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 25 June 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.

Unix
London / City of London
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 39 29 29
Rank change year-on-year -10 0  
Contract jobs citing Unix 166 213 321
As % of all contract IT jobs advertised in the City of London 5.07% 6.41% 5.51%
As % of the Operating Systems category 25.62% 29.42% 27.39%
Number of daily rates quoted 133 186 258
Median daily rate £550 £475 £475
Median daily rate % change year-on-year +15.78% -  
90% offered a daily rate of more than £400 £363 £318
10% offered a daily rate of more than £650 £700 £650
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 0 0 8
Median hourly rate - - £22.07
UK excluding London median hourly rate £39.50 £27.50 £39.00
% change year-on-year +43.63% -29.48%  

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 648 724 1172
As % of all contract IT job vacancies advertised in the City of London 19.79% 21.79% 20.13%
Number of daily rates quoted 509 601 901
Median daily rate £450 £463 £400
Median daily rate % change year-on-year -2.70% +15.62%  
90% offered a daily rate of more than £220 £250 £225
10% offered a daily rate of more than £623 £600 £575
UK excluding London median daily rate £375 £363 £345
% change year-on-year +3.44% +5.07%  
Number of hourly rates quoted 18 21 54
Median hourly rate £21.25 £17.50 £20.00
Median hourly rate % change year-on-year +21.42% -12.50%  
90% offered a hourly rate of more than £14.98 £12.50 £12.50
10% offered a hourly rate of more than £175.00 £22.00 £34.00
UK excluding London median hourly rate £15.50 £17.00 £16.20
% change year-on-year -8.82% +4.93%  

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 25 June 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 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

For the 6 months to 25 June 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.

1 196 (57.14%) Linux
2 161 (46.94%) Finance
3 126 (36.73%) Java
4 120 (34.99%) Banking
5 104 (30.32%) SQL
6 92 (26.82%) Python
7 88 (25.66%) Oracle
8 87 (25.36%) Agile Software Development
9 86 (25.07%) Windows
10 61 (17.78%) DevOps
11 60 (17.49%) Investment Banking
12 58 (16.91%) Shell Script
13 55 (16.03%) Perl
14 51 (14.87%) Multithreading
15 48 (13.99%) Front Office
16 45 (13.12%) Puppet
17 44 (12.83%) Spring
18 42 (12.24%) C++
18 42 (12.24%) Ansible
19 41 (11.95%) Low Latency
19 41 (11.95%) OO
20 39 (11.37%) Open Source
21 37 (10.79%) Big Data
22 36 (10.50%) Amazon AWS
22 36 (10.50%) TDD
23 35 (10.20%) Solaris
24 34 (9.91%) Foreign Exchange (FX)
25 33 (9.62%) Red Hat
26 32 (9.33%) JIRA
26 32 (9.33%) Bash Shell

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 19 (5.54%) Tomcat
2 17 (4.96%) JBoss
3 15 (4.37%) Apache Spark
4 14 (4.08%) Confluence
4 14 (4.08%) Oracle Coherence
5 13 (3.79%) Apache
6 10 (2.92%) WebSphere
7 9 (2.62%) WebLogic
8 7 (2.04%) Mule
9 6 (1.75%) Apache Pig
10 5 (1.46%) Apache Solr
10 5 (1.46%) BizTalk Server
10 5 (1.46%) Elasticsearch
10 5 (1.46%) OpenStack
10 5 (1.46%) Oracle SOA Suite
11 3 (0.87%) GemFire
11 3 (0.87%) IBM Notes
11 3 (0.87%) IIS
12 2 (0.58%) CICS
12 2 (0.58%) nginx
Applications
1 10 (2.92%) Microsoft Office
2 6 (1.75%) MS Visio
3 4 (1.17%) Microsoft Excel
4 2 (0.58%) Spreadsheet
Business Applications
1 10 (2.92%) Global One
2 6 (1.75%) ION MarketView
3 5 (1.46%) Temenos T24
4 1 (0.29%) BusinessWorks
4 1 (0.29%) Remedy ITSM
4 1 (0.29%) RMDS
Cloud Services
1 36 (10.50%) Amazon AWS
2 11 (3.21%) Microsoft Azure
3 8 (2.33%) OpenShift
4 7 (2.04%) GitHub
4 7 (2.04%) Virtual Private Cloud
5 6 (1.75%) Cloud Computing
6 3 (0.87%) Bluemix
6 3 (0.87%) IBM Cloud
7 2 (0.58%) Amazon EC2
7 2 (0.58%) AWS Lambda
7 2 (0.58%) Trello
8 1 (0.29%) AWS CloudFormation
8 1 (0.29%) PaaS
8 1 (0.29%) SaaS
Communications & Networking
1 26 (7.58%) TCP/IP
2 20 (5.83%) Firewall
3 12 (3.50%) DNS
3 12 (3.50%) SAN
4 10 (2.92%) LDAP
5 8 (2.33%) NAS
6 6 (1.75%) DHCP
6 6 (1.75%) HTTP
6 6 (1.75%) Network Security
6 6 (1.75%) SNMP
7 5 (1.46%) SMTP
8 4 (1.17%) Internet
8 4 (1.17%) Intrusion Detection
8 4 (1.17%) LAN
8 4 (1.17%) SSL
9 3 (0.87%) Ethernet
9 3 (0.87%) WAN
10 2 (0.58%) DMZ
10 2 (0.58%) Intranet
10 2 (0.58%) Kerberos
Database & Business Intelligence
1 37 (10.79%) Big Data
2 25 (7.29%) SQL Server
3 23 (6.71%) Apache Cassandra
3 23 (6.71%) NoSQL
4 21 (6.12%) Hadoop
5 20 (5.83%) Relational Database
6 13 (3.79%) BusinessObjects
7 10 (2.92%) Apache Hive
7 10 (2.92%) RDBMS
8 9 (2.62%) MySQL
8 9 (2.62%) Oracle Database
9 8 (2.33%) HBase
10 6 (1.75%) Hazelcast
11 5 (1.46%) KDB
12 4 (1.17%) Data Warehouse
12 4 (1.17%) MongoDB
12 4 (1.17%) SQL Server Integration Services
13 3 (0.87%) BusinessObjects XI
13 3 (0.87%) DB2
13 3 (0.87%) Kdb+
Development Applications
1 32 (9.33%) Jenkins
1 32 (9.33%) JIRA
2 23 (6.71%) Git (software)
3 18 (5.25%) Maven
4 17 (4.96%) JUnit
5 13 (3.79%) Cucumber
6 11 (3.21%) Selenium
6 11 (3.21%) Subversion
7 7 (2.04%) Bitbucket
7 7 (2.04%) EasyMock
7 7 (2.04%) Mockito
8 6 (1.75%) Gradle
9 5 (1.46%) TeamCity
10 4 (1.17%) Ant
10 4 (1.17%) Jasmine
10 4 (1.17%) Sonatype Nexus
11 3 (0.87%) gulp
11 3 (0.87%) IntelliJ
11 3 (0.87%) Oracle APEX
11 3 (0.87%) Vagrant
General
1 161 (46.94%) Finance
2 120 (34.99%) Banking
3 60 (17.49%) Investment Banking
4 48 (13.99%) Front Office
5 13 (3.79%) Retail
6 10 (2.92%) Retail Banking
7 7 (2.04%) Financial Institution
8 5 (1.46%) Telecoms
9 4 (1.17%) Advertising
9 4 (1.17%) Games
10 2 (0.58%) Back Office
10 2 (0.58%) German Language
10 2 (0.58%) Legal
10 2 (0.58%) Private Banking
11 1 (0.29%) Billing
11 1 (0.29%) Digital Economy
11 1 (0.29%) Marketing
Job Titles
1 124 (36.15%) Developer
2 68 (19.83%) Java Developer
3 51 (14.87%) Senior Developer
4 49 (14.29%) Analyst
5 46 (13.41%) Senior Java Developer
6 26 (7.58%) DevOps Engineer
7 23 (6.71%) Linux Engineer
8 22 (6.41%) Support Analyst
9 18 (5.25%) Architect
10 16 (4.66%) Administrator
11 15 (4.37%) DevOps Developer
11 15 (4.37%) Unix Engineer
12 14 (4.08%) Linux/Unix DevOps
12 14 (4.08%) Senior DevOps
13 13 (3.79%) AWS DevOps
14 12 (3.50%) Software Engineer
14 12 (3.50%) Unix Administrator
15 11 (3.21%) C++ Developer
15 11 (3.21%) C++ Software Engineer
15 11 (3.21%) Unix Support
Libraries, Frameworks & Software Standards
1 44 (12.83%) Spring
2 27 (7.87%) XML
3 25 (7.29%) Hibernate
4 24 (7.00%) Middleware
5 22 (6.41%) HTML
6 20 (5.83%) SOAP
7 19 (5.54%) J2EE
8 17 (4.96%) CSS
9 16 (4.66%) .NET
10 14 (4.08%) Web Services
11 13 (3.79%) AngularJS
11 13 (3.79%) JSON
12 12 (3.50%) FIX Protocol
13 11 (3.21%) Java EE
13 11 (3.21%) JPA
13 11 (3.21%) Spring Boot
14 10 (2.92%) D3.js
14 10 (2.92%) HTML5
14 10 (2.92%) REST
15 8 (2.33%) Apache Camel
Miscellaneous
1 34 (9.91%) Foreign Exchange (FX)
2 26 (7.58%) Analytical Skills
2 26 (7.58%) Derivative
3 25 (7.29%) Fixed Income
4 23 (6.71%) Data Centre
5 22 (6.41%) Fintech
6 21 (6.12%) Equities
7 18 (5.25%) Client/Server
7 18 (5.25%) Data Structures
8 12 (3.50%) Algorithms
9 10 (2.92%) Equity Derivative
10 9 (2.62%) Greenfield Project
10 9 (2.62%) Management Information System
10 9 (2.62%) NHS
11 7 (2.04%) Enterprise Software
11 7 (2.04%) SWIFT
12 6 (1.75%) Mainframe
13 5 (1.46%) Computer Science
14 4 (1.17%) Clustering
14 4 (1.17%) iPad
Operating Systems
1 196 (57.14%) Linux
2 86 (25.07%) Windows
3 35 (10.20%) Solaris
4 27 (7.87%) Red Hat Enterprise Linux
5 19 (5.54%) Windows Server
6 7 (2.04%) AIX
7 5 (1.46%) CentOS
7 5 (1.46%) Mac OS
8 4 (1.17%) Mac OS X
9 3 (0.87%) OS/390
10 2 (0.58%) Android
10 2 (0.58%) Oracle Linux
10 2 (0.58%) SUSE Linux Enterprise Server
10 2 (0.58%) Windows 7
10 2 (0.58%) Windows 8
10 2 (0.58%) Windows Server 2008
10 2 (0.58%) Windows Server 2012
10 2 (0.58%) zOS
11 1 (0.29%) Data ONTAP
11 1 (0.29%) Windows Server 2003
Processes & Methodologies
1 87 (25.36%) Agile Software Development
2 61 (17.78%) DevOps
3 51 (14.87%) Multithreading
4 41 (11.95%) Low Latency
4 41 (11.95%) OO
5 39 (11.37%) Open Source
6 36 (10.50%) TDD
7 28 (8.16%) High Availability
8 26 (7.58%) Continuous Integration
8 26 (7.58%) Electronic Trading
9 25 (7.29%) Migration
9 25 (7.29%) SDLC
9 25 (7.29%) Software Engineering
9 25 (7.29%) Test Automation
10 20 (5.83%) MapReduce
10 20 (5.83%) Mentoring
11 18 (5.25%) Analytics
11 18 (5.25%) Configuration Management
12 17 (4.96%) Mathematics
13 16 (4.66%) Asset Management
Programming Languages
1 126 (36.73%) Java
2 104 (30.32%) SQL
3 92 (26.82%) Python
4 58 (16.91%) Shell Script
5 55 (16.03%) Perl
6 42 (12.24%) C++
7 32 (9.33%) Bash Shell
8 31 (9.04%) JavaScript
9 23 (6.71%) PowerShell
10 22 (6.41%) PL/SQL
11 13 (3.79%) C#
11 13 (3.79%) Ruby
12 9 (2.62%) Korn
13 7 (2.04%) C
14 6 (1.75%) R
15 5 (1.46%) VB
15 5 (1.46%) VBA
16 4 (1.17%) Groovy
16 4 (1.17%) T-SQL
17 3 (0.87%) JCL
Qualifications
1 20 (5.83%) Degree
2 6 (1.75%) Security Cleared
3 5 (1.46%) RHCA
3 5 (1.46%) RHCE
4 4 (1.17%) CISSP
4 4 (1.17%) CNA
4 4 (1.17%) Computer Science Degree
4 4 (1.17%) GCIA
4 4 (1.17%) GCIH
4 4 (1.17%) GIAC
4 4 (1.17%) Network+ Certification
4 4 (1.17%) Novell Certification
4 4 (1.17%) SANS
4 4 (1.17%) SC Cleared
5 2 (0.58%) OCPJP
6 1 (0.29%) CCNA
6 1 (0.29%) Cisco Certification
6 1 (0.29%) DV Cleared
6 1 (0.29%) Microsoft Certification
6 1 (0.29%) PRINCE2 Practitioner
Quality Assurance & Compliance
1 16 (4.66%) MiFID
2 10 (2.92%) QA
3 5 (1.46%) SEPA
4 2 (0.58%) Sarbanes-Oxley
4 2 (0.58%) SLA
5 1 (0.29%) Data Quality
5 1 (0.29%) ISAE 3402
5 1 (0.29%) ISO 9001
5 1 (0.29%) ISO/IEC 27001
5 1 (0.29%) PCI DSS
System Software
1 20 (5.83%) Docker
2 14 (4.08%) Active Directory
3 13 (3.79%) VMware Infrastructure
4 6 (1.75%) Hyper-V
5 5 (1.46%) HDFS
5 5 (1.46%) Oracle RAC
6 4 (1.17%) Apache ZooKeeper
6 4 (1.17%) LXC
7 3 (0.87%) NFS
7 3 (0.87%) Shibboleth
7 3 (0.87%) Time Sharing Option
7 3 (0.87%) Virtual Desktop
7 3 (0.87%) VMware ESXi
7 3 (0.87%) vSphere
8 2 (0.58%) VMware Server
9 1 (0.29%) Samba
9 1 (0.29%) Veritas Volume Manager
9 1 (0.29%) Virtual Machines
9 1 (0.29%) Xen
9 1 (0.29%) XenServer
Systems Management
1 45 (13.12%) Puppet
2 42 (12.24%) Ansible
3 27 (7.87%) Opscode Chef
4 10 (2.92%) Kubernetes
5 8 (2.33%) Grafana
5 8 (2.33%) Kibana
6 7 (2.04%) Prometheus
7 6 (1.75%) Tivoli
8 5 (1.46%) Nagios
8 5 (1.46%) Terraform
9 4 (1.17%) Control-M
9 4 (1.17%) Red Hat Satellite
9 4 (1.17%) Salt
10 3 (0.87%) AppManager
10 3 (0.87%) BMC PATROL
10 3 (0.87%) EMC NetWorker
10 3 (0.87%) NetBackup
10 3 (0.87%) Oracle Identity Management
10 3 (0.87%) Tivoli NetView
10 3 (0.87%) ZABBIX
Vendors
1 88 (25.66%) Oracle
2 33 (9.62%) Red Hat
3 26 (7.58%) VMware
4 25 (7.29%) IBM
5 23 (6.71%) Sybase
6 17 (4.96%) Splunk
7 14 (4.08%) Microsoft
7 14 (4.08%) TIBCO
8 11 (3.21%) Google
9 10 (2.92%) Atlassian
9 10 (2.92%) Bloomberg
10 9 (2.62%) ServiceNow
11 8 (2.33%) CyberArk
11 8 (2.33%) HP
12 7 (2.04%) NetApp
13 6 (1.75%) Citrix
13 6 (1.75%) ION Trading
13 6 (1.75%) webMethods
14 5 (1.46%) SimCorp
14 5 (1.46%) Temenos
City, London
Canary Wharf and City
Rate: £600 per day
Posted: 2 days ago
City, London
Crimson Ltd
Rate: £550 - £600 per day
Posted: 2 days ago
City, London
onezeero.
Rate: £450 - £500 per day + benefits
Posted: 4 days ago
City, London
Exclusive Recruitment
Rate: From £55,000 to £85,000 per annum
Posted: 4 days ago
City, London
Haysfm
Rate: £500.00 - £600.00 per day
Posted: 3 days ago
City, London
TEKsystems
Rate: £575 - £600 per day
Posted: 6 days ago
City, London
Paw Associates Ltd
Rate: Market Rate
Posted: 2 days ago
City, London
Roc Search
Posted: 4 days ago
City, London
EPAM Systems
Rate: From £450 to £451 per day
Posted: 19 days ago
City, London
EPAM Systems
Rate: From £460 to £461 per day or £90k perm
Posted: 19 days ago