Period
to 20 November 2017

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 20 November 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
Central London > City of London
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 39 35 27
Rank change year-on-year -4 -8 -4
Contract jobs citing Unix 354 393 541
As % of all contract IT jobs advertised in the City of London 4.99% 5.96% 5.92%
As % of the Operating Systems category 24.77% 28.19% 26.60%
Number of daily rates quoted 277 314 450
City of London median daily rate £525 £475 £500
Median daily rate % change year-on-year +10.53% -5.00% +7.24%
10th Percentile £363 £375 £315
90th Percentile £675 £675 £658
Central London median daily rate £525 £475 £475
% change year-on-year +10.53% - +3.26%
Number of hourly rates quoted 3 5 5
City of London median hourly rate £27.50 £27.50 £37.50
Median hourly rate % change year-on-year - -26.67% +7.14%
Central London median hourly rate £27.50 £27.50 £37.50
% change year-on-year - -26.67% +7.14%

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 1429 1394 2034
As % of all contract IT jobs advertised in the City of London 20.16% 21.14% 22.25%
Number of daily rates quoted 1129 1100 1610
City of London median daily rate £475 £463 £438
Median daily rate % change year-on-year +2.70% +5.71% +7.36%
10th Percentile £225 £275 £225
90th Percentile £675 £625 £625
Central London median daily rate £475 £450 £428
% change year-on-year +5.56% +5.26% +6.88%
Number of hourly rates quoted 48 29 63
City of London median hourly rate £15.75 £19.00 £19.50
Median hourly rate % change year-on-year -17.11% -2.56% +13.04%
10th Percentile £11.25 £11.25 £12.04
90th Percentile £26.28 £36.50 £36.60
Central London median hourly rate £17.00 £17.50 £18.00
% change year-on-year -2.86% -2.78% +12.50%

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 20 November 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

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 20 November 2017.

Contractor hourly rate histogram for Unix in the City of London

For the 6 months to 20 November 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
2 149 (42.09%) Finance
3 132 (37.29%) Java
4 115 (32.49%) Banking
5 110 (31.07%) Windows
6 95 (26.84%) SQL
7 87 (24.58%) Python
8 74 (20.90%) Agile Software Development
9 70 (19.77%) DevOps
10 65 (18.36%) Ansible
11 57 (16.10%) Oracle
12 56 (15.82%) Shell Script
12 56 (15.82%) Investment Banking
13 55 (15.54%) Amazon AWS
14 54 (15.25%) Jenkins
15 52 (14.69%) Perl
16 51 (14.41%) Git (software)
17 49 (13.84%) Maven
17 49 (13.84%) Spring
18 47 (13.28%) JavaScript
18 47 (13.28%) XML
19 46 (12.99%) Red Hat
19 46 (12.99%) Multithreading
20 45 (12.71%) Solaris
20 45 (12.71%) C++
21 40 (11.30%) Front Office
21 40 (11.30%) Bash Shell
22 39 (11.02%) Puppet
23 36 (10.17%) Red Hat Enterprise Linux
24 34 (9.60%) VMware

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 24 (6.78%) JBoss
2 22 (6.21%) Apache
2 22 (6.21%) Tomcat
3 19 (5.37%) WebSphere
4 13 (3.67%) Apache Spark
5 10 (2.82%) MQSeries
6 9 (2.54%) Elasticsearch
7 6 (1.69%) Apache Pig
7 6 (1.69%) IIS
7 6 (1.69%) WebLogic
7 6 (1.69%) WildFly
8 5 (1.41%) Apache Solr
8 5 (1.41%) Mule
8 5 (1.41%) OpenStack
9 4 (1.13%) Confluence
9 4 (1.13%) nginx
10 3 (0.85%) Cloud Foundry
10 3 (0.85%) MS Exchange
11 2 (0.56%) Jetty
11 2 (0.56%) Oracle Coherence
Applications
1 6 (1.69%) MS Visio
2 4 (1.13%) Microsoft Excel
2 4 (1.13%) Microsoft Office
3 2 (0.56%) SPSS
3 2 (0.56%) Weka
Business Applications
1 8 (2.26%) Temenos T24
2 5 (1.41%) BusinessWorks
2 5 (1.41%) Global One
3 4 (1.13%) Kondor
4 3 (0.85%) Oracle EBS
5 2 (0.56%) ION MarketView
5 2 (0.56%) Oracle Applications
6 1 (0.28%) Oracle ERP
6 1 (0.28%) Remedy ITSM
6 1 (0.28%) RMDS
6 1 (0.28%) SAP Oil and Gas
6 1 (0.28%) thinkFolio
Cloud Services
1 55 (15.54%) Amazon AWS
2 17 (4.80%) GitHub
2 17 (4.80%) Microsoft Azure
3 10 (2.82%) PaaS
4 8 (2.26%) Amazon EC2
4 8 (2.26%) IaaS
4 8 (2.26%) Virtual Private Cloud
5 6 (1.69%) npm
5 6 (1.69%) OpenShift
6 5 (1.41%) Amazon S3
6 5 (1.41%) Cloud Computing
7 4 (1.13%) AWS Lambda
7 4 (1.13%) Serverless
8 3 (0.85%) Bluemix
8 3 (0.85%) IBM Cloud
8 3 (0.85%) Route 53
8 3 (0.85%) SaaS
9 2 (0.56%) Amazon EMR
9 2 (0.56%) AWS Data Pipeline
9 2 (0.56%) Office 365
Communications & Networking
1 22 (6.21%) TCP/IP
2 20 (5.65%) Firewall
3 12 (3.39%) SAN
4 11 (3.11%) DNS
5 10 (2.82%) HTTP
5 10 (2.82%) LDAP
5 10 (2.82%) NAS
6 7 (1.98%) Intrusion Detection
7 6 (1.69%) DMZ
7 6 (1.69%) Internet
7 6 (1.69%) Kerberos
7 6 (1.69%) Network Security
7 6 (1.69%) SMTP
8 5 (1.41%) DHCP
8 5 (1.41%) SSL
9 4 (1.13%) LAN
10 3 (0.85%) MPLS
10 3 (0.85%) VPLS
10 3 (0.85%) WAN
11 2 (0.56%) Wireshark
Database & Business Intelligence
1 32 (9.04%) Relational Database
2 25 (7.06%) Hadoop
3 22 (6.21%) SQL Server
4 20 (5.65%) Big Data
5 18 (5.08%) RDBMS
6 14 (3.95%) HBase
6 14 (3.95%) MySQL
7 11 (3.11%) Apache Hive
8 10 (2.82%) NoSQL
9 9 (2.54%) Apache Cassandra
9 9 (2.54%) MongoDB
10 8 (2.26%) Data Warehouse
10 8 (2.26%) KDB
10 8 (2.26%) Oracle Database
11 6 (1.69%) BusinessObjects
12 5 (1.41%) Power BI
12 5 (1.41%) Sqoop
12 5 (1.41%) Sybase ASE
13 4 (1.13%) Amazon RDS
13 4 (1.13%) Redis
Development Applications
1 54 (15.25%) Jenkins
2 51 (14.41%) Git (software)
3 49 (13.84%) Maven
4 31 (8.76%) Subversion
5 28 (7.91%) JIRA
6 16 (4.52%) JUnit
6 16 (4.52%) TeamCity
7 13 (3.67%) Cucumber
8 9 (2.54%) Gradle
8 9 (2.54%) Sonatype Nexus
9 7 (1.98%) Mockito
9 7 (1.98%) Selenium
9 7 (1.98%) Vagrant
10 6 (1.69%) Ant
11 5 (1.41%) IBM UrbanCode
11 5 (1.41%) Team Foundation Server
12 4 (1.13%) Bitbucket
12 4 (1.13%) gulp
12 4 (1.13%) JIRA Agile
12 4 (1.13%) WebDriver
General
1 149 (42.09%) Finance
2 115 (32.49%) Banking
3 56 (15.82%) Investment Banking
4 40 (11.30%) Front Office
5 11 (3.11%) Back Office
5 11 (3.11%) Retail Banking
6 10 (2.82%) Retail
7 6 (1.69%) International Banking
8 5 (1.41%) Financial Institution
8 5 (1.41%) Games
8 5 (1.41%) Telecoms
9 4 (1.13%) Legal
10 3 (0.85%) Retail Finance
11 2 (0.56%) Advertising
11 2 (0.56%) German Language
12 1 (0.28%) Digital Economy
12 1 (0.28%) Law
12 1 (0.28%) Marketing
12 1 (0.28%) Pharmaceutical
12 1 (0.28%) Publishing
Job Titles
1 101 (28.53%) Developer
2 56 (15.82%) Java Developer
3 52 (14.69%) Analyst
4 39 (11.02%) DevOps Engineer
5 25 (7.06%) Administrator
5 25 (7.06%) Senior Developer
5 25 (7.06%) Support Analyst
6 24 (6.78%) Senior Java Developer
7 18 (5.08%) C++ Developer
8 13 (3.67%) AWS Engineer
9 12 (3.39%) Systems Administrator
9 12 (3.39%) Unix Administrator
10 11 (3.11%) Automation Engineer
11 10 (2.82%) Java Engineer
11 10 (2.82%) Linux Engineer
11 10 (2.82%) Unix Engineer
12 9 (2.54%) Lead DevOps
12 9 (2.54%) Senior Analyst
12 9 (2.54%) Senior DevOps
12 9 (2.54%) Technical Analyst
Libraries, Frameworks & Software Standards
1 49 (13.84%) Spring
2 47 (13.28%) XML
3 33 (9.32%) Middleware
4 31 (8.76%) FIX Protocol
5 29 (8.19%) Web Services
6 28 (7.91%) HTML
7 27 (7.63%) J2EE
8 19 (5.37%) REST
8 19 (5.37%) RESTful
9 17 (4.80%) .NET
9 17 (4.80%) HTML5
9 17 (4.80%) JSON
9 17 (4.80%) SOAP
10 16 (4.52%) JMS
11 15 (4.24%) Hibernate
11 15 (4.24%) Kafka
12 14 (3.95%) AngularJS
12 14 (3.95%) Node.js
13 13 (3.67%) RabbitMQ
13 13 (3.67%) React
Miscellaneous
1 33 (9.32%) Foreign Exchange (FX)
2 26 (7.34%) Data Centre
3 24 (6.78%) Analytical Skills
4 22 (6.21%) Fixed Income
5 21 (5.93%) Equities
6 19 (5.37%) Derivative
7 14 (3.95%) Greenfield Project
8 11 (3.11%) Linux Command Line
9 10 (2.82%) Computer Science
10 9 (2.54%) SWIFT
11 7 (1.98%) Data Structures
11 7 (1.98%) Mainframe
12 6 (1.69%) Credit Risk
12 6 (1.69%) Management Information System
13 5 (1.41%) Clustering
13 5 (1.41%) Enterprise Software
13 5 (1.41%) Online Games
14 4 (1.13%) Fintech
14 4 (1.13%) Hybrid Cloud
14 4 (1.13%) Private Cloud
Operating Systems
1 191 (53.95%) Linux
2 110 (31.07%) Windows
3 45 (12.71%) Solaris
4 36 (10.17%) Red Hat Enterprise Linux
5 24 (6.78%) Windows Server
6 10 (2.82%) AIX
7 7 (1.98%) Windows Server 2012
8 3 (0.85%) Android
8 3 (0.85%) Apple iOS
8 3 (0.85%) CentOS
8 3 (0.85%) HPUX
8 3 (0.85%) Mac OS X
9 2 (0.56%) Debian
9 2 (0.56%) Oracle Linux
9 2 (0.56%) SUSE
9 2 (0.56%) Ubuntu
9 2 (0.56%) Windows Server 2003
9 2 (0.56%) Windows Server 2008
9 2 (0.56%) Windows XP
9 2 (0.56%) zOS
Processes & Methodologies
1 74 (20.90%) Agile Software Development
2 70 (19.77%) DevOps
3 46 (12.99%) Multithreading
4 31 (8.76%) SDLC
5 27 (7.63%) Configuration Management
6 25 (7.06%) Test Automation
7 22 (6.21%) Continuous Integration
7 22 (6.21%) Scrum
8 20 (5.65%) Low Latency
9 19 (5.37%) High Availability
9 19 (5.37%) Migration
10 18 (5.08%) Information Security
10 18 (5.08%) ITIL
10 18 (5.08%) OO
10 18 (5.08%) Open Source
11 17 (4.80%) Analytics
11 17 (4.80%) Change Management
11 17 (4.80%) Client Onboarding
12 16 (4.52%) E-Commerce
12 16 (4.52%) Software Engineering
Programming Languages
1 132 (37.29%) Java
2 95 (26.84%) SQL
3 87 (24.58%) Python
4 56 (15.82%) Shell Script
5 52 (14.69%) Perl
6 47 (13.28%) JavaScript
7 45 (12.71%) C++
8 40 (11.30%) Bash Shell
9 28 (7.91%) Ruby
10 22 (6.21%) PowerShell
11 14 (3.95%) PL/SQL
12 11 (3.11%) C#
13 9 (2.54%) Korn
13 9 (2.54%) PHP
14 7 (1.98%) Scala
14 7 (1.98%) T-SQL
15 6 (1.69%) AWK
15 6 (1.69%) VBA
16 5 (1.41%) C
17 4 (1.13%) XPath
Qualifications
1 14 (3.95%) Degree
2 9 (2.54%) Security Cleared
3 5 (1.41%) CISSP
4 4 (1.13%) CISA
4 4 (1.13%) CISM
4 4 (1.13%) Computer Science Degree
4 4 (1.13%) Master's Degree
4 4 (1.13%) RHCE
4 4 (1.13%) SC Cleared
5 3 (0.85%) ITIL Certification
5 3 (0.85%) RHCA
6 2 (0.56%) Cisco Certification
6 2 (0.56%) DV Cleared
6 2 (0.56%) GCIA
6 2 (0.56%) GCIH
6 2 (0.56%) GIAC
6 2 (0.56%) Network+ Certification
6 2 (0.56%) Novell Certification
6 2 (0.56%) SANS
7 1 (0.28%) VCP6
Quality Assurance & Compliance
1 20 (5.65%) QA
2 16 (4.52%) MiFID
3 4 (1.13%) Sarbanes-Oxley
3 4 (1.13%) SLA
4 2 (0.56%) ISO/IEC 27001
4 2 (0.56%) SEPA
4 2 (0.56%) TARGET2
5 1 (0.28%) Data Quality
5 1 (0.28%) ISO 20022
5 1 (0.28%) ISO 8583
5 1 (0.28%) ISO 9001
System Software
1 25 (7.06%) Docker
2 17 (4.80%) Active Directory
3 13 (3.67%) HDFS
4 10 (2.82%) VMware Infrastructure
5 9 (2.54%) Hyper-V
6 8 (2.26%) Apache ZooKeeper
7 7 (1.98%) VMware ESXi
8 5 (1.41%) Apache Flume
8 5 (1.41%) KVM
9 3 (0.85%) vSphere
10 2 (0.56%) Firmware
10 2 (0.56%) iptables
10 2 (0.56%) NFS
10 2 (0.56%) RHEV
10 2 (0.56%) Time Sharing Option
10 2 (0.56%) Veritas Volume Manager
10 2 (0.56%) VirtualBox
11 1 (0.28%) Oracle RAC
11 1 (0.28%) Samba
11 1 (0.28%) Virtual Desktop
Systems Management
1 65 (18.36%) Ansible
2 39 (11.02%) Puppet
3 29 (8.19%) Opscode Chef
4 11 (3.11%) ITRS Geneos
4 11 (3.11%) Kubernetes
5 10 (2.82%) Kibana
6 9 (2.54%) Grafana
6 9 (2.54%) Nagios
7 8 (2.26%) Terraform
8 7 (1.98%) Prometheus
9 5 (1.41%) Hadoop YARN
9 5 (1.41%) NetBackup
10 3 (0.85%) BMC PATROL
10 3 (0.85%) Docker Swarm
10 3 (0.85%) Host Intrusion Detection System
10 3 (0.85%) logstash
10 3 (0.85%) Oracle Enterprise Manager
10 3 (0.85%) Tivoli Storage Manager
10 3 (0.85%) vRealize
10 3 (0.85%) ZABBIX
Vendors
1 57 (16.10%) Oracle
2 46 (12.99%) Red Hat
3 34 (9.60%) VMware
4 31 (8.76%) Sybase
5 27 (7.63%) IBM
6 23 (6.50%) Microsoft
7 18 (5.08%) Splunk
7 18 (5.08%) TIBCO
8 12 (3.39%) HP
9 11 (3.11%) Bloomberg
10 9 (2.54%) Reuters
11 8 (2.26%) Remedy
11 8 (2.26%) Veritas
12 7 (1.98%) CyberArk
12 7 (1.98%) Temenos
13 6 (1.69%) New Relic
13 6 (1.69%) ServiceNow
14 5 (1.41%) Cloudera
14 5 (1.41%) EMC
14 5 (1.41%) ION Trading