Period
to 23 April 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 23 April 2018 with a comparison to the same period in the previous 2 years.

High Availability
England > London
6 months to
23 Apr 2018
Same period 2017 Same period 2016
Rank 228 209 173
Rank change year-on-year -19 -36 -1
Permanent jobs citing High Availability 1,058 1,131 1,667
As % of all permanent IT jobs advertised in London 1.51% 1.65% 2.00%
As % of the Processes & Methodologies category 1.65% 1.81% 2.19%
Number of salaries quoted 897 961 1,423
London median annual salary £65,000 £60,000 £60,000
Median salary % change year-on-year +8.33% - -
10th Percentile £40,685 £35,000 £42,500
90th Percentile £96,250 £88,750 £89,750
England median annual salary £55,000 £52,500 £52,500
% change year-on-year +4.76% - +5.00%

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 64,260 62,606 75,984
As % of all permanent IT jobs advertised in London 91.79% 91.26% 91.07%
Number of salaries quoted 52,670 52,522 65,135
London median annual salary £60,000 £60,000 £55,000
Median salary % change year-on-year - +9.09% -
10th Percentile £35,750 £34,000 £33,500
90th Percentile £93,750 £90,000 £87,500
England median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% +2.15%

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 23 April 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 23 April 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 -44 190 £63,750 +2.00% 30
West London +29 78 £55,000 -8.33% 20
North London +19 20 £75,000 +36.36% 1
South London -39 13 £40,000 - 2
East London -11 6 £52,400 +19.09% 9
High Availability
England

For the 6 months to 23 April 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.

1 374 (35.35%) Agile Software Development
2 337 (31.85%) Linux
3 324 (30.62%) SQL Server
4 308 (29.11%) SQL
5 295 (27.88%) Amazon AWS
6 279 (26.37%) DevOps
7 263 (24.86%) Microsoft Azure
8 250 (23.63%) Windows
9 238 (22.50%) Python
10 222 (20.98%) Java
11 219 (20.70%) Finance
12 189 (17.86%) .NET
12 189 (17.86%) Docker
13 188 (17.77%) JavaScript
14 167 (15.78%) Ansible
15 159 (15.03%) C#
16 157 (14.84%) Microsoft
17 150 (14.18%) Jenkins
18 140 (13.23%) Problem-Solving
19 135 (12.76%) Opscode Chef
19 135 (12.76%) Puppet
20 133 (12.57%) Firewall
21 128 (12.10%) Disaster Recovery
22 127 (12.00%) NoSQL
23 122 (11.53%) Configuration Management
24 120 (11.34%) Continuous Integration
25 118 (11.15%) Scrum
26 116 (10.96%) VMware
27 115 (10.87%) Replication
28 113 (10.68%) SQL Server Integration Services

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 72 (6.81%) Apache
2 55 (5.20%) IIS
3 44 (4.16%) Tomcat
4 35 (3.31%) nginx
5 34 (3.21%) SharePoint
6 23 (2.17%) WebSphere
7 22 (2.08%) MS Exchange
8 19 (1.80%) Apache Spark
9 18 (1.70%) Confluence
10 17 (1.61%) Exchange Server 2010
10 17 (1.61%) Exchange Server 2013
10 17 (1.61%) OpenStack
11 16 (1.51%) BizTalk Server
11 16 (1.51%) Elasticsearch
11 16 (1.51%) Jetty
11 16 (1.51%) WebLogic
12 15 (1.42%) Oracle SOA Suite
13 13 (1.23%) SharePoint 2013
14 11 (1.04%) Skype for Business
15 8 (0.76%) JBoss
Applications
1 10 (0.95%) Microsoft Office
2 2 (0.19%) Chatbot
2 2 (0.19%) Microsoft PowerPoint
3 1 (0.095%) Adobe Premiere
3 1 (0.095%) Microsoft Excel
3 1 (0.095%) SPSS
Business Applications
1 3 (0.28%) Salesforce.com CRM
2 2 (0.19%) Documaker
2 2 (0.19%) Dynamics CRM
3 1 (0.095%) Finacle
3 1 (0.095%) Magento
3 1 (0.095%) SAP BPC
3 1 (0.095%) SAP Business One
3 1 (0.095%) SAP CO
3 1 (0.095%) SAP FI
3 1 (0.095%) SAP FI/CO
3 1 (0.095%) Summit
Cloud Services
1 295 (27.88%) Amazon AWS
2 263 (24.86%) Microsoft Azure
3 82 (7.75%) PaaS
3 82 (7.75%) SaaS
4 73 (6.90%) IaaS
5 69 (6.52%) Cloud Computing
6 54 (5.10%) Office 365
7 41 (3.88%) Google Cloud Platform
8 26 (2.46%) Azure Active Directory
9 20 (1.89%) Amazon EC2
10 18 (1.70%) AWS CloudFormation
11 17 (1.61%) Route 53
12 16 (1.51%) Amazon ELB
12 16 (1.51%) IBM Cloud
12 16 (1.51%) Virtual Private Cloud
13 15 (1.42%) OneDrive
13 15 (1.42%) OpenShift
14 14 (1.32%) Bluemix
15 13 (1.23%) Amazon S3
16 12 (1.13%) GitHub
Communications & Networking
1 133 (12.57%) Firewall
2 85 (8.03%) VPN
3 75 (7.09%) DNS
4 57 (5.39%) HTTP
5 56 (5.29%) SAN
6 46 (4.35%) TCP/IP
7 39 (3.69%) WAN
8 38 (3.59%) Network Security
9 36 (3.40%) MPLS
10 29 (2.74%) Internet
10 29 (2.74%) Wireless
11 28 (2.65%) DHCP
11 28 (2.65%) LAN
12 24 (2.27%) NAS
12 24 (2.27%) OSPF
13 23 (2.17%) BGP
13 23 (2.17%) iSCSI
14 21 (1.98%) Cisco Nexus
14 21 (1.98%) VoIP
14 21 (1.98%) Wi-Fi
Database & Business Intelligence
1 324 (30.62%) SQL Server
2 127 (12.00%) NoSQL
3 113 (10.68%) SQL Server Integration Services
4 101 (9.55%) SQL Server Reporting Services
5 99 (9.36%) MySQL
6 87 (8.22%) Relational Database
7 82 (7.75%) Big Data
8 59 (5.58%) MongoDB
9 57 (5.39%) Oracle Database
9 57 (5.39%) PostgreSQL
10 52 (4.91%) SQL Server 2008
11 46 (4.35%) Event Store
12 34 (3.21%) Data Warehouse
13 33 (3.12%) SQL Server Analysis Services
14 32 (3.02%) RDBMS
14 32 (3.02%) SQL Server 2012
15 31 (2.93%) SQL Server 2014
15 31 (2.93%) SQL Server 2016
16 27 (2.55%) Amazon RDS
16 27 (2.55%) Hadoop
Development Applications
1 150 (14.18%) Jenkins
2 102 (9.64%) Git (software)
3 88 (8.32%) Octopus Deploy
4 80 (7.56%) TeamCity
5 77 (7.28%) Atlassian Bamboo
6 62 (5.86%) Subversion
7 40 (3.78%) Vagrant
8 36 (3.40%) NUnit
9 35 (3.31%) JIRA
9 35 (3.31%) Rhino Mocks
10 34 (3.21%) Maven
11 27 (2.55%) Hudson
12 22 (2.08%) Gradle
13 21 (1.98%) Ant
14 20 (1.89%) gulp
15 17 (1.61%) Team Foundation Server
16 16 (1.51%) Cucumber
16 16 (1.51%) Selenium
17 14 (1.32%) WebDriver
18 13 (1.23%) Gitweb
General
1 219 (20.70%) Finance
2 104 (9.83%) Banking
3 55 (5.20%) Retail
4 46 (4.35%) Telecoms
5 37 (3.50%) Games
6 36 (3.40%) Music Industry
7 26 (2.46%) Investment Banking
8 23 (2.17%) Marketing
9 17 (1.61%) Financial Institution
10 14 (1.32%) Law
11 12 (1.13%) Front Office
12 10 (0.95%) Advertising
13 7 (0.66%) Multimedia
13 7 (0.66%) Online Betting
13 7 (0.66%) Pharmaceutical
14 6 (0.57%) Back Office
15 3 (0.28%) Electronics
15 3 (0.28%) Legal
15 3 (0.28%) Manufacturing
16 2 (0.19%) Digital Economy
Job Titles
1 263 (24.86%) Developer
2 166 (15.69%) Administrator
3 163 (15.41%) DBA
4 120 (11.34%) SQL DBA
5 102 (9.64%) Architect
6 91 (8.60%) DevOps Engineer
7 68 (6.43%) Java Developer
8 61 (5.77%) SQL Server DBA
9 60 (5.67%) Senior DBA
10 59 (5.58%) Senior Developer
11 56 (5.29%) C# Developer
12 55 (5.20%) Systems Administrator
13 54 (5.10%) .NET Developer
14 48 (4.54%) Software Engineer
15 46 (4.35%) AWS DevOps
16 45 (4.25%) C# .NET Developer
17 44 (4.16%) Consultant
18 41 (3.88%) Senior SQL DBA
19 40 (3.78%) Linux Engineer
20 39 (3.69%) Linux/Unix DevOps
Libraries, Frameworks & Software Standards
1 189 (17.86%) .NET
2 109 (10.30%) RESTful
3 105 (9.92%) Web Services
4 99 (9.36%) HTML
5 84 (7.94%) CSS
5 84 (7.94%) XML
6 70 (6.62%) React
7 69 (6.52%) Spring
8 66 (6.24%) HTML5
9 64 (6.05%) ASP.NET
10 56 (5.29%) Middleware
11 50 (4.73%) Kafka
12 49 (4.63%) REST
13 45 (4.25%) ASP.NET MVC
14 43 (4.06%) Node.js
15 42 (3.97%) WebSockets
16 40 (3.78%) AngularJS
17 38 (3.59%) Java EE
17 38 (3.59%) WCF
18 37 (3.50%) WPF
Miscellaneous
1 115 (10.87%) Replication
2 110 (10.40%) Fintech
3 101 (9.55%) Data Centre
4 90 (8.51%) Analytical Skills
5 89 (8.41%) Clustering
6 87 (8.22%) Greenfield Project
7 65 (6.14%) User Experience
8 59 (5.58%) Computer Science
9 49 (4.63%) Self-Motivation
10 45 (4.25%) Management Information System
11 43 (4.06%) Hybrid Cloud
12 39 (3.69%) Public Cloud
13 38 (3.59%) Algorithms
14 29 (2.74%) Enterprise Software
14 29 (2.74%) Hedge funds
15 20 (1.89%) Enterprise Cloud
15 20 (1.89%) Equities
16 17 (1.61%) Linux Command Line
17 15 (1.42%) Data Structures
18 14 (1.32%) Virtual Team
Operating Systems
1 337 (31.85%) Linux
2 250 (23.63%) Windows
3 110 (10.40%) Windows Server
4 94 (8.88%) Unix
5 70 (6.62%) Red Hat Enterprise Linux
6 55 (5.20%) CentOS
7 30 (2.84%) Solaris
7 30 (2.84%) Windows Server 2008
8 29 (2.74%) Windows Server 2012
9 16 (1.51%) Apple iOS
9 16 (1.51%) Debian
9 16 (1.51%) Windows 10
10 12 (1.13%) VMS
11 11 (1.04%) Android
12 10 (0.95%) Ubuntu
13 8 (0.76%) SUSE
13 8 (0.76%) Windows 7
14 4 (0.38%) AIX
14 4 (0.38%) Mac OS
14 4 (0.38%) Windows 8
Processes & Methodologies
1 374 (35.35%) Agile Software Development
2 279 (26.37%) DevOps
3 140 (13.23%) Problem-Solving
4 128 (12.10%) Disaster Recovery
5 122 (11.53%) Configuration Management
6 120 (11.34%) Continuous Integration
7 118 (11.15%) Scrum
8 111 (10.49%) Migration
9 106 (10.02%) ITIL
10 99 (9.36%) TDD
11 98 (9.26%) Microservices
12 89 (8.41%) Software Engineering
13 87 (8.22%) Performance Tuning
14 84 (7.94%) Deployment Automation
15 82 (7.75%) MVC
16 75 (7.09%) OO
17 73 (6.90%) Change Management
18 72 (6.81%) Business Intelligence
19 68 (6.43%) Continuous Improvement
19 68 (6.43%) Open Source
Programming Languages
1 308 (29.11%) SQL
2 238 (22.50%) Python
3 222 (20.98%) Java
4 188 (17.77%) JavaScript
5 159 (15.03%) C#
6 91 (8.60%) PowerShell
7 87 (8.22%) T-SQL
8 85 (8.03%) Bash Shell
9 69 (6.52%) Ruby
10 61 (5.77%) Perl
11 50 (4.73%) Shell Script
12 41 (3.88%) C++
12 41 (3.88%) F#
13 32 (3.02%) Go
13 32 (3.02%) Java 8
13 32 (3.02%) Scala
14 29 (2.74%) C
15 21 (1.98%) Groovy
16 19 (1.80%) PHP
17 16 (1.51%) Korn
Qualifications
1 109 (10.30%) Degree
2 42 (3.97%) Microsoft Certification
3 39 (3.69%) Computer Science Degree
4 18 (1.70%) Cisco Certification
5 16 (1.51%) MCITP
6 15 (1.42%) CCNP
7 10 (0.95%) AWS Certification
7 10 (0.95%) ITIL Certification
7 10 (0.95%) MCP
7 10 (0.95%) MCSE
7 10 (0.95%) RHCE
8 9 (0.85%) Oracle Certification
9 7 (0.66%) CISSP
9 7 (0.66%) SANS
9 7 (0.66%) Security Cleared
10 6 (0.57%) CCNA
10 6 (0.57%) MCSA
10 6 (0.57%) SC Cleared
10 6 (0.57%) Sun Certification
10 6 (0.57%) TOGAF Certification
Quality Assurance & Compliance
1 62 (5.86%) QA
2 32 (3.02%) SLA
3 13 (1.23%) PCI DSS
4 9 (0.85%) MiFID
4 9 (0.85%) PSD2
5 7 (0.66%) Data Quality
6 5 (0.47%) ISO/IEC 27001
7 4 (0.38%) Sarbanes-Oxley
8 3 (0.28%) PMO
9 2 (0.19%) Cyber Essentials
9 2 (0.19%) GDPR
9 2 (0.19%) ISO/IEC 20000
10 1 (0.095%) COBIT
10 1 (0.095%) GCP
System Software
1 189 (17.86%) Docker
2 90 (8.51%) Active Directory
3 82 (7.75%) VMware Infrastructure
4 45 (4.25%) Hyper-V
5 21 (1.98%) vSphere
6 19 (1.80%) VMware ESXi
7 18 (1.70%) KVM
8 15 (1.42%) Virtual Machines
9 11 (1.04%) HDFS
9 11 (1.04%) XenDesktop
10 10 (0.95%) XenApp
11 9 (0.85%) Oracle RAC
12 8 (0.76%) iptables
13 7 (0.66%) Squid
14 6 (0.57%) BitLocker
14 6 (0.57%) Firmware
15 5 (0.47%) VirtualBox
15 5 (0.47%) Xen
16 4 (0.38%) Apache ZooKeeper
16 4 (0.38%) Samba
Systems Management
1 167 (15.78%) Ansible
2 135 (12.76%) Opscode Chef
2 135 (12.76%) Puppet
3 70 (6.62%) Kubernetes
4 52 (4.91%) Terraform
5 38 (3.59%) Nagios
6 32 (3.02%) Failover Clustering
7 29 (2.74%) Salt
8 22 (2.08%) SCOM
9 20 (1.89%) Docker Swarm
9 20 (1.89%) Packer
10 17 (1.61%) HAProxy
10 17 (1.61%) SCCM
11 15 (1.42%) Consul
12 13 (1.23%) Single Sign-On
13 12 (1.13%) Grafana
13 12 (1.13%) Kibana
13 12 (1.13%) logstash
13 12 (1.13%) Microsoft Clustering
14 10 (0.95%) ZABBIX
Vendors
1 157 (14.84%) Microsoft
2 116 (10.96%) VMware
3 110 (10.40%) Oracle
4 94 (8.88%) Cisco
5 66 (6.24%) Red Hat
6 55 (5.20%) Google
7 36 (3.40%) IBM
8 34 (3.21%) Citrix
9 32 (3.02%) Juniper
10 30 (2.84%) Splunk
11 29 (2.74%) HP
11 29 (2.74%) Veeam
12 28 (2.65%) SAP
13 27 (2.55%) Palo Alto
14 25 (2.36%) Dell
15 19 (1.80%) Fortinet
15 19 (1.80%) Tableau
16 16 (1.51%) CommVault
17 15 (1.42%) F5
18 13 (1.23%) RedGate