Period
to 22 September 2018

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 September 2018 with a comparison to the same period in the previous 2 years.

Failover Clustering (High-Availability, HA)
England > London
6 months to
22 Sep 2018
Same period 2017 Same period 2016
Rank 704 785 785
Rank change year-on-year +81 0 +41
Permanent jobs citing Failover Clustering 112 67 100
As % of all permanent IT jobs advertised in London 0.16% 0.089% 0.13%
As % of the Systems Management category 1.36% 0.87% 1.24%
Number of salaries quoted 99 60 94
London median annual salary £60,000 £45,000 £50,000
Median salary % change year-on-year +33.33% -10.00% -20.00%
10th Percentile £48,500 £36,250 £31,250
90th Percentile £77,500 £67,500 £79,250
England median annual salary £55,000 £45,000 £45,000
% change year-on-year +22.22% - -

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 8,254 7,714 8,073
As % of all permanent IT jobs advertised in London 12.07% 10.30% 10.22%
Number of salaries quoted 6,760 6,360 6,981
London median annual salary £65,000 £62,500 £57,500
Median salary % change year-on-year +4.00% +8.70% +4.55%
10th Percentile £38,750 £36,250 £36,250
90th Percentile £93,750 £90,000 £85,000
England median annual salary £55,000 £52,500 £50,000
% change year-on-year +4.76% +5.00% +2.04%

Failover Clustering
Job Vacancy Trend in London

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

Job vacancy trend for Failover Clustering in London

Failover Clustering
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Failover Clustering in London.

Salary trend for Failover Clustering in London

Failover Clustering
Salary Histogram in London

The salary distribution of IT jobs citing Failover Clustering in London over the 6 months to 22 September 2018.

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 September 2018. 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
Central London +6 25 £70,000 +40.00% 2
South London - 11 £63,750 -
East London -6 1 - - 1
North London - 1 £70,000 -
Failover Clustering
England

For the 6 months to 22 September 2018, 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 94 (83.93%) Windows
2 83 (74.11%) Microsoft
3 76 (67.86%) Microsoft Azure
4 75 (66.96%) Active Directory
5 70 (62.50%) Clustering
6 62 (55.36%) SQL Server
7 59 (52.68%) Windows Server
8 52 (46.43%) SQL
9 48 (42.86%) Infrastructure Engineering
10 46 (41.07%) VMware
11 37 (33.04%) Disaster Recovery
12 34 (30.36%) ITIL
13 30 (26.79%) IIS
13 30 (26.79%) PowerShell
13 30 (26.79%) High Availability
14 28 (25.00%) Office 365
14 28 (25.00%) Microsoft Certification
15 27 (24.11%) T-SQL
16 26 (23.21%) MCSE
17 25 (22.32%) Hyper-V
18 24 (21.43%) VMware Infrastructure
18 24 (21.43%) MCSA
18 24 (21.43%) DHCP
19 23 (20.54%) VPN
19 23 (20.54%) Linux
20 22 (19.64%) SQL Server 2016
21 21 (18.75%) MS Exchange
22 20 (17.86%) DevOps
23 19 (16.96%) Firewall
23 19 (16.96%) PostgreSQL

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 30 (26.79%) IIS
2 21 (18.75%) MS Exchange
3 15 (13.39%) nginx
4 10 (8.93%) Exchange Server 2010
4 10 (8.93%) SharePoint
5 7 (6.25%) Exchange Server 2013
6 3 (2.68%) Skype for Business
7 2 (1.79%) BizTalk Server
7 2 (1.79%) Confluence
Applications
1 4 (3.57%) Microsoft Office
Cloud Services
1 76 (67.86%) Microsoft Azure
2 28 (25.00%) Office 365
3 16 (14.29%) Azure Active Directory
4 15 (13.39%) SaaS
5 8 (7.14%) Amazon AWS
5 8 (7.14%) PaaS
6 7 (6.25%) IaaS
7 3 (2.68%) Amazon CloudWatch
7 3 (2.68%) Mailgun
8 2 (1.79%) Amazon EC2
8 2 (1.79%) Amazon S3
8 2 (1.79%) AWS CloudFormation
8 2 (1.79%) AWS Lambda
8 2 (1.79%) Azure Data Factory
8 2 (1.79%) Azure Functions
8 2 (1.79%) Serverless
9 1 (0.89%) Cloud Computing
Communications & Networking
1 24 (21.43%) DHCP
2 23 (20.54%) VPN
3 19 (16.96%) Firewall
4 17 (15.18%) DNS
5 16 (14.29%) SAN
6 7 (6.25%) Network Security
6 7 (6.25%) Remote Desktop
7 5 (4.46%) Skype
8 4 (3.57%) VLAN
9 3 (2.68%) Cisco Firepower
9 3 (2.68%) iSCSI
9 3 (2.68%) Unified Communications
9 3 (2.68%) WAN
9 3 (2.68%) X.509
10 1 (0.89%) Cisco ASA
10 1 (0.89%) DMZ
10 1 (0.89%) Internet
10 1 (0.89%) LAN
10 1 (0.89%) NetScaler
10 1 (0.89%) Wi-Fi
Database & Business Intelligence
1 62 (55.36%) SQL Server
2 22 (19.64%) SQL Server 2016
3 19 (16.96%) PostgreSQL
4 15 (13.39%) MySQL
5 12 (10.71%) SQL Server 2012
6 10 (8.93%) SQL Server Integration Services
7 8 (7.14%) SQL Server 2008
7 8 (7.14%) SQL Server 2014
8 7 (6.25%) SQL Server Reporting Services
9 5 (4.46%) Amazon RDS
9 5 (4.46%) Azure SQL Database
9 5 (4.46%) Data Warehouse
9 5 (4.46%) MongoDB
10 3 (2.68%) Crystal Reports
10 3 (2.68%) Microsoft Analysis Services
10 3 (2.68%) Relational Database
10 3 (2.68%) SQL Server Analysis Services
11 2 (1.79%) Amazon Redshift
11 2 (1.79%) NoSQL
11 2 (1.79%) SQL Server 2005
Development Applications
1 7 (6.25%) Team Foundation Server
1 7 (6.25%) TeamCity
2 3 (2.68%) Atlassian Bamboo
2 3 (2.68%) Bitbucket
2 3 (2.68%) Octopus Deploy
3 2 (1.79%) Jenkins
3 2 (1.79%) Visual Studio
3 2 (1.79%) Visual Studio Team System
General
1 12 (10.71%) Billing
1 12 (10.71%) Retail
2 6 (5.36%) Finance
3 5 (4.46%) Marketing
4 2 (1.79%) Law
5 1 (0.89%) Games
Job Titles
1 45 (40.18%) Infrastructure Engineer
2 33 (29.46%) DBA
2 33 (29.46%) SQL DBA
3 29 (25.89%) Azure Engineer
4 20 (17.86%) Microsoft Engineer
5 19 (16.96%) Microsoft Infrastructure Engineer
6 17 (15.18%) Senior DBA
6 17 (15.18%) Senior SQL DBA
7 16 (14.29%) Administrator
8 14 (12.50%) DevOps Engineer
9 13 (11.61%) SQL Server DBA
10 11 (9.82%) Systems Engineer
11 10 (8.93%) Consultant
12 9 (8.04%) Azure Consultant
12 9 (8.04%) Cloud Engineer
12 9 (8.04%) Senior Infrastructure Engineer
13 8 (7.14%) Cloud Infrastructure Engineer
13 8 (7.14%) Technical Consultant
14 7 (6.25%) 3rd Line Engineer
14 7 (6.25%) 3rd Line Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 3 (2.68%) .NET
1 3 (2.68%) .NET Core
1 3 (2.68%) RabbitMQ
2 2 (1.79%) Web Services
Miscellaneous
1 70 (62.50%) Clustering
2 13 (11.61%) Self-Motivation
3 12 (10.71%) Mobile Payment
3 12 (10.71%) Replication
4 7 (6.25%) Analytical Skills
4 7 (6.25%) Fintech
5 6 (5.36%) Data Centre
6 3 (2.68%) Media Streaming
6 3 (2.68%) PKI
6 3 (2.68%) Private Cloud
7 2 (1.79%) Linux Command Line
Operating Systems
1 94 (83.93%) Windows
2 59 (52.68%) Windows Server
3 23 (20.54%) Linux
4 14 (12.50%) Windows Server 2012
5 13 (11.61%) Windows Server 2008
6 12 (10.71%) Mac OS
7 4 (3.57%) CentOS
8 3 (2.68%) OpenBSD
8 3 (2.68%) Ubuntu
8 3 (2.68%) Windows 10
9 2 (1.79%) Red Hat Enterprise Linux
9 2 (1.79%) Unix
9 2 (1.79%) Windows Server 2003
Processes & Methodologies
1 48 (42.86%) Infrastructure Engineering
2 37 (33.04%) Disaster Recovery
3 34 (30.36%) ITIL
4 30 (26.79%) High Availability
5 20 (17.86%) DevOps
6 18 (16.07%) Problem-Solving
7 17 (15.18%) Database Security
8 14 (12.50%) ITIL V3
8 14 (12.50%) Load Balancing
8 14 (12.50%) Migration
9 12 (10.71%) Data Security
9 12 (10.71%) Performance Tuning
10 9 (8.04%) Agile Software Development
10 9 (8.04%) Database Mirroring
10 9 (8.04%) Strategic Planning
11 8 (7.14%) Scrum
11 8 (7.14%) Service Management
12 7 (6.25%) Information Security
12 7 (6.25%) Network Virtualisation
13 5 (4.46%) Logistics
Programming Languages
1 52 (46.43%) SQL
2 30 (26.79%) PowerShell
3 27 (24.11%) T-SQL
4 10 (8.93%) Python
5 5 (4.46%) C#
6 4 (3.57%) Bash Shell
7 2 (1.79%) Ruby
Qualifications
1 28 (25.00%) Microsoft Certification
2 26 (23.21%) MCSE
3 24 (21.43%) MCSA
4 12 (10.71%) MCITP
5 3 (2.68%) VMware Certified Professional (VCP)
6 2 (1.79%) ITIL Certification
6 2 (1.79%) VCP6
7 1 (0.89%) Degree
7 1 (0.89%) MCP
Quality Assurance & Compliance
1 4 (3.57%) QA
2 2 (1.79%) ISO/IEC 20000
2 2 (1.79%) ISO/IEC 27001
3 1 (0.89%) GDPR
3 1 (0.89%) PCI DSS
System Software
1 75 (66.96%) Active Directory
2 25 (22.32%) Hyper-V
3 24 (21.43%) VMware Infrastructure
4 7 (6.25%) VMware ESXi
5 5 (4.46%) XenApp
6 3 (2.68%) Docker
6 3 (2.68%) vSphere
6 3 (2.68%) XenDesktop
7 2 (1.79%) DFS Replication
8 1 (0.89%) Squid
8 1 (0.89%) Terminal Services
8 1 (0.89%) Virtual Machines
Systems Management
1 12 (10.71%) Puppet
2 10 (8.93%) Microsoft Clustering
2 10 (8.93%) SCOM
3 9 (8.04%) SCCM
4 4 (3.57%) Ansible
4 4 (3.57%) ZABBIX
5 2 (1.79%) HP SIM
5 2 (1.79%) Opscode Chef
5 2 (1.79%) Perfmon
6 1 (0.89%) SCOrch
6 1 (0.89%) vCenter Server
6 1 (0.89%) WSUS
Vendors
1 83 (74.11%) Microsoft
2 46 (41.07%) VMware
3 17 (15.18%) Splunk
4 16 (14.29%) Veeam
5 8 (7.14%) Citrix
6 7 (6.25%) Cisco
7 5 (4.46%) HP
8 3 (2.68%) Dell
8 3 (2.68%) F5
8 3 (2.68%) Rackspace
9 2 (1.79%) EqualLogic
9 2 (1.79%) IBM
9 2 (1.79%) Ivanti
9 2 (1.79%) RedGate
9 2 (1.79%) SolarWinds
9 2 (1.79%) Sun