Period
to 21 February 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 21 February 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
21 Feb 2020
Same period 2019 Same period 2018
Rank 113 73 45
Rank change year-on-year -40 -28 -8
Contract jobs citing Unix 660 1,559 2,291
As % of all contract IT jobs advertised in London 2.32% 3.54% 4.88%
As % of the Operating Systems category 13.48% 18.52% 23.66%
Number of daily rates quoted 417 1,089 1,618
London median daily rate £525 £525 £525
10th Percentile £350 £363 £387
90th Percentile £688 £688 £675
England median daily rate £475 £492 £500
% change year-on-year -3.36% -1.70% +13.64%
Number of hourly rates quoted 2 1 15
London median hourly rate £40.00 £22.50 £32.00
Median hourly rate % change year-on-year +77.78% -29.69% -20.00%
10th Percentile £35.75 £21.25 £26.75
90th Percentile £46.25 £23.75 £57.50
England median hourly rate £40.00 £35.00 £32.50
% change year-on-year +14.29% +7.69% -9.72%

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 4,896 8,419 9,681
As % of all contract IT jobs advertised in London 17.19% 19.13% 20.62%
Number of daily rates quoted 3,335 5,859 6,916
London median daily rate £450 £488 £475
Median daily rate % change year-on-year -7.69% +2.63% +5.56%
10th Percentile £158 £180 £203
90th Percentile £650 £650 £650
England median daily rate £415 £433 £425
% change year-on-year -4.05% +1.76% +3.03%
Number of hourly rates quoted 175 235 295
London median hourly rate £21.50 £19.00 £18.70
Median hourly rate % change year-on-year +13.16% +1.60% -6.50%
10th Percentile £15.19 £12.50 £12.00
90th Percentile £63.75 £47.20 £47.83
England median hourly rate £17.50 £17.25 £17.30
% change year-on-year +1.45% -0.29% +4.85%

Unix
Job Vacancy Trend in London

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

Job vacancy trend for Unix in London

Unix
Contractor Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Unix in London.

Contractor daily rate trend for Unix in London

Unix
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Unix in London over the 6 months to 21 February 2020.

Contractor daily rate histogram for Unix in London

Unix
Contractor Hourly Rate Trend in London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Unix in London.

Contractor 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 21 February 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 -22 122 £525 -2.33% 70
West London -23 24 £475 -5.00% 25
East London +56 14 £525 +2.44% 9
South London -36 13 £524 -0.24% 3
North London -7 1 - - 2
Unix
England

For the 6 months to 21 February 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.

1 411 (62.27%) Linux
2 263 (39.85%) SQL
3 255 (38.64%) Java
4 231 (35.00%) Agile Software Development
5 214 (32.42%) Python
6 202 (30.61%) Oracle
7 175 (26.52%) Finance
8 156 (23.64%) DevOps
9 145 (21.97%) Windows
10 127 (19.24%) AWS
11 124 (18.79%) Git (software)
12 116 (17.58%) Shell Script
13 115 (17.42%) Docker
14 106 (16.06%) Continuous Integration
14 106 (16.06%) Banking
15 98 (14.85%) TDD
16 97 (14.70%) Azure
17 90 (13.64%) Kubernetes
18 88 (13.33%) Test Automation
19 83 (12.58%) PL/SQL
20 78 (11.82%) JavaScript
20 78 (11.82%) Jenkins
21 73 (11.06%) Ansible
21 73 (11.06%) Microservices
21 73 (11.06%) JIRA
22 70 (10.61%) MongoDB
22 70 (10.61%) Perl
23 64 (9.70%) Analytical Skills
24 62 (9.39%) Oracle Database
25 61 (9.24%) Spring

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 37 (5.61%) Confluence
2 36 (5.45%) Tomcat
3 35 (5.30%) Apache Spark
4 34 (5.15%) WebLogic
5 26 (3.94%) Apache
6 18 (2.73%) Elasticsearch
7 16 (2.42%) WebSphere
8 10 (1.52%) Cloud Foundry
9 8 (1.21%) Oracle SOA Suite
10 7 (1.06%) Oracle Workflow
11 5 (0.76%) CMS
11 5 (0.76%) DataSynapse
11 5 (0.76%) OpenStack
11 5 (0.76%) SAS
12 4 (0.61%) IIS
12 4 (0.61%) JBoss
13 3 (0.45%) Apache Airflow
13 3 (0.45%) Oracle Coherence
13 3 (0.45%) SharePoint
13 3 (0.45%) WebSphere Application Server
Applications
1 9 (1.36%) Microsoft Excel
2 8 (1.21%) Microsoft Office
3 1 (0.15%) Microsoft PowerPoint
Business Applications
1 7 (1.06%) Oracle EBS
2 6 (0.91%) BusinessWorks
3 5 (0.76%) Oracle Receivables
4 4 (0.61%) Oracle Payables
4 4 (0.61%) Sparx Enterprise Architect
5 3 (0.45%) Aligne
5 3 (0.45%) SAP MM
5 3 (0.45%) Temenos T24
6 2 (0.30%) Actimize
6 2 (0.30%) Oracle Subledger Accounting
6 2 (0.30%) Temenos Globus
7 1 (0.15%) Dynamics CRM
7 1 (0.15%) Magento
7 1 (0.15%) Oracle Applications
7 1 (0.15%) Oracle Cash Management
7 1 (0.15%) Oracle EBS R12
7 1 (0.15%) RMDS
7 1 (0.15%) Salesforce.com CRM
7 1 (0.15%) SAP ERP
Cloud Services
1 127 (19.24%) AWS
2 97 (14.70%) Azure
3 43 (6.52%) GitHub
4 25 (3.79%) Amazon S3
4 25 (3.79%) GCP
5 24 (3.64%) Amazon EC2
6 23 (3.48%) AWS Lambda
6 23 (3.48%) Serverless
7 17 (2.58%) OpenShift
8 13 (1.97%) Amazon Glacier
8 13 (1.97%) Amazon Kinesis
9 12 (1.82%) IaaS
9 12 (1.82%) npm
10 10 (1.52%) PaaS
10 10 (1.52%) Route 53
11 9 (1.36%) Amazon EKS
11 9 (1.36%) Amazon SQS
11 9 (1.36%) AWS CloudFormation
11 9 (1.36%) Office 365
12 8 (1.21%) Azure Active Directory
Communications & Networking
1 34 (5.15%) Firewall
2 26 (3.94%) TCP/IP
3 25 (3.79%) HTTP
4 19 (2.88%) DNS
5 12 (1.82%) WAN
6 11 (1.67%) Network Security
6 11 (1.67%) SAN
6 11 (1.67%) SSL
6 11 (1.67%) VPN
7 9 (1.36%) Intrusion Detection
7 9 (1.36%) LAN
8 7 (1.06%) IPsec
8 7 (1.06%) Kerberos
9 6 (0.91%) BGP
9 6 (0.91%) HTTPS
9 6 (0.91%) Internet
9 6 (0.91%) SNMP
10 5 (0.76%) MPLS
10 5 (0.76%) OSPF
10 5 (0.76%) Wireless
Database & Business Intelligence
1 70 (10.61%) MongoDB
2 62 (9.39%) Oracle Database
3 54 (8.18%) Big Data
3 54 (8.18%) Relational Database
4 51 (7.73%) Hadoop
4 51 (7.73%) NoSQL
4 51 (7.73%) SQL Server
5 37 (5.61%) MySQL
6 27 (4.09%) PostgreSQL
7 24 (3.64%) Data Warehouse
8 21 (3.18%) Amazon RDS
9 19 (2.88%) Oracle Database 12c
9 19 (2.88%) RDBMS
10 18 (2.73%) HBase
10 18 (2.73%) Oracle Database 11g
11 16 (2.42%) Oracle Reports
12 15 (2.27%) Apache Hive
12 15 (2.27%) Pentaho
13 13 (1.97%) Redis
14 12 (1.82%) BusinessObjects
Development Applications
1 124 (18.79%) Git (software)
2 78 (11.82%) Jenkins
3 73 (11.06%) JIRA
4 39 (5.91%) Maven
5 26 (3.94%) Subversion
6 23 (3.48%) JUnit
6 23 (3.48%) Selenium
7 20 (3.03%) Mockito
8 16 (2.42%) Ant
9 15 (2.27%) Atlassian Bamboo
10 12 (1.82%) TeamCity
11 11 (1.67%) Cucumber
12 10 (1.52%) GitLab
12 10 (1.52%) Travis CI
13 8 (1.21%) Bitbucket Server
13 8 (1.21%) CA Gen
13 8 (1.21%) Oracle Forms
14 7 (1.06%) Artifactory
14 7 (1.06%) Bitbucket
15 6 (0.91%) SonarQube
General
1 175 (26.52%) Finance
2 106 (16.06%) Banking
3 36 (5.45%) Public Sector
4 34 (5.15%) Investment Banking
5 31 (4.70%) Front Office
6 13 (1.97%) Financial Institution
7 10 (1.52%) Telecoms
8 9 (1.36%) Retail Banking
9 7 (1.06%) Legal
9 7 (1.06%) Marketing
10 6 (0.91%) Games
10 6 (0.91%) Retail
11 2 (0.30%) Manufacturing
12 1 (0.15%) Advertising
12 1 (0.15%) Back Office
12 1 (0.15%) Billing
12 1 (0.15%) Electronics
12 1 (0.15%) Military
12 1 (0.15%) Pharmaceutical
12 1 (0.15%) Publishing
Job Titles
1 251 (38.03%) Developer
2 76 (11.52%) Java Developer
3 63 (9.55%) Analyst
4 51 (7.73%) Senior Developer
5 49 (7.42%) DevOps Engineer
6 47 (7.12%) Architect
7 46 (6.97%) Administrator
8 34 (5.15%) Support Analyst
9 31 (4.70%) C++ Developer
10 28 (4.24%) Consultant
11 22 (3.33%) Senior Java Developer
11 22 (3.33%) Support Engineer
12 21 (3.18%) Technical Architect
13 20 (3.03%) Systems Administrator
14 18 (2.73%) Applications Support
14 18 (2.73%) Python Developer
14 18 (2.73%) Python Engineer
14 18 (2.73%) Unix Engineer
15 17 (2.58%) Linux Engineer
15 17 (2.58%) Oracle Developer
Libraries, Frameworks & Software Standards
1 61 (9.24%) Spring
2 58 (8.79%) Web Services
3 50 (7.58%) XML
4 43 (6.52%) HTML
5 39 (5.91%) REST
6 35 (5.30%) Kafka
7 29 (4.39%) CSS
7 29 (4.39%) Node.js
7 29 (4.39%) Spring Boot
8 28 (4.24%) Middleware
8 28 (4.24%) RESTful
9 26 (3.94%) AngularJS
10 25 (3.79%) J2EE
10 25 (3.79%) SOAP
11 22 (3.33%) STL
12 21 (3.18%) .NET
13 19 (2.88%) Django
14 18 (2.73%) JAX-RS
15 17 (2.58%) JSON
16 16 (2.42%) ActiveMQ
Miscellaneous
1 64 (9.70%) Analytical Skills
2 31 (4.70%) Linux Command Line
3 19 (2.88%) Data Structures
4 16 (2.42%) Blog
4 16 (2.42%) User Experience
5 15 (2.27%) Foreign Exchange (FX)
6 14 (2.12%) Cloud Native
6 14 (2.12%) Management Information System
7 13 (1.97%) Derivative
7 13 (1.97%) Public Cloud
7 13 (1.97%) Replication
8 12 (1.82%) Data Centre
9 10 (1.52%) Hedge funds
9 10 (1.52%) Private Cloud
10 9 (1.36%) Security Operations Centre
11 8 (1.21%) Algorithms
11 8 (1.21%) Credit Risk
12 7 (1.06%) Enterprise Software
12 7 (1.06%) PKI
12 7 (1.06%) SWIFT
Operating Systems
1 411 (62.27%) Linux
2 145 (21.97%) Windows
3 50 (7.58%) Solaris
4 47 (7.12%) Red Hat Enterprise Linux
5 39 (5.91%) Mac OS
6 38 (5.76%) Mac OS X
7 31 (4.70%) Windows Server
8 19 (2.88%) Ubuntu
9 13 (1.97%) CentOS
10 10 (1.52%) SUSE Linux Enterprise Server
11 8 (1.21%) AIX
11 8 (1.21%) Debian
11 8 (1.21%) Oracle Linux
12 6 (0.91%) SUSE
13 4 (0.61%) Windows 10
13 4 (0.61%) Windows Server 2003
14 3 (0.45%) Android
14 3 (0.45%) Windows Server 2008
15 2 (0.30%) Check Point GAiA
15 2 (0.30%) Windows XP
Processes & Methodologies
1 231 (35.00%) Agile Software Development
2 156 (23.64%) DevOps
3 106 (16.06%) Continuous Integration
4 98 (14.85%) TDD
5 88 (13.33%) Test Automation
6 73 (11.06%) Microservices
7 55 (8.33%) Continuous Deployment
8 53 (8.03%) ITIL
9 52 (7.88%) ETL
9 52 (7.88%) Migration
10 50 (7.58%) Data Modelling
11 45 (6.82%) OO
11 45 (6.82%) Performance Tuning
12 43 (6.52%) SDLC
12 43 (6.52%) Software Engineering
13 42 (6.36%) Problem-Solving
14 40 (6.06%) Configuration Management
15 39 (5.91%) Business Intelligence
16 38 (5.76%) Scrum
17 36 (5.45%) Continuous Improvement
Programming Languages
1 263 (39.85%) SQL
2 255 (38.64%) Java
3 214 (32.42%) Python
4 116 (17.58%) Shell Script
5 83 (12.58%) PL/SQL
6 78 (11.82%) JavaScript
7 70 (10.61%) Perl
8 55 (8.33%) Bash Shell
9 53 (8.03%) Ruby
10 51 (7.73%) C++
11 39 (5.91%) Scala
12 30 (4.55%) Java 8
13 24 (3.64%) Go
14 21 (3.18%) PowerShell
15 18 (2.73%) C#
16 17 (2.58%) C
17 12 (1.82%) R
18 10 (1.52%) PHP
19 9 (1.36%) Groovy
20 8 (1.21%) Kotlin
Qualifications
1 52 (7.88%) Security Cleared
2 44 (6.67%) SC Cleared
3 36 (5.45%) Degree
4 14 (2.12%) BPSS Clearance
4 14 (2.12%) Computer Science Degree
5 12 (1.82%) AWS Certification
6 9 (1.36%) CISSP
7 8 (1.21%) Cisco Certification
8 7 (1.06%) CCNA
9 6 (0.91%) CISM
10 5 (0.76%) CCNP
11 4 (0.61%) Dell Certification
11 4 (0.61%) DV Cleared
11 4 (0.61%) ISEB
11 4 (0.61%) Master's Degree
11 4 (0.61%) OCPJP
12 3 (0.45%) CCIE
12 3 (0.45%) DBS Check
12 3 (0.45%) ISTQB
12 3 (0.45%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 26 (3.94%) QA
2 16 (2.42%) PCI DSS
3 14 (2.12%) SLA
4 9 (1.36%) ISO/IEC 20000
5 6 (0.91%) ISO/IEC 27001
6 5 (0.76%) Disclosure Scotland
7 4 (0.61%) COBIT
7 4 (0.61%) Cyber Essentials
8 3 (0.45%) Sarbanes-Oxley
9 2 (0.30%) COREP
9 2 (0.30%) Data Quality
9 2 (0.30%) FINREP
9 2 (0.30%) HL7
10 1 (0.15%) ISO 20022
10 1 (0.15%) SEPA
10 1 (0.15%) TARGET2
10 1 (0.15%) WCAG
System Software
1 115 (17.42%) Docker
2 32 (4.85%) Active Directory
3 17 (2.58%) HDFS
4 14 (2.12%) VMware Infrastructure
5 12 (1.82%) Oracle RAC
5 12 (1.82%) Virtual Machines
6 7 (1.06%) Veritas Cluster Server
7 5 (0.76%) Veritas Volume Manager
7 5 (0.76%) VMware ESXi
7 5 (0.76%) zsh
8 4 (0.61%) Squid
9 3 (0.45%) OCFS2
9 3 (0.45%) vSphere
10 2 (0.30%) Firmware
10 2 (0.30%) Tivoli Workload Scheduler
10 2 (0.30%) VMware NSX
11 1 (0.15%) NFS
11 1 (0.15%) Samba
11 1 (0.15%) Snort
11 1 (0.15%) VMware Workstation
Systems Management
1 90 (13.64%) Kubernetes
2 73 (11.06%) Ansible
3 47 (7.12%) Terraform
4 44 (6.67%) Puppet
5 33 (5.00%) Opscode Chef
6 20 (3.03%) Kibana
7 17 (2.58%) Nagios
8 16 (2.42%) Hadoop YARN
9 15 (2.27%) ITRS Geneos
9 15 (2.27%) logstash
10 11 (1.67%) Data Guard
10 11 (1.67%) Prometheus
11 10 (1.52%) Packer
12 9 (1.36%) CFEngine
13 8 (1.21%) Oracle RMAN
13 8 (1.21%) SCCM
14 7 (1.06%) Control-M
15 6 (0.91%) Oracle ZFS
16 5 (0.76%) NetBackup
16 5 (0.76%) Single Sign-On
Vendors
1 202 (30.61%) Oracle
2 60 (9.09%) Splunk
3 57 (8.64%) Red Hat
4 50 (7.58%) Microsoft
5 43 (6.52%) Informatica
6 27 (4.09%) IBM
7 25 (3.79%) VMware
8 22 (3.33%) Google
8 22 (3.33%) SAP
9 16 (2.42%) HP
10 15 (2.27%) Cisco
10 15 (2.27%) Tableau
10 15 (2.27%) webMethods
11 14 (2.12%) Atlassian
11 14 (2.12%) Dell
11 14 (2.12%) TIBCO
12 13 (1.97%) Sybase
13 10 (1.52%) BEA
13 10 (1.52%) Pega
13 10 (1.52%) Teradata