Period
to 25 May 2019

The following table provides summary statistics for permanent job vacancies advertised in 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 25 May 2019 with a comparison to the same period in the previous 2 years.

High Availability
England > London
6 months to
25 May 2019
Same period 2018 Same period 2017
Rank 248 229 208
Rank change year-on-year -19 -21 -32
Permanent jobs citing High Availability 790 1,107 1,144
As % of all permanent IT jobs advertised in London 1.35% 1.58% 1.68%
As % of the Processes & Methodologies category 1.46% 1.71% 1.81%
Number of salaries quoted 648 934 961
London median annual salary £65,000 £65,000 £60,000
Median salary % change year-on-year - +8.33% -
10th Percentile £45,000 £41,250 £36,250
90th Percentile £112,500 £96,250 £88,750
England median annual salary £55,000 £55,000 £52,500
% change year-on-year - +4.76% -

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 London with a requirement for process or methodology skills.

All Process and Methodology Skills
London
Permanent vacancies with a requirement for process or methodology skills 54,081 64,775 63,064
As % of all permanent IT jobs advertised in London 92.20% 92.63% 92.38%
Number of salaries quoted 43,650 52,290 52,339
London median annual salary £65,000 £60,000 £60,000
Median salary % change year-on-year +8.33% - +9.09%
10th Percentile £36,250 £35,250 £34,000
90th Percentile £96,250 £93,750 £90,000
England median annual salary £52,500 £50,000 £50,000
% change year-on-year +5.00% - +5.26%

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
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing High Availability in London.

Salary trend for High Availability in London

High Availability
Salary Histogram in London

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

Salary histogram for High Availability in London

High Availability
Job Locations in 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 London region over the 6 months to 25 May 2019. 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
Central London -24 125 £67,000 -4.29% 7
South London +29 36 £50,000 +37.93%
West London -43 25 £50,000 -9.09% 6
East London +19 9 £52,500 - 2
North London +5 7 £45,000 -40.00%
High Availability
England

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

1 336 (42.53%) Agile Software Development
2 253 (32.03%) Amazon AWS
3 234 (29.62%) Finance
4 232 (29.37%) Linux
5 231 (29.24%) SQL
6 194 (24.56%) Java
7 193 (24.43%) Microsoft Azure
8 191 (24.18%) Python
9 180 (22.78%) DevOps
10 176 (22.28%) SQL Server
11 165 (20.89%) Windows
12 163 (20.63%) Microsoft
13 144 (18.23%) PowerShell
14 142 (17.97%) Degree
15 125 (15.82%) Continuous Integration
16 120 (15.19%) Clustering
17 115 (14.56%) Software Engineering
18 111 (14.05%) Ansible
19 110 (13.92%) Active Directory
20 109 (13.80%) TDD
21 107 (13.54%) Docker
22 105 (13.29%) Disaster Recovery
23 104 (13.16%) ITIL
23 104 (13.16%) Banking
23 104 (13.16%) VMware
24 102 (12.91%) Migration
25 101 (12.78%) Scrum
25 101 (12.78%) Git (software)
26 99 (12.53%) Jenkins
27 96 (12.15%) NoSQL

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 47 (5.95%) Elasticsearch
2 33 (4.18%) SharePoint
3 27 (3.42%) IIS
4 24 (3.04%) WebSphere
5 18 (2.28%) Apache
6 17 (2.15%) Confluence
7 13 (1.65%) JBoss
7 13 (1.65%) nginx
8 12 (1.52%) WebSphere Application Server
9 11 (1.39%) MS Exchange
10 9 (1.14%) OpenStack
11 8 (1.01%) Apache Spark
12 7 (0.89%) Apache Solr
13 6 (0.76%) Exchange Server 2010
14 5 (0.63%) SharePoint Server
14 5 (0.63%) Skype for Business
14 5 (0.63%) Tomcat
15 4 (0.51%) Cloud Foundry
15 4 (0.51%) WebLogic
16 3 (0.38%) Exchange Server 2013
Applications
1 16 (2.03%) Microsoft Office
2 4 (0.51%) Microsoft Excel
3 3 (0.38%) Chatbot
4 2 (0.25%) Adobe Premiere
4 2 (0.25%) Final Cut Pro
4 2 (0.25%) MS Visio
5 1 (0.13%) Spreadsheet
Business Applications
1 5 (0.63%) Infor SunSystems
1 5 (0.63%) NetSuite
2 4 (0.51%) Dynamics CRM
3 2 (0.25%) MetaTrader
3 2 (0.25%) Oracle BPM
3 2 (0.25%) Remedy ITSM
Cloud Services
1 253 (32.03%) Amazon AWS
2 193 (24.43%) Microsoft Azure
3 63 (7.97%) Google Cloud Platform
4 57 (7.22%) PaaS
5 55 (6.96%) Office 365
6 31 (3.92%) IaaS
7 28 (3.54%) Cloud Computing
8 24 (3.04%) SaaS
9 22 (2.78%) Azure Active Directory
10 18 (2.28%) AWS CloudFormation
11 17 (2.15%) Amazon EC2
12 16 (2.03%) GitHub
12 16 (2.03%) Serverless
13 15 (1.90%) Power Platform
14 14 (1.77%) Amazon S3
15 11 (1.39%) Virtual Private Cloud
16 9 (1.14%) Azure Stack
17 8 (1.01%) AWS Lambda
18 7 (0.89%) OpenShift
19 6 (0.76%) Amazon CloudWatch
Communications & Networking
1 77 (9.75%) DNS
2 74 (9.37%) Firewall
3 62 (7.85%) DHCP
4 52 (6.58%) VPN
5 42 (5.32%) WAN
6 35 (4.43%) TCP/IP
7 34 (4.30%) LAN
8 24 (3.04%) HTTP
9 21 (2.66%) Network Security
10 18 (2.28%) SAN
11 16 (2.03%) Cisco ASA
11 16 (2.03%) MPLS
11 16 (2.03%) VoIP
12 15 (1.90%) VLAN
13 13 (1.65%) Internet
14 9 (1.14%) NetScaler
14 9 (1.14%) SSL
15 8 (1.01%) HTTPS
16 7 (0.89%) DMZ
16 7 (0.89%) Remote Desktop
Database & Business Intelligence
1 176 (22.28%) SQL Server
2 96 (12.15%) NoSQL
3 93 (11.77%) SQL Server Integration Services
4 91 (11.52%) SQL Server Reporting Services
5 86 (10.89%) MongoDB
6 78 (9.87%) Relational Database
7 73 (9.24%) PostgreSQL
8 68 (8.61%) MySQL
8 68 (8.61%) SQL Server 2016
9 64 (8.10%) Data Warehouse
10 63 (7.97%) SQL Server Analysis Services
11 56 (7.09%) Big Data
12 43 (5.44%) Amazon DynamoDB
13 41 (5.19%) RDBMS
14 40 (5.06%) SQL Server 2008
15 38 (4.81%) SQL Server 2012
16 34 (4.30%) Azure SQL Database
17 32 (4.05%) Apache Cassandra
18 31 (3.92%) Amazon RDS
19 27 (3.42%) SQL Server 2014
Development Applications
1 101 (12.78%) Git (software)
2 99 (12.53%) Jenkins
3 31 (3.92%) TeamCity
4 28 (3.54%) JIRA
5 24 (3.04%) Cucumber
6 18 (2.28%) Octopus Deploy
7 16 (2.03%) Team Foundation Server
8 15 (1.90%) CircleCI
9 14 (1.77%) git-flow
9 14 (1.77%) Travis CI
10 13 (1.65%) Atlassian Bamboo
10 13 (1.65%) Subversion
11 12 (1.52%) IBM UrbanCode
11 12 (1.52%) Oracle Forms
12 10 (1.27%) Bitbucket
12 10 (1.27%) GitLab
12 10 (1.27%) Vagrant
13 9 (1.14%) Maven
14 8 (1.01%) Hudson
14 8 (1.01%) SQL Server Management Studio (SSMS)
General
1 234 (29.62%) Finance
2 104 (13.16%) Banking
3 34 (4.30%) Retail
4 26 (3.29%) Telecoms
5 18 (2.28%) Games
6 17 (2.15%) Law
7 12 (1.52%) Front Office
7 12 (1.52%) Music Industry
8 10 (1.27%) Back Office
9 9 (1.14%) Investment Banking
10 8 (1.01%) Legal
11 6 (0.76%) Marketing
12 4 (0.51%) Financial Institution
12 4 (0.51%) Publishing
13 3 (0.38%) Advertising
13 3 (0.38%) Multimedia
14 2 (0.25%) Greek Language
15 1 (0.13%) Digital Economy
15 1 (0.13%) Online Betting
15 1 (0.13%) Retail Banking
Job Titles
1 149 (18.86%) Developer
2 124 (15.70%) DBA
3 100 (12.66%) Administrator
4 89 (11.27%) SQL DBA
5 88 (11.14%) DevOps Engineer
6 81 (10.25%) Architect
7 54 (6.84%) Infrastructure Engineer
8 40 (5.06%) Systems Administrator
9 38 (4.81%) Analyst
10 37 (4.68%) Senior DBA
11 36 (4.56%) Java Developer
12 34 (4.30%) Cloud Architect
13 33 (4.18%) SQL Server DBA
14 31 (3.92%) Software Engineer
15 30 (3.80%) Applications Support
16 28 (3.54%) .NET Developer
16 28 (3.54%) Platform Engineer
17 27 (3.42%) Senior SQL DBA
18 25 (3.16%) Scala Developer
19 24 (3.04%) Azure Architect
Libraries, Frameworks & Software Standards
1 75 (9.49%) .NET
2 60 (7.59%) Node.js
3 58 (7.34%) Spring
4 57 (7.22%) RESTful
5 55 (6.96%) Web Services
6 40 (5.06%) JSON
7 34 (4.30%) Kafka
8 29 (3.67%) AngularJS
9 27 (3.42%) Natural Language Processing
9 27 (3.42%) SailPoint
10 26 (3.29%) React
11 25 (3.16%) Hibernate
12 23 (2.91%) ASP.NET Web API
12 23 (2.91%) Middleware
13 21 (2.66%) HTML
13 21 (2.66%) Spring MVC
14 20 (2.53%) .NET Framework
14 20 (2.53%) CSS
14 20 (2.53%) Entity Framework
14 20 (2.53%) LAMP
Miscellaneous
1 120 (15.19%) Clustering
2 75 (9.49%) Analytical Skills
3 70 (8.86%) Replication
4 55 (6.96%) Management Information System
5 45 (5.70%) Data Centre
6 43 (5.44%) Fintech
7 36 (4.56%) Public Cloud
8 33 (4.18%) User Experience
9 32 (4.05%) Greenfield Project
10 27 (3.42%) Enterprise Software
11 24 (3.04%) Hybrid Cloud
11 24 (3.04%) Self-Motivation
12 23 (2.91%) Algorithms
13 19 (2.41%) Fat Client
13 19 (2.41%) Thin Client
14 18 (2.28%) Hedge funds
15 16 (2.03%) Enterprise Cloud
15 16 (2.03%) PKI
16 15 (1.90%) Derivative
17 14 (1.77%) Mobile App
Operating Systems
1 232 (29.37%) Linux
2 165 (20.89%) Windows
3 93 (11.77%) Windows Server
4 53 (6.71%) Red Hat Enterprise Linux
5 49 (6.20%) Unix
6 43 (5.44%) Windows Server 2012
7 29 (3.67%) Windows Server 2008
8 18 (2.28%) CentOS
8 18 (2.28%) Ubuntu
9 17 (2.15%) Android
10 16 (2.03%) Apple iOS
11 12 (1.52%) Windows 10
12 9 (1.14%) FreeBSD
13 8 (1.01%) Windows 7
14 7 (0.89%) Mac OS
15 5 (0.63%) Windows Server 2003
16 4 (0.51%) CoreOS
16 4 (0.51%) Mac OS X
16 4 (0.51%) Windows 8
17 2 (0.25%) Debian
Processes & Methodologies
1 336 (42.53%) Agile Software Development
2 180 (22.78%) DevOps
3 125 (15.82%) Continuous Integration
4 115 (14.56%) Software Engineering
5 109 (13.80%) TDD
6 105 (13.29%) Disaster Recovery
7 104 (13.16%) ITIL
8 102 (12.91%) Migration
9 101 (12.78%) Scrum
10 83 (10.51%) Microservices
11 80 (10.13%) Configuration Management
12 78 (9.87%) BDD
13 75 (9.49%) Problem-Solving
14 68 (8.61%) Performance Tuning
14 68 (8.61%) Task Automation
15 65 (8.23%) Computer Science
16 61 (7.72%) Business Intelligence
17 58 (7.34%) Infrastructure Engineering
17 58 (7.34%) Performance Monitoring
18 55 (6.96%) Analytics
Programming Languages
1 231 (29.24%) SQL
2 194 (24.56%) Java
3 191 (24.18%) Python
4 144 (18.23%) PowerShell
5 87 (11.01%) T-SQL
6 81 (10.25%) C#
7 68 (8.61%) Ruby
8 65 (8.23%) JavaScript
9 63 (7.97%) Bash Shell
10 61 (7.72%) C++
11 56 (7.09%) Scala
12 49 (6.20%) Go
13 23 (2.91%) Java 8
14 20 (2.53%) Shell Script
15 18 (2.28%) F#
15 18 (2.28%) Groovy
16 14 (1.77%) Clojure
16 14 (1.77%) MATLAB
16 14 (1.77%) ML
16 14 (1.77%) Perl
Qualifications
1 142 (17.97%) Degree
2 48 (6.08%) Microsoft Certification
3 27 (3.42%) Cisco Certification
4 25 (3.16%) Security Cleared
5 24 (3.04%) Computer Science Degree
5 24 (3.04%) MCSA
6 19 (2.41%) CCNP
7 18 (2.28%) CCNA
8 16 (2.03%) ITIL Certification
8 16 (2.03%) MCSE
9 12 (1.52%) MBA
10 10 (1.27%) DV Cleared
10 10 (1.27%) PhD
10 10 (1.27%) SC Cleared
11 7 (0.89%) MCDBA
12 6 (0.76%) MCP
12 6 (0.76%) Network+ Certification
13 5 (0.63%) CISSP
13 5 (0.63%) MCITP
13 5 (0.63%) OCP
Quality Assurance & Compliance
1 21 (2.66%) QA
2 18 (2.28%) SLA
3 16 (2.03%) ISO/IEC 27001
4 8 (1.01%) ISAE 3402
5 7 (0.89%) PCI DSS
6 4 (0.51%) ISO 22301
6 4 (0.51%) PSD2
7 3 (0.38%) GDPR
7 3 (0.38%) SEPA
8 2 (0.25%) Sarbanes-Oxley
9 1 (0.13%) PMO
System Software
1 110 (13.92%) Active Directory
2 107 (13.54%) Docker
3 84 (10.63%) VMware Infrastructure
4 26 (3.29%) XenApp
5 20 (2.53%) XenDesktop
6 15 (1.90%) Microsoft App-V
7 11 (1.39%) Hyper-V
7 11 (1.39%) Oracle RAC
8 10 (1.27%) VMware ESXi
8 10 (1.27%) vSphere
9 9 (1.14%) Apache ZooKeeper
9 9 (1.14%) Firmware
10 8 (1.01%) Virtual Machines
11 5 (0.63%) KVM
12 4 (0.51%) DFS Replication
12 4 (0.51%) Microsoft Virtual Server
12 4 (0.51%) Virtual Servers
13 3 (0.38%) Terminal Services
13 3 (0.38%) Virtual Desktop
14 2 (0.25%) Snort
Systems Management
1 111 (14.05%) Ansible
2 78 (9.87%) Kubernetes
3 76 (9.62%) Puppet
4 62 (7.85%) Terraform
5 50 (6.33%) Opscode Chef
6 44 (5.57%) SCCM
7 31 (3.92%) Failover Clustering
8 25 (3.16%) Prometheus
9 24 (3.04%) Grafana
10 21 (2.66%) Perfmon
11 19 (2.41%) McAfee ePO
11 19 (2.41%) Nessus
12 18 (2.28%) SCOM
13 17 (2.15%) Microsoft Clustering
14 16 (2.03%) Nagios
15 15 (1.90%) Control-M
16 14 (1.77%) Rancher
17 12 (1.52%) Packer
17 12 (1.52%) Salt
18 11 (1.39%) Graphite
Vendors
1 163 (20.63%) Microsoft
2 104 (13.16%) VMware
3 65 (8.23%) Cisco
4 62 (7.85%) Oracle
5 54 (6.84%) Google
6 46 (5.82%) SolarWinds
7 38 (4.81%) HP
8 34 (4.30%) Splunk
9 33 (4.18%) Red Hat
10 30 (3.80%) Dell
11 29 (3.67%) Citrix
12 27 (3.42%) Palo Alto
13 24 (3.04%) Veeam
14 21 (2.66%) McAfee
14 21 (2.66%) RedGate
14 21 (2.66%) Reuters
15 20 (2.53%) AppDynamics
15 20 (2.53%) CheckPoint
15 20 (2.53%) Tableau
16 19 (2.41%) LogRhythm