Period
to 21 June 2018

The following table provides summary statistics for contract job vacancies advertised in 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 21 June 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
England > London
6 months to
21 Jun 2018
Same period 2017 Same period 2016
Rank 54 39 35
Rank change year-on-year -15 -4 -4
Contract jobs citing Unix 1,985 2,068 2,348
As % of all contract IT jobs advertised in London 4.41% 5.19% 5.36%
As % of the Operating Systems category 21.49% 25.51% 25.71%
Number of daily rates quoted 1,407 1,391 1,724
London median daily rate £525 £500 £475
Median daily rate % change year-on-year +5.00% +5.26% -
10th Percentile £363 £353 £316
90th Percentile £675 £675 £631
England median daily rate £500 £475 £430
% change year-on-year +5.26% +10.59% +1.06%
Number of hourly rates quoted 12 23 3
London median hourly rate £31.75 £43.50 £17.50
Median hourly rate % change year-on-year -27.01% +148.57% -12.50%
10th Percentile £16.43 £26.08 £15.38
90th Percentile £74.75 £47.40 £19.75
England median hourly rate £31.00 £40.00 £28.00
% change year-on-year -22.50% +42.86% -13.85%

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 London with a requirement for operating system skills.

All Operating Systems
London
Contract vacancies with a requirement for operating system skills 9,239 8,106 9,131
As % of all contract IT jobs advertised in London 20.53% 20.34% 20.84%
Number of daily rates quoted 6,543 5,687 6,473
London median daily rate £485 £463 £450
Median daily rate % change year-on-year +4.86% +2.78% +5.88%
10th Percentile £210 £261 £230
90th Percentile £650 £625 £600
England median daily rate £440 £425 £400
% change year-on-year +3.53% +6.25% +6.67%
Number of hourly rates quoted 319 203 228
London median hourly rate £19.49 £21.50 £17.00
Median hourly rate % change year-on-year -9.37% +26.47% -8.11%
10th Percentile £13.00 £12.88 £11.25
90th Percentile £47.83 £51.25 £43.75
England median hourly rate £17.50 £16.75 £16.97
% change year-on-year +4.48% -1.30% +5.01%

Unix
Job Vacancy Trend in London

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

Job vacancy trend for Unix in London

Unix
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Unix in London

Unix
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Unix in London over the 6 months to 21 June 2018.

Contractor daily rate histogram for Unix in London

Unix
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for Unix in London

Unix
Contractor Hourly Rate Histogram in London

The hourly rate distribution of IT jobs citing Unix in London over the 6 months to 21 June 2018.

Contractor hourly rate histogram for Unix in London

Unix
Contract Job Locations in 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 London region over the 6 months to 21 June 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
Central London -20 375 £525 -4.55% 102
South London -18 89 £550 +32.53% 15
West London -29 81 £500 +35.14% 36
East London -11 56 £500 -13.04% 16
North London +6 3 £329 -37.43% 1
Unix
England

For the 6 months to 21 June 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 London region with a requirement for Unix.

1 1,248 (62.87%) Linux
2 842 (42.42%) Java
3 603 (30.38%) Python
4 598 (30.13%) Finance
5 565 (28.46%) Agile Software Development
6 543 (27.36%) SQL
7 464 (23.38%) DevOps
8 410 (20.65%) Banking
9 401 (20.20%) Git (software)
10 381 (19.19%) Amazon AWS
11 367 (18.49%) Windows
12 325 (16.37%) Oracle
13 323 (16.27%) Jenkins
14 316 (15.92%) Relational Database
15 310 (15.62%) Docker
16 299 (15.06%) Perl
17 287 (14.46%) Test Automation
18 262 (13.20%) Bash Shell
19 259 (13.05%) Ansible
20 255 (12.85%) Shell Script
21 246 (12.39%) TDD
22 239 (12.04%) Puppet
23 234 (11.79%) Spring
24 228 (11.49%) Continuous Integration
25 222 (11.18%) Configuration Management
26 217 (10.93%) JIRA
27 214 (10.78%) Analytical Skills
28 207 (10.43%) Investment Banking
29 201 (10.13%) Maven
30 195 (9.82%) Front Office

Unix
Co-occurring IT Skills in 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
1 139 (7.00%) Confluence
2 137 (6.90%) Apache
3 78 (3.93%) Apache Spark
4 71 (3.58%) Tomcat
5 66 (3.32%) WebSphere
6 61 (3.07%) Elasticsearch
7 53 (2.67%) nginx
8 43 (2.17%) JBoss
9 27 (1.36%) CMS
10 26 (1.31%) Mule
11 24 (1.21%) IIS
11 24 (1.21%) WildFly
12 21 (1.06%) OpenStack
13 20 (1.01%) WebLogic
14 18 (0.91%) Cloud Foundry
15 17 (0.86%) Commerce Server
15 17 (0.86%) SAS
16 16 (0.81%) Apache Solr
16 16 (0.81%) SharePoint
17 14 (0.71%) Gunicorn
Applications
1 36 (1.81%) Microsoft Excel
2 24 (1.21%) Microsoft Office
3 23 (1.16%) MS Visio
4 8 (0.40%) Microsoft PowerPoint
5 6 (0.30%) HipChat
6 5 (0.25%) Spreadsheet
7 2 (0.10%) Microsoft Project
8 1 (0.050%) Autodesk Inventor
8 1 (0.050%) Shockwave
8 1 (0.050%) Simulink
Business Applications
1 16 (0.81%) ION MarketView
2 13 (0.65%) Temenos T24
3 10 (0.50%) Oracle EBS
3 10 (0.50%) Salesforce.com CRM
4 9 (0.45%) Actimize
4 9 (0.45%) Oracle Applications
4 9 (0.45%) Temenos Globus
5 7 (0.35%) HiPortfolio
5 7 (0.35%) RMDS
6 5 (0.25%) Endur
6 5 (0.25%) Global One
6 5 (0.25%) Kondor
7 3 (0.15%) BusinessWorks
7 3 (0.15%) Magento
7 3 (0.15%) OpenLink RightAngle
7 3 (0.15%) Oracle Procure-to-Pay
7 3 (0.15%) Remedy ITSM
8 2 (0.10%) Advent Portfolio Exchange
8 2 (0.10%) Oracle Internet Expenses
8 2 (0.10%) R3 Corda
Cloud Services
1 381 (19.19%) Amazon AWS
2 91 (4.58%) Microsoft Azure
3 90 (4.53%) GitHub
4 89 (4.48%) Serverless
5 88 (4.43%) AWS Lambda
6 80 (4.03%) Amazon EC2
7 74 (3.73%) Amazon S3
8 65 (3.27%) Virtual Private Cloud
9 56 (2.82%) Route 53
10 46 (2.32%) Google Cloud Platform
11 44 (2.22%) Amazon CloudWatch
12 41 (2.07%) Cloud Computing
13 40 (2.02%) CloudFront
14 32 (1.61%) IaaS
14 32 (1.61%) npm
15 25 (1.26%) PaaS
16 16 (0.81%) AWS CloudFormation
16 16 (0.81%) SaaS
17 13 (0.65%) Yarn
18 12 (0.60%) Amazon EMR
Communications & Networking
1 150 (7.56%) Firewall
2 149 (7.51%) TCP/IP
3 123 (6.20%) HTTP
4 75 (3.78%) DNS
5 69 (3.48%) Internet
6 64 (3.22%) SSL
7 51 (2.57%) SAN
8 42 (2.12%) LAN
9 36 (1.81%) WAN
10 31 (1.56%) DHCP
11 30 (1.51%) Kerberos
12 26 (1.31%) Network Security
12 26 (1.31%) SMS
13 23 (1.16%) VPN
14 20 (1.01%) OSPF
15 16 (0.81%) BGP
15 16 (0.81%) BIG-IP
15 16 (0.81%) SWIFTNet
16 14 (0.71%) MPLS
16 14 (0.71%) Multicast
Database & Business Intelligence
1 316 (15.92%) Relational Database
2 178 (8.97%) SQL Server
3 141 (7.10%) MySQL
4 138 (6.95%) NoSQL
5 123 (6.20%) MongoDB
6 121 (6.10%) Big Data
7 104 (5.24%) PostgreSQL
7 104 (5.24%) RDBMS
8 95 (4.79%) Oracle Database
9 91 (4.58%) Hadoop
10 58 (2.92%) Apache Cassandra
11 56 (2.82%) Amazon RDS
12 49 (2.47%) DB2
13 47 (2.37%) Apache Hive
14 36 (1.81%) Data Warehouse
15 34 (1.71%) KDB
15 34 (1.71%) Neo4j
16 32 (1.61%) Oracle Database 11g
17 24 (1.21%) Oracle Database 12c
18 22 (1.11%) Redis
Development Applications
1 401 (20.20%) Git (software)
2 323 (16.27%) Jenkins
3 217 (10.93%) JIRA
4 201 (10.13%) Maven
5 149 (7.51%) Mockito
6 145 (7.30%) JUnit
7 121 (6.10%) Cucumber
8 106 (5.34%) Subversion
9 85 (4.28%) Selenium
10 65 (3.27%) Gradle
11 56 (2.82%) Sonatype Nexus
12 49 (2.47%) Artifactory
12 49 (2.47%) TeamCity
13 48 (2.42%) Liquibase
14 45 (2.27%) Checkstyle
15 43 (2.17%) IntelliJ
16 42 (2.12%) SonarQube
17 39 (1.96%) Vagrant
18 35 (1.76%) Bitbucket
19 28 (1.41%) WebDriver
General
1 598 (30.13%) Finance
2 410 (20.65%) Banking
3 207 (10.43%) Investment Banking
4 195 (9.82%) Front Office
5 44 (2.22%) Financial Institution
6 39 (1.96%) Retail
7 38 (1.91%) Telecoms
8 32 (1.61%) Back Office
9 21 (1.06%) Games
10 15 (0.76%) Legal
10 15 (0.76%) Manufacturing
10 15 (0.76%) Marketing
11 12 (0.60%) Advertising
12 9 (0.45%) Electronics
13 7 (0.35%) Publishing
13 7 (0.35%) Retail Banking
14 5 (0.25%) Law
15 4 (0.20%) Corporate Banking
15 4 (0.20%) French Language
16 3 (0.15%) Turkish Language
Job Titles
1 718 (36.17%) Developer
2 325 (16.37%) Java Developer
3 227 (11.44%) DevOps Engineer
4 172 (8.66%) Analyst
5 151 (7.61%) Senior Developer
6 125 (6.30%) Administrator
7 110 (5.54%) Senior Java Developer
8 107 (5.39%) Linux Engineer
9 101 (5.09%) Architect
10 84 (4.23%) AWS Engineer
11 83 (4.18%) Systems Administrator
12 81 (4.08%) C++ Developer
13 78 (3.93%) Support Analyst
14 76 (3.83%) Unix Engineer
15 73 (3.68%) AWS DevOps
16 72 (3.63%) Linux/Unix DevOps
17 68 (3.43%) Consultant
18 67 (3.38%) Python Developer
19 63 (3.17%) AWS DevOps Engineer
20 56 (2.82%) Applications Support
Libraries, Frameworks & Software Standards
1 234 (11.79%) Spring
2 187 (9.42%) REST
3 155 (7.81%) HTML
4 152 (7.66%) Web Services
5 141 (7.10%) RESTful
6 138 (6.95%) Node.js
7 130 (6.55%) XML
8 118 (5.94%) Middleware
9 117 (5.89%) Hibernate
10 107 (5.39%) JMS
11 102 (5.14%) J2EE
12 95 (4.79%) Kafka
13 74 (3.73%) JAX-RS
14 69 (3.48%) Dropwizard
15 65 (3.27%) Elastic Stack
16 64 (3.22%) CSS
16 64 (3.22%) FIX Protocol
17 63 (3.17%) AngularJS
17 63 (3.17%) React
18 61 (3.07%) Java EE
Miscellaneous
1 214 (10.78%) Analytical Skills
2 154 (7.76%) Linux Command Line
3 136 (6.85%) Foreign Exchange (FX)
4 101 (5.09%) Algorithms
5 94 (4.74%) Computer Science
6 80 (4.03%) Data Centre
7 73 (3.68%) Data Structures
8 72 (3.63%) Equities
9 71 (3.58%) Greenfield Project
10 68 (3.43%) Fixed Income
11 67 (3.38%) Fintech
12 55 (2.77%) Derivative
13 38 (1.91%) Enterprise Software
14 36 (1.81%) Clustering
14 36 (1.81%) Replication
15 34 (1.71%) SWIFT
16 33 (1.66%) Self-Motivation
17 32 (1.61%) Management Information System
18 25 (1.26%) Mainframe
18 25 (1.26%) User Experience
Operating Systems
1 1,248 (62.87%) Linux
2 367 (18.49%) Windows
3 175 (8.82%) Solaris
4 146 (7.36%) Red Hat Enterprise Linux
5 87 (4.38%) Mac OS X
6 60 (3.02%) Windows Server
7 54 (2.72%) AIX
8 36 (1.81%) Ubuntu
9 29 (1.46%) CentOS
10 25 (1.26%) VMS
11 21 (1.06%) Apple iOS
12 20 (1.01%) HPUX
13 19 (0.96%) Mac OS
13 19 (0.96%) SUSE Linux Enterprise Server
14 16 (0.81%) Windows Server 2008
15 13 (0.65%) Windows 7
16 11 (0.55%) Windows Server 2003
16 11 (0.55%) Windows Server 2012
17 9 (0.45%) SUSE
18 7 (0.35%) Debian
Processes & Methodologies
1 565 (28.46%) Agile Software Development
2 464 (23.38%) DevOps
3 287 (14.46%) Test Automation
4 246 (12.39%) TDD
5 228 (11.49%) Continuous Integration
6 222 (11.18%) Configuration Management
7 190 (9.57%) OO
8 185 (9.32%) Open Source
9 184 (9.27%) Problem-Solving
10 173 (8.72%) Scrum
11 146 (7.36%) Migration
12 137 (6.90%) Microservices
13 135 (6.80%) BDD
14 121 (6.10%) Software Engineering
15 119 (5.99%) Multithreading
16 111 (5.59%) SDLC
17 101 (5.09%) E-Commerce
18 98 (4.94%) Continuous Delivery
19 97 (4.89%) ITIL
20 94 (4.74%) Low Latency
Programming Languages
1 842 (42.42%) Java
2 603 (30.38%) Python
3 543 (27.36%) SQL
4 299 (15.06%) Perl
5 262 (13.20%) Bash Shell
6 255 (12.85%) Shell Script
7 189 (9.52%) Ruby
8 175 (8.82%) JavaScript
9 141 (7.10%) Java 8
10 137 (6.90%) C++
11 110 (5.54%) Scala
12 64 (3.22%) PowerShell
13 62 (3.12%) PL/SQL
14 58 (2.92%) Groovy
15 57 (2.87%) Korn
15 57 (2.87%) PHP
16 55 (2.77%) C#
17 42 (2.12%) C
18 40 (2.02%) JPQL
19 38 (1.91%) Go
Qualifications
1 127 (6.40%) Security Cleared
2 123 (6.20%) Degree
3 96 (4.84%) SC Cleared
4 42 (2.12%) Computer Science Degree
5 38 (1.91%) Cisco Certification
6 32 (1.61%) CISSP
7 28 (1.41%) AWS Certification
8 25 (1.26%) CISM
9 19 (0.96%) BPSS Clearance
9 19 (0.96%) CCNA
10 18 (0.91%) CCNP
11 11 (0.55%) ITIL Certification
12 10 (0.50%) CEH
13 9 (0.45%) CCIE
13 9 (0.45%) DV Cleared
14 6 (0.30%) GCIH
14 6 (0.30%) Master's Degree
14 6 (0.30%) RHCE
14 6 (0.30%) SANS
15 5 (0.25%) ITIL Foundation Certificate
Quality Assurance & Compliance
1 69 (3.48%) QA
2 36 (1.81%) SLA
3 20 (1.01%) MiFID
4 16 (0.81%) GCP
5 15 (0.76%) Disclosure Scotland
5 15 (0.76%) EMIR
6 14 (0.71%) TARGET2
7 12 (0.60%) PCI DSS
8 11 (0.55%) ISO/IEC 27001
9 10 (0.50%) Dodd-Frank
10 9 (0.45%) COBIT
10 9 (0.45%) Sarbanes-Oxley
11 7 (0.35%) Data Quality
11 7 (0.35%) SEPA
12 6 (0.30%) NIST 800
13 5 (0.25%) GDPR
14 4 (0.20%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
15 3 (0.15%) COREP
15 3 (0.15%) FINREP
15 3 (0.15%) FISMA
System Software
1 310 (15.62%) Docker
2 56 (2.82%) VMware Infrastructure
3 45 (2.27%) Active Directory
4 41 (2.07%) HDFS
5 30 (1.51%) Firmware
6 27 (1.36%) NFS
7 23 (1.16%) VMware ESXi
8 19 (0.96%) Oracle RAC
9 17 (0.86%) Veritas Cluster Server
10 16 (0.81%) etcd
10 16 (0.81%) flannel
10 16 (0.81%) vSphere
11 11 (0.55%) KVM
12 9 (0.45%) Hyper-V
12 9 (0.45%) Virtual Machines
12 9 (0.45%) Virtual Servers
13 7 (0.35%) OpenAM
14 6 (0.30%) Ceph
15 5 (0.25%) iptables
15 5 (0.25%) Lustre
Systems Management
1 259 (13.05%) Ansible
2 239 (12.04%) Puppet
3 190 (9.57%) Opscode Chef
4 167 (8.41%) Kubernetes
5 113 (5.69%) Terraform
6 54 (2.72%) Grafana
7 41 (2.07%) logstash
8 35 (1.76%) BladeLogic
8 35 (1.76%) Kibana
9 30 (1.51%) Hadoop YARN
10 26 (1.31%) Prometheus
11 25 (1.26%) CFEngine
12 23 (1.16%) HAProxy
13 21 (1.06%) Nagios
14 19 (0.96%) Rancher
15 18 (0.91%) ITRS Geneos
16 17 (0.86%) Docker Swarm
17 16 (0.81%) Data Guard
17 16 (0.81%) Oozie
17 16 (0.81%) rkt
Vendors
1 325 (16.37%) Oracle
2 156 (7.86%) Red Hat
3 107 (5.39%) Splunk
4 98 (4.94%) VMware
5 91 (4.58%) Microsoft
6 86 (4.33%) IBM
7 81 (4.08%) Atlassian
8 76 (3.83%) Sybase
9 63 (3.17%) Google
10 62 (3.12%) Cisco
11 47 (2.37%) CyberArk
11 47 (2.37%) HP
12 45 (2.27%) AppDynamics
13 44 (2.22%) SaltStack
14 34 (1.71%) SAP
15 32 (1.61%) TIBCO
16 27 (1.36%) CA
17 26 (1.31%) Sun
17 26 (1.31%) Veritas
18 24 (1.21%) F5