Period
to 22 September 2019

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 22 September 2019 with a comparison to the same period over the previous 2 years.

Clustering
UK
6 months to
22 Sep 2019
Same period 2018 Same period 2017
Rank 563 525 434
Rank change year-on-year -38 -91 -56
Permanent jobs citing Clustering 642 882 1,283
As % of all permanent IT jobs advertised in the UK 0.46% 0.53% 0.73%
As % of the Miscellaneous category 1.19% 1.35% 1.80%
Number of salaries quoted 499 699 1,073
UK median annual salary £52,500 £52,500 £50,000
Median salary % change year-on-year - +5.00% -
10th Percentile £36,750 £32,994 £35,000
90th Percentile £82,500 £80,000 £75,000
UK excluding London median annual salary £47,500 £45,000 £42,500
% change year-on-year +5.56% +5.88% -5.56%

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 54,069 65,573 71,291
As % of all permanent IT jobs advertised in the UK 38.87% 39.38% 40.35%
Number of salaries quoted 40,519 50,202 53,067
UK median annual salary £52,500 £52,500 £50,000
Median salary % change year-on-year - +5.00% -
10th Percentile £29,500 £28,750 £27,500
90th Percentile £90,000 £85,000 £82,500
UK excluding London median annual salary £45,000 £45,000 £42,500
% change year-on-year - +5.88% -

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 22 September 2019.

Salary histogram for Clustering in the UK

Clustering
Top 15 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 22 September 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
England -17 597 £53,750 +0.94% 98
UK excluding London +7 372 £47,500 +5.56% 72
London -14 245 £67,500 +12.50% 28
South East +23 117 £50,000 -9.09% 22
North of England -16 87 £47,500 +18.75% 27
Midlands -4 66 £47,500 +11.76% 7
South West +3 62 £47,500 +11.76% 7
West Midlands +41 53 £47,500 +1.06% 5
North West -1 48 £44,000 +3.53% 16
Yorkshire -5 37 £55,000 +57.14% 10
East of England +53 18 £48,500 -3.00% 7
Scotland +6 13 £45,000 +14.65% 1
East Midlands -15 13 £47,500 +15.15% 2
Wales -2 9 £40,000 -19.60% 1
North East +22 2 £42,936 +28.17% 1

For the 6 months to 22 September 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 with a requirement for Clustering.

1 376 (58.57%) Windows
2 328 (51.09%) SQL
3 262 (40.81%) SQL Server
4 254 (39.56%) Microsoft
5 245 (38.16%) Active Directory
6 242 (37.69%) VMware
7 234 (36.45%) Windows Server
8 213 (33.18%) Azure
9 209 (32.55%) Linux
10 201 (31.31%) PowerShell
11 194 (30.22%) Replication
12 180 (28.04%) High Availability
13 139 (21.65%) AWS
14 137 (21.34%) VMware Infrastructure
15 133 (20.72%) Cisco
16 131 (20.40%) DNS
17 129 (20.09%) Performance Tuning
18 123 (19.16%) Disaster Recovery
19 121 (18.85%) Hyper-V
20 119 (18.54%) Infrastructure Engineering
21 115 (17.91%) DHCP
22 114 (17.76%) Python
23 112 (17.45%) Office 365
24 111 (17.29%) SAN
25 110 (17.13%) Agile Software Development
26 104 (16.20%) SCCM
27 102 (15.89%) Microsoft Clustering
28 100 (15.58%) T-SQL
29 99 (15.42%) SQL Server Integration Services
30 98 (15.26%) Finance

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 72 (11.21%) MS Exchange
2 57 (8.88%) SharePoint
3 39 (6.07%) IIS
4 32 (4.98%) Exchange Server 2010
5 19 (2.96%) SAS
6 15 (2.34%) Apache
7 14 (2.18%) Elasticsearch
8 13 (2.02%) Tomcat
9 10 (1.56%) Exchange Server 2013
10 8 (1.25%) Exchange Server 2007
11 6 (0.93%) Anypoint
11 6 (0.93%) BizTalk Server
12 5 (0.78%) Skype for Business
13 4 (0.62%) OpenStack
14 3 (0.47%) Apache Spark
14 3 (0.47%) Jetty
15 2 (0.31%) JBoss
15 2 (0.31%) SharePoint 2010
15 2 (0.31%) SharePoint 2013
15 2 (0.31%) WildFly
Applications
1 25 (3.89%) Microsoft Office
2 10 (1.56%) InfoPath
3 8 (1.25%) Microsoft Excel
4 3 (0.47%) Abaqus
5 2 (0.31%) MS Visio
6 1 (0.16%) Microsoft PowerPoint
Business Applications
1 2 (0.31%) Oracle Applications
2 1 (0.16%) Oracle BRM
Cloud Services
1 213 (33.18%) Azure
2 139 (21.65%) AWS
3 112 (17.45%) Office 365
4 36 (5.61%) Azure Active Directory
5 25 (3.89%) IaaS
6 24 (3.74%) Power Platform
7 22 (3.43%) PaaS
8 20 (3.12%) Amazon EC2
8 20 (3.12%) Amazon ELB
8 20 (3.12%) Amazon S3
9 19 (2.96%) Amazon EMR
9 19 (2.96%) Cloud Computing
9 19 (2.96%) SaaS
10 10 (1.56%) GCP
11 9 (1.40%) AWS CloudFormation
12 8 (1.25%) Azure Data Factory
13 6 (0.93%) Azure Stack
13 6 (0.93%) Cortana Intelligence Suite
13 6 (0.93%) npm
13 6 (0.93%) NuGet
Communications & Networking
1 131 (20.40%) DNS
2 115 (17.91%) DHCP
3 111 (17.29%) SAN
4 87 (13.55%) Firewall
5 74 (11.53%) NAS
6 73 (11.37%) TCP/IP
7 71 (11.06%) WAN
8 62 (9.66%) LAN
9 50 (7.79%) iSCSI
9 50 (7.79%) VLAN
10 48 (7.48%) VPN
11 44 (6.85%) Wireless
12 35 (5.45%) Fibre Channel
13 34 (5.30%) HTTP
14 23 (3.58%) VoIP
15 20 (3.12%) MPLS
15 20 (3.12%) NetScaler
16 19 (2.96%) SNMP
17 18 (2.80%) FCoE
17 18 (2.80%) Multicast
Database & Business Intelligence
1 262 (40.81%) SQL Server
2 99 (15.42%) SQL Server Integration Services
3 95 (14.80%) MySQL
4 94 (14.64%) SQL Server Reporting Services
5 75 (11.68%) SQL Server 2012
6 69 (10.75%) MongoDB
7 60 (9.35%) PostgreSQL
8 57 (8.88%) Relational Database
9 52 (8.10%) SQL Server Analysis Services
10 46 (7.17%) RDBMS
11 45 (7.01%) SQL Server 2014
12 42 (6.54%) NoSQL
12 42 (6.54%) SQL Server 2008
13 32 (4.98%) Data Warehouse
14 29 (4.52%) SQL Server 2016
15 28 (4.36%) Amazon RDS
16 24 (3.74%) Power BI
17 22 (3.43%) MariaDB
18 21 (3.27%) Big Data
19 20 (3.12%) Oracle Database
Development Applications
1 56 (8.72%) Git (software)
2 44 (6.85%) Subversion
3 28 (4.36%) Jenkins
4 16 (2.49%) Team Foundation Server
5 12 (1.87%) Octopus Deploy
6 10 (1.56%) Oracle Forms
6 10 (1.56%) TeamCity
6 10 (1.56%) Visual Studio
7 9 (1.40%) Ant
7 9 (1.40%) JIRA
7 9 (1.40%) Maven
8 5 (0.78%) SQL Server Management Studio (SSMS)
9 4 (0.62%) MSI
General
1 98 (15.26%) Finance
2 23 (3.58%) Manufacturing
3 20 (3.12%) Telecoms
4 17 (2.65%) Banking
4 17 (2.65%) Marketing
5 14 (2.18%) Public Sector
6 13 (2.02%) Electronics
7 12 (1.87%) Retail
8 8 (1.25%) Advertising
8 8 (1.25%) Automotive
9 7 (1.09%) Aerospace
10 6 (0.93%) Legal
11 5 (0.78%) Games
11 5 (0.78%) Housing Association
12 3 (0.47%) Law
13 2 (0.31%) Back Office
14 1 (0.16%) Billing
14 1 (0.16%) Local Government
14 1 (0.16%) Multimedia
Job Titles
1 182 (28.35%) DBA
2 146 (22.74%) SQL DBA
3 111 (17.29%) Administrator
4 101 (15.73%) Infrastructure Engineer
5 66 (10.28%) SQL Server DBA
6 59 (9.19%) Architect
7 53 (8.26%) Senior DBA
8 40 (6.23%) Senior SQL DBA
9 39 (6.07%) Analyst
10 38 (5.92%) Systems Administrator
11 36 (5.61%) Consultant
12 33 (5.14%) Senior Infrastructure Engineer
13 31 (4.83%) Linux Engineer
14 27 (4.21%) DevOps Engineer
15 26 (4.05%) Senior SQL Server DBA
16 22 (3.43%) 3rd Line Engineer
16 22 (3.43%) Developer
16 22 (3.43%) Support Engineer
17 21 (3.27%) Infrastructure Architect
17 21 (3.27%) Network Administrator
Libraries, Frameworks & Software Standards
1 28 (4.36%) .NET
1 28 (4.36%) Web Services
2 24 (3.74%) Kafka
2 24 (3.74%) LDAP
3 23 (3.58%) LAMP
4 22 (3.43%) RabbitMQ
5 20 (3.12%) JSON
6 19 (2.96%) ActiveMQ
7 17 (2.65%) HTML
7 17 (2.65%) Spring
7 17 (2.65%) XML
8 14 (2.18%) 802.1X
8 14 (2.18%) CSS
8 14 (2.18%) jQuery
9 13 (2.02%) ASP.NET
10 10 (1.56%) Backbone.js
11 9 (1.40%) Middleware
12 8 (1.25%) JDBC
13 7 (1.09%) RESTful
14 6 (0.93%) SAP Basis
Miscellaneous
1 194 (30.22%) Replication
2 83 (12.93%) Data Centre
3 47 (7.32%) Analytical Skills
4 43 (6.70%) Self-Motivation
5 36 (5.61%) Management Information System
6 27 (4.21%) PKI
7 24 (3.74%) Linux Command Line
8 20 (3.12%) Enterprise Software
8 20 (3.12%) Hedge funds
9 18 (2.80%) Video\Live Streaming
10 17 (2.65%) IPTV
10 17 (2.65%) MPEG
11 15 (2.34%) Fat Client
11 15 (2.34%) Thin Client
12 13 (2.02%) Enterprise Storage
13 12 (1.87%) Public Cloud
14 9 (1.40%) PlayStation
15 8 (1.25%) Driving Licence
16 7 (1.09%) EMC VNX
16 7 (1.09%) User Experience
Operating Systems
1 376 (58.57%) Windows
2 234 (36.45%) Windows Server
3 209 (32.55%) Linux
4 85 (13.24%) Windows Server 2012
5 63 (9.81%) Windows Server 2008
6 57 (8.88%) Unix
7 50 (7.79%) Red Hat Enterprise Linux
8 38 (5.92%) Ubuntu
9 35 (5.45%) CentOS
10 33 (5.14%) Windows 10
11 30 (4.67%) Solaris
12 13 (2.02%) SUSE
12 13 (2.02%) Windows 7
13 12 (1.87%) Oracle Linux
14 11 (1.71%) Debian
15 4 (0.62%) AIX
16 3 (0.47%) Android
16 3 (0.47%) Mac OS X
16 3 (0.47%) Windows 8
16 3 (0.47%) Windows Server 2003
Processes & Methodologies
1 180 (28.04%) High Availability
2 129 (20.09%) Performance Tuning
3 123 (19.16%) Disaster Recovery
4 119 (18.54%) Infrastructure Engineering
5 110 (17.13%) Agile Software Development
6 97 (15.11%) ITIL
7 89 (13.86%) Migration
8 88 (13.71%) DevOps
9 72 (11.21%) Configuration Management
10 68 (10.59%) Load Balancing
11 55 (8.57%) Business Intelligence
11 55 (8.57%) Problem-Solving
12 52 (8.10%) Performance Monitoring
13 51 (7.94%) Database Mirroring
14 46 (7.17%) ETL
15 38 (5.92%) Capacity Planning
16 37 (5.76%) Business Continuity
16 37 (5.76%) Scrum
17 35 (5.45%) Project Delivery
18 33 (5.14%) Continuous Integration
Programming Languages
1 328 (51.09%) SQL
2 201 (31.31%) PowerShell
3 114 (17.76%) Python
4 100 (15.58%) T-SQL
5 60 (9.35%) Bash Shell
6 50 (7.79%) Java
7 41 (6.39%) Ruby
8 31 (4.83%) Shell Script
9 29 (4.52%) Go
10 27 (4.21%) C#
11 24 (3.74%) PHP
12 22 (3.43%) Perl
13 14 (2.18%) R
14 12 (1.87%) JavaScript
15 9 (1.40%) PL/SQL
16 7 (1.09%) Java 8
17 6 (0.93%) ABAP
17 6 (0.93%) F#
17 6 (0.93%) VB.NET
17 6 (0.93%) VBScript
Qualifications
1 65 (10.12%) Microsoft Certification
2 59 (9.19%) Degree
3 50 (7.79%) Security Cleared
4 45 (7.01%) MCSE
5 34 (5.30%) Cisco Certification
6 33 (5.14%) SC Cleared
7 27 (4.21%) MCSA
8 21 (3.27%) VMware Certified Professional (VCP)
9 19 (2.96%) CCNA
10 16 (2.49%) CCNP
11 12 (1.87%) DV Cleared
11 12 (1.87%) MCP
12 10 (1.56%) CCDP
12 10 (1.56%) VCP5
13 9 (1.40%) ITIL Certification
14 6 (0.93%) MCITP
15 4 (0.62%) LPIC
15 4 (0.62%) MCTS
15 4 (0.62%) RHCE
15 4 (0.62%) RHCSA
Quality Assurance & Compliance
1 51 (7.94%) SLA
2 11 (1.71%) ISO/IEC 27001
3 6 (0.93%) HIPAA
3 6 (0.93%) QA
4 4 (0.62%) GDPR
5 3 (0.47%) ISO 9001
6 2 (0.31%) NIST
6 2 (0.31%) PCI DSS
7 1 (0.16%) COBIT
7 1 (0.16%) ISO 14001
7 1 (0.16%) NCSC
7 1 (0.16%) RMADS
7 1 (0.16%) Sarbanes-Oxley
System Software
1 245 (38.16%) Active Directory
2 137 (21.34%) VMware Infrastructure
3 121 (18.85%) Hyper-V
4 72 (11.21%) Docker
5 62 (9.66%) XenApp
6 54 (8.41%) vSphere
7 32 (4.98%) VMware ESXi
8 27 (4.21%) XenDesktop
9 23 (3.58%) Virtual Machines
10 21 (3.27%) Firmware
11 16 (2.49%) DRBD
12 14 (2.18%) Oracle RAC
13 12 (1.87%) Microsoft App-V
14 11 (1.71%) KVM
15 10 (1.56%) GlusterFS
15 10 (1.56%) Terminal Services
16 8 (1.25%) Virtual Servers
16 8 (1.25%) Xen
17 6 (0.93%) Btrfs
17 6 (0.93%) Ceph
Systems Management
1 104 (16.20%) SCCM
2 102 (15.89%) Microsoft Clustering
3 68 (10.59%) Puppet
4 66 (10.28%) Ansible
5 55 (8.57%) SCOM
6 44 (6.85%) Nagios
7 39 (6.07%) Failover Clustering
8 38 (5.92%) Opscode Chef
9 36 (5.61%) WSUS
9 36 (5.61%) ZABBIX
10 30 (4.67%) Terraform
11 29 (4.52%) Prometheus
12 28 (4.36%) Kubernetes
13 23 (3.58%) Grafana
14 19 (2.96%) Docker Swarm
15 14 (2.18%) Data Guard
15 14 (2.18%) vCenter Server
16 13 (2.02%) SCVMM
17 11 (1.71%) XenMobile
18 10 (1.56%) Galera Cluster
Vendors
1 254 (39.56%) Microsoft
2 242 (37.69%) VMware
3 133 (20.72%) Cisco
4 97 (15.11%) Citrix
5 85 (13.24%) Oracle
6 78 (12.15%) HP
7 67 (10.44%) Red Hat
8 53 (8.26%) Dell
9 41 (6.39%) NetApp
10 39 (6.07%) EMC
11 32 (4.98%) SAP
12 29 (4.52%) ServiceNow
13 27 (4.21%) Veeam
14 23 (3.58%) Tableau
15 21 (3.27%) Dell Compellent
16 20 (3.12%) Symantec
17 14 (2.18%) 3PAR
17 14 (2.18%) Percona
17 14 (2.18%) Veritas
18 12 (1.87%) Google