Period
to 21 April 2021

The following table provides summary statistics for permanent job vacancies 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 21 April 2021 with a comparison to the same period in the previous 2 years.

High Availability
UK
6 months to
21 Apr 2021
Same period 2020 Same period 2019
Rank 293 278 250
Rank change year-on-year -15 -28 -8
Permanent jobs citing High Availability 885 1,216 2,030
As % of all permanent jobs advertised in the UK 1.05% 1.12% 1.37%
As % of the Processes & Methodologies category 1.14% 1.21% 1.48%
Number of salaries quoted 686 953 1,666
10th Percentile £32,500 £37,000 £33,000
25th Percentile £41,750 £46,250 £41,250
Median annual salary (50th Percentile) £60,000 £57,500 £55,000
Median % change year-on-year +4.35% +4.55% +4.76%
75th Percentile £75,000 £75,000 £72,250
90th Percentile £86,875 £90,000 £90,000
UK excluding London median annual salary £52,500 £52,000 £48,000
% change year-on-year +0.96% +8.33% +1.05%

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 with a requirement for process or methodology skills.

All Process and Methodology Skills
UK
Permanent vacancies with a requirement for process or methodology skills 77,918 100,125 137,093
As % of all permanent IT jobs advertised in the UK 92.49% 92.21% 92.31%
Number of salaries quoted 59,778 80,427 108,739
10th Percentile £32,500 £31,250 £30,000
25th Percentile £41,250 £40,000 £37,500
Median annual salary (50th Percentile) £55,000 £55,000 £52,500
Median % change year-on-year - +4.76% +5.00%
75th Percentile £75,000 £72,500 £70,000
90th Percentile £90,000 £90,000 £85,000
UK excluding London median annual salary £48,500 £47,500 £45,000
% change year-on-year +2.11% +5.56% -

High Availability
Job Vacancy Trend

Job postings citing High Availability as a proportion of all IT jobs advertised.

Job vacancy trend for High Availability in the UK

High Availability
Salary Trend

3-month moving average salary quoted in jobs citing High Availability.

Salary trend for High Availability in the UK

High Availability
Salary Histogram

Salary distribution for jobs citing High Availability over the 6 months to 21 April 2021.

Salary histogram for High Availability in the UK

High Availability
Top 17 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing High Availability within the UK over the 6 months to 21 April 2021. 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
England -9 825 £60,000 +4.35% 210
UK excluding London -1 495 £52,500 +0.96% 127
London -1 341 £70,000 - 92
Work from Home -71 167 £60,000 +14.29% 46
North of England +1 152 £47,500 -5.00% 37
South East +46 125 £60,000 +4.35% 31
Midlands +20 105 £42,500 -13.90% 18
North West +19 76 £55,000 +4.76% 18
Yorkshire +1 65 £43,500 -13.00% 14
West Midlands -19 60 £40,000 -18.97% 15
East Midlands +43 45 £42,500 -15.00% 3
East of England +32 38 £80,000 +45.45% 8
South West -24 35 £48,000 -8.57% 24
Scotland -11 29 £55,000 +22.22% 6
North East +13 12 £33,564 -16.09% 5
Northern Ireland +11 8 £42,500 +3.66% 2
Wales +5 4 £48,900 +27.01% 2

For the 6 months to 21 April 2021, 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 with a requirement for High Availability.

1 317 (35.82%) AWS
2 315 (35.59%) Agile Software Development
3 300 (33.90%) DevOps
4 272 (30.73%) Linux
5 256 (28.93%) Azure
6 220 (24.86%) SQL
7 218 (24.63%) Microsoft
8 202 (22.82%) Java
9 198 (22.37%) Windows
10 193 (21.81%) Docker
11 177 (20.00%) Python
11 177 (20.00%) Software Engineering
12 170 (19.21%) SQL Server
13 162 (18.31%) JavaScript
14 161 (18.19%) Finance
15 156 (17.63%) Terraform
16 155 (17.51%) Kubernetes
17 152 (17.18%) Microservices
18 142 (16.05%) Continuous Integration
19 139 (15.71%) Ansible
20 136 (15.37%) VMware
21 128 (14.46%) Disaster Recovery
22 127 (14.35%) Jenkins
23 126 (14.24%) Problem-Solving
24 120 (13.56%) Puppet
25 114 (12.88%) Degree
26 113 (12.77%) Active Directory
27 109 (12.32%) Open Source
28 105 (11.86%) PowerShell
29 101 (11.41%) VMware Infrastructure

High Availability
Co-occurring IT Skills 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 38 (4.29%) Elasticsearch
2 37 (4.18%) IIS
3 29 (3.28%) Apache
4 21 (2.37%) Confluence
4 21 (2.37%) SharePoint
5 20 (2.26%) nginx
5 20 (2.26%) OpenStack
6 18 (2.03%) Tomcat
7 13 (1.47%) ejabberd
8 9 (1.02%) CMS
8 9 (1.02%) JBoss
8 9 (1.02%) WebSphere
9 8 (0.90%) Umbraco
10 7 (0.79%) Kentico
10 7 (0.79%) SAS
10 7 (0.79%) Sitecore CMS
11 6 (0.68%) Apache Solr
11 6 (0.68%) Apache Spark
11 6 (0.68%) GemFire
11 6 (0.68%) MS Exchange
Applications
1 37 (4.18%) Microsoft Office
2 6 (0.68%) Microsoft Excel
3 5 (0.56%) Microsoft Project
4 3 (0.34%) MS Visio
5 2 (0.23%) Microsoft PowerPoint
Business Applications
1 4 (0.45%) Dynamics CRM
2 3 (0.34%) Payment Gateway
3 1 (0.11%) Distributed Ledger
3 1 (0.11%) Dynamics AX
3 1 (0.11%) NetSuite
3 1 (0.11%) Oracle BPM
3 1 (0.11%) SAP S/4HANA
3 1 (0.11%) Sentinel
Cloud Services
1 317 (35.82%) AWS
2 256 (28.93%) Azure
3 65 (7.34%) Microsoft 365
4 57 (6.44%) GCP
5 54 (6.10%) SaaS
6 52 (5.88%) Serverless
7 47 (5.31%) Cloud Computing
8 42 (4.75%) Amazon EC2
8 42 (4.75%) GitHub
8 42 (4.75%) IaaS
9 41 (4.63%) PaaS
10 29 (3.28%) AWS Lambda
11 28 (3.16%) AWS CloudFormation
11 28 (3.16%) OpenShift
12 23 (2.60%) Azure Active Directory
13 20 (2.26%) Amazon S3
14 16 (1.81%) Amazon ECS
14 16 (1.81%) Amazon Kinesis
15 14 (1.58%) Azure Storage
15 14 (1.58%) Power Platform
Communications & Networking
1 90 (10.17%) Firewall
2 59 (6.67%) HTTP
3 57 (6.44%) VPN
4 54 (6.10%) LAN
5 46 (5.20%) DNS
6 44 (4.97%) Network Security
6 44 (4.97%) SAN
7 42 (4.75%) WAN
8 35 (3.95%) TCP/IP
9 34 (3.84%) Internet
10 30 (3.39%) DHCP
11 29 (3.28%) BGP
12 28 (3.16%) SNMP
13 20 (2.26%) VoIP
14 18 (2.03%) MPLS
15 17 (1.92%) Diameter Protocol
16 15 (1.69%) Asterisk PBX
16 15 (1.69%) PBX
16 15 (1.69%) SSL
17 14 (1.58%) NAS
Database & Business Intelligence
1 170 (19.21%) SQL Server
2 92 (10.40%) Relational Database
3 69 (7.80%) NoSQL
4 65 (7.34%) MongoDB
5 48 (5.42%) PostgreSQL
6 46 (5.20%) Amazon RDS
7 42 (4.75%) MySQL
8 37 (4.18%) Redis
9 31 (3.50%) SQL Server Reporting Services
10 30 (3.39%) Big Data
11 29 (3.28%) RDBMS
11 29 (3.28%) SQL Server Integration Services
12 23 (2.60%) Data Warehouse
13 21 (2.37%) OLTP
14 20 (2.26%) Apache Cassandra
15 18 (2.03%) Amazon DynamoDB
15 18 (2.03%) Azure SQL Database
16 17 (1.92%) Blockchain
16 17 (1.92%) Oracle Database
17 14 (1.58%) Power BI
Development Applications
1 127 (14.35%) Jenkins
2 76 (8.59%) Git (software)
3 54 (6.10%) Atlassian Bamboo
4 40 (4.52%) JIRA
5 27 (3.05%) Hudson
5 27 (3.05%) Vagrant
6 24 (2.71%) GitLab
7 15 (1.69%) Selenium
8 14 (1.58%) Octopus Deploy
9 12 (1.36%) TeamCity
10 10 (1.13%) Sonatype Nexus
10 10 (1.13%) Visual Studio
11 9 (1.02%) Artifactory
11 9 (1.02%) Bitbucket
11 9 (1.02%) JUnit
12 8 (0.90%) Cucumber
13 7 (0.79%) Cypress.io
13 7 (0.79%) SonarQube
13 7 (0.79%) Team Foundation Server
14 6 (0.68%) Spock
General
1 161 (18.19%) Finance
2 53 (5.99%) Banking
3 47 (5.31%) Marketing
4 35 (3.95%) Public Sector
4 35 (3.95%) Telecoms
5 28 (3.16%) Law
6 27 (3.05%) Retail
7 20 (2.26%) Games
8 15 (1.69%) Advertising
9 10 (1.13%) Legal
9 10 (1.13%) Publishing
10 7 (0.79%) Investment Banking
11 5 (0.56%) Automotive
11 5 (0.56%) Fire and Rescue
12 4 (0.45%) Avionics
12 4 (0.45%) Online Betting
13 3 (0.34%) Front Office
14 2 (0.23%) Manufacturing
14 2 (0.23%) Pharmaceutical
15 1 (0.11%) Czech Language
Job Titles
1 172 (19.44%) Developer
2 107 (12.09%) DevOps Engineer
3 87 (9.83%) DBA
4 80 (9.04%) Administrator
5 71 (8.02%) Platform Engineer
6 54 (6.10%) Infrastructure Engineer
7 50 (5.65%) Java Developer
8 45 (5.08%) SQL DBA
9 43 (4.86%) Senior Developer
10 42 (4.75%) Architect
10 42 (4.75%) Software Engineer
11 41 (4.63%) Azure Engineer
12 36 (4.07%) Analyst
12 36 (4.07%) Network Engineer
13 34 (3.84%) Cloud Engineer
14 30 (3.39%) Azure DevOps Engineer
15 28 (3.16%) AWS Engineer
15 28 (3.16%) Systems Administrator
15 28 (3.16%) Systems Engineer
16 26 (2.94%) Software Developer
Libraries, Frameworks & Software Standards
1 94 (10.62%) Node.js
2 88 (9.94%) React
3 81 (9.15%) Web Services
4 68 (7.68%) AngularJS
5 67 (7.57%) REST
6 62 (7.01%) CSS
6 62 (7.01%) HTML
7 55 (6.21%) Kafka
8 54 (6.10%) Spring
9 46 (5.20%) RESTful
10 35 (3.95%) Elastic Stack
11 34 (3.84%) HTML5
12 33 (3.73%) RabbitMQ
13 32 (3.62%) .NET
14 29 (3.28%) Vue.js
15 28 (3.16%) Ajax
15 28 (3.16%) JSON
16 24 (2.71%) Spring Boot
17 23 (2.60%) Redux
18 19 (2.15%) CSS3
Miscellaneous
1 83 (9.38%) Clustering
2 64 (7.23%) Analytical Skills
3 63 (7.12%) Data Centre
3 63 (7.12%) Replication
4 37 (4.18%) Mobile App
5 33 (3.73%) Greenfield Project
6 32 (3.62%) Organisational Skills
7 25 (2.82%) Public Cloud
7 25 (2.82%) User Experience
8 23 (2.60%) Self-Motivation
9 21 (2.37%) NHS
10 17 (1.92%) Cloud Native
10 17 (1.92%) Enterprise Software
10 17 (1.92%) Smartphone
11 14 (1.58%) Hybrid Cloud
12 13 (1.47%) Algorithms
12 13 (1.47%) Blog
12 13 (1.47%) CMDB
12 13 (1.47%) iSeries
13 12 (1.36%) Digital Media
Operating Systems
1 272 (30.73%) Linux
2 198 (22.37%) Windows
3 73 (8.25%) Windows Server
4 48 (5.42%) Red Hat Enterprise Linux
5 41 (4.63%) CentOS
6 40 (4.52%) Windows Server 2012
7 39 (4.41%) Ubuntu
8 38 (4.29%) Unix
9 31 (3.50%) Windows Server 2016
10 24 (2.71%) Windows Server 2019
11 18 (2.03%) Debian
12 15 (1.69%) Windows Server 2008
13 13 (1.47%) Android
14 11 (1.24%) Solaris
15 8 (0.90%) Windows 10
16 7 (0.79%) Apple iOS
17 5 (0.56%) AIX
18 4 (0.45%) Mac OS
18 4 (0.45%) VMS
19 3 (0.34%) SUSE
Processes & Methodologies
1 315 (35.59%) Agile Software Development
2 300 (33.90%) DevOps
3 177 (20.00%) Software Engineering
4 152 (17.18%) Microservices
5 142 (16.05%) Continuous Integration
6 128 (14.46%) Disaster Recovery
7 126 (14.24%) Problem-Solving
8 109 (12.32%) Open Source
9 91 (10.28%) Configuration Management
10 89 (10.06%) Computer Science
11 84 (9.49%) Continuous Improvement
12 79 (8.93%) Test Automation
13 78 (8.81%) ITIL
14 75 (8.47%) Mentoring
15 74 (8.36%) TDD
16 72 (8.14%) Infrastructure Engineering
16 72 (8.14%) Performance Tuning
17 70 (7.91%) Deployment Automation
18 64 (7.23%) Low Latency
19 62 (7.01%) Scrum
Programming Languages
1 220 (24.86%) SQL
2 202 (22.82%) Java
3 177 (20.00%) Python
4 162 (18.31%) JavaScript
5 105 (11.86%) PowerShell
6 65 (7.34%) Go
6 65 (7.34%) Ruby
7 56 (6.33%) Bash Shell
8 53 (5.99%) C#
9 46 (5.20%) PHP
10 45 (5.08%) TypeScript
11 43 (4.86%) T-SQL
12 40 (4.52%) Perl
13 27 (3.05%) Shell Script
14 25 (2.82%) C
15 24 (2.71%) C++
16 18 (2.03%) Java 8
17 13 (1.47%) Groovy
18 12 (1.36%) Scala
19 9 (1.02%) Apex Code
Qualifications
1 114 (12.88%) Degree
2 69 (7.80%) Security Cleared
3 54 (6.10%) SC Cleared
4 43 (4.86%) Microsoft Certification
5 39 (4.41%) Computer Science Degree
6 38 (4.29%) Cisco Certification
7 36 (4.07%) AWS Certification
8 34 (3.84%) CCNA
9 29 (3.28%) MCSE
10 17 (1.92%) VMware Certified Professional (VCP)
11 16 (1.81%) RHCSA
12 15 (1.69%) CCNP
12 15 (1.69%) MCSA
12 15 (1.69%) RHCE
13 13 (1.47%) DBS Check
14 11 (1.24%) CISSP
15 10 (1.13%) Master's Degree
16 9 (1.02%) Citrix Certification
17 7 (0.79%) CCDA
17 7 (0.79%) ITIL Certification
Quality Assurance & Compliance
1 57 (6.44%) QA
2 32 (3.62%) SLA
3 10 (1.13%) ISO/IEC 27001
4 9 (1.02%) HL7
5 6 (0.68%) NCSC
6 4 (0.45%) NIST
6 4 (0.45%) NIST 800
6 4 (0.45%) PCI DSS
7 3 (0.34%) Cyber Essentials
7 3 (0.34%) Cyber Essentials PLUS
7 3 (0.34%) Data Quality
8 1 (0.11%) GDPR
8 1 (0.11%) ISO/IEC 20000
8 1 (0.11%) PMO
System Software
1 193 (21.81%) Docker
2 113 (12.77%) Active Directory
3 101 (11.41%) VMware Infrastructure
4 69 (7.80%) Hyper-V
5 25 (2.82%) iptables
6 23 (2.60%) KVM
7 19 (2.15%) XenApp
8 17 (1.92%) QEMU
9 15 (1.69%) Kamailio
10 13 (1.47%) Postfix
10 13 (1.47%) vSphere
11 12 (1.36%) Oracle RAC
12 10 (1.13%) VMware ESXi
13 9 (1.02%) HDFS
13 9 (1.02%) Virtual Machines
14 8 (0.90%) XenDesktop
15 5 (0.56%) NFS
15 5 (0.56%) Terminal Services
15 5 (0.56%) VMware Workstation
16 4 (0.45%) Firmware
Systems Management
1 156 (17.63%) Terraform
2 155 (17.51%) Kubernetes
3 139 (15.71%) Ansible
4 120 (13.56%) Puppet
5 58 (6.55%) Grafana
6 49 (5.54%) Docker Swarm
6 49 (5.54%) Opscode Chef
7 47 (5.31%) Packer
8 45 (5.08%) Consul
8 45 (5.08%) SCCM
9 39 (4.41%) Nagios
9 39 (4.41%) ZABBIX
10 37 (4.18%) Prometheus
11 32 (3.62%) Failover Clustering
12 30 (3.39%) Graphite
13 25 (2.82%) SCOM
14 24 (2.71%) Galera Cluster
15 18 (2.03%) HAProxy
16 16 (1.81%) Microsoft Intune
17 13 (1.47%) Opsview
Vendors
1 218 (24.63%) Microsoft
2 136 (15.37%) VMware
3 91 (10.28%) Cisco
4 57 (6.44%) Citrix
5 49 (5.54%) Red Hat
6 48 (5.42%) Oracle
7 47 (5.31%) IBM
8 46 (5.20%) Google
9 40 (4.52%) HP
10 26 (2.94%) Veeam
11 18 (2.03%) Juniper
11 18 (2.03%) Percona
11 18 (2.03%) SolarWinds
11 18 (2.03%) SonicWALL
12 17 (1.92%) GENBAND
12 17 (1.92%) Mitel
13 16 (1.81%) Dell
13 16 (1.81%) Splunk
14 13 (1.47%) Nortel
15 12 (1.36%) EMC