Period
to 25 May 2019

The following table provides summary statistics for contract job vacancies advertised in the City of 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 25 May 2019 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
Central London > City of London
6 months to
25 May 2019
Same period 2018 Same period 2017
Rank 190 183 126
Rank change year-on-year -7 -57 +19
Contract jobs citing High Availability 49 71 107
As % of all contract IT jobs advertised in the City of London 0.76% 1.02% 1.74%
As % of the Processes & Methodologies category 0.85% 1.15% 1.98%
Number of daily rates quoted 38 64 77
City of London median daily rate £513 £550 £525
Median daily rate % change year-on-year -6.77% +4.76% +10.53%
10th Percentile £363 £425 £383
90th Percentile £653 £664 £684
Central London median daily rate £531 £550 £500
% change year-on-year -3.41% +10.00% +5.26%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

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 the City of London with a requirement for process or methodology skills.

All Process and Methodology Skills
City of London
Contract vacancies with a requirement for process or methodology skills 5,755 6,150 5,415
As % of all contract IT jobs advertised in the City of London 88.96% 88.15% 87.88%
Number of daily rates quoted 4,422 4,859 4,190
City of London median daily rate £525 £501 £500
Median daily rate % change year-on-year +4.90% +0.10% +5.26%
10th Percentile £340 £327 £313
90th Percentile £675 £688 £675
Central London median daily rate £525 £500 £475
% change year-on-year +5.00% +5.26% +2.70%
Number of hourly rates quoted 60 98 45
City of London median hourly rate £21.32 £18.85 £18.70
Median hourly rate % change year-on-year +13.12% +0.80% -6.50%
10th Percentile £11.25 £12.29 £12.80
90th Percentile £56.50 £38.48 £29.77
Central London median hourly rate £21.34 £20.00 £16.96
% change year-on-year +6.70% +17.92% -15.20%

High Availability
Job Vacancy Trend in the City of London

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

Job vacancy trend for High Availability in the City of London

High Availability
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 High Availability in the City of London.

Contractor daily rate trend for High Availability in the City of London

High Availability
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing High Availability in the City of London over the 6 months to 25 May 2019.

Contractor daily rate histogram for High Availability in the City of London

High Availability
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 High Availability in the City of London.

Contractor hourly rate trend for High Availability in the City of London

For the 6 months to 25 May 2019, 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 City of London region with a requirement for High Availability.

1 17 (34.69%) Finance
2 16 (32.65%) SQL
3 14 (28.57%) Linux
4 13 (26.53%) Agile Software Development
4 13 (26.53%) Banking
4 13 (26.53%) Java
5 12 (24.49%) Windows
5 12 (24.49%) Microsoft Azure
6 11 (22.45%) SQL Server
6 11 (22.45%) DNS
7 10 (20.41%) TCP/IP
7 10 (20.41%) PowerShell
7 10 (20.41%) DevOps
8 9 (18.37%) Amazon AWS
8 9 (18.37%) Cisco
8 9 (18.37%) Python
9 8 (16.33%) JavaScript
9 8 (16.33%) Low Latency
10 7 (14.29%) React
10 7 (14.29%) Microsoft
10 7 (14.29%) Active Directory
10 7 (14.29%) SAN
10 7 (14.29%) CheckPoint
10 7 (14.29%) Shell Script
10 7 (14.29%) OSPF
10 7 (14.29%) VLAN
11 6 (12.24%) VMware Infrastructure
11 6 (12.24%) SQL Server 2012
11 6 (12.24%) LAN
11 6 (12.24%) WAN

High Availability
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 5 (10.20%) MS Exchange
2 3 (6.12%) Exchange Server 2010
3 2 (4.08%) Apache
3 2 (4.08%) Blackberry Enterprise Server
3 2 (4.08%) Exchange Server 2013
3 2 (4.08%) GlassFish
3 2 (4.08%) Jetty
3 2 (4.08%) Skype for Business
4 1 (2.04%) Apache Airflow
4 1 (2.04%) Confluence
4 1 (2.04%) IIS
4 1 (2.04%) JBoss
4 1 (2.04%) SharePoint
4 1 (2.04%) Tomcat
4 1 (2.04%) WebSphere
Applications
1 3 (6.12%) Microsoft Office
Business Applications
1 1 (2.04%) Actimize
Cloud Services
1 12 (24.49%) Microsoft Azure
2 9 (18.37%) Amazon AWS
3 5 (10.20%) Google Cloud Platform
3 5 (10.20%) Power Platform
4 3 (6.12%) Azure Active Directory
4 3 (6.12%) Datadog
4 3 (6.12%) IaaS
4 3 (6.12%) PaaS
4 3 (6.12%) SaaS
5 2 (4.08%) Amazon CloudWatch
5 2 (4.08%) AWS CloudFormation
5 2 (4.08%) AWS CodePipeline
5 2 (4.08%) Cloud Computing
5 2 (4.08%) GitHub
5 2 (4.08%) Mimecast
5 2 (4.08%) Office 365
6 1 (2.04%) Amazon S3
6 1 (2.04%) Apigee
6 1 (2.04%) AWS CloudTrail
6 1 (2.04%) Serverless
Communications & Networking
1 11 (22.45%) DNS
2 10 (20.41%) TCP/IP
3 7 (14.29%) OSPF
3 7 (14.29%) SAN
3 7 (14.29%) VLAN
4 6 (12.24%) LAN
4 6 (12.24%) WAN
5 5 (10.20%) DHCP
6 4 (8.16%) HSRP
6 4 (8.16%) Internet
6 4 (8.16%) Spanning Tree
6 4 (8.16%) VRRP
7 3 (6.12%) BGP
7 3 (6.12%) EIGRP
7 3 (6.12%) Firewall
7 3 (6.12%) IPv4
7 3 (6.12%) Multicast
7 3 (6.12%) NX-OS
7 3 (6.12%) Software-Defined Networking
7 3 (6.12%) SSL
Database & Business Intelligence
1 11 (22.45%) SQL Server
2 6 (12.24%) SQL Server 2012
3 5 (10.20%) Power BI
3 5 (10.20%) Relational Database
3 5 (10.20%) SQL Server Integration Services
3 5 (10.20%) SQL Server Reporting Services
4 4 (8.16%) Azure SQL Database
4 4 (8.16%) NoSQL
4 4 (8.16%) SQL Server 2005
4 4 (8.16%) SQL Server 2008
4 4 (8.16%) SQL Server 2014
4 4 (8.16%) SQL Server 2016
4 4 (8.16%) SQL Server Analysis Services
5 3 (6.12%) Big Data
5 3 (6.12%) MySQL
6 2 (4.08%) Redis
7 1 (2.04%) Amazon RDS
7 1 (2.04%) BigQuery
7 1 (2.04%) Hadoop
7 1 (2.04%) Oracle Database
Development Applications
1 4 (8.16%) Jenkins
2 2 (4.08%) Bitbucket
2 2 (4.08%) Grunt
2 2 (4.08%) gulp
2 2 (4.08%) Maven
3 1 (2.04%) Artifactory
3 1 (2.04%) Git (software)
3 1 (2.04%) Hudson
3 1 (2.04%) JIRA
3 1 (2.04%) Sonatype Nexus
3 1 (2.04%) Spinnaker
3 1 (2.04%) TeamCity
General
1 17 (34.69%) Finance
2 13 (26.53%) Banking
3 2 (4.08%) Financial Institution
3 2 (4.08%) International Banking
3 2 (4.08%) Investment Banking
3 2 (4.08%) Retail
4 1 (2.04%) Prime Brokerage
Job Titles
1 14 (28.57%) Developer
2 8 (16.33%) Architect
3 6 (12.24%) DBA
3 6 (12.24%) Java Developer
4 5 (10.20%) DevOps Engineer
4 5 (10.20%) SQL DBA
5 4 (8.16%) Network Architect
6 3 (6.12%) Azure Architect
6 3 (6.12%) Azure Specialist
6 3 (6.12%) Cloud Specialist
6 3 (6.12%) Data Engineer
6 3 (6.12%) JavaScript Developer
6 3 (6.12%) Senior DevOps
6 3 (6.12%) Senior DevOps Engineer
6 3 (6.12%) Technical Specialist
6 3 (6.12%) Voice Engineer
6 3 (6.12%) Voice Network Engineer
7 2 (4.08%) AWS DevOps
7 2 (4.08%) AWS DevOps Engineer
7 2 (4.08%) Commodities Java Developer
Libraries, Frameworks & Software Standards
1 7 (14.29%) React
2 5 (10.20%) Node.js
2 5 (10.20%) Spring
3 4 (8.16%) REST
4 3 (6.12%) Hibernate
4 3 (6.12%) RabbitMQ
5 2 (4.08%) .NET
5 2 (4.08%) Akka
5 2 (4.08%) AngularJS
5 2 (4.08%) ASP.NET
5 2 (4.08%) ASP.NET MVC
5 2 (4.08%) Flask
5 2 (4.08%) HTML
5 2 (4.08%) J2EE
5 2 (4.08%) JPA
5 2 (4.08%) jQuery
5 2 (4.08%) Middleware
5 2 (4.08%) Redux
5 2 (4.08%) Spring Boot
5 2 (4.08%) ZeroMQ
Miscellaneous
1 6 (12.24%) Replication
2 4 (8.16%) Foreign Exchange (FX)
2 4 (8.16%) Greenfield Project
3 3 (6.12%) Analytical Skills
3 3 (6.12%) Clustering
3 3 (6.12%) Enterprise Software
3 3 (6.12%) Fixed Income
3 3 (6.12%) Hybrid Cloud
3 3 (6.12%) Public Cloud
3 3 (6.12%) Self-Motivation
4 2 (4.08%) Algorithms
4 2 (4.08%) Data Centre
4 2 (4.08%) Data Structures
4 2 (4.08%) EMC VNX
4 2 (4.08%) Equities
5 1 (2.04%) Blog
5 1 (2.04%) Cyberthreat
5 1 (2.04%) Derivative
5 1 (2.04%) Mobile App
5 1 (2.04%) PKI
Operating Systems
1 14 (28.57%) Linux
2 12 (24.49%) Windows
3 6 (12.24%) Windows Server
4 4 (8.16%) Unix
5 3 (6.12%) Windows Server 2008
6 2 (4.08%) Apple iOS
7 1 (2.04%) Red Hat Enterprise Linux
7 1 (2.04%) Solaris
Processes & Methodologies
1 13 (26.53%) Agile Software Development
2 10 (20.41%) DevOps
3 8 (16.33%) Low Latency
4 6 (12.24%) Performance Monitoring
4 6 (12.24%) Performance Tuning
5 5 (10.20%) Business Intelligence
5 5 (10.20%) Capacity Planning
5 5 (10.20%) Continuous Integration
5 5 (10.20%) Root Cause Analysis
5 5 (10.20%) Scrum
5 5 (10.20%) Task Automation
6 4 (8.16%) Asynchronous Programming
6 4 (8.16%) Continuous Deployment
6 4 (8.16%) Event-Driven Architecture
6 4 (8.16%) Microservices
6 4 (8.16%) Migration
6 4 (8.16%) SQL Optimisation
6 4 (8.16%) TDD
7 3 (6.12%) Continuous Improvement
7 3 (6.12%) Mentoring
Programming Languages
1 16 (32.65%) SQL
2 13 (26.53%) Java
3 10 (20.41%) PowerShell
4 9 (18.37%) Python
5 8 (16.33%) JavaScript
6 7 (14.29%) Shell Script
7 4 (8.16%) Bash Shell
7 4 (8.16%) Go
8 3 (6.12%) Perl
8 3 (6.12%) Scala
9 2 (4.08%) C#
9 2 (4.08%) C++
10 1 (2.04%) ES6
10 1 (2.04%) Java 8
10 1 (2.04%) Java 9
10 1 (2.04%) Kotlin
10 1 (2.04%) PHP
10 1 (2.04%) PL/SQL
10 1 (2.04%) Ruby
Qualifications
1 3 (6.12%) CCNP
1 3 (6.12%) Cisco Certification
1 3 (6.12%) CISSP
2 2 (4.08%) CCVP
2 2 (4.08%) Degree
3 1 (2.04%) AWS Certification
3 1 (2.04%) ITIL Certification
Quality Assurance & Compliance
1 2 (4.08%) COBIT
2 1 (2.04%) Data Quality
2 1 (2.04%) PSD2
2 1 (2.04%) QA
System Software
1 7 (14.29%) Active Directory
2 6 (12.24%) VMware Infrastructure
3 5 (10.20%) Docker
3 5 (10.20%) Hyper-V
4 3 (6.12%) Apache ZooKeeper
5 2 (4.08%) etcd
5 2 (4.08%) Virtual Servers
6 1 (2.04%) Oracle RAC
6 1 (2.04%) vSphere
Systems Management
1 4 (8.16%) Consul
1 4 (8.16%) Opscode Chef
2 3 (6.12%) Cisco CUCM
2 3 (6.12%) NetBackup
2 3 (6.12%) Puppet
2 3 (6.12%) SCCM
2 3 (6.12%) SCOM
2 3 (6.12%) SCSM
2 3 (6.12%) SCVMM
2 3 (6.12%) Terraform
3 2 (4.08%) Ansible
3 2 (4.08%) Cisco UCCX
3 2 (4.08%) Failover Clustering
3 2 (4.08%) Kibana
3 2 (4.08%) Kubernetes
3 2 (4.08%) Microsoft Clustering
3 2 (4.08%) Symantec Enterprise Vault
3 2 (4.08%) vMotion
4 1 (2.04%) Docker Swarm
4 1 (2.04%) PingFederate
Vendors
1 9 (18.37%) Cisco
2 7 (14.29%) CheckPoint
2 7 (14.29%) Microsoft
3 6 (12.24%) VMware
4 5 (10.20%) Dell
4 5 (10.20%) Symantec
5 4 (8.16%) F5
5 4 (8.16%) Google
6 3 (6.12%) NetApp
6 3 (6.12%) New Relic
6 3 (6.12%) Palo Alto
6 3 (6.12%) Red Box
6 3 (6.12%) Veritas
7 2 (4.08%) Dell Compellent
7 2 (4.08%) EMC
7 2 (4.08%) Meraki
7 2 (4.08%) MobileIron
7 2 (4.08%) Red Hat
7 2 (4.08%) Splunk
7 2 (4.08%) StreamBase