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 3 months to 26 March 2017 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.

3 months to
26 Mar 2017
Same period 2016 Same period 2015
Unix
London / City of London
Rank 32 27 28
Rank change year-on-year -5 +1  
Contract jobs citing Unix 175 210 295
As % of all contract IT jobs advertised in the City of London 5.85% 6.31% 5.78%
As % of the Operating Systems category 25.70% 29.79% 26.22%
Number of daily rates quoted 148 172 239
Median daily rate £550 £475 £500
Median daily rate % change year-on-year +15.78% -5.00%  
90% offered a daily rate of more than £400 £340 £319
10% offered a daily rate of more than £650 £600 £625
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 0 1 1
Median hourly rate - £16.52 £19.00
Median hourly rate % change year-on-year - -13.07%  
UK excluding London median hourly rate £31.50 £35.00 £35.00
% change year-on-year -10.00% -  

Unix is in the operating system skills category. The next 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.

Contract Operating System Skills
City of London
Contract job vacancies with a requirement for operating system skills 681 705 1125
As % of all contract IT job vacancies advertised in the City of London 22.75% 21.19% 22.06%
Number of daily rates quoted 551 553 867
Median daily rate £475 £439 £415
Median daily rate % change year-on-year +8.26% +5.72%  
90% offered a daily rate of more than £220 £225 £190
10% offered a daily rate of more than £625 £575 £575
UK excluding London median daily rate £390 £363 £338
% change year-on-year +7.58% +7.40%  
Number of hourly rates quoted 9 22 35
Median hourly rate £14.15 £20.00 £17.98
Median hourly rate % change year-on-year -29.27% +11.23%  
90% offered a hourly rate of more than £13.50 £13.00 £13.15
10% offered a hourly rate of more than £113.70 £30.00 £105.00
UK excluding London median hourly rate £15.25 £16.92 £15.50
% change year-on-year -9.86% +9.16%  

Unix
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Unix as a proportion of all contract or permanent IT jobs with a match in the Operating Systems category.

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 3 months to 26 March 2017.

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 hourly rates quoted in IT contractor jobs citing Unix in the City of London.

Contractor hourly rate trend for Unix in the City of London

Unix
Top 30 Related IT Skills in the City of London

For the 6 months to 26 March 2017, 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.

1 191 (53.95%) Linux
2 157 (44.35%) Finance
3 134 (37.85%) Java
4 112 (31.64%) SQL
5 111 (31.36%) Banking
6 106 (29.94%) Agile Software Development
7 99 (27.97%) Oracle
8 94 (26.55%) Windows
9 67 (18.93%) Python
10 59 (16.67%) Puppet
11 57 (16.10%) DevOps
11 57 (16.10%) Shell Script
12 49 (13.84%) Perl
13 44 (12.43%) Front Office
14 42 (11.86%) Investment Banking
15 41 (11.58%) TDD
15 41 (11.58%) Data Centre
16 39 (11.02%) Low Latency
16 39 (11.02%) Migration
17 38 (10.73%) JIRA
17 38 (10.73%) Multithreading
18 36 (10.17%) Foreign Exchange (FX)
18 36 (10.17%) Spring
19 35 (9.89%) SQL Server
20 33 (9.32%) Hibernate
21 32 (9.04%) Red Hat
21 32 (9.04%) Configuration Management
21 32 (9.04%) OO
21 32 (9.04%) Degree
22 31 (8.76%) JavaScript

Unix
Top Related 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 17 (4.80%) Confluence
1 17 (4.80%) Tomcat
2 15 (4.24%) Oracle Coherence
3 13 (3.67%) WebSphere
4 12 (3.39%) Apache Spark
5 11 (3.11%) Apache
5 11 (3.11%) WebLogic
6 9 (2.54%) JBoss
7 6 (1.69%) IIS
7 6 (1.69%) Mule
7 6 (1.69%) OpenStack
8 5 (1.41%) BizTalk Server
8 5 (1.41%) Oracle SOA Suite
9 4 (1.13%) Apache Pig
9 4 (1.13%) SAS
10 3 (0.85%) Elasticsearch
10 3 (0.85%) GemFire
10 3 (0.85%) Jupyter
11 2 (0.56%) SharePoint
11 2 (0.56%) Skype for Business
Applications
1 8 (2.26%) MS Excel
2 5 (1.41%) MS Office
3 2 (0.56%) SPSS
Business Applications
1 2 (0.56%) Global One
1 2 (0.56%) Summit
2 1 (0.28%) BusinessWorks
2 1 (0.28%) Orchestrade
2 1 (0.28%) Sophis RISQUE
Cloud Services
1 28 (7.91%) Amazon AWS
2 7 (1.98%) GitHub
2 7 (1.98%) Microsoft Azure
3 5 (1.41%) AWS CloudFormation
3 5 (1.41%) Cloud Computing
4 2 (0.56%) Office 365
4 2 (0.56%) Trello
5 1 (0.28%) Amazon EC2
5 1 (0.28%) Amazon ELB
5 1 (0.28%) Amazon EMR
5 1 (0.28%) Amazon Kinesis
5 1 (0.28%) Amazon S3
5 1 (0.28%) AWS Elastic Beanstalk
5 1 (0.28%) Google Cloud Platform
5 1 (0.28%) Google Compute Engine
5 1 (0.28%) IaaS
5 1 (0.28%) OpenShift
5 1 (0.28%) PaaS
5 1 (0.28%) Route 53
5 1 (0.28%) Virtual Private Cloud
Communications & Networking
1 27 (7.63%) Firewall
2 20 (5.65%) SAN
2 20 (5.65%) TCP/IP
3 14 (3.95%) Network Security
4 13 (3.67%) HTTP
5 11 (3.11%) DNS
6 8 (2.26%) LDAP
7 7 (1.98%) DHCP
7 7 (1.98%) Kerberos
8 5 (1.41%) Intrusion Detection
8 5 (1.41%) SSL
9 4 (1.13%) Internet
9 4 (1.13%) LAN
10 3 (0.85%) FTP
10 3 (0.85%) NAS
10 3 (0.85%) WAN
11 2 (0.56%) DMVPN
11 2 (0.56%) Fibre Channel
11 2 (0.56%) iSCSI
11 2 (0.56%) Skype
Database & Business Intelligence
1 35 (9.89%) SQL Server
2 20 (5.65%) Big Data
3 19 (5.37%) Relational Database
4 18 (5.08%) Apache Cassandra
5 15 (4.24%) Hadoop
5 15 (4.24%) Oracle Database
6 14 (3.95%) NoSQL
7 12 (3.39%) MySQL
8 10 (2.82%) Data Warehouse
8 10 (2.82%) MongoDB
8 10 (2.82%) Oracle Database 11g
9 9 (2.54%) BusinessObjects
9 9 (2.54%) Neo4j
10 6 (1.69%) KDB
11 5 (1.41%) Apache Hive
11 5 (1.41%) Hazelcast
11 5 (1.41%) HBase
11 5 (1.41%) RDBMS
11 5 (1.41%) SQL Server Integration Services
12 3 (0.85%) Snowflake Schema
Development Applications
1 38 (10.73%) JIRA
2 28 (7.91%) Git (software)
2 28 (7.91%) Jenkins
3 19 (5.37%) Subversion
4 18 (5.08%) Maven
5 17 (4.80%) JUnit
6 15 (4.24%) Cucumber
7 14 (3.95%) Selenium
8 13 (3.67%) Mockito
9 10 (2.82%) EasyMock
10 6 (1.69%) Eclipse
11 5 (1.41%) Bitbucket
11 5 (1.41%) HP UFT
11 5 (1.41%) IntelliJ
11 5 (1.41%) Sonatype Nexus
12 4 (1.13%) WebDriver
13 3 (0.85%) Gradle
13 3 (0.85%) Grunt
13 3 (0.85%) Jasmine
13 3 (0.85%) SoapUI
General
1 157 (44.35%) Finance
2 111 (31.36%) Banking
3 44 (12.43%) Front Office
4 42 (11.86%) Investment Banking
5 19 (5.37%) Financial Institution
6 12 (3.39%) Retail
7 6 (1.69%) Legal
8 5 (1.41%) Back Office
9 4 (1.13%) Advertising
10 3 (0.85%) Telecoms
11 2 (0.56%) Billing
11 2 (0.56%) Games
11 2 (0.56%) Marketing
11 2 (0.56%) Retail Banking
12 1 (0.28%) Private Banking
Job Titles
1 128 (36.16%) Developer
2 70 (19.77%) Java Developer
3 41 (11.58%) Senior Developer
4 38 (10.73%) Senior Java Developer
5 37 (10.45%) Analyst
6 35 (9.89%) DevOps Engineer
7 28 (7.91%) Architect
8 23 (6.50%) Administrator
9 22 (6.21%) Unix Engineer
10 20 (5.65%) Linux/Unix DevOps
11 15 (4.24%) Java Engineer
11 15 (4.24%) Linux Engineer
12 14 (3.95%) Unix Systems Administrator
13 13 (3.67%) C++ Developer
14 12 (3.39%) Systems Administrator
14 12 (3.39%) Unix Administrator
15 11 (3.11%) AWS DevOps
16 10 (2.82%) Consultant
16 10 (2.82%) Support Analyst
17 9 (2.54%) Front Office Developer
Libraries, Frameworks & Software Standards
1 36 (10.17%) Spring
2 33 (9.32%) Hibernate
3 29 (8.19%) HTML
3 29 (8.19%) Middleware
4 28 (7.91%) XML
5 22 (6.21%) J2EE
6 21 (5.93%) SOAP
7 20 (5.65%) REST
8 17 (4.80%) .NET
9 14 (3.95%) AngularJS
9 14 (3.95%) Web Services
10 12 (3.39%) CSS
11 11 (3.11%) JMS
12 10 (2.82%) Dropwizard
12 10 (2.82%) JSON
12 10 (2.82%) JSP
12 10 (2.82%) WebSphere MQ
13 9 (2.54%) Boost C++ Libraries
13 9 (2.54%) FIX Protocol
13 9 (2.54%) HTML5
Miscellaneous
1 41 (11.58%) Data Centre
2 36 (10.17%) Foreign Exchange (FX)
3 31 (8.76%) Analytical Skills
4 27 (7.63%) Equities
5 22 (6.21%) Derivative
6 19 (5.37%) Fixed Income
7 16 (4.52%) Algorithms
7 16 (4.52%) Management Information System
8 14 (3.95%) Fintech
9 13 (3.67%) Data Structures
10 12 (3.39%) Client/Server
10 12 (3.39%) Computer Science
11 9 (2.54%) Linux Command Line
12 8 (2.26%) Clustering
13 7 (1.98%) Equity Derivative
13 7 (1.98%) Hedge funds
13 7 (1.98%) SWIFT
14 6 (1.69%) Credit Risk
14 6 (1.69%) Enterprise Software
14 6 (1.69%) Mainframe
Operating Systems
1 191 (53.95%) Linux
2 94 (26.55%) Windows
3 31 (8.76%) Windows Server
4 29 (8.19%) Red Hat Enterprise Linux
5 21 (5.93%) Solaris
6 8 (2.26%) Mac OS X
7 5 (1.41%) AIX
7 5 (1.41%) Android
7 5 (1.41%) Mac OS
8 4 (1.13%) SUSE
8 4 (1.13%) Windows Server 2012
9 3 (0.85%) CentOS
9 3 (0.85%) Windows Server 2008
10 2 (0.56%) Oracle Linux
10 2 (0.56%) Windows 10
10 2 (0.56%) Windows 7
10 2 (0.56%) Windows 8
11 1 (0.28%) Apple iOS
11 1 (0.28%) Data ONTAP
11 1 (0.28%) zOS
Processes & Methodologies
1 106 (29.94%) Agile Software Development
2 57 (16.10%) DevOps
3 41 (11.58%) TDD
4 39 (11.02%) Low Latency
4 39 (11.02%) Migration
5 38 (10.73%) Multithreading
6 32 (9.04%) Configuration Management
6 32 (9.04%) OO
7 29 (8.19%) Continuous Integration
7 29 (8.19%) High Availability
7 29 (8.19%) Software Engineering
8 27 (7.63%) Open Source
9 23 (6.50%) Electronic Trading
9 23 (6.50%) Project Management
10 21 (5.93%) SDLC
11 20 (5.65%) Data Modelling
12 19 (5.37%) BDD
12 19 (5.37%) Mentoring
13 18 (5.08%) Risk Management
13 18 (5.08%) Scrum
Programming Languages
1 134 (37.85%) Java
2 112 (31.64%) SQL
3 67 (18.93%) Python
4 57 (16.10%) Shell Script
5 49 (13.84%) Perl
6 31 (8.76%) C++
6 31 (8.76%) JavaScript
7 29 (8.19%) Bash Shell
8 23 (6.50%) PL/SQL
9 19 (5.37%) Ruby
10 14 (3.95%) PowerShell
11 12 (3.39%) C#
11 12 (3.39%) Scala
12 8 (2.26%) C
13 7 (1.98%) Korn
13 7 (1.98%) PHP
14 4 (1.13%) R
15 3 (0.85%) Go
15 3 (0.85%) Groovy
15 3 (0.85%) VB
Qualifications
1 32 (9.04%) Degree
2 6 (1.69%) CISSP
2 6 (1.69%) Security Cleared
3 5 (1.41%) CISM
3 5 (1.41%) CNA
3 5 (1.41%) GCIA
3 5 (1.41%) GCIH
3 5 (1.41%) GIAC
3 5 (1.41%) Network+ Certification
3 5 (1.41%) Novell Certification
3 5 (1.41%) SANS
4 4 (1.13%) RHCA
4 4 (1.13%) RHCE
4 4 (1.13%) SC Cleared
5 2 (0.56%) BPSS Clearance
5 2 (0.56%) OCPJP
5 2 (0.56%) PRINCE2 Certification
6 1 (0.28%) ITIL Certification
6 1 (0.28%) PMI Certification
6 1 (0.28%) PMP
Quality Assurance & Compliance
1 14 (3.95%) QA
2 7 (1.98%) Data Quality
2 7 (1.98%) PCI DSS
3 6 (1.69%) MiFID
4 5 (1.41%) SEPA
5 3 (0.85%) PMO
5 3 (0.85%) Sarbanes-Oxley
6 2 (0.56%) SLA
7 1 (0.28%) COBIT
7 1 (0.28%) ISAE 3402
7 1 (0.28%) ISO/IEC 27001
7 1 (0.28%) WCAG
System Software
1 21 (5.93%) Active Directory
2 15 (4.24%) VMware Infrastructure
3 13 (3.67%) Docker
4 9 (2.54%) Oracle RAC
5 5 (1.41%) HDFS
5 5 (1.41%) Hyper-V
6 3 (0.85%) GlusterFS
6 3 (0.85%) NFS
6 3 (0.85%) Shibboleth
6 3 (0.85%) VMware ESX
6 3 (0.85%) VMware Server
7 2 (0.56%) GFS2
7 2 (0.56%) OCFS2
7 2 (0.56%) Time Sharing Option
7 2 (0.56%) Veritas Cluster Server
7 2 (0.56%) Virtual Servers
8 1 (0.28%) SRDF
8 1 (0.28%) vCloud
8 1 (0.28%) Veritas Volume Manager
8 1 (0.28%) XenServer
Systems Management
1 59 (16.67%) Puppet
2 29 (8.19%) Opscode Chef
3 28 (7.91%) Ansible
4 10 (2.82%) Nagios
5 8 (2.26%) Control-M
6 6 (1.69%) Red Hat Satellite
6 6 (1.69%) Tivoli
7 5 (1.41%) Data Guard
7 5 (1.41%) Host Intrusion Detection System
7 5 (1.41%) NetBackup
7 5 (1.41%) Oracle Identity Management
8 4 (1.13%) Grafana
8 4 (1.13%) HP Quality Center
8 4 (1.13%) ITRS Geneos
8 4 (1.13%) Oracle RMAN
9 3 (0.85%) Graphite
9 3 (0.85%) Hadoop YARN
9 3 (0.85%) SCCM
10 2 (0.56%) Forefront Identity Manager
10 2 (0.56%) SELinux
Vendors
1 99 (27.97%) Oracle
2 32 (9.04%) Red Hat
3 30 (8.47%) VMware
4 24 (6.78%) Sybase
5 17 (4.80%) Atlassian
5 17 (4.80%) IBM
6 15 (4.24%) HP
7 14 (3.95%) Microsoft
8 11 (3.11%) Cisco
9 9 (2.54%) Bloomberg
9 9 (2.54%) Citrix
10 8 (2.26%) Reuters
10 8 (2.26%) Sun
10 8 (2.26%) TIBCO
10 8 (2.26%) Veritas
10 8 (2.26%) WorldPay
11 7 (1.98%) Splunk
12 6 (1.69%) Murex
12 6 (1.69%) SaltStack
12 6 (1.69%) SAP
City, London
ANSON MCCADE
Rate: £300 -£400pd
Posted: 2 days ago
City, London
ANSON MCCADE
Rate: £300- £400
Posted: 2 days ago
City, London
Deerfoot IT Resources Ltd
Rate: £550 - £600 per day
Posted: Yesterday
City, London
ANSON MCCADE
Rate: £300-400
Posted: 2 days ago
City, London
Hatstand Limited
Rate: £500 - £750 per day
Posted: 11 hours ago
City, London
Oliver Bernard
Rate: £550 - £650 per day + FINANCE
Posted: 5 days ago
City, London
Hatstand Limited
Rate: £500 - £700 per day
Posted: 2 days ago
City, London
TEKsystems
Rate: £600 - £700 per day
Posted: 2 days ago
City of London
Arrows Group Ltd
Rate: £500 - £600 per day
Posted: 6 days ago
City, London
Harrington Starr
Rate: £550 - £625 per day
Posted: 5 days ago
City, London
Harrington Starr
Rate: £400 - £550 per day
Posted: 5 days ago
City, London
Hatstand Limited
Rate: £400 - £550 per annum
Posted: 5 days ago
City, London
TEKsystems
Rate: £600 - £700 per day
Posted: 4 days ago
City, London
Hatstand Limited
Rate: £500 - £700 per day
Posted: 4 days ago
City, London
TEKsystems
Rate: £525 - £575 per day
Posted: 5 days ago
City, London
TEKsystems
Rate: £525 - £575 per day
Posted: 6 days ago
City, London
Paw Associates Ltd
Rate: £Market Day Rate
Posted: 2 days ago
City, London
Harrington Starr
Rate: £600 - £700 per day
Posted: 5 days ago
City, London
Talent International
Rate: £350 - £500 per day
Posted: 6 days ago