Period
to 22 January 2022

The following table provides summary statistics for permanent job vacancies advertised in London 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 22 January 2022 with a comparison to the same period in the previous 2 years.

Failover Clustering (High-Availability, HA)
England > London
6 months to
22 Jan 2022
Same period 2021 Same period 2020
Rank 693 474 696
Rank change year-on-year -219 +222 +14
Permanent jobs citing Failover Clustering 41 37 19
As % of all permanent jobs advertised in London 0.080% 0.15% 0.037%
As % of the Systems Management category 0.41% 0.78% 0.23%
Number of salaries quoted 36 30 18
10th Percentile £53,125 £51,750 £42,375
25th Percentile £57,500 £61,250 £48,000
Median annual salary (50th Percentile) £80,000 £70,000 £53,000
Median % change year-on-year +14.29% +32.08% -11.67%
75th Percentile £100,000 £80,125 £64,375
90th Percentile - £81,025 £70,000
England median annual salary £60,000 £55,000 £50,000
% change year-on-year +9.09% +10.00% -9.09%

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 advertised in London with a requirement for systems management skills.

All Systems Management Skills
London
Permanent vacancies with a requirement for systems management skills 10,034 4,716 8,104
As % of all permanent IT jobs advertised in London 19.65% 19.62% 15.79%
Number of salaries quoted 6,180 4,007 6,326
10th Percentile £46,700 £47,500 £40,000
25th Percentile £60,000 £58,750 £52,500
Median annual salary (50th Percentile) £80,000 £72,500 £70,000
Median % change year-on-year +10.34% +3.57% +3.70%
75th Percentile £100,000 £88,750 £87,500
90th Percentile £118,750 £107,500 £102,500
England median annual salary £70,000 £62,500 £60,000
% change year-on-year +12.00% +4.17% +4.35%

Failover Clustering
Job Vacancy Trend in London

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

Job vacancy trend for Failover Clustering in London

Failover Clustering
Salary Trend in London

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

Salary trend for Failover Clustering in London

Failover Clustering
Salary Histogram in London

Salary distribution for jobs citing Failover Clustering in London over the 6 months to 22 January 2022.

Salary histogram for Failover Clustering in London

Failover Clustering
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Failover Clustering within the London region over the 6 months to 22 January 2022. 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
Jobs
South London -22 1 £70,000 +8.65%
Central London -43 1 £55,000 -
Failover Clustering
England

For the 6 months to 22 January 2022, 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 across the London region with a requirement for Failover Clustering.

1 29 (70.73%) VMware
2 27 (65.85%) Clustering
2 27 (65.85%) Linux
2 27 (65.85%) AWS
3 25 (60.98%) Python
3 25 (60.98%) Ansible
4 24 (58.54%) Disaster Recovery
5 23 (56.10%) High Availability
6 22 (53.66%) VMware Infrastructure
7 19 (46.34%) PowerShell
8 18 (43.90%) SQL
9 17 (41.46%) Firewall
9 17 (41.46%) Load Balancing
10 16 (39.02%) Azure
10 16 (39.02%) DHCP
10 16 (39.02%) DNS
10 16 (39.02%) Terraform
11 15 (36.59%) DevOps
11 15 (36.59%) Active Directory
11 15 (36.59%) Red Hat
12 14 (34.15%) Windows
12 14 (34.15%) Git (software)
12 14 (34.15%) nginx
12 14 (34.15%) Kubernetes
12 14 (34.15%) Windows Server
12 14 (34.15%) LEMP Stack
12 14 (34.15%) CI/CD
13 13 (31.71%) Infrastructure as Code
13 13 (31.71%) AWS CloudFormation
13 13 (31.71%) Microservices

Failover Clustering
Co-occurring IT Skills in 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 14 (34.15%) nginx
2 12 (29.27%) Traefik
3 8 (19.51%) IIS
4 7 (17.07%) Elasticsearch
5 5 (12.20%) MS Exchange
6 4 (9.76%) JBoss
7 2 (4.88%) Apache
7 2 (4.88%) Confluence
8 1 (2.44%) Apache Spark
8 1 (2.44%) SharePoint
8 1 (2.44%) Tomcat
Cloud Services
1 27 (65.85%) AWS
2 16 (39.02%) Azure
3 13 (31.71%) AWS CloudFormation
4 12 (29.27%) Amazon CloudWatch
4 12 (29.27%) Amazon EKS
4 12 (29.27%) Amazon SQS
5 11 (26.83%) Amazon EC2
5 11 (26.83%) Microsoft 365
6 7 (17.07%) AWS Direct Connect
7 6 (14.63%) Azure Active Directory
7 6 (14.63%) IaaS
7 6 (14.63%) OneDrive
7 6 (14.63%) PaaS
7 6 (14.63%) SaaS
8 5 (12.20%) Dynamics 365
8 5 (12.20%) Mimecast
8 5 (12.20%) Power Platform
9 1 (2.44%) GitHub
9 1 (2.44%) Yammer
Communications & Networking
1 17 (41.46%) Firewall
2 16 (39.02%) DHCP
2 16 (39.02%) DNS
3 12 (29.27%) HTTP
4 11 (26.83%) VPN
5 9 (21.95%) Broadband
5 9 (21.95%) SSL
6 7 (17.07%) BGP
6 7 (17.07%) IPsec
6 7 (17.07%) IPv6
6 7 (17.07%) LAN
6 7 (17.07%) Network Security
6 7 (17.07%) OSPF
6 7 (17.07%) SNMP
6 7 (17.07%) WAN
7 5 (12.20%) NAS
7 5 (12.20%) SAN
8 4 (9.76%) Kerberos
8 4 (9.76%) VLAN
9 2 (4.88%) Remote Desktop
Database & Business Intelligence
1 12 (29.27%) Amazon DynamoDB
1 12 (29.27%) Event Store
1 12 (29.27%) MongoDB
1 12 (29.27%) MySQL
1 12 (29.27%) NoSQL
1 12 (29.27%) Redis
2 11 (26.83%) MariaDB
2 11 (26.83%) PostgreSQL
3 7 (17.07%) SQL Server
4 5 (12.20%) Azure SQL Database
4 5 (12.20%) Power BI
5 1 (2.44%) Hadoop
Development Applications
1 14 (34.15%) Git (software)
2 13 (31.71%) Jenkins
2 13 (31.71%) Octopus Deploy
3 12 (29.27%) git-flow
4 2 (4.88%) JIRA
5 1 (2.44%) TeamCity
General
1 8 (19.51%) Finance
2 6 (14.63%) Social Skills
3 5 (12.20%) Analytical Skills
Job Titles
1 13 (31.71%) DevOps Engineer
2 12 (29.27%) AWS DevOps
2 12 (29.27%) AWS DevOps Engineer
2 12 (29.27%) AWS Engineer
3 6 (14.63%) Cloud Engineer
3 6 (14.63%) Linux Engineer
4 5 (12.20%) Azure Engineer
4 5 (12.20%) Infrastructure Engineer
4 5 (12.20%) Systems Engineer
5 4 (9.76%) Azure Infrastructure Engineer
5 4 (9.76%) Senior Infrastructure Engineer
6 2 (4.88%) IT Engineer
6 2 (4.88%) Linux Systems Engineer
7 1 (2.44%) Azure DevOps
7 1 (2.44%) Azure DevOps Engineer
7 1 (2.44%) Environment And Release Manager
7 1 (2.44%) Product Owner
7 1 (2.44%) Release Manager
7 1 (2.44%) Senior Systems Engineer
7 1 (2.44%) Team Leader
Libraries, Frameworks & Software Standards
1 14 (34.15%) LEMP Stack
2 12 (29.27%) ActiveMQ
2 12 (29.27%) Elastic Stack
2 12 (29.27%) RabbitMQ
3 2 (4.88%) LAMP
3 2 (4.88%) LAPP Stack
4 1 (2.44%) Kafka
4 1 (2.44%) Web Services
Miscellaneous
1 27 (65.85%) Clustering
2 7 (17.07%) Data Centre
3 6 (14.63%) Hedge funds
3 6 (14.63%) Smartphone
4 5 (12.20%) Mobile App
5 2 (4.88%) Management Information System
6 1 (2.44%) Hybrid Cloud
Operating Systems
1 27 (65.85%) Linux
2 14 (34.15%) Windows
2 14 (34.15%) Windows Server
3 11 (26.83%) CentOS
4 10 (24.39%) Windows 10
5 4 (9.76%) Red Hat Enterprise Linux
6 3 (7.32%) Windows Server 2012
Processes & Methodologies
1 24 (58.54%) Disaster Recovery
2 23 (56.10%) High Availability
3 17 (41.46%) Load Balancing
4 15 (36.59%) DevOps
5 14 (34.15%) CI/CD
6 13 (31.71%) Infrastructure as Code
6 13 (31.71%) Microservices
7 12 (29.27%) GitOps
7 12 (29.27%) Infrastructure Engineering
7 12 (29.27%) Migration
7 12 (29.27%) Project Management
8 11 (26.83%) Project Delivery
8 11 (26.83%) Security Patching
9 9 (21.95%) Business Continuity
10 8 (19.51%) Agile Software Development
10 8 (19.51%) Business Continuity Planning
10 8 (19.51%) ITIL
11 7 (17.07%) Network Monitoring
11 7 (17.07%) PRINCE2
12 6 (14.63%) Low Latency
Programming Languages
1 25 (60.98%) Python
2 19 (46.34%) PowerShell
3 18 (43.90%) SQL
4 13 (31.71%) Bash
5 1 (2.44%) T-SQL
Qualifications
1 8 (19.51%) Degree
System Software
1 22 (53.66%) VMware Infrastructure
2 15 (36.59%) Active Directory
3 7 (17.07%) VMware ESXi
4 5 (12.20%) Hyper-V
4 5 (12.20%) Microsoft Virtual Server
4 5 (12.20%) Virtual Servers
5 4 (9.76%) iptables
6 2 (4.88%) Docker
6 2 (4.88%) vSphere
Systems Management
1 25 (60.98%) Ansible
2 16 (39.02%) Terraform
3 14 (34.15%) Kubernetes
4 12 (29.27%) Consul
4 12 (29.27%) Grafana
4 12 (29.27%) Prometheus
4 12 (29.27%) Rancher
5 9 (21.95%) Microsoft Intune
6 7 (17.07%) Icinga
6 7 (17.07%) Nagios
6 7 (17.07%) SCCM
6 7 (17.07%) ZABBIX
7 5 (12.20%) WSUS
8 4 (9.76%) Red Hat Satellite
9 3 (7.32%) Puppet
10 2 (4.88%) vMotion
Vendors
1 29 (70.73%) VMware
2 15 (36.59%) Red Hat
3 11 (26.83%) Cisco
3 11 (26.83%) Microsoft
4 7 (17.07%) Huawei
4 7 (17.07%) Nokia
4 7 (17.07%) SolarWinds
5 5 (12.20%) arcserve
5 5 (12.20%) Dell
5 5 (12.20%) EqualLogic
5 5 (12.20%) Forcepoint
5 5 (12.20%) Meraki
5 5 (12.20%) Sophos
5 5 (12.20%) Veeam
6 4 (9.76%) Cognizant
7 2 (4.88%) Atlassian
7 2 (4.88%) Google