Period
to 20 August 2019

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 20 August 2019 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
20 Aug 2019
Same period 2018 Same period 2017
Rank 90 58 38
Rank change year-on-year -32 -20 +3
Contract jobs citing Unix 1,105 1,963 2,251
As % of all contract IT jobs advertised in London 2.80% 4.31% 5.27%
As % of the Operating Systems category 15.49% 21.05% 25.60%
Number of daily rates quoted 708 1,370 1,471
London median daily rate £525 £550 £513
Median daily rate % change year-on-year -4.55% +7.32% +7.89%
10th Percentile £369 £363 £331
90th Percentile £675 £675 £675
England median daily rate £500 £500 £475
% change year-on-year - +5.26% +10.47%
Number of hourly rates quoted 9 13 18
London median hourly rate £50.00 £22.50 £41.75
Median hourly rate % change year-on-year +122.22% -46.11% +145.48%
10th Percentile £25.25 £16.85 £26.08
90th Percentile £61.25 £74.50 £48.01
England median hourly rate £42.00 £28.00 £31.50
% change year-on-year +50.00% -11.11% -10.00%

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 7,132 9,326 8,794
As % of all contract IT jobs advertised in London 18.06% 20.48% 20.57%
Number of daily rates quoted 5,014 6,594 6,145
London median daily rate £475 £488 £475
Median daily rate % change year-on-year -2.56% +2.63% +5.56%
10th Percentile £175 £203 £230
90th Percentile £650 £650 £625
England median daily rate £425 £438 £425
% change year-on-year -2.86% +2.94% +5.07%
Number of hourly rates quoted 199 314 234
London median hourly rate £20.50 £19.00 £20.00
Median hourly rate % change year-on-year +7.89% -5.00% +17.65%
10th Percentile £12.50 £13.00 £12.58
90th Percentile £52.50 £47.83 £49.76
England median hourly rate £17.50 £17.50 £17.38
% change year-on-year - +0.68% +5.35%

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 20 August 2019.

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
Contractor Hourly Rate Histogram in London

The hourly rate distribution of IT jobs citing Unix in London over the 6 months to 20 August 2019.

Contractor 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 20 August 2019. 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 -12 251 £525 - 94
West London +13 79 £475 -9.52% 32
South London -47 28 £500 -9.09% 13
East London -24 17 £600 +20.00% 8
North London +1 5 - - 1
Unix
England

For the 6 months to 20 August 2019, 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.

1 696 (62.99%) Linux
2 428 (38.73%) Agile Software Development
3 414 (37.47%) Java
4 359 (32.49%) SQL
5 338 (30.59%) Python
6 301 (27.24%) Finance
7 257 (23.26%) DevOps
8 254 (22.99%) Amazon AWS
9 241 (21.81%) Oracle
10 203 (18.37%) Windows
11 195 (17.65%) Jenkins
12 194 (17.56%) Git (software)
13 193 (17.47%) TDD
14 192 (17.38%) Docker
15 183 (16.56%) Test Automation
16 181 (16.38%) Banking
17 160 (14.48%) Shell Script
18 147 (13.30%) Microsoft Azure
19 141 (12.76%) JIRA
19 141 (12.76%) Kubernetes
20 137 (12.40%) Perl
21 133 (12.04%) Problem-Solving
22 126 (11.40%) Continuous Integration
23 125 (11.31%) Ansible
24 116 (10.50%) JavaScript
25 108 (9.77%) Relational Database
26 105 (9.50%) BDD
27 103 (9.32%) Microservices
28 99 (8.96%) Analytical Skills
29 96 (8.69%) Scrum

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 87 (7.87%) Apache
2 84 (7.60%) Confluence
3 74 (6.70%) Apache Spark
4 35 (3.17%) Elasticsearch
5 31 (2.81%) JBoss
6 25 (2.26%) Tomcat
7 24 (2.17%) OpenStack
8 22 (1.99%) WebSphere
9 19 (1.72%) IIS
10 16 (1.45%) WebLogic
11 15 (1.36%) nginx
12 14 (1.27%) MS Exchange
13 12 (1.09%) Apache Solr
13 12 (1.09%) SharePoint
14 10 (0.90%) Adobe Experience Manager
15 8 (0.72%) Cloud Foundry
15 8 (0.72%) Oracle SOA Suite
15 8 (0.72%) SAS
16 6 (0.54%) CMS
16 6 (0.54%) Oracle Workflow
Applications
1 15 (1.36%) Microsoft Excel
2 9 (0.81%) Microsoft PowerPoint
2 9 (0.81%) MS Visio
3 8 (0.72%) Microsoft Office
Business Applications
1 19 (1.72%) BusinessWorks
2 12 (1.09%) Salesforce.com CRM
3 9 (0.81%) Oracle Internet Expenses
3 9 (0.81%) Oracle Payables
3 9 (0.81%) Oracle Procure-to-Pay
4 8 (0.72%) Oracle Assets
5 7 (0.63%) Oracle General Ledger
5 7 (0.63%) Oracle Receivables
6 6 (0.54%) Oracle Cash Management
6 6 (0.54%) Oracle FAH
6 6 (0.54%) Oracle iProcurement
7 5 (0.45%) Oracle EBS
7 5 (0.45%) Oracle Subledger Accounting
8 4 (0.36%) Sparx Enterprise Architect
9 3 (0.27%) SAP Hybris
10 2 (0.18%) Distributed Ledger
10 2 (0.18%) HiPortfolio
10 2 (0.18%) Oracle Retail
10 2 (0.18%) RMDS
10 2 (0.18%) SAP BPC
Cloud Services
1 254 (22.99%) Amazon AWS
2 147 (13.30%) Microsoft Azure
3 55 (4.98%) Amazon S3
4 53 (4.80%) Amazon EC2
5 49 (4.43%) GitHub
5 49 (4.43%) Serverless
6 39 (3.53%) AWS Lambda
7 36 (3.26%) Google Cloud Platform
8 30 (2.71%) PaaS
8 30 (2.71%) Virtual Private Cloud
9 29 (2.62%) Amazon CloudWatch
9 29 (2.62%) SaaS
10 27 (2.44%) Amazon ECS
11 24 (2.17%) Route 53
12 22 (1.99%) IaaS
13 19 (1.72%) Office 365
14 18 (1.63%) AWS CloudFormation
14 18 (1.63%) CloudFront
15 11 (1.00%) Amazon SQS
16 8 (0.72%) OpenShift
Communications & Networking
1 65 (5.88%) TCP/IP
2 64 (5.79%) Firewall
2 64 (5.79%) HTTP
3 40 (3.62%) DNS
4 39 (3.53%) VPN
5 36 (3.26%) LAN
6 34 (3.08%) Internet
6 34 (3.08%) WAN
7 27 (2.44%) BGP
7 27 (2.44%) OSPF
8 25 (2.26%) SAN
9 24 (2.17%) Intrusion Detection
10 18 (1.63%) MPLS
11 17 (1.54%) IPsec
12 16 (1.45%) Network Security
12 16 (1.45%) VLAN
13 15 (1.36%) SMTP
13 15 (1.36%) Wireless
14 14 (1.27%) DHCP
14 14 (1.27%) SSL
Database & Business Intelligence
1 108 (9.77%) Relational Database
2 87 (7.87%) SQL Server
3 81 (7.33%) Hadoop
4 78 (7.06%) Oracle Database
5 73 (6.61%) MongoDB
6 72 (6.52%) MySQL
7 70 (6.33%) Big Data
8 69 (6.24%) Data Warehouse
9 61 (5.52%) RDBMS
10 45 (4.07%) PostgreSQL
11 42 (3.80%) HBase
12 40 (3.62%) Apache Hive
13 39 (3.53%) Amazon RDS
14 37 (3.35%) NoSQL
15 30 (2.71%) Oracle Database 11g
16 21 (1.90%) Oracle Database 12c
17 20 (1.81%) DB2
17 20 (1.81%) Sqoop
18 18 (1.63%) BusinessObjects
19 17 (1.54%) Oracle Database 10g
Development Applications
1 195 (17.65%) Jenkins
2 194 (17.56%) Git (software)
3 141 (12.76%) JIRA
4 66 (5.97%) Mockito
5 57 (5.16%) Maven
6 51 (4.62%) JUnit
7 41 (3.71%) Cucumber
8 34 (3.08%) Selenium
9 31 (2.81%) Bitbucket
10 29 (2.62%) TeamCity
11 27 (2.44%) Subversion
12 21 (1.90%) Jasmine
13 18 (1.63%) Travis CI
14 17 (1.54%) Oracle Forms
14 17 (1.54%) SonarQube
15 15 (1.36%) gulp
16 12 (1.09%) Grunt
16 12 (1.09%) IBM UrbanCode
17 11 (1.00%) Atlassian Bamboo
18 10 (0.90%) Sonatype Nexus
General
1 301 (27.24%) Finance
2 181 (16.38%) Banking
3 76 (6.88%) Investment Banking
4 66 (5.97%) Front Office
5 56 (5.07%) Public Sector
6 28 (2.53%) Legal
7 24 (2.17%) Retail
8 21 (1.90%) Financial Institution
9 19 (1.72%) Law
10 17 (1.54%) Retail Banking
11 14 (1.27%) Telecoms
12 13 (1.18%) Publishing
13 12 (1.09%) Games
14 10 (0.90%) Back Office
15 7 (0.63%) Electronics
15 7 (0.63%) International Banking
16 6 (0.54%) Manufacturing
17 5 (0.45%) Marketing
17 5 (0.45%) Online Betting
17 5 (0.45%) Police
Job Titles
1 351 (31.76%) Developer
2 145 (13.12%) Java Developer
3 119 (10.77%) Analyst
4 92 (8.33%) DevOps Engineer
5 78 (7.06%) Architect
6 61 (5.52%) Senior Developer
7 60 (5.43%) Support Analyst
8 55 (4.98%) Consultant
9 54 (4.89%) Administrator
10 43 (3.89%) AWS Engineer
11 41 (3.71%) Unix Engineer
12 40 (3.62%) Senior Java Developer
13 39 (3.53%) Applications Support
14 38 (3.44%) C++ Developer
14 38 (3.44%) Linux Engineer
15 36 (3.26%) Data Engineer
16 34 (3.08%) Systems Administrator
16 34 (3.08%) Unix Administrator
17 33 (2.99%) AWS DevOps
18 31 (2.81%) AWS DevOps Engineer
Libraries, Frameworks & Software Standards
1 93 (8.42%) Spring
2 81 (7.33%) Web Services
3 72 (6.52%) HTML
4 70 (6.33%) REST
5 67 (6.06%) XML
6 64 (5.79%) Node.js
7 58 (5.25%) SOAP
8 55 (4.98%) CSS
9 54 (4.89%) JSON
10 52 (4.71%) Kafka
11 50 (4.52%) RESTful
12 49 (4.43%) JAX-RS
13 45 (4.07%) React
14 40 (3.62%) ActiveMQ
15 39 (3.53%) FIX Protocol
16 36 (3.26%) STL
17 35 (3.17%) LDAP
18 31 (2.81%) HTML5
18 31 (2.81%) Spring Boot
19 30 (2.71%) Elastic Stack
Miscellaneous
1 99 (8.96%) Analytical Skills
2 58 (5.25%) Linux Command Line
3 51 (4.62%) Equities
4 45 (4.07%) Management Information System
5 42 (3.80%) Foreign Exchange (FX)
6 33 (2.99%) PKI
6 33 (2.99%) Self-Motivation
7 30 (2.71%) Data Centre
8 29 (2.62%) Data Structures
9 26 (2.35%) Algorithms
10 24 (2.17%) Enterprise Software
11 21 (1.90%) Data Protection Act
11 21 (1.90%) User Experience
12 19 (1.72%) Derivative
12 19 (1.72%) SWIFT
13 18 (1.63%) Cloud Native
14 17 (1.54%) Client/Server
14 17 (1.54%) Fixed Income
15 16 (1.45%) Replication
16 15 (1.36%) Hedge funds
Operating Systems
1 696 (62.99%) Linux
2 203 (18.37%) Windows
3 80 (7.24%) Mac OS X
4 68 (6.15%) Solaris
5 62 (5.61%) Red Hat Enterprise Linux
6 53 (4.80%) Windows Server
7 25 (2.26%) CentOS
8 18 (1.63%) Mac OS
9 15 (1.36%) Apple iOS
10 14 (1.27%) AIX
11 13 (1.18%) HPUX
12 9 (0.81%) Windows 10
13 8 (0.72%) Android
13 8 (0.72%) Ubuntu
14 7 (0.63%) Windows 7
15 5 (0.45%) Check Point GAiA
15 5 (0.45%) Windows Server 2008
15 5 (0.45%) Windows Server 2012
16 4 (0.36%) VMS
16 4 (0.36%) Windows NT
Processes & Methodologies
1 428 (38.73%) Agile Software Development
2 257 (23.26%) DevOps
3 193 (17.47%) TDD
4 183 (16.56%) Test Automation
5 133 (12.04%) Problem-Solving
6 126 (11.40%) Continuous Integration
7 105 (9.50%) BDD
8 103 (9.32%) Microservices
9 96 (8.69%) Scrum
10 92 (8.33%) Migration
11 83 (7.51%) ETL
12 80 (7.24%) Web Development
13 78 (7.06%) Continuous Deployment
14 74 (6.70%) SDLC
15 67 (6.06%) Configuration Management
16 65 (5.88%) ITIL
17 64 (5.79%) OO
18 63 (5.70%) Pair Programming
19 61 (5.52%) Responsive Web Design
20 60 (5.43%) Performance Tuning
Programming Languages
1 414 (37.47%) Java
2 359 (32.49%) SQL
3 338 (30.59%) Python
4 160 (14.48%) Shell Script
5 137 (12.40%) Perl
6 116 (10.50%) JavaScript
7 93 (8.42%) Bash Shell
8 73 (6.61%) C++
9 65 (5.88%) PL/SQL
10 62 (5.61%) Ruby
11 61 (5.52%) Java 8
12 57 (5.16%) Scala
13 43 (3.89%) PowerShell
14 36 (3.26%) C
14 36 (3.26%) R
15 31 (2.81%) Korn
16 27 (2.44%) C#
17 25 (2.26%) Go
18 16 (1.45%) PHP
19 13 (1.18%) TypeScript
Qualifications
1 72 (6.52%) Security Cleared
2 70 (6.33%) Degree
3 46 (4.16%) SC Cleared
4 34 (3.08%) AWS Certification
5 31 (2.81%) CISSP
6 26 (2.35%) Cisco Certification
7 20 (1.81%) CCNP
8 15 (1.36%) Computer Science Degree
9 13 (1.18%) IISP
9 13 (1.18%) ITIL Certification
10 12 (1.09%) CCIE
10 12 (1.09%) DV Cleared
11 9 (0.81%) CISM
12 8 (0.72%) BPSS Clearance
12 8 (0.72%) CTC Cleared
12 8 (0.72%) JNCIE
12 8 (0.72%) JNCIP
13 7 (0.63%) Master's Degree
14 6 (0.54%) GCIA
14 6 (0.54%) GCIH
Quality Assurance & Compliance
1 42 (3.80%) QA
2 16 (1.45%) PCI DSS
3 9 (0.81%) WCAG
4 7 (0.63%) MiFID
5 6 (0.54%) Data Quality
6 5 (0.45%) SLA
7 4 (0.36%) COREP
7 4 (0.36%) Disclosure Scotland
7 4 (0.36%) FINREP
8 3 (0.27%) COBIT
8 3 (0.27%) ISO/IEC 27001
8 3 (0.27%) Sarbanes-Oxley
9 2 (0.18%) HL7
9 2 (0.18%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
9 2 (0.18%) SEPA
10 1 (0.090%) COSO
10 1 (0.090%) GDPR
10 1 (0.090%) ISO/IEC 27005
10 1 (0.090%) ITGC
10 1 (0.090%) NIST
System Software
1 192 (17.38%) Docker
2 39 (3.53%) Active Directory
3 33 (2.99%) VMware Infrastructure
4 23 (2.08%) HDFS
5 12 (1.09%) Oracle RAC
5 12 (1.09%) VMware ESXi
6 10 (0.90%) Apache Flume
6 10 (0.90%) KVM
7 9 (0.81%) VMware NSX
8 7 (0.63%) ProxySG
9 5 (0.45%) Hyper-V
9 5 (0.45%) Shibboleth
10 4 (0.36%) Cronacle
10 4 (0.36%) NFS
10 4 (0.36%) Samba
10 4 (0.36%) Sendmail
10 4 (0.36%) Veritas Cluster Server
10 4 (0.36%) Virtual Desktop
10 4 (0.36%) XenApp
11 3 (0.27%) VMware Workstation
Systems Management
1 141 (12.76%) Kubernetes
2 125 (11.31%) Ansible
3 80 (7.24%) Terraform
4 53 (4.80%) Puppet
5 50 (4.52%) Opscode Chef
6 33 (2.99%) Hadoop YARN
7 26 (2.35%) Control-M
8 18 (1.63%) Grafana
9 17 (1.54%) Single Sign-On
10 16 (1.45%) SCCM
11 14 (1.27%) NetBackup
12 13 (1.18%) CASB
13 10 (0.90%) Consul
13 10 (0.90%) logstash
14 9 (0.81%) Salt
15 8 (0.72%) AirWatch
15 8 (0.72%) Kibana
16 7 (0.63%) Packer
17 6 (0.54%) Enterprise Manager Cloud Control
17 6 (0.54%) QRadar
Vendors
1 241 (21.81%) Oracle
2 81 (7.33%) Microsoft
3 74 (6.70%) VMware
4 66 (5.97%) Red Hat
5 62 (5.61%) Splunk
6 35 (3.17%) Atlassian
6 35 (3.17%) Sybase
7 34 (3.08%) Google
8 32 (2.90%) Cisco
9 29 (2.62%) SAP
10 27 (2.44%) TIBCO
11 21 (1.90%) F5
11 21 (1.90%) Veritas
12 20 (1.81%) EMC
12 20 (1.81%) IBM
13 19 (1.72%) Salesforce.com
14 18 (1.63%) HP
15 15 (1.36%) Informatica
15 15 (1.36%) Juniper
15 15 (1.36%) Sun