Period
to 23 October 2018

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 23 October 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
Central London > City of London
6 months to
23 Oct 2018
Same period 2017 Same period 2016
Rank 169 157 86
Rank change year-on-year -12 -71 +86
Contract jobs citing High Availability 86 95 194
As % of all contract IT jobs advertised in the City of London 1.22% 1.37% 2.93%
As % of the Processes & Methodologies category 1.41% 1.54% 3.33%
Number of daily rates quoted 78 70 183
City of London median daily rate £550 £519 £525
Median daily rate % change year-on-year +6.02% -1.19% +11.70%
10th Percentile £404 £375 £407
90th Percentile £638 £638 £588
Central London median daily rate £550 £505 £500
% change year-on-year +8.91% +1.00% +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 6,081 6,183 5,826
As % of all contract IT jobs advertised in the City of London 86.53% 89.22% 87.91%
Number of daily rates quoted 4,836 4,882 4,670
City of London median daily rate £510 £500 £475
Median daily rate % change year-on-year +2.00% +5.26% +2.70%
10th Percentile £325 £325 £313
90th Percentile £675 £675 £660
Central London median daily rate £500 £500 £475
% change year-on-year - +5.26% +5.56%
Number of hourly rates quoted 97 55 53
City of London median hourly rate £18.70 £18.70 £20.00
Median hourly rate % change year-on-year - -6.50% -
10th Percentile £13.00 £13.31 £11.25
90th Percentile £29.85 £31.20 £54.03
Central London median hourly rate £18.70 £18.85 £19.00
% change year-on-year -0.80% -0.79% -4.32%

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 23 October 2018.

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

High Availability
Contract Job Locations in the City of 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 City of London region over the 6 months to 23 October 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
London Bridge - 1 £620 -
High Availability
Central London

For the 6 months to 23 October 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 City of London region with a requirement for High Availability.

1 49 (56.98%) Agile Software Development
2 42 (48.84%) DevOps
3 34 (39.53%) Docker
4 33 (38.37%) Linux
5 31 (36.05%) Bash Shell
6 27 (31.40%) Jenkins
7 25 (29.07%) Grafana
8 24 (27.91%) Python
9 22 (25.58%) MongoDB
10 21 (24.42%) Red Hat
10 21 (24.42%) Prometheus
10 21 (24.42%) Site Reliability Engineering
11 20 (23.26%) GitHub
11 20 (23.26%) Nagios
11 20 (23.26%) Google
12 19 (22.09%) Ubuntu
12 19 (22.09%) CentOS
12 19 (22.09%) Device Driver
12 19 (22.09%) Kafka
12 19 (22.09%) Go
12 19 (22.09%) Icinga
12 19 (22.09%) Immutable Infrastructure
13 18 (20.93%) SQL
14 17 (19.77%) Microservices
14 17 (19.77%) Kubernetes
15 16 (18.60%) Java
16 15 (17.44%) Microsoft
16 15 (17.44%) Test Automation
16 15 (17.44%) Microsoft Azure
16 15 (17.44%) TDD

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 7 (8.14%) Elasticsearch
2 4 (4.65%) SharePoint
3 3 (3.49%) Confluence
3 3 (3.49%) IIS
4 2 (2.33%) Apache Solr
4 2 (2.33%) Apache Spark
4 2 (2.33%) NServiceBus
5 1 (1.16%) Apache
5 1 (1.16%) Cloud Foundry
Applications
1 1 (1.16%) Microsoft Excel
1 1 (1.16%) Microsoft Office
Business Applications
1 1 (1.16%) Summit
Cloud Services
1 20 (23.26%) GitHub
2 15 (17.44%) Microsoft Azure
3 8 (9.30%) Amazon AWS
3 8 (9.30%) IaaS
3 8 (9.30%) PaaS
4 7 (8.14%) Azure Active Directory
4 7 (8.14%) Office 365
5 5 (5.81%) Akamai
5 5 (5.81%) AWS Elastic Beanstalk
6 1 (1.16%) Amazon CloudWatch
6 1 (1.16%) Amazon EC2
6 1 (1.16%) Amazon ElastiCache
6 1 (1.16%) Apigee
6 1 (1.16%) AWS CloudFormation
6 1 (1.16%) OpenShift
6 1 (1.16%) SaaS
Communications & Networking
1 8 (9.30%) Firewall
2 6 (6.98%) VLAN
3 5 (5.81%) BGP
3 5 (5.81%) EIGRP
3 5 (5.81%) Internet
3 5 (5.81%) SAN
3 5 (5.81%) WAN
4 4 (4.65%) Cisco ASA
4 4 (4.65%) DNS
4 4 (4.65%) HTTP
4 4 (4.65%) IPv4
4 4 (4.65%) Multicast
4 4 (4.65%) NX-OS
4 4 (4.65%) OSPF
5 3 (3.49%) DHCP
5 3 (3.49%) LAN
5 3 (3.49%) NAS
6 2 (2.33%) IPsec
6 2 (2.33%) TCP/IP
6 2 (2.33%) VPN
Database & Business Intelligence
1 22 (25.58%) MongoDB
2 12 (13.95%) SQL Server
3 8 (9.30%) Azure SQL Database
3 8 (9.30%) NoSQL
4 7 (8.14%) Redis
4 7 (8.14%) Relational Database
5 6 (6.98%) SQL Server Integration Services
6 5 (5.81%) Couchbase
6 5 (5.81%) Data Warehouse
7 4 (4.65%) SQL Server Reporting Services
8 3 (3.49%) Power BI
9 2 (2.33%) Apache Cassandra
9 2 (2.33%) Hadoop
9 2 (2.33%) PostgreSQL
9 2 (2.33%) RDBMS
9 2 (2.33%) SQL Server 2008
9 2 (2.33%) SQL Server 2012
10 1 (1.16%) Microsoft Analysis Services
10 1 (1.16%) SQL Server 2005
10 1 (1.16%) SQL Server Analysis Services
Development Applications
1 27 (31.40%) Jenkins
2 8 (9.30%) Git (software)
2 8 (9.30%) JIRA
2 8 (9.30%) TeamCity
3 6 (6.98%) Cucumber
4 5 (5.81%) IntelliJ
4 5 (5.81%) JUnit
4 5 (5.81%) Mockito
5 4 (4.65%) Selenium
5 4 (4.65%) WebDriver
6 3 (3.49%) JMeter
6 3 (3.49%) Octopus Deploy
7 2 (2.33%) Gatling
7 2 (2.33%) git-flow
7 2 (2.33%) LoadRunner
7 2 (2.33%) NeoLoad
7 2 (2.33%) SonarQube
7 2 (2.33%) Team Foundation Server
7 2 (2.33%) Visual Studio Team System
8 1 (1.16%) Subversion
General
1 13 (15.12%) Finance
2 4 (4.65%) Banking
3 2 (2.33%) Publishing
3 2 (2.33%) Retail
4 1 (1.16%) French Language
4 1 (1.16%) Games
4 1 (1.16%) Legal
Job Titles
1 28 (32.56%) DevOps Engineer
2 18 (20.93%) Developer
3 9 (10.47%) Java Developer
4 7 (8.14%) Azure DevOps
5 6 (6.98%) DBA
5 6 (6.98%) Network Engineer
5 6 (6.98%) SQL DBA
6 4 (4.65%) Architect
6 4 (4.65%) Senior Network Engineer
6 4 (4.65%) Solutions Architect
6 4 (4.65%) SQL Developer
7 3 (3.49%) .NET Developer
7 3 (3.49%) C# Developer
7 3 (3.49%) CISSP Engineer
7 3 (3.49%) Consultant
7 3 (3.49%) Infrastructure Engineer
7 3 (3.49%) Java Engineer
7 3 (3.49%) Lead Developer
7 3 (3.49%) SQL Server Consultant
7 3 (3.49%) SQL Server DBA
Libraries, Frameworks & Software Standards
1 19 (22.09%) Kafka
2 12 (13.95%) RESTful
3 7 (8.14%) JSON
3 7 (8.14%) Node.js
4 6 (6.98%) .NET
4 6 (6.98%) Elastic Stack
4 6 (6.98%) Spring
5 5 (5.81%) Dropwizard
5 5 (5.81%) Web Services
6 4 (4.65%) AngularJS
6 4 (4.65%) ASP.NET
6 4 (4.65%) REST
7 3 (3.49%) .NET Core
7 3 (3.49%) CSS
7 3 (3.49%) HTML
7 3 (3.49%) React Native
8 2 (2.33%) ASP.NET Web API
8 2 (2.33%) Middleware
8 2 (2.33%) RabbitMQ
8 2 (2.33%) React
Miscellaneous
1 19 (22.09%) Device Driver
2 9 (10.47%) Data Centre
3 6 (6.98%) Greenfield Project
4 4 (4.65%) Fintech
4 4 (4.65%) Replication
5 3 (3.49%) Fixed Income
5 3 (3.49%) Foreign Exchange (FX)
5 3 (3.49%) Public Cloud
5 3 (3.49%) User Experience
6 2 (2.33%) Analytical Skills
6 2 (2.33%) Cloud Native
6 2 (2.33%) Clustering
6 2 (2.33%) Data Structures
6 2 (2.33%) Linux Command Line
6 2 (2.33%) RIA
6 2 (2.33%) Self-Motivation
7 1 (1.16%) Credit Risk
7 1 (1.16%) Market Risk
7 1 (1.16%) Video on Demand
7 1 (1.16%) Wiki
Operating Systems
1 33 (38.37%) Linux
2 19 (22.09%) CentOS
2 19 (22.09%) Ubuntu
3 11 (12.79%) Unix
4 10 (11.63%) Windows
5 6 (6.98%) Windows Server
6 1 (1.16%) DC/OS
6 1 (1.16%) Mac OS
6 1 (1.16%) Oracle Linux
6 1 (1.16%) Red Hat Enterprise Linux
6 1 (1.16%) Solaris
6 1 (1.16%) Windows 10
6 1 (1.16%) Windows 7
6 1 (1.16%) Windows 8
6 1 (1.16%) Windows Server 2008
Processes & Methodologies
1 49 (56.98%) Agile Software Development
2 42 (48.84%) DevOps
3 21 (24.42%) Site Reliability Engineering
4 19 (22.09%) Immutable Infrastructure
5 17 (19.77%) Microservices
6 15 (17.44%) TDD
6 15 (17.44%) Test Automation
7 12 (13.95%) Continuous Integration
7 12 (13.95%) Scrum
8 11 (12.79%) Analytics
8 11 (12.79%) Disaster Recovery
8 11 (12.79%) Migration
9 9 (10.47%) Low Latency
10 8 (9.30%) BDD
10 8 (9.30%) Kanban
10 8 (9.30%) Open Source
10 8 (9.30%) Pair Programming
10 8 (9.30%) Performance Tuning
11 6 (6.98%) Runbook
11 6 (6.98%) SDLC
Programming Languages
1 31 (36.05%) Bash Shell
2 24 (27.91%) Python
3 19 (22.09%) Go
4 18 (20.93%) SQL
5 16 (18.60%) Java
6 10 (11.63%) PowerShell
7 8 (9.30%) Scala
8 7 (8.14%) Groovy
9 5 (5.81%) JavaScript
9 5 (5.81%) Shell Script
10 4 (4.65%) C#
10 4 (4.65%) Ruby
11 3 (3.49%) T-SQL
12 2 (2.33%) ES6
12 2 (2.33%) Perl
13 1 (1.16%) Java 8
13 1 (1.16%) PHP
Qualifications
1 7 (8.14%) Cisco Certification
2 4 (4.65%) CCNP
3 3 (3.49%) CISSP
4 2 (2.33%) CCNA
4 2 (2.33%) MCSA
4 2 (2.33%) Microsoft Certification
5 1 (1.16%) CCIE
5 1 (1.16%) CCSP
5 1 (1.16%) Degree
5 1 (1.16%) ITIL Certification
Quality Assurance & Compliance
1 4 (4.65%) QA
2 3 (3.49%) Data Quality
System Software
1 34 (39.53%) Docker
2 12 (13.95%) Active Directory
3 5 (5.81%) Varnish
3 5 (5.81%) VMware Infrastructure
4 2 (2.33%) HDFS
4 2 (2.33%) Hyper-V
4 2 (2.33%) VMware ESXi
4 2 (2.33%) vSphere
Systems Management
1 25 (29.07%) Grafana
2 21 (24.42%) Prometheus
3 20 (23.26%) Nagios
4 19 (22.09%) Icinga
5 17 (19.77%) Kubernetes
6 6 (6.98%) Kibana
6 6 (6.98%) logstash
7 3 (3.49%) Ansible
8 2 (2.33%) Microsoft Clustering
8 2 (2.33%) SCCM
8 2 (2.33%) SCOM
9 1 (1.16%) Cacti
9 1 (1.16%) Control-M
9 1 (1.16%) NetBackup
9 1 (1.16%) SCSM
9 1 (1.16%) SCVMM
9 1 (1.16%) StatsD
9 1 (1.16%) Terraform
9 1 (1.16%) vCenter Server
9 1 (1.16%) ZABBIX
Vendors
1 21 (24.42%) Red Hat
2 20 (23.26%) Google
3 15 (17.44%) Microsoft
4 9 (10.47%) Cisco
5 7 (8.14%) AppDynamics
6 6 (6.98%) New Relic
6 6 (6.98%) Splunk
6 6 (6.98%) VMware
7 4 (4.65%) Palo Alto
8 3 (3.49%) CheckPoint
9 2 (2.33%) Citrix
9 2 (2.33%) F5
9 2 (2.33%) Oracle
9 2 (2.33%) SOASTA, Inc
10 1 (1.16%) Dell
10 1 (1.16%) HP
10 1 (1.16%) Juniper
10 1 (1.16%) NetApp
10 1 (1.16%) PagerDuty
10 1 (1.16%) Ruckus Wireless