Period
to 18 January 2022

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 18 January 2022 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
18 Jan 2022
Same period 2021 Same period 2020
Rank 101 110 110
Rank change year-on-year +9 0 -42
Contract jobs citing Unix 990 431 711
As % of all contract jobs advertised in London 2.65% 2.50% 2.37%
As % of the Operating Systems category 18.49% 15.74% 13.45%
Number of daily rates quoted 755 306 453
10th Percentile £425 £375 £363
25th Percentile £513 £463 £425
Median daily rate (50th Percentile) £600 £575 £525
Median % change year-on-year +4.35% +9.52% -
75th Percentile £675 £675 £625
90th Percentile £734 £700 £675
England median daily rate £550 £500 £475
% change year-on-year +10.00% +5.26% -2.56%
Number of hourly rates quoted 2 6 3
10th Percentile - £35.25 -
25th Percentile - £36.94 £25.25
Median hourly rate £40.00 £47.25 £26.50
Median % change year-on-year -15.34% +78.30% -33.75%
75th Percentile - £58.44 £37.63
90th Percentile - £60.00 £43.55
England median hourly rate £43.69 £39.00 £41.00
% change year-on-year +12.02% -4.88% +17.14%

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 5,355 2,739 5,286
As % of all contract IT jobs advertised in London 14.32% 15.87% 17.59%
Number of daily rates quoted 3,961 1,945 3,717
10th Percentile £231 £231 £158
25th Percentile £425 £363 £300
Median daily rate (50th Percentile) £545 £475 £450
Median % change year-on-year +14.74% +5.56% -7.69%
75th Percentile £650 £575 £575
90th Percentile £725 £654 £650
England median daily rate £494 £430 £413
% change year-on-year +14.94% +4.24% -2.94%
Number of hourly rates quoted 104 33 173
10th Percentile £15.00 £18.40 £14.00
25th Percentile £19.88 £22.25 £18.00
Median hourly rate £24.50 £29.65 £20.83
Median % change year-on-year -17.37% +42.34% +11.39%
75th Percentile £46.92 £47.12 £40.00
90th Percentile £63.48 £63.20 £53.28
England median hourly rate £20.00 £17.50 £17.12
% change year-on-year +14.29% +2.22% -1.21%

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 18 January 2022.

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
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 18 January 2022. 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 -22 96 £575 +6.98% 59
West London -1 32 £669 +16.35% 9
South London -8 5 £425 +11.48% 2
East London -8 2 - - 9
Unix
England

For the 6 months to 18 January 2022, 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.

1 642 (64.85%) Linux
2 401 (40.51%) Java
3 386 (38.99%) Agile Software Development
4 327 (33.03%) SQL
5 303 (30.61%) Finance
6 270 (27.27%) Python
7 237 (23.94%) Banking
8 225 (22.73%) Oracle
9 214 (21.62%) Windows
10 207 (20.91%) DevOps
11 191 (19.29%) Social Skills
12 182 (18.38%) AWS
13 178 (17.98%) Git (software)
13 178 (17.98%) Jenkins
14 175 (17.68%) Docker
15 173 (17.47%) Kubernetes
16 171 (17.27%) SQL Server
17 170 (17.17%) Test Automation
18 165 (16.67%) TDD
19 161 (16.26%) Shell Script
20 155 (15.66%) Front Office
21 150 (15.15%) JavaScript
22 149 (15.05%) Ansible
23 148 (14.95%) Azure
24 142 (14.34%) Investment Banking
25 136 (13.74%) Spring
26 127 (12.83%) Relational Database
27 125 (12.63%) JIRA
27 125 (12.63%) Microservices
28 119 (12.02%) Bash

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 58 (5.86%) Confluence
2 54 (5.45%) IIS
3 53 (5.35%) Apache
4 45 (4.55%) JBoss
5 44 (4.44%) Red Hat Fuse
6 43 (4.34%) Mule
7 39 (3.94%) Apache Spark
7 39 (3.94%) CMS
7 39 (3.94%) Tomcat
8 26 (2.63%) WebLogic
9 21 (2.12%) WebSphere
10 20 (2.02%) Cloud Foundry
11 15 (1.52%) SharePoint
12 14 (1.41%) OpenStack
13 8 (0.81%) nginx
13 8 (0.81%) Oracle SOA Suite
14 7 (0.71%) Elasticsearch
15 6 (0.61%) Adobe Experience Manager
15 6 (0.61%) Appian
16 5 (0.51%) SAS
Applications
1 26 (2.63%) MS Visio
2 24 (2.42%) Microsoft Excel
2 24 (2.42%) Microsoft PowerPoint
3 15 (1.52%) Microsoft Office
4 6 (0.61%) Microsoft Project
5 3 (0.30%) Spreadsheet
6 1 (0.10%) Photoshop
6 1 (0.10%) Siemens NX
Business Applications
1 21 (2.12%) BusinessWorks
1 21 (2.12%) ION MarketView
2 12 (1.21%) TIBCO iProcess
3 5 (0.51%) Oracle Cash Management
4 4 (0.40%) Refinitiv Enterprise Platform
4 4 (0.40%) RMDS
5 3 (0.30%) Eikon
5 3 (0.30%) Oracle EBS
5 3 (0.30%) Temenos Globus
5 3 (0.30%) Temenos T24
6 2 (0.20%) NetSuite
7 1 (0.10%) Maximo
7 1 (0.10%) Oracle Applications
7 1 (0.10%) SAP S/4HANA
7 1 (0.10%) Sentinel
7 1 (0.10%) Teamcenter
Cloud Services
1 182 (18.38%) AWS
2 148 (14.95%) Azure
3 85 (8.59%) PaaS
4 66 (6.67%) IaaS
5 56 (5.66%) GitHub
6 47 (4.75%) GCP
7 35 (3.54%) Amazon S3
8 30 (3.03%) Azure Active Directory
8 30 (3.03%) SaaS
9 28 (2.83%) Amazon EC2
10 27 (2.73%) OpenShift
11 22 (2.22%) NuGet
12 21 (2.12%) AWS CloudFormation
13 20 (2.02%) Power Platform
14 19 (1.92%) Microsoft 365
15 16 (1.62%) Amazon EKS
15 16 (1.62%) Serverless
16 12 (1.21%) GitHub Actions
17 9 (0.91%) Datadog
18 8 (0.81%) Amazon CloudWatch
Communications & Networking
1 77 (7.78%) Firewall
2 51 (5.15%) TCP/IP
3 44 (4.44%) DNS
4 39 (3.94%) HTTP
5 29 (2.93%) Network Security
6 20 (2.02%) SSL
7 19 (1.92%) HTTPS
8 18 (1.82%) SAN
9 17 (1.72%) WAN
10 15 (1.52%) DHCP
10 15 (1.52%) LAN
10 15 (1.52%) NAS
10 15 (1.52%) VPN
11 14 (1.41%) Internet
12 13 (1.31%) Multicast
13 11 (1.11%) Kerberos
14 9 (0.91%) FIX Connectivity
15 8 (0.81%) FTP
15 8 (0.81%) Intranet
15 8 (0.81%) iSCSI
Database & Business Intelligence
1 171 (17.27%) SQL Server
2 127 (12.83%) Relational Database
3 59 (5.96%) PostgreSQL
4 52 (5.25%) NoSQL
5 50 (5.05%) MySQL
6 42 (4.24%) Data Warehouse
7 35 (3.54%) Big Data
7 35 (3.54%) Oracle Database
8 31 (3.13%) MongoDB
9 25 (2.53%) Hadoop
9 25 (2.53%) Tableau
10 20 (2.02%) Apache Hive
10 20 (2.02%) RDBMS
11 19 (1.92%) Amazon RDS
11 19 (1.92%) Oracle Database 12c
11 19 (1.92%) Power BI
12 18 (1.82%) DataStage
13 16 (1.62%) Redis
14 15 (1.52%) Amazon Redshift
14 15 (1.52%) BusinessObjects
Development Applications
1 178 (17.98%) Git (software)
1 178 (17.98%) Jenkins
2 125 (12.63%) JIRA
3 67 (6.77%) Subversion
4 61 (6.16%) Bitbucket
4 61 (6.16%) Cucumber
4 61 (6.16%) Selenium
5 50 (5.05%) Maven
6 48 (4.85%) TeamCity
7 44 (4.44%) Sonatype Nexus
8 41 (4.14%) Artifactory
9 38 (3.84%) SonarQube
10 37 (3.74%) GitLab
11 24 (2.42%) Mockito
11 24 (2.42%) Robot Framework
12 22 (2.22%) JUnit
13 18 (1.82%) Atlassian Bamboo
14 16 (1.62%) CircleCI
14 16 (1.62%) Hudson
15 15 (1.52%) jMock
General
1 303 (30.61%) Finance
2 237 (23.94%) Banking
3 191 (19.29%) Social Skills
4 155 (15.66%) Front Office
5 142 (14.34%) Investment Banking
6 102 (10.30%) Analytical Skills
7 32 (3.23%) Public Sector
8 28 (2.83%) Financial Institution
9 27 (2.73%) Back Office
10 26 (2.63%) Telecoms
11 21 (2.12%) Marketing
12 13 (1.31%) Electronics
12 13 (1.31%) Publishing
13 12 (1.21%) Manufacturing
13 12 (1.21%) Retail
14 10 (1.01%) Documentation Skills
15 9 (0.91%) Legal
15 9 (0.91%) Presentation Skills
15 9 (0.91%) Retail Banking
16 7 (0.71%) Organisational Skills
Job Titles
1 372 (37.58%) Developer
2 161 (16.26%) Java Developer
3 71 (7.17%) Analyst
4 70 (7.07%) DevOps Engineer
5 68 (6.87%) Architect
6 65 (6.57%) Senior Developer
7 50 (5.05%) Data Engineer
8 40 (4.04%) Integration Developer
9 34 (3.43%) Consultant
9 34 (3.43%) Support Analyst
10 33 (3.33%) Unix Engineer
11 30 (3.03%) React Developer
12 28 (2.83%) Business Analyst
12 28 (2.83%) Enterprise Integration Developer
13 27 (2.73%) Senior React Developer
14 24 (2.42%) Administrator
14 24 (2.42%) Technical Architect
15 23 (2.32%) Front End Developer (Client-Side Developer)
16 22 (2.22%) AWS Engineer
17 21 (2.12%) Cloud Engineer
Libraries, Frameworks & Software Standards
1 136 (13.74%) Spring
2 108 (10.91%) REST
3 92 (9.29%) HTML
4 88 (8.89%) Middleware
5 85 (8.59%) CSS
6 66 (6.67%) React
6 66 (6.67%) XML
7 64 (6.46%) J2EE
8 62 (6.26%) Web Services
9 61 (6.16%) .NET
10 55 (5.56%) JSON
11 53 (5.35%) RESTful
12 50 (5.05%) Kafka
13 48 (4.85%) Hibernate
14 46 (4.65%) Apache Camel
15 43 (4.34%) JTA
15 43 (4.34%) JTS
16 42 (4.24%) FIX Protocol
16 42 (4.24%) Spring Boot
17 41 (4.14%) Rendezvous
Miscellaneous
1 61 (6.16%) Cloud Native
1 61 (6.16%) Foreign Exchange (FX)
2 54 (5.45%) Fixed Income
3 53 (5.35%) Derivative
4 39 (3.94%) Public Cloud
5 35 (3.54%) Equities
5 35 (3.54%) Management Information System
5 35 (3.54%) User Experience
6 34 (3.43%) Algorithms
7 31 (3.13%) Data Structures
8 30 (3.03%) Data Protection Act
9 25 (2.53%) Data Centre
10 22 (2.22%) Linux Command Line
11 17 (1.72%) Private Cloud
12 14 (1.41%) Greenfield Project
12 14 (1.41%) PKI
13 12 (1.21%) Blog
14 10 (1.01%) Equity Derivative
15 9 (0.91%) Clustering
15 9 (0.91%) Hedge funds
Operating Systems
1 642 (64.85%) Linux
2 214 (21.62%) Windows
3 75 (7.58%) Red Hat Enterprise Linux
4 40 (4.04%) Mac OS X
4 40 (4.04%) Solaris
5 37 (3.74%) Mac OS
6 29 (2.93%) Windows Server
7 27 (2.73%) Ubuntu
8 15 (1.52%) CentOS
9 14 (1.41%) Oracle Linux
10 12 (1.21%) AIX
10 12 (1.21%) Mesosphere
11 7 (0.71%) SUSE
12 6 (0.61%) Amazon Linux
12 6 (0.61%) Debian
13 4 (0.40%) Windows 10
13 4 (0.40%) Windows Server 2016
13 4 (0.40%) Windows Server 2019
14 3 (0.30%) Fedora
14 3 (0.30%) SUSE Linux Enterprise Server
Processes & Methodologies
1 386 (38.99%) Agile Software Development
2 207 (20.91%) DevOps
3 170 (17.17%) Test Automation
4 165 (16.67%) TDD
5 125 (12.63%) Microservices
6 87 (8.79%) Continuous Integration
7 84 (8.48%) Migration
8 76 (7.68%) Configuration Management
9 75 (7.58%) BDD
9 75 (7.58%) Problem-Solving
10 74 (7.47%) Release Management
11 72 (7.27%) ITIL
11 72 (7.27%) Scrum
12 71 (7.17%) Continuous Improvement
13 67 (6.77%) Electronic Trading
13 67 (6.77%) SDLC
14 64 (6.46%) Analytics
15 62 (6.26%) Front End Development
16 53 (5.35%) Software Engineering
17 52 (5.25%) Kanban
Programming Languages
1 401 (40.51%) Java
2 327 (33.03%) SQL
3 270 (27.27%) Python
4 161 (16.26%) Shell Script
5 150 (15.15%) JavaScript
6 119 (12.02%) Bash
7 80 (8.08%) Perl
8 71 (7.17%) Ruby
9 63 (6.36%) PL/SQL
10 56 (5.66%) C#
11 55 (5.56%) PowerShell
12 49 (4.95%) C++
13 44 (4.44%) Groovy
14 38 (3.84%) Java 8
15 32 (3.23%) Scala
16 25 (2.53%) Go
17 20 (2.02%) C
18 19 (1.92%) Java 11
19 16 (1.62%) VB
20 13 (1.31%) PHP
Qualifications
1 38 (3.84%) Degree
2 32 (3.23%) Security Cleared
3 28 (2.83%) SC Cleared
4 19 (1.92%) Computer Science Degree
5 8 (0.81%) Cisco Certification
6 7 (0.71%) AWS Certification
6 7 (0.71%) ISEB
6 7 (0.71%) ISTQB
6 7 (0.71%) ISTQB Foundation Certification
6 7 (0.71%) ITIL Foundation Certificate
7 5 (0.51%) CCIE
8 4 (0.40%) BPSS Clearance
8 4 (0.40%) CCIE Security
8 4 (0.40%) CISA
8 4 (0.40%) CISM
8 4 (0.40%) CISSP
8 4 (0.40%) DV Cleared
8 4 (0.40%) RHCSA
9 3 (0.30%) OCP
9 3 (0.30%) Oracle Certification
Quality Assurance & Compliance
1 53 (5.35%) QA
2 40 (4.04%) Accessibility
3 15 (1.52%) Dodd-Frank
3 15 (1.52%) EMIR
3 15 (1.52%) MiFID
4 10 (1.01%) GDPR
5 9 (0.91%) SLA
6 6 (0.61%) Data Quality
7 4 (0.40%) NIST
8 3 (0.30%) COBIT
8 3 (0.30%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
9 2 (0.20%) HL7
9 2 (0.20%) ISO/IEC 20000
9 2 (0.20%) PMO
10 1 (0.10%) Basel III
10 1 (0.10%) CRD IV
10 1 (0.10%) Cyber Essentials
10 1 (0.10%) HIPAA
10 1 (0.10%) ISO/IEC 27001
10 1 (0.10%) PCI DSS
System Software
1 175 (17.68%) Docker
2 61 (6.16%) Active Directory
3 25 (2.53%) VMware Infrastructure
4 10 (1.01%) Virtual Machines
5 9 (0.91%) Oracle RAC
6 8 (0.81%) NFS
7 7 (0.71%) vCloud
7 7 (0.71%) VMware Workstation
8 5 (0.51%) Hyper-V
9 3 (0.30%) Citrix Hypervisor
9 3 (0.30%) HDFS
9 3 (0.30%) VMware ESXi
9 3 (0.30%) VMware NSX
9 3 (0.30%) vSphere
10 2 (0.20%) Active Directory Lightweight Directory Services
10 2 (0.20%) Apache Flume
10 2 (0.20%) BitLocker
10 2 (0.20%) iptables
10 2 (0.20%) KVM
10 2 (0.20%) Veritas Volume Manager
Systems Management
1 173 (17.47%) Kubernetes
2 149 (15.05%) Ansible
3 111 (11.21%) Terraform
4 64 (6.46%) BladeLogic
5 59 (5.96%) Puppet
6 53 (5.35%) ITRS Geneos
7 21 (2.12%) Netcool
8 20 (2.02%) Grafana
8 20 (2.02%) Prometheus
9 13 (1.31%) Istio
10 12 (1.21%) Docker Swarm
10 12 (1.21%) HP Fortify
10 12 (1.21%) Kibana
10 12 (1.21%) Nagios
11 11 (1.11%) Opscode Chef
12 9 (0.91%) Oozie
12 9 (0.91%) Oracle RMAN
12 9 (0.91%) Single Sign-On
13 8 (0.81%) NetBackup
14 7 (0.71%) Data Guard
Vendors
1 225 (22.73%) Oracle
2 108 (10.91%) Microsoft
3 77 (7.78%) Splunk
4 55 (5.56%) Red Hat
4 55 (5.56%) TIBCO
5 53 (5.35%) Sybase
6 46 (4.65%) IBM
7 42 (4.24%) AppDynamics
8 40 (4.04%) VMware
9 35 (3.54%) CyberArk
10 33 (3.33%) Google
11 32 (3.23%) Bloomberg
12 31 (3.13%) ION Trading
13 24 (2.42%) New Relic
14 23 (2.32%) Reuters
15 22 (2.22%) BMC
16 21 (2.12%) Informatica
16 21 (2.12%) Murex
17 19 (1.92%) Ab Initio
17 19 (1.92%) Atlassian