Period
to 25 September 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 25 September 2021 with a comparison to the same period in the previous 2 years.

High Availability
UK
6 months to
25 Sep 2021
Same period 2020 Same period 2019
Rank 257 274 264
Rank change year-on-year +17 -10 -18
Permanent jobs citing High Availability 1,613 580 1,812
As % of all permanent jobs advertised in the UK 1.32% 1.19% 1.29%
As % of the Processes & Methodologies category 1.41% 1.27% 1.39%
Number of salaries quoted 911 431 1,395
10th Percentile £36,250 £37,500 £36,250
25th Percentile £45,000 £46,500 £44,250
Median annual salary (50th Percentile) £57,500 £60,000 £55,000
Median % change year-on-year -4.17% +9.09% -
75th Percentile £77,500 £80,000 £75,516
90th Percentile £92,500 £97,500 £92,000
UK excluding London median annual salary £50,000 £50,000 £50,000

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 114,744 45,556 130,359
As % of all permanent IT jobs advertised in the UK 93.98% 93.23% 92.62%
Number of salaries quoted 76,675 37,678 103,661
10th Percentile £32,500 £33,000 £30,000
25th Percentile £42,500 £42,500 £37,500
Median annual salary (50th Percentile) £57,500 £55,000 £52,500
Median % change year-on-year +4.55% +4.76% +5.00%
75th Percentile £76,250 £73,750 £70,000
90th Percentile £93,750 £92,500 £86,500
UK excluding London median annual salary £50,000 £50,000 £45,000
% change year-on-year - +11.11% -

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 25 September 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 25 September 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 1,422 £60,000 - 209
UK excluding London -13 832 £50,000 - 144
London +4 671 £70,000 -6.67% 82
South East +33 370 £57,500 -4.17% 28
Work from Home -84 257 £55,000 +5.26% 47
North of England -88 167 £45,000 -10.00% 38
North West -92 101 £52,500 - 22
Midlands -79 85 £52,125 +15.83% 23
South West -41 77 £48,000 -46.67% 15
West Midlands -72 62 £52,500 +16.67% 13
Scotland -53 60 £48,000 +21.52% 11
Yorkshire -69 52 £38,000 -19.58% 15
Wales -3 44 £45,000 - 5
East of England -69 34 £39,000 -13.33% 21
East Midlands -63 25 £46,250 -7.50% 10
North East -37 16 £37,250 -20.74% 1
Northern Ireland -50 1 £32,500 -42.22% 3

For the 6 months to 25 September 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.

1 783 (48.54%) Agile Software Development
2 716 (44.39%) AWS
3 600 (37.20%) DevOps
4 507 (31.43%) Software Engineering
5 503 (31.18%) Java
6 496 (30.75%) Azure
7 494 (30.63%) Linux
8 490 (30.38%) React
9 484 (30.01%) Python
10 472 (29.26%) Microservices
11 426 (26.41%) JavaScript
12 389 (24.12%) Node.js
13 384 (23.81%) Finance
14 382 (23.68%) Git (software)
15 380 (23.56%) AngularJS
16 355 (22.01%) Social Skills
17 347 (21.51%) Jenkins
18 344 (21.33%) Microsoft
19 334 (20.71%) Docker
20 328 (20.33%) SQL
21 320 (19.84%) Degree
22 313 (19.40%) GitHub
23 312 (19.34%) NoSQL
24 307 (19.03%) TDD
25 299 (18.54%) Kubernetes
26 291 (18.04%) Redis
27 285 (17.67%) VMware
28 281 (17.42%) Ansible
29 274 (16.99%) Continuous Integration
30 271 (16.80%) PostgreSQL

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
1 160 (9.92%) Apache
2 135 (8.37%) Apache Spark
3 132 (8.18%) GemFire
4 57 (3.53%) Elasticsearch
5 41 (2.54%) IIS
6 39 (2.42%) Confluence
7 36 (2.23%) SharePoint
8 29 (1.80%) MS Exchange
9 25 (1.55%) nginx
10 10 (0.62%) OpenStack
11 8 (0.50%) CMS
11 8 (0.50%) Tomcat
11 8 (0.50%) Traefik
12 7 (0.43%) Exchange Server 2013
12 7 (0.43%) SAS
13 4 (0.25%) Apache Pulsar
13 4 (0.25%) ejabberd
13 4 (0.25%) Exchange Server 2010
13 4 (0.25%) SharePoint 2013
14 3 (0.19%) ColdFusion
Applications
1 32 (1.98%) Microsoft Office
2 20 (1.24%) MS Visio
3 9 (0.56%) Microsoft Excel
4 8 (0.50%) Microsoft Project
5 7 (0.43%) Siemens NX
6 2 (0.12%) InfoPath
7 1 (0.062%) GIMP
7 1 (0.062%) Photoshop
7 1 (0.062%) Sketch
Business Applications
1 7 (0.43%) Teamcenter
2 5 (0.31%) Payment Gateway
3 4 (0.25%) Orchard Housing
4 3 (0.19%) Dynamics AX
4 3 (0.19%) Salesforce.com CRM
4 3 (0.19%) SAP Hybris
5 2 (0.12%) Maximo
5 2 (0.12%) NetSuite
5 2 (0.12%) Oracle EBS
5 2 (0.12%) Oracle EBS R12
5 2 (0.12%) SAP Oil and Gas
5 2 (0.12%) SAP S/4HANA
6 1 (0.062%) Oracle 11i
6 1 (0.062%) Oracle Applications
6 1 (0.062%) Remedy ITSM
Cloud Services
1 716 (44.39%) AWS
2 496 (30.75%) Azure
3 313 (19.40%) GitHub
4 207 (12.83%) GCP
5 153 (9.49%) Amazon Kinesis
6 120 (7.44%) SaaS
7 119 (7.38%) Serverless
8 93 (5.77%) Microsoft 365
9 90 (5.58%) Amazon EC2
10 77 (4.77%) AWS Lambda
11 74 (4.59%) AWS CloudFormation
12 68 (4.22%) Amazon S3
13 64 (3.97%) Amazon SQS
14 62 (3.84%) OpenShift
15 53 (3.29%) IaaS
15 53 (3.29%) PaaS
16 52 (3.22%) Cloud Computing
17 46 (2.85%) Amazon EKS
18 44 (2.73%) Power Platform
19 41 (2.54%) Amazon Cognito
Communications & Networking
1 181 (11.22%) Firewall
2 135 (8.37%) HTTP
3 96 (5.95%) LAN
4 94 (5.83%) WAN
5 91 (5.64%) VPN
6 80 (4.96%) DNS
7 68 (4.22%) Broadband
8 67 (4.15%) Network Security
9 55 (3.41%) DHCP
10 53 (3.29%) SAN
11 45 (2.79%) TCP/IP
12 40 (2.48%) BGP
13 37 (2.29%) Wireshark
14 32 (1.98%) SMS
14 32 (1.98%) VoIP
15 30 (1.86%) SSL
16 27 (1.67%) SNMP
17 25 (1.55%) Internet
18 24 (1.49%) OSPF
19 20 (1.24%) IPsec
Database & Business Intelligence
1 312 (19.34%) NoSQL
2 291 (18.04%) Redis
3 271 (16.80%) PostgreSQL
4 256 (15.87%) Relational Database
5 250 (15.50%) SQL Server
6 140 (8.68%) MariaDB
7 125 (7.75%) HBase
8 121 (7.50%) MySQL
9 104 (6.45%) Big Data
10 95 (5.89%) MongoDB
11 70 (4.34%) Amazon RDS
12 65 (4.03%) SQL Server Integration Services
13 64 (3.97%) Amazon DynamoDB
14 61 (3.78%) Amazon Aurora
14 61 (3.78%) Data Warehouse
15 54 (3.35%) SQL Server Reporting Services
16 46 (2.85%) Amazon Redshift
17 40 (2.48%) Power BI
18 32 (1.98%) Azure SQL Database
19 30 (1.86%) Apache Cassandra
Development Applications
1 382 (23.68%) Git (software)
2 347 (21.51%) Jenkins
3 164 (10.17%) Cypress.io
4 153 (9.49%) Artifactory
5 146 (9.05%) JUnit
6 140 (8.68%) Cucumber
6 140 (8.68%) Mockito
7 135 (8.37%) Sonatype Nexus
8 134 (8.31%) Gradle
9 132 (8.18%) IntelliJ
10 130 (8.06%) Protractor
11 129 (8.00%) Storybook
12 125 (7.75%) Eclipse
13 123 (7.63%) GitLab
14 98 (6.08%) JIRA
14 98 (6.08%) Selenium
15 89 (5.52%) SonarQube
16 56 (3.47%) Atlassian Bamboo
17 53 (3.29%) webpack
18 38 (2.36%) NUnit
General
1 384 (23.81%) Finance
2 355 (22.01%) Social Skills
3 228 (14.14%) Banking
4 196 (12.15%) Law
5 186 (11.53%) Inclusion and Diversity
6 126 (7.81%) Analytical Skills
7 69 (4.28%) Retail
8 65 (4.03%) Telecoms
9 47 (2.91%) Games
10 40 (2.48%) Public Sector
11 37 (2.29%) Advertising
12 32 (1.98%) Legal
13 29 (1.80%) Marketing
14 25 (1.55%) Front Office
15 23 (1.43%) Influencing Skills
15 23 (1.43%) Presentation Skills
16 21 (1.30%) Organisational Skills
17 18 (1.12%) Documentation Skills
18 17 (1.05%) Manufacturing
19 10 (0.62%) Social Housing
Job Titles
1 338 (20.95%) Developer
2 287 (17.79%) Software Engineer
3 136 (8.43%) Senior Developer
4 130 (8.06%) DevOps Engineer
5 110 (6.82%) DBA
6 102 (6.32%) Principal Engineer
7 94 (5.83%) Software Developer
8 89 (5.52%) Administrator
9 78 (4.84%) Architect
9 78 (4.84%) Principal Software Engineer
10 75 (4.65%) Java Developer
11 69 (4.28%) Platform Engineer
12 63 (3.91%) Senior Software Engineer
13 62 (3.84%) Consultant
13 62 (3.84%) Senior Software Developer
14 61 (3.78%) .NET Developer
15 59 (3.66%) SQL DBA
16 57 (3.53%) AWS Engineer
17 56 (3.47%) Infrastructure Engineer
18 51 (3.16%) Lead Software Engineer
Libraries, Frameworks & Software Standards
1 490 (30.38%) React
2 389 (24.12%) Node.js
3 380 (23.56%) AngularJS
4 242 (15.00%) CSS
5 234 (14.51%) Kafka
5 234 (14.51%) RabbitMQ
6 231 (14.32%) Web Services
7 216 (13.39%) Spring
8 195 (12.09%) Redux
9 191 (11.84%) RESTful
10 182 (11.28%) .NET
11 177 (10.97%) REST
12 174 (10.79%) JSON
13 169 (10.48%) HTML
14 141 (8.74%) Twitter Bootstrap
15 140 (8.68%) WireMock
16 136 (8.43%) Express
17 130 (8.06%) Tailwind CSS
18 129 (8.00%) Spark Streaming
19 125 (7.75%) Play Framework
Miscellaneous
1 146 (9.05%) Clustering
2 131 (8.12%) Linux Command Line
3 100 (6.20%) User Experience
4 83 (5.15%) Data Centre
4 83 (5.15%) Management Information System
5 49 (3.04%) Public Cloud
5 49 (3.04%) Social Media
6 43 (2.67%) Mobile App
7 42 (2.60%) BBC
8 40 (2.48%) Replication
9 39 (2.42%) Algorithms
9 39 (2.42%) Video\Live Streaming
10 38 (2.36%) Cloud Native
11 33 (2.05%) Blog
12 32 (1.98%) Hybrid Cloud
13 26 (1.61%) Data Structures
13 26 (1.61%) Private Cloud
14 24 (1.49%) Digital Media
15 22 (1.36%) Self-Motivation
16 19 (1.18%) Enterprise Software
Operating Systems
1 494 (30.63%) Linux
2 239 (14.82%) Windows
3 199 (12.34%) Unix
4 148 (9.18%) Windows Server
5 70 (4.34%) CentOS
6 60 (3.72%) Windows Server 2012
7 46 (2.85%) Android
8 41 (2.54%) Windows Server 2008
9 39 (2.42%) Windows Server 2016
10 34 (2.11%) Red Hat Enterprise Linux
11 32 (1.98%) Apple iOS
12 30 (1.86%) Windows Server 2019
13 23 (1.43%) Windows 10
14 15 (0.93%) VyOS
15 13 (0.81%) Mac OS
15 13 (0.81%) Ubuntu
16 11 (0.68%) Windows Server 2003
17 10 (0.62%) Debian
18 7 (0.43%) Mac OS X
19 5 (0.31%) AIX
Processes & Methodologies
1 783 (48.54%) Agile Software Development
2 600 (37.20%) DevOps
3 507 (31.43%) Software Engineering
4 472 (29.26%) Microservices
5 307 (19.03%) TDD
6 274 (16.99%) Continuous Integration
7 267 (16.55%) Computer Science
8 256 (15.87%) BDD
9 243 (15.07%) Disaster Recovery
10 237 (14.69%) Full Stack Development
11 230 (14.26%) Problem-Solving
12 228 (14.14%) Open Source
13 218 (13.52%) Multithreading
14 206 (12.77%) Scrum
15 198 (12.28%) OO
16 193 (11.97%) Test Automation
17 189 (11.72%) Continuous Improvement
18 166 (10.29%) Business Continuity
19 164 (10.17%) Performance Monitoring
20 158 (9.80%) Clean Code
Programming Languages
1 503 (31.18%) Java
2 484 (30.01%) Python
3 426 (26.41%) JavaScript
4 328 (20.33%) SQL
5 212 (13.14%) C#
6 174 (10.79%) PowerShell
7 170 (10.54%) Shell Script
8 167 (10.35%) TypeScript
9 132 (8.18%) Groovy
10 123 (7.63%) Go
11 83 (5.15%) Ruby
12 74 (4.59%) Scala
13 64 (3.97%) Bash Shell
14 63 (3.91%) PHP
15 59 (3.66%) T-SQL
16 47 (2.91%) C
17 35 (2.17%) Perl
18 26 (1.61%) ES6
19 22 (1.36%) C++
20 20 (1.24%) Java 8
Qualifications
1 320 (19.84%) Degree
2 127 (7.87%) OCP
2 127 (7.87%) Oracle Certification
3 111 (6.88%) Security Cleared
4 76 (4.71%) Computer Science Degree
5 73 (4.53%) SC Cleared
6 52 (3.22%) AWS Certification
7 43 (2.67%) Cisco Certification
8 42 (2.60%) DV Cleared
9 37 (2.29%) Microsoft Certification
10 35 (2.17%) CCNA
11 20 (1.24%) MCSE
12 19 (1.18%) MCSA
13 13 (0.81%) CCNP
13 13 (0.81%) Master's Degree
13 13 (0.81%) RHCE
14 12 (0.74%) RHCSA
15 11 (0.68%) CISSP
16 8 (0.50%) CCIE
16 8 (0.50%) CISM
Quality Assurance & Compliance
1 108 (6.70%) QA
2 75 (4.65%) SLA
3 34 (2.11%) GDPR
4 18 (1.12%) NEBOSH
5 14 (0.87%) PCI DSS
6 10 (0.62%) ISO/IEC 27001
7 9 (0.56%) Cyber Essentials
8 7 (0.43%) Accessibility
9 6 (0.37%) Data Quality
10 3 (0.19%) ISO 9001
11 2 (0.12%) Sarbanes-Oxley
12 1 (0.062%) Cyber Essentials PLUS
12 1 (0.062%) GRC
12 1 (0.062%) IEC 61508
12 1 (0.062%) ISO 22301
12 1 (0.062%) ISO/IEC 20000
System Software
1 334 (20.71%) Docker
2 208 (12.90%) VMware Infrastructure
3 165 (10.23%) Active Directory
4 124 (7.69%) HDFS
5 66 (4.09%) Hyper-V
6 28 (1.74%) iptables
7 27 (1.67%) Virtual Machines
8 14 (0.87%) NFS
8 14 (0.87%) VMware ESXi
9 11 (0.68%) vSphere
10 10 (0.62%) KVM
11 9 (0.56%) Kamailio
12 8 (0.50%) QEMU
12 8 (0.50%) Terminal Services
12 8 (0.50%) XenApp
13 7 (0.43%) Oracle RAC
14 6 (0.37%) Virtual Servers
15 5 (0.31%) OpenSIPS
16 4 (0.25%) Postfix
16 4 (0.25%) vCloud
Systems Management
1 299 (18.54%) Kubernetes
2 281 (17.42%) Ansible
3 201 (12.46%) Terraform
4 120 (7.44%) Opscode Chef
5 117 (7.25%) Grafana
5 117 (7.25%) Puppet
6 79 (4.90%) Prometheus
7 73 (4.53%) SCCM
8 71 (4.40%) Graphite
9 60 (3.72%) Packer
10 56 (3.47%) Consul
11 49 (3.04%) Docker Swarm
12 43 (2.67%) Nagios
13 42 (2.60%) ZABBIX
14 38 (2.36%) Failover Clustering
15 36 (2.23%) Opsgenie
16 33 (2.05%) Graylog
16 33 (2.05%) Istio
17 32 (1.98%) SCOM
18 27 (1.67%) Microsoft Intune
Vendors
1 344 (21.33%) Microsoft
2 285 (17.67%) VMware
3 129 (8.00%) Okta
4 95 (5.89%) Cisco
5 83 (5.15%) Oracle
6 63 (3.91%) Google
7 50 (3.10%) Red Hat
8 39 (2.42%) Brocade
8 39 (2.42%) Citrix
9 36 (2.23%) Juniper
10 33 (2.05%) SolarWinds
11 31 (1.92%) TippingPoint
12 29 (1.80%) F5
13 27 (1.67%) Splunk
14 25 (1.55%) CheckPoint
15 22 (1.36%) Veeam
16 19 (1.18%) SAP
17 18 (1.12%) Apple
17 18 (1.12%) Atlassian
18 16 (0.99%) Avaya