) CMS
8 20 (2.41%) Red Hat Fuse
9 19 (2.29%) IIS
9 19 (2.29%) SharePoint
10 17 (2.05%) Elasticsearch
11 15 (1.81%) WebSphere
12 10 (1.20%) WebLogic
13 9 (1.08%) Jetty
13 9 (1.08%) MS Exchange
14 8 (0.96%) Cloud Foundry
14 8 (0.96%) Oracle Coherence
15 6 (0.72%) Adobe Experience Manager
15 6 (0.72%) nginx
15 6 (0.72%) Oracle SOA Suite
Applications
1 16 (1.93%) Microsoft Office
2 13 (1.56%) MS Visio
3 6 (0.72%) Microsoft Excel
4 5 (0.60%) Microsoft Project
5 4 (0.48%) Microsoft PowerPoint
6 1 (0.12%) Photoshop
Business Applications
1 8 (0.96%) Oracle EBS R12
2 7 (0.84%) RMDS
3 6 (0.72%) Oracle EBS
4 5 (0.60%) ION MarketView
4 5 (0.60%) Oracle Payables
4 5 (0.60%) Oracle Receivables
5 3 (0.36%) Oracle Applications
6 2 (0.24%) Actimize
6 2 (0.24%) BusinessWorks
7 1 (0.12%) OneSumX
7 1 (0.12%) Oracle Financials
7 1 (0.12%) Refinitiv Enterprise Platform
7 1 (0.12%) Remedy ITSM
7 1 (0.12%) Sentinel
Cloud Services
1 116 (13.96%) AWS
2 90 (10.83%) Azure
3 52 (6.26%) GCP
4 47 (5.66%) GitHub
5 35 (4.21%) IaaS
6 27 (3.25%) PaaS
7 26 (3.13%) Amazon S3
8 17 (2.05%) AWS CloudFormation
9 16 (1.93%) Microsoft 365
9 16 (1.93%) Serverless
10 14 (1.68%) SaaS
11 13 (1.56%) Virtual Private Cloud
12 12 (1.44%) Amazon EC2
12 12 (1.44%) NuGet
13 11 (1.32%) AWS Lambda
13 11 (1.32%) OpenShift
14 10 (1.20%) Azure Active Directory
14 10 (1.20%) Route 53
15 9 (1.08%) Power Platform
16 8 (0.96%) Cloudflare
Communications & Networking
1 51 (6.14%) Firewall
2 30 (3.61%) HTTP
3 28 (3.37%) TCP/IP
4 27 (3.25%) DNS
5 19 (2.29%) Network Security
5 19 (2.29%) SAN
5 19 (2.29%) SSL
6 14 (1.68%) NAS
6 14 (1.68%) WAN
6 14 (1.68%) Wireshark
7 12 (1.44%) Internet
8 10 (1.20%) Kerberos
9 9 (1.08%) LAN
9 9 (1.08%) Multicast
9 9 (1.08%) SMTP
9 9 (1.08%) tcpdump
10 8 (0.96%) DHCP
10 8 (0.96%) HTTPS
11 7 (0.84%) Intrusion Detection
11 7 (0.84%) VPN
Database & Business Intelligence
1 159 (19.13%) Relational Database
2 113 (13.60%) SQL Server
3 53 (6.38%) Big Data
4 52 (6.26%) NoSQL
5 49 (5.90%) MySQL
6 42 (5.05%) Hadoop
6 42 (5.05%) PostgreSQL
7 40 (4.81%) MongoDB
8 37 (4.45%) Oracle Database
9 35 (4.21%) Data Warehouse
10 33 (3.97%) Apache Hive
11 24 (2.89%) RDBMS
12 20 (2.41%) Data Mart
13 18 (2.17%) Redis
14 17 (2.05%) Tableau
15 15 (1.81%) KDB
16 14 (1.68%) Amazon RDS
16 14 (1.68%) Apache Cassandra
17 12 (1.44%) HBase
17 12 (1.44%) SQL Server Analysis Services
Development Applications
1 159 (19.13%) Git (software)
2 139 (16.73%) Jenkins
3 85 (10.23%) JIRA
4 83 (9.99%) Maven
5 70 (8.42%) Subversion
6 37 (4.45%) JUnit
7 32 (3.85%) TeamCity
8 27 (3.25%) Mockito
9 26 (3.13%) Bitbucket
10 23 (2.77%) Cucumber
11 22 (2.65%) SonarQube
12 21 (2.53%) Hudson
12 21 (2.53%) Selenium
12 21 (2.53%) Sonatype Nexus
13 20 (2.41%) Artifactory
13 20 (2.41%) IntelliJ
14 19 (2.29%) GitLab
14 19 (2.29%) jMock
15 15 (1.81%) gulp
16 14 (1.68%) Atlassian Bamboo
General
1 280 (33.69%) Finance
2 201 (24.19%) Social Skills
3 199 (23.95%) Banking
4 115 (13.84%) Investment Banking
5 114 (13.72%) Front Office
6 89 (10.71%) Analytical Skills
7 35 (4.21%) Telecoms
8 26 (3.13%) Public Sector
9 21 (2.53%) Financial Institution
10 20 (2.41%) Marketing
11 17 (2.05%) Back Office
12 11 (1.32%) Documentation Skills
12 11 (1.32%) Organisational Skills
13 10 (1.20%) Manufacturing
14 9 (1.08%) Electronics
14 9 (1.08%) Presentation Skills
15 8 (0.96%) Local Government
15 8 (0.96%) Prime Brokerage
16 7 (0.84%) Retail Banking
17 6 (0.72%) Legal
Job Titles
1 352 (42.36%) Developer
2 172 (20.70%) Java Developer
3 57 (6.86%) Integration Developer
4 56 (6.74%) Senior Developer
5 55 (6.62%) Analyst
6 46 (5.54%) Architect
7 43 (5.17%) Applications Support
7 43 (5.17%) DevOps Engineer
8 35 (4.21%) Data Engineer
9 28 (3.37%) Administrator
10 27 (3.25%) Consultant
10 27 (3.25%) Full Stack Developer
11 24 (2.89%) Murex Developer
11 24 (2.89%) Support Analyst
12 22 (2.65%) Enterprise Integration Developer
12 22 (2.65%) Infrastructure Engineer
12 22 (2.65%) Senior Java Developer
13 21 (2.53%) C++ Developer
14 19 (2.29%) Java Middleware Developer
14 19 (2.29%) Middleware Developer
Libraries, Frameworks & Software Standards
1 170 (20.46%) Spring
2 105 (12.64%) REST
3 99 (11.91%) Middleware
4 86 (10.35%) HTML
5 77 (9.27%) CSS
6 67 (8.06%) J2EE
7 64 (7.70%) Web Services
8 61 (7.34%) Apache Camel
9 60 (7.22%) JTA
9 60 (7.22%) JTS
10 56 (6.74%) React
11 55 (6.62%) Hibernate
12 48 (5.78%) XML
13 47 (5.66%) Spring Integration
14 45 (5.42%) RESTful
15 44 (5.29%) JSON
16 42 (5.05%) Spring Boot
17 39 (4.69%) AngularJS
18 36 (4.33%) JMS
19 33 (3.97%) Kafka
Miscellaneous
1 56 (6.74%) Foreign Exchange (FX)
2 46 (5.54%) Fixed Income
3 45 (5.42%) Equities
4 37 (4.45%) Algorithms
4 37 (4.45%) Data Structures
5 31 (3.73%) Management Information System
6 30 (3.61%) Data Protection Act
7 25 (3.01%) Data Centre
8 24 (2.89%) Derivative
9 21 (2.53%) Linux Command Line
10 20 (2.41%) Cloud Native
11 18 (2.17%) Public Cloud
11 18 (2.17%) User Experience
12 15 (1.81%) Clustering
13 11 (1.32%) SWIFT
14 10 (1.20%) Enterprise Software
14 10 (1.20%) Virtual Team
15 9 (1.08%) Greenfield Project
15 9 (1.08%) Legacy Applications
15 9 (1.08%) Self-Motivation
Operating Systems
1 476 (57.28%) Linux
2 174 (20.94%) Windows
3 41 (4.93%) Red Hat Enterprise Linux
4 30 (3.61%) Mac OS X
5 25 (3.01%) Solaris
6 14 (1.68%) AIX
7 10 (1.20%) Windows Server
8 9 (1.08%) Windows 10
9 8 (0.96%) Mac OS
9 8 (0.96%) Windows Server 2016
9 8 (0.96%) Windows Server 2019
10 6 (0.72%) Android
11 4 (0.48%) Apple iOS
11 4 (0.48%) Windows 7
12 3 (0.36%) CentOS
12 3 (0.36%) FreeBSD
12 3 (0.36%) HPUX
12 3 (0.36%) Ubuntu
13 1 (0.12%) Embedded Linux
13 1 (0.12%) SUSE
Processes & Methodologies
1 288 (34.66%) Agile Software Development
2 167 (20.10%) DevOps
3 125 (15.04%) TDD
4 118 (14.20%) Test Automation
5 101 (12.15%) Microservices
6 77 (9.27%) Continuous Integration
7 71 (8.54%) Software Engineering
8 66 (7.94%) Scrum
9 63 (7.58%) BDD
9 63 (7.58%) Configuration Management
9 63 (7.58%) Problem-Solving
10 61 (7.34%) High Availability
11 52 (6.26%) Multithreading
11 52 (6.26%) Release Management
12 51 (6.14%) Migration
13 49 (5.90%) Analytics
14 47 (5.66%) SDLC
15 46 (5.54%) Front End Development
16 44 (5.29%) Full Stack Development
17 43 (5.17%) Performance Tuning
Programming Languages
1 387 (46.57%) Java
2 279 (33.57%) SQL
3 225 (27.08%) Python
4 114 (13.72%) JavaScript
5 98 (11.79%) Shell Script
6 76 (9.15%) Perl
7 66 (7.94%) Bash Shell
7 66 (7.94%) C++
8 54 (6.50%) Java 8
9 51 (6.14%) PowerShell
10 46 (5.54%) PL/SQL
11 42 (5.05%) Scala
12 38 (4.57%) C#
13 29 (3.49%) Ruby
14 27 (3.25%) C
15 24 (2.89%) Groovy
16 20 (2.41%) Java 11
17 17 (2.05%) PHP
18 16 (1.93%) Go
19 14 (1.68%) VB
Qualifications
1 41 (4.93%) Degree
2 16 (1.93%) Computer Science Degree
3 15 (1.81%) Security Cleared
4 14 (1.68%) SC Cleared
5 6 (0.72%) Master's Degree
6 5 (0.60%) DV Cleared
7 4 (0.48%) CCNA
7 4 (0.48%) Cisco Certification
7 4 (0.48%) CISSP
7 4 (0.48%) GIAC
7 4 (0.48%) OCP
7 4 (0.48%) Oracle Certification
8 3 (0.36%) CCNP
8 3 (0.36%) CISA
8 3 (0.36%) CISM
8 3 (0.36%) GCFA
8 3 (0.36%) GCIH
8 3 (0.36%) MCSE
8 3 (0.36%) Microsoft Certification
8 3 (0.36%) PMI Certification
Quality Assurance & Compliance
1 39 (4.69%) QA
2 17 (2.05%) Accessibility
3 10 (1.20%) Data Quality
4 8 (0.96%) SLA
5 7 (0.84%) GDPR
6 5 (0.60%) ISO/IEC 27001
7 3 (0.36%) MiFID
8 2 (0.24%) SEPA
9 1 (0.12%) FINREP
9 1 (0.12%) FISMA
9 1 (0.12%) IFRS
9 1 (0.12%) IFRS 9
9 1 (0.12%) ISO/IEC 20000
9 1 (0.12%) ISO/IEC 27005
9 1 (0.12%) NIST
9 1 (0.12%) PMO
9 1 (0.12%) Sarbanes-Oxley
System Software
1 117 (14.08%) Docker
2 42 (5.05%) Active Directory
3 35 (4.21%) VMware Infrastructure
4 8 (0.96%) NFS
4 8 (0.96%) Oracle RAC
4 8 (0.96%) VMware ESXi
5 6 (0.72%) HDFS
6 5 (0.60%) Virtual Machines
7 4 (0.48%) Veritas Volume Manager
8 3 (0.36%) BitLocker
8 3 (0.36%) Hyper-V
8 3 (0.36%) Veritas File System
8 3 (0.36%) Virtual Desktop
9 2 (0.24%) Apache Flume
9 2 (0.24%) KVM
9 2 (0.24%) pfSense
9 2 (0.24%) Veritas Cluster Server
9 2 (0.24%) Xen
10 1 (0.12%) Apache ZooKeeper
10 1 (0.12%) OCFS2
Systems Management
1 122 (14.68%) Kubernetes
2 109 (13.12%) Ansible
3 59 (7.10%) Terraform
4 47 (5.66%) Puppet
5 28 (3.37%) ITRS Geneos
6 21 (2.53%) Grafana
7 20 (2.41%) Prometheus
8 18 (2.17%) BladeLogic
9 17 (2.05%) Opscode Chef
10 15 (1.81%) Kibana
10 15 (1.81%) Single Sign-On
11 13 (1.56%) Control-M
11 13 (1.56%) Netcool
11 13 (1.56%) Oozie
12 9 (1.08%) SCCM
13 8 (0.96%) Docker Swarm
13 8 (0.96%) logstash
14 7 (0.84%) HP ALM
14 7 (0.84%) Nagios
14 7 (0.84%) Packer
Vendors
1 208 (25.03%) Oracle
2 56 (6.74%) Microsoft
3 52 (6.26%) Sybase
4 42 (5.05%) Red Hat
5 41 (4.93%) Splunk
5 41 (4.93%) VMware
6 33 (3.97%) Murex
7 32 (3.85%) IBM
8 29 (3.49%) Citrix
9 22 (2.65%) Google
10 20 (2.41%) Atlassian
11 19 (2.29%) CyberArk
12 17 (2.05%) HP
13 15 (1.81%) New Relic
14 14 (1.68%) Cisco
14 14 (1.68%) EMC
14 14 (1.68%) TIBCO
15 11 (1.32%) Reuters
15 11 (1.32%) Sun
16 10 (1.20%) SAP