Period
to 29 November 2020

The following table provides summary statistics for permanent job vacancies advertised in Central London with a requirement for High Availability skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited High Availability over the 6 months to 29 November 2020 with a comparison to the same period in the previous 2 years.

High Availability
London > Central London
6 months to
29 Nov 2020
Same period 2019 Same period 2018
Rank 169 204 232
Rank change year-on-year +35 +28 -8
Permanent jobs citing High Availability 52 183 167
As % of all permanent jobs advertised in Central London 1.12% 1.46% 1.19%
As % of the Processes & Methodologies category 1.20% 1.56% 1.29%
Number of salaries quoted 47 144 146
Median annual salary £72,500 £70,000 £65,000
Median salary % change year-on-year +3.57% +7.69% +4.00%
10th Percentile £50,000 £48,550 £42,500
90th Percentile £97,500 £123,375 £95,000
London median annual salary £72,500 £70,000 £65,000
% change year-on-year +3.57% +7.69% +5.69%

High Availability is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Central London with a requirement for process or methodology skills.

All Process and Methodology Skills
Central London
Permanent vacancies with a requirement for process or methodology skills 4,345 11,704 12,956
As % of all permanent IT jobs advertised in Central London 93.84% 93.36% 92.40%
Number of salaries quoted 3,800 10,143 11,565
Median annual salary £70,000 £65,000 £64,000
Median salary % change year-on-year +7.69% +1.56% +6.67%
10th Percentile £43,750 £37,500 £36,250
90th Percentile £100,000 £96,250 £95,000
London median annual salary £70,000 £65,000 £62,500
% change year-on-year +7.69% +4.00% +4.17%

High Availability
Job Vacancy Trend in Central London

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

Job vacancy trend for High Availability in Central London

High Availability
Salary Trend in Central London

3-month moving average salary quoted in jobs citing High Availability in Central London.

Salary trend for High Availability in Central London

High Availability
Salary Histogram in Central London

Salary distribution for jobs citing High Availability in Central London over the 6 months to 29 November 2020.

Salary histogram for High Availability in Central London

High Availability
Job Locations in Central London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing High Availability within the Central London region over the 6 months to 29 November 2020. 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +76 50 £72,500 +3.57% 24
City of Westminster - 2 £65,000 -
High Availability
London

For the 6 months to 29 November 2020, IT 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 permanent job ads across the Central London region with a requirement for High Availability.

1 25 (48.08%) Microsoft
2 24 (46.15%) Finance
3 23 (44.23%) SQL Server
4 21 (40.38%) Microservices
5 18 (34.62%) Puppet
6 17 (32.69%) Opscode Chef
6 17 (32.69%) Azure
6 17 (32.69%) Ansible
6 17 (32.69%) Agile Software Development
6 17 (32.69%) Infrastructure Automation
7 16 (30.77%) Windows
7 16 (30.77%) Python
8 15 (28.85%) VMware
9 14 (26.92%) Workflow
9 14 (26.92%) Office 365
10 11 (21.15%) Continuous Improvement
10 11 (21.15%) Git (software)
10 11 (21.15%) TDD
10 11 (21.15%) Cisco
10 11 (21.15%) Citrix
11 10 (19.23%) PowerShell
11 10 (19.23%) REST
11 10 (19.23%) DevOps
11 10 (19.23%) Greenfield Project
12 9 (17.31%) Workflow Management
12 9 (17.31%) Banking
12 9 (17.31%) Sun
12 9 (17.31%) Active Directory
12 9 (17.31%) HP
12 9 (17.31%) SQL

High Availability
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 6 (11.54%) IIS
2 5 (9.62%) Apache
3 3 (5.77%) Red Hat Fuse
Cloud Services
1 17 (32.69%) Azure
2 14 (26.92%) Office 365
3 7 (13.46%) AWS
3 7 (13.46%) Cloud Computing
4 5 (9.62%) GitHub
5 3 (5.77%) GCP
5 3 (5.77%) IaaS
5 3 (5.77%) Serverless
5 3 (5.77%) Stackdriver
6 2 (3.85%) Amazon EC2
6 2 (3.85%) Amazon S3
6 2 (3.85%) AWS Lambda
6 2 (3.85%) Power Platform
7 1 (1.92%) AWS CloudFormation
7 1 (1.92%) Azure Active Directory
7 1 (1.92%) Azure Data Factory
7 1 (1.92%) Azure Functions
7 1 (1.92%) PaaS
7 1 (1.92%) SaaS
7 1 (1.92%) Virtual Private Cloud
Communications & Networking
1 7 (13.46%) DNS
2 4 (7.69%) Firewall
3 3 (5.77%) VPN
4 2 (3.85%) Multicast
4 2 (3.85%) TCP/IP
4 2 (3.85%) tcpdump
5 1 (1.92%) Internet
Database & Business Intelligence
1 23 (44.23%) SQL Server
2 8 (15.38%) PostgreSQL
3 7 (13.46%) MongoDB
3 7 (13.46%) MySQL
4 4 (7.69%) SQL Server 2014
5 3 (5.77%) Blockchain
5 3 (5.77%) Relational Database
6 2 (3.85%) Amazon RDS
6 2 (3.85%) Azure SQL Database
6 2 (3.85%) Data Warehouse
6 2 (3.85%) NoSQL
6 2 (3.85%) Oracle Database
6 2 (3.85%) Power BI
6 2 (3.85%) Redis
7 1 (1.92%) Amazon Redshift
7 1 (1.92%) Data Lake
7 1 (1.92%) Oracle Database 12c
7 1 (1.92%) Oracle Exadata
7 1 (1.92%) RDBMS
7 1 (1.92%) VLDB
Development Applications
1 11 (21.15%) Git (software)
2 7 (13.46%) Moq
2 7 (13.46%) MSTest
2 7 (13.46%) NUnit
3 6 (11.54%) Jenkins
4 3 (5.77%) Bitbucket
4 3 (5.77%) JUnit
5 2 (3.85%) Cucumber
5 2 (3.85%) Gatling
5 2 (3.85%) Mockito
6 1 (1.92%) Ant
6 1 (1.92%) IntelliJ
6 1 (1.92%) Maven
6 1 (1.92%) Mercurial
6 1 (1.92%) NetBeans
6 1 (1.92%) Pivotal Tracker
6 1 (1.92%) TeamCity
General
1 24 (46.15%) Finance
2 9 (17.31%) Banking
3 3 (5.77%) Law
4 2 (3.85%) Front Office
5 1 (1.92%) Public Sector
Job Titles
1 19 (36.54%) Developer
2 11 (21.15%) Administrator
3 9 (17.31%) Windows Administrator
4 7 (13.46%) .NET Developer
4 7 (13.46%) C# .NET Developer
4 7 (13.46%) C# Developer
4 7 (13.46%) Cloud Developer
4 7 (13.46%) DevOps Engineer
5 5 (9.62%) Architect
5 5 (9.62%) Senior Developer
5 5 (9.62%) Windows Engineer
6 4 (7.69%) Python Developer
6 4 (7.69%) Senior Python Developer
7 3 (5.77%) AWS DevOps
7 3 (5.77%) C++ Developer
7 3 (5.77%) DevOps Engineer - Fintech
7 3 (5.77%) Java Developer
7 3 (5.77%) JavaScript Developer
7 3 (5.77%) Senior DevOps
7 3 (5.77%) Senior DevOps Engineer
Libraries, Frameworks & Software Standards
1 10 (19.23%) REST
2 7 (13.46%) .NET
2 7 (13.46%) .NET Core
2 7 (13.46%) ASP.NET
2 7 (13.46%) ASP.NET Core
2 7 (13.46%) ASP.NET MVC
2 7 (13.46%) ASP.NET Web API
3 4 (7.69%) Middleware
3 4 (7.69%) PyQt
3 4 (7.69%) RabbitMQ
3 4 (7.69%) SQLAlchemy
4 3 (5.77%) AngularJS
4 3 (5.77%) Apache Camel
4 3 (5.77%) GWT
4 3 (5.77%) HTML
4 3 (5.77%) HTML5
4 3 (5.77%) jQuery
4 3 (5.77%) OSGi
4 3 (5.77%) RESTful
4 3 (5.77%) ZeroMQ
Miscellaneous
1 10 (19.23%) Greenfield Project
2 8 (15.38%) Algorithms
3 5 (9.62%) Clustering
4 4 (7.69%) Derivative
5 3 (5.77%) Enterprise Software
5 3 (5.77%) Mobile App
6 1 (1.92%) Data Centre
6 1 (1.92%) Fixed Income
6 1 (1.92%) Management Information System
6 1 (1.92%) Mobile Banking
6 1 (1.92%) Replication
6 1 (1.92%) User Experience
Operating Systems
1 16 (30.77%) Windows
2 7 (13.46%) Linux
3 6 (11.54%) Unix
4 2 (3.85%) Red Hat Enterprise Linux
4 2 (3.85%) Windows Server 2012
4 2 (3.85%) Windows Server 2016
4 2 (3.85%) Windows Server 2019
5 1 (1.92%) Ubuntu
Processes & Methodologies
1 21 (40.38%) Microservices
2 17 (32.69%) Agile Software Development
2 17 (32.69%) Infrastructure Automation
3 14 (26.92%) Workflow
4 11 (21.15%) Continuous Improvement
4 11 (21.15%) TDD
5 10 (19.23%) DevOps
6 9 (17.31%) Workflow Management
7 8 (15.38%) Fintech
7 8 (15.38%) Low Latency
7 8 (15.38%) Unit Testing
8 7 (13.46%) Continuous Delivery
8 7 (13.46%) E-Commerce
8 7 (13.46%) MVC
9 6 (11.54%) Continuous Integration
9 6 (11.54%) Test Automation
10 5 (9.62%) Concurrent Programming
10 5 (9.62%) Open Source
10 5 (9.62%) SDLC
10 5 (9.62%) Software Engineering
Programming Languages
1 16 (30.77%) Python
2 10 (19.23%) PowerShell
3 9 (17.31%) SQL
4 8 (15.38%) C#
4 8 (15.38%) Java
4 8 (15.38%) JavaScript
5 3 (5.77%) Bash Shell
5 3 (5.77%) C++
6 2 (3.85%) Java 8
6 2 (3.85%) PHP
7 1 (1.92%) Ruby
7 1 (1.92%) Scala
7 1 (1.92%) Shell Script
Qualifications
1 2 (3.85%) CCNA
1 2 (3.85%) Cisco Certification
1 2 (3.85%) CISSP
1 2 (3.85%) Computer Science Degree
1 2 (3.85%) Degree
1 2 (3.85%) MCSE
1 2 (3.85%) Microsoft Certification
Quality Assurance & Compliance
1 2 (3.85%) QA
2 1 (1.92%) GDPR
2 1 (1.92%) MiFID
System Software
1 9 (17.31%) Active Directory
2 6 (11.54%) VMware Infrastructure
3 3 (5.77%) XenApp
3 3 (5.77%) XenDesktop
4 1 (1.92%) Docker
4 1 (1.92%) Hyper-V
4 1 (1.92%) Oracle RAC
Systems Management
1 18 (34.62%) Puppet
2 17 (32.69%) Ansible
2 17 (32.69%) Opscode Chef
3 7 (13.46%) Kubernetes
4 4 (7.69%) Terraform
5 3 (5.77%) Grafana
5 3 (5.77%) Istio
6 2 (3.85%) Prometheus
6 2 (3.85%) SCCM
6 2 (3.85%) SCOM
7 1 (1.92%) Enterprise Manager Cloud Control
7 1 (1.92%) Failover Clustering
7 1 (1.92%) Foglight
7 1 (1.92%) Oracle Enterprise Manager
Vendors
1 25 (48.08%) Microsoft
2 15 (28.85%) VMware
3 11 (21.15%) Cisco
3 11 (21.15%) Citrix
4 9 (17.31%) HP
4 9 (17.31%) Sun
5 7 (13.46%) Oracle
6 2 (3.85%) Google
6 2 (3.85%) Red Hat
6 2 (3.85%) SolarWinds
7 1 (1.92%) Solarflare