Period
to 20 October 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 20 October 2019 with a comparison to the same period over the previous 2 years.

Clustering
UK > England
6 months to
20 Oct 2019
Same period 2018 Same period 2017
Rank 547 524 430
Rank change year-on-year -23 -94 -29
Permanent jobs citing Clustering 595 817 1,205
As % of all permanent IT jobs advertised in England 0.47% 0.54% 0.74%
As % of the Miscellaneous category 1.21% 1.35% 1.81%
Number of salaries quoted 468 656 1,025
England median annual salary £55,000 £52,500 £50,000
Median salary % change year-on-year +4.76% +5.00% -
10th Percentile £36,250 £33,938 £34,700
90th Percentile £82,500 £82,500 £77,500
UK median annual salary £52,500 £52,500 £50,000
% change year-on-year - +5.00% -

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 49,360 60,521 66,459
As % of all permanent IT jobs advertised in England 39.25% 39.72% 40.63%
Number of salaries quoted 37,520 46,634 49,552
England median annual salary £55,000 £52,500 £50,000
Median salary % change year-on-year +4.76% +5.00% -
10th Percentile £29,750 £29,250 £27,500
90th Percentile £90,000 £86,250 £82,500
UK median annual salary £52,500 £52,500 £50,000
% change year-on-year - +5.00% -

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 20 October 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 20 October 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 -27 244 £65,000 +8.33% 43
South East +42 129 £50,000 - 30
North of England -7 81 £45,000 +8.43% 19
South West +24 59 £47,500 +11.76% 7
Midlands -1 55 £45,000 +5.88% 5
North West +12 46 £37,500 -12.31% 8
West Midlands +37 44 £42,500 -3.41% 4
Yorkshire -6 33 £55,000 +57.14% 9
East of England +72 26 £42,500 -17.48% 14
East Midlands -15 11 £47,500 +28.38% 1
North East +18 2 £42,936 +12.21% 2
Clustering
UK

For the 6 months to 20 October 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.

1 374 (62.86%) Windows
2 287 (48.24%) SQL
3 254 (42.69%) Microsoft
4 243 (40.84%) Active Directory
4 243 (40.84%) SQL Server
5 224 (37.65%) VMware
6 217 (36.47%) Linux
7 207 (34.79%) Windows Server
8 198 (33.28%) Azure
9 174 (29.24%) PowerShell
9 174 (29.24%) Replication
10 169 (28.40%) High Availability
11 135 (22.69%) AWS
11 135 (22.69%) VMware Infrastructure
12 127 (21.34%) Hyper-V
13 126 (21.18%) Cisco
14 117 (19.66%) Agile Software Development
15 115 (19.33%) Infrastructure Engineering
16 113 (18.99%) DNS
17 111 (18.66%) SAN
18 106 (17.82%) Disaster Recovery
19 105 (17.65%) Performance Tuning
20 103 (17.31%) Finance
21 98 (16.47%) DHCP
22 96 (16.13%) Office 365
23 93 (15.63%) Microsoft Clustering
24 92 (15.46%) MySQL
24 92 (15.46%) SQL Server Integration Services
25 89 (14.96%) ITIL
26 88 (14.79%) Python

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 75 (12.61%) MS Exchange
2 55 (9.24%) SharePoint
3 39 (6.55%) IIS
4 27 (4.54%) Exchange Server 2010
5 20 (3.36%) SAS
6 18 (3.03%) Apache
7 15 (2.52%) Tomcat
8 13 (2.18%) Elasticsearch
9 9 (1.51%) Anypoint
10 8 (1.34%) Exchange Server 2013
11 6 (1.01%) Exchange Server 2007
11 6 (1.01%) nginx
11 6 (1.01%) SharePoint 2010
11 6 (1.01%) SharePoint 2013
12 5 (0.84%) Skype for Business
13 3 (0.50%) Jetty
14 2 (0.34%) BizTalk Server
14 2 (0.34%) Confluence
14 2 (0.34%) Oracle SOA Suite
14 2 (0.34%) WordPress
Applications
1 25 (4.20%) Microsoft Office
2 8 (1.34%) Microsoft Excel
3 5 (0.84%) InfoPath
4 2 (0.34%) Abaqus
5 1 (0.17%) MS Visio
Business Applications
1 4 (0.67%) Oracle Applications
2 3 (0.50%) Payment Gateway
3 1 (0.17%) Oracle BRM
Cloud Services
1 198 (33.28%) Azure
2 135 (22.69%) AWS
3 96 (16.13%) Office 365
4 33 (5.55%) Azure Active Directory
5 28 (4.71%) IaaS
6 23 (3.87%) PaaS
7 20 (3.36%) SaaS
8 19 (3.19%) Amazon EC2
8 19 (3.19%) Amazon ELB
8 19 (3.19%) Amazon S3
8 19 (3.19%) Cloud Computing
9 17 (2.86%) Amazon EMR
10 15 (2.52%) Power Platform
11 10 (1.68%) AWS CloudFormation
12 8 (1.34%) GCP
12 8 (1.34%) Serverless
12 8 (1.34%) Virtual Private Cloud
13 6 (1.01%) Amazon SQS
13 6 (1.01%) AWS Lambda
14 4 (0.67%) Azure Data Factory
Communications & Networking
1 113 (18.99%) DNS
2 111 (18.66%) SAN
3 98 (16.47%) DHCP
4 78 (13.11%) Firewall
5 74 (12.44%) TCP/IP
6 73 (12.27%) NAS
7 63 (10.59%) WAN
8 62 (10.42%) LAN
9 52 (8.74%) iSCSI
10 47 (7.90%) Wireless
11 44 (7.39%) HTTP
12 41 (6.89%) VPN
13 39 (6.55%) VLAN
14 34 (5.71%) Fibre Channel
15 26 (4.37%) SNMP
16 23 (3.87%) Internet
16 23 (3.87%) Multicast
17 22 (3.70%) SMTP
18 21 (3.53%) IGMP
18 21 (3.53%) WLAN
Database & Business Intelligence
1 243 (40.84%) SQL Server
2 92 (15.46%) MySQL
2 92 (15.46%) SQL Server Integration Services
3 83 (13.95%) SQL Server Reporting Services
4 59 (9.92%) SQL Server 2012
5 57 (9.58%) Relational Database
6 54 (9.08%) MongoDB
7 52 (8.74%) PostgreSQL
8 47 (7.90%) RDBMS
9 42 (7.06%) SQL Server Analysis Services
10 40 (6.72%) SQL Server 2014
11 39 (6.55%) SQL Server 2008
12 34 (5.71%) NoSQL
13 30 (5.04%) Amazon RDS
14 29 (4.87%) SQL Server 2017
15 26 (4.37%) Data Warehouse
15 26 (4.37%) Oracle Database
16 22 (3.70%) SQL Server 2016
17 20 (3.36%) MariaDB
17 20 (3.36%) SQL Server 2005
Development Applications
1 55 (9.24%) Git (software)
2 43 (7.23%) Subversion
3 20 (3.36%) Jenkins
4 10 (1.68%) Ant
5 9 (1.51%) JIRA
5 9 (1.51%) Maven
5 9 (1.51%) Octopus Deploy
6 7 (1.18%) Team Foundation Server
6 7 (1.18%) TeamCity
7 6 (1.01%) Visual Studio
8 5 (0.84%) Oracle Forms
9 4 (0.67%) GitLab
10 3 (0.50%) MSI
11 2 (0.34%) Eclipse
12 1 (0.17%) JUnit
12 1 (0.17%) SQL Server Management Studio (SSMS)
General
1 103 (17.31%) Finance
2 28 (4.71%) Manufacturing
3 23 (3.87%) Banking
4 21 (3.53%) Telecoms
5 20 (3.36%) Marketing
6 17 (2.86%) Public Sector
7 16 (2.69%) Electronics
7 16 (2.69%) Retail
8 9 (1.51%) Automotive
9 8 (1.34%) Games
10 7 (1.18%) Advertising
11 6 (1.01%) Aerospace
12 5 (0.84%) Housing Association
13 2 (0.34%) Back Office
13 2 (0.34%) Law
13 2 (0.34%) Legal
14 1 (0.17%) Billing
14 1 (0.17%) Investment Banking
14 1 (0.17%) Multimedia
Job Titles
1 151 (25.38%) DBA
2 114 (19.16%) SQL DBA
3 102 (17.14%) Administrator
4 99 (16.64%) Infrastructure Engineer
5 67 (11.26%) Architect
6 50 (8.40%) SQL Server DBA
7 46 (7.73%) Senior DBA
8 44 (7.39%) Systems Administrator
9 39 (6.55%) Analyst
10 36 (6.05%) Senior SQL DBA
11 32 (5.38%) DevOps Engineer
12 31 (5.21%) Consultant
13 30 (5.04%) Linux Engineer
14 27 (4.54%) Developer
15 26 (4.37%) Senior Infrastructure Engineer
16 25 (4.20%) 3rd Line Engineer
16 25 (4.20%) Network Administrator
17 24 (4.03%) Technical Architect
18 23 (3.87%) Support Engineer
19 21 (3.53%) Systems Engineer
Libraries, Frameworks & Software Standards
1 29 (4.87%) LDAP
2 28 (4.71%) Web Services
3 26 (4.37%) LAMP
4 21 (3.53%) .NET
4 21 (3.53%) Kafka
5 20 (3.36%) RabbitMQ
5 20 (3.36%) Spring
6 18 (3.03%) JSON
7 17 (2.86%) ActiveMQ
8 15 (2.52%) XML
9 14 (2.35%) 802.1X
9 14 (2.35%) HTML
10 11 (1.85%) CSS
11 10 (1.68%) JDBC
11 10 (1.68%) jQuery
12 9 (1.51%) ASP.NET
12 9 (1.51%) Middleware
13 7 (1.18%) Flash
13 7 (1.18%) Guava
14 5 (0.84%) Backbone.js
Miscellaneous
1 174 (29.24%) Replication
2 86 (14.45%) Data Centre
3 38 (6.39%) Analytical Skills
4 36 (6.05%) Management Information System
5 33 (5.55%) Self-Motivation
6 32 (5.38%) PKI
7 24 (4.03%) Linux Command Line
8 21 (3.53%) IPTV
8 21 (3.53%) MPEG
8 21 (3.53%) Video\Live Streaming
9 18 (3.03%) Enterprise Software
10 16 (2.69%) Hedge funds
11 11 (1.85%) Public Cloud
12 10 (1.68%) Enterprise Storage
13 9 (1.51%) EMC VNX
13 9 (1.51%) PlayStation
14 8 (1.34%) Hybrid Cloud
14 8 (1.34%) Private Cloud
15 7 (1.18%) Fat Client
15 7 (1.18%) Thin Client
Operating Systems
1 374 (62.86%) Windows
2 217 (36.47%) Linux
3 207 (34.79%) Windows Server
4 70 (11.76%) Windows Server 2012
5 61 (10.25%) Unix
6 52 (8.74%) Windows Server 2008
7 46 (7.73%) Red Hat Enterprise Linux
8 40 (6.72%) CentOS
8 40 (6.72%) Ubuntu
9 35 (5.88%) Solaris
10 29 (4.87%) Windows 10
11 14 (2.35%) Oracle Linux
12 13 (2.18%) SUSE
13 12 (2.02%) Windows 7
14 10 (1.68%) Debian
15 6 (1.01%) Windows 8
16 3 (0.50%) AIX
16 3 (0.50%) Android
16 3 (0.50%) Fedora
16 3 (0.50%) Mac OS X
Processes & Methodologies
1 169 (28.40%) High Availability
2 117 (19.66%) Agile Software Development
3 115 (19.33%) Infrastructure Engineering
4 106 (17.82%) Disaster Recovery
5 105 (17.65%) Performance Tuning
6 89 (14.96%) ITIL
7 84 (14.12%) DevOps
8 79 (13.28%) Load Balancing
9 68 (11.43%) Migration
10 67 (11.26%) Configuration Management
11 52 (8.74%) Performance Monitoring
11 52 (8.74%) Problem-Solving
12 40 (6.72%) Database Mirroring
13 39 (6.55%) Business Intelligence
14 38 (6.39%) ETL
15 37 (6.22%) Information Security
16 36 (6.05%) Capacity Planning
17 35 (5.88%) Business Continuity
18 33 (5.55%) Project Delivery
19 31 (5.21%) Scrum
Programming Languages
1 287 (48.24%) SQL
2 174 (29.24%) PowerShell
3 88 (14.79%) Python
4 82 (13.78%) T-SQL
5 65 (10.92%) Bash Shell
6 47 (7.90%) Java
7 39 (6.55%) Ruby
8 31 (5.21%) Shell Script
9 22 (3.70%) C#
10 21 (3.53%) Go
10 21 (3.53%) Perl
11 18 (3.03%) PHP
12 13 (2.18%) PL/SQL
13 8 (1.34%) Java 8
13 8 (1.34%) JavaScript
14 5 (0.84%) ABAP
15 4 (0.67%) VB
15 4 (0.67%) VBScript
16 3 (0.50%) C
16 3 (0.50%) PHP 5
Qualifications
1 80 (13.45%) Degree
2 57 (9.58%) Microsoft Certification
3 48 (8.07%) Security Cleared
4 35 (5.88%) MCSE
5 33 (5.55%) SC Cleared
6 32 (5.38%) Cisco Certification
7 21 (3.53%) CCNA
8 17 (2.86%) MCP
8 17 (2.86%) MCSA
9 16 (2.69%) CCNP
10 15 (2.52%) VMware Certified Professional (VCP)
11 11 (1.85%) DV Cleared
12 10 (1.68%) CCDP
13 9 (1.51%) VCP5
14 8 (1.34%) Computer Science Degree
15 6 (1.01%) ITIL Certification
16 3 (0.50%) MCTS
16 3 (0.50%) RHCSA
17 2 (0.34%) Master's Degree
17 2 (0.34%) MCITP
Quality Assurance & Compliance
1 58 (9.75%) SLA
2 13 (2.18%) ISO/IEC 27001
3 9 (1.51%) QA
4 5 (0.84%) ISO 9001
5 3 (0.50%) NCSC
6 2 (0.34%) HIPAA
6 2 (0.34%) NIST
6 2 (0.34%) PCI DSS
6 2 (0.34%) RMADS
7 1 (0.17%) COBIT
7 1 (0.17%) Data Quality
7 1 (0.17%) GDPR
7 1 (0.17%) Sarbanes-Oxley
System Software
1 243 (40.84%) Active Directory
2 135 (22.69%) VMware Infrastructure
3 127 (21.34%) Hyper-V
4 62 (10.42%) Docker
5 51 (8.57%) XenApp
6 49 (8.24%) vSphere
7 34 (5.71%) Virtual Machines
8 30 (5.04%) Firmware
8 30 (5.04%) VMware ESXi
9 21 (3.53%) DRBD
9 21 (3.53%) XenDesktop
10 14 (2.35%) Oracle RAC
11 10 (1.68%) GlusterFS
11 10 (1.68%) KVM
12 8 (1.34%) Terminal Services
12 8 (1.34%) Virtual Servers
13 7 (1.18%) Btrfs
13 7 (1.18%) Ceph
13 7 (1.18%) Postfix
13 7 (1.18%) Xen
Systems Management
1 93 (15.63%) Microsoft Clustering
2 83 (13.95%) SCCM
3 76 (12.77%) Puppet
4 61 (10.25%) Ansible
5 46 (7.73%) Nagios
6 42 (7.06%) SCOM
7 39 (6.55%) Opscode Chef
8 38 (6.39%) ZABBIX
9 36 (6.05%) Terraform
10 30 (5.04%) Failover Clustering
10 30 (5.04%) Prometheus
11 28 (4.71%) Kubernetes
12 27 (4.54%) WSUS
13 17 (2.86%) Docker Swarm
13 17 (2.86%) vCenter Server
14 16 (2.69%) SCVMM
15 14 (2.35%) Grafana
16 12 (2.02%) XenMobile
17 11 (1.85%) Data Guard
18 10 (1.68%) Galera Cluster
Vendors
1 254 (42.69%) Microsoft
2 224 (37.65%) VMware
3 126 (21.18%) Cisco
4 87 (14.62%) Oracle
5 86 (14.45%) Citrix
6 70 (11.76%) Red Hat
7 68 (11.43%) HP
8 43 (7.23%) Dell
9 40 (6.72%) EMC
10 35 (5.88%) NetApp
11 27 (4.54%) ServiceNow
12 22 (3.70%) SAP
13 20 (3.36%) 3PAR
13 20 (3.36%) Dell Compellent
13 20 (3.36%) Symantec
13 20 (3.36%) Veeam
14 15 (2.52%) Juniper
15 14 (2.35%) Extreme Networks
15 14 (2.35%) Veritas
16 13 (2.18%) Percona