Period
to 17 January 2019

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 17 January 2019 with a comparison to the same period over the previous 2 years.

Clustering
UK > England
6 months to
17 Jan 2019
Same period 2018 Same period 2017
Rank 476 432 396
Rank change year-on-year -44 -36 -55
Permanent jobs citing Clustering 831 1,157 1,285
As % of all permanent IT jobs advertised in England 0.59% 0.71% 0.77%
As % of the Miscellaneous category 1.41% 1.75% 1.92%
Number of salaries quoted 710 1,011 1,063
England median annual salary £50,250 £50,000 £50,000
Median salary % change year-on-year +0.50% - -
10th Percentile £34,950 £33,500 £32,500
90th Percentile £80,475 £77,500 £71,850
UK median annual salary £50,000 £50,000 £50,000

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 59,070 66,177 66,816
As % of all permanent IT jobs advertised in England 42.03% 40.80% 39.79%
Number of salaries quoted 45,690 51,306 54,970
England median annual salary £55,000 £50,000 £50,000
Median salary % change year-on-year +10.00% - -
10th Percentile £30,000 £28,500 £27,500
90th Percentile £87,500 £82,500 £81,250
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 17 January 2019.

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 17 January 2019. 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 -24 390 £60,000 - 45
South East -63 159 £47,500 - 20
North of England -9 106 £40,000 - 17
Midlands +19 102 £43,250 +1.76% 8
North West +40 67 £41,595 -3.83% 10
West Midlands +38 57 £43,250 +3.90% 5
South West +8 45 £52,500 +5.00% 10
East Midlands +5 45 £32,500 -23.53% 3
Yorkshire -15 33 £35,000 -6.67% 6
East of England -6 22 £70,000 +48.94% 10
North East -2 7 £40,000 +3.23% 1
Clustering
UK

For the 6 months to 17 January 2019, 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.

1 491 (59.09%) Windows
2 397 (47.77%) SQL
3 379 (45.61%) Microsoft
4 357 (42.96%) SQL Server
5 334 (40.19%) VMware
6 332 (39.95%) Windows Server
7 296 (35.62%) Active Directory
8 262 (31.53%) Linux
9 238 (28.64%) High Availability
10 228 (27.44%) Microsoft Azure
11 199 (23.95%) VMware Infrastructure
12 182 (21.90%) DNS
13 178 (21.42%) Windows Server 2008
14 175 (21.06%) Finance
15 170 (20.46%) Windows Server 2012
16 161 (19.37%) Hyper-V
17 154 (18.53%) Replication
18 152 (18.29%) Cisco
18 152 (18.29%) Microsoft Clustering
19 148 (17.81%) PowerShell
20 147 (17.69%) ITIL
20 147 (17.69%) Disaster Recovery
21 142 (17.09%) DHCP
22 135 (16.25%) SQL Server Integration Services
23 132 (15.88%) Oracle
24 130 (15.64%) SQL Server Reporting Services
25 127 (15.28%) SAN
26 126 (15.16%) Firewall
26 126 (15.16%) Amazon AWS
26 126 (15.16%) Infrastructure Engineering

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
1 108 (13.00%) MS Exchange
2 86 (10.35%) IIS
3 63 (7.58%) SharePoint
4 34 (4.09%) Exchange Server 2010
5 30 (3.61%) Exchange Server 2013
5 30 (3.61%) Tomcat
6 26 (3.13%) Skype for Business
7 21 (2.53%) Exchange Server 2007
8 19 (2.29%) Elasticsearch
9 16 (1.93%) Apache
10 13 (1.56%) CMS
11 12 (1.44%) Confluence
12 11 (1.32%) Exchange Server 2003
12 11 (1.32%) SharePoint 2013
13 10 (1.20%) BizTalk Server
13 10 (1.20%) nginx
14 8 (0.96%) OpenStack
14 8 (0.96%) Oracle Application Server
15 7 (0.84%) SAS
16 4 (0.48%) Cloud Foundry
Applications
1 22 (2.65%) Microsoft Office
2 7 (0.84%) Microsoft Excel
2 7 (0.84%) MS Visio
3 2 (0.24%) Microsoft PowerPoint
4 1 (0.12%) InfoPath
Business Applications
1 3 (0.36%) Infor M3
2 2 (0.24%) Dynamics CRM
3 1 (0.12%) Siebel Analytics
Cloud Services
1 228 (27.44%) Microsoft Azure
2 126 (15.16%) Amazon AWS
3 102 (12.27%) Office 365
4 48 (5.78%) IaaS
5 43 (5.17%) Azure Active Directory
6 40 (4.81%) Google Cloud Platform
7 33 (3.97%) SaaS
8 21 (2.53%) Cloud Computing
9 20 (2.41%) Amazon EC2
9 20 (2.41%) Amazon ELB
10 19 (2.29%) PaaS
11 15 (1.81%) Amazon EMR
11 15 (1.81%) Amazon S3
11 15 (1.81%) AWS CloudFormation
12 8 (0.96%) GitHub
13 7 (0.84%) Amazon Kinesis
13 7 (0.84%) Cloudflare
14 6 (0.72%) Mimecast
15 5 (0.60%) Amazon ElastiCache
15 5 (0.60%) Route 53
Communications & Networking
1 182 (21.90%) DNS
2 142 (17.09%) DHCP
3 127 (15.28%) SAN
4 126 (15.16%) Firewall
5 101 (12.15%) TCP/IP
6 92 (11.07%) WAN
7 85 (10.23%) VLAN
8 72 (8.66%) LAN
9 48 (5.78%) VPN
10 47 (5.66%) Internet
11 36 (4.33%) Wireless
12 34 (4.09%) Network Security
13 32 (3.85%) iSCSI
14 30 (3.61%) MPLS
15 29 (3.49%) NAS
15 29 (3.49%) Unified Communications
15 29 (3.49%) VoIP
16 26 (3.13%) NetScaler
17 23 (2.77%) Cisco Nexus
18 22 (2.65%) IPsec
Database & Business Intelligence
1 357 (42.96%) SQL Server
2 135 (16.25%) SQL Server Integration Services
3 130 (15.64%) SQL Server Reporting Services
4 107 (12.88%) MySQL
5 98 (11.79%) SQL Server 2008
6 87 (10.47%) SQL Server Analysis Services
7 86 (10.35%) SQL Server 2012
7 86 (10.35%) SQL Server 2014
8 77 (9.27%) SQL Server 2016
9 63 (7.58%) Relational Database
10 59 (7.10%) Data Warehouse
11 54 (6.50%) MongoDB
11 54 (6.50%) PostgreSQL
12 53 (6.38%) NoSQL
13 49 (5.90%) Amazon RDS
14 40 (4.81%) RDBMS
15 38 (4.57%) Oracle Database
16 35 (4.21%) Big Data
17 32 (3.85%) Hadoop
18 26 (3.13%) SQL Server 2005
Development Applications
1 26 (3.13%) Git (software)
2 24 (2.89%) Jenkins
3 18 (2.17%) TeamCity
4 17 (2.05%) Subversion
5 15 (1.81%) Octopus Deploy
6 14 (1.68%) Visual Studio
7 13 (1.56%) Team Foundation Server
8 10 (1.20%) JIRA
9 8 (0.96%) Maven
10 7 (0.84%) Visual Studio Team System
11 6 (0.72%) Atlassian Bamboo
12 3 (0.36%) Eclipse
12 3 (0.36%) git-flow
12 3 (0.36%) Sonatype Nexus
12 3 (0.36%) Travis CI
13 2 (0.24%) Cucumber
13 2 (0.24%) JMeter
13 2 (0.24%) Mercurial
13 2 (0.24%) Xdebug
14 1 (0.12%) Hudson
General
1 175 (21.06%) Finance
2 57 (6.86%) Banking
3 30 (3.61%) Retail
4 18 (2.17%) Marketing
4 18 (2.17%) Telecoms
5 17 (2.05%) Legal
6 13 (1.56%) Manufacturing
7 12 (1.44%) Advertising
8 7 (0.84%) Billing
8 7 (0.84%) Electronics
9 6 (0.72%) Publishing
10 5 (0.60%) Financial Institution
10 5 (0.60%) Law
11 4 (0.48%) Military
11 4 (0.48%) Spanish Language
12 3 (0.36%) Aerospace
12 3 (0.36%) Games
13 2 (0.24%) Back Office
14 1 (0.12%) Automotive
14 1 (0.12%) German Language
Job Titles
1 262 (31.53%) DBA
2 222 (26.71%) SQL DBA
3 174 (20.94%) Administrator
4 107 (12.88%) Infrastructure Engineer
5 93 (11.19%) SQL Server DBA
6 67 (8.06%) Analyst
7 55 (6.62%) 3rd Line Engineer
8 43 (5.17%) Architect
9 40 (4.81%) Systems Administrator
10 39 (4.69%) Systems Engineer
11 38 (4.57%) Senior DBA
11 38 (4.57%) Support Engineer
12 35 (4.21%) Developer
13 34 (4.09%) Senior SQL DBA
14 33 (3.97%) 3rd Line Support
15 32 (3.85%) IT Engineer
16 31 (3.73%) Infrastructure Support
17 30 (3.61%) DevOps Engineer
18 29 (3.49%) Microsoft Engineer
19 28 (3.37%) 3rd Line Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 31 (3.73%) RabbitMQ
2 29 (3.49%) Web Services
3 24 (2.89%) .NET
4 22 (2.65%) Kafka
4 22 (2.65%) LDAP
5 15 (1.81%) ActiveMQ
6 14 (1.68%) JSON
7 13 (1.56%) XMPP
8 12 (1.44%) RESTful
9 10 (1.20%) ADSI
9 10 (1.20%) ASP.NET
9 10 (1.20%) Spring
9 10 (1.20%) WSH
10 9 (1.08%) Memcached
10 9 (1.08%) Middleware
11 8 (0.96%) Elastic Stack
11 8 (0.96%) HTML
11 8 (0.96%) JDBC
11 8 (0.96%) LEMP Stack
12 7 (0.84%) 802.1X
Miscellaneous
1 154 (18.53%) Replication
2 120 (14.44%) Data Centre
3 40 (4.81%) Analytical Skills
4 36 (4.33%) PKI
5 28 (3.37%) Self-Motivation
6 24 (2.89%) EMC VNX
7 21 (2.53%) Enterprise Storage
8 16 (1.93%) Linux Command Line
9 15 (1.81%) Management Information System
10 14 (1.68%) HACMP
11 13 (1.56%) Fat Client
11 13 (1.56%) Hybrid Cloud
11 13 (1.56%) Thin Client
12 11 (1.32%) Client/Server
13 10 (1.20%) Driving Licence
13 10 (1.20%) Hedge funds
13 10 (1.20%) Public Cloud
14 9 (1.08%) Fintech
14 9 (1.08%) N-Tier
14 9 (1.08%) Private Cloud
Operating Systems
1 491 (59.09%) Windows
2 332 (39.95%) Windows Server
3 262 (31.53%) Linux
4 178 (21.42%) Windows Server 2008
5 170 (20.46%) Windows Server 2012
6 97 (11.67%) Red Hat Enterprise Linux
7 70 (8.42%) Unix
8 66 (7.94%) Windows Server 2003
9 36 (4.33%) Windows 10
10 32 (3.85%) AIX
11 31 (3.73%) Solaris
12 30 (3.61%) CentOS
12 30 (3.61%) Ubuntu
12 30 (3.61%) Windows 7
13 16 (1.93%) Windows 8
14 10 (1.20%) FreeBSD
14 10 (1.20%) Oracle Linux
15 7 (0.84%) Windows 2000
16 6 (0.72%) SUSE
17 3 (0.36%) Debian
Processes & Methodologies
1 238 (28.64%) High Availability
2 147 (17.69%) Disaster Recovery
2 147 (17.69%) ITIL
3 126 (15.16%) Infrastructure Engineering
4 112 (13.48%) Performance Tuning
5 106 (12.76%) Load Balancing
6 102 (12.27%) DevOps
7 94 (11.31%) Agile Software Development
8 80 (9.63%) Problem-Solving
9 78 (9.39%) Migration
10 70 (8.42%) Business Intelligence
11 59 (7.10%) Capacity Planning
11 59 (7.10%) Change Management
12 52 (6.26%) Service Management
13 50 (6.02%) Network Load Balancing
14 48 (5.78%) Change Control
14 48 (5.78%) Patch Management
15 47 (5.66%) Configuration Management
15 47 (5.66%) Mentoring
16 45 (5.42%) Problem Management
Programming Languages
1 397 (47.77%) SQL
2 148 (17.81%) PowerShell
3 111 (13.36%) T-SQL
4 92 (11.07%) Python
5 60 (7.22%) Java
6 37 (4.45%) Bash Shell
7 33 (3.97%) C#
7 33 (3.97%) Ruby
8 31 (3.73%) JavaScript
8 31 (3.73%) VBScript
9 24 (2.89%) Perl
10 23 (2.77%) Go
11 20 (2.41%) Shell Script
12 16 (1.93%) PL/SQL
13 13 (1.56%) VB
14 9 (1.08%) Java 8
14 9 (1.08%) PHP
15 7 (0.84%) Korn
16 6 (0.72%) Bourne shell
16 6 (0.72%) C
Qualifications
1 100 (12.03%) Microsoft Certification
2 65 (7.82%) Cisco Certification
3 62 (7.46%) MCSE
3 62 (7.46%) VMware Certified Professional (VCP)
4 54 (6.50%) Degree
5 46 (5.54%) MCSA
6 39 (4.69%) CCNA
7 37 (4.45%) CCNP
8 30 (3.61%) Security Cleared
9 27 (3.25%) SC Cleared
10 22 (2.65%) ITIL Certification
11 20 (2.41%) MCITP
12 18 (2.17%) Citrix Certification
13 16 (1.93%) CCIE
14 15 (1.81%) Computer Science Degree
14 15 (1.81%) MCP
15 14 (1.68%) RHCE
16 13 (1.56%) CCVP
17 12 (1.44%) AWS Certification
17 12 (1.44%) VCAP
Quality Assurance & Compliance
1 40 (4.81%) SLA
2 24 (2.89%) ISO/IEC 27001
3 22 (2.65%) GDPR
4 19 (2.29%) QA
5 11 (1.32%) PMO
6 7 (0.84%) PCI DSS
7 4 (0.48%) Data Quality
8 1 (0.12%) COBIT
8 1 (0.12%) Cyber Essentials
8 1 (0.12%) HIPAA
8 1 (0.12%) ISO/IEC 20000
8 1 (0.12%) PSD2
8 1 (0.12%) Sarbanes-Oxley
System Software
1 296 (35.62%) Active Directory
2 199 (23.95%) VMware Infrastructure
3 161 (19.37%) Hyper-V
4 56 (6.74%) Docker
5 45 (5.42%) XenApp
6 32 (3.85%) VMware ESXi
7 30 (3.61%) DFS Replication
8 26 (3.13%) vSphere
9 25 (3.01%) Virtual Machines
10 24 (2.89%) XenDesktop
11 20 (2.41%) Virtual Servers
12 18 (2.17%) Microsoft App-V
12 18 (2.17%) Oracle RAC
13 14 (1.68%) GPFS
14 11 (1.32%) NFS
15 9 (1.08%) Postfix
15 9 (1.08%) Veritas Cluster Server
16 8 (0.96%) PowerHA
17 7 (0.84%) Firmware
18 6 (0.72%) Microsoft Virtual Server
Systems Management
1 152 (18.29%) Microsoft Clustering
2 86 (10.35%) Failover Clustering
3 83 (9.99%) SCCM
4 60 (7.22%) SCOM
5 56 (6.74%) Ansible
6 46 (5.54%) Opscode Chef
7 43 (5.17%) Puppet
8 32 (3.85%) Nagios
8 32 (3.85%) WSUS
9 28 (3.37%) Terraform
10 26 (3.13%) Kubernetes
11 21 (2.53%) vCenter Server
12 20 (2.41%) Backup Exec
12 20 (2.41%) Prometheus
13 18 (2.17%) Docker Swarm
14 16 (1.93%) Linux-HA
15 15 (1.81%) ZABBIX
16 14 (1.68%) Cisco CUCM
17 13 (1.56%) Cisco UCCE
17 13 (1.56%) Cisco UCCX
Vendors
1 379 (45.61%) Microsoft
2 334 (40.19%) VMware
3 152 (18.29%) Cisco
4 132 (15.88%) Oracle
5 124 (14.92%) Citrix
6 89 (10.71%) HP
7 81 (9.75%) Red Hat
8 56 (6.74%) SolarWinds
9 46 (5.54%) IBM
10 38 (4.57%) EMC
10 38 (4.57%) Veeam
11 35 (4.21%) NetApp
12 32 (3.85%) Google
12 32 (3.85%) Symantec
13 30 (3.61%) Veritas
14 29 (3.49%) Dell
15 19 (2.29%) RedGate
16 18 (2.17%) CommVault
16 18 (2.17%) Ivanti
17 15 (1.81%) McAfee