Period
to 22 July 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 22 July 2018 with a comparison to the same period in the previous 2 years.

High Availability
England > London
6 months to
22 Jul 2018
Same period 2017 Same period 2016
Rank 230 212 191
Rank change year-on-year -18 -21 -33
Permanent jobs citing High Availability 1,119 1,267 1,551
As % of all permanent IT jobs advertised in London 1.58% 1.72% 1.87%
As % of the Processes & Methodologies category 1.73% 1.87% 2.05%
Number of salaries quoted 926 1,002 1,288
London median annual salary £62,500 £60,000 £62,500
Median salary % change year-on-year +4.17% -4.00% +4.17%
10th Percentile £41,250 £36,325 £42,500
90th Percentile £93,750 £87,500 £86,250
England median annual salary £55,000 £52,500 £55,000
% change year-on-year +4.76% -4.55% +10.00%

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 64,543 67,788 75,615
As % of all permanent IT jobs advertised in London 91.35% 91.80% 91.40%
Number of salaries quoted 51,638 53,707 65,199
London median annual salary £60,000 £60,000 £57,500
Median salary % change year-on-year - +4.35% +4.55%
10th Percentile £35,000 £35,000 £33,250
90th Percentile £95,000 £90,000 £87,500
England median annual salary £50,000 £50,000 £50,000

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 22 July 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 22 July 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 -52 157 £65,000 +4.00% 48
West London +48 122 £55,000 - 29
East London -3 19 £52,500 -25.00% 4
South London -14 13 £55,000 +37.50% 2
North London +12 10 £75,000 +36.36%
High Availability
England

For the 6 months to 22 July 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.

1 391 (34.94%) Linux
2 376 (33.60%) Agile Software Development
3 361 (32.26%) SQL Server
4 353 (31.55%) SQL
5 335 (29.94%) DevOps
6 299 (26.72%) Java
7 296 (26.45%) Amazon AWS
8 286 (25.56%) Python
9 285 (25.47%) Finance
10 256 (22.88%) Windows
11 233 (20.82%) Docker
12 229 (20.46%) Microsoft Azure
13 203 (18.14%) Ansible
14 199 (17.78%) Opscode Chef
15 182 (16.26%) .NET
16 179 (16.00%) Jenkins
17 176 (15.73%) Problem-Solving
18 166 (14.83%) JavaScript
19 161 (14.39%) Microsoft
20 160 (14.30%) Banking
21 158 (14.12%) C#
21 158 (14.12%) Disaster Recovery
21 158 (14.12%) Puppet
22 155 (13.85%) Firewall
23 150 (13.40%) Web Services
24 146 (13.05%) Continuous Integration
24 146 (13.05%) Microservices
25 144 (12.87%) Git (software)
26 142 (12.69%) Configuration Management
27 139 (12.42%) NoSQL

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 59 (5.27%) Apache
2 46 (4.11%) IIS
3 39 (3.49%) Confluence
4 38 (3.40%) Tomcat
5 34 (3.04%) Elasticsearch
6 28 (2.50%) nginx
7 26 (2.32%) OpenStack
8 24 (2.14%) SharePoint
8 24 (2.14%) WebSphere
9 19 (1.70%) Apache Spark
10 18 (1.61%) MS Exchange
11 15 (1.34%) CMS
11 15 (1.34%) Exchange Server 2013
11 15 (1.34%) Skype for Business
11 15 (1.34%) WebLogic
12 14 (1.25%) Exchange Server 2010
13 13 (1.16%) JBoss
14 12 (1.07%) Jetty
14 12 (1.07%) SharePoint 2013
15 8 (0.71%) Oracle SOA Suite
Applications
1 15 (1.34%) Microsoft Office
2 11 (0.98%) Microsoft PowerPoint
3 4 (0.36%) Chatbot
4 3 (0.27%) Microsoft Excel
4 3 (0.27%) MS Visio
5 2 (0.18%) SPSS
6 1 (0.089%) Fireworks
6 1 (0.089%) InVision
6 1 (0.089%) Photoshop
Business Applications
1 7 (0.63%) Salesforce.com CRM
2 5 (0.45%) Documaker
2 5 (0.45%) Dynamics CRM
3 4 (0.36%) Dynamics AX
3 4 (0.36%) Dynamics NAV
4 2 (0.18%) NetSuite
5 1 (0.089%) Finacle
5 1 (0.089%) Magento
Cloud Services
1 296 (26.45%) Amazon AWS
2 229 (20.46%) Microsoft Azure
3 74 (6.61%) SaaS
4 66 (5.90%) Cloud Computing
5 63 (5.63%) IaaS
6 54 (4.83%) PaaS
7 44 (3.93%) AWS CloudFormation
8 39 (3.49%) Office 365
9 37 (3.31%) Amazon EC2
10 33 (2.95%) Google Cloud Platform
11 32 (2.86%) GitHub
12 29 (2.59%) Serverless
13 26 (2.32%) Route 53
14 25 (2.23%) Azure Active Directory
15 24 (2.14%) Amazon ElastiCache
16 21 (1.88%) AWS Lambda
16 21 (1.88%) Virtual Private Cloud
17 19 (1.70%) Amazon S3
18 16 (1.43%) CloudFront
19 15 (1.34%) Amazon ELB
Communications & Networking
1 155 (13.85%) Firewall
2 95 (8.49%) VPN
3 78 (6.97%) DNS
4 69 (6.17%) TCP/IP
5 58 (5.18%) HTTP
5 58 (5.18%) WAN
6 56 (5.00%) SAN
7 50 (4.47%) MPLS
8 47 (4.20%) BGP
9 45 (4.02%) Internet
9 45 (4.02%) LAN
10 43 (3.84%) OSPF
11 40 (3.57%) Cisco Nexus
12 34 (3.04%) Network Security
13 33 (2.95%) NAS
14 31 (2.77%) SNMP
15 29 (2.59%) DHCP
15 29 (2.59%) Ethernet
16 26 (2.32%) Wireless
17 24 (2.14%) VoIP
Database & Business Intelligence
1 361 (32.26%) SQL Server
2 139 (12.42%) NoSQL
3 129 (11.53%) SQL Server Integration Services
4 105 (9.38%) SQL Server Reporting Services
5 102 (9.12%) Relational Database
6 101 (9.03%) Big Data
7 85 (7.60%) SQL Server Analysis Services
8 83 (7.42%) PostgreSQL
9 79 (7.06%) Data Warehouse
10 74 (6.61%) MySQL
11 68 (6.08%) MongoDB
12 65 (5.81%) Oracle Database
13 59 (5.27%) SQL Server 2016
14 52 (4.65%) Redis
15 43 (3.84%) Event Store
16 39 (3.49%) SQL Server 2014
17 36 (3.22%) RDBMS
18 34 (3.04%) Amazon RDS
19 27 (2.41%) SQL Server 2008
20 23 (2.06%) Hadoop
Development Applications
1 179 (16.00%) Jenkins
2 144 (12.87%) Git (software)
3 71 (6.34%) Atlassian Bamboo
3 71 (6.34%) Subversion
4 68 (6.08%) TeamCity
5 64 (5.72%) Octopus Deploy
6 62 (5.54%) JIRA
7 55 (4.92%) Team Foundation Server
8 53 (4.74%) Maven
9 52 (4.65%) Vagrant
10 33 (2.95%) Hudson
11 24 (2.14%) Gradle
11 24 (2.14%) gulp
12 18 (1.61%) Ant
13 17 (1.52%) NUnit
13 17 (1.52%) Selenium
14 16 (1.43%) Rhino Mocks
15 15 (1.34%) Cucumber
15 15 (1.34%) JUnit
16 14 (1.25%) WebDriver
General
1 285 (25.47%) Finance
2 160 (14.30%) Banking
3 72 (6.43%) Investment Banking
4 59 (5.27%) Financial Institution
5 53 (4.74%) Retail
6 48 (4.29%) Telecoms
7 39 (3.49%) Games
8 32 (2.86%) Law
9 30 (2.68%) Music Industry
10 23 (2.06%) Marketing
11 18 (1.61%) Multimedia
12 15 (1.34%) Front Office
13 13 (1.16%) Publishing
14 10 (0.89%) Back Office
15 8 (0.71%) Advertising
15 8 (0.71%) Legal
16 5 (0.45%) Online Betting
16 5 (0.45%) Pharmaceutical
17 4 (0.36%) Electronics
17 4 (0.36%) Manufacturing
Job Titles
1 297 (26.54%) Developer
2 164 (14.66%) DBA
3 156 (13.94%) Administrator
4 119 (10.63%) DevOps Engineer
5 114 (10.19%) SQL DBA
6 92 (8.22%) Java Developer
7 79 (7.06%) Architect
8 64 (5.72%) SQL Developer
9 62 (5.54%) SQL Server DBA
10 59 (5.27%) Senior DBA
11 55 (4.92%) Senior Developer
11 55 (4.92%) Systems Administrator
12 52 (4.65%) AWS DevOps
13 47 (4.20%) SQL Server Developer
14 46 (4.11%) SSIS Developer
14 46 (4.11%) SSRS Developer
15 45 (4.02%) .NET Developer
15 45 (4.02%) SSAS Developer
16 44 (3.93%) C# Developer
17 43 (3.84%) Linux Engineer
Libraries, Frameworks & Software Standards
1 182 (16.26%) .NET
2 150 (13.40%) Web Services
3 114 (10.19%) RESTful
4 96 (8.58%) HTML
5 94 (8.40%) XML
6 86 (7.69%) Spring
7 84 (7.51%) .NET Framework
8 73 (6.52%) React
9 72 (6.43%) REST
10 71 (6.34%) Node.js
11 68 (6.08%) ASP.NET
12 67 (5.99%) CSS
13 58 (5.18%) AngularJS
14 56 (5.00%) Entity Framework
15 52 (4.65%) Kafka
16 44 (3.93%) Middleware
17 42 (3.75%) ASP.NET Web API
18 40 (3.57%) ASP.NET MVC
19 39 (3.49%) Hibernate
20 37 (3.31%) Java EE
Miscellaneous
1 130 (11.62%) Fintech
2 127 (11.35%) Clustering
3 119 (10.63%) Replication
4 118 (10.55%) Analytical Skills
5 108 (9.65%) Data Centre
6 71 (6.34%) Greenfield Project
7 60 (5.36%) Algorithms
8 54 (4.83%) Cyberthreat
8 54 (4.83%) Public Cloud
9 51 (4.56%) Self-Motivation
10 49 (4.38%) Computer Science
11 40 (3.57%) Enterprise Software
12 38 (3.40%) Management Information System
13 37 (3.31%) User Experience
14 22 (1.97%) Hedge funds
15 17 (1.52%) Distributed Denial-of-Service
16 16 (1.43%) Equities
16 16 (1.43%) Mobile App
17 15 (1.34%) Fixed Income
17 15 (1.34%) Hybrid Cloud
Operating Systems
1 391 (34.94%) Linux
2 256 (22.88%) Windows
3 119 (10.63%) Unix
4 101 (9.03%) Windows Server
5 88 (7.86%) Red Hat Enterprise Linux
6 63 (5.63%) CentOS
7 43 (3.84%) Windows Server 2008
7 43 (3.84%) Windows Server 2012
8 26 (2.32%) Solaris
9 23 (2.06%) Ubuntu
10 13 (1.16%) Debian
10 13 (1.16%) Windows 10
11 12 (1.07%) Android
12 9 (0.80%) Apple iOS
12 9 (0.80%) Fedora
13 8 (0.71%) Oracle Linux
14 6 (0.54%) Windows 7
14 6 (0.54%) Windows 8
15 4 (0.36%) SUSE
15 4 (0.36%) VMS
Processes & Methodologies
1 376 (33.60%) Agile Software Development
2 335 (29.94%) DevOps
3 176 (15.73%) Problem-Solving
4 158 (14.12%) Disaster Recovery
5 146 (13.05%) Continuous Integration
5 146 (13.05%) Microservices
6 142 (12.69%) Configuration Management
7 137 (12.24%) Low Latency
8 134 (11.97%) TDD
9 127 (11.35%) Migration
10 104 (9.29%) Software Engineering
11 92 (8.22%) Business Intelligence
11 92 (8.22%) Scrum
11 92 (8.22%) SDLC
12 91 (8.13%) Test Automation
13 88 (7.86%) Performance Tuning
14 87 (7.77%) Open Source
15 86 (7.69%) Capacity Planning
15 86 (7.69%) ITIL
16 75 (6.70%) Change Management
Programming Languages
1 353 (31.55%) SQL
2 299 (26.72%) Java
3 286 (25.56%) Python
4 166 (14.83%) JavaScript
5 158 (14.12%) C#
6 119 (10.63%) PowerShell
7 107 (9.56%) T-SQL
8 101 (9.03%) Bash Shell
9 95 (8.49%) Ruby
10 80 (7.15%) Perl
11 64 (5.72%) Java 8
12 55 (4.92%) Shell Script
13 49 (4.38%) C++
13 49 (4.38%) Go
14 34 (3.04%) Scala
15 29 (2.59%) F#
16 28 (2.50%) C
17 27 (2.41%) PHP
18 18 (1.61%) Groovy
18 18 (1.61%) Korn
Qualifications
1 115 (10.28%) Degree
2 30 (2.68%) Microsoft Certification
3 29 (2.59%) Cisco Certification
4 26 (2.32%) CCNP
5 25 (2.23%) Computer Science Degree
6 17 (1.52%) RHCE
7 16 (1.43%) MCSE
8 13 (1.16%) CCIE
8 13 (1.16%) MCSA
8 13 (1.16%) RHCSA
9 12 (1.07%) MCP
10 11 (0.98%) Numerate Degree
11 9 (0.80%) AWS Certification
11 9 (0.80%) CISSP
11 9 (0.80%) RHCA
12 8 (0.71%) SANS
13 7 (0.63%) ITIL Certification
13 7 (0.63%) PMP
13 7 (0.63%) Sun Certification
13 7 (0.63%) TOGAF Certification
Quality Assurance & Compliance
1 84 (7.51%) QA
2 32 (2.86%) SLA
3 13 (1.16%) PCI DSS
4 12 (1.07%) PSD2
5 10 (0.89%) GCP
6 9 (0.80%) MiFID
7 5 (0.45%) Data Quality
7 5 (0.45%) ISO/IEC 27001
8 2 (0.18%) GDPR
8 2 (0.18%) ISO/IEC 20000
9 1 (0.089%) Cyber Essentials
9 1 (0.089%) PMO
9 1 (0.089%) Sarbanes-Oxley
System Software
1 233 (20.82%) Docker
2 116 (10.37%) Active Directory
3 103 (9.20%) VMware Infrastructure
4 45 (4.02%) Hyper-V
5 25 (2.23%) KVM
6 17 (1.52%) Firmware
7 16 (1.43%) Oracle RAC
8 13 (1.16%) VMware ESXi
9 12 (1.07%) Virtual Machines
10 9 (0.80%) vSphere
11 8 (0.71%) HDFS
11 8 (0.71%) Xen
12 7 (0.63%) Samba
12 7 (0.63%) VirtualBox
13 6 (0.54%) XenApp
14 5 (0.45%) iptables
14 5 (0.45%) Virtual Servers
14 5 (0.45%) XenDesktop
15 4 (0.36%) Microsoft App-V
15 4 (0.36%) QEMU
Systems Management
1 203 (18.14%) Ansible
2 199 (17.78%) Opscode Chef
3 158 (14.12%) Puppet
4 99 (8.85%) Kubernetes
5 88 (7.86%) Terraform
6 47 (4.20%) Salt
7 43 (3.84%) Nagios
8 40 (3.57%) Packer
9 38 (3.40%) Failover Clustering
10 35 (3.13%) Docker Swarm
11 31 (2.77%) Consul
12 29 (2.59%) SCOM
13 23 (2.06%) Kibana
14 22 (1.97%) Grafana
15 20 (1.79%) logstash
16 17 (1.52%) ZABBIX
17 16 (1.43%) Microsoft Clustering
18 15 (1.34%) Graphite
18 15 (1.34%) Mesos
19 14 (1.25%) Opsview
Vendors
1 161 (14.39%) Microsoft
2 133 (11.89%) VMware
3 110 (9.83%) Cisco
4 107 (9.56%) Oracle
5 103 (9.20%) Red Hat
6 42 (3.75%) Google
7 39 (3.49%) IBM
8 36 (3.22%) Citrix
9 33 (2.95%) Splunk
10 32 (2.86%) HP
10 32 (2.86%) Juniper
11 31 (2.77%) Palo Alto
12 28 (2.50%) SAP
13 21 (1.88%) Salesforce.com
13 21 (1.88%) SaltStack
14 20 (1.79%) Veeam
15 19 (1.70%) Tableau
16 18 (1.61%) F5
16 18 (1.61%) Sun
17 17 (1.52%) Fortinet