Period
to 19 November 2017

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 19 November 2017 with a comparison to the same period in the previous 2 years.

High Availability
England > London
6 months to
19 Nov 2017
Same period 2016 Same period 2015
Rank 223 221 165
Rank change year-on-year -2 -56 -7
Permanent jobs citing High Availability 1169 1174 1877
As % of all permanent IT jobs advertised in London 1.57% 1.56% 2.11%
As % of the Processes & Methodologies category 1.71% 1.72% 2.35%
Number of salaries quoted 897 997 1551
London median annual salary £62,500 £62,500 £60,000
Median salary % change year-on-year - +4.17% +4.35%
10th Percentile £41,250 £40,000 £38,750
90th Percentile £86,250 £86,750 £87,500
England median annual salary £52,500 £55,000 £52,500
% change year-on-year -4.55% +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 68400 68410 79775
As % of all permanent IT jobs advertised in London 91.62% 90.62% 89.57%
Number of salaries quoted 52517 58869 67204
London median annual salary £60,000 £57,500 £55,000
Median salary % change year-on-year +4.35% +4.55% -
10th Percentile £35,000 £33,750 £33,000
90th Percentile £90,000 £88,750 £86,250
England median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% +5.56%

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 19 November 2017.

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 19 November 2017. 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 -41 159 £62,500 +13.64% 13
West London 0 77 £48,000 -28.89% 8
East London +21 21 £60,000 +20.00% 1
South London -13 9 £70,000 +27.27% 1
North London +3 6 £75,000 +25.00%
High Availability
England

For the 6 months to 19 November 2017, IT jobs citing High Availability also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the London region with a requirement for High Availability.

1 429 (36.70%) Agile Software Development
2 376 (32.16%) Finance
2 376 (32.16%) Linux
3 359 (30.71%) SQL Server
4 342 (29.26%) SQL
5 291 (24.89%) DevOps
6 285 (24.38%) Amazon AWS
7 274 (23.44%) Microsoft
8 269 (23.01%) Windows
9 263 (22.50%) Python
10 245 (20.96%) Java
11 239 (20.44%) Microsoft Azure
12 223 (19.08%) Banking
13 206 (17.62%) Scrum
14 192 (16.42%) Unix
15 189 (16.17%) Perl
16 186 (15.91%) Ansible
17 185 (15.83%) .NET
18 172 (14.71%) Low Latency
19 170 (14.54%) Active Directory
20 169 (14.46%) Docker
21 167 (14.29%) Oracle
22 166 (14.20%) ITIL
23 164 (14.03%) SQL Server Integration Services
24 160 (13.69%) SQL Server Reporting Services
24 160 (13.69%) Puppet
25 157 (13.43%) Continuous Integration
26 152 (13.00%) Degree
27 143 (12.23%) Firewall
27 143 (12.23%) Configuration Management

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 95 (8.13%) IIS
2 73 (6.24%) Apache
3 52 (4.45%) Confluence
4 50 (4.28%) OpenStack
5 37 (3.17%) Tomcat
6 35 (2.99%) nginx
7 32 (2.74%) SharePoint
8 22 (1.88%) MS Exchange
9 21 (1.80%) Apache Spark
9 21 (1.80%) BizTalk Server
10 19 (1.63%) Elasticsearch
11 16 (1.37%) Exchange Server 2010
12 13 (1.11%) NServiceBus
12 13 (1.11%) Skype for Business
13 10 (0.86%) Cloud Foundry
13 10 (0.86%) Jetty
14 9 (0.77%) SharePoint 2010
15 8 (0.68%) WebLogic
16 7 (0.60%) WebSphere
17 6 (0.51%) SharePoint 2013
Applications
1 5 (0.43%) Microsoft PowerPoint
1 5 (0.43%) Microsoft Project
1 5 (0.43%) MS Visio
2 2 (0.17%) Microsoft Excel
2 2 (0.17%) Microsoft Office
3 1 (0.086%) Chatbot
Business Applications
1 6 (0.51%) Dynamics CRM
2 5 (0.43%) Oracle Applications
3 4 (0.34%) Unit4 Business World
4 3 (0.26%) SAP BPC
4 3 (0.26%) SAP S/4HANA
5 2 (0.17%) Oracle EBS
5 2 (0.17%) SAP Hybris
6 1 (0.086%) OpenText MBPM
6 1 (0.086%) Oracle BPM
6 1 (0.086%) Oracle CRM
6 1 (0.086%) SAP CO
6 1 (0.086%) SAP FI
6 1 (0.086%) SAP FI/CO
6 1 (0.086%) StreamServe
6 1 (0.086%) Summit
Cloud Services
1 285 (24.38%) Amazon AWS
2 239 (20.44%) Microsoft Azure
3 82 (7.01%) IaaS
4 72 (6.16%) PaaS
5 50 (4.28%) Cloud Computing
5 50 (4.28%) Office 365
6 37 (3.17%) Azure Active Directory
7 34 (2.91%) Google Cloud Platform
8 28 (2.40%) SaaS
9 24 (2.05%) Amazon CloudWatch
10 12 (1.03%) Amazon EC2
10 12 (1.03%) GitHub
11 11 (0.94%) IBM Cloud
12 9 (0.77%) Virtual Private Cloud
13 8 (0.68%) Amazon SQS
13 8 (0.68%) AWS CloudFormation
13 8 (0.68%) OpenShift
14 7 (0.60%) AWS Lambda
15 6 (0.51%) AWS Elastic Beanstalk
15 6 (0.51%) Rackspace Cloud
Communications & Networking
1 143 (12.23%) Firewall
2 124 (10.61%) DNS
3 96 (8.21%) WAN
4 77 (6.59%) VPN
5 60 (5.13%) DHCP
6 54 (4.62%) SAN
6 54 (4.62%) TCP/IP
7 52 (4.45%) MPLS
8 49 (4.19%) SSL
9 47 (4.02%) HTTP
10 45 (3.85%) BGP
10 45 (3.85%) OSPF
11 38 (3.25%) DMZ
11 38 (3.25%) VLAN
12 31 (2.65%) LAN
13 29 (2.48%) Internet
14 24 (2.05%) Cisco Nexus
14 24 (2.05%) Network Security
15 23 (1.97%) Wireless
16 19 (1.63%) IPsec
Database & Business Intelligence
1 359 (30.71%) SQL Server
2 164 (14.03%) SQL Server Integration Services
3 160 (13.69%) SQL Server Reporting Services
4 120 (10.27%) NoSQL
5 85 (7.27%) MongoDB
6 83 (7.10%) MySQL
7 82 (7.01%) Oracle Database
8 79 (6.76%) SQL Server 2008
9 78 (6.67%) Relational Database
10 75 (6.42%) SQL Server 2012
11 59 (5.05%) SQL Server 2014
11 59 (5.05%) SQL Server Analysis Services
12 55 (4.70%) Hadoop
13 51 (4.36%) Big Data
14 46 (3.93%) PostgreSQL
15 35 (2.99%) RDBMS
16 32 (2.74%) Data Warehouse
17 23 (1.97%) MariaDB
17 23 (1.97%) SQL Server 2005
18 21 (1.80%) Redis
Development Applications
1 140 (11.98%) Jenkins
2 122 (10.44%) Git (software)
3 84 (7.19%) TeamCity
4 75 (6.42%) JIRA
5 72 (6.16%) Octopus Deploy
6 59 (5.05%) Team Foundation Server
7 49 (4.19%) Atlassian Bamboo
8 43 (3.68%) Visual Studio
9 42 (3.59%) Subversion
10 33 (2.82%) NUnit
11 32 (2.74%) Rhino Mocks
12 28 (2.40%) Maven
12 28 (2.40%) Visual Studio Team System
13 17 (1.45%) Ant
14 16 (1.37%) Hudson
15 14 (1.20%) Gradle
16 12 (1.03%) MSBuild
17 8 (0.68%) Mercurial
18 7 (0.60%) Bitbucket
18 7 (0.60%) Selenium
General
1 376 (32.16%) Finance
2 223 (19.08%) Banking
3 90 (7.70%) Investment Banking
4 70 (5.99%) Retail Banking
5 44 (3.76%) Telecoms
6 39 (3.34%) Retail
7 33 (2.82%) Games
8 32 (2.74%) Music Industry
9 25 (2.14%) Marketing
10 17 (1.45%) Front Office
11 8 (0.68%) Financial Institution
12 7 (0.60%) Electronics
13 6 (0.51%) Legal
13 6 (0.51%) Manufacturing
14 5 (0.43%) Advertising
14 5 (0.43%) Law
14 5 (0.43%) Publishing
15 3 (0.26%) Aerospace
15 3 (0.26%) Back Office
15 3 (0.26%) French Language
Job Titles
1 243 (20.79%) Developer
2 163 (13.94%) DBA
3 141 (12.06%) Architect
3 141 (12.06%) SQL DBA
4 126 (10.78%) DevOps Engineer
5 125 (10.69%) Administrator
6 99 (8.47%) SQL Server DBA
7 98 (8.38%) Cloud Engineer
8 83 (7.10%) Solutions Architect
9 75 (6.42%) C# Developer
9 75 (6.42%) Java Developer
10 74 (6.33%) Infrastructure Engineer
11 73 (6.24%) Senior Developer
12 70 (5.99%) .NET Developer
13 63 (5.39%) C# .NET Developer
14 61 (5.22%) Network Engineer
15 59 (5.05%) Technical Architect
16 58 (4.96%) Software Engineer
17 49 (4.19%) Technical Solutions Architect
18 44 (3.76%) AWS Engineer
Libraries, Frameworks & Software Standards
1 185 (15.83%) .NET
2 89 (7.61%) RESTful
2 89 (7.61%) Web Services
3 76 (6.50%) XML
4 73 (6.24%) HTML
5 71 (6.07%) CSS
6 59 (5.05%) Spring
7 53 (4.53%) HTML5
8 52 (4.45%) ASP.NET
9 43 (3.68%) Java EE
10 41 (3.51%) ASP.NET MVC
11 40 (3.42%) Ajax
12 38 (3.25%) React
12 38 (3.25%) REST
13 37 (3.17%) AngularJS
13 37 (3.17%) Spring Boot
14 36 (3.08%) JPA
14 36 (3.08%) Spring MVC
15 35 (2.99%) Hibernate
16 34 (2.91%) WCF
Miscellaneous
1 132 (11.29%) Clustering
2 124 (10.61%) Computer Science
3 116 (9.92%) Data Centre
4 106 (9.07%) Algorithms
5 105 (8.98%) Analytical Skills
6 86 (7.36%) Management Information System
7 79 (6.76%) Replication
8 73 (6.24%) Hybrid Cloud
9 71 (6.07%) Fintech
10 60 (5.13%) Public Cloud
11 59 (5.05%) User Experience
12 47 (4.02%) Greenfield Project
13 43 (3.68%) Enterprise Software
14 41 (3.51%) Data Structures
14 41 (3.51%) Private Cloud
15 19 (1.63%) Blog
15 19 (1.63%) Hedge funds
16 18 (1.54%) Client/Server
17 17 (1.45%) Enterprise Storage
18 15 (1.28%) PKI
Operating Systems
1 376 (32.16%) Linux
2 269 (23.01%) Windows
3 192 (16.42%) Unix
4 111 (9.50%) Windows Server
5 77 (6.59%) CentOS
6 73 (6.24%) Red Hat Enterprise Linux
7 34 (2.91%) Solaris
8 31 (2.65%) Windows Server 2012
9 28 (2.40%) Windows Server 2008
10 26 (2.22%) Windows 10
11 21 (1.80%) Windows 7
12 16 (1.37%) AIX
12 16 (1.37%) Ubuntu
12 16 (1.37%) Windows 8
13 14 (1.20%) Debian
14 13 (1.11%) Android
15 12 (1.03%) Windows Server 2003
16 10 (0.86%) Mac OS
16 10 (0.86%) SUSE
17 9 (0.77%) Mac OS X
Processes & Methodologies
1 429 (36.70%) Agile Software Development
2 291 (24.89%) DevOps
3 206 (17.62%) Scrum
4 172 (14.71%) Low Latency
5 166 (14.20%) ITIL
6 157 (13.43%) Continuous Integration
7 143 (12.23%) Configuration Management
8 135 (11.55%) Disaster Recovery
9 133 (11.38%) TDD
10 129 (11.04%) Software Engineering
11 118 (10.09%) Open Source
12 113 (9.67%) Kanban
13 108 (9.24%) Migration
14 92 (7.87%) Continuous Delivery
15 89 (7.61%) Project Management
16 86 (7.36%) MVC
17 84 (7.19%) Business Intelligence
18 79 (6.76%) SDLC
19 77 (6.59%) Asset Management
19 77 (6.59%) Wealth Management
Programming Languages
1 342 (29.26%) SQL
2 263 (22.50%) Python
3 245 (20.96%) Java
4 189 (16.17%) Perl
5 133 (11.38%) C#
6 129 (11.04%) JavaScript
7 128 (10.95%) PowerShell
8 112 (9.58%) Bash Shell
9 99 (8.47%) T-SQL
10 94 (8.04%) Ruby
11 81 (6.93%) C++
12 47 (4.02%) PHP
13 43 (3.68%) Go
14 37 (3.17%) C
14 37 (3.17%) Shell Script
15 24 (2.05%) Scala
16 20 (1.71%) Korn
17 19 (1.63%) VB.NET
18 11 (0.94%) Groovy
18 11 (0.94%) R
Qualifications
1 152 (13.00%) Degree
2 101 (8.64%) Microsoft Certification
3 86 (7.36%) Computer Science Degree
4 75 (6.42%) Cisco Certification
5 69 (5.90%) Master's Degree
6 57 (4.88%) CCNP
7 42 (3.59%) CCIE
8 34 (2.91%) MCSE
9 31 (2.65%) MCITP
10 23 (1.97%) CCNA
11 9 (0.77%) MCTS
12 8 (0.68%) RHCE
12 8 (0.68%) VMware Certified Professional (VCP)
13 7 (0.60%) ITIL Certification
14 5 (0.43%) JNCIE
14 5 (0.43%) MCSA
14 5 (0.43%) RHCSA
15 4 (0.34%) EMCSA
15 4 (0.34%) EMCTA
15 4 (0.34%) Security Cleared
Quality Assurance & Compliance
1 62 (5.30%) QA
2 41 (3.51%) PCI DSS
3 38 (3.25%) SLA
4 27 (2.31%) SEPA
5 10 (0.86%) Data Quality
6 8 (0.68%) GDPR
7 5 (0.43%) COBIT
8 4 (0.34%) GCP
9 3 (0.26%) PMO
10 2 (0.17%) Cyber Essentials
10 2 (0.17%) ISO/IEC 27001
10 2 (0.17%) PSD2
10 2 (0.17%) Sarbanes-Oxley
11 1 (0.086%) ISO 9001
System Software
1 170 (14.54%) Active Directory
2 169 (14.46%) Docker
3 97 (8.30%) VMware Infrastructure
4 28 (2.40%) VMware ESXi
5 26 (2.22%) Hyper-V
5 26 (2.22%) vSphere
6 18 (1.54%) NFS
7 10 (0.86%) KVM
7 10 (0.86%) Veritas Cluster Server
8 7 (0.60%) iptables
8 7 (0.60%) Virtual Machines
8 7 (0.60%) Virtual Servers
8 7 (0.60%) XenDesktop
9 6 (0.51%) BitLocker
9 6 (0.51%) Ceph
9 6 (0.51%) etcd
9 6 (0.51%) Varnish
10 5 (0.43%) XenApp
11 4 (0.34%) Microsoft Virtual Server
11 4 (0.34%) Sendmail
Systems Management
1 186 (15.91%) Ansible
2 160 (13.69%) Puppet
3 109 (9.32%) Opscode Chef
4 74 (6.33%) Kubernetes
5 56 (4.79%) Nagios
6 30 (2.57%) Terraform
7 28 (2.40%) Opsview
8 27 (2.31%) Rundeck
9 23 (1.97%) SCCM
10 21 (1.80%) Microsoft Clustering
11 14 (1.20%) ZABBIX
12 13 (1.11%) Failover Clustering
12 13 (1.11%) vCenter Server
13 11 (0.94%) NetBackup
13 11 (0.94%) vRealize
14 10 (0.86%) Cacti
14 10 (0.86%) Grafana
15 9 (0.77%) CFEngine
16 8 (0.68%) Microsoft Intune
16 8 (0.68%) SCOM
Vendors
1 274 (23.44%) Microsoft
2 167 (14.29%) Oracle
3 132 (11.29%) VMware
4 123 (10.52%) Cisco
5 117 (10.01%) Splunk
6 64 (5.47%) Murex
7 58 (4.96%) Juniper
7 58 (4.96%) Red Hat
8 55 (4.70%) Sybase
9 49 (4.19%) IBM
10 46 (3.93%) SAP
11 42 (3.59%) Google
12 41 (3.51%) HP
13 23 (1.97%) CheckPoint
13 23 (1.97%) Dell
14 17 (1.45%) Citrix
15 16 (1.37%) NetApp
15 16 (1.37%) RedGate
15 16 (1.37%) Reuters
15 16 (1.37%) Veritas