Period
to 20 November 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 20 November 2018 with a comparison to the same period in the previous 2 years.

Failover Clustering (High-Availability, HA)
England > London
6 months to
20 Nov 2018
Same period 2017 Same period 2016
Rank 711 818 769
Rank change year-on-year +107 -49 +50
Permanent jobs citing Failover Clustering 83 30 87
As % of all permanent IT jobs advertised in London 0.12% 0.040% 0.12%
As % of the Systems Management category 0.97% 0.39% 1.12%
Number of salaries quoted 72 30 82
London median annual salary £65,000 £45,000 £48,750
Median salary % change year-on-year +44.44% -7.69% -15.22%
10th Percentile £46,375 £36,250 £30,125
90th Percentile £75,000 £67,500 £80,000
England median annual salary £55,000 £40,430 £43,349
% change year-on-year +36.04% -6.73% -3.67%

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 8,596 7,723 7,754
As % of all permanent IT jobs advertised in London 12.76% 10.27% 10.36%
Number of salaries quoted 6,926 6,429 6,643
London median annual salary £65,000 £62,500 £60,000
Median salary % change year-on-year +4.00% +4.17% +9.09%
10th Percentile £37,500 £37,500 £36,250
90th Percentile £95,000 £90,000 £85,000
England median annual salary £55,000 £54,000 £50,000
% change year-on-year +1.85% +8.00% -

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 20 November 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 20 November 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 +9 9 £60,000 - 1
South London - 8 £65,000 - 1
East London - 5 £70,000 - 1
West London - 3 £55,000 - 1
North London - 2 £65,000 - 1
Failover Clustering
England

For the 6 months to 20 November 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 68 (81.93%) Windows
2 60 (72.29%) Microsoft
3 56 (67.47%) Clustering
4 55 (66.27%) SQL Server
5 51 (61.45%) Active Directory
5 51 (61.45%) Windows Server
6 48 (57.83%) Microsoft Azure
7 42 (50.60%) SQL
8 34 (40.96%) Firewall
9 32 (38.55%) SQL Server 2016
10 31 (37.35%) VMware
11 29 (34.94%) Infrastructure Engineering
12 28 (33.73%) Disaster Recovery
13 27 (32.53%) PowerShell
14 26 (31.33%) High Availability
15 25 (30.12%) T-SQL
15 25 (30.12%) DHCP
16 24 (28.92%) IIS
17 23 (27.71%) DNS
17 23 (27.71%) Migration
17 23 (27.71%) Office 365
18 19 (22.89%) Microsoft Certification
19 18 (21.69%) ITIL
20 17 (20.48%) MCSE
20 17 (20.48%) Windows Server 2012
20 17 (20.48%) VMware Infrastructure
21 16 (19.28%) SQL Server 2012
21 16 (19.28%) Replication
22 15 (18.07%) MCSA
22 15 (18.07%) VPN

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 24 (28.92%) IIS
2 10 (12.05%) Tomcat
3 8 (9.64%) SharePoint
4 6 (7.23%) Apache
5 5 (6.02%) BizTalk Server
5 5 (6.02%) Confluence
6 4 (4.82%) MS Exchange
7 3 (3.61%) nginx
8 2 (2.41%) Exchange Server 2010
9 1 (1.20%) Exchange Server 2013
9 1 (1.20%) Skype for Business
Applications
1 8 (9.64%) Microsoft Office
Cloud Services
1 48 (57.83%) Microsoft Azure
2 23 (27.71%) Office 365
3 14 (16.87%) Azure Active Directory
4 11 (13.25%) Amazon AWS
5 8 (9.64%) SaaS
6 5 (6.02%) Amazon EC2
6 5 (6.02%) Amazon S3
6 5 (6.02%) Virtual Private Cloud
7 4 (4.82%) Cloud Computing
8 3 (3.61%) Amazon CloudWatch
8 3 (3.61%) Mailgun
9 2 (2.41%) IaaS
9 2 (2.41%) PaaS
10 1 (1.20%) Mimecast
Communications & Networking
1 34 (40.96%) Firewall
2 25 (30.12%) DHCP
3 23 (27.71%) DNS
4 15 (18.07%) VPN
5 14 (16.87%) VLAN
6 13 (15.66%) SAN
7 9 (10.84%) iSCSI
7 9 (10.84%) WAN
8 8 (9.64%) Cisco ASA
9 6 (7.23%) LAN
10 5 (6.02%) Fibre Channel
10 5 (6.02%) Multicast
10 5 (6.02%) SSH
10 5 (6.02%) VoIP
11 3 (3.61%) Cisco Firepower
11 3 (3.61%) X.509
12 2 (2.41%) Reverse Proxy
12 2 (2.41%) Unified Communications
12 2 (2.41%) WLAN
13 1 (1.20%) DMZ
Database & Business Intelligence
1 55 (66.27%) SQL Server
2 32 (38.55%) SQL Server 2016
3 16 (19.28%) SQL Server 2012
4 13 (15.66%) SQL Server 2014
5 9 (10.84%) SQL Server 2008
5 9 (10.84%) SQL Server Integration Services
6 8 (9.64%) Amazon RDS
7 5 (6.02%) MongoDB
7 5 (6.02%) PostgreSQL
7 5 (6.02%) SQL Server Reporting Services
8 4 (4.82%) MySQL
8 4 (4.82%) NoSQL
9 3 (3.61%) Azure SQL Database
9 3 (3.61%) Data Warehouse
9 3 (3.61%) Microsoft Analysis Services
9 3 (3.61%) Relational Database
9 3 (3.61%) SQL Server Analysis Services
10 2 (2.41%) Amazon DynamoDB
10 2 (2.41%) SQL Server 2005
11 1 (1.20%) SSDT
Development Applications
1 6 (7.23%) Team Foundation Server
2 5 (6.02%) TeamCity
2 5 (6.02%) Visual Studio
2 5 (6.02%) Visual Studio Team System
3 4 (4.82%) Maven
4 3 (3.61%) Atlassian Bamboo
4 3 (3.61%) Bitbucket
4 3 (3.61%) Octopus Deploy
General
1 8 (9.64%) Finance
1 8 (9.64%) Retail
2 5 (6.02%) Marketing
3 2 (2.41%) Law
4 1 (1.20%) Games
Job Titles
1 29 (34.94%) DBA
1 29 (34.94%) SQL DBA
2 27 (32.53%) Infrastructure Engineer
3 16 (19.28%) Administrator
3 16 (19.28%) Microsoft Engineer
4 14 (16.87%) Azure Engineer
4 14 (16.87%) Microsoft Infrastructure Engineer
4 14 (16.87%) Senior DBA
4 14 (16.87%) Senior SQL DBA
5 13 (15.66%) SQL Server DBA
6 7 (8.43%) 3rd Line Engineer
6 7 (8.43%) 3rd Line Infrastructure Engineer
6 7 (8.43%) DevOps Engineer
7 5 (6.02%) Consultant
8 4 (4.82%) Applications Support
8 4 (4.82%) Operations Engineer
8 4 (4.82%) Project Engineer
8 4 (4.82%) Support Engineer
8 4 (4.82%) Systems Engineer
8 4 (4.82%) VMware Engineer
Libraries, Frameworks & Software Standards
1 7 (8.43%) .NET
2 5 (6.02%) Web Services
3 4 (4.82%) Apache CXF
3 4 (4.82%) RESTful
3 4 (4.82%) SOAP
3 4 (4.82%) WCF
4 3 (3.61%) .NET Core
4 3 (3.61%) RabbitMQ
Miscellaneous
1 56 (67.47%) Clustering
2 16 (19.28%) Replication
3 15 (18.07%) Data Centre
4 7 (8.43%) Self-Motivation
5 5 (6.02%) Derivative
5 5 (6.02%) Fintech
6 3 (3.61%) Media Streaming
6 3 (3.61%) PKI
6 3 (3.61%) Private Cloud
7 2 (2.41%) CMDB
7 2 (2.41%) Hybrid Cloud
7 2 (2.41%) Public Cloud
8 1 (1.20%) EMC VNX
Operating Systems
1 68 (81.93%) Windows
2 51 (61.45%) Windows Server
3 17 (20.48%) Windows Server 2012
4 14 (16.87%) Linux
5 10 (12.05%) CentOS
6 7 (8.43%) Windows Server 2008
7 6 (7.23%) Windows 10
8 5 (6.02%) Data ONTAP
8 5 (6.02%) Ubuntu
9 3 (3.61%) OpenBSD
9 3 (3.61%) Red Hat Enterprise Linux
9 3 (3.61%) Windows Server 2003
10 2 (2.41%) Windows 7
11 1 (1.20%) Apple iOS
11 1 (1.20%) Unix
Processes & Methodologies
1 29 (34.94%) Infrastructure Engineering
2 28 (33.73%) Disaster Recovery
3 26 (31.33%) High Availability
4 23 (27.71%) Migration
5 18 (21.69%) ITIL
6 15 (18.07%) Database Security
7 14 (16.87%) Load Balancing
8 12 (14.46%) Performance Tuning
9 9 (10.84%) Agile Software Development
10 8 (9.64%) Data Centre Operations
10 8 (9.64%) Problem Management
10 8 (9.64%) Scrum
11 7 (8.43%) Database Mirroring
11 7 (8.43%) DevOps
12 6 (7.23%) BCP
12 6 (7.23%) Server Virtualisation
13 5 (6.02%) Configuration Management
13 5 (6.02%) Contract Negotiation
13 5 (6.02%) Problem-Solving
13 5 (6.02%) Task Automation
Programming Languages
1 42 (50.60%) SQL
2 27 (32.53%) PowerShell
3 25 (30.12%) T-SQL
4 8 (9.64%) Python
5 7 (8.43%) C#
6 4 (4.82%) Bash Shell
6 4 (4.82%) Java
Qualifications
1 19 (22.89%) Microsoft Certification
2 17 (20.48%) MCSE
3 15 (18.07%) MCSA
4 5 (6.02%) CCNA
4 5 (6.02%) Cisco Certification
4 5 (6.02%) ITIL Certification
5 3 (3.61%) MCITP
5 3 (3.61%) MCP
5 3 (3.61%) VCP6
5 3 (3.61%) VMware Certified Professional (VCP)
6 1 (1.20%) Degree
Quality Assurance & Compliance
1 5 (6.02%) QA
2 1 (1.20%) Cyber Essentials
2 1 (1.20%) GDPR
2 1 (1.20%) HIPAA
2 1 (1.20%) ISO/IEC 27001
2 1 (1.20%) PCI DSS
System Software
1 51 (61.45%) Active Directory
2 17 (20.48%) VMware Infrastructure
3 13 (15.66%) Hyper-V
3 13 (15.66%) VMware ESXi
4 5 (6.02%) NFS
4 5 (6.02%) Virtual Machines
4 5 (6.02%) VMFS
4 5 (6.02%) vSphere
5 4 (4.82%) DFS Replication
5 4 (4.82%) XenApp
6 3 (3.61%) Docker
6 3 (3.61%) Terminal Services
6 3 (3.61%) XenDesktop
Systems Management
1 9 (10.84%) Microsoft Clustering
2 6 (7.23%) Nagios
2 6 (7.23%) SCOM
3 5 (6.02%) Ansible
3 5 (6.02%) vCenter Server
4 4 (4.82%) WSUS
4 4 (4.82%) ZABBIX
5 3 (3.61%) Backup Exec
5 3 (3.61%) SCCM
6 2 (2.41%) Perfmon
6 2 (2.41%) SCVMM
6 2 (2.41%) vRealize
7 1 (1.20%) Opscode Chef
7 1 (1.20%) Puppet
Vendors
1 60 (72.29%) Microsoft
2 31 (37.35%) VMware
3 14 (16.87%) Cisco
4 13 (15.66%) Veeam
5 9 (10.84%) Dell
6 8 (9.64%) EMC
6 8 (9.64%) HP
6 8 (9.64%) NetApp
7 7 (8.43%) EqualLogic
7 7 (8.43%) Red Hat
7 7 (8.43%) RedGate
7 7 (8.43%) SolarWinds
8 6 (7.23%) Citrix
8 6 (7.23%) Splunk
9 5 (6.02%) Avaya
9 5 (6.02%) Brocade
9 5 (6.02%) IBM
9 5 (6.02%) Symantec
9 5 (6.02%) WatchGuard
10 3 (3.61%) Ivanti