Period
to 22 January 2019

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 22 January 2019 with a comparison to the same period in the previous 2 years.

High Availability
Central London > City of London
6 months to
22 Jan 2019
Same period 2018 Same period 2017
Rank 215 199 199
Rank change year-on-year -16 0 -31
Permanent jobs citing High Availability 121 135 139
As % of all permanent IT jobs advertised in the City of London 1.17% 1.29% 1.32%
As % of the Processes & Methodologies category 1.28% 1.38% 1.46%
Number of salaries quoted 108 126 130
City of London median annual salary £75,000 £65,000 £62,500
Median salary % change year-on-year +15.38% +4.00% -3.85%
10th Percentile £44,250 £49,000 £44,750
90th Percentile £107,875 £84,375 £111,375
Central London median annual salary £75,000 £62,500 £60,000
% change year-on-year +20.00% +4.17% -5.51%

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 9,474 9,750 9,552
As % of all permanent IT jobs advertised in the City of London 91.87% 93.15% 90.85%
Number of salaries quoted 8,423 8,693 8,702
City of London median annual salary £65,000 £60,000 £60,000
Median salary % change year-on-year +8.33% - +4.35%
10th Percentile £36,800 £36,250 £35,000
90th Percentile £95,000 £95,000 £92,500
Central London median annual salary £65,000 £60,000 £57,500
% change year-on-year +8.33% +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 22 January 2019.

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 22 January 2019. 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 22 January 2019, 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 56 (46.28%) Amazon AWS
2 50 (41.32%) DevOps
3 45 (37.19%) Agile Software Development
4 40 (33.06%) Windows
5 39 (32.23%) Linux
6 36 (29.75%) Python
7 35 (28.93%) Docker
8 34 (28.10%) Java
9 32 (26.45%) Microsoft Azure
10 30 (24.79%) Jenkins
10 30 (24.79%) Finance
11 29 (23.97%) Terraform
12 26 (21.49%) Kubernetes
12 26 (21.49%) PowerShell
13 24 (19.83%) SQL
13 24 (19.83%) Git (software)
14 23 (19.01%) BDD
14 23 (19.01%) Ansible
14 23 (19.01%) Data Centre
15 22 (18.18%) TDD
16 21 (17.36%) C#
16 21 (17.36%) Disaster Recovery
16 21 (17.36%) Bash Shell
17 20 (16.53%) Puppet
17 20 (16.53%) Fintech
18 19 (15.70%) Scala
18 19 (15.70%) Relational Database
19 18 (14.88%) Microsoft
19 18 (14.88%) Ruby
20 17 (14.05%) .NET

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 (5.79%) Elasticsearch
2 5 (4.13%) IIS
3 4 (3.31%) Apache
4 2 (1.65%) Apache Spark
4 2 (1.65%) MS Exchange
4 2 (1.65%) Skype for Business
5 1 (0.83%) EPiServer
5 1 (0.83%) Oracle Application Server
5 1 (0.83%) Umbraco
Business Applications
1 5 (4.13%) MetaTrader
2 1 (0.83%) Dynamics CRM
2 1 (0.83%) PlanetPress Connect
2 1 (0.83%) Sage 50
Cloud Services
1 56 (46.28%) Amazon AWS
2 32 (26.45%) Microsoft Azure
3 15 (12.40%) Google Cloud Platform
4 11 (9.09%) Amazon EC2
5 9 (7.44%) GitHub
6 8 (6.61%) AWS CloudFormation
7 6 (4.96%) Office 365
8 4 (3.31%) Amazon S3
8 4 (3.31%) IaaS
8 4 (3.31%) SaaS
8 4 (3.31%) Virtual Private Cloud
9 3 (2.48%) Amazon ELB
9 3 (2.48%) AWS Elastic Beanstalk
9 3 (2.48%) Azure Active Directory
9 3 (2.48%) Route 53
10 1 (0.83%) Amazon Kinesis
10 1 (0.83%) AWS Lambda
10 1 (0.83%) PaaS
10 1 (0.83%) Serverless
Communications & Networking
1 14 (11.57%) Firewall
2 9 (7.44%) Network Security
3 7 (5.79%) LAN
3 7 (5.79%) VPN
3 7 (5.79%) WAN
4 6 (4.96%) Internet
4 6 (4.96%) NetScaler
5 5 (4.13%) MPLS
5 5 (4.13%) SAN
6 4 (3.31%) DNS
7 3 (2.48%) DHCP
7 3 (2.48%) TCP/IP
7 3 (2.48%) Telepresence
7 3 (2.48%) Unified Communications
7 3 (2.48%) VLAN
7 3 (2.48%) VoIP
7 3 (2.48%) Wireless
8 2 (1.65%) iSCSI
8 2 (1.65%) Skype
8 2 (1.65%) WebEx
Database & Business Intelligence
1 19 (15.70%) Relational Database
2 15 (12.40%) RDBMS
2 15 (12.40%) SQL Server
3 10 (8.26%) NoSQL
4 9 (7.44%) Big Data
5 7 (5.79%) Amazon Redshift
5 7 (5.79%) MongoDB
5 7 (5.79%) MySQL
6 6 (4.96%) PostgreSQL
7 5 (4.13%) Amazon DynamoDB
8 4 (3.31%) Amazon RDS
8 4 (3.31%) Data Warehouse
8 4 (3.31%) SQL Server 2008
9 3 (2.48%) Apache Cassandra
9 3 (2.48%) SQL Server 2016
9 3 (2.48%) SQL Server Integration Services
9 3 (2.48%) SQL Server Reporting Services
10 2 (1.65%) InfluxDB
10 2 (1.65%) OpenTSDB
10 2 (1.65%) SAP HANA
Development Applications
1 30 (24.79%) Jenkins
2 24 (19.83%) Git (software)
3 12 (9.92%) CircleCI
3 12 (9.92%) Cucumber
3 12 (9.92%) git-flow
3 12 (9.92%) Travis CI
4 10 (8.26%) TeamCity
5 8 (6.61%) GitLab
5 8 (6.61%) Octopus Deploy
6 6 (4.96%) Maven
7 5 (4.13%) Gradle
8 3 (2.48%) JIRA
9 1 (0.83%) Atlassian Bamboo
9 1 (0.83%) Bitbucket
9 1 (0.83%) NUnit
9 1 (0.83%) SpecFlow
9 1 (0.83%) SQL Server Management Studio (SSMS)
9 1 (0.83%) Subversion
General
1 30 (24.79%) Finance
2 8 (6.61%) Front Office
2 8 (6.61%) Law
3 5 (4.13%) Banking
4 4 (3.31%) Financial Institution
5 2 (1.65%) Automotive
5 2 (1.65%) Billing
5 2 (1.65%) Investment Banking
6 1 (0.83%) Legal
6 1 (0.83%) Manufacturing
6 1 (0.83%) Marketing
Job Titles
1 29 (23.97%) DevOps Engineer
2 20 (16.53%) Developer
3 13 (10.74%) DBA
4 12 (9.92%) Platform Engineer
4 12 (9.92%) Senior DevOps
5 11 (9.09%) Administrator
5 11 (9.09%) Senior DevOps Engineer
5 11 (9.09%) SQL DBA
6 10 (8.26%) Linux/Unix DevOps
7 8 (6.61%) Lead Developer
7 8 (6.61%) Linux Engineer
7 8 (6.61%) Senior Linux Engineer
7 8 (6.61%) SQL Server DBA
8 7 (5.79%) Java Developer
8 7 (5.79%) Linux DevOps Engineer
9 6 (4.96%) Analyst
9 6 (4.96%) Consultant
9 6 (4.96%) Infrastructure Engineer
9 6 (4.96%) Lead DevOps
10 5 (4.13%) .NET Developer
Libraries, Frameworks & Software Standards
1 17 (14.05%) .NET
2 16 (13.22%) Node.js
2 16 (13.22%) Spring
3 13 (10.74%) Kafka
4 12 (9.92%) Express
5 11 (9.09%) Web Services
6 8 (6.61%) RabbitMQ
7 5 (4.13%) ActiveMQ
8 3 (2.48%) RESTful
9 2 (1.65%) AngularJS
9 2 (1.65%) Apache Camel
9 2 (1.65%) Hibernate
9 2 (1.65%) Middleware
9 2 (1.65%) OSGi
9 2 (1.65%) SOAP
9 2 (1.65%) Spring Cloud
9 2 (1.65%) XMPP
10 1 (0.83%) ASP.NET
10 1 (0.83%) CSS
10 1 (0.83%) LAMP
Miscellaneous
1 23 (19.01%) Data Centre
2 20 (16.53%) Fintech
3 14 (11.57%) User Experience
4 10 (8.26%) Hybrid Cloud
5 9 (7.44%) Clustering
5 9 (7.44%) Foreign Exchange (FX)
6 8 (6.61%) Mobile App
7 7 (5.79%) Replication
8 5 (4.13%) Hedge funds
9 3 (2.48%) Analytical Skills
9 3 (2.48%) Enterprise Software
9 3 (2.48%) Self-Motivation
10 2 (1.65%) Enterprise Cloud
10 2 (1.65%) HP StoreVirtual
10 2 (1.65%) Linux Command Line
10 2 (1.65%) Management Information System
10 2 (1.65%) Video Conferencing
11 1 (0.83%) Blog
11 1 (0.83%) Cloud Native
11 1 (0.83%) Public Cloud
Operating Systems
1 40 (33.06%) Windows
2 39 (32.23%) Linux
3 17 (14.05%) Windows Server
4 5 (4.13%) Apple iOS
5 3 (2.48%) CentOS
6 1 (0.83%) Android
6 1 (0.83%) Red Hat Enterprise Linux
6 1 (0.83%) Unix
Processes & Methodologies
1 50 (41.32%) DevOps
2 45 (37.19%) Agile Software Development
3 23 (19.01%) BDD
4 22 (18.18%) TDD
5 21 (17.36%) Disaster Recovery
6 17 (14.05%) Configuration Management
7 16 (13.22%) Software Architecture
7 16 (13.22%) Software Engineering
8 14 (11.57%) Continuous Integration
9 13 (10.74%) Deployment Automation
9 13 (10.74%) Low Latency
9 13 (10.74%) Open Source
9 13 (10.74%) SDLC
10 10 (8.26%) Continuous Delivery
10 10 (8.26%) Event-Driven Architecture
10 10 (8.26%) Investment Management
10 10 (8.26%) Migration
10 10 (8.26%) Performance Tuning
11 9 (7.44%) Multithreading
11 9 (7.44%) Service Delivery
Programming Languages
1 36 (29.75%) Python
2 34 (28.10%) Java
3 26 (21.49%) PowerShell
4 24 (19.83%) SQL
5 21 (17.36%) Bash Shell
5 21 (17.36%) C#
6 19 (15.70%) Scala
7 18 (14.88%) Ruby
8 12 (9.92%) Groovy
9 9 (7.44%) C++
10 8 (6.61%) Go
11 6 (4.96%) T-SQL
12 5 (4.13%) Java 8
12 5 (4.13%) JavaScript
13 3 (2.48%) ES6
14 2 (1.65%) Perl
15 1 (0.83%) PHP
15 1 (0.83%) Shell Script
Qualifications
1 9 (7.44%) Degree
2 6 (4.96%) Cisco Certification
3 5 (4.13%) CCNA
3 5 (4.13%) Microsoft Certification
4 4 (3.31%) AWS Certification
4 4 (3.31%) CCNP
5 3 (2.48%) MCSD
5 3 (2.48%) MCSE
5 3 (2.48%) RHCSA
6 2 (1.65%) Linux+ Certification
6 2 (1.65%) MCP
6 2 (1.65%) MCSA
6 2 (1.65%) OCP
6 2 (1.65%) Oracle Certification
6 2 (1.65%) RHCA
7 1 (0.83%) Computer Science Degree
7 1 (0.83%) RHCE
7 1 (0.83%) Security Cleared
Quality Assurance & Compliance
1 4 (3.31%) SLA
2 3 (2.48%) GDPR
2 3 (2.48%) ISO/IEC 27001
2 3 (2.48%) QA
3 1 (0.83%) ISO 8583
3 1 (0.83%) PCI DSS
3 1 (0.83%) SEPA
System Software
1 35 (28.93%) Docker
2 10 (8.26%) Active Directory
3 8 (6.61%) VMware Infrastructure
4 4 (3.31%) VMware ESXi
5 3 (2.48%) vSphere
6 2 (1.65%) Microsoft Virtual Server
6 2 (1.65%) Virtual Servers
7 1 (0.83%) Oracle RAC
Systems Management
1 29 (23.97%) Terraform
2 26 (21.49%) Kubernetes
3 23 (19.01%) Ansible
4 20 (16.53%) Puppet
5 12 (9.92%) Opscode Chef
5 12 (9.92%) Rancher
6 5 (4.13%) Nagios
7 4 (3.31%) vCenter Server
8 3 (2.48%) Cisco CUCM
8 3 (2.48%) Grafana
8 3 (2.48%) Prometheus
9 2 (1.65%) Backup Exec
9 2 (1.65%) Mesos
9 2 (1.65%) SCOM
9 2 (1.65%) WSUS
10 1 (0.83%) Cisco Prime
10 1 (0.83%) Graphite
10 1 (0.83%) Oracle Enterprise Manager
10 1 (0.83%) Packer
10 1 (0.83%) SCCM
Vendors
1 18 (14.88%) Microsoft
2 15 (12.40%) Google
3 12 (9.92%) Cisco
3 12 (9.92%) VMware
4 7 (5.79%) Oracle
5 6 (4.96%) SolarWinds
5 6 (4.96%) Splunk
6 5 (4.13%) CheckPoint
6 5 (4.13%) Red Hat
6 5 (4.13%) Sun
6 5 (4.13%) Zscaler
7 4 (3.31%) HP
7 4 (3.31%) Tableau
8 3 (2.48%) BT
8 3 (2.48%) IronPort
8 3 (2.48%) New Relic
9 2 (1.65%) Citrix
9 2 (1.65%) SAP
9 2 (1.65%) Symantec
9 2 (1.65%) Verint