Period
to 15 November 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 15 November 2018 with a comparison to the same period over the previous 2 years.

Clustering
UK
6 months to
15 Nov 2018
Same period 2017 Same period 2016
Rank 502 419 386
Rank change year-on-year -83 -33 -66
Permanent jobs citing Clustering 891 1,324 1,512
As % of all permanent IT jobs advertised in the UK 0.55% 0.73% 0.79%
As % of the Miscellaneous category 1.24% 1.65% 1.87%
Number of salaries quoted 717 1,135 1,236
UK median annual salary £52,500 £50,000 £50,000
Median salary % change year-on-year +5.00% - +2.04%
10th Percentile £32,825 £33,750 £32,500
90th Percentile £81,750 £77,500 £71,250
UK excluding London median annual salary £43,500 £42,500 £47,500
% change year-on-year +2.35% -10.53% +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 72,072 80,037 80,762
As % of all permanent IT jobs advertised in the UK 44.22% 44.33% 42.26%
Number of salaries quoted 55,990 60,387 66,353
UK median annual salary £52,500 £50,000 £50,000
Median salary % change year-on-year +5.00% - +5.26%
10th Percentile £28,250 £27,500 £27,000
90th Percentile £86,250 £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 15 November 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 15 November 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 -71 837 £52,500 +5.00% 118
UK excluding London -83 475 £43,500 +2.35% 88
London -63 398 £60,000 - 36
South East -99 145 £50,000 +5.26% 35
North of England -15 115 £41,548 +1.34% 25
Midlands +14 102 £42,500 +6.25% 11
North West +47 73 £44,500 +4.71% 17
East Midlands +9 52 £35,000 -12.50% 5
West Midlands +23 49 £43,250 +8.13% 6
South West +24 48 £42,750 +0.59% 8
Yorkshire -14 39 £35,000 -14.11% 6
East of England +13 28 £55,000 +17.02% 4
Scotland -2 23 £38,500 -6.67% 4
Wales +9 15 £40,000 +3.90% 2
Northern Ireland - 4 £25,000 -
North East -21 3 £43,028 +7.57% 2

For the 6 months to 15 November 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.

1 471 (52.86%) Windows
2 450 (50.51%) SQL Server
3 445 (49.94%) SQL
4 367 (41.19%) Microsoft
5 324 (36.36%) VMware
6 300 (33.67%) Active Directory
6 300 (33.67%) Windows Server
7 265 (29.74%) Linux
8 252 (28.28%) High Availability
9 239 (26.82%) Microsoft Azure
10 206 (23.12%) Replication
11 205 (23.01%) Finance
12 193 (21.66%) VMware Infrastructure
13 176 (19.75%) ITIL
14 171 (19.19%) DNS
15 161 (18.07%) Hyper-V
16 156 (17.51%) SAN
17 153 (17.17%) Disaster Recovery
18 152 (17.06%) Oracle
18 152 (17.06%) Performance Tuning
19 150 (16.84%) Windows Server 2008
20 148 (16.61%) Microsoft Clustering
21 147 (16.50%) SQL Server Integration Services
22 145 (16.27%) Windows Server 2012
23 139 (15.60%) T-SQL
24 137 (15.38%) PowerShell
24 137 (15.38%) Amazon AWS
25 135 (15.15%) DHCP
26 133 (14.93%) Citrix
27 132 (14.81%) SQL Server Reporting Services

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
1 102 (11.45%) MS Exchange
2 83 (9.32%) IIS
3 67 (7.52%) SharePoint
4 43 (4.83%) Exchange Server 2010
5 29 (3.25%) Skype for Business
6 27 (3.03%) Apache
7 24 (2.69%) Exchange Server 2013
8 19 (2.13%) Confluence
8 19 (2.13%) Elasticsearch
8 19 (2.13%) Exchange Server 2007
8 19 (2.13%) Tomcat
9 16 (1.80%) nginx
10 14 (1.57%) BizTalk Server
10 14 (1.57%) Oracle Application Server
11 12 (1.35%) SharePoint 2013
12 11 (1.23%) Exchange Server 2003
13 10 (1.12%) CMS
13 10 (1.12%) OpenStack
14 8 (0.90%) SAS
15 7 (0.79%) WebSphere
Applications
1 26 (2.92%) Microsoft Office
2 10 (1.12%) MS Visio
3 7 (0.79%) Microsoft Excel
4 1 (0.11%) InfoPath
4 1 (0.11%) Microsoft PowerPoint
Business Applications
1 4 (0.45%) Dynamics CRM
2 3 (0.34%) Infor M3
3 2 (0.22%) Payment Gateway
3 2 (0.22%) Temenos T24
4 1 (0.11%) Distributed Ledger
4 1 (0.11%) SAP ERP
4 1 (0.11%) SAP S/4HANA
4 1 (0.11%) Siebel Analytics
Cloud Services
1 239 (26.82%) Microsoft Azure
2 137 (15.38%) Amazon AWS
3 102 (11.45%) Office 365
4 52 (5.84%) IaaS
5 34 (3.82%) Google Cloud Platform
6 31 (3.48%) Azure Active Directory
7 23 (2.58%) Amazon EC2
7 23 (2.58%) Amazon ELB
7 23 (2.58%) Cloud Computing
7 23 (2.58%) SaaS
8 22 (2.47%) AWS CloudFormation
9 20 (2.24%) PaaS
10 18 (2.02%) GitHub
11 12 (1.35%) Amazon EMR
11 12 (1.35%) Amazon S3
12 11 (1.23%) Amazon ElastiCache
12 11 (1.23%) Mimecast
12 11 (1.23%) Route 53
13 7 (0.79%) Amazon Kinesis
13 7 (0.79%) Cloudflare
Communications & Networking
1 171 (19.19%) DNS
2 156 (17.51%) SAN
3 135 (15.15%) DHCP
4 112 (12.57%) TCP/IP
5 105 (11.78%) Firewall
6 69 (7.74%) WAN
7 56 (6.29%) VLAN
7 56 (6.29%) VPN
8 55 (6.17%) LAN
9 47 (5.27%) NAS
10 45 (5.05%) Internet
11 28 (3.14%) Remote Desktop
12 26 (2.92%) Wireless
13 24 (2.69%) HTTP
14 23 (2.58%) Unified Communications
15 22 (2.47%) NetScaler
15 22 (2.47%) Network Security
16 20 (2.24%) Skype
16 20 (2.24%) VoIP
17 18 (2.02%) IPsec
Database & Business Intelligence
1 450 (50.51%) SQL Server
2 147 (16.50%) SQL Server Integration Services
3 132 (14.81%) SQL Server Reporting Services
4 113 (12.68%) SQL Server 2008
5 103 (11.56%) MySQL
6 93 (10.44%) SQL Server 2012
6 93 (10.44%) SQL Server 2014
7 83 (9.32%) SQL Server Analysis Services
8 77 (8.64%) SQL Server 2016
9 75 (8.42%) Oracle Database
10 65 (7.30%) Relational Database
11 59 (6.62%) Data Warehouse
12 45 (5.05%) PostgreSQL
13 44 (4.94%) RDBMS
14 40 (4.49%) NoSQL
15 34 (3.82%) MongoDB
16 33 (3.70%) Amazon RDS
17 28 (3.14%) Big Data
18 26 (2.92%) Hadoop
19 22 (2.47%) Microsoft Analysis Services
Development Applications
1 25 (2.81%) Jenkins
2 24 (2.69%) Git (software)
3 21 (2.36%) TeamCity
4 20 (2.24%) JIRA
5 17 (1.91%) Octopus Deploy
5 17 (1.91%) Subversion
6 12 (1.35%) Team Foundation Server
7 11 (1.23%) Visual Studio
8 6 (0.67%) Visual Studio Team System
9 5 (0.56%) Atlassian Bamboo
9 5 (0.56%) Maven
10 3 (0.34%) Bitbucket
10 3 (0.34%) git-flow
10 3 (0.34%) Introscope
10 3 (0.34%) Travis CI
10 3 (0.34%) webpack
11 2 (0.22%) JMeter
11 2 (0.22%) Mercurial
11 2 (0.22%) Mocha
11 2 (0.22%) Xdebug
General
1 205 (23.01%) Finance
2 59 (6.62%) Banking
3 33 (3.70%) Retail
4 27 (3.03%) Marketing
5 22 (2.47%) Manufacturing
6 21 (2.36%) Telecoms
7 14 (1.57%) Advertising
7 14 (1.57%) Legal
8 11 (1.23%) Electronics
9 10 (1.12%) Publishing
10 9 (1.01%) Law
11 6 (0.67%) Aerospace
11 6 (0.67%) Military
12 5 (0.56%) Billing
13 3 (0.34%) Financial Institution
14 2 (0.22%) Games
14 2 (0.22%) Multimedia
15 1 (0.11%) Back Office
15 1 (0.11%) German Language
15 1 (0.11%) Spanish Language
Job Titles
1 314 (35.24%) DBA
2 253 (28.40%) SQL DBA
3 203 (22.78%) Administrator
4 125 (14.03%) SQL Server DBA
5 107 (12.01%) Infrastructure Engineer
6 55 (6.17%) Support Engineer
7 50 (5.61%) 3rd Line Engineer
7 50 (5.61%) Senior DBA
8 44 (4.94%) Systems Administrator
9 41 (4.60%) Systems Engineer
10 40 (4.49%) Architect
11 37 (4.15%) Senior SQL DBA
12 34 (3.82%) Analyst
13 33 (3.70%) IT Engineer
14 32 (3.59%) Developer
14 32 (3.59%) Linux Engineer
15 31 (3.48%) DevOps Engineer
15 31 (3.48%) Oracle DBA
16 30 (3.37%) 3rd Line Support
16 30 (3.37%) Infrastructure Support
Libraries, Frameworks & Software Standards
1 35 (3.93%) .NET
2 33 (3.70%) Web Services
3 29 (3.25%) RabbitMQ
4 19 (2.13%) HTML
5 17 (1.91%) Kafka
6 16 (1.80%) .NET Framework
7 15 (1.68%) Ajax
7 15 (1.68%) Elastic Stack
7 15 (1.68%) LAMP
7 15 (1.68%) REST
8 14 (1.57%) ASP.NET
8 14 (1.57%) WCF
9 13 (1.46%) LEMP Stack
10 12 (1.35%) ActiveMQ
11 11 (1.23%) Flash
11 11 (1.23%) LDAP
12 10 (1.12%) J2EE
12 10 (1.12%) SOAP
13 9 (1.01%) Middleware
13 9 (1.01%) XMPP
Miscellaneous
1 206 (23.12%) Replication
2 111 (12.46%) Data Centre
3 49 (5.50%) Analytical Skills
4 35 (3.93%) Computer Science
5 20 (2.24%) PKI
6 19 (2.13%) Management Information System
7 18 (2.02%) Hybrid Cloud
8 17 (1.91%) Self-Motivation
9 15 (1.68%) Public Cloud
10 14 (1.57%) Client/Server
11 13 (1.46%) Linux Command Line
11 13 (1.46%) Private Cloud
12 11 (1.23%) EMC VNX
12 11 (1.23%) HACMP
12 11 (1.23%) Hedge funds
13 10 (1.12%) Driving Licence
14 9 (1.01%) Enterprise Storage
15 8 (0.90%) Fintech
16 7 (0.79%) Fat Client
16 7 (0.79%) Thin Client
Operating Systems
1 471 (52.86%) Windows
2 300 (33.67%) Windows Server
3 265 (29.74%) Linux
4 150 (16.84%) Windows Server 2008
5 145 (16.27%) Windows Server 2012
6 103 (11.56%) Red Hat Enterprise Linux
7 71 (7.97%) Unix
8 54 (6.06%) Windows Server 2003
9 41 (4.60%) CentOS
10 40 (4.49%) Windows 10
11 33 (3.70%) Ubuntu
12 32 (3.59%) Solaris
13 25 (2.81%) Windows 7
14 18 (2.02%) Oracle Linux
15 16 (1.80%) Windows 8
16 12 (1.35%) AIX
17 11 (1.23%) SUSE
18 5 (0.56%) FreeBSD
19 4 (0.45%) Debian
19 4 (0.45%) Windows 2000
Processes & Methodologies
1 252 (28.28%) High Availability
2 176 (19.75%) ITIL
3 153 (17.17%) Disaster Recovery
4 152 (17.06%) Performance Tuning
5 128 (14.37%) Infrastructure Engineering
6 115 (12.91%) Migration
7 101 (11.34%) DevOps
8 97 (10.89%) Load Balancing
9 93 (10.44%) Agile Software Development
10 83 (9.32%) Capacity Planning
11 79 (8.87%) Problem-Solving
12 72 (8.08%) Business Intelligence
13 54 (6.06%) Network Load Balancing
13 54 (6.06%) Patch Management
14 51 (5.72%) Service Management
15 49 (5.50%) Performance Optimisation
16 47 (5.27%) Configuration Management
17 45 (5.05%) Database Security
18 44 (4.94%) Capacity Management
18 44 (4.94%) Continuous Integration
Programming Languages
1 445 (49.94%) SQL
2 139 (15.60%) T-SQL
3 137 (15.38%) PowerShell
4 100 (11.22%) Python
5 68 (7.63%) Java
6 45 (5.05%) Bash Shell
7 41 (4.60%) C#
8 35 (3.93%) JavaScript
9 27 (3.03%) Perl
9 27 (3.03%) Shell Script
10 26 (2.92%) Ruby
11 22 (2.47%) PL/SQL
12 21 (2.36%) Go
13 16 (1.80%) VBScript
14 13 (1.46%) PHP
15 11 (1.23%) Korn
16 10 (1.12%) VB
17 8 (0.90%) Bourne shell
18 7 (0.79%) Scala
19 5 (0.56%) ActionScript 2.0
Qualifications
1 93 (10.44%) Microsoft Certification
2 64 (7.18%) Degree
3 60 (6.73%) MCSE
4 51 (5.72%) VMware Certified Professional (VCP)
5 47 (5.27%) Cisco Certification
6 43 (4.83%) Security Cleared
7 40 (4.49%) MCSA
8 36 (4.04%) SC Cleared
9 30 (3.37%) CCNA
10 25 (2.81%) CCNP
11 17 (1.91%) Citrix Certification
11 17 (1.91%) Computer Science Degree
11 17 (1.91%) MCITP
11 17 (1.91%) RHCE
12 13 (1.46%) AWS Certification
12 13 (1.46%) ITIL Certification
12 13 (1.46%) MCP
13 9 (1.01%) CCIE
13 9 (1.01%) CCVP
14 8 (0.90%) VCP5
Quality Assurance & Compliance
1 33 (3.70%) SLA
2 24 (2.69%) ISO/IEC 27001
3 23 (2.58%) QA
4 15 (1.68%) GDPR
5 8 (0.90%) PMO
6 7 (0.79%) PCI DSS
7 4 (0.45%) Data Quality
8 3 (0.34%) COBIT
9 2 (0.22%) TickIT
10 1 (0.11%) Cyber Essentials
10 1 (0.11%) HIPAA
10 1 (0.11%) ISO/IEC 20000
10 1 (0.11%) Sarbanes-Oxley
System Software
1 300 (33.67%) Active Directory
2 193 (21.66%) VMware Infrastructure
3 161 (18.07%) Hyper-V
4 58 (6.51%) Docker
5 44 (4.94%) VMware ESXi
6 38 (4.26%) XenApp
7 37 (4.15%) vSphere
8 30 (3.37%) Oracle RAC
9 28 (3.14%) XenDesktop
10 21 (2.36%) Virtual Machines
11 19 (2.13%) Virtual Servers
12 15 (1.68%) DFS Replication
13 14 (1.57%) Veritas Cluster Server
14 11 (1.23%) Firmware
15 10 (1.12%) Microsoft App-V
16 9 (1.01%) GPFS
16 9 (1.01%) Postfix
16 9 (1.01%) Terminal Services
17 7 (0.79%) ISA Server
17 7 (0.79%) Oracle Clusterware
Systems Management
1 148 (16.61%) Microsoft Clustering
2 87 (9.76%) Failover Clustering
3 72 (8.08%) SCCM
4 69 (7.74%) SCOM
5 65 (7.30%) Ansible
6 58 (6.51%) Opscode Chef
7 40 (4.49%) Puppet
8 38 (4.26%) Nagios
9 26 (2.92%) Kubernetes
10 25 (2.81%) Terraform
11 23 (2.58%) Data Guard
12 21 (2.36%) WSUS
13 19 (2.13%) vCenter Server
14 17 (1.91%) Prometheus
14 17 (1.91%) SCOrch
15 15 (1.68%) Docker Swarm
16 13 (1.46%) Backup Exec
17 12 (1.35%) ZABBIX
18 11 (1.23%) Cacti
18 11 (1.23%) logstash
Vendors
1 367 (41.19%) Microsoft
2 324 (36.36%) VMware
3 152 (17.06%) Oracle
4 133 (14.93%) Citrix
5 118 (13.24%) Cisco
6 97 (10.89%) Red Hat
7 76 (8.53%) HP
8 68 (7.63%) SolarWinds
9 31 (3.48%) IBM
10 28 (3.14%) SAP
10 28 (3.14%) Symantec
11 27 (3.03%) Veritas
12 26 (2.92%) Google
13 25 (2.81%) Veeam
14 23 (2.58%) CommVault
14 23 (2.58%) NetApp
15 22 (2.47%) EMC
16 21 (2.36%) Dell
17 16 (1.80%) Nimble Storage
18 12 (1.35%) 3PAR