Period
to 16 April 2021

The following table provides summary statistics for permanent job vacancies advertised in the City of 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 16 April 2021 with a comparison to the same period in the previous 2 years.

Failover Clustering (High-Availability, HA)
Central London > City of London
6 months to
16 Apr 2021
Same period 2020 Same period 2019
Rank 222 289 326
Rank change year-on-year +67 +37 +1
Permanent jobs citing Failover Clustering 11 1 7
As % of all permanent jobs advertised in the City of London 0.22% 0.012% 0.069%
As % of the Systems Management category 0.99% 0.074% 0.50%
Number of salaries quoted 7 1 6
Median annual salary (50th Percentile) £45,000 £55,000 £48,500
Median % change year-on-year -18.18% +13.40% -11.82%
Central London median annual salary £55,000 £65,000 £57,500
% change year-on-year -15.38% +13.04% +4.55%

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 the City of London with a requirement for systems management skills.

All Systems Management Skills
City of London
Permanent vacancies with a requirement for systems management skills 1,115 1,357 1,402
As % of all permanent IT jobs advertised in the City of London 22.74% 16.17% 13.75%
Number of salaries quoted 1,008 1,209 1,280
10th Percentile £50,000 £45,600 £42,500
25th Percentile £62,500 £57,500 £52,500
Median annual salary (50th Percentile) £80,000 £72,500 £70,000
Median % change year-on-year +10.34% +3.57% +12.00%
75th Percentile £95,000 £90,000 £85,000
90th Percentile £108,750 £108,750 £100,000
Central London median annual salary £77,500 £74,000 £67,500
% change year-on-year +4.73% +9.63% +11.57%

Failover Clustering
Job Vacancy Trend in the City of London

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

Job vacancy trend for Failover Clustering in the City of London

Failover Clustering
Salary Trend in the City of London

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

Salary trend for Failover Clustering in the City of London

Failover Clustering
Salary Histogram in the City of London

Salary distribution for jobs citing Failover Clustering in the City of London over the 6 months to 16 April 2021.

Salary histogram for Failover Clustering in the City of London

For the 6 months to 16 April 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 across the City of London region with a requirement for Failover Clustering.

1 11 (100.00%) Microsoft
1 11 (100.00%) Azure
1 11 (100.00%) High Availability
2 10 (90.91%) AWS
2 10 (90.91%) Active Directory
2 10 (90.91%) PowerShell
3 9 (81.82%) Web Services
4 7 (63.64%) DevOps
5 6 (54.55%) AWS CloudFormation
5 6 (54.55%) Continuous Delivery
5 6 (54.55%) Opscode Chef
5 6 (54.55%) Amazon Redshift
5 6 (54.55%) Amazon EC2
5 6 (54.55%) Amazon S3
5 6 (54.55%) SaaS
5 6 (54.55%) Puppet
5 6 (54.55%) Azure SQL Database
5 6 (54.55%) Jenkins
5 6 (54.55%) Amazon RDS
5 6 (54.55%) Azure Active Directory
5 6 (54.55%) AWS Lambda
5 6 (54.55%) Azure Data Factory
5 6 (54.55%) Serverless
5 6 (54.55%) Deployment Automation
5 6 (54.55%) Azure Functions
5 6 (54.55%) Infrastructure as Code
5 6 (54.55%) C#
5 6 (54.55%) SQL
5 6 (54.55%) Python
5 6 (54.55%) Configuration Management

Failover Clustering
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 4 (36.36%) SharePoint
Applications
1 4 (36.36%) Microsoft Office
Cloud Services
1 11 (100.00%) Azure
2 10 (90.91%) AWS
3 6 (54.55%) Amazon EC2
3 6 (54.55%) Amazon S3
3 6 (54.55%) AWS CloudFormation
3 6 (54.55%) AWS Lambda
3 6 (54.55%) Azure Active Directory
3 6 (54.55%) Azure Data Factory
3 6 (54.55%) Azure Functions
3 6 (54.55%) SaaS
3 6 (54.55%) Serverless
4 4 (36.36%) Microsoft 365
5 1 (9.09%) Amazon ECS
5 1 (9.09%) AWS Fargate
Communications & Networking
1 4 (36.36%) DHCP
1 4 (36.36%) DNS
1 4 (36.36%) Firewall
1 4 (36.36%) iSCSI
1 4 (36.36%) NAS
1 4 (36.36%) Network Security
1 4 (36.36%) VPN
Database & Business Intelligence
1 6 (54.55%) Amazon RDS
1 6 (54.55%) Amazon Redshift
1 6 (54.55%) Azure SQL Database
1 6 (54.55%) PostgreSQL
2 1 (9.09%) Data Warehouse
2 1 (9.09%) SQL Server
Development Applications
1 6 (54.55%) Jenkins
1 6 (54.55%) TeamCity
2 4 (36.36%) JIRA
3 1 (9.09%) Team Foundation Server
Job Titles
1 4 (36.36%) Cisco Engineer
1 4 (36.36%) DevOps Engineer
1 4 (36.36%) Linux Engineer
1 4 (36.36%) VMware Engineer
1 4 (36.36%) Windows Engineer
2 3 (27.27%) AWS DevOps
2 3 (27.27%) Azure Engineer
2 3 (27.27%) Cisco Support
2 3 (27.27%) Cisco Support Engineer
2 3 (27.27%) Linux Support
2 3 (27.27%) Linux Support Engineer
2 3 (27.27%) Senior Cisco Engineer
2 3 (27.27%) Senior Cisco Support
2 3 (27.27%) Senior Linux Engineer
2 3 (27.27%) Senior Linux Support
2 3 (27.27%) Senior Support Engineer
2 3 (27.27%) Senior VMware Engineer
2 3 (27.27%) Senior Windows Engineer
2 3 (27.27%) VMware Support Engineer
2 3 (27.27%) Windows Support Engineer
Libraries, Frameworks & Software Standards
1 9 (81.82%) Web Services
Miscellaneous
1 4 (36.36%) Clustering
1 4 (36.36%) Replication
Operating Systems
1 4 (36.36%) Linux
1 4 (36.36%) Mac OS
1 4 (36.36%) Ubuntu
1 4 (36.36%) Windows
1 4 (36.36%) Windows 10
1 4 (36.36%) Windows Server
1 4 (36.36%) Windows Server 2008
Processes & Methodologies
1 11 (100.00%) High Availability
2 7 (63.64%) DevOps
3 6 (54.55%) Configuration Management
3 6 (54.55%) Continuous Delivery
3 6 (54.55%) Continuous Integration
3 6 (54.55%) Deployment Automation
3 6 (54.55%) Infrastructure as Code
4 5 (45.45%) Information Security
5 4 (36.36%) ITIL
6 1 (9.09%) Cybersecurity
6 1 (9.09%) Database Optimisation
6 1 (9.09%) Database Security
6 1 (9.09%) Infrastructure Engineering
6 1 (9.09%) Migration
6 1 (9.09%) Performance Tuning
6 1 (9.09%) Software Engineering
Programming Languages
1 10 (90.91%) PowerShell
2 6 (54.55%) C#
2 6 (54.55%) Python
2 6 (54.55%) Ruby
2 6 (54.55%) SQL
Qualifications
1 4 (36.36%) CCNA
1 4 (36.36%) Cisco Certification
1 4 (36.36%) ITIL Certification
2 3 (27.27%) CCNP
3 1 (9.09%) Microsoft Certification
Quality Assurance & Compliance
1 6 (54.55%) QA
2 3 (27.27%) Cyber Essentials
2 3 (27.27%) Cyber Essentials PLUS
2 3 (27.27%) ISO/IEC 27001
System Software
1 10 (90.91%) Active Directory
2 4 (36.36%) Hyper-V
2 4 (36.36%) VMware Infrastructure
Systems Management
1 6 (54.55%) Opscode Chef
1 6 (54.55%) Puppet
2 4 (36.36%) Microsoft Data Protection Manager
2 4 (36.36%) Microsoft Intune
2 4 (36.36%) SCDPM
3 1 (9.09%) Kubernetes
3 1 (9.09%) Terraform
Vendors
1 11 (100.00%) Microsoft
2 4 (36.36%) Aruba
2 4 (36.36%) Barracuda Networks
2 4 (36.36%) Cisco
2 4 (36.36%) HP
2 4 (36.36%) Synology
2 4 (36.36%) VMware