Period
to 28 March 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 28 March 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
28 Mar 2020
Same period 2019 Same period 2018
Rank 107 78 49
Rank change year-on-year -29 -29 -12
Contract jobs citing Unix 615 1,331 2,175
As % of all contract jobs advertised in London 2.38% 3.12% 4.67%
As % of the Operating Systems category 13.59% 16.65% 22.67%
Number of daily rates quoted 411 918 1,556
Median daily rate £525 £525 £525
10th Percentile £350 £362 £375
90th Percentile £700 £688 £675
England median daily rate £475 £483 £500
% change year-on-year -1.66% -3.40% +11.11%
Number of hourly rates quoted 3 2 16
Median hourly rate £35.00 £57.50 £35.00
Median hourly rate % change year-on-year -39.13% +64.29% -19.54%
England median hourly rate £35.00 £35.00 £35.00

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 4,524 7,995 9,593
As % of all contract IT jobs advertised in London 17.52% 18.74% 20.58%
Number of daily rates quoted 3,097 5,539 6,830
Median daily rate £450 £475 £475
Median daily rate % change year-on-year -5.26% - +5.56%
10th Percentile £160 £180 £208
90th Percentile £650 £650 £650
England median daily rate £425 £433 £438
% change year-on-year -1.73% -1.14% +4.17%
Number of hourly rates quoted 157 218 305
Median hourly rate £23.00 £20.33 £18.70
Median hourly rate % change year-on-year +13.16% +8.69% -18.70%
10th Percentile £15.30 £13.18 £12.01
90th Percentile £64.25 £47.60 £47.83
Median hourly rate £17.50 £17.50 £17.36
% change year-on-year - +0.79% +5.23%

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 28 March 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
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 28 March 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 -9 111 £514 -6.59% 70
East London +60 21 £475 -13.64% 14
West London -17 15 £475 -5.00% 18
South London -15 14 £500 -4.76% 5
North London -8 1 - -
Unix
England

For the 6 months to 28 March 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.

1 380 (61.79%) Linux
2 266 (43.25%) SQL
3 233 (37.89%) Java
4 220 (35.77%) Agile Software Development
5 195 (31.71%) Oracle
6 171 (27.80%) Python
7 165 (26.83%) Finance
8 149 (24.23%) Windows
9 143 (23.25%) DevOps
10 126 (20.49%) AWS
11 116 (18.86%) Git (software)
12 111 (18.05%) Shell Script
13 108 (17.56%) Docker
14 104 (16.91%) Banking
15 99 (16.10%) TDD
16 98 (15.93%) Continuous Integration
17 96 (15.61%) Azure
18 90 (14.63%) Test Automation
19 88 (14.31%) Kubernetes
20 86 (13.98%) Jenkins
20 86 (13.98%) PL/SQL
21 78 (12.68%) JavaScript
22 75 (12.20%) JIRA
23 70 (11.38%) Ansible
24 67 (10.89%) Bash Shell
25 66 (10.73%) Microservices
25 66 (10.73%) Red Hat
26 65 (10.57%) Analytical Skills
27 63 (10.24%) Perl
28 59 (9.59%) 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 39 (6.34%) Confluence
2 36 (5.85%) WebLogic
3 33 (5.37%) Tomcat
4 26 (4.23%) Apache
5 25 (4.07%) Apache Spark
6 13 (2.11%) Oracle SOA Suite
7 12 (1.95%) Oracle Workflow
7 12 (1.95%) WebSphere
8 10 (1.63%) Cloud Foundry
9 8 (1.30%) Elasticsearch
10 7 (1.14%) SAS
11 6 (0.98%) SharePoint
12 5 (0.81%) CMS
12 5 (0.81%) DataSynapse
12 5 (0.81%) IIS
12 5 (0.81%) JBoss
12 5 (0.81%) OpenStack
13 4 (0.65%) Oracle Application Server
14 2 (0.33%) ColdFusion
14 2 (0.33%) IBM Transformation Extender
Applications
1 10 (1.63%) Microsoft Excel
2 8 (1.30%) Microsoft Office
Business Applications
1 8 (1.30%) Oracle EBS
2 5 (0.81%) BusinessWorks
2 5 (0.81%) Oracle Receivables
3 4 (0.65%) Oracle Payables
3 4 (0.65%) Sparx Enterprise Architect
4 3 (0.49%) SAP MM
4 3 (0.49%) Temenos T24
5 2 (0.33%) Oracle Applications
5 2 (0.33%) Temenos Globus
6 1 (0.16%) ION MarketView
6 1 (0.16%) Oracle Cash Management
6 1 (0.16%) Oracle EBS R12
6 1 (0.16%) Oracle ERP
6 1 (0.16%) Oracle Financials
6 1 (0.16%) Oracle Subledger Accounting
6 1 (0.16%) RMDS
6 1 (0.16%) Salesforce.com CRM
Cloud Services
1 126 (20.49%) AWS
2 96 (15.61%) Azure
3 35 (5.69%) GitHub
4 26 (4.23%) GCP
5 25 (4.07%) Amazon EC2
5 25 (4.07%) Amazon S3
6 17 (2.76%) AWS Lambda
6 17 (2.76%) Serverless
7 15 (2.44%) AWS CloudFormation
8 14 (2.28%) Amazon EKS
8 14 (2.28%) Office 365
9 13 (2.11%) OpenShift
10 12 (1.95%) npm
11 10 (1.63%) IaaS
11 10 (1.63%) Virtual Private Cloud
12 9 (1.46%) Amazon Glacier
12 9 (1.46%) Amazon Kinesis
13 8 (1.30%) Amazon EMR
13 8 (1.30%) PaaS
13 8 (1.30%) Power Platform
Communications & Networking
1 36 (5.85%) Firewall
2 33 (5.37%) DNS
3 28 (4.55%) TCP/IP
4 23 (3.74%) HTTP
5 16 (2.60%) SAN
6 14 (2.28%) VPN
7 11 (1.79%) WAN
8 10 (1.63%) LAN
8 10 (1.63%) Network Security
9 8 (1.30%) DHCP
10 7 (1.14%) IPsec
10 7 (1.14%) SSL
11 6 (0.98%) NetScaler
11 6 (0.98%) SNMP
12 5 (0.81%) BGP
12 5 (0.81%) Cisco ASA
12 5 (0.81%) Cisco IOS
12 5 (0.81%) MPLS
12 5 (0.81%) OSPF
12 5 (0.81%) Wireshark
Database & Business Intelligence
1 54 (8.78%) NoSQL
2 53 (8.62%) Big Data
2 53 (8.62%) MongoDB
2 53 (8.62%) Oracle Database
3 50 (8.13%) SQL Server
4 47 (7.64%) Relational Database
5 44 (7.15%) MySQL
6 40 (6.50%) Hadoop
7 25 (4.07%) Data Warehouse
8 21 (3.41%) PostgreSQL
9 19 (3.09%) Oracle Reports
10 18 (2.93%) Oracle Database 11g
10 18 (2.93%) Pentaho
10 18 (2.93%) Redis
11 17 (2.76%) Oracle Database 12c
12 15 (2.44%) Amazon RDS
12 15 (2.44%) HBase
13 13 (2.11%) RDBMS
14 12 (1.95%) BusinessObjects
14 12 (1.95%) Parquet
Development Applications
1 116 (18.86%) Git (software)
2 86 (13.98%) Jenkins
3 75 (12.20%) JIRA
4 38 (6.18%) Maven
5 26 (4.23%) Selenium
6 23 (3.74%) Subversion
7 22 (3.58%) JUnit
8 18 (2.93%) Mockito
9 16 (2.60%) Ant
9 16 (2.60%) Atlassian Bamboo
10 14 (2.28%) GitLab
11 12 (1.95%) Cucumber
12 9 (1.46%) Oracle Forms
12 9 (1.46%) Travis CI
13 8 (1.30%) Artifactory
13 8 (1.30%) Bitbucket
13 8 (1.30%) CA Gen
13 8 (1.30%) Team Foundation Server
13 8 (1.30%) TeamCity
14 7 (1.14%) Bitbucket Server
General
1 165 (26.83%) Finance
2 104 (16.91%) Banking
3 35 (5.69%) Investment Banking
4 34 (5.53%) Front Office
5 26 (4.23%) Public Sector
6 13 (2.11%) Financial Institution
7 11 (1.79%) Telecoms
8 10 (1.63%) Retail Banking
9 7 (1.14%) Legal
9 7 (1.14%) Marketing
10 3 (0.49%) Back Office
10 3 (0.49%) Games
10 3 (0.49%) Police
10 3 (0.49%) Retail
11 2 (0.33%) Manufacturing
12 1 (0.16%) Billing
12 1 (0.16%) Electronics
12 1 (0.16%) Law
12 1 (0.16%) Local Government
12 1 (0.16%) Military
Job Titles
1 223 (36.26%) Developer
2 72 (11.71%) Java Developer
3 54 (8.78%) Analyst
4 52 (8.46%) Senior Developer
5 47 (7.64%) DevOps Engineer
6 45 (7.32%) Architect
7 41 (6.67%) Administrator
8 34 (5.53%) Consultant
9 26 (4.23%) Support Analyst
10 25 (4.07%) Linux Engineer
11 24 (3.90%) C++ Developer
12 21 (3.41%) Senior Java Developer
13 20 (3.25%) Systems Engineer
13 20 (3.25%) Unix Engineer
14 19 (3.09%) Oracle Developer
14 19 (3.09%) Systems Administrator
15 18 (2.93%) Support Engineer
16 16 (2.60%) Applications Support
16 16 (2.60%) Python Developer
16 16 (2.60%) Technical Architect
Libraries, Frameworks & Software Standards
1 59 (9.59%) Spring
2 57 (9.27%) XML
3 48 (7.80%) Web Services
4 46 (7.48%) HTML
5 40 (6.50%) REST
6 35 (5.69%) Middleware
7 34 (5.53%) SOAP
8 30 (4.88%) Kafka
9 28 (4.55%) Spring Boot
10 27 (4.39%) CSS
11 26 (4.23%) .NET
12 25 (4.07%) RESTful
13 23 (3.74%) J2EE
14 22 (3.58%) AngularJS
15 21 (3.41%) Django
16 20 (3.25%) ActiveMQ
17 19 (3.09%) LDAP
18 18 (2.93%) JAX-RS
18 18 (2.93%) Node.js
19 15 (2.44%) Flask
Miscellaneous
1 65 (10.57%) Analytical Skills
2 35 (5.69%) Linux Command Line
3 22 (3.58%) Data Structures
4 19 (3.09%) User Experience
5 15 (2.44%) Management Information System
6 13 (2.11%) Algorithms
6 13 (2.11%) Cloud Native
6 13 (2.11%) Foreign Exchange (FX)
6 13 (2.11%) Replication
7 11 (1.79%) Derivative
8 10 (1.63%) Blog
8 10 (1.63%) Hedge funds
9 9 (1.46%) Clustering
9 9 (1.46%) Credit Risk
9 9 (1.46%) Data Centre
9 9 (1.46%) Enterprise Software
9 9 (1.46%) PKI
9 9 (1.46%) Private Cloud
10 8 (1.30%) Fixed Income
11 7 (1.14%) Grid Computing
Operating Systems
1 380 (61.79%) Linux
2 149 (24.23%) Windows
3 54 (8.78%) Red Hat Enterprise Linux
4 41 (6.67%) Solaris
5 39 (6.34%) Mac OS X
6 37 (6.02%) Windows Server
7 18 (2.93%) Mac OS
8 14 (2.28%) Ubuntu
9 13 (2.11%) CentOS
10 12 (1.95%) AIX
11 9 (1.46%) SUSE Linux Enterprise Server
12 8 (1.30%) Oracle Linux
12 8 (1.30%) SUSE
13 5 (0.81%) Windows 10
14 4 (0.65%) Android
14 4 (0.65%) Debian
14 4 (0.65%) Windows Server 2003
15 3 (0.49%) Apple iOS
15 3 (0.49%) Windows Server 2016
15 3 (0.49%) Windows XP
Processes & Methodologies
1 220 (35.77%) Agile Software Development
2 143 (23.25%) DevOps
3 99 (16.10%) TDD
4 98 (15.93%) Continuous Integration
5 90 (14.63%) Test Automation
6 66 (10.73%) Microservices
7 57 (9.27%) ITIL
8 51 (8.29%) Continuous Deployment
9 49 (7.97%) ETL
9 49 (7.97%) Migration
10 48 (7.80%) Problem-Solving
11 47 (7.64%) Data Modelling
12 44 (7.15%) Scrum
13 42 (6.83%) OO
14 40 (6.50%) Configuration Management
15 38 (6.18%) Business Intelligence
15 38 (6.18%) Performance Tuning
16 37 (6.02%) Software Engineering
17 36 (5.85%) Continuous Improvement
17 36 (5.85%) SDLC
Programming Languages
1 266 (43.25%) SQL
2 233 (37.89%) Java
3 171 (27.80%) Python
4 111 (18.05%) Shell Script
5 86 (13.98%) PL/SQL
6 78 (12.68%) JavaScript
7 67 (10.89%) Bash Shell
8 63 (10.24%) Perl
9 42 (6.83%) C++
10 32 (5.20%) Ruby
10 32 (5.20%) Scala
11 29 (4.72%) PowerShell
12 27 (4.39%) Java 8
13 16 (2.60%) C
14 12 (1.95%) C#
15 11 (1.79%) PHP
15 11 (1.79%) R
16 10 (1.63%) Groovy
17 9 (1.46%) VB.NET
18 7 (1.14%) Clojure
Qualifications
1 58 (9.43%) Security Cleared
2 50 (8.13%) SC Cleared
3 36 (5.85%) Degree
4 15 (2.44%) Computer Science Degree
5 12 (1.95%) BPSS Clearance
6 10 (1.63%) AWS Certification
7 7 (1.14%) CISSP
8 6 (0.98%) CISM
8 6 (0.98%) ISEB
8 6 (0.98%) ISTQB
8 6 (0.98%) ISTQB Foundation Certification
9 4 (0.65%) Cisco Certification
9 4 (0.65%) Dell Certification
9 4 (0.65%) DV Cleared
9 4 (0.65%) OCPJP
10 3 (0.49%) BC Cleared
10 3 (0.49%) CCNA
10 3 (0.49%) DBS Check
10 3 (0.49%) Master's Degree
11 2 (0.33%) ITIL Foundation Certificate
Quality Assurance & Compliance
1 23 (3.74%) QA
2 16 (2.60%) SLA
3 12 (1.95%) ISO/IEC 20000
4 6 (0.98%) PCI DSS
5 5 (0.81%) ISO/IEC 27001
6 4 (0.65%) COBIT
6 4 (0.65%) Cyber Essentials
6 4 (0.65%) Disclosure Scotland
7 3 (0.49%) Sarbanes-Oxley
8 2 (0.33%) COREP
8 2 (0.33%) Data Quality
8 2 (0.33%) FINREP
8 2 (0.33%) HL7
9 1 (0.16%) ISO 20022
9 1 (0.16%) MiFID
9 1 (0.16%) SEPA
9 1 (0.16%) TARGET2
9 1 (0.16%) WCAG
System Software
1 108 (17.56%) Docker
2 46 (7.48%) Active Directory
3 25 (4.07%) VMware Infrastructure
4 13 (2.11%) Oracle RAC
5 12 (1.95%) Virtual Machines
6 11 (1.79%) HDFS
7 8 (1.30%) Hyper-V
8 7 (1.14%) Veritas Cluster Server
9 6 (0.98%) Squid
10 5 (0.81%) Citrix Hypervisor
10 5 (0.81%) Veritas Volume Manager
10 5 (0.81%) XenApp
10 5 (0.81%) zsh
11 4 (0.65%) VMware ESXi
12 3 (0.49%) NFS
12 3 (0.49%) OCFS2
12 3 (0.49%) Virtual Servers
13 2 (0.33%) Samba
13 2 (0.33%) VMware NSX
13 2 (0.33%) VMware Workstation
Systems Management
1 88 (14.31%) Kubernetes
2 70 (11.38%) Ansible
3 50 (8.13%) Terraform
4 42 (6.83%) Puppet
5 30 (4.88%) Opscode Chef
6 18 (2.93%) Kibana
6 18 (2.93%) Nagios
7 15 (2.44%) logstash
8 14 (2.28%) ITRS Geneos
9 11 (1.79%) Data Guard
10 9 (1.46%) CFEngine
10 9 (1.46%) Hadoop YARN
11 8 (1.30%) Oracle RMAN
11 8 (1.30%) Prometheus
11 8 (1.30%) SCCM
12 7 (1.14%) Control-M
12 7 (1.14%) Red Hat Satellite
13 6 (0.98%) Cacti
13 6 (0.98%) Opsview
14 5 (0.81%) Packer
Vendors
1 195 (31.71%) Oracle
2 66 (10.73%) Red Hat
3 59 (9.59%) Splunk
4 48 (7.80%) Microsoft
5 39 (6.34%) Informatica
6 35 (5.69%) VMware
7 33 (5.37%) IBM
8 27 (4.39%) SAP
9 24 (3.90%) Sybase
10 19 (3.09%) HP
11 18 (2.93%) Google
12 17 (2.76%) Cisco
13 15 (2.44%) TIBCO
13 15 (2.44%) webMethods
14 12 (1.95%) Tableau
15 11 (1.79%) Atlassian
15 11 (1.79%) NetApp
16 10 (1.63%) BEA
16 10 (1.63%) Dell
16 10 (1.63%) Veritas