Period
to 24 January 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 24 January 2018 with a comparison to the same period in the previous 2 years.

High Availability
England > London
6 months to
24 Jan 2018
Same period 2017 Same period 2016
Rank 235 224 168
Rank change year-on-year -11 -56 +10
Permanent jobs citing High Availability 1,035 1,059 1,730
As % of all permanent IT jobs advertised in London 1.48% 1.50% 2.06%
As % of the Processes & Methodologies category 1.61% 1.65% 2.30%
Number of salaries quoted 854 920 1,465
London median annual salary £65,000 £60,000 £60,000
Median salary % change year-on-year +8.33% - +4.35%
10th Percentile £40,500 £37,500 £41,250
90th Percentile £95,000 £88,750 £91,250
England median annual salary £55,000 £53,000 £52,500
% change year-on-year +3.77% +0.95% +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 64,121 64,114 75,322
As % of all permanent IT jobs advertised in London 91.51% 90.52% 89.81%
Number of salaries quoted 51,688 54,604 63,885
London median annual salary £60,000 £60,000 £55,000
Median salary % change year-on-year - +9.09% -
10th Percentile £36,000 £33,750 £33,750
90th Percentile £91,250 £90,000 £87,500
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 24 January 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 24 January 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 -7 184 £62,500 +4.17% 39
West London -13 61 £50,000 -16.67% 15
East London +3 15 £60,000 +36.36% 3
North London +12 13 £75,000 +25.00% 3
South London -27 9 £63,750 +34.21% 2
High Availability
England

For the 6 months to 24 January 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.

1 376 (36.33%) Agile Software Development
2 326 (31.50%) Linux
3 316 (30.53%) SQL Server
4 301 (29.08%) SQL
5 272 (26.28%) Amazon AWS
6 263 (25.41%) Finance
7 253 (24.44%) Windows
8 250 (24.15%) DevOps
9 244 (23.57%) Microsoft Azure
10 214 (20.68%) Python
11 208 (20.10%) Microsoft
12 197 (19.03%) Java
13 189 (18.26%) .NET
14 164 (15.85%) Scrum
15 161 (15.56%) JavaScript
16 158 (15.27%) Docker
17 151 (14.59%) Ansible
18 140 (13.53%) Puppet
19 138 (13.33%) SQL Server Integration Services
20 137 (13.24%) ITIL
20 137 (13.24%) SQL Server Reporting Services
21 136 (13.14%) Firewall
21 136 (13.14%) Degree
22 130 (12.56%) Continuous Integration
23 129 (12.46%) Unix
23 129 (12.46%) Oracle
23 129 (12.46%) Banking
24 127 (12.27%) Disaster Recovery
24 127 (12.27%) Configuration Management
25 124 (11.98%) C#

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 77 (7.44%) IIS
2 67 (6.47%) Apache
3 34 (3.29%) Confluence
4 32 (3.09%) SharePoint
4 32 (3.09%) Tomcat
5 28 (2.71%) BizTalk Server
5 28 (2.71%) OpenStack
6 26 (2.51%) nginx
7 22 (2.13%) Apache Spark
8 19 (1.84%) MS Exchange
9 14 (1.35%) WebSphere
10 11 (1.06%) Cloud Foundry
10 11 (1.06%) Exchange Server 2010
10 11 (1.06%) WebLogic
11 10 (0.97%) Elasticsearch
11 10 (0.97%) Skype for Business
12 8 (0.77%) Oracle SOA Suite
13 6 (0.58%) Apache Solr
13 6 (0.58%) NServiceBus
13 6 (0.58%) SharePoint 2013
Applications
1 5 (0.48%) Microsoft Office
2 1 (0.097%) Adobe Premiere
2 1 (0.097%) Chatbot
2 1 (0.097%) Microsoft Excel
Business Applications
1 4 (0.39%) Unit4 Business World
2 3 (0.29%) SAP BPC
3 2 (0.19%) Dynamics CRM
4 1 (0.097%) Magento
4 1 (0.097%) Oracle Applications
4 1 (0.097%) Oracle EBS
4 1 (0.097%) SAP Business One
4 1 (0.097%) SAP CO
4 1 (0.097%) SAP FI
4 1 (0.097%) SAP FI/CO
4 1 (0.097%) SAP Hybris
4 1 (0.097%) Summit
Cloud Services
1 272 (26.28%) Amazon AWS
2 244 (23.57%) Microsoft Azure
3 77 (7.44%) PaaS
4 73 (7.05%) IaaS
5 64 (6.18%) Cloud Computing
6 62 (5.99%) Office 365
7 51 (4.93%) SaaS
8 38 (3.67%) Google Cloud Platform
9 34 (3.29%) Azure Active Directory
10 20 (1.93%) Amazon CloudWatch
11 15 (1.45%) OpenShift
12 10 (0.97%) Amazon EC2
12 10 (0.97%) Amazon ELB
12 10 (0.97%) Virtual Private Cloud
13 9 (0.87%) Amazon S3
13 9 (0.87%) GitHub
14 8 (0.77%) IBM Cloud
15 7 (0.68%) AWS Lambda
15 7 (0.68%) Route 53
16 6 (0.58%) AWS Elastic Beanstalk
Communications & Networking
1 136 (13.14%) Firewall
2 98 (9.47%) DNS
3 71 (6.86%) VPN
4 57 (5.51%) WAN
5 52 (5.02%) SAN
6 51 (4.93%) HTTP
7 50 (4.83%) DHCP
8 42 (4.06%) TCP/IP
9 33 (3.19%) MPLS
9 33 (3.19%) SSL
10 30 (2.90%) BGP
10 30 (2.90%) OSPF
11 26 (2.51%) Network Security
12 24 (2.32%) Wireless
13 23 (2.22%) iSCSI
13 23 (2.22%) LAN
14 20 (1.93%) DMZ
14 20 (1.93%) NAS
14 20 (1.93%) VLAN
15 19 (1.84%) Cisco ASA
Database & Business Intelligence
1 316 (30.53%) SQL Server
2 138 (13.33%) SQL Server Integration Services
3 137 (13.24%) SQL Server Reporting Services
4 110 (10.63%) NoSQL
5 102 (9.86%) MySQL
6 76 (7.34%) Relational Database
7 72 (6.96%) MongoDB
8 68 (6.57%) SQL Server 2008
9 65 (6.28%) Big Data
10 59 (5.70%) Oracle Database
11 55 (5.31%) SQL Server 2012
12 51 (4.93%) PostgreSQL
13 42 (4.06%) SQL Server 2014
14 39 (3.77%) SQL Server Analysis Services
15 38 (3.67%) SQL Server 2016
16 37 (3.57%) RDBMS
17 35 (3.38%) Hadoop
18 26 (2.51%) Amazon RDS
19 25 (2.42%) Event Store
20 22 (2.13%) Apache Cassandra
Development Applications
1 106 (10.24%) Jenkins
2 92 (8.89%) Git (software)
3 87 (8.41%) Octopus Deploy
4 78 (7.54%) TeamCity
5 57 (5.51%) Atlassian Bamboo
6 51 (4.93%) JIRA
7 47 (4.54%) Subversion
8 39 (3.77%) NUnit
8 39 (3.77%) Rhino Mocks
9 28 (2.71%) Maven
9 28 (2.71%) Team Foundation Server
10 27 (2.61%) Visual Studio
11 20 (1.93%) Visual Studio Team System
12 18 (1.74%) MSBuild
13 15 (1.45%) Ant
14 14 (1.35%) Hudson
15 11 (1.06%) Vagrant
16 10 (0.97%) Gradle
17 9 (0.87%) Sonatype Nexus
18 7 (0.68%) Cucumber
General
1 263 (25.41%) Finance
2 129 (12.46%) Banking
3 44 (4.25%) Retail
4 39 (3.77%) Music Industry
5 38 (3.67%) Investment Banking
6 33 (3.19%) Telecoms
7 26 (2.51%) Marketing
8 25 (2.42%) Games
8 25 (2.42%) Retail Banking
9 12 (1.16%) Front Office
10 7 (0.68%) Advertising
10 7 (0.68%) Financial Institution
11 6 (0.58%) Online Betting
12 5 (0.48%) Pharmaceutical
13 4 (0.39%) Back Office
14 3 (0.29%) Aerospace
14 3 (0.29%) Electronics
14 3 (0.29%) French Language
14 3 (0.29%) Manufacturing
14 3 (0.29%) Publishing
Job Titles
1 225 (21.74%) Developer
2 152 (14.69%) DBA
3 138 (13.33%) Administrator
4 120 (11.59%) SQL DBA
5 110 (10.63%) Architect
6 103 (9.95%) DevOps Engineer
7 70 (6.76%) SQL Server DBA
8 66 (6.38%) Cloud Engineer
9 62 (5.99%) Infrastructure Engineer
10 59 (5.70%) C# Developer
11 56 (5.41%) Java Developer
11 56 (5.41%) Solutions Architect
12 52 (5.02%) .NET Developer
12 52 (5.02%) Software Engineer
13 49 (4.73%) Systems Administrator
14 48 (4.64%) Senior Developer
15 46 (4.44%) C# .NET Developer
16 41 (3.96%) Senior DBA
17 40 (3.86%) ASP.NET MVC Developer
18 39 (3.77%) C# ASP.NET Developer
Libraries, Frameworks & Software Standards
1 189 (18.26%) .NET
2 93 (8.99%) Web Services
3 86 (8.31%) RESTful
4 74 (7.15%) CSS
4 74 (7.15%) HTML
5 70 (6.76%) XML
6 63 (6.09%) HTML5
7 54 (5.22%) ASP.NET
8 48 (4.64%) ASP.NET MVC
9 47 (4.54%) React
10 46 (4.44%) Ajax
11 44 (4.25%) Spring
12 40 (3.86%) LINQ
12 40 (3.86%) NHibernate
13 39 (3.77%) Castle Windsor
13 39 (3.77%) MonoRail
13 39 (3.77%) REST
13 39 (3.77%) Silverlight
13 39 (3.77%) WCF
13 39 (3.77%) WPF
Miscellaneous
1 109 (10.53%) Data Centre
2 97 (9.37%) Computer Science
3 87 (8.41%) Clustering
4 84 (8.12%) Analytical Skills
5 80 (7.73%) Replication
6 71 (6.86%) Fintech
7 69 (6.67%) Algorithms
8 67 (6.47%) User Experience
9 63 (6.09%) Hybrid Cloud
10 56 (5.41%) Greenfield Project
11 48 (4.64%) Management Information System
12 47 (4.54%) Public Cloud
13 34 (3.29%) Enterprise Software
14 33 (3.19%) Data Structures
15 29 (2.80%) Private Cloud
16 18 (1.74%) Linux Command Line
17 15 (1.45%) Hedge funds
18 12 (1.16%) Enterprise Cloud
19 11 (1.06%) PKI
20 9 (0.87%) Distributed Denial-of-Service
Operating Systems
1 326 (31.50%) Linux
2 253 (24.44%) Windows
3 129 (12.46%) Unix
4 114 (11.01%) Windows Server
5 63 (6.09%) CentOS
6 62 (5.99%) Red Hat Enterprise Linux
7 33 (3.19%) Solaris
8 26 (2.51%) Windows Server 2012
9 25 (2.42%) Windows Server 2008
10 22 (2.13%) Windows 10
11 19 (1.84%) Debian
12 15 (1.45%) Apple iOS
13 14 (1.35%) AIX
14 13 (1.26%) Windows 7
15 12 (1.16%) VMS
16 11 (1.06%) Android
16 11 (1.06%) SUSE
16 11 (1.06%) Windows 8
17 10 (0.97%) Mac OS X
17 10 (0.97%) Ubuntu
Processes & Methodologies
1 376 (36.33%) Agile Software Development
2 250 (24.15%) DevOps
3 164 (15.85%) Scrum
4 137 (13.24%) ITIL
5 130 (12.56%) Continuous Integration
6 127 (12.27%) Configuration Management
6 127 (12.27%) Disaster Recovery
7 107 (10.34%) Migration
8 106 (10.24%) TDD
9 98 (9.47%) Software Engineering
10 90 (8.70%) Open Source
11 80 (7.73%) Business Intelligence
12 79 (7.63%) MVC
13 78 (7.54%) Performance Tuning
14 77 (7.44%) Low Latency
15 62 (5.99%) Continuous Delivery
15 62 (5.99%) Continuous Improvement
15 62 (5.99%) Microservices
16 61 (5.89%) OO
16 61 (5.89%) Service Delivery
Programming Languages
1 301 (29.08%) SQL
2 214 (20.68%) Python
3 197 (19.03%) Java
4 161 (15.56%) JavaScript
5 124 (11.98%) C#
6 104 (10.05%) Perl
7 98 (9.47%) PowerShell
8 90 (8.70%) Bash Shell
9 82 (7.92%) T-SQL
10 81 (7.83%) Ruby
11 61 (5.89%) C++
12 41 (3.96%) Go
13 39 (3.77%) Shell Script
14 34 (3.29%) PHP
15 30 (2.90%) C
16 27 (2.61%) Scala
17 24 (2.32%) F#
18 21 (2.03%) Korn
19 16 (1.55%) PL/SQL
20 10 (0.97%) Objective-C
Qualifications
1 136 (13.14%) Degree
2 70 (6.76%) Microsoft Certification
3 64 (6.18%) Computer Science Degree
4 37 (3.57%) Cisco Certification
5 36 (3.48%) Master's Degree
6 27 (2.61%) MCSE
7 23 (2.22%) MCITP
8 22 (2.13%) CCNP
9 19 (1.84%) CCNA
10 11 (1.06%) RHCE
11 10 (0.97%) CCIE
11 10 (0.97%) ITIL Certification
11 10 (0.97%) Security Cleared
12 8 (0.77%) MCP
12 8 (0.77%) VMware Certified Professional (VCP)
13 7 (0.68%) SC Cleared
14 6 (0.58%) AWS Certification
14 6 (0.58%) MCTS
15 5 (0.48%) CISSP
15 5 (0.48%) JNCIE
Quality Assurance & Compliance
1 50 (4.83%) QA
2 26 (2.51%) SLA
3 24 (2.32%) PCI DSS
4 8 (0.77%) SEPA
5 5 (0.48%) GDPR
5 5 (0.48%) Sarbanes-Oxley
6 3 (0.29%) Data Quality
6 3 (0.29%) PSD2
7 2 (0.19%) Cyber Essentials
7 2 (0.19%) ISO/IEC 27001
7 2 (0.19%) PMO
8 1 (0.097%) COBIT
System Software
1 158 (15.27%) Docker
2 120 (11.59%) Active Directory
3 79 (7.63%) VMware Infrastructure
4 32 (3.09%) vSphere
5 28 (2.71%) Hyper-V
6 26 (2.51%) VMware ESXi
7 11 (1.06%) Virtual Machines
7 11 (1.06%) XenDesktop
8 10 (0.97%) KVM
8 10 (0.97%) NFS
8 10 (0.97%) XenApp
9 8 (0.77%) BitLocker
10 6 (0.58%) HDFS
10 6 (0.58%) Oracle RAC
11 5 (0.48%) iptables
11 5 (0.48%) Veritas Cluster Server
12 4 (0.39%) vCloud
13 3 (0.29%) Apache ZooKeeper
13 3 (0.29%) Samba
13 3 (0.29%) Varnish
Systems Management
1 151 (14.59%) Ansible
2 140 (13.53%) Puppet
3 106 (10.24%) Opscode Chef
4 66 (6.38%) Kubernetes
5 48 (4.64%) Nagios
6 23 (2.22%) SCCM
7 20 (1.93%) Terraform
8 16 (1.55%) Failover Clustering
8 16 (1.55%) Rundeck
9 13 (1.26%) Cacti
9 13 (1.26%) SCOM
10 12 (1.16%) HAProxy
10 12 (1.16%) NetBackup
11 10 (0.97%) ZABBIX
12 9 (0.87%) Opsview
12 9 (0.87%) vCenter Server
13 8 (0.77%) Microsoft Clustering
13 8 (0.77%) SCVMM
13 8 (0.77%) vRealize
14 7 (0.68%) BMC Marimba
Vendors
1 208 (20.10%) Microsoft
2 129 (12.46%) Oracle
3 120 (11.59%) VMware
4 112 (10.82%) Cisco
5 63 (6.09%) Splunk
6 57 (5.51%) Red Hat
7 48 (4.64%) Google
8 38 (3.67%) IBM
9 34 (3.29%) HP
9 34 (3.29%) Juniper
10 30 (2.90%) Citrix
11 29 (2.80%) Dell
12 26 (2.51%) SAP
12 26 (2.51%) Sybase
13 25 (2.42%) Murex
14 22 (2.13%) CheckPoint
15 20 (1.93%) RedGate
16 19 (1.84%) Veeam
17 18 (1.74%) NetApp
18 17 (1.64%) Fortinet