Period
to 21 May 2018

The table below looks at the prevalence of the term Clustering in permanent job vacancies. Included is a benchmarking guide to the salaries offered in vacancies that have cited Clustering over the 6 months to 21 May 2018 with a comparison to the same period over the previous 2 years.

Clustering
UK
6 months to
21 May 2018
Same period 2017 Same period 2016
Rank 484 428 363
Rank change year-on-year -56 -65 -82
Permanent jobs citing Clustering 1,014 1,172 1,807
As % of all permanent IT jobs advertised in the UK 0.59% 0.69% 0.90%
As % of the Miscellaneous category 1.37% 1.63% 2.05%
Number of salaries quoted 836 974 1,565
UK median annual salary £50,000 £50,000 £50,000
10th Percentile £32,500 £32,500 £36,000
90th Percentile £77,500 £72,500 £71,250
UK excluding London median annual salary £45,000 £44,500 £45,000
% change year-on-year +1.12% -1.11% +2.27%

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 with a requirement for generic IT skills.

All Generic IT Skills
UK
Permanent vacancies with a requirement for generic IT skills 73,816 71,864 88,092
As % of all permanent IT jobs advertised in the UK 42.98% 42.57% 43.82%
Number of salaries quoted 57,619 57,918 71,287
UK median annual salary £50,000 £47,500 £49,000
Median salary % change year-on-year +5.26% -3.06% +7.69%
10th Percentile £27,750 £27,500 £27,000
90th Percentile £83,750 £80,000 £78,750
UK excluding London median annual salary £45,000 £41,500 £42,500
% change year-on-year +8.43% -2.35% +6.25%

Clustering
Job Vacancy Trend

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

Job vacancy trend for Clustering in the UK

Clustering
Salary Trend

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

Salary trend for Clustering in the UK

Clustering
Salary Histogram

The salary distribution of IT jobs citing Clustering over the 6 months to 21 May 2018.

Salary histogram for Clustering in the UK

Clustering
Top 16 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Clustering within the UK over the 6 months to 21 May 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
England -64 931 £50,000 - 112
UK excluding London -10 622 £45,000 +1.12% 73
London -110 362 £60,000 +4.35% 51
South East -31 191 £47,500 -5.00% 15
North of England -53 124 £37,500 -11.76% 15
Midlands +29 116 £50,000 +17.65% 13
South West +22 82 £43,000 +14.67% 10
East Midlands +22 63 £50,000 +11.11% 8
North West -55 60 £45,000 +5.88% 9
Yorkshire +19 59 £35,000 -22.22% 6
East of England -1 59 £45,000 -10.00% 8
West Midlands +5 53 £45,000 +12.50% 5
Scotland -14 34 £42,500 +1.80% 7
Wales +25 17 £49,500 +37.06% 5
North East -19 7 £32,500 +8.33%
Northern Ireland +3 3 £40,000 -

For the 6 months to 21 May 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 with a requirement for Clustering.

1 537 (52.96%) SQL
2 520 (51.28%) SQL Server
3 518 (51.08%) Windows
4 425 (41.91%) Microsoft
5 332 (32.74%) Windows Server
6 307 (30.28%) Active Directory
7 291 (28.70%) VMware
8 261 (25.74%) Microsoft Azure
9 257 (25.35%) Linux
10 256 (25.25%) Performance Tuning
11 243 (23.96%) High Availability
11 243 (23.96%) Finance
12 220 (21.70%) Replication
13 215 (21.20%) PowerShell
14 213 (21.01%) SQL Server Integration Services
15 198 (19.53%) Amazon AWS
15 198 (19.53%) ITIL
16 195 (19.23%) VMware Infrastructure
17 194 (19.13%) Disaster Recovery
18 188 (18.54%) SAN
19 183 (18.05%) Windows Server 2012
20 166 (16.37%) Windows Server 2008
21 163 (16.07%) Oracle
22 162 (15.98%) DNS
23 160 (15.78%) Hyper-V
24 158 (15.58%) T-SQL
25 156 (15.38%) SQL Server Reporting Services
26 155 (15.29%) Load Balancing
27 149 (14.69%) Microsoft Clustering
28 148 (14.60%) Firewall

Clustering
Co-occurring IT Skills 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
1 129 (12.72%) MS Exchange
2 120 (11.83%) IIS
3 79 (7.79%) Exchange Server 2010
4 72 (7.10%) SharePoint
5 41 (4.04%) Elasticsearch
6 40 (3.94%) Skype for Business
7 36 (3.55%) Apache Spark
8 31 (3.06%) Exchange Server 2013
9 28 (2.76%) Apache
10 25 (2.47%) Tomcat
10 25 (2.47%) WebLogic
11 23 (2.27%) Apache Pig
12 21 (2.07%) CMS
12 21 (2.07%) Confluence
13 19 (1.87%) SharePoint 2010
14 18 (1.78%) BizTalk Server
15 16 (1.58%) JBoss
15 16 (1.58%) SAS
16 15 (1.48%) WordPress
17 14 (1.38%) Site Server
Applications
1 23 (2.27%) Microsoft Office
2 4 (0.39%) InfoPath
3 3 (0.30%) MS Visio
4 2 (0.20%) Microsoft Excel
5 1 (0.099%) Microsoft PowerPoint
5 1 (0.099%) SPSS
Business Applications
1 12 (1.18%) Dynamics CRM
1 12 (1.18%) Oracle Procure-to-Pay
2 7 (0.69%) HFM
3 5 (0.49%) Salesforce.com CRM
4 2 (0.20%) Distributed Ledger
5 1 (0.099%) Oracle EBS
5 1 (0.099%) SAP Business One
Cloud Services
1 261 (25.74%) Microsoft Azure
2 198 (19.53%) Amazon AWS
3 105 (10.36%) Office 365
4 43 (4.24%) IaaS
5 34 (3.35%) Amazon EMR
5 34 (3.35%) GitHub
6 27 (2.66%) Amazon Kinesis
6 27 (2.66%) SaaS
7 18 (1.78%) Cloud Computing
8 15 (1.48%) Azure Active Directory
8 15 (1.48%) PaaS
9 14 (1.38%) Google Cloud Platform
10 13 (1.28%) Amazon CloudWatch
11 12 (1.18%) Amazon EC2
12 10 (0.99%) AWS CloudFormation
13 9 (0.89%) Virtual Private Cloud
14 8 (0.79%) Amazon ELB
14 8 (0.79%) Amazon S3
14 8 (0.79%) AWS Lambda
14 8 (0.79%) Serverless
Communications & Networking
1 188 (18.54%) SAN
2 162 (15.98%) DNS
3 148 (14.60%) Firewall
4 123 (12.13%) TCP/IP
5 122 (12.03%) DHCP
6 104 (10.26%) WAN
7 76 (7.50%) LAN
8 71 (7.00%) HTTP
9 69 (6.80%) VPN
10 59 (5.82%) NAS
11 46 (4.54%) SSL
12 34 (3.35%) VoIP
13 32 (3.16%) IPsec
14 31 (3.06%) VLAN
15 30 (2.96%) iSCSI
16 27 (2.66%) Wireless
17 26 (2.56%) Cisco ASA
18 25 (2.47%) Skype
19 24 (2.37%) Internet
20 22 (2.17%) Unified Communications
Database & Business Intelligence
1 520 (51.28%) SQL Server
2 213 (21.01%) SQL Server Integration Services
3 156 (15.38%) SQL Server Reporting Services
4 119 (11.74%) MySQL
5 108 (10.65%) SQL Server Analysis Services
6 107 (10.55%) SQL Server 2008
7 106 (10.45%) Oracle Database
8 105 (10.36%) SQL Server 2016
9 74 (7.30%) Relational Database
10 70 (6.90%) Data Warehouse
11 68 (6.71%) SQL Server 2014
12 63 (6.21%) SQL Server 2012
13 62 (6.11%) MongoDB
14 50 (4.93%) Big Data
15 45 (4.44%) RDBMS
16 40 (3.94%) Hadoop
16 40 (3.94%) NoSQL
17 39 (3.85%) Microsoft Analysis Services
18 37 (3.65%) PostgreSQL
18 37 (3.65%) Power BI
Development Applications
1 49 (4.83%) JIRA
2 44 (4.34%) Git (software)
3 36 (3.55%) Jenkins
4 33 (3.25%) TeamCity
5 26 (2.56%) Octopus Deploy
6 25 (2.47%) Subversion
7 23 (2.27%) Team Foundation Server
8 17 (1.68%) Atlassian Bamboo
8 17 (1.68%) MSBuild
9 15 (1.48%) SQL Server Management Studio (SSMS)
9 15 (1.48%) Visual Studio
10 12 (1.18%) Maven
11 8 (0.79%) SoapUI
11 8 (0.79%) Travis CI
12 7 (0.69%) Visual Studio Team System
13 5 (0.49%) GitLab
13 5 (0.49%) webpack
14 4 (0.39%) Ant
14 4 (0.39%) Cucumber
15 3 (0.30%) Mocha
General
1 243 (23.96%) Finance
2 66 (6.51%) Banking
3 54 (5.33%) Retail
4 47 (4.64%) Advertising
5 41 (4.04%) Marketing
6 22 (2.17%) Electronics
6 22 (2.17%) Manufacturing
7 15 (1.48%) Telecoms
8 14 (1.38%) Law
8 14 (1.38%) Publishing
9 12 (1.18%) Investment Banking
10 8 (0.79%) Automotive
11 6 (0.59%) Back Office
12 5 (0.49%) Legal
13 3 (0.30%) Financial Institution
13 3 (0.30%) Games
14 2 (0.20%) Digital Economy
15 1 (0.099%) Aerospace
15 1 (0.099%) Military
15 1 (0.099%) Multimedia
Job Titles
1 326 (32.15%) DBA
2 240 (23.67%) SQL DBA
3 170 (16.77%) Administrator
4 111 (10.95%) Infrastructure Engineer
5 101 (9.96%) SQL Server DBA
6 66 (6.51%) Analyst
6 66 (6.51%) Architect
7 62 (6.11%) Senior DBA
8 51 (5.03%) Oracle DBA
9 48 (4.73%) Systems Engineer
10 46 (4.54%) Consultant
11 45 (4.44%) VMware Engineer
12 43 (4.24%) Support Engineer
13 42 (4.14%) 3rd Line Engineer
13 42 (4.14%) Developer
14 41 (4.04%) Senior SQL DBA
15 39 (3.85%) Support Analyst
16 35 (3.45%) Senior Infrastructure Engineer
17 32 (3.16%) Technical Architect
18 31 (3.06%) Windows Engineer
Libraries, Frameworks & Software Standards
1 71 (7.00%) .NET
2 38 (3.75%) Web Services
3 34 (3.35%) LAMP
4 32 (3.16%) Middleware
5 31 (3.06%) REST
6 30 (2.96%) XML
7 28 (2.76%) Pandas
8 27 (2.66%) MLlib
9 26 (2.56%) LDAP
10 24 (2.37%) J2EE
11 21 (2.07%) JMS
12 17 (1.68%) HTML
12 17 (1.68%) WCF
13 15 (1.48%) JSON
14 14 (1.38%) JDBC
15 13 (1.28%) Spring
16 12 (1.18%) ASP.NET
16 12 (1.18%) SOAP
17 10 (0.99%) CSS
17 10 (0.99%) SAP Basis
Miscellaneous
1 220 (21.70%) Replication
2 123 (12.13%) Data Centre
3 86 (8.48%) Analytical Skills
4 31 (3.06%) Enterprise Software
5 29 (2.86%) Self-Motivation
6 25 (2.47%) Computer Science
7 24 (2.37%) Algorithms
8 23 (2.27%) Management Information System
9 20 (1.97%) PKI
10 19 (1.87%) Private Cloud
11 18 (1.78%) Fintech
12 14 (1.38%) User Experience
13 11 (1.08%) EMC VMAX
13 11 (1.08%) Greenfield Project
13 11 (1.08%) N-Tier
14 10 (0.99%) Linux Command Line
14 10 (0.99%) Public Cloud
15 9 (0.89%) Hybrid Cloud
15 9 (0.89%) Video Conferencing
16 8 (0.79%) Data Structures
Operating Systems
1 518 (51.08%) Windows
2 332 (32.74%) Windows Server
3 257 (25.35%) Linux
4 183 (18.05%) Windows Server 2012
5 166 (16.37%) Windows Server 2008
6 86 (8.48%) Unix
7 63 (6.21%) Red Hat Enterprise Linux
8 39 (3.85%) Windows Server 2003
9 30 (2.96%) Windows 10
10 25 (2.47%) Windows 7
11 24 (2.37%) CentOS
12 23 (2.27%) Solaris
13 19 (1.87%) AIX
14 17 (1.68%) Ubuntu
15 14 (1.38%) Windows 8
16 13 (1.28%) HPUX
17 7 (0.69%) Mac OS X
18 6 (0.59%) SUSE
19 5 (0.49%) Debian
19 5 (0.49%) SUSE Linux Enterprise Server
Processes & Methodologies
1 256 (25.25%) Performance Tuning
2 243 (23.96%) High Availability
3 198 (19.53%) ITIL
4 194 (19.13%) Disaster Recovery
5 155 (15.29%) Load Balancing
6 139 (13.71%) DevOps
7 129 (12.72%) Problem-Solving
8 121 (11.93%) Agile Software Development
8 121 (11.93%) Business Intelligence
9 94 (9.27%) Capacity Planning
10 87 (8.58%) Migration
11 82 (8.09%) ETL
12 81 (7.99%) Configuration Management
13 67 (6.61%) Scrum
14 64 (6.31%) Mentoring
15 56 (5.52%) Continuous Integration
16 55 (5.42%) Coaching
17 54 (5.33%) Service Management
18 51 (5.03%) Deployment Automation
19 47 (4.64%) Software Engineering
Programming Languages
1 537 (52.96%) SQL
2 215 (21.20%) PowerShell
3 158 (15.58%) T-SQL
4 126 (12.43%) Python
5 110 (10.85%) Java
6 88 (8.68%) C#
7 56 (5.52%) Bash Shell
8 45 (4.44%) Shell Script
9 41 (4.04%) JavaScript
9 41 (4.04%) Perl
10 38 (3.75%) Scala
11 30 (2.96%) PHP
12 26 (2.56%) PL/SQL
13 20 (1.97%) Ruby
14 19 (1.87%) C
15 13 (1.28%) VBScript
16 11 (1.08%) Korn
17 10 (0.99%) ABAP
17 10 (0.99%) VB
18 9 (0.89%) ActionScript
Qualifications
1 118 (11.64%) Microsoft Certification
2 74 (7.30%) MCSE
3 55 (5.42%) Cisco Certification
3 55 (5.42%) Security Cleared
4 43 (4.24%) Degree
5 36 (3.55%) CCNA
5 36 (3.55%) MCSA
6 33 (3.25%) SC Cleared
7 30 (2.96%) VMware Certified Professional (VCP)
8 26 (2.56%) MCP
9 24 (2.37%) CCNP
10 21 (2.07%) ITIL Certification
11 15 (1.48%) Computer Science Degree
12 14 (1.38%) OCP
12 14 (1.38%) Oracle Certification
13 12 (1.18%) Citrix Certification
14 11 (1.08%) VERITAS Certified Professional (VCP)
15 10 (0.99%) CCIE
16 8 (0.79%) DV Cleared
17 7 (0.69%) MCITP
Quality Assurance & Compliance
1 66 (6.51%) SLA
2 47 (4.64%) QA
3 25 (2.47%) ISO/IEC 27001
4 20 (1.97%) PCI DSS
5 10 (0.99%) HIPAA
6 5 (0.49%) PSD2
7 4 (0.39%) ISO 9001
8 3 (0.30%) PMO
8 3 (0.30%) Sarbanes-Oxley
9 2 (0.20%) GCP
9 2 (0.20%) GDPR
9 2 (0.20%) SEPA
9 2 (0.20%) TickIT
10 1 (0.099%) COBIT
System Software
1 307 (30.28%) Active Directory
2 195 (19.23%) VMware Infrastructure
3 160 (15.78%) Hyper-V
4 57 (5.62%) Docker
5 53 (5.23%) VMware ESXi
6 36 (3.55%) Virtual Machines
7 35 (3.45%) XenApp
8 30 (2.96%) vSphere
9 25 (2.47%) XenDesktop
10 19 (1.87%) Oracle RAC
11 14 (1.38%) Veritas Cluster Server
11 14 (1.38%) XenServer
12 13 (1.28%) KVM
12 13 (1.28%) Varnish
12 13 (1.28%) Virtual Desktop
13 12 (1.18%) Veritas Volume Manager
14 8 (0.79%) NFS
14 8 (0.79%) Terminal Services
15 7 (0.69%) HDFS
16 6 (0.59%) Apache ZooKeeper
Systems Management
1 149 (14.69%) Microsoft Clustering
2 127 (12.52%) SCCM
3 114 (11.24%) Failover Clustering
4 91 (8.97%) SCOM
5 78 (7.69%) Opscode Chef
6 68 (6.71%) Puppet
7 53 (5.23%) Ansible
8 30 (2.96%) Backup Exec
9 27 (2.66%) SCOrch
10 24 (2.37%) WSUS
11 21 (2.07%) vCenter Server
12 19 (1.87%) Oracle Enterprise Manager
12 19 (1.87%) ZABBIX
13 18 (1.78%) Symantec Enterprise Vault
14 16 (1.58%) Terraform
14 16 (1.58%) Tivoli Storage Manager
15 14 (1.38%) Simpana
16 13 (1.28%) Cisco CUCM
16 13 (1.28%) Data Guard
16 13 (1.28%) Single Sign-On
Vendors
1 425 (41.91%) Microsoft
2 291 (28.70%) VMware
3 163 (16.07%) Oracle
4 143 (14.10%) Cisco
5 108 (10.65%) HP
6 88 (8.68%) Citrix
7 77 (7.59%) Red Hat
8 43 (4.24%) SAP
9 41 (4.04%) CommVault
10 40 (3.94%) F5
10 40 (3.94%) Symantec
11 37 (3.65%) SolarWinds
11 37 (3.65%) Veritas
12 31 (3.06%) RedGate
13 30 (2.96%) Juniper
14 29 (2.86%) Tableau
15 28 (2.76%) Atlassian
16 27 (2.66%) IBM
16 27 (2.66%) NetApp
17 26 (2.56%) Facebook