Period
to 31 July 2021

The following table provides summary statistics for permanent job vacancies with a requirement for Failover Clustering skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Failover Clustering over the 6 months to 31 July 2021 with a comparison to the same period in the previous 2 years.

Failover Clustering (High-Availability, HA)
UK
6 months to
31 Jul 2021
Same period 2020 Same period 2019
Rank 914 745 1001
Rank change year-on-year -169 +256 +27
Permanent jobs citing Failover Clustering 80 56 103
As % of all permanent jobs advertised in the UK 0.070% 0.082% 0.072%
As % of the Systems Management category 0.41% 0.55% 0.55%
Number of salaries quoted 70 43 66
10th Percentile £36,500 £36,250 £32,313
25th Percentile £41,563 £42,500 £45,000
Median annual salary (50th Percentile) £50,000 £50,000 £50,000
75th Percentile £69,688 £58,750 £65,000
90th Percentile £87,500 £75,000 £69,875
UK excluding London median annual salary £45,000 £50,000 £50,000
% change year-on-year -10.00% - +8.70%

Failover Clustering is in the Systems Management category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for systems management skills.

All Systems Management Skills
UK
Permanent vacancies with a requirement for systems management skills 19,564 10,218 18,752
As % of all permanent IT jobs advertised in the UK 17.22% 15.02% 13.04%
Number of salaries quoted 13,059 8,350 14,473
10th Percentile £37,500 £35,250 £32,500
25th Percentile £47,500 £45,000 £42,500
Median annual salary (50th Percentile) £65,000 £60,000 £58,100
Median % change year-on-year +8.33% +3.27% +5.64%
75th Percentile £83,750 £80,000 £77,500
90th Percentile £97,500 £95,000 £90,000
UK excluding London median annual salary £55,000 £50,000 £50,000
% change year-on-year +10.00% - +5.26%

Failover Clustering
Job Vacancy Trend

Job postings citing Failover Clustering as a proportion of all IT jobs advertised.

Job vacancy trend for Failover Clustering in the UK

Failover Clustering
Salary Trend

3-month moving average salary quoted in jobs citing Failover Clustering.

Salary trend for Failover Clustering in the UK

Failover Clustering
Salary Histogram

Salary distribution for jobs citing Failover Clustering over the 6 months to 31 July 2021.

Salary histogram for Failover Clustering in the UK

Failover Clustering
Top 12 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Failover Clustering within the UK over the 6 months to 31 July 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 -147 77 £50,000 - 16
UK excluding London -144 44 £45,000 -10.00% 8
Work from Home -218 34 £65,000 +44.44% 5
North of England -57 31 £47,500 -5.00% 5
London -118 31 £67,500 -10.00% 8
North West -29 26 £50,000 - 5
Midlands -81 8 £41,500 -7.78%
East Midlands -48 7 £49,500 +65.00%
Yorkshire - 5 £40,000 -
South East -107 4 £38,000 -15.56% 3
South West -68 1 £40,000 +12.68%
West Midlands -76 1 £24,000 -48.11%

For the 6 months to 31 July 2021, IT jobs citing Failover Clustering 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 Failover Clustering.

1 53 (66.25%) Azure
2 48 (60.00%) Windows
3 47 (58.75%) Microsoft
4 46 (57.50%) Clustering
4 46 (57.50%) PowerShell
5 44 (55.00%) Linux
6 41 (51.25%) Windows Server
7 38 (47.50%) Active Directory
8 34 (42.50%) VMware
8 34 (42.50%) DevOps
9 33 (41.25%) High Availability
10 32 (40.00%) Load Balancing
11 30 (37.50%) Firewall
12 29 (36.25%) Infrastructure Engineering
13 27 (33.75%) Hyper-V
13 27 (33.75%) AWS
14 26 (32.50%) Migration
15 25 (31.25%) VMware Infrastructure
16 24 (30.00%) Microsoft 365
17 23 (28.75%) DNS
17 23 (28.75%) SQL
17 23 (28.75%) Python
17 23 (28.75%) Data Centre
18 22 (27.50%) SCCM
19 21 (26.25%) Ansible
19 21 (26.25%) Disaster Recovery
20 20 (25.00%) DHCP
21 19 (23.75%) Private Cloud
22 18 (22.50%) VPN
23 17 (21.25%) NetApp

Failover Clustering
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 15 (18.75%) nginx
2 12 (15.00%) MS Exchange
3 9 (11.25%) Apache
3 9 (11.25%) Confluence
4 7 (8.75%) SharePoint
5 6 (7.50%) Traefik
6 4 (5.00%) IIS
7 2 (2.50%) SharePoint Server
7 2 (2.50%) Skype for Business
8 1 (1.25%) Apache Spark
8 1 (1.25%) Exchange Server 2013
Applications
1 2 (2.50%) Microsoft Office
2 1 (1.25%) Microsoft Excel
2 1 (1.25%) Microsoft PowerPoint
Business Applications
1 6 (7.50%) Sentinel
2 1 (1.25%) Dynamics GP
Cloud Services
1 53 (66.25%) Azure
2 27 (33.75%) AWS
3 24 (30.00%) Microsoft 365
4 15 (18.75%) Azure Active Directory
5 12 (15.00%) AWS CloudFormation
6 11 (13.75%) Amazon CloudWatch
7 9 (11.25%) Amazon EC2
8 7 (8.75%) IaaS
9 6 (7.50%) Amazon EKS
9 6 (7.50%) Amazon SQS
9 6 (7.50%) Azure Sentinel
10 5 (6.25%) PaaS
11 4 (5.00%) Power Platform
11 4 (5.00%) SaaS
12 3 (3.75%) OneDrive
13 1 (1.25%) Dynamics 365
13 1 (1.25%) GCP
13 1 (1.25%) GitHub
13 1 (1.25%) Mimecast
13 1 (1.25%) Yammer
Communications & Networking
1 30 (37.50%) Firewall
2 23 (28.75%) DNS
3 20 (25.00%) DHCP
4 18 (22.50%) VPN
5 15 (18.75%) SAN
6 11 (13.75%) HTTP
6 11 (13.75%) SSL
7 10 (12.50%) VLAN
8 9 (11.25%) Broadband
9 7 (8.75%) MPLS
9 7 (8.75%) Wi-Fi
10 5 (6.25%) Remote Desktop
11 4 (5.00%) BGP
11 4 (5.00%) IPsec
12 3 (3.75%) iSCSI
12 3 (3.75%) NAS
12 3 (3.75%) TCP/IP
13 2 (2.50%) Fibre Channel
13 2 (2.50%) Kerberos
13 2 (2.50%) Skype
Database & Business Intelligence
1 16 (20.00%) SQL Server
2 9 (11.25%) MariaDB
2 9 (11.25%) PostgreSQL
3 7 (8.75%) MySQL
3 7 (8.75%) NoSQL
4 6 (7.50%) Amazon DynamoDB
4 6 (7.50%) Event Store
4 6 (7.50%) MongoDB
4 6 (7.50%) Redis
5 5 (6.25%) SQL Server 7
6 4 (5.00%) Amazon RDS
6 4 (5.00%) Power BI
7 3 (3.75%) Azure SQL Database
7 3 (3.75%) SQL Server Integration Services
8 2 (2.50%) SQL Server 2005
8 2 (2.50%) SQL Server 2019
9 1 (1.25%) Hadoop
9 1 (1.25%) SQL Server 2008
9 1 (1.25%) SQL Server 2017
9 1 (1.25%) SQL Server Analysis Services
Development Applications
1 12 (15.00%) Jenkins
2 11 (13.75%) Octopus Deploy
3 10 (12.50%) JIRA
4 7 (8.75%) Git (software)
5 6 (7.50%) git-flow
6 1 (1.25%) Visual Studio
General
1 11 (13.75%) Social Skills
2 6 (7.50%) Documentation Skills
3 5 (6.25%) Games
4 3 (3.75%) Finance
5 2 (2.50%) Analytical Skills
6 1 (1.25%) Law
6 1 (1.25%) Local Government
6 1 (1.25%) Public Sector
6 1 (1.25%) Retail
Job Titles
1 30 (37.50%) Infrastructure Engineer
2 18 (22.50%) DevOps Engineer
3 17 (21.25%) Azure Engineer
4 16 (20.00%) Azure Infrastructure Engineer
4 16 (20.00%) DBA
5 10 (12.50%) IT Engineer
5 10 (12.50%) Linux Engineer
6 9 (11.25%) Linux Systems Engineer
6 9 (11.25%) SQL DBA
6 9 (11.25%) Systems Engineer
7 7 (8.75%) 3rd Line Engineer
7 7 (8.75%) AWS DevOps
7 7 (8.75%) AWS DevOps Engineer
7 7 (8.75%) AWS Engineer
8 6 (7.50%) 3rd Line Infrastructure Engineer
8 6 (7.50%) DevOps Systems Engineer
8 6 (7.50%) Linux DevOps Engineer
8 6 (7.50%) Linux/Unix DevOps
8 6 (7.50%) Principal Systems Engineer
8 6 (7.50%) SQL Server DBA
Libraries, Frameworks & Software Standards
1 15 (18.75%) LEMP Stack
2 11 (13.75%) Elastic Stack
3 9 (11.25%) LAMP
3 9 (11.25%) LAPP Stack
4 6 (7.50%) ActiveMQ
4 6 (7.50%) RabbitMQ
5 2 (2.50%) Kafka
5 2 (2.50%) LDAP
6 1 (1.25%) JDBC
6 1 (1.25%) JMS
6 1 (1.25%) Web Services
Miscellaneous
1 46 (57.50%) Clustering
2 23 (28.75%) Data Centre
3 19 (23.75%) Private Cloud
4 16 (20.00%) Enterprise Storage
4 16 (20.00%) Linux Command Line
5 15 (18.75%) Public Cloud
6 11 (13.75%) Replication
7 5 (6.25%) Hedge funds
8 4 (5.00%) Management Information System
9 3 (3.75%) PKI
10 1 (1.25%) Cloud Native
10 1 (1.25%) iPad
10 1 (1.25%) Self-Motivation
10 1 (1.25%) Video Conferencing
Operating Systems
1 48 (60.00%) Windows
2 44 (55.00%) Linux
3 41 (51.25%) Windows Server
4 9 (11.25%) CentOS
5 8 (10.00%) Windows Server 2012
5 8 (10.00%) Windows Server 2019
6 7 (8.75%) Windows Server 2008
7 4 (5.00%) Windows 10
8 2 (2.50%) Mac OS
8 2 (2.50%) Unix
8 2 (2.50%) Windows Server 2016
9 1 (1.25%) Apple iOS
9 1 (1.25%) Ubuntu
9 1 (1.25%) zOS
Processes & Methodologies
1 34 (42.50%) DevOps
2 33 (41.25%) High Availability
3 32 (40.00%) Load Balancing
4 29 (36.25%) Infrastructure Engineering
5 26 (32.50%) Migration
6 21 (26.25%) Disaster Recovery
7 17 (21.25%) Network Virtualisation
8 16 (20.00%) Storage Management
9 15 (18.75%) Infrastructure Transformation
10 14 (17.50%) Infrastructure as Code
11 12 (15.00%) Problem-Solving
12 11 (13.75%) Microservices
13 10 (12.50%) Data Science
14 9 (11.25%) Performance Tuning
14 9 (11.25%) Security Patching
15 7 (8.75%) Configuration Management
15 7 (8.75%) Customer Requirements
15 7 (8.75%) ITIL
15 7 (8.75%) Mentoring
16 6 (7.50%) GitOps
Programming Languages
1 46 (57.50%) PowerShell
2 23 (28.75%) Python
2 23 (28.75%) SQL
3 11 (13.75%) Bash Shell
4 3 (3.75%) T-SQL
5 2 (2.50%) VB
6 1 (1.25%) C#
6 1 (1.25%) Shell Script
Qualifications
1 8 (10.00%) Microsoft Certification
2 5 (6.25%) MCP
2 5 (6.25%) Microsoft Certified Architect
3 3 (3.75%) SC Cleared
3 3 (3.75%) Security Cleared
4 2 (2.50%) CISM
4 2 (2.50%) CISSP
5 1 (1.25%) CCNA
5 1 (1.25%) Cisco Certification
5 1 (1.25%) Degree
5 1 (1.25%) ITIL Certification
5 1 (1.25%) MCSA
5 1 (1.25%) MCSE
Quality Assurance & Compliance
1 8 (10.00%) SLA
2 2 (2.50%) QA
3 1 (1.25%) Cyber Essentials
3 1 (1.25%) Cyber Essentials PLUS
3 1 (1.25%) ISO/IEC 27001
System Software
1 38 (47.50%) Active Directory
2 27 (33.75%) Hyper-V
3 25 (31.25%) VMware Infrastructure
4 17 (21.25%) Virtual Machines
5 16 (20.00%) VMware NSX
6 15 (18.75%) VMware ESXi
7 9 (11.25%) iptables
8 3 (3.75%) pfSense
9 2 (2.50%) Terminal Server
9 2 (2.50%) vSphere
10 1 (1.25%) Docker
10 1 (1.25%) XenApp
10 1 (1.25%) XenDesktop
Systems Management
1 22 (27.50%) SCCM
2 21 (26.25%) Ansible
3 14 (17.50%) Terraform
4 13 (16.25%) Kubernetes
5 11 (13.75%) Grafana
5 11 (13.75%) Microsoft Intune
5 11 (13.75%) Prometheus
6 9 (11.25%) Microsoft Clustering
6 9 (11.25%) Puppet
7 6 (7.50%) Active Directory Federation Services
7 6 (7.50%) Consul
7 6 (7.50%) Rancher
8 3 (3.75%) Microsoft Data Protection Manager
8 3 (3.75%) SCOM
9 2 (2.50%) McAfee ePO
9 2 (2.50%) Norton AntiVirus
9 2 (2.50%) SCDPM
9 2 (2.50%) Single Sign-On
10 1 (1.25%) Jamf Pro
10 1 (1.25%) SCSM
Vendors
1 47 (58.75%) Microsoft
2 34 (42.50%) VMware
3 17 (21.25%) NetApp
4 16 (20.00%) EMC
5 11 (13.75%) Cisco
6 9 (11.25%) Atlassian
6 9 (11.25%) Dell
6 9 (11.25%) Red Hat
7 5 (6.25%) HP
8 4 (5.00%) MikroTik
8 4 (5.00%) Sophos
8 4 (5.00%) Ubiquiti
8 4 (5.00%) WatchGuard
9 3 (3.75%) 3PAR
9 3 (3.75%) Apple
9 3 (3.75%) Citrix
9 3 (3.75%) Google
10 2 (2.50%) CheckPoint
10 2 (2.50%) IBM
10 2 (2.50%) Symantec