Period
to 18 December 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 18 December 2018 with a comparison to the same period in the previous 2 years.

High Availability
England > London
6 months to
18 Dec 2018
Same period 2017 Same period 2016
Rank 226 229 229
Rank change year-on-year +3 0 -61
Permanent jobs citing High Availability 1,064 1,153 1,118
As % of all permanent IT jobs advertised in London 1.60% 1.56% 1.52%
As % of the Processes & Methodologies category 1.74% 1.67% 1.65%
Number of salaries quoted 828 914 964
London median annual salary £65,000 £62,500 £62,500
Median salary % change year-on-year +4.00% - +4.17%
10th Percentile £42,500 £41,250 £39,250
90th Percentile £102,500 £88,750 £88,750
England median annual salary £55,000 £54,750 £55,000
% change year-on-year +0.46% -0.45% +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 61,049 68,878 67,893
As % of all permanent IT jobs advertised in London 92.04% 93.29% 92.20%
Number of salaries quoted 49,239 53,874 58,159
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 £33,519
90th Percentile £95,000 £90,000 £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 18 December 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 18 December 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 -6 154 £65,000 +4.00% 32
South London +20 42 £55,000 -18.52% 4
West London -14 41 £52,500 +6.81% 33
East London +5 19 £52,500 -12.50% 2
North London +8 4 £50,000 -33.33% 5
High Availability
England

For the 6 months to 18 December 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.

1 422 (39.66%) Finance
2 406 (38.16%) Agile Software Development
3 386 (36.28%) SQL
4 362 (34.02%) Amazon AWS
5 341 (32.05%) Linux
6 324 (30.45%) SQL Server
7 317 (29.79%) DevOps
8 305 (28.67%) Java
9 302 (28.38%) Python
10 257 (24.15%) Microsoft Azure
11 239 (22.46%) Windows
12 204 (19.17%) Ansible
12 204 (19.17%) Docker
13 199 (18.70%) Microsoft
14 188 (17.67%) Git (software)
15 186 (17.48%) C#
16 179 (16.82%) Continuous Integration
17 174 (16.35%) Banking
18 169 (15.88%) .NET
19 167 (15.70%) Opscode Chef
20 166 (15.60%) PowerShell
21 162 (15.23%) Jenkins
22 157 (14.76%) Problem-Solving
23 151 (14.19%) Puppet
24 150 (14.10%) ITIL
24 150 (14.10%) Degree
25 148 (13.91%) Web Services
26 147 (13.82%) NoSQL
27 142 (13.35%) VMware
28 140 (13.16%) TDD

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 48 (4.51%) WebSphere
2 39 (3.67%) Apache
3 37 (3.48%) Confluence
4 31 (2.91%) Elasticsearch
5 30 (2.82%) IIS
6 22 (2.07%) OpenStack
7 20 (1.88%) nginx
8 16 (1.50%) CMS
8 16 (1.50%) JBoss
9 15 (1.41%) MS Exchange
10 13 (1.22%) Apache Spark
11 10 (0.94%) WordPress
12 8 (0.75%) SharePoint
13 7 (0.66%) Mule
14 5 (0.47%) Exchange Server 2013
14 5 (0.47%) SmartSockets
14 5 (0.47%) Tomcat
15 4 (0.38%) Exchange Server 2010
15 4 (0.38%) SharePoint Server
15 4 (0.38%) Skype for Business
Applications
1 13 (1.22%) Microsoft Office
2 9 (0.85%) Microsoft Excel
3 6 (0.56%) Spreadsheet
4 3 (0.28%) Chatbot
5 1 (0.094%) Fireworks
5 1 (0.094%) HipChat
5 1 (0.094%) Photoshop
Business Applications
1 12 (1.13%) Payment Gateway
2 6 (0.56%) Dynamics CRM
3 4 (0.38%) Dynamics AX
3 4 (0.38%) MetaTrader
4 3 (0.28%) Dynamics NAV
4 3 (0.28%) PlanetPress Connect
4 3 (0.28%) Sage 50
5 2 (0.19%) Magento
6 1 (0.094%) NetSuite
6 1 (0.094%) Salesforce.com CRM
Cloud Services
1 362 (34.02%) Amazon AWS
2 257 (24.15%) Microsoft Azure
3 81 (7.61%) Google Cloud Platform
4 56 (5.26%) AWS CloudFormation
5 55 (5.17%) SaaS
6 50 (4.70%) Cloud Computing
7 44 (4.14%) Office 365
8 43 (4.04%) GitHub
9 40 (3.76%) IaaS
10 32 (3.01%) Amazon EC2
11 31 (2.91%) PaaS
12 27 (2.54%) Virtual Private Cloud
13 20 (1.88%) Serverless
14 17 (1.60%) Amazon S3
15 16 (1.50%) Azure Active Directory
16 15 (1.41%) Amazon ELB
16 15 (1.41%) CloudFront
16 15 (1.41%) Route 53
17 12 (1.13%) AWS Lambda
18 11 (1.03%) OpenShift
Communications & Networking
1 112 (10.53%) Firewall
2 65 (6.11%) DNS
3 64 (6.02%) VPN
4 53 (4.98%) TCP/IP
5 49 (4.61%) HTTP
6 41 (3.85%) WAN
7 40 (3.76%) SAN
8 31 (2.91%) Internet
8 31 (2.91%) LAN
9 30 (2.82%) DHCP
10 22 (2.07%) Cisco ASA
11 21 (1.97%) Network Security
12 20 (1.88%) BGP
12 20 (1.88%) NAS
12 20 (1.88%) OSPF
13 17 (1.60%) MPLS
14 16 (1.50%) SNMP
15 14 (1.32%) NetScaler
16 13 (1.22%) VLAN
17 10 (0.94%) EIGRP
Database & Business Intelligence
1 324 (30.45%) SQL Server
2 147 (13.82%) NoSQL
3 91 (8.55%) SQL Server Integration Services
4 87 (8.18%) Relational Database
5 86 (8.08%) SQL Server Reporting Services
6 83 (7.80%) SQL Server 2016
7 67 (6.30%) PostgreSQL
8 66 (6.20%) MySQL
9 62 (5.83%) Oracle Database
10 60 (5.64%) MongoDB
11 56 (5.26%) SQL Server Analysis Services
12 49 (4.61%) RDBMS
13 46 (4.32%) Big Data
14 42 (3.95%) Data Warehouse
15 38 (3.57%) SQL Server 2008
16 37 (3.48%) Amazon RDS
17 32 (3.01%) SQL Server 2014
18 22 (2.07%) Azure SQL Database
19 21 (1.97%) Event Store
19 21 (1.97%) Redis
Development Applications
1 188 (17.67%) Git (software)
2 162 (15.23%) Jenkins
3 76 (7.14%) JIRA
4 61 (5.73%) Subversion
4 61 (5.73%) TeamCity
5 51 (4.79%) Maven
6 49 (4.61%) Atlassian Bamboo
7 46 (4.32%) Octopus Deploy
8 29 (2.73%) Team Foundation Server
9 22 (2.07%) Vagrant
10 20 (1.88%) Hudson
11 19 (1.79%) GitLab
12 18 (1.69%) Cucumber
13 17 (1.60%) Gradle
14 15 (1.41%) JUnit
15 12 (1.13%) Selenium
16 11 (1.03%) TestNG
17 10 (0.94%) CircleCI
17 10 (0.94%) PEAR
17 10 (0.94%) SpecFlow
General
1 422 (39.66%) Finance
2 174 (16.35%) Banking
3 60 (5.64%) Investment Banking
4 49 (4.61%) Law
5 47 (4.42%) Retail
6 37 (3.48%) Front Office
7 34 (3.20%) Games
8 26 (2.44%) Music Industry
9 23 (2.16%) Financial Institution
10 20 (1.88%) Publishing
11 18 (1.69%) Back Office
12 16 (1.50%) Legal
13 10 (0.94%) Telecoms
14 7 (0.66%) Advertising
14 7 (0.66%) Marketing
15 4 (0.38%) Manufacturing
15 4 (0.38%) Multimedia
16 3 (0.28%) Electronics
17 2 (0.19%) Automotive
17 2 (0.19%) Billing
Job Titles
1 232 (21.80%) Developer
2 156 (14.66%) DBA
3 121 (11.37%) DevOps Engineer
4 116 (10.90%) SQL DBA
5 114 (10.71%) Architect
6 111 (10.43%) Administrator
7 67 (6.30%) SQL Server DBA
8 57 (5.36%) Cloud Architect
9 55 (5.17%) Platform Engineer
10 48 (4.51%) Infrastructure Engineer
11 47 (4.42%) Azure Architect
12 43 (4.04%) .NET Developer
12 43 (4.04%) C# Developer
13 42 (3.95%) Linux Engineer
14 40 (3.76%) Java Developer
15 39 (3.67%) AWS Architect
15 39 (3.67%) Senior DBA
16 38 (3.57%) Python Developer
17 36 (3.38%) SQL Developer
18 35 (3.29%) Analyst
Libraries, Frameworks & Software Standards
1 169 (15.88%) .NET
2 148 (13.91%) Web Services
3 91 (8.55%) RESTful
4 76 (7.14%) Spring
5 70 (6.58%) Node.js
6 65 (6.11%) HTML
7 52 (4.89%) ASP.NET
7 52 (4.89%) ASP.NET Web API
8 51 (4.79%) .NET Framework
9 49 (4.61%) REST
10 48 (4.51%) CSS
11 43 (4.04%) Kafka
12 42 (3.95%) JMS
13 39 (3.67%) Entity Framework
14 38 (3.57%) AngularJS
15 35 (3.29%) WCF
15 35 (3.29%) WebSphere MQ
16 34 (3.20%) ASP.NET MVC
16 34 (3.20%) React
17 33 (3.10%) Middleware
Miscellaneous
1 137 (12.88%) Clustering
2 98 (9.21%) Replication
3 91 (8.55%) Analytical Skills
4 83 (7.80%) Fintech
5 76 (7.14%) Data Centre
6 64 (6.02%) Public Cloud
7 58 (5.45%) Algorithms
8 41 (3.85%) Hedge funds
8 41 (3.85%) Hybrid Cloud
8 41 (3.85%) Self-Motivation
9 39 (3.67%) User Experience
10 38 (3.57%) Enterprise Cloud
10 38 (3.57%) Management Information System
11 35 (3.29%) Private Cloud
12 34 (3.20%) Foreign Exchange (FX)
13 33 (3.10%) Greenfield Project
14 32 (3.01%) Equities
15 30 (2.82%) Fixed Income
16 25 (2.35%) Derivative
16 25 (2.35%) Equity Derivative
Operating Systems
1 341 (32.05%) Linux
2 239 (22.46%) Windows
3 114 (10.71%) Windows Server
4 88 (8.27%) Red Hat Enterprise Linux
5 64 (6.02%) CentOS
5 64 (6.02%) Unix
6 31 (2.91%) Windows Server 2012
7 24 (2.26%) Windows Server 2008
8 17 (1.60%) Apple iOS
8 17 (1.60%) Ubuntu
9 14 (1.32%) Debian
10 13 (1.22%) Oracle Linux
11 12 (1.13%) Solaris
11 12 (1.13%) Windows 10
12 10 (0.94%) Android
13 9 (0.85%) Fedora
13 9 (0.85%) Windows 7
14 8 (0.75%) Windows 8
15 5 (0.47%) FreeBSD
15 5 (0.47%) Windows Server 2003
Processes & Methodologies
1 406 (38.16%) Agile Software Development
2 317 (29.79%) DevOps
3 179 (16.82%) Continuous Integration
4 157 (14.76%) Problem-Solving
5 150 (14.10%) ITIL
6 140 (13.16%) TDD
7 129 (12.12%) Disaster Recovery
8 128 (12.03%) Microservices
9 122 (11.47%) Configuration Management
9 122 (11.47%) Scrum
10 119 (11.18%) Performance Tuning
11 116 (10.90%) Test Automation
12 113 (10.62%) Computer Science
13 86 (8.08%) Migration
14 84 (7.89%) BDD
14 84 (7.89%) Software Engineering
15 78 (7.33%) Open Source
16 74 (6.95%) Infrastructure Engineering
16 74 (6.95%) Stakeholder Management
17 72 (6.77%) Deployment Automation
Programming Languages
1 386 (36.28%) SQL
2 305 (28.67%) Java
3 302 (28.38%) Python
4 186 (17.48%) C#
5 166 (15.60%) PowerShell
6 136 (12.78%) JavaScript
7 118 (11.09%) T-SQL
8 106 (9.96%) Bash Shell
9 105 (9.87%) Ruby
10 77 (7.24%) C++
11 58 (5.45%) Perl
12 55 (5.17%) Go
13 38 (3.57%) Shell Script
14 33 (3.10%) Java 8
15 32 (3.01%) Scala
16 30 (2.82%) PL/SQL
17 24 (2.26%) F#
18 20 (1.88%) Korn
19 17 (1.60%) C
20 15 (1.41%) Haskell
Qualifications
1 150 (14.10%) Degree
2 58 (5.45%) Computer Science Degree
3 42 (3.95%) Microsoft Certification
4 38 (3.57%) Cisco Certification
5 32 (3.01%) MBA
6 26 (2.44%) CCNP
7 24 (2.26%) MCSE
8 20 (1.88%) RHCE
9 19 (1.79%) RHCSA
10 17 (1.60%) CCNA
11 16 (1.50%) AWS Certification
12 15 (1.41%) ITIL Certification
13 14 (1.32%) MCSA
14 12 (1.13%) RHCA
14 12 (1.13%) Security Cleared
15 11 (1.03%) CISSP
16 10 (0.94%) GIAC
17 9 (0.85%) Numerate Degree
18 8 (0.75%) Linux+ Certification
18 8 (0.75%) MCP
Quality Assurance & Compliance
1 78 (7.33%) QA
2 24 (2.26%) SLA
3 16 (1.50%) PCI DSS
4 8 (0.75%) GDPR
5 7 (0.66%) ISO/IEC 27001
5 7 (0.66%) SEPA
6 5 (0.47%) Sarbanes-Oxley
7 4 (0.38%) PSD2
8 2 (0.19%) Data Quality
8 2 (0.19%) ISO 22301
9 1 (0.094%) Cyber Essentials
9 1 (0.094%) HIPAA
9 1 (0.094%) ISO 8583
System Software
1 204 (19.17%) Docker
2 122 (11.47%) Active Directory
3 100 (9.40%) VMware Infrastructure
4 29 (2.73%) XenApp
5 20 (1.88%) VMware ESXi
5 20 (1.88%) XenDesktop
6 17 (1.60%) Hyper-V
7 16 (1.50%) Firmware
7 16 (1.50%) vSphere
8 13 (1.22%) Oracle RAC
8 13 (1.22%) VMware NSX
9 7 (0.66%) Virtual Machines
10 6 (0.56%) Microsoft App-V
10 6 (0.56%) NFS
10 6 (0.56%) Samba
11 4 (0.38%) Citrix Presentation Server
11 4 (0.38%) DFS Replication
11 4 (0.38%) Virtual Desktop
12 3 (0.28%) EMC RecoverPoint
12 3 (0.28%) Virtual Servers
Systems Management
1 204 (19.17%) Ansible
2 167 (15.70%) Opscode Chef
3 151 (14.19%) Puppet
4 122 (11.47%) Kubernetes
5 90 (8.46%) Terraform
6 44 (4.14%) SCOM
7 36 (3.38%) Packer
8 34 (3.20%) Nagios
9 33 (3.10%) Grafana
10 30 (2.82%) Docker Swarm
11 29 (2.73%) Salt
12 27 (2.54%) Consul
13 25 (2.35%) SCCM
14 24 (2.26%) Graphite
15 23 (2.16%) Failover Clustering
16 19 (1.79%) ZABBIX
17 17 (1.60%) Opsview
18 13 (1.22%) Data Guard
18 13 (1.22%) Rancher
19 11 (1.03%) Prometheus
Vendors
1 199 (18.70%) Microsoft
2 142 (13.35%) VMware
3 140 (13.16%) Oracle
4 107 (10.06%) Red Hat
5 91 (8.55%) Cisco
6 81 (7.61%) Google
7 47 (4.42%) IBM
8 39 (3.67%) Citrix
9 37 (3.48%) Salesforce.com
10 34 (3.20%) EMC
11 33 (3.10%) Splunk
12 31 (2.91%) HP
13 30 (2.82%) SolarWinds
14 23 (2.16%) CommVault
14 23 (2.16%) Dell
15 20 (1.88%) SAP
16 19 (1.79%) CheckPoint
16 19 (1.79%) NetApp
17 18 (1.69%) AppDynamics
18 15 (1.41%) Veeam