Period
to 19 January 2018

The following table provides summary statistics for contract job vacancies advertised in the City of 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 19 January 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
Central London > City of London
6 months to
19 Jan 2018
Same period 2017 Same period 2016
Rank 35 33 28
Rank change year-on-year -2 -5 -6
Contract jobs citing Unix 376 368 405
As % of all contract IT jobs advertised in the City of London 5.30% 5.91% 5.64%
As % of the Operating Systems category 26.13% 27.44% 25.05%
Number of daily rates quoted 302 288 328
City of London median daily rate £500 £500 £500
10th Percentile £369 £384 £313
90th Percentile £654 £675 £656
Central London median daily rate £500 £475 £500
% change year-on-year +5.26% -5.00% +5.82%
Number of hourly rates quoted 3 5 1
City of London median hourly rate £27.50 £27.50 £37.50
Median hourly rate % change year-on-year - -26.67% +34.53%
Central London median hourly rate £27.50 £27.50 £37.50
% change year-on-year - -26.67% +111.27%

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 the City of London with a requirement for operating system skills.

All Operating Systems
City of London
Contract vacancies with a requirement for operating system skills 1,439 1,341 1,617
As % of all contract IT jobs advertised in the City of London 20.28% 21.53% 22.53%
Number of daily rates quoted 1,130 1,060 1,260
City of London median daily rate £498 £450 £450
Median daily rate % change year-on-year +10.56% - +7.14%
10th Percentile £255 £300 £225
90th Percentile £675 £638 £625
Central London median daily rate £475 £450 £438
% change year-on-year +5.56% +2.86% +6.06%
Number of hourly rates quoted 51 25 49
City of London median hourly rate £15.00 £21.75 £19.50
Median hourly rate % change year-on-year -31.03% +11.54% +21.88%
10th Percentile £11.25 £13.10 £12.04
90th Percentile £25.75 £79.00 £38.75
Central London median hourly rate £15.50 £18.85 £18.50
% change year-on-year -17.77% +1.89% +19.35%

Unix
Job Vacancy Trend in the City of London

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

Job vacancy trend for Unix in the City of London

Unix
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for Unix in the City of London

Unix
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Unix in the City of London over the 6 months to 19 January 2018.

Contractor daily rate histogram for Unix in the City of London

Unix
Contractor Hourly Rate Trend in the City of London

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

Contractor hourly rate trend for Unix in the City of London

Unix
Contractor Hourly Rate Histogram in the City of London

The hourly rate distribution of IT jobs citing Unix in the City of London over the 6 months to 19 January 2018.

Contractor hourly rate histogram for Unix in the City of London

For the 6 months to 19 January 2018, IT contractor jobs citing Unix also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the City of London region with a requirement for Unix.

1 189 (50.27%) Linux
2 170 (45.21%) Finance
3 167 (44.41%) Java
4 144 (38.30%) Banking
5 105 (27.93%) SQL
6 99 (26.33%) Windows
7 91 (24.20%) Agile Software Development
8 88 (23.40%) Python
9 77 (20.48%) DevOps
10 76 (20.21%) Git (software)
11 70 (18.62%) Maven
12 68 (18.09%) Investment Banking
13 67 (17.82%) Perl
14 63 (16.76%) Jenkins
15 62 (16.49%) Ansible
15 62 (16.49%) Spring
16 57 (15.16%) JavaScript
16 57 (15.16%) Oracle
17 53 (14.10%) Shell Script
18 52 (13.83%) Bash Shell
19 50 (13.30%) Ruby
20 47 (12.50%) Solaris
21 46 (12.23%) Red Hat
21 46 (12.23%) Puppet
22 45 (11.97%) XML
23 44 (11.70%) J2EE
24 43 (11.44%) Amazon AWS
25 42 (11.17%) JIRA
26 39 (10.37%) Subversion
26 39 (10.37%) Sybase

Unix
Co-occurring IT Skills in the City of 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 34 (9.04%) JBoss
2 18 (4.79%) MQSeries
3 16 (4.26%) WebSphere
4 15 (3.99%) Apache
4 15 (3.99%) Tomcat
5 10 (2.66%) Cloud Foundry
6 9 (2.39%) WebLogic
7 8 (2.13%) Apache Spark
8 7 (1.86%) OpenStack
9 6 (1.60%) WildFly
10 5 (1.33%) Mule
11 4 (1.06%) Confluence
11 4 (1.06%) Elasticsearch
11 4 (1.06%) MS Exchange
11 4 (1.06%) SharePoint
11 4 (1.06%) WebSphere Application Server
12 3 (0.80%) Apache Solr
12 3 (0.80%) IIS
12 3 (0.80%) nginx
12 3 (0.80%) Oracle SOA Suite
Applications
1 7 (1.86%) Microsoft Excel
2 5 (1.33%) MS Visio
3 3 (0.80%) Microsoft Office
4 2 (0.53%) Spreadsheet
4 2 (0.53%) SPSS
4 2 (0.53%) Weka
5 1 (0.27%) Microsoft PowerPoint
Business Applications
1 12 (3.19%) Temenos T24
2 9 (2.39%) Kondor
3 5 (1.33%) BusinessWorks
4 4 (1.06%) Temenos Globus
5 3 (0.80%) Oracle EBS
6 2 (0.53%) LatentZero
6 2 (0.53%) Oracle Applications
7 1 (0.27%) Actimize
7 1 (0.27%) Global One
7 1 (0.27%) Oracle ERP
7 1 (0.27%) RMDS
Cloud Services
1 43 (11.44%) Amazon AWS
2 18 (4.79%) Microsoft Azure
3 16 (4.26%) npm
4 15 (3.99%) GitHub
5 9 (2.39%) PaaS
6 7 (1.86%) IaaS
7 5 (1.33%) Amazon EC2
7 5 (1.33%) Amazon S3
7 5 (1.33%) Virtual Private Cloud
8 3 (0.80%) Amazon CloudWatch
8 3 (0.80%) AWS Lambda
8 3 (0.80%) BrowserStack
8 3 (0.80%) OpenShift
8 3 (0.80%) Route 53
8 3 (0.80%) Sauce Labs
8 3 (0.80%) Serverless
9 2 (0.53%) Amazon EMR
9 2 (0.53%) AWS CloudFormation
9 2 (0.53%) AWS Data Pipeline
9 2 (0.53%) SaaS
Communications & Networking
1 28 (7.45%) Firewall
2 14 (3.72%) TCP/IP
3 10 (2.66%) SAN
4 9 (2.39%) HTTP
4 9 (2.39%) Intrusion Detection
5 8 (2.13%) DNS
6 6 (1.60%) Internet
6 6 (1.60%) NAS
7 5 (1.33%) DMZ
7 5 (1.33%) Kerberos
7 5 (1.33%) SWIFTNet
8 4 (1.06%) DHCP
8 4 (1.06%) LAN
8 4 (1.06%) Network Security
8 4 (1.06%) SMTP
9 3 (0.80%) BIG-IP
9 3 (0.80%) Fibre Channel
9 3 (0.80%) Intranet
9 3 (0.80%) MPLS
9 3 (0.80%) VPLS
Database & Business Intelligence
1 38 (10.11%) Relational Database
2 31 (8.24%) SQL Server
3 22 (5.85%) RDBMS
4 17 (4.52%) MySQL
5 16 (4.26%) Big Data
5 16 (4.26%) Hadoop
6 10 (2.66%) Data Warehouse
7 9 (2.39%) MongoDB
8 8 (2.13%) HBase
8 8 (2.13%) Power BI
9 7 (1.86%) SQL Server Integration Services
9 7 (1.86%) Sybase ASE
10 6 (1.60%) Oracle Database
11 5 (1.33%) Amazon RDS
11 5 (1.33%) Apache Cassandra
11 5 (1.33%) Apache Hive
11 5 (1.33%) IBM PureData
11 5 (1.33%) KDB
11 5 (1.33%) NoSQL
11 5 (1.33%) SQL Server Analysis Services
Development Applications
1 76 (20.21%) Git (software)
2 70 (18.62%) Maven
3 63 (16.76%) Jenkins
4 42 (11.17%) JIRA
5 39 (10.37%) Subversion
6 26 (6.91%) TeamCity
7 18 (4.79%) Cucumber
7 18 (4.79%) Selenium
8 16 (4.26%) JUnit
9 15 (3.99%) Sonatype Nexus
10 10 (2.66%) Liquibase
10 10 (2.66%) Mockito
11 9 (2.39%) Gradle
12 7 (1.86%) Team Foundation Server
13 5 (1.33%) Grunt
13 5 (1.33%) gulp
13 5 (1.33%) JBehave
13 5 (1.33%) Vagrant
13 5 (1.33%) WebDriver
14 4 (1.06%) JIRA Agile
General
1 170 (45.21%) Finance
2 144 (38.30%) Banking
3 68 (18.09%) Investment Banking
4 31 (8.24%) Front Office
5 12 (3.19%) Retail Banking
6 10 (2.66%) Back Office
7 9 (2.39%) Financial Institution
7 9 (2.39%) Retail
8 5 (1.33%) Games
8 5 (1.33%) International Banking
9 3 (0.80%) Retail Finance
10 2 (0.53%) Advertising
10 2 (0.53%) Legal
10 2 (0.53%) Telecoms
11 1 (0.27%) Billing
11 1 (0.27%) Law
11 1 (0.27%) Pharmaceutical
11 1 (0.27%) Publishing
Job Titles
1 119 (31.65%) Developer
2 61 (16.22%) Java Developer
3 52 (13.83%) Analyst
4 50 (13.30%) DevOps Engineer
5 25 (6.65%) Support Analyst
6 23 (6.12%) Senior Developer
7 21 (5.59%) Senior Java Developer
8 18 (4.79%) C++ Developer
8 18 (4.79%) Java Engineer
9 15 (3.99%) Administrator
10 14 (3.72%) Applications Support
11 13 (3.46%) AWS Engineer
11 13 (3.46%) Full Stack Developer
12 12 (3.19%) Applications Support Analyst
12 12 (3.19%) Unix Engineer
13 11 (2.93%) Automation Engineer
13 11 (2.93%) AWS DevOps
13 11 (2.93%) AWS DevOps Engineer
13 11 (2.93%) Linux Engineer
13 11 (2.93%) Unix Developer
Libraries, Frameworks & Software Standards
1 62 (16.49%) Spring
2 45 (11.97%) XML
3 44 (11.70%) J2EE
4 33 (8.78%) Middleware
5 31 (8.24%) Node.js
6 29 (7.71%) HTML
6 29 (7.71%) REST
7 28 (7.45%) Web Services
8 24 (6.38%) FIX Protocol
8 24 (6.38%) Hibernate
9 21 (5.59%) JMS
9 21 (5.59%) JSON
10 17 (4.52%) .NET
11 16 (4.26%) AngularJS
11 16 (4.26%) HTML5
11 16 (4.26%) React
12 15 (3.99%) JSP
12 15 (3.99%) RESTful
13 14 (3.72%) Kafka
13 14 (3.72%) Spring MVC
Miscellaneous
1 26 (6.91%) Foreign Exchange (FX)
2 24 (6.38%) Analytical Skills
2 24 (6.38%) Data Centre
3 22 (5.85%) Linux Command Line
4 18 (4.79%) Equities
5 16 (4.26%) SWIFT
6 13 (3.46%) Fixed Income
7 11 (2.93%) Computer Science
7 11 (2.93%) Derivative
7 11 (2.93%) Greenfield Project
8 8 (2.13%) Fedwire
9 6 (1.60%) Data Structures
10 5 (1.33%) Credit Risk
10 5 (1.33%) Mainframe
10 5 (1.33%) Management Information System
10 5 (1.33%) Online Games
10 5 (1.33%) Private Cloud
11 4 (1.06%) Clustering
11 4 (1.06%) Enterprise Software
11 4 (1.06%) User Experience
Operating Systems
1 189 (50.27%) Linux
2 99 (26.33%) Windows
3 47 (12.50%) Solaris
4 29 (7.71%) Red Hat Enterprise Linux
5 24 (6.38%) Windows Server
6 13 (3.46%) AIX
7 6 (1.60%) Windows Server 2012
8 3 (0.80%) Debian
8 3 (0.80%) Ubuntu
8 3 (0.80%) Windows Server 2003
8 3 (0.80%) Windows Server 2008
9 2 (0.53%) HPUX
9 2 (0.53%) Mac OS X
9 2 (0.53%) Oracle Linux
9 2 (0.53%) SUSE
9 2 (0.53%) Windows XP
9 2 (0.53%) zOS
10 1 (0.27%) Android
10 1 (0.27%) CoreOS
10 1 (0.27%) Windows 10
Processes & Methodologies
1 91 (24.20%) Agile Software Development
2 77 (20.48%) DevOps
3 35 (9.31%) Multithreading
3 35 (9.31%) SDLC
4 32 (8.51%) Configuration Management
5 30 (7.98%) Continuous Integration
6 26 (6.91%) MVC
7 23 (6.12%) Migration
7 23 (6.12%) Scrum
7 23 (6.12%) Test Automation
8 21 (5.59%) BDD
8 21 (5.59%) Information Security
9 20 (5.32%) TDD
10 19 (5.05%) Memory Management
11 18 (4.79%) Change Management
12 16 (4.26%) ITIL
12 16 (4.26%) OO
12 16 (4.26%) Open Source
13 15 (3.99%) Continuous Delivery
14 14 (3.72%) High Availability
Programming Languages
1 167 (44.41%) Java
2 105 (27.93%) SQL
3 88 (23.40%) Python
4 67 (17.82%) Perl
5 57 (15.16%) JavaScript
6 53 (14.10%) Shell Script
7 52 (13.83%) Bash Shell
8 50 (13.30%) Ruby
9 36 (9.57%) C++
10 16 (4.26%) C#
10 16 (4.26%) PowerShell
11 13 (3.46%) PHP
12 12 (3.19%) PL/SQL
13 11 (2.93%) Scala
14 8 (2.13%) Korn
14 8 (2.13%) XPath
15 7 (1.86%) Groovy
16 6 (1.60%) AWK
16 6 (1.60%) C
16 6 (1.60%) T-SQL
Qualifications
1 22 (5.85%) Degree
2 8 (2.13%) Master's Degree
3 6 (1.60%) CISM
3 6 (1.60%) Security Cleared
4 5 (1.33%) CISSP
4 5 (1.33%) Computer Science Degree
5 4 (1.06%) CISA
5 4 (1.06%) RHCE
6 3 (0.80%) Cisco Certification
6 3 (0.80%) RHCA
7 2 (0.53%) CCNP
7 2 (0.53%) GCIA
7 2 (0.53%) GCIH
7 2 (0.53%) GIAC
7 2 (0.53%) ITIL Certification
7 2 (0.53%) Network+ Certification
7 2 (0.53%) Novell Certification
7 2 (0.53%) PMI Certification
7 2 (0.53%) PMP
7 2 (0.53%) SC Cleared
Quality Assurance & Compliance
1 24 (6.38%) QA
2 12 (3.19%) MiFID
3 8 (2.13%) SEPA
4 5 (1.33%) TARGET2
5 4 (1.06%) Sarbanes-Oxley
6 3 (0.80%) SLA
7 2 (0.53%) ISO 20022
7 2 (0.53%) ISO 8583
8 1 (0.27%) Data Quality
8 1 (0.27%) GCP
8 1 (0.27%) ISO/IEC 27001
System Software
1 26 (6.91%) Docker
2 16 (4.26%) Active Directory
3 8 (2.13%) HDFS
3 8 (2.13%) VMware ESXi
3 8 (2.13%) VMware Infrastructure
4 7 (1.86%) Hyper-V
5 5 (1.33%) KVM
6 3 (0.80%) Apache Flume
6 3 (0.80%) Apache ZooKeeper
6 3 (0.80%) vSphere
7 2 (0.53%) Firmware
7 2 (0.53%) iptables
7 2 (0.53%) NFS
7 2 (0.53%) RHEV
7 2 (0.53%) Time Sharing Option
7 2 (0.53%) VirtualBox
8 1 (0.27%) Samba
8 1 (0.27%) UAG
8 1 (0.27%) Virtual Desktop
8 1 (0.27%) Virtual Machines
Systems Management
1 62 (16.49%) Ansible
2 46 (12.23%) Puppet
3 38 (10.11%) Opscode Chef
4 15 (3.99%) Kubernetes
5 13 (3.46%) ITRS Geneos
6 12 (3.19%) Nagios
7 11 (2.93%) Docker Swarm
8 7 (1.86%) Terraform
9 5 (1.33%) Grafana
9 5 (1.33%) NetBackup
10 4 (1.06%) Kibana
10 4 (1.06%) ZABBIX
11 3 (0.80%) Backup Exec
11 3 (0.80%) Hadoop YARN
11 3 (0.80%) Host Intrusion Detection System
11 3 (0.80%) Nessus
11 3 (0.80%) QRadar
11 3 (0.80%) Red Hat Satellite
11 3 (0.80%) vMotion
11 3 (0.80%) vRealize
Vendors
1 57 (15.16%) Oracle
2 46 (12.23%) Red Hat
3 39 (10.37%) Sybase
4 31 (8.24%) Microsoft
5 28 (7.45%) IBM
6 26 (6.91%) VMware
7 23 (6.12%) Splunk
8 15 (3.99%) TIBCO
9 13 (3.46%) HP
10 11 (2.93%) Temenos
11 10 (2.66%) AppDynamics
11 10 (2.66%) Bloomberg
12 9 (2.39%) Cisco
12 9 (2.39%) Reuters
12 9 (2.39%) Veritas
13 8 (2.13%) Remedy
14 6 (1.60%) CyberArk
14 6 (1.60%) Netezza
15 5 (1.33%) ION Trading
15 5 (1.33%) Tableau