Period
to 17 August 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 17 August 2018 with a comparison to the same period over the previous 2 years.

Clustering
UK
6 months to
17 Aug 2018
Same period 2017 Same period 2016
Rank 517 436 374
Rank change year-on-year -81 -62 -77
Permanent jobs citing Clustering 883 1,235 1,678
As % of all permanent IT jobs advertised in the UK 0.52% 0.70% 0.85%
As % of the Miscellaneous category 1.19% 1.58% 1.96%
Number of salaries quoted 704 1,022 1,413
UK median annual salary £50,000 £50,000 £50,000
10th Percentile £32,750 £35,000 £33,750
90th Percentile £78,750 £75,000 £70,000
UK excluding London median annual salary £43,000 £45,000 £45,000
% change year-on-year -4.44% - -

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 74,089 78,069 85,698
As % of all permanent IT jobs advertised in the UK 43.51% 44.28% 43.29%
Number of salaries quoted 57,251 59,675 70,095
UK median annual salary £52,500 £50,000 £50,000
Median salary % change year-on-year +5.00% - +5.26%
10th Percentile £28,000 £27,500 £27,000
90th Percentile £85,000 £81,250 £80,000
UK excluding London median annual salary £45,000 £42,500 £42,500
% change year-on-year +5.88% - +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 17 August 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 17 August 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 -98 801 £52,500 +5.00% 95
UK excluding London -45 488 £43,000 -4.44% 57
London -97 362 £60,000 +4.35% 41
South East -113 122 £52,500 +5.00% 16
North of England -14 112 £39,500 -7.06% 20
Midlands +17 94 £42,500 - 10
South West +42 70 £42,500 +14.09% 2
North West -11 68 £42,250 -0.59% 12
West Midlands +32 49 £42,500 +4.13% 2
East of England +23 46 £45,000 +4.65% 6
East Midlands +6 44 £42,500 -3.41% 8
Yorkshire +13 40 £35,000 -16.17% 8
Scotland -4 26 £39,250 -1.88% 3
Wales +20 21 £48,500 +34.29%
Northern Ireland - 6 £32,500 -
North East -25 4 £32,500 -27.78%

For the 6 months to 17 August 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.

1 481 (54.47%) SQL
2 454 (51.42%) SQL Server
3 439 (49.72%) Windows
4 351 (39.75%) Microsoft
5 297 (33.64%) Active Directory
6 282 (31.94%) VMware
7 277 (31.37%) Windows Server
8 258 (29.22%) High Availability
9 242 (27.41%) Microsoft Azure
9 242 (27.41%) Linux
10 227 (25.71%) Replication
11 216 (24.46%) Finance
12 200 (22.65%) Performance Tuning
13 193 (21.86%) ITIL
14 181 (20.50%) Amazon AWS
15 180 (20.39%) Disaster Recovery
16 176 (19.93%) VMware Infrastructure
17 169 (19.14%) SQL Server Integration Services
18 163 (18.46%) SAN
19 158 (17.89%) T-SQL
20 146 (16.53%) Windows Server 2008
21 145 (16.42%) PowerShell
21 145 (16.42%) Microsoft Clustering
21 145 (16.42%) Infrastructure Engineering
22 142 (16.08%) Oracle
23 134 (15.18%) Windows Server 2012
24 131 (14.84%) Hyper-V
25 127 (14.38%) SQL Server Reporting Services
26 123 (13.93%) DNS
27 116 (13.14%) Load Balancing

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 95 (10.76%) IIS
2 94 (10.65%) MS Exchange
3 54 (6.12%) Exchange Server 2010
4 53 (6.00%) SharePoint
5 34 (3.85%) Apache
5 34 (3.85%) Elasticsearch
6 25 (2.83%) Exchange Server 2013
7 24 (2.72%) Confluence
8 23 (2.60%) Skype for Business
8 23 (2.60%) Tomcat
9 21 (2.38%) BizTalk Server
10 16 (1.81%) Apache Spark
11 14 (1.59%) Oracle Application Server
11 14 (1.59%) Site Server
11 14 (1.59%) WordPress
12 12 (1.36%) Apache Pig
12 12 (1.36%) SharePoint 2010
12 12 (1.36%) SharePoint 2013
12 12 (1.36%) WebLogic
13 11 (1.25%) JBoss
Applications
1 25 (2.83%) Microsoft Office
2 11 (1.25%) MS Visio
3 4 (0.45%) InfoPath
4 3 (0.34%) Microsoft Excel
5 2 (0.23%) Microsoft PowerPoint
6 1 (0.11%) SPSS
Business Applications
1 6 (0.68%) Oracle Procure-to-Pay
2 5 (0.57%) Dynamics CRM
3 4 (0.45%) Salesforce.com CRM
4 3 (0.34%) Infor M3
5 2 (0.23%) Payment Gateway
5 2 (0.23%) Temenos T24
6 1 (0.11%) Distributed Ledger
6 1 (0.11%) SAP S/4HANA
Cloud Services
1 242 (27.41%) Microsoft Azure
2 181 (20.50%) Amazon AWS
3 100 (11.33%) Office 365
4 60 (6.80%) IaaS
5 36 (4.08%) GitHub
6 31 (3.51%) SaaS
7 27 (3.06%) Amazon EC2
8 25 (2.83%) Amazon ELB
9 24 (2.72%) AWS CloudFormation
10 20 (2.27%) Amazon EMR
10 20 (2.27%) Google Cloud Platform
10 20 (2.27%) PaaS
11 19 (2.15%) Cloud Computing
12 18 (2.04%) Amazon ElastiCache
12 18 (2.04%) Route 53
13 13 (1.47%) Amazon CloudWatch
13 13 (1.47%) Amazon Kinesis
14 10 (1.13%) Amazon S3
15 9 (1.02%) Azure Active Directory
15 9 (1.02%) Mimecast
Communications & Networking
1 163 (18.46%) SAN
2 123 (13.93%) DNS
3 112 (12.68%) TCP/IP
4 102 (11.55%) Firewall
5 93 (10.53%) DHCP
6 73 (8.27%) NAS
7 70 (7.93%) WAN
8 63 (7.13%) VPN
9 62 (7.02%) LAN
10 43 (4.87%) HTTP
11 40 (4.53%) Internet
12 25 (2.83%) VLAN
13 24 (2.72%) SSL
14 23 (2.60%) Remote Desktop
15 22 (2.49%) Wireless
16 20 (2.27%) NetScaler
17 19 (2.15%) Intranet
18 18 (2.04%) Cisco ASA
19 14 (1.59%) SMTP
20 13 (1.47%) iSCSI
Database & Business Intelligence
1 454 (51.42%) SQL Server
2 169 (19.14%) SQL Server Integration Services
3 127 (14.38%) SQL Server Reporting Services
4 109 (12.34%) SQL Server 2008
5 105 (11.89%) MySQL
6 89 (10.08%) Oracle Database
7 84 (9.51%) SQL Server Analysis Services
8 78 (8.83%) Relational Database
9 75 (8.49%) SQL Server 2016
10 72 (8.15%) SQL Server 2014
11 67 (7.59%) SQL Server 2012
12 55 (6.23%) Data Warehouse
13 51 (5.78%) PostgreSQL
14 43 (4.87%) RDBMS
15 38 (4.30%) MongoDB
16 32 (3.62%) NoSQL
17 27 (3.06%) Microsoft Analysis Services
18 26 (2.94%) Big Data
19 24 (2.72%) Hadoop
20 23 (2.60%) Redis
Development Applications
1 44 (4.98%) JIRA
2 33 (3.74%) Git (software)
3 32 (3.62%) Jenkins
4 31 (3.51%) TeamCity
5 26 (2.94%) Subversion
6 23 (2.60%) Octopus Deploy
7 10 (1.13%) Atlassian Bamboo
7 10 (1.13%) Maven
7 10 (1.13%) Team Foundation Server
7 10 (1.13%) Visual Studio
8 5 (0.57%) Visual Studio Team System
9 3 (0.34%) Ant
9 3 (0.34%) Bitbucket
9 3 (0.34%) Cucumber
9 3 (0.34%) Introscope
9 3 (0.34%) SQL Server Management Studio (SSMS)
9 3 (0.34%) webpack
10 2 (0.23%) git-flow
10 2 (0.23%) GitLab
10 2 (0.23%) MSI
General
1 216 (24.46%) Finance
2 49 (5.55%) Banking
3 34 (3.85%) Marketing
4 28 (3.17%) Manufacturing
5 27 (3.06%) Retail
6 21 (2.38%) Telecoms
7 20 (2.27%) Advertising
7 20 (2.27%) Electronics
8 11 (1.25%) Publishing
9 9 (1.02%) Law
10 7 (0.79%) Legal
11 6 (0.68%) Aerospace
11 6 (0.68%) Military
12 4 (0.45%) Financial Institution
12 4 (0.45%) Investment Banking
13 3 (0.34%) Automotive
13 3 (0.34%) Back Office
13 3 (0.34%) Multimedia
14 2 (0.23%) Billing
14 2 (0.23%) Games
Job Titles
1 316 (35.79%) DBA
2 237 (26.84%) SQL DBA
3 189 (21.40%) Administrator
4 118 (13.36%) SQL Server DBA
5 117 (13.25%) Infrastructure Engineer
6 71 (8.04%) Senior DBA
7 47 (5.32%) Support Engineer
8 44 (4.98%) Systems Engineer
9 43 (4.87%) Consultant
10 42 (4.76%) Oracle DBA
11 41 (4.64%) 3rd Line Engineer
11 41 (4.64%) Senior SQL DBA
12 38 (4.30%) Architect
12 38 (4.30%) Developer
13 36 (4.08%) IT Engineer
14 34 (3.85%) Senior Infrastructure Engineer
15 30 (3.40%) Systems Administrator
16 29 (3.28%) AWS DevOps
17 27 (3.06%) 3rd Line Support
17 27 (3.06%) Analyst
Libraries, Frameworks & Software Standards
1 48 (5.44%) .NET
2 36 (4.08%) Web Services
3 33 (3.74%) LAMP
4 32 (3.62%) REST
5 30 (3.40%) RabbitMQ
6 29 (3.28%) HTML
7 22 (2.49%) Ajax
7 22 (2.49%) ASP.NET
8 21 (2.38%) .NET Framework
9 20 (2.27%) Elastic Stack
9 20 (2.27%) WCF
10 18 (2.04%) J2EE
10 18 (2.04%) JMS
10 18 (2.04%) XML
11 14 (1.59%) Kafka
11 14 (1.59%) Middleware
12 13 (1.47%) Spring
13 12 (1.36%) EDI
13 12 (1.36%) EDIFACT
13 12 (1.36%) Pandas
Miscellaneous
1 227 (25.71%) Replication
2 96 (10.87%) Data Centre
3 72 (8.15%) Analytical Skills
4 30 (3.40%) Computer Science
5 20 (2.27%) Self-Motivation
6 18 (2.04%) Management Information System
6 18 (2.04%) PKI
7 16 (1.81%) Linux Command Line
8 15 (1.70%) Hybrid Cloud
9 14 (1.59%) Client/Server
10 13 (1.47%) Private Cloud
11 12 (1.36%) Enterprise Software
12 11 (1.25%) EMC VNX
12 11 (1.25%) Fintech
12 11 (1.25%) Public Cloud
13 10 (1.13%) Driving Licence
14 8 (0.91%) Algorithms
14 8 (0.91%) Hedge funds
14 8 (0.91%) N-Tier
14 8 (0.91%) Tandem
Operating Systems
1 439 (49.72%) Windows
2 277 (31.37%) Windows Server
3 242 (27.41%) Linux
4 146 (16.53%) Windows Server 2008
5 134 (15.18%) Windows Server 2012
6 88 (9.97%) Red Hat Enterprise Linux
7 63 (7.13%) Unix
8 41 (4.64%) CentOS
9 35 (3.96%) Windows 10
10 28 (3.17%) Ubuntu
11 27 (3.06%) Windows 7
12 25 (2.83%) Windows Server 2003
13 20 (2.27%) Solaris
14 17 (1.93%) Windows 8
15 12 (1.36%) AIX
15 12 (1.36%) Oracle Linux
16 7 (0.79%) HPUX
16 7 (0.79%) SUSE
17 5 (0.57%) VMS
18 4 (0.45%) FreeBSD
Processes & Methodologies
1 258 (29.22%) High Availability
2 200 (22.65%) Performance Tuning
3 193 (21.86%) ITIL
4 180 (20.39%) Disaster Recovery
5 145 (16.42%) Infrastructure Engineering
6 116 (13.14%) Load Balancing
7 105 (11.89%) DevOps
8 104 (11.78%) Migration
9 97 (10.99%) Agile Software Development
9 97 (10.99%) Capacity Planning
10 91 (10.31%) Problem-Solving
11 75 (8.49%) Business Intelligence
12 55 (6.23%) Performance Optimisation
13 54 (6.12%) Continuous Integration
14 50 (5.66%) Runbook
15 48 (5.44%) Configuration Management
16 47 (5.32%) Capacity Management
17 46 (5.21%) Patch Management
18 45 (5.10%) Change Control
18 45 (5.10%) ETL
Programming Languages
1 481 (54.47%) SQL
2 158 (17.89%) T-SQL
3 145 (16.42%) PowerShell
4 113 (12.80%) Python
5 72 (8.15%) Java
6 62 (7.02%) C#
7 43 (4.87%) Bash Shell
8 39 (4.42%) Shell Script
9 35 (3.96%) JavaScript
10 30 (3.40%) Perl
11 26 (2.94%) PHP
11 26 (2.94%) PL/SQL
12 20 (2.27%) Scala
13 13 (1.47%) Korn
14 12 (1.36%) ActionScript
14 12 (1.36%) ActionScript 2.0
15 11 (1.25%) Ruby
16 10 (1.13%) Bourne shell
16 10 (1.13%) Go
17 7 (0.79%) Java 8
Qualifications
1 89 (10.08%) Microsoft Certification
2 60 (6.80%) Degree
3 53 (6.00%) MCSE
4 51 (5.78%) Security Cleared
5 42 (4.76%) MCSA
6 32 (3.62%) SC Cleared
7 28 (3.17%) VMware Certified Professional (VCP)
8 26 (2.94%) Cisco Certification
9 20 (2.27%) CCNA
9 20 (2.27%) Citrix Certification
9 20 (2.27%) MCP
10 18 (2.04%) CCNP
11 15 (1.70%) Computer Science Degree
12 14 (1.59%) ITIL Certification
13 10 (1.13%) AWS Certification
13 10 (1.13%) MCITP
14 7 (0.79%) RHCE
15 6 (0.68%) VCP5
16 5 (0.57%) OCP
16 5 (0.57%) Oracle Certification
Quality Assurance & Compliance
1 39 (4.42%) QA
2 28 (3.17%) SLA
3 8 (0.91%) ISO/IEC 27001
4 7 (0.79%) GDPR
4 7 (0.79%) PCI DSS
5 5 (0.57%) GCP
6 4 (0.45%) ISO 9001
7 3 (0.34%) COBIT
7 3 (0.34%) PSD2
8 2 (0.23%) Data Quality
8 2 (0.23%) PMO
8 2 (0.23%) Sarbanes-Oxley
8 2 (0.23%) SEPA
8 2 (0.23%) TickIT
System Software
1 297 (33.64%) Active Directory
2 176 (19.93%) VMware Infrastructure
3 131 (14.84%) Hyper-V
4 57 (6.46%) Docker
5 36 (4.08%) VMware ESXi
6 30 (3.40%) vSphere
7 26 (2.94%) XenApp
8 22 (2.49%) Oracle RAC
9 21 (2.38%) XenDesktop
10 15 (1.70%) Veritas Cluster Server
11 13 (1.47%) Varnish
11 13 (1.47%) Virtual Desktop
12 12 (1.36%) Firmware
13 11 (1.25%) Virtual Machines
14 10 (1.13%) KVM
15 9 (1.02%) ISA Server
16 8 (0.91%) NFS
16 8 (0.91%) Terminal Server
16 8 (0.91%) Terminal Services
17 7 (0.79%) Microsoft App-V
Systems Management
1 145 (16.42%) Microsoft Clustering
2 98 (11.10%) Failover Clustering
3 82 (9.29%) Opscode Chef
3 82 (9.29%) SCCM
4 66 (7.47%) SCOM
5 63 (7.13%) Ansible
6 51 (5.78%) Puppet
7 26 (2.94%) Nagios
8 22 (2.49%) ZABBIX
9 21 (2.38%) Data Guard
10 20 (2.27%) Kubernetes
10 20 (2.27%) SCOrch
11 18 (2.04%) Kibana
11 18 (2.04%) logstash
11 18 (2.04%) Packer
11 18 (2.04%) Terraform
12 16 (1.81%) WSUS
13 12 (1.36%) AirWatch
14 11 (1.25%) Cacti
14 11 (1.25%) Galera Cluster
Vendors
1 351 (39.75%) Microsoft
2 282 (31.94%) VMware
3 142 (16.08%) Oracle
4 109 (12.34%) Cisco
5 106 (12.00%) Citrix
6 96 (10.87%) Red Hat
7 85 (9.63%) HP
8 57 (6.46%) SolarWinds
9 44 (4.98%) SAP
10 27 (3.06%) CommVault
11 26 (2.94%) NetApp
12 24 (2.72%) EMC
12 24 (2.72%) IBM
13 23 (2.60%) Symantec
14 22 (2.49%) F5
14 22 (2.49%) Juniper
14 22 (2.49%) Veeam
15 19 (2.15%) Google
16 15 (1.70%) Sun
16 15 (1.70%) Veritas