Period
to 24 February 2018

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 24 February 2018 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
24 Feb 2018
Same period 2017 Same period 2016
Rank 44 36 34
Rank change year-on-year -8 -2 -8
Contract jobs citing Unix 2,255 2,171 2,392
As % of all contract IT jobs advertised in London 4.84% 5.25% 5.37%
As % of the Operating Systems category 23.51% 25.63% 26.16%
Number of daily rates quoted 1,595 1,424 1,628
London median daily rate £525 £496 £475
Median daily rate % change year-on-year +5.79% +4.47% +5.56%
10th Percentile £386 £350 £320
90th Percentile £675 £675 £638
England median daily rate £500 £440 £434
% change year-on-year +13.64% +1.38% +2.12%
Number of hourly rates quoted 16 20 8
London median hourly rate £32.00 £36.25 £28.75
Median hourly rate % change year-on-year -11.72% +26.09% +94.92%
10th Percentile £26.88 £25.18 £16.25
90th Percentile £62.50 £47.00 £100.00
England median hourly rate £35.00 £36.00 £35.00
% change year-on-year -2.78% +2.86% +12.36%

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 9,590 8,469 9,144
As % of all contract IT jobs advertised in London 20.58% 20.50% 20.53%
Number of daily rates quoted 6,852 5,879 6,253
London median daily rate £475 £450 £438
Median daily rate % change year-on-year +5.56% +2.86% +4.17%
10th Percentile £205 £242 £213
90th Percentile £650 £625 £606
England median daily rate £425 £413 £400
% change year-on-year +3.03% +3.13% +6.67%
Number of hourly rates quoted 295 193 298
London median hourly rate £18.70 £20.00 £17.00
Median hourly rate % change year-on-year -6.50% +17.65% -
10th Percentile £12.00 £12.50 £11.23
90th Percentile £47.83 £50.00 £44.97
England median hourly rate £17.25 £16.50 £16.50
% change year-on-year +4.55% - +3.13%

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 24 February 2018.

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 24 February 2018.

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 24 February 2018. 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 -13 416 £500 -1.48% 111
West London -18 124 £490 +30.67% 32
South London -3 111 £550 +35.80% 4
East London -12 44 £613 +11.36% 11
North London 0 6 £488 +18.18% 6
Unix
England

For the 6 months to 24 February 2018, 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 1,307 (57.96%) Linux
2 1,058 (46.92%) Java
3 702 (31.13%) Finance
4 695 (30.82%) Agile Software Development
5 691 (30.64%) SQL
6 642 (28.47%) Python
7 538 (23.86%) DevOps
8 512 (22.71%) Banking
9 462 (20.49%) Windows
10 440 (19.51%) Git (software)
11 392 (17.38%) Oracle
12 354 (15.70%) Jenkins
13 331 (14.68%) Perl
14 330 (14.63%) Amazon AWS
15 308 (13.66%) Relational Database
16 306 (13.57%) Continuous Integration
17 301 (13.35%) Docker
18 298 (13.22%) Shell Script
19 293 (12.99%) Test Automation
20 284 (12.59%) Maven
20 284 (12.59%) Ansible
21 281 (12.46%) Puppet
22 275 (12.20%) Spring
23 258 (11.44%) JIRA
24 254 (11.26%) Bash Shell
25 241 (10.69%) Web Services
26 240 (10.64%) RESTful
27 231 (10.24%) Analytical Skills
28 228 (10.11%) TDD
29 227 (10.07%) Investment Banking

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
1 163 (7.23%) Confluence
2 121 (5.37%) Apache
3 120 (5.32%) Tomcat
4 84 (3.73%) WebSphere
5 81 (3.59%) Elasticsearch
6 72 (3.19%) WildFly
7 63 (2.79%) JBoss
8 45 (2.00%) Apache Spark
9 36 (1.60%) MQSeries
9 36 (1.60%) nginx
10 32 (1.42%) Cloud Foundry
11 31 (1.37%) OpenStack
12 29 (1.29%) WebLogic
13 25 (1.11%) IIS
14 24 (1.06%) CMS
15 23 (1.02%) SAS
16 19 (0.84%) Apache Solr
16 19 (0.84%) Mule
17 18 (0.80%) Adobe Experience Manager
17 18 (0.80%) MS Exchange
Applications
1 35 (1.55%) Microsoft Excel
2 28 (1.24%) Microsoft Office
3 11 (0.49%) MS Visio
4 8 (0.35%) HipChat
4 8 (0.35%) Spreadsheet
5 7 (0.31%) Microsoft PowerPoint
6 3 (0.13%) Microsoft Project
7 2 (0.089%) SPSS
7 2 (0.089%) Weka
8 1 (0.044%) Doxygen
Business Applications
1 21 (0.93%) Temenos T24
2 15 (0.67%) ION MarketView
2 15 (0.67%) RMDS
3 13 (0.58%) Kondor
4 10 (0.44%) Oracle Applications
4 10 (0.44%) Oracle EBS
5 9 (0.40%) BusinessWorks
6 7 (0.31%) Oracle BPM
7 5 (0.22%) HiPortfolio
7 5 (0.22%) Temenos Globus
8 4 (0.18%) Global One
8 4 (0.18%) Magento
9 3 (0.13%) Bloomberg TOMS
10 2 (0.089%) Dynamics CRM
10 2 (0.089%) Endur
10 2 (0.089%) OpenLink RightAngle
10 2 (0.089%) Oracle EBS R12
10 2 (0.089%) Oracle iProcurement
10 2 (0.089%) Oracle Payables
10 2 (0.089%) Unica
Cloud Services
1 330 (14.63%) Amazon AWS
2 101 (4.48%) GitHub
3 69 (3.06%) Microsoft Azure
4 56 (2.48%) Amazon EC2
5 49 (2.17%) Virtual Private Cloud
6 46 (2.04%) Amazon S3
7 44 (1.95%) npm
8 41 (1.82%) Serverless
9 37 (1.64%) AWS Lambda
10 36 (1.60%) Route 53
11 32 (1.42%) Amazon CloudWatch
12 29 (1.29%) CloudFront
13 25 (1.11%) PaaS
14 24 (1.06%) Cloud Computing
15 20 (0.89%) IaaS
16 18 (0.80%) AWS CloudFormation
17 15 (0.67%) Google Cloud Platform
17 15 (0.67%) SaaS
18 12 (0.53%) OpenShift
19 8 (0.35%) Amazon Kinesis
Communications & Networking
1 155 (6.87%) TCP/IP
2 130 (5.76%) Firewall
3 94 (4.17%) HTTP
4 54 (2.39%) Internet
5 45 (2.00%) DNS
6 44 (1.95%) VPN
7 33 (1.46%) SAN
8 30 (1.33%) SSL
9 26 (1.15%) NAS
9 26 (1.15%) Network Security
10 25 (1.11%) DHCP
10 25 (1.11%) LAN
10 25 (1.11%) SWIFTNet
11 22 (0.98%) BIG-IP
11 22 (0.98%) Intrusion Detection
12 21 (0.93%) WAN
13 15 (0.67%) Kerberos
14 12 (0.53%) Fibre Channel
14 12 (0.53%) VLAN
15 11 (0.49%) FIX Connectivity
Database & Business Intelligence
1 308 (13.66%) Relational Database
2 174 (7.72%) NoSQL
3 164 (7.27%) RDBMS
4 157 (6.96%) SQL Server
5 131 (5.81%) MySQL
6 106 (4.70%) Big Data
7 104 (4.61%) MongoDB
8 95 (4.21%) Apache Cassandra
9 91 (4.04%) Oracle Database
10 85 (3.77%) PostgreSQL
11 69 (3.06%) Hadoop
12 64 (2.84%) DB2
13 49 (2.17%) Redis
14 40 (1.77%) KDB
15 38 (1.69%) Amazon RDS
16 34 (1.51%) Data Warehouse
17 24 (1.06%) Apache Hive
18 21 (0.93%) HBase
18 21 (0.93%) OLTP
19 19 (0.84%) Oracle Database 11g
Development Applications
1 440 (19.51%) Git (software)
2 354 (15.70%) Jenkins
3 284 (12.59%) Maven
4 258 (11.44%) JIRA
5 195 (8.65%) JUnit
6 182 (8.07%) Mockito
7 128 (5.68%) Subversion
8 120 (5.32%) Cucumber
9 90 (3.99%) Liquibase
10 77 (3.41%) Checkstyle
11 73 (3.24%) SonarQube
12 72 (3.19%) TeamCity
13 70 (3.10%) Vagrant
14 68 (3.02%) Selenium
15 62 (2.75%) Sonatype Nexus
16 56 (2.48%) Gradle
17 42 (1.86%) JMeter
18 31 (1.37%) IntelliJ
19 29 (1.29%) Eclipse
20 28 (1.24%) Bitbucket
General
1 702 (31.13%) Finance
2 512 (22.71%) Banking
3 227 (10.07%) Investment Banking
4 204 (9.05%) Front Office
5 61 (2.71%) Financial Institution
6 56 (2.48%) Games
7 49 (2.17%) Retail
8 29 (1.29%) Back Office
9 24 (1.06%) Telecoms
10 20 (0.89%) Retail Banking
11 14 (0.62%) Legal
12 11 (0.49%) Marketing
13 9 (0.40%) Advertising
13 9 (0.40%) Manufacturing
14 6 (0.27%) Electronics
15 5 (0.22%) French Language
15 5 (0.22%) Prime Brokerage
16 4 (0.18%) International Banking
16 4 (0.18%) Law
17 3 (0.13%) General Ledger
Job Titles
1 818 (36.27%) Developer
2 402 (17.83%) Java Developer
3 277 (12.28%) DevOps Engineer
4 209 (9.27%) Analyst
5 167 (7.41%) Senior Developer
6 127 (5.63%) Senior Java Developer
7 114 (5.06%) C++ Developer
8 113 (5.01%) Administrator
8 113 (5.01%) Consultant
9 98 (4.35%) Linux Engineer
10 92 (4.08%) Support Analyst
11 91 (4.04%) Architect
12 86 (3.81%) AWS DevOps
13 83 (3.68%) Applications Support
14 81 (3.59%) AWS Engineer
15 72 (3.19%) Unix Engineer
16 65 (2.88%) Systems Administrator
17 64 (2.84%) AWS DevOps Engineer
18 56 (2.48%) DBA
18 56 (2.48%) Python Developer
Libraries, Frameworks & Software Standards
1 275 (12.20%) Spring
2 241 (10.69%) Web Services
3 240 (10.64%) RESTful
4 218 (9.67%) REST
5 173 (7.67%) XML
6 162 (7.18%) JMS
7 148 (6.56%) Hibernate
8 139 (6.16%) Node.js
9 133 (5.90%) HTML
10 110 (4.88%) Elastic Stack
11 109 (4.83%) FIX Protocol
12 104 (4.61%) JSON
13 103 (4.57%) Kafka
14 98 (4.35%) J2EE
15 82 (3.64%) JAX-RS
16 80 (3.55%) AngularJS
17 79 (3.50%) Middleware
18 77 (3.41%) Java EE
19 74 (3.28%) CSS
19 74 (3.28%) WireMock
Miscellaneous
1 231 (10.24%) Analytical Skills
2 171 (7.58%) Linux Command Line
3 162 (7.18%) Foreign Exchange (FX)
4 81 (3.59%) Equities
5 76 (3.37%) Data Centre
6 74 (3.28%) Computer Science
7 62 (2.75%) Greenfield Project
8 56 (2.48%) Algorithms
8 56 (2.48%) Fixed Income
9 54 (2.39%) Derivative
10 52 (2.31%) SWIFT
11 44 (1.95%) Data Structures
12 42 (1.86%) Enterprise Software
13 36 (1.60%) Public Cloud
14 35 (1.55%) Fintech
14 35 (1.55%) Management Information System
15 30 (1.33%) Clustering
15 30 (1.33%) Replication
16 26 (1.15%) Online Games
16 26 (1.15%) Video on Demand
Operating Systems
1 1,307 (57.96%) Linux
2 462 (20.49%) Windows
3 184 (8.16%) Red Hat Enterprise Linux
4 181 (8.03%) Solaris
5 83 (3.68%) Mac OS X
6 76 (3.37%) Windows Server
7 69 (3.06%) CentOS
8 63 (2.79%) VMS
9 61 (2.71%) AIX
10 28 (1.24%) Windows Server 2008
11 26 (1.15%) Mac OS
12 25 (1.11%) Windows Server 2003
13 20 (0.89%) Apple iOS
14 19 (0.84%) HPUX
15 18 (0.80%) Windows Server 2012
16 16 (0.71%) Android
17 14 (0.62%) zOS
18 13 (0.58%) Ubuntu
18 13 (0.58%) Windows 7
19 12 (0.53%) SUSE
Processes & Methodologies
1 695 (30.82%) Agile Software Development
2 538 (23.86%) DevOps
3 306 (13.57%) Continuous Integration
4 293 (12.99%) Test Automation
5 228 (10.11%) TDD
6 214 (9.49%) OO
7 213 (9.45%) Microservices
8 182 (8.07%) Scrum
9 181 (8.03%) Configuration Management
10 164 (7.27%) Multithreading
11 156 (6.92%) Open Source
12 149 (6.61%) BDD
13 142 (6.30%) Dependency Injection
14 140 (6.21%) Migration
15 137 (6.08%) Kanban
15 137 (6.08%) SDLC
16 136 (6.03%) Continuous Delivery
17 134 (5.94%) Domain-Driven Design
18 120 (5.32%) Software Engineering
19 115 (5.10%) E-Commerce
Programming Languages
1 1,058 (46.92%) Java
2 691 (30.64%) SQL
3 642 (28.47%) Python
4 331 (14.68%) Perl
5 298 (13.22%) Shell Script
6 254 (11.26%) Bash Shell
7 224 (9.93%) Ruby
8 219 (9.71%) JavaScript
9 196 (8.69%) C++
10 137 (6.08%) Scala
11 99 (4.39%) PL/SQL
12 72 (3.19%) JPQL
13 71 (3.15%) Groovy
13 71 (3.15%) PHP
14 61 (2.71%) C#
15 56 (2.48%) PowerShell
16 54 (2.39%) Korn
17 47 (2.08%) R
18 44 (1.95%) C
19 32 (1.42%) Go
Qualifications
1 196 (8.69%) Security Cleared
2 137 (6.08%) Degree
3 124 (5.50%) SC Cleared
4 45 (2.00%) CISSP
5 34 (1.51%) Computer Science Degree
6 24 (1.06%) Cisco Certification
7 23 (1.02%) CISM
8 20 (0.89%) DV Cleared
9 17 (0.75%) BPSS Clearance
10 14 (0.62%) Master's Degree
11 13 (0.58%) ITIL Certification
12 11 (0.49%) CCNP
13 10 (0.44%) CISA
13 10 (0.44%) CREST Certified
14 9 (0.40%) GCIA
14 9 (0.40%) GCIH
14 9 (0.40%) SANS
15 8 (0.35%) GIAC
15 8 (0.35%) ISEB
16 7 (0.31%) CCSP
Quality Assurance & Compliance
1 106 (4.70%) QA
2 34 (1.51%) MiFID
3 23 (1.02%) TARGET2
4 20 (0.89%) SLA
5 18 (0.80%) PCI DSS
5 18 (0.80%) Sarbanes-Oxley
6 16 (0.71%) GDPR
7 14 (0.62%) COBIT
7 14 (0.62%) Disclosure Scotland
7 14 (0.62%) ISO/IEC 27001
8 12 (0.53%) SEPA
9 10 (0.44%) EMIR
10 9 (0.40%) Dodd-Frank
11 7 (0.31%) PMO
12 6 (0.27%) GCP
12 6 (0.27%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
13 5 (0.22%) Data Quality
13 5 (0.22%) NIST 800
14 3 (0.13%) FISMA
14 3 (0.13%) IFRS
System Software
1 301 (13.35%) Docker
2 75 (3.33%) Active Directory
3 48 (2.13%) VMware Infrastructure
4 23 (1.02%) VMware ESXi
5 21 (0.93%) Firmware
5 21 (0.93%) NFS
6 20 (0.89%) HDFS
7 18 (0.80%) Oracle RAC
8 14 (0.62%) SRDF
9 13 (0.58%) vCloud
9 13 (0.58%) Veritas Volume Manager
10 12 (0.53%) Hyper-V
10 12 (0.53%) Veritas Cluster Server
11 11 (0.49%) Samba
12 9 (0.40%) KVM
13 8 (0.35%) Veritas File System
14 7 (0.31%) iptables
14 7 (0.31%) RACF
14 7 (0.31%) vSphere
15 6 (0.27%) Virtual Servers
Systems Management
1 284 (12.59%) Ansible
2 281 (12.46%) Puppet
3 177 (7.85%) Opscode Chef
4 159 (7.05%) Kubernetes
5 120 (5.32%) logstash
6 89 (3.95%) Grafana
7 80 (3.55%) Kibana
8 77 (3.41%) Terraform
9 48 (2.13%) Nagios
10 41 (1.82%) ITRS Geneos
11 37 (1.64%) Rancher
12 31 (1.37%) BladeLogic
13 24 (1.06%) Docker Swarm
14 21 (0.93%) Control-M
15 19 (0.84%) Prometheus
16 18 (0.80%) NetBackup
17 15 (0.67%) CFEngine
17 15 (0.67%) Hadoop YARN
17 15 (0.67%) HAProxy
17 15 (0.67%) Nessus
Vendors
1 392 (17.38%) Oracle
2 201 (8.91%) Splunk
3 159 (7.05%) Red Hat
4 124 (5.50%) Sybase
5 116 (5.14%) Microsoft
6 100 (4.43%) AppDynamics
7 94 (4.17%) IBM
8 82 (3.64%) VMware
9 66 (2.93%) Atlassian
10 58 (2.57%) HP
10 58 (2.57%) TIBCO
11 52 (2.31%) Cisco
12 44 (1.95%) CyberArk
13 41 (1.82%) Veritas
14 40 (1.77%) Citrix
15 35 (1.55%) F5
16 31 (1.37%) EMC
17 30 (1.33%) Google
18 27 (1.20%) Bloomberg
18 27 (1.20%) SAP