Period
to 14 November 2018

The following table provides summary statistics for permanent job vacancies advertised in the City of 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 14 November 2018 with a comparison to the same period in the previous 2 years.

High Availability
Central London > City of London
6 months to
14 Nov 2018
Same period 2017 Same period 2016
Rank 203 210 184
Rank change year-on-year +7 -26 +10
Permanent jobs citing High Availability 143 119 185
As % of all permanent IT jobs advertised in the City of London 1.28% 1.16% 1.58%
As % of the Processes & Methodologies category 1.39% 1.27% 1.75%
Number of salaries quoted 129 104 176
City of London median annual salary £70,000 £63,750 £55,000
Median salary % change year-on-year +9.80% +15.91% -10.20%
10th Percentile £40,750 £49,250 £40,000
90th Percentile £95,000 £86,250 £93,750
Central London median annual salary £65,000 £62,500 £55,000
% change year-on-year +4.00% +13.64% -10.20%

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 the City of London with a requirement for process or methodology skills.

All Process and Methodology Skills
City of London
Permanent vacancies with a requirement for process or methodology skills 10,253 9,376 10,574
As % of all permanent IT jobs advertised in the City of London 91.61% 91.65% 90.53%
Number of salaries quoted 9,140 8,474 9,637
City of London median annual salary £65,000 £60,000 £60,000
Median salary % change year-on-year +8.33% - +4.35%
10th Percentile £37,000 £36,000 £35,000
90th Percentile £95,000 £93,750 £90,000
Central London median annual salary £62,500 £60,000 £57,500
% change year-on-year +4.17% +4.35% -

High Availability
Job Vacancy Trend in the City of London

Job postings citing High Availability as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for High Availability in the City of London

High Availability
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing High Availability in the City of London.

Salary trend for High Availability in the City of London

High Availability
Salary Histogram in the City of London

The salary distribution of IT jobs citing High Availability in the City of London over the 6 months to 14 November 2018.

Salary histogram for High Availability in the City of London

High Availability
Job Locations in the City of 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 City of London region over the 6 months to 14 November 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
London Bridge - 1 £57,500 -
High Availability
Central London

For the 6 months to 14 November 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 City of London region with a requirement for High Availability.

1 61 (42.66%) Windows
2 56 (39.16%) Linux
3 55 (38.46%) DevOps
4 51 (35.66%) Finance
5 44 (30.77%) Agile Software Development
6 43 (30.07%) Amazon AWS
7 40 (27.97%) PowerShell
8 39 (27.27%) SQL
9 37 (25.87%) Python
10 35 (24.48%) SQL Server
11 32 (22.38%) Docker
12 30 (20.98%) Microsoft
13 29 (20.28%) Java
13 29 (20.28%) Jenkins
13 29 (20.28%) Data Centre
14 28 (19.58%) Disaster Recovery
15 26 (18.18%) Ansible
16 25 (17.48%) Configuration Management
16 25 (17.48%) Terraform
17 24 (16.78%) Git (software)
18 23 (16.08%) Kubernetes
18 23 (16.08%) Windows Server
19 22 (15.38%) C#
20 21 (14.69%) T-SQL
20 21 (14.69%) Continuous Integration
21 20 (13.99%) Bash Shell
21 20 (13.99%) Opscode Chef
21 20 (13.99%) TDD
22 19 (13.29%) Microsoft Azure
22 19 (13.29%) Puppet

High Availability
Co-occurring IT Skills in the City of 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 7 (4.90%) Apache
2 4 (2.80%) Apache Spark
3 3 (2.10%) Confluence
3 3 (2.10%) Elasticsearch
3 3 (2.10%) IIS
3 3 (2.10%) Skype for Business
4 2 (1.40%) MS Exchange
4 2 (1.40%) OpenStack
4 2 (1.40%) Tomcat
4 2 (1.40%) WebSphere
5 1 (0.70%) Drupal
5 1 (0.70%) EPiServer
5 1 (0.70%) nginx
5 1 (0.70%) Oracle Application Server
5 1 (0.70%) Umbraco
Applications
1 3 (2.10%) Microsoft Excel
2 2 (1.40%) MS Visio
3 1 (0.70%) Chatbot
Business Applications
1 3 (2.10%) MetaTrader
2 1 (0.70%) Dynamics CRM
2 1 (0.70%) Magento
2 1 (0.70%) NetSuite
2 1 (0.70%) PlanetPress Connect
2 1 (0.70%) Sage 50
Cloud Services
1 43 (30.07%) Amazon AWS
2 19 (13.29%) Microsoft Azure
3 14 (9.79%) Amazon EC2
4 12 (8.39%) GitHub
5 8 (5.59%) AWS CloudFormation
5 8 (5.59%) Google Cloud Platform
6 7 (4.90%) Amazon S3
7 6 (4.20%) Virtual Private Cloud
8 4 (2.80%) IaaS
8 4 (2.80%) Office 365
8 4 (2.80%) SaaS
8 4 (2.80%) Serverless
9 3 (2.10%) Amazon ELB
9 3 (2.10%) AWS Elastic Beanstalk
9 3 (2.10%) AWS Lambda
9 3 (2.10%) Route 53
10 2 (1.40%) Azure Active Directory
10 2 (1.40%) Cloudflare
11 1 (0.70%) Azure Data Factory
11 1 (0.70%) Slack
Communications & Networking
1 12 (8.39%) Firewall
2 7 (4.90%) VPN
3 6 (4.20%) DNS
3 6 (4.20%) LAN
3 6 (4.20%) TCP/IP
3 6 (4.20%) VoIP
3 6 (4.20%) WAN
4 5 (3.50%) SAN
5 4 (2.80%) Unified Communications
5 4 (2.80%) Wireless
6 3 (2.10%) BGP
6 3 (2.10%) Cisco ASA
6 3 (2.10%) DHCP
6 3 (2.10%) Internet
6 3 (2.10%) IPsec
6 3 (2.10%) iSCSI
6 3 (2.10%) MPLS
6 3 (2.10%) Network Security
6 3 (2.10%) SNMP
6 3 (2.10%) Telepresence
Database & Business Intelligence
1 35 (24.48%) SQL Server
2 16 (11.19%) Relational Database
2 16 (11.19%) SQL Server Integration Services
3 14 (9.79%) SQL Server 2016
4 13 (9.09%) SQL Server Analysis Services
5 12 (8.39%) RDBMS
5 12 (8.39%) SQL Server Reporting Services
6 9 (6.29%) Data Warehouse
6 9 (6.29%) MySQL
7 7 (4.90%) Amazon DynamoDB
7 7 (4.90%) Amazon RDS
7 7 (4.90%) SQL Server 2014
8 6 (4.20%) NoSQL
8 6 (4.20%) PostgreSQL
8 6 (4.20%) Power BI
9 5 (3.50%) MongoDB
10 4 (2.80%) Apache Cassandra
10 4 (2.80%) Big Data
10 4 (2.80%) Hadoop
10 4 (2.80%) SQL Server 2008
Development Applications
1 29 (20.28%) Jenkins
2 24 (16.78%) Git (software)
3 11 (7.69%) TeamCity
4 10 (6.99%) Subversion
5 8 (5.59%) Maven
5 8 (5.59%) Octopus Deploy
6 7 (4.90%) GitLab
6 7 (4.90%) Gradle
6 7 (4.90%) JIRA
7 6 (4.20%) Cucumber
8 4 (2.80%) CircleCI
8 4 (2.80%) git-flow
8 4 (2.80%) Travis CI
8 4 (2.80%) Visual Studio
9 3 (2.10%) Selenium
9 3 (2.10%) WebDriver
10 2 (1.40%) Bitbucket
10 2 (1.40%) Capybara
11 1 (0.70%) Jasmine
11 1 (0.70%) SpecFlow
General
1 51 (35.66%) Finance
2 10 (6.99%) Banking
3 7 (4.90%) Law
4 4 (2.80%) Financial Institution
4 4 (2.80%) Front Office
4 4 (2.80%) Investment Banking
5 3 (2.10%) Billing
5 3 (2.10%) Marketing
6 2 (1.40%) Automotive
6 2 (1.40%) Retail
7 1 (0.70%) Games
7 1 (0.70%) Legal
7 1 (0.70%) Manufacturing
7 1 (0.70%) Pharmaceutical
Job Titles
1 30 (20.98%) Developer
2 27 (18.88%) DevOps Engineer
3 25 (17.48%) DBA
4 21 (14.69%) SQL DBA
5 15 (10.49%) SQL Server DBA
6 14 (9.79%) Administrator
7 13 (9.09%) Senior DevOps
8 12 (8.39%) Linux/Unix DevOps
8 12 (8.39%) Senior DevOps Engineer
9 11 (7.69%) Lead DevOps
9 11 (7.69%) Linux Engineer
10 10 (6.99%) SQL Developer
11 8 (5.59%) Java Developer
11 8 (5.59%) Linux DevOps Engineer
11 8 (5.59%) Senior Linux Engineer
12 6 (4.20%) DevOps Manager
12 6 (4.20%) Infrastructure Engineer
12 6 (4.20%) Junior
12 6 (4.20%) Operations Engineer
12 6 (4.20%) Systems Administrator
Libraries, Frameworks & Software Standards
1 15 (10.49%) .NET
2 13 (9.09%) Kafka
2 13 (9.09%) Web Services
3 12 (8.39%) Node.js
4 8 (5.59%) RabbitMQ
5 7 (4.90%) ActiveMQ
5 7 (4.90%) Spring
6 5 (3.50%) AngularJS
6 5 (3.50%) CSS
6 5 (3.50%) Express
6 5 (3.50%) HTML
7 4 (2.80%) RESTful
8 3 (2.10%) .NET Framework
8 3 (2.10%) 802.1X
8 3 (2.10%) jQuery
8 3 (2.10%) LAMP
8 3 (2.10%) MDX
9 2 (1.40%) JSON
9 2 (1.40%) Middleware
9 2 (1.40%) Velocity
Miscellaneous
1 29 (20.28%) Data Centre
2 17 (11.89%) Fintech
3 16 (11.19%) Replication
4 12 (8.39%) Clustering
5 10 (6.99%) Hybrid Cloud
6 7 (4.90%) Analytical Skills
6 7 (4.90%) Hedge funds
7 6 (4.20%) User Experience
8 5 (3.50%) Computer Science
8 5 (3.50%) Mobile App
9 3 (2.10%) Foreign Exchange (FX)
9 3 (2.10%) Reinsurance
9 3 (2.10%) Self-Motivation
9 3 (2.10%) Video Conferencing
10 2 (1.40%) Algorithms
10 2 (1.40%) Data Structures
10 2 (1.40%) Enterprise Software
10 2 (1.40%) HP StoreVirtual
10 2 (1.40%) Linux Command Line
10 2 (1.40%) Video\Live Streaming
Operating Systems
1 61 (42.66%) Windows
2 56 (39.16%) Linux
3 23 (16.08%) Windows Server
4 4 (2.80%) Windows Server 2012
5 3 (2.10%) CentOS
5 3 (2.10%) Unix
6 2 (1.40%) Android
6 2 (1.40%) Apple iOS
6 2 (1.40%) Debian
7 1 (0.70%) Red Hat Enterprise Linux
Processes & Methodologies
1 55 (38.46%) DevOps
2 44 (30.77%) Agile Software Development
3 28 (19.58%) Disaster Recovery
4 25 (17.48%) Configuration Management
5 21 (14.69%) Continuous Integration
6 20 (13.99%) TDD
7 19 (13.29%) Problem-Solving
8 18 (12.59%) BDD
8 18 (12.59%) Open Source
8 18 (12.59%) Performance Tuning
9 17 (11.89%) Scrum
10 15 (10.49%) Business Intelligence
10 15 (10.49%) Deployment Automation
11 14 (9.79%) Continuous Delivery
12 13 (9.09%) Microservices
12 13 (9.09%) Test Automation
13 12 (8.39%) Event-Driven Architecture
13 12 (8.39%) Software Engineering
14 11 (7.69%) Low Latency
14 11 (7.69%) Migration
Programming Languages
1 40 (27.97%) PowerShell
2 39 (27.27%) SQL
3 37 (25.87%) Python
4 29 (20.28%) Java
5 22 (15.38%) C#
6 21 (14.69%) T-SQL
7 20 (13.99%) Bash Shell
8 14 (9.79%) Ruby
9 13 (9.09%) JavaScript
10 9 (6.29%) Scala
11 7 (4.90%) Go
11 7 (4.90%) Java 8
12 5 (3.50%) C++
13 4 (2.80%) Groovy
14 3 (2.10%) Data Analysis Expressions (DAX)
14 3 (2.10%) ES6
14 3 (2.10%) Perl
14 3 (2.10%) Shell Script
15 2 (1.40%) C
16 1 (0.70%) PHP
Qualifications
1 16 (11.19%) Degree
2 7 (4.90%) Cisco Certification
3 6 (4.20%) Microsoft Certification
4 5 (3.50%) CCNP
5 3 (2.10%) AWS Certification
5 3 (2.10%) CCIE
5 3 (2.10%) CCNA
5 3 (2.10%) Computer Science Degree
6 2 (1.40%) Linux+ Certification
6 2 (1.40%) MCP
6 2 (1.40%) MCSA
6 2 (1.40%) MCSD
6 2 (1.40%) MCSE
6 2 (1.40%) OCP
6 2 (1.40%) Oracle Certification
6 2 (1.40%) RHCA
6 2 (1.40%) RHCSA
7 1 (0.70%) CISSP
7 1 (0.70%) MCITP
7 1 (0.70%) Microsoft Certified Architect
Quality Assurance & Compliance
1 5 (3.50%) QA
2 4 (2.80%) SLA
3 3 (2.10%) GDPR
3 3 (2.10%) ISO/IEC 27001
4 1 (0.70%) ISO 8583
4 1 (0.70%) PCI DSS
4 1 (0.70%) SEPA
System Software
1 32 (22.38%) Docker
2 17 (11.89%) Active Directory
3 14 (9.79%) VMware Infrastructure
4 5 (3.50%) VMware ESXi
5 3 (2.10%) KVM
5 3 (2.10%) vSphere
5 3 (2.10%) Xen
6 2 (1.40%) Virtual Machines
7 1 (0.70%) Microsoft Virtual Server
7 1 (0.70%) NFS
7 1 (0.70%) Oracle RAC
7 1 (0.70%) PowerDNS
7 1 (0.70%) QEMU
7 1 (0.70%) Virtual Servers
Systems Management
1 26 (18.18%) Ansible
2 25 (17.48%) Terraform
3 23 (16.08%) Kubernetes
4 20 (13.99%) Opscode Chef
5 19 (13.29%) Puppet
6 6 (4.20%) Nagios
7 5 (3.50%) vCenter Server
8 4 (2.80%) Mesos
8 4 (2.80%) Rancher
9 3 (2.10%) Cisco CUCM
10 2 (1.40%) Backup Exec
10 2 (1.40%) Docker Swarm
10 2 (1.40%) Failover Clustering
10 2 (1.40%) Grafana
10 2 (1.40%) Prometheus
10 2 (1.40%) Red Hat Spacewalk
10 2 (1.40%) SCOM
11 1 (0.70%) Cacti
11 1 (0.70%) Data Guard
11 1 (0.70%) WSUS
Vendors
1 30 (20.98%) Microsoft
2 17 (11.89%) VMware
3 12 (8.39%) Cisco
4 11 (7.69%) Splunk
5 8 (5.59%) Sun
6 7 (4.90%) Google
7 6 (4.20%) Oracle
7 6 (4.20%) Red Hat
7 6 (4.20%) SolarWinds
8 4 (2.80%) HP
9 3 (2.10%) BT
9 3 (2.10%) Palo Alto
10 2 (1.40%) AppDynamics
10 2 (1.40%) Cloudera
10 2 (1.40%) Hortonworks
10 2 (1.40%) MapR
10 2 (1.40%) New Relic
10 2 (1.40%) SaltStack
10 2 (1.40%) SAP
10 2 (1.40%) Verint