Period
to 17 October 2018

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 17 October 2018 with a comparison to the same period in the previous 2 years.

High Availability
England > London
6 months to
17 Oct 2018
Same period 2017 Same period 2016
Rank 221 230 213
Rank change year-on-year +9 -17 -54
Permanent jobs citing High Availability 1,136 1,189 1,254
As % of all permanent IT jobs advertised in London 1.67% 1.60% 1.62%
As % of the Processes & Methodologies category 1.83% 1.72% 1.76%
Number of salaries quoted 915 911 1,057
London median annual salary £65,000 £62,500 £62,500
Median salary % change year-on-year +4.00% - +4.17%
10th Percentile £41,550 £38,750 £41,550
90th Percentile £100,000 £86,250 £86,250
England median annual salary £55,000 £52,500 £55,000
% change year-on-year +4.76% -4.55% +7.21%

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 62,234 69,113 71,123
As % of all permanent IT jobs advertised in London 91.68% 92.81% 91.99%
Number of salaries quoted 49,995 52,921 61,417
London median annual salary £62,500 £60,000 £57,500
Median salary % change year-on-year +4.17% +4.35% +4.55%
10th Percentile £35,000 £35,000 £33,500
90th Percentile £95,000 £90,000 £87,500
England median annual salary £52,000 £50,000 £50,000
% change year-on-year +4.00% - +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 17 October 2018.

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 17 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -7 173 £65,000 +4.00% 39
West London +42 100 £55,000 +15.79% 27
South London +17 29 £53,750 -20.37% 3
East London -3 28 £52,500 -25.00% 13
North London +8 1 £50,000 -33.33% 2
High Availability
England

For the 6 months to 17 October 2018, 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.

1 418 (36.80%) Agile Software Development
2 405 (35.65%) Finance
3 394 (34.68%) SQL
4 380 (33.45%) SQL Server
5 378 (33.27%) Linux
6 369 (32.48%) DevOps
7 341 (30.02%) Amazon AWS
8 314 (27.64%) Python
9 313 (27.55%) Java
10 270 (23.77%) Windows
11 245 (21.57%) Docker
12 231 (20.33%) Microsoft Azure
13 226 (19.89%) Ansible
14 207 (18.22%) Opscode Chef
15 193 (16.99%) .NET
16 189 (16.64%) Problem-Solving
17 187 (16.46%) Continuous Integration
18 186 (16.37%) Jenkins
19 184 (16.20%) C#
19 184 (16.20%) Microsoft
20 173 (15.23%) Banking
21 171 (15.05%) Puppet
21 171 (15.05%) Git (software)
22 164 (14.44%) Disaster Recovery
22 164 (14.44%) Microservices
23 163 (14.35%) Web Services
24 161 (14.17%) JavaScript
25 160 (14.08%) Clustering
26 158 (13.91%) Configuration Management
26 158 (13.91%) PowerShell

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 (4.14%) Apache
2 42 (3.70%) Confluence
3 41 (3.61%) WebSphere
4 35 (3.08%) Elasticsearch
5 31 (2.73%) IIS
6 28 (2.46%) OpenStack
7 22 (1.94%) Apache Spark
8 20 (1.76%) nginx
9 17 (1.50%) CMS
10 14 (1.23%) MS Exchange
11 11 (0.97%) JBoss
12 10 (0.88%) WordPress
13 9 (0.79%) Exchange Server 2010
13 9 (0.79%) Skype for Business
14 8 (0.70%) SharePoint
15 7 (0.62%) Mule
15 7 (0.62%) Tomcat
16 6 (0.53%) SharePoint 2013
16 6 (0.53%) WebLogic
17 5 (0.44%) SmartSockets
Applications
1 12 (1.06%) Microsoft Office
2 9 (0.79%) Microsoft PowerPoint
3 4 (0.35%) Chatbot
4 3 (0.26%) Microsoft Excel
4 3 (0.26%) MS Visio
5 1 (0.088%) Fireworks
5 1 (0.088%) InVision
5 1 (0.088%) Photoshop
5 1 (0.088%) SPSS
Business Applications
1 11 (0.97%) Payment Gateway
2 7 (0.62%) Dynamics CRM
3 5 (0.44%) Dynamics AX
3 5 (0.44%) Salesforce.com CRM
4 4 (0.35%) Documaker
4 4 (0.35%) Dynamics NAV
5 3 (0.26%) PlanetPress Connect
5 3 (0.26%) Sage 50
6 2 (0.18%) Magento
6 2 (0.18%) NetSuite
Cloud Services
1 341 (30.02%) Amazon AWS
2 231 (20.33%) Microsoft Azure
3 63 (5.55%) Cloud Computing
3 63 (5.55%) SaaS
4 58 (5.11%) AWS CloudFormation
5 57 (5.02%) Google Cloud Platform
6 48 (4.23%) GitHub
6 48 (4.23%) IaaS
7 41 (3.61%) Amazon EC2
8 37 (3.26%) Office 365
9 32 (2.82%) Virtual Private Cloud
10 30 (2.64%) Serverless
11 24 (2.11%) Route 53
12 21 (1.85%) Amazon ElastiCache
12 21 (1.85%) Amazon S3
12 21 (1.85%) AWS Lambda
12 21 (1.85%) CloudFront
12 21 (1.85%) PaaS
13 16 (1.41%) Amazon ELB
14 13 (1.14%) OpenShift
Communications & Networking
1 135 (11.88%) Firewall
2 77 (6.78%) VPN
3 75 (6.60%) DNS
4 70 (6.16%) TCP/IP
5 57 (5.02%) HTTP
6 53 (4.67%) WAN
7 45 (3.96%) SAN
8 44 (3.87%) BGP
9 40 (3.52%) LAN
10 39 (3.43%) Internet
10 39 (3.43%) OSPF
11 33 (2.90%) MPLS
12 32 (2.82%) SNMP
13 29 (2.55%) Cisco Nexus
13 29 (2.55%) DHCP
14 26 (2.29%) NAS
15 22 (1.94%) Ethernet
16 20 (1.76%) Cisco IOS
16 20 (1.76%) NetScaler
17 19 (1.67%) Network Security
Database & Business Intelligence
1 380 (33.45%) SQL Server
2 140 (12.32%) NoSQL
3 138 (12.15%) SQL Server Integration Services
4 117 (10.30%) SQL Server Reporting Services
5 99 (8.71%) Relational Database
6 91 (8.01%) SQL Server 2016
7 88 (7.75%) SQL Server Analysis Services
8 75 (6.60%) PostgreSQL
9 68 (5.99%) Big Data
10 67 (5.90%) Data Warehouse
11 66 (5.81%) Oracle Database
12 64 (5.63%) MongoDB
13 63 (5.55%) MySQL
14 45 (3.96%) Redis
15 44 (3.87%) SQL Server 2014
16 41 (3.61%) Amazon RDS
16 41 (3.61%) SQL Server 2008
17 38 (3.35%) RDBMS
18 34 (2.99%) Event Store
19 20 (1.76%) Hadoop
Development Applications
1 186 (16.37%) Jenkins
2 171 (15.05%) Git (software)
3 85 (7.48%) JIRA
4 75 (6.60%) TeamCity
5 74 (6.51%) Subversion
6 62 (5.46%) Atlassian Bamboo
7 61 (5.37%) Team Foundation Server
8 60 (5.28%) Maven
9 59 (5.19%) Octopus Deploy
10 34 (2.99%) Vagrant
11 30 (2.64%) Hudson
12 24 (2.11%) Gradle
13 18 (1.58%) Selenium
14 17 (1.50%) Cucumber
15 14 (1.23%) GitLab
16 13 (1.14%) Sonatype Nexus
17 10 (0.88%) gulp
17 10 (0.88%) JUnit
17 10 (0.88%) PEAR
17 10 (0.88%) WebDriver
General
1 405 (35.65%) Finance
2 173 (15.23%) Banking
3 76 (6.69%) Investment Banking
4 50 (4.40%) Financial Institution
5 49 (4.31%) Law
6 42 (3.70%) Retail
7 38 (3.35%) Games
8 26 (2.29%) Front Office
8 26 (2.29%) Music Industry
9 22 (1.94%) Telecoms
10 19 (1.67%) Publishing
11 16 (1.41%) Marketing
12 12 (1.06%) Multimedia
13 11 (0.97%) Legal
14 10 (0.88%) Back Office
15 6 (0.53%) Advertising
16 4 (0.35%) Billing
16 4 (0.35%) Manufacturing
17 3 (0.26%) Electronics
17 3 (0.26%) Pharmaceutical
Job Titles
1 255 (22.45%) Developer
2 179 (15.76%) DBA
3 139 (12.24%) DevOps Engineer
4 137 (12.06%) SQL DBA
5 135 (11.88%) Administrator
6 99 (8.71%) Architect
7 84 (7.39%) SQL Server DBA
8 66 (5.81%) SQL Developer
9 53 (4.67%) Java Developer
9 53 (4.67%) Linux Engineer
10 52 (4.58%) Platform Engineer
11 45 (3.96%) SQL Server Developer
11 45 (3.96%) SSIS Developer
11 45 (3.96%) SSRS Developer
12 43 (3.79%) SSAS Developer
13 42 (3.70%) AWS DevOps
13 42 (3.70%) Business Intelligence Developer
14 41 (3.61%) Senior DBA
15 40 (3.52%) Infrastructure Engineer
15 40 (3.52%) Microsoft Developer
Libraries, Frameworks & Software Standards
1 193 (16.99%) .NET
2 163 (14.35%) Web Services
3 106 (9.33%) RESTful
4 90 (7.92%) .NET Framework
5 77 (6.78%) Node.js
6 75 (6.60%) HTML
7 66 (5.81%) Entity Framework
8 64 (5.63%) REST
9 61 (5.37%) ASP.NET
9 61 (5.37%) Spring
10 58 (5.11%) Kafka
11 53 (4.67%) XML
12 51 (4.49%) React
13 49 (4.31%) ASP.NET Web API
14 48 (4.23%) CSS
15 42 (3.70%) AngularJS
16 40 (3.52%) ASP.NET MVC
17 39 (3.43%) WCF
18 36 (3.17%) JMS
19 31 (2.73%) RabbitMQ
Miscellaneous
1 160 (14.08%) Clustering
2 113 (9.95%) Replication
3 110 (9.68%) Analytical Skills
4 103 (9.07%) Data Centre
5 99 (8.71%) Fintech
6 84 (7.39%) Computer Science
7 74 (6.51%) Algorithms
8 66 (5.81%) Public Cloud
9 44 (3.87%) Greenfield Project
10 43 (3.79%) Cyberthreat
11 40 (3.52%) Self-Motivation
12 34 (2.99%) Management Information System
13 32 (2.82%) User Experience
14 29 (2.55%) Enterprise Software
15 28 (2.46%) Distributed Denial-of-Service
15 28 (2.46%) Hedge funds
16 26 (2.29%) Fixed Income
16 26 (2.29%) Hybrid Cloud
17 23 (2.02%) Private Cloud
18 21 (1.85%) Enterprise Cloud
Operating Systems
1 378 (33.27%) Linux
2 270 (23.77%) Windows
3 108 (9.51%) Windows Server
4 97 (8.54%) Unix
5 89 (7.83%) Red Hat Enterprise Linux
6 68 (5.99%) CentOS
7 34 (2.99%) Windows Server 2012
8 33 (2.90%) Windows Server 2008
9 22 (1.94%) Ubuntu
10 20 (1.76%) Solaris
11 16 (1.41%) Oracle Linux
12 15 (1.32%) Debian
13 13 (1.14%) Fedora
14 11 (0.97%) Windows 10
15 6 (0.53%) Windows 8
15 6 (0.53%) Windows Server 2003
16 5 (0.44%) Android
16 5 (0.44%) Windows 7
17 3 (0.26%) Apple iOS
17 3 (0.26%) SUSE
Processes & Methodologies
1 418 (36.80%) Agile Software Development
2 369 (32.48%) DevOps
3 189 (16.64%) Problem-Solving
4 187 (16.46%) Continuous Integration
5 164 (14.44%) Disaster Recovery
5 164 (14.44%) Microservices
6 158 (13.91%) Configuration Management
7 139 (12.24%) TDD
8 129 (11.36%) Migration
9 124 (10.92%) ITIL
10 120 (10.56%) Performance Tuning
11 115 (10.12%) Test Automation
12 111 (9.77%) Software Engineering
13 110 (9.68%) Low Latency
14 102 (8.98%) Scrum
15 95 (8.36%) SDLC
16 94 (8.27%) Business Intelligence
17 93 (8.19%) Open Source
18 92 (8.10%) Deployment Automation
19 88 (7.75%) BDD
Programming Languages
1 394 (34.68%) SQL
2 314 (27.64%) Python
3 313 (27.55%) Java
4 184 (16.20%) C#
5 161 (14.17%) JavaScript
6 158 (13.91%) PowerShell
7 125 (11.00%) T-SQL
8 119 (10.48%) Bash Shell
9 117 (10.30%) Ruby
10 81 (7.13%) Perl
11 69 (6.07%) C++
12 58 (5.11%) Go
13 54 (4.75%) Java 8
14 48 (4.23%) Shell Script
15 28 (2.46%) C
16 27 (2.38%) Korn
17 25 (2.20%) F#
17 25 (2.20%) Scala
18 21 (1.85%) PHP
19 20 (1.76%) Bourne shell
Qualifications
1 135 (11.88%) Degree
2 46 (4.05%) Cisco Certification
3 44 (3.87%) Microsoft Certification
4 39 (3.43%) Computer Science Degree
5 33 (2.90%) CCNP
6 29 (2.55%) MCSE
7 23 (2.02%) RHCE
8 22 (1.94%) RHCSA
9 20 (1.76%) MCSA
10 17 (1.50%) MCP
11 16 (1.41%) CCNA
11 16 (1.41%) RHCA
12 14 (1.23%) AWS Certification
12 14 (1.23%) CISSP
12 14 (1.23%) MBA
12 14 (1.23%) Numerate Degree
13 13 (1.14%) CCIE
13 13 (1.14%) ITIL Certification
14 10 (0.88%) Security Cleared
15 9 (0.79%) Linux+ Certification
Quality Assurance & Compliance
1 98 (8.63%) QA
2 19 (1.67%) SLA
3 15 (1.32%) PCI DSS
4 8 (0.70%) ISO/IEC 27001
5 7 (0.62%) GDPR
6 6 (0.53%) Sarbanes-Oxley
7 5 (0.44%) PSD2
8 2 (0.18%) Data Quality
9 1 (0.088%) Cyber Essentials
9 1 (0.088%) HIPAA
9 1 (0.088%) ISO 8583
9 1 (0.088%) ISO/IEC 20000
9 1 (0.088%) SEPA
System Software
1 245 (21.57%) Docker
2 113 (9.95%) Active Directory
3 102 (8.98%) VMware Infrastructure
4 27 (2.38%) Hyper-V
5 19 (1.67%) Firmware
6 18 (1.58%) Oracle RAC
7 16 (1.41%) VMware ESXi
8 13 (1.14%) vSphere
8 13 (1.14%) XenApp
9 12 (1.06%) KVM
10 11 (0.97%) Samba
10 11 (0.97%) Virtual Machines
10 11 (0.97%) VMware NSX
11 8 (0.70%) NFS
12 5 (0.44%) Virtual Servers
12 5 (0.44%) VirtualBox
13 4 (0.35%) DFS Replication
13 4 (0.35%) Microsoft App-V
13 4 (0.35%) Xen
13 4 (0.35%) XenDesktop
Systems Management
1 226 (19.89%) Ansible
2 207 (18.22%) Opscode Chef
3 171 (15.05%) Puppet
4 123 (10.83%) Kubernetes
5 97 (8.54%) Terraform
6 47 (4.14%) Nagios
7 44 (3.87%) SCOM
8 42 (3.70%) Packer
8 42 (3.70%) Salt
9 40 (3.52%) Docker Swarm
10 34 (2.99%) Consul
11 32 (2.82%) Grafana
12 26 (2.29%) Failover Clustering
12 26 (2.29%) ZABBIX
13 25 (2.20%) Graphite
14 22 (1.94%) Opsview
15 17 (1.50%) Kibana
16 16 (1.41%) Microsoft Clustering
17 14 (1.23%) logstash
17 14 (1.23%) Mesos
Vendors
1 184 (16.20%) Microsoft
2 143 (12.59%) VMware
3 124 (10.92%) Oracle
4 122 (10.74%) Red Hat
5 97 (8.54%) Cisco
6 60 (5.28%) Google
7 44 (3.87%) IBM
8 40 (3.52%) HP
9 34 (2.99%) Splunk
10 32 (2.82%) Citrix
11 31 (2.73%) SolarWinds
12 30 (2.64%) EMC
13 28 (2.46%) Salesforce.com
14 27 (2.38%) SAP
15 22 (1.94%) CommVault
15 22 (1.94%) Sun
16 20 (1.76%) New Relic
17 17 (1.50%) SaltStack
18 16 (1.41%) AppDynamics
19 15 (1.32%) NetApp