Period
to 14 December 2018

The following table provides summary statistics for contract job vacancies advertised in London with a requirement for High Availability skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited High Availability over the 6 months to 14 December 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.

High Availability
England > London
6 months to
14 Dec 2018
Same period 2017 Same period 2016
Rank 284 170 161
Rank change year-on-year -114 -9 +32
Contract jobs citing High Availability 419 765 769
As % of all contract IT jobs advertised in London 0.89% 1.61% 1.72%
As % of the Processes & Methodologies category 1.02% 1.83% 1.97%
Number of daily rates quoted 295 586 601
London median daily rate £525 £525 £500
Median daily rate % change year-on-year - +5.00% +5.26%
10th Percentile £373 £413 £375
90th Percentile £700 £658 £638
England median daily rate £500 £500 £475
% change year-on-year - +5.26% +11.76%
Number of hourly rates quoted 2 1 1
London median hourly rate £44.38 £169.50 £20.00
Median hourly rate % change year-on-year -73.82% +747.50% -23.81%
England median hourly rate £42.27 £40.00 £40.00
% change year-on-year +5.66% - +37.93%

High Availability is in the Processes and Methodologies 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 process or methodology skills.

All Process and Methodology Skills
London
Contract vacancies with a requirement for process or methodology skills 41,142 41,864 38,969
As % of all contract IT jobs advertised in London 87.87% 88.09% 87.36%
Number of daily rates quoted 29,661 30,436 27,850
London median daily rate £501 £500 £475
Median daily rate % change year-on-year +0.10% +5.26% +5.56%
10th Percentile £325 £313 £306
90th Percentile £675 £675 £648
England median daily rate £475 £450 £425
% change year-on-year +5.56% +5.88% -
Number of hourly rates quoted 463 390 441
London median hourly rate £24.08 £22.50 £22.00
Median hourly rate % change year-on-year +7.02% +2.27% +10.00%
10th Percentile £13.16 £13.30 £12.13
90th Percentile £54.52 £49.02 £50.00
England median hourly rate £22.22 £25.00 £22.92
% change year-on-year -11.14% +9.06% +4.19%

High Availability
Job Vacancy Trend in London

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

Job vacancy trend for High Availability in London

High Availability
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for High Availability in London

High Availability
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing High Availability in London over the 6 months to 14 December 2018.

Contractor daily rate histogram for High Availability in London

High Availability
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for High Availability in London

High Availability
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 High Availability within the London region over the 6 months to 14 December 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 +3 105 £550 +4.76% 29
West London -39 38 £538 -0.46% 39
South London -25 13 £450 -12.20% 4
East London -29 3 £450 -15.89% 5
North London -5 1 £403 -15.26% 4
High Availability
England

For the 6 months to 14 December 2018, IT contractor jobs citing High Availability 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 High Availability.

1 197 (47.02%) Agile Software Development
2 116 (27.68%) Docker
3 113 (26.97%) Java
4 108 (25.78%) Linux
5 98 (23.39%) Python
6 96 (22.91%) TDD
7 95 (22.67%) DevOps
8 92 (21.96%) SQL
9 90 (21.48%) Amazon AWS
10 85 (20.29%) Microsoft Azure
11 78 (18.62%) JavaScript
11 78 (18.62%) Kubernetes
11 78 (18.62%) Jenkins
12 76 (18.14%) RESTful
13 74 (17.66%) Finance
14 73 (17.42%) Low Latency
15 72 (17.18%) Microservices
16 71 (16.95%) Ansible
17 68 (16.23%) Google Cloud Platform
17 68 (16.23%) Google
18 67 (15.99%) Scrum
19 66 (15.75%) HTML
19 66 (15.75%) Git (software)
20 65 (15.51%) Open Source
21 63 (15.04%) Disaster Recovery
22 62 (14.80%) Continuous Delivery
22 62 (14.80%) Node.js
23 61 (14.56%) Continuous Integration
24 59 (14.08%) CSS
25 55 (13.13%) Microsoft

High Availability
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 19 (4.53%) Elasticsearch
1 19 (4.53%) OpenStack
2 18 (4.30%) Cloud Foundry
3 17 (4.06%) Apache
4 11 (2.63%) nginx
5 10 (2.39%) Apache Solr
6 9 (2.15%) Apache Spark
6 9 (2.15%) IIS
6 9 (2.15%) WebLogic
7 8 (1.91%) JBoss
7 8 (1.91%) Tomcat
8 7 (1.67%) Confluence
8 7 (1.67%) GlassFish
8 7 (1.67%) Jetty
9 6 (1.43%) MS Exchange
10 4 (0.95%) Skype for Business
10 4 (0.95%) WebSphere
10 4 (0.95%) WebSphere Application Server
11 3 (0.72%) CMS
11 3 (0.72%) Exchange Server 2010
Applications
1 6 (1.43%) Fireworks
1 6 (1.43%) Microsoft Office
1 6 (1.43%) Photoshop
2 5 (1.19%) Microsoft Excel
3 4 (0.95%) Microsoft Project
3 4 (0.95%) MS Visio
Business Applications
1 5 (1.19%) ION MarketView
Cloud Services
1 90 (21.48%) Amazon AWS
2 85 (20.29%) Microsoft Azure
3 68 (16.23%) Google Cloud Platform
4 38 (9.07%) PaaS
5 25 (5.97%) GitHub
6 23 (5.49%) IaaS
7 13 (3.10%) SaaS
7 13 (3.10%) Virtual Private Cloud
8 12 (2.86%) Azure Active Directory
8 12 (2.86%) Office 365
9 11 (2.63%) Heroku
10 9 (2.15%) npm
11 8 (1.91%) Cloud Computing
12 5 (1.19%) Akamai
12 5 (1.19%) Amazon SQS
12 5 (1.19%) AWS CloudFormation
12 5 (1.19%) AWS Elastic Beanstalk
13 4 (0.95%) Amazon EC2
14 3 (0.72%) Amazon CloudWatch
14 3 (0.72%) Serverless
Communications & Networking
1 50 (11.93%) Firewall
2 21 (5.01%) Internet
3 19 (4.53%) VPN
4 18 (4.30%) BGP
4 18 (4.30%) SAN
4 18 (4.30%) SSL
5 17 (4.06%) OSPF
6 14 (3.34%) Cisco ASA
6 14 (3.34%) NAS
6 14 (3.34%) WAN
7 13 (3.10%) DNS
7 13 (3.10%) Multicast
7 13 (3.10%) VLAN
8 12 (2.86%) HTTP
8 12 (2.86%) MPLS
9 11 (2.63%) LAN
10 10 (2.39%) Network Security
11 9 (2.15%) EIGRP
12 8 (1.91%) Wireless
13 7 (1.67%) IPv4
Database & Business Intelligence
1 47 (11.22%) SQL Server
2 43 (10.26%) Relational Database
3 37 (8.83%) MongoDB
4 28 (6.68%) NoSQL
5 23 (5.49%) PostgreSQL
6 19 (4.53%) Big Data
7 15 (3.58%) Apache Cassandra
7 15 (3.58%) MySQL
7 15 (3.58%) SQL Server Integration Services
8 13 (3.10%) Oracle Database
8 13 (3.10%) RDBMS
8 13 (3.10%) SQL Server Reporting Services
9 12 (2.86%) Azure SQL Database
10 11 (2.63%) Data Warehouse
10 11 (2.63%) SQL Server Analysis Services
11 8 (1.91%) Data Lake
11 8 (1.91%) HDInsight
12 7 (1.67%) Oracle Database 11g
12 7 (1.67%) Redis
13 5 (1.19%) Hadoop
Development Applications
1 78 (18.62%) Jenkins
2 66 (15.75%) Git (software)
3 25 (5.97%) JIRA
4 23 (5.49%) Hudson
5 15 (3.58%) Gradle
6 14 (3.34%) Gatling
7 13 (3.10%) JMeter
7 13 (3.10%) Maven
8 11 (2.63%) CF BOSH
8 11 (2.63%) WebDriver
9 10 (2.39%) Cucumber
9 10 (2.39%) LoadRunner
9 10 (2.39%) webpack
10 9 (2.15%) Selenium
10 9 (2.15%) Team Foundation Server
10 9 (2.15%) TeamCity
11 8 (1.91%) JUnit
11 8 (1.91%) Mercurial
11 8 (1.91%) Mockito
12 7 (1.67%) git-flow
General
1 74 (17.66%) Finance
2 26 (6.21%) Banking
3 25 (5.97%) Retail
4 13 (3.10%) Advertising
5 9 (2.15%) Games
6 8 (1.91%) Front Office
6 8 (1.91%) Marketing
7 5 (1.19%) Financial Institution
8 4 (0.95%) Investment Banking
8 4 (0.95%) Legal
8 4 (0.95%) Manufacturing
9 3 (0.72%) Pharmaceutical
9 3 (0.72%) Publishing
10 2 (0.48%) Billing
10 2 (0.48%) Law
10 2 (0.48%) Telecoms
11 1 (0.24%) Back Office
11 1 (0.24%) French Language
11 1 (0.24%) Retail Banking
11 1 (0.24%) Thai Language
Job Titles
1 173 (41.29%) Developer
2 57 (13.60%) DevOps Engineer
3 41 (9.79%) Java Developer
4 38 (9.07%) Architect
5 29 (6.92%) Network Engineer
6 26 (6.21%) Senior Developer
7 22 (5.25%) React Developer
8 19 (4.53%) Cloud Engineer
9 18 (4.30%) JavaScript Developer
10 17 (4.06%) .NET Developer
11 16 (3.82%) C# Developer
12 15 (3.58%) Scala Developer
13 14 (3.34%) Azure Architect
13 14 (3.34%) Azure DevOps
14 13 (3.10%) Senior .NET Developer
15 12 (2.86%) Consultant
16 11 (2.63%) Administrator
16 11 (2.63%) C# .NET Developer
16 11 (2.63%) SQL Developer
17 10 (2.39%) Azure Engineer
Libraries, Frameworks & Software Standards
1 76 (18.14%) RESTful
2 66 (15.75%) HTML
3 62 (14.80%) Node.js
4 59 (14.08%) CSS
5 53 (12.65%) React
6 49 (11.69%) Spring
7 42 (10.02%) HTML5
7 42 (10.02%) Web Services
8 41 (9.79%) Hibernate
9 38 (9.07%) .NET
10 37 (8.83%) AngularJS
11 35 (8.35%) CSS3
12 32 (7.64%) REST
13 30 (7.16%) Kafka
14 23 (5.49%) JPA
15 22 (5.25%) JSON
15 22 (5.25%) Redux
16 21 (5.01%) Spring Boot
17 18 (4.30%) XML
18 17 (4.06%) Spring MVC
Miscellaneous
1 37 (8.83%) Data Centre
2 36 (8.59%) Device Driver
3 24 (5.73%) Analytical Skills
4 22 (5.25%) User Experience
5 20 (4.77%) Fintech
6 19 (4.53%) Greenfield Project
7 17 (4.06%) Clustering
8 16 (3.82%) Embedded Systems
9 15 (3.58%) Biotechnology
10 14 (3.34%) Mobile App
10 14 (3.34%) Replication
11 12 (2.86%) Algorithms
11 12 (2.86%) Data Structures
12 11 (2.63%) Blog
12 11 (2.63%) Foreign Exchange (FX)
13 10 (2.39%) Linux Command Line
14 9 (2.15%) Management Information System
14 9 (2.15%) PKI
14 9 (2.15%) Self-Motivation
15 8 (1.91%) Fixed Income
Operating Systems
1 108 (25.78%) Linux
2 54 (12.89%) Windows
3 42 (10.02%) Unix
4 27 (6.44%) Windows Server
5 25 (5.97%) CentOS
6 20 (4.77%) Ubuntu
7 18 (4.30%) Red Hat Enterprise Linux
8 9 (2.15%) Apple iOS
9 8 (1.91%) Windows Server 2012
10 4 (0.95%) SUSE Linux Enterprise Server
10 4 (0.95%) Windows Server 2003
10 4 (0.95%) Windows Server 2008
11 3 (0.72%) Mac OS X
11 3 (0.72%) Windows 10
12 2 (0.48%) AIX
12 2 (0.48%) Mesosphere
12 2 (0.48%) Oracle Linux
12 2 (0.48%) Solaris
12 2 (0.48%) Windows 8
13 1 (0.24%) zOS
Processes & Methodologies
1 197 (47.02%) Agile Software Development
2 96 (22.91%) TDD
3 95 (22.67%) DevOps
4 73 (17.42%) Low Latency
5 72 (17.18%) Microservices
6 67 (15.99%) Scrum
7 65 (15.51%) Open Source
8 63 (15.04%) Disaster Recovery
9 62 (14.80%) Continuous Delivery
10 61 (14.56%) Continuous Integration
11 54 (12.89%) BDD
12 53 (12.65%) Problem-Solving
13 49 (11.69%) Software Engineering
14 44 (10.50%) Migration
14 44 (10.50%) Test Automation
15 38 (9.07%) Kanban
15 38 (9.07%) Pair Programming
16 37 (8.83%) Load Balancing
17 36 (8.59%) Front End Development
18 34 (8.11%) Performance Tuning
Programming Languages
1 113 (26.97%) Java
2 98 (23.39%) Python
3 92 (21.96%) SQL
4 78 (18.62%) JavaScript
5 47 (11.22%) Bash Shell
5 47 (11.22%) Go
6 41 (9.79%) Scala
7 37 (8.83%) C#
8 28 (6.68%) PowerShell
9 23 (5.49%) Shell Script
10 15 (3.58%) ES6
10 15 (3.58%) Java 8
10 15 (3.58%) Ruby
11 12 (2.86%) T-SQL
12 11 (2.63%) Groovy
13 10 (2.39%) Perl
13 10 (2.39%) PL/SQL
14 9 (2.15%) VB
15 6 (1.43%) C++
15 6 (1.43%) Objective-C
Qualifications
1 39 (9.31%) Degree
2 24 (5.73%) Cisco Certification
3 19 (4.53%) Computer Science Degree
4 16 (3.82%) CCIE
5 11 (2.63%) CCNP
5 11 (2.63%) Security Cleared
6 9 (2.15%) SC Cleared
7 4 (0.95%) CCNA
7 4 (0.95%) RHCE
7 4 (0.95%) RHCSA
7 4 (0.95%) RHCVA
8 3 (0.72%) AWS Certification
8 3 (0.72%) CCDP
8 3 (0.72%) CISSP
8 3 (0.72%) Microsoft Certification
9 2 (0.48%) CCSP
9 2 (0.48%) ITIL Certification
9 2 (0.48%) Microsoft Certified Architect
10 1 (0.24%) CCIE Service Provider
10 1 (0.24%) ITIL Foundation Certificate
Quality Assurance & Compliance
1 22 (5.25%) QA
2 6 (1.43%) SLA
3 3 (0.72%) EMIR
3 3 (0.72%) MiFID
4 2 (0.48%) ISAE 3402
5 1 (0.24%) Cyber Essentials
5 1 (0.24%) Cyber Essentials PLUS
5 1 (0.24%) Data Quality
5 1 (0.24%) GDPR
5 1 (0.24%) ISO 22301
5 1 (0.24%) ISO/IEC 27001
5 1 (0.24%) PCI DSS
5 1 (0.24%) PMO
System Software
1 116 (27.68%) Docker
2 44 (10.50%) Active Directory
3 26 (6.21%) VMware Infrastructure
4 6 (1.43%) Hyper-V
4 6 (1.43%) Virtual Machines
4 6 (1.43%) VMware ESXi
4 6 (1.43%) vSphere
5 5 (1.19%) Firmware
5 5 (1.19%) KVM
6 4 (0.95%) Apache ZooKeeper
6 4 (0.95%) Oracle RAC
6 4 (0.95%) RHEV
6 4 (0.95%) Samba
6 4 (0.95%) Sendmail
6 4 (0.95%) Varnish
6 4 (0.95%) Veritas File System
6 4 (0.95%) Virtual Servers
7 2 (0.48%) HDFS
7 2 (0.48%) XenApp
7 2 (0.48%) XenDesktop
Systems Management
1 78 (18.62%) Kubernetes
2 71 (16.95%) Ansible
3 34 (8.11%) Prometheus
4 29 (6.92%) Grafana
5 26 (6.21%) Puppet
6 21 (5.01%) Nagios
7 20 (4.77%) Icinga
8 17 (4.06%) Opscode Chef
9 10 (2.39%) Terraform
10 7 (1.67%) Kibana
10 7 (1.67%) logstash
11 6 (1.43%) Microsoft Clustering
12 5 (1.19%) Hadoop YARN
13 4 (0.95%) BladeLogic
13 4 (0.95%) BMC PATROL
13 4 (0.95%) Failover Clustering
13 4 (0.95%) OpenView
13 4 (0.95%) Tivoli
13 4 (0.95%) yum
14 3 (0.72%) SCCM
Vendors
1 68 (16.23%) Google
2 55 (13.13%) Microsoft
3 41 (9.79%) Red Hat
4 39 (9.31%) Oracle
5 36 (8.59%) VMware
6 30 (7.16%) Cisco
7 23 (5.49%) IBM
8 19 (4.53%) Splunk
9 17 (4.06%) F5
10 15 (3.58%) Citrix
11 14 (3.34%) AppDynamics
11 14 (3.34%) CheckPoint
12 10 (2.39%) Dell
12 10 (2.39%) SOASTA, Inc
13 8 (1.91%) HP
13 8 (1.91%) SAP
14 7 (1.67%) Bloomberg
14 7 (1.67%) Palo Alto
14 7 (1.67%) Reuters
14 7 (1.67%) webMethods