Period
to 15 November 2018

The table below looks at the prevalence of the term Clustering in permanent job vacancies advertised in England. Included is a benchmarking guide to the salaries offered in vacancies that have cited Clustering over the 6 months to 15 November 2018 with a comparison to the same period over the previous 2 years.

Clustering
UK > England
6 months to
15 Nov 2018
Same period 2017 Same period 2016
Rank 489 418 399
Rank change year-on-year -71 -19 -80
Permanent jobs citing Clustering 837 1,255 1,428
As % of all permanent IT jobs advertised in England 0.55% 0.74% 0.79%
As % of the Miscellaneous category 1.24% 1.66% 1.87%
Number of salaries quoted 676 1,082 1,186
England median annual salary £52,500 £50,000 £50,000
Median salary % change year-on-year +5.00% - -
10th Percentile £33,813 £34,000 £32,750
90th Percentile £82,500 £77,500 £71,250
UK median annual salary £52,500 £50,000 £50,000
% change year-on-year +5.00% - +2.04%

Clustering is in the Generic IT Skills category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in England with a requirement for generic IT skills.

All Generic IT Skills
England
Permanent vacancies with a requirement for generic IT skills 67,356 75,502 76,566
As % of all permanent IT jobs advertised in England 44.41% 44.61% 42.46%
Number of salaries quoted 52,731 57,306 63,549
England median annual salary £52,500 £50,000 £50,000
Median salary % change year-on-year +5.00% - +5.26%
10th Percentile £28,750 £27,500 £27,500
90th Percentile £87,500 £82,500 £80,000
UK median annual salary £52,500 £50,000 £50,000
% change year-on-year +5.00% - +5.26%

Clustering
Job Vacancy Trend in England

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

Job vacancy trend for Clustering in England

Clustering
Salary Trend in England

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

Salary trend for Clustering in England

Clustering
Salary Histogram in England

The salary distribution of IT jobs citing Clustering in England over the 6 months to 15 November 2018.

Salary histogram for Clustering in England

Clustering
Job Locations in England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Clustering within the England region over the 6 months to 15 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
London -63 398 £60,000 - 35
South East -99 145 £50,000 +5.26% 33
North of England -15 115 £41,548 +1.34% 22
Midlands +14 102 £42,500 +6.25% 10
North West +47 73 £44,500 +4.71% 15
East Midlands +9 52 £35,000 -12.50% 5
West Midlands +23 49 £43,250 +8.13% 5
South West +24 48 £42,750 +0.59% 8
Yorkshire -14 39 £35,000 -14.11% 6
East of England +13 28 £55,000 +17.02% 4
North East -21 3 £43,028 +7.57% 1
Clustering
UK

For the 6 months to 15 November 2018, IT jobs citing 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 England region with a requirement for Clustering.

1 434 (51.85%) Windows
2 422 (50.42%) SQL
3 416 (49.70%) SQL Server
4 339 (40.50%) Microsoft
5 295 (35.24%) VMware
6 281 (33.57%) Windows Server
7 279 (33.33%) Active Directory
8 242 (28.91%) Linux
9 238 (28.43%) High Availability
10 226 (27.00%) Microsoft Azure
11 191 (22.82%) Finance
12 186 (22.22%) Replication
13 171 (20.43%) VMware Infrastructure
14 168 (20.07%) ITIL
15 155 (18.52%) DNS
16 150 (17.92%) Performance Tuning
17 146 (17.44%) Oracle
18 145 (17.32%) Hyper-V
19 144 (17.20%) Disaster Recovery
20 140 (16.73%) SAN
20 140 (16.73%) Microsoft Clustering
21 139 (16.61%) Windows Server 2008
21 139 (16.61%) SQL Server Integration Services
22 137 (16.37%) T-SQL
22 137 (16.37%) Windows Server 2012
23 131 (15.65%) PowerShell
24 129 (15.41%) SQL Server Reporting Services
25 124 (14.81%) Amazon AWS
26 122 (14.58%) DHCP
27 116 (13.86%) Citrix

Clustering
Co-occurring IT Skills in England 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 86 (10.27%) MS Exchange
2 74 (8.84%) IIS
3 67 (8.00%) SharePoint
4 37 (4.42%) Exchange Server 2010
5 29 (3.46%) Skype for Business
6 22 (2.63%) Apache
7 20 (2.39%) Exchange Server 2013
8 19 (2.27%) Confluence
8 19 (2.27%) Exchange Server 2007
8 19 (2.27%) Tomcat
9 17 (2.03%) Elasticsearch
10 14 (1.67%) Oracle Application Server
11 13 (1.55%) nginx
12 12 (1.43%) SharePoint 2013
13 11 (1.31%) Exchange Server 2003
14 10 (1.19%) CMS
14 10 (1.19%) OpenStack
15 9 (1.08%) BizTalk Server
16 8 (0.96%) SAS
17 6 (0.72%) SharePoint 2010
Applications
1 26 (3.11%) Microsoft Office
2 10 (1.19%) MS Visio
3 7 (0.84%) Microsoft Excel
4 1 (0.12%) InfoPath
4 1 (0.12%) Microsoft PowerPoint
Business Applications
1 4 (0.48%) Dynamics CRM
2 3 (0.36%) Infor M3
3 2 (0.24%) Payment Gateway
3 2 (0.24%) Temenos T24
4 1 (0.12%) Distributed Ledger
4 1 (0.12%) Siebel Analytics
Cloud Services
1 226 (27.00%) Microsoft Azure
2 124 (14.81%) Amazon AWS
3 93 (11.11%) Office 365
4 52 (6.21%) IaaS
5 34 (4.06%) Google Cloud Platform
6 31 (3.70%) Azure Active Directory
7 23 (2.75%) Amazon EC2
7 23 (2.75%) Amazon ELB
7 23 (2.75%) SaaS
8 22 (2.63%) AWS CloudFormation
9 21 (2.51%) Cloud Computing
10 20 (2.39%) PaaS
11 18 (2.15%) GitHub
12 12 (1.43%) Amazon EMR
12 12 (1.43%) Amazon S3
13 11 (1.31%) Amazon ElastiCache
13 11 (1.31%) Route 53
14 7 (0.84%) Amazon Kinesis
14 7 (0.84%) Cloudflare
15 6 (0.72%) Mimecast
Communications & Networking
1 155 (18.52%) DNS
2 140 (16.73%) SAN
3 122 (14.58%) DHCP
4 102 (12.19%) TCP/IP
5 94 (11.23%) Firewall
6 65 (7.77%) WAN
7 54 (6.45%) VLAN
8 53 (6.33%) VPN
9 51 (6.09%) LAN
10 46 (5.50%) NAS
11 42 (5.02%) Internet
12 28 (3.35%) Remote Desktop
13 25 (2.99%) Wireless
14 23 (2.75%) Unified Communications
15 20 (2.39%) Network Security
15 20 (2.39%) Skype
16 19 (2.27%) HTTP
16 19 (2.27%) VoIP
17 18 (2.15%) IPsec
18 16 (1.91%) MPLS
Database & Business Intelligence
1 416 (49.70%) SQL Server
2 139 (16.61%) SQL Server Integration Services
3 129 (15.41%) SQL Server Reporting Services
4 103 (12.31%) SQL Server 2008
5 94 (11.23%) MySQL
6 90 (10.75%) SQL Server 2014
7 89 (10.63%) SQL Server 2012
8 80 (9.56%) SQL Server Analysis Services
9 74 (8.84%) SQL Server 2016
10 71 (8.48%) Oracle Database
11 62 (7.41%) Relational Database
12 58 (6.93%) Data Warehouse
13 45 (5.38%) PostgreSQL
14 41 (4.90%) RDBMS
15 40 (4.78%) NoSQL
16 32 (3.82%) Amazon RDS
16 32 (3.82%) MongoDB
17 28 (3.35%) Big Data
18 26 (3.11%) Hadoop
19 21 (2.51%) Microsoft Analysis Services
Development Applications
1 25 (2.99%) Jenkins
2 24 (2.87%) Git (software)
3 21 (2.51%) TeamCity
4 20 (2.39%) JIRA
5 17 (2.03%) Octopus Deploy
5 17 (2.03%) Subversion
6 12 (1.43%) Team Foundation Server
7 11 (1.31%) Visual Studio
8 6 (0.72%) Visual Studio Team System
9 5 (0.60%) Atlassian Bamboo
9 5 (0.60%) Maven
10 3 (0.36%) Bitbucket
10 3 (0.36%) git-flow
10 3 (0.36%) Introscope
10 3 (0.36%) Travis CI
10 3 (0.36%) webpack
11 2 (0.24%) JMeter
11 2 (0.24%) Mercurial
11 2 (0.24%) Mocha
11 2 (0.24%) Xdebug
General
1 191 (22.82%) Finance
2 58 (6.93%) Banking
3 31 (3.70%) Retail
4 26 (3.11%) Marketing
5 21 (2.51%) Telecoms
6 19 (2.27%) Manufacturing
7 13 (1.55%) Advertising
7 13 (1.55%) Legal
8 11 (1.31%) Electronics
9 10 (1.19%) Publishing
10 8 (0.96%) Law
11 6 (0.72%) Aerospace
11 6 (0.72%) Military
12 5 (0.60%) Billing
13 3 (0.36%) Financial Institution
14 2 (0.24%) Games
14 2 (0.24%) Multimedia
15 1 (0.12%) German Language
15 1 (0.12%) Spanish Language
Job Titles
1 300 (35.84%) DBA
2 244 (29.15%) SQL DBA
3 190 (22.70%) Administrator
4 120 (14.34%) SQL Server DBA
5 91 (10.87%) Infrastructure Engineer
6 52 (6.21%) Support Engineer
7 50 (5.97%) 3rd Line Engineer
8 47 (5.62%) Senior DBA
9 40 (4.78%) Systems Administrator
10 38 (4.54%) Architect
10 38 (4.54%) Systems Engineer
11 34 (4.06%) Analyst
11 34 (4.06%) Senior SQL DBA
12 32 (3.82%) IT Engineer
13 31 (3.70%) DevOps Engineer
14 30 (3.58%) 3rd Line Support
14 30 (3.58%) Infrastructure Support
14 30 (3.58%) Oracle DBA
15 29 (3.46%) Linux Engineer
16 27 (3.23%) Technical Engineer
Libraries, Frameworks & Software Standards
1 32 (3.82%) Web Services
2 30 (3.58%) .NET
3 28 (3.35%) RabbitMQ
4 19 (2.27%) HTML
5 17 (2.03%) Kafka
6 15 (1.79%) Ajax
6 15 (1.79%) Elastic Stack
6 15 (1.79%) LAMP
6 15 (1.79%) REST
7 14 (1.67%) ASP.NET
8 12 (1.43%) ActiveMQ
8 12 (1.43%) LEMP Stack
9 11 (1.31%) .NET Framework
9 11 (1.31%) Flash
10 10 (1.19%) J2EE
10 10 (1.19%) LDAP
10 10 (1.19%) SOAP
11 9 (1.08%) Memcached
11 9 (1.08%) WCF
11 9 (1.08%) XMPP
Miscellaneous
1 186 (22.22%) Replication
2 101 (12.07%) Data Centre
3 41 (4.90%) Analytical Skills
4 35 (4.18%) Computer Science
5 20 (2.39%) PKI
6 18 (2.15%) Hybrid Cloud
7 16 (1.91%) Self-Motivation
8 15 (1.79%) Management Information System
9 14 (1.67%) Client/Server
10 13 (1.55%) Linux Command Line
11 12 (1.43%) Private Cloud
11 12 (1.43%) Public Cloud
12 11 (1.31%) EMC VNX
12 11 (1.31%) Hedge funds
13 9 (1.08%) Enterprise Storage
13 9 (1.08%) HACMP
14 8 (0.96%) Driving Licence
14 8 (0.96%) Fintech
15 7 (0.84%) Greenfield Project
15 7 (0.84%) N-Tier
Operating Systems
1 434 (51.85%) Windows
2 281 (33.57%) Windows Server
3 242 (28.91%) Linux
4 139 (16.61%) Windows Server 2008
5 137 (16.37%) Windows Server 2012
6 102 (12.19%) Red Hat Enterprise Linux
7 65 (7.77%) Unix
8 53 (6.33%) Windows Server 2003
9 39 (4.66%) Windows 10
10 38 (4.54%) CentOS
11 31 (3.70%) Solaris
12 30 (3.58%) Ubuntu
13 25 (2.99%) Windows 7
14 18 (2.15%) Oracle Linux
15 16 (1.91%) Windows 8
16 12 (1.43%) AIX
17 11 (1.31%) SUSE
18 5 (0.60%) FreeBSD
19 4 (0.48%) OpenBSD
19 4 (0.48%) Windows 2000
Processes & Methodologies
1 238 (28.43%) High Availability
2 168 (20.07%) ITIL
3 150 (17.92%) Performance Tuning
4 144 (17.20%) Disaster Recovery
5 110 (13.14%) Infrastructure Engineering
6 107 (12.78%) Migration
7 99 (11.83%) DevOps
8 93 (11.11%) Agile Software Development
9 91 (10.87%) Load Balancing
10 73 (8.72%) Problem-Solving
11 71 (8.48%) Capacity Planning
12 70 (8.36%) Business Intelligence
13 52 (6.21%) Network Load Balancing
13 52 (6.21%) Patch Management
14 47 (5.62%) Configuration Management
14 47 (5.62%) Service Management
15 45 (5.38%) Database Security
16 44 (5.26%) Continuous Integration
17 42 (5.02%) Runbook
18 41 (4.90%) Performance Optimisation
Programming Languages
1 422 (50.42%) SQL
2 137 (16.37%) T-SQL
3 131 (15.65%) PowerShell
4 100 (11.95%) Python
5 64 (7.65%) Java
6 44 (5.26%) Bash Shell
7 36 (4.30%) C#
8 35 (4.18%) JavaScript
9 27 (3.23%) Perl
10 26 (3.11%) Ruby
11 22 (2.63%) PL/SQL
12 21 (2.51%) Go
13 18 (2.15%) Shell Script
14 16 (1.91%) VBScript
15 12 (1.43%) PHP
16 10 (1.19%) Korn
16 10 (1.19%) VB
17 7 (0.84%) Bourne shell
17 7 (0.84%) Scala
18 3 (0.36%) Haskell
Qualifications
1 81 (9.68%) Microsoft Certification
2 64 (7.65%) Degree
3 57 (6.81%) MCSE
4 51 (6.09%) VMware Certified Professional (VCP)
5 47 (5.62%) Cisco Certification
6 41 (4.90%) Security Cleared
7 35 (4.18%) MCSA
8 34 (4.06%) SC Cleared
9 30 (3.58%) CCNA
10 25 (2.99%) CCNP
11 17 (2.03%) Citrix Certification
11 17 (2.03%) Computer Science Degree
11 17 (2.03%) RHCE
12 16 (1.91%) MCITP
13 13 (1.55%) AWS Certification
13 13 (1.55%) ITIL Certification
14 12 (1.43%) MCP
15 9 (1.08%) CCIE
15 9 (1.08%) CCVP
16 8 (0.96%) VCP5
Quality Assurance & Compliance
1 27 (3.23%) SLA
2 23 (2.75%) QA
3 18 (2.15%) ISO/IEC 27001
4 15 (1.79%) GDPR
5 8 (0.96%) PMO
6 7 (0.84%) PCI DSS
7 4 (0.48%) Data Quality
8 3 (0.36%) COBIT
9 2 (0.24%) TickIT
10 1 (0.12%) Cyber Essentials
10 1 (0.12%) HIPAA
10 1 (0.12%) ISO/IEC 20000
10 1 (0.12%) Sarbanes-Oxley
System Software
1 279 (33.33%) Active Directory
2 171 (20.43%) VMware Infrastructure
3 145 (17.32%) Hyper-V
4 58 (6.93%) Docker
5 36 (4.30%) XenApp
6 31 (3.70%) VMware ESXi
6 31 (3.70%) vSphere
7 29 (3.46%) Oracle RAC
8 25 (2.99%) XenDesktop
9 19 (2.27%) Virtual Machines
10 18 (2.15%) Virtual Servers
11 15 (1.79%) DFS Replication
12 11 (1.31%) Firmware
12 11 (1.31%) Veritas Cluster Server
13 10 (1.19%) Microsoft App-V
14 9 (1.08%) GPFS
14 9 (1.08%) Postfix
14 9 (1.08%) Terminal Services
15 6 (0.72%) KVM
15 6 (0.72%) Oracle Clusterware
Systems Management
1 140 (16.73%) Microsoft Clustering
2 76 (9.08%) Failover Clustering
3 64 (7.65%) Ansible
4 62 (7.41%) SCCM
5 59 (7.05%) SCOM
6 57 (6.81%) Opscode Chef
7 39 (4.66%) Puppet
8 38 (4.54%) Nagios
9 26 (3.11%) Kubernetes
10 25 (2.99%) Terraform
11 22 (2.63%) Data Guard
12 19 (2.27%) WSUS
13 17 (2.03%) Prometheus
14 16 (1.91%) vCenter Server
15 15 (1.79%) Docker Swarm
16 12 (1.43%) SCOrch
16 12 (1.43%) ZABBIX
17 11 (1.31%) AirWatch
17 11 (1.31%) Kibana
17 11 (1.31%) logstash
Vendors
1 339 (40.50%) Microsoft
2 295 (35.24%) VMware
3 146 (17.44%) Oracle
4 116 (13.86%) Citrix
5 106 (12.66%) Cisco
6 96 (11.47%) Red Hat
7 66 (7.89%) HP
8 64 (7.65%) SolarWinds
9 26 (3.11%) Google
9 26 (3.11%) Symantec
10 24 (2.87%) IBM
11 23 (2.75%) CommVault
11 23 (2.75%) Veeam
12 21 (2.51%) Veritas
13 20 (2.39%) NetApp
13 20 (2.39%) SAP
14 19 (2.27%) EMC
15 17 (2.03%) Dell
16 16 (1.91%) Nimble Storage
17 12 (1.43%) 3PAR