Period
to 18 July 2018

The following table provides summary statistics for contract job vacancies advertised in Central 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 18 July 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
London > Central London
6 months to
18 Jul 2018
Same period 2017 Same period 2016
Rank 64 40 34
Rank change year-on-year -24 -6 -3
Contract jobs citing Unix 367 376 477
As % of all contract IT jobs advertised in Central London 3.94% 4.94% 5.67%
As % of the Operating Systems category 19.25% 23.34% 26.30%
Number of daily rates quoted 298 302 407
Central London median daily rate £525 £550 £475
Median daily rate % change year-on-year -4.55% +15.79% -5.00%
10th Percentile £384 £351 £338
90th Percentile £638 £675 £638
London median daily rate £525 £500 £475
% change year-on-year +5.00% +5.26% -
Number of hourly rates quoted 1 0 1
Central London median hourly rate £22.50 - £16.52
10th Percentile £21.25 - £15.16
90th Percentile £23.75 - £17.87
London median hourly rate £31.75 £40.00 £17.50
% change year-on-year -20.63% +128.57% -17.84%

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 Central London with a requirement for operating system skills.

All Operating Systems
Central London
Contract vacancies with a requirement for operating system skills 1,906 1,611 1,814
As % of all contract IT jobs advertised in Central London 20.48% 21.17% 21.57%
Number of daily rates quoted 1,450 1,234 1,445
Central London median daily rate £500 £475 £451
Median daily rate % change year-on-year +5.26% +5.44% +6.00%
10th Percentile £187 £213 £251
90th Percentile £650 £638 £625
London median daily rate £486 £468 £450
% change year-on-year +4.01% +3.89% +5.88%
Number of hourly rates quoted 78 39 46
Central London median hourly rate £19.25 £18.69 £18.25
Median hourly rate % change year-on-year +3.00% +2.41% -2.41%
10th Percentile £14.00 £12.85 £11.25
90th Percentile £24.30 £131.50 £23.69
London median hourly rate £19.25 £20.75 £17.00
% change year-on-year -7.23% +22.06% -7.91%

Unix
Job Vacancy Trend in Central London

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

Job vacancy trend for Unix in Central London

Unix
Contractor Daily Rate Trend in Central London

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

Contractor daily rate trend for Unix in Central London

Unix
Contractor Daily Rate Histogram in Central London

The daily rate distribution of IT jobs citing Unix in Central London over the 6 months to 18 July 2018.

Contractor daily rate histogram for Unix in Central London

Unix
Contractor Hourly Rate Trend in Central London

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

Contractor hourly rate trend for Unix in Central London

Unix
Contract Job Locations in Central 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 Central London region over the 6 months to 18 July 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
City of London -21 299 £530 -3.64% 92
West End of London -7 21 £575 +43.75% 12
City of Westminster +6 14 £575 +64.29%
Southwark - 10 £525 -
Camden +5 8 £510 -
Unix
London

For the 6 months to 18 July 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 Central London region with a requirement for Unix.

1 192 (52.32%) Linux
2 157 (42.78%) Java
3 155 (42.23%) Finance
4 121 (32.97%) Agile Software Development
5 100 (27.25%) Banking
6 97 (26.43%) Windows
7 92 (25.07%) Python
8 88 (23.98%) SQL
9 78 (21.25%) Amazon AWS
10 77 (20.98%) Git (software)
11 74 (20.16%) Jenkins
12 72 (19.62%) DevOps
13 62 (16.89%) Oracle
13 62 (16.89%) Docker
14 56 (15.26%) SQL Server
14 56 (15.26%) Investment Banking
15 54 (14.71%) Spring
15 54 (14.71%) TDD
16 52 (14.17%) Relational Database
16 52 (14.17%) Test Automation
17 51 (13.90%) Bash Shell
18 50 (13.62%) REST
18 50 (13.62%) Continuous Integration
19 46 (12.53%) Opscode Chef
20 44 (11.99%) Ansible
21 42 (11.44%) Node.js
22 40 (10.90%) Scrum
23 38 (10.35%) Shell Script
24 37 (10.08%) Middleware
25 36 (9.81%) JavaScript

Unix
Co-occurring IT Skills in Central 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 25 (6.81%) Apache
2 23 (6.27%) Confluence
3 18 (4.90%) Tomcat
4 14 (3.81%) JBoss
5 13 (3.54%) Elasticsearch
6 11 (3.00%) WebSphere
7 10 (2.72%) WebLogic
8 9 (2.45%) Apache Spark
8 9 (2.45%) SAS
9 7 (1.91%) Cloud Foundry
10 6 (1.63%) nginx
11 5 (1.36%) IIS
12 4 (1.09%) Jupyter
12 4 (1.09%) SharePoint
13 3 (0.82%) CMS
13 3 (0.82%) Moodle
13 3 (0.82%) MS Exchange
13 3 (0.82%) WebSphere Application Server
14 2 (0.54%) IBM HTTP Server
14 2 (0.54%) IPython
Applications
1 15 (4.09%) Microsoft Excel
2 12 (3.27%) MS Visio
3 3 (0.82%) Spreadsheet
4 2 (0.54%) Microsoft Office
5 1 (0.27%) Microsoft Project
Business Applications
1 11 (3.00%) Actimize
2 9 (2.45%) Temenos T24
3 7 (1.91%) Temenos Globus
4 5 (1.36%) Salesforce.com CRM
5 3 (0.82%) RMDS
6 2 (0.54%) Advent Portfolio Exchange
6 2 (0.54%) Endur
7 1 (0.27%) BusinessWorks
7 1 (0.27%) Kondor
7 1 (0.27%) Oracle Applications
7 1 (0.27%) Oracle BPM
7 1 (0.27%) Oracle EBS
7 1 (0.27%) Sentinel
Cloud Services
1 78 (21.25%) Amazon AWS
2 24 (6.54%) GitHub
3 23 (6.27%) Amazon EC2
3 23 (6.27%) Virtual Private Cloud
4 22 (5.99%) Amazon S3
5 19 (5.18%) Microsoft Azure
6 15 (4.09%) AWS Lambda
6 15 (4.09%) Serverless
7 14 (3.81%) Google Cloud Platform
8 13 (3.54%) CloudFront
8 13 (3.54%) Route 53
9 12 (3.27%) Amazon CloudWatch
10 9 (2.45%) npm
11 7 (1.91%) PaaS
12 5 (1.36%) IaaS
13 4 (1.09%) OpenShift
13 4 (1.09%) SaaS
14 3 (0.82%) Cloud Computing
15 2 (0.54%) IBM Cloud
16 1 (0.27%) Fastly
Communications & Networking
1 33 (8.99%) Firewall
2 27 (7.36%) TCP/IP
3 25 (6.81%) HTTP
4 12 (3.27%) Network Security
5 10 (2.72%) DNS
5 10 (2.72%) SSL
6 9 (2.45%) Internet
6 9 (2.45%) LAN
7 7 (1.91%) Multicast
7 7 (1.91%) OSPF
8 6 (1.63%) Cisco IOS
8 6 (1.63%) WAN
9 5 (1.36%) DHCP
9 5 (1.36%) Extranet
9 5 (1.36%) IPsec
9 5 (1.36%) SSH
10 4 (1.09%) BGP
10 4 (1.09%) Intrusion Detection
10 4 (1.09%) Reverse Proxy
10 4 (1.09%) VPN
Database & Business Intelligence
1 56 (15.26%) SQL Server
2 52 (14.17%) Relational Database
3 29 (7.90%) NoSQL
4 28 (7.63%) MySQL
5 27 (7.36%) Big Data
6 20 (5.45%) Hadoop
7 17 (4.63%) RDBMS
8 15 (4.09%) MongoDB
9 14 (3.81%) Apache Hive
10 13 (3.54%) Amazon RDS
10 13 (3.54%) Oracle Database
10 13 (3.54%) PostgreSQL
11 12 (3.27%) Apache Cassandra
12 11 (3.00%) Sqoop
13 10 (2.72%) Impala
14 5 (1.36%) Couchbase
14 5 (1.36%) Neo4j
15 4 (1.09%) KDB
15 4 (1.09%) Kdb+
16 3 (0.82%) Blockchain
Development Applications
1 77 (20.98%) Git (software)
2 74 (20.16%) Jenkins
3 36 (9.81%) JIRA
4 28 (7.63%) Cucumber
5 26 (7.08%) JUnit
6 24 (6.54%) Maven
6 24 (6.54%) Mockito
7 20 (5.45%) Selenium
8 17 (4.63%) Gradle
9 16 (4.36%) Sonatype Nexus
10 12 (3.27%) TeamCity
11 11 (3.00%) IntelliJ
12 9 (2.45%) Subversion
13 6 (1.63%) Liquibase
14 5 (1.36%) Artifactory
14 5 (1.36%) WebDriver
15 4 (1.09%) GoCD
16 3 (0.82%) JBehave
16 3 (0.82%) jMock
16 3 (0.82%) Team Foundation Server
General
1 155 (42.23%) Finance
2 100 (27.25%) Banking
3 56 (15.26%) Investment Banking
4 30 (8.17%) Front Office
5 15 (4.09%) Back Office
6 11 (3.00%) Financial Institution
7 6 (1.63%) Legal
8 5 (1.36%) Retail
9 4 (1.09%) Advertising
10 3 (0.82%) Corporate Banking
11 2 (0.54%) Retail Banking
12 1 (0.27%) German Language
12 1 (0.27%) Law
12 1 (0.27%) Marketing
12 1 (0.27%) Publishing
12 1 (0.27%) Telecoms
Job Titles
1 123 (33.51%) Developer
2 72 (19.62%) Java Developer
3 47 (12.81%) Analyst
4 44 (11.99%) DevOps Engineer
5 28 (7.63%) Architect
6 26 (7.08%) AWS Engineer
7 25 (6.81%) AWS DevOps
8 24 (6.54%) AWS DevOps Engineer
9 23 (6.27%) Administrator
10 19 (5.18%) Senior Developer
10 19 (5.18%) Support Analyst
11 18 (4.90%) Consultant
11 18 (4.90%) Full Stack Developer
12 14 (3.81%) Linux Engineer
13 13 (3.54%) Applications Support
13 13 (3.54%) Cloud Engineer
13 13 (3.54%) Senior Java Developer
13 13 (3.54%) Solutions Architect
13 13 (3.54%) Systems Administrator
14 12 (3.27%) Security Engineer
Libraries, Frameworks & Software Standards
1 54 (14.71%) Spring
2 50 (13.62%) REST
3 42 (11.44%) Node.js
4 37 (10.08%) Middleware
5 34 (9.26%) HTML
6 33 (8.99%) Web Services
7 29 (7.90%) Hibernate
8 21 (5.72%) XML
9 20 (5.45%) React
10 19 (5.18%) Dropwizard
11 17 (4.63%) FIX Protocol
11 17 (4.63%) Redux
12 16 (4.36%) AngularJS
13 15 (4.09%) RESTful
14 13 (3.54%) CSS
14 13 (3.54%) Twitter Bootstrap
15 12 (3.27%) Angular 2
16 11 (3.00%) Java EE
16 11 (3.00%) JSON
16 11 (3.00%) Kafka
Miscellaneous
1 31 (8.45%) Analytical Skills
2 20 (5.45%) Computer Science
3 18 (4.90%) Algorithms
4 17 (4.63%) Foreign Exchange (FX)
5 16 (4.36%) Fintech
5 16 (4.36%) Linux Command Line
6 15 (4.09%) Data Centre
7 13 (3.54%) Equities
8 11 (3.00%) Wiki
9 10 (2.72%) Data Structures
9 10 (2.72%) Fixed Income
10 8 (2.18%) Derivative
10 8 (2.18%) Self-Motivation
11 6 (1.63%) Minimum Viable Product
12 5 (1.36%) iPad
12 5 (1.36%) SWIFT
12 5 (1.36%) User Experience
13 4 (1.09%) Hedge funds
13 4 (1.09%) Mainframe
13 4 (1.09%) PKI
Operating Systems
1 192 (52.32%) Linux
2 97 (26.43%) Windows
3 21 (5.72%) Red Hat Enterprise Linux
4 20 (5.45%) Solaris
5 19 (5.18%) Mac OS X
6 11 (3.00%) Windows Server
7 9 (2.45%) AIX
7 9 (2.45%) Apple iOS
8 7 (1.91%) SUSE Linux Enterprise Server
9 3 (0.82%) Mac OS
10 2 (0.54%) HPUX
10 2 (0.54%) Oracle Linux
10 2 (0.54%) Ubuntu
10 2 (0.54%) VMS
10 2 (0.54%) Windows 7
11 1 (0.27%) SUSE
11 1 (0.27%) Windows 2000
11 1 (0.27%) Windows NT
11 1 (0.27%) Windows Server 2003
11 1 (0.27%) zOS
Processes & Methodologies
1 121 (32.97%) Agile Software Development
2 72 (19.62%) DevOps
3 54 (14.71%) TDD
4 52 (14.17%) Test Automation
5 50 (13.62%) Continuous Integration
6 40 (10.90%) Scrum
7 32 (8.72%) Configuration Management
8 31 (8.45%) Multithreading
9 26 (7.08%) BDD
10 24 (6.54%) Continuous Delivery
11 22 (5.99%) ITIL
11 22 (5.99%) OO
12 20 (5.45%) Open Source
13 19 (5.18%) Migration
13 19 (5.18%) SDLC
14 17 (4.63%) Data Analysis
14 17 (4.63%) Pair Programming
14 17 (4.63%) Web Development
15 16 (4.36%) Information Security
16 15 (4.09%) Unit Testing
Programming Languages
1 157 (42.78%) Java
2 92 (25.07%) Python
3 88 (23.98%) SQL
4 51 (13.90%) Bash Shell
5 38 (10.35%) Shell Script
6 36 (9.81%) JavaScript
7 32 (8.72%) Perl
8 29 (7.90%) Ruby
9 27 (7.36%) Java 8
10 24 (6.54%) Groovy
11 23 (6.27%) C++
12 21 (5.72%) PowerShell
13 20 (5.45%) Scala
14 18 (4.90%) Korn
15 15 (4.09%) Go
16 13 (3.54%) PHP
17 9 (2.45%) C#
18 8 (2.18%) C
18 8 (2.18%) PL/SQL
19 6 (1.63%) R
Qualifications
1 18 (4.90%) AWS Certification
2 15 (4.09%) Degree
3 14 (3.81%) CISSP
4 12 (3.27%) Cisco Certification
5 9 (2.45%) Computer Science Degree
6 8 (2.18%) CISM
7 7 (1.91%) CCNA
8 6 (1.63%) Security Cleared
9 4 (1.09%) CEH
9 4 (1.09%) CISA
9 4 (1.09%) Master's Degree
9 4 (1.09%) SANS
10 3 (0.82%) CCNP
10 3 (0.82%) CCSA
10 3 (0.82%) SC Cleared
11 2 (0.54%) BPSS Clearance
11 2 (0.54%) JNCIA
11 2 (0.54%) JNCIP
11 2 (0.54%) JNCIS
11 2 (0.54%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 13 (3.54%) QA
2 4 (1.09%) ISO/IEC 27001
3 3 (0.82%) COREP
3 3 (0.82%) FINREP
3 3 (0.82%) SEPA
4 2 (0.54%) ISO/IEC 27005
4 2 (0.54%) MiFID
4 2 (0.54%) NIST 800
4 2 (0.54%) TARGET2
5 1 (0.27%) COBIT
5 1 (0.27%) Disclosure Scotland
5 1 (0.27%) Dodd-Frank
5 1 (0.27%) EMIR
5 1 (0.27%) GCP
5 1 (0.27%) HL7
5 1 (0.27%) PCI DSS
5 1 (0.27%) SLA
System Software
1 62 (16.89%) Docker
2 14 (3.81%) HDFS
3 12 (3.27%) Active Directory
4 11 (3.00%) VMware Infrastructure
5 10 (2.72%) VMware ESXi
6 6 (1.63%) vSphere
7 5 (1.36%) Firmware
8 4 (1.09%) Hyper-V
9 3 (0.82%) KVM
9 3 (0.82%) ProxySG
10 2 (0.54%) NFS
10 2 (0.54%) OpenAM
10 2 (0.54%) Oracle RAC
11 1 (0.27%) Apache ZooKeeper
11 1 (0.27%) pfSense
11 1 (0.27%) Virtual Machines
11 1 (0.27%) Virtual Servers
11 1 (0.27%) VirtualBox
Systems Management
1 46 (12.53%) Opscode Chef
2 44 (11.99%) Ansible
3 36 (9.81%) Puppet
4 32 (8.72%) Kubernetes
5 23 (6.27%) Terraform
6 12 (3.27%) Hadoop YARN
6 12 (3.27%) Prometheus
7 11 (3.00%) Grafana
8 10 (2.72%) Kibana
9 7 (1.91%) Docker Swarm
9 7 (1.91%) logstash
10 6 (1.63%) Control-M
10 6 (1.63%) PingFederate
11 3 (0.82%) RSA Archer
11 3 (0.82%) Tivoli Identity Manager
12 2 (0.54%) CASB
12 2 (0.54%) Consul
12 2 (0.54%) EMC VPLEX
12 2 (0.54%) vMotion
12 2 (0.54%) vRealize
Vendors
1 62 (16.89%) Oracle
2 26 (7.08%) Red Hat
3 24 (6.54%) IBM
4 23 (6.27%) VMware
5 22 (5.99%) Splunk
6 19 (5.18%) Cisco
7 18 (4.90%) Google
7 18 (4.90%) Microsoft
8 17 (4.63%) Sybase
9 16 (4.36%) CyberArk
10 14 (3.81%) Atlassian
11 11 (3.00%) Cloudera
12 10 (2.72%) AppDynamics
12 10 (2.72%) TIBCO
13 9 (2.45%) CA
13 9 (2.45%) HP
13 9 (2.45%) Reuters
13 9 (2.45%) SAP
13 9 (2.45%) Temenos
14 8 (2.18%) ServiceNow