Period
to 6 December 2019

The table below looks at the prevalence of the term Clustering in contract job vacancies. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Clustering over the 6 months to 6 December 2019 with a comparison to the same period over the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Clustering
UK
6 months to
6 Dec 2019
Same period 2018 Same period 2017
Rank 412 449 430
Rank change year-on-year +37 -19 -104
Contract jobs citing Clustering 431 523 576
As % of all contract IT jobs advertised in the UK 0.53% 0.50% 0.55%
As % of the Miscellaneous category 1.70% 1.55% 1.67%
Number of daily rates quoted 291 338 398
UK median daily rate £425 £413 £410
Median daily rate % change year-on-year +3.03% +0.61% +7.89%
10th Percentile £321 £280 £300
90th Percentile £588 £575 £578
UK excluding London median daily rate £425 £388 £389
% change year-on-year +9.68% -0.32% +14.34%
Number of hourly rates quoted 7 9 11
UK median hourly rate £42.50 £42.27 £32.00
Median hourly rate % change year-on-year +0.56% +32.08% +14.29%
10th Percentile £29.90 £25.22 £21.75
90th Percentile £47.20 £46.97 £32.50
UK excluding London median hourly rate £44.75 £42.27 £32.00
% change year-on-year +5.88% +32.08% +14.29%

Clustering is in the Generic IT Skills category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for generic IT skills.

All Generic IT Skills
UK
Contract vacancies with a requirement for generic IT skills 25,354 33,802 34,508
As % of all contract IT jobs advertised in the UK 31.11% 32.24% 33.19%
Number of daily rates quoted 16,068 22,091 22,749
UK median daily rate £463 £475 £450
Median daily rate % change year-on-year -2.63% +5.56% +5.88%
10th Percentile £256 £275 £260
90th Percentile £669 £650 £650
UK excluding London median daily rate £425 £425 £400
% change year-on-year - +6.25% +3.23%
Number of hourly rates quoted 1,057 1,071 1,035
UK median hourly rate £23.50 £20.00 £20.21
Median hourly rate % change year-on-year +17.50% -1.04% +1.05%
10th Percentile £12.00 £12.00 £11.25
90th Percentile £53.75 £49.23 £47.83
UK excluding London median hourly rate £22.63 £19.00 £19.66
% change year-on-year +19.08% -3.36% -1.70%

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
Contractor Daily Rate Trend

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Clustering.

Contractor daily rate trend for Clustering in the UK

Clustering
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Clustering over the 6 months to 6 December 2019.

Contractor daily rate histogram for Clustering in the UK

Clustering
Contractor Hourly Rate Trend

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Clustering.

Contractor hourly rate trend for Clustering in the UK

Clustering
Contractor Hourly Rate Histogram

The hourly rate distribution of IT jobs citing Clustering over the 6 months to 6 December 2019.

Contractor hourly rate histogram for Clustering in the UK

Clustering
Top 16 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Clustering within the UK over the 6 months to 6 December 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +50 378 £438 +5.74% 105
UK excluding London +62 316 £425 +9.68% 77
South East +38 99 £425 +9.68% 18
London +6 99 £488 +2.63% 34
North of England +32 84 £395 +1.94% 29
South West +23 48 £500 +29.45% 8
North West +33 42 £388 +3.33% 18
Yorkshire +17 29 £440 +7.32% 10
Scotland +30 28 £368 +13.51% 1
East of England +23 24 £419 -6.94% 12
Midlands +39 19 £450 +25.00% 4
West Midlands +37 13 £425 +30.77% 1
North East +19 13 £375 -6.25% 1
Northern Ireland +11 8 £513 +7.89%
Wales +26 7 £400 -1.84% 5
East Midlands +21 6 £450 +12.50% 3

For the 6 months to 6 December 2019, IT contractor 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 contract job ads with a requirement for Clustering.

1 221 (51.28%) Windows
2 163 (37.82%) Linux
3 161 (37.35%) Microsoft
4 157 (36.43%) Active Directory
5 154 (35.73%) SQL
6 143 (33.18%) Windows Server
7 137 (31.79%) SQL Server
8 121 (28.07%) VMware
9 117 (27.15%) Azure
10 105 (24.36%) Hyper-V
11 98 (22.74%) PowerShell
12 94 (21.81%) Security Cleared
12 94 (21.81%) Infrastructure Engineering
13 93 (21.58%) Oracle
14 91 (21.11%) Windows Server 2012
15 90 (20.88%) Microsoft Clustering
16 83 (19.26%) Migration
16 83 (19.26%) SCCM
17 79 (18.33%) AWS
18 77 (17.87%) High Availability
19 76 (17.63%) VMware Infrastructure
20 70 (16.24%) ITIL
21 67 (15.55%) Replication
21 67 (15.55%) Data Centre
22 64 (14.85%) SAN
23 62 (14.39%) Python
24 61 (14.15%) DNS
25 60 (13.92%) Office 365
26 57 (13.23%) DevOps
26 57 (13.23%) Red Hat Enterprise Linux

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 44 (10.21%) SharePoint
2 41 (9.51%) MS Exchange
3 23 (5.34%) Exchange Server 2010
4 20 (4.64%) IIS
5 18 (4.18%) Apache
6 13 (3.02%) nginx
6 13 (3.02%) WebLogic
6 13 (3.02%) WebSphere
7 11 (2.55%) Exchange Server 2013
8 10 (2.32%) Skype for Business
9 8 (1.86%) JBoss
9 8 (1.86%) Tomcat
9 8 (1.86%) WebSphere Application Server
10 7 (1.62%) Elasticsearch
11 6 (1.39%) IBM HTTP Server
12 5 (1.16%) NetWeaver
12 5 (1.16%) SAP Portal
13 3 (0.70%) Apache Spark
14 2 (0.46%) Apache Pig
14 2 (0.46%) GlassFish
Applications
1 24 (5.57%) Microsoft Office
2 3 (0.70%) Microsoft Excel
2 3 (0.70%) MS Visio
3 2 (0.46%) Abaqus
4 1 (0.23%) Microsoft Project
Business Applications
1 3 (0.70%) SAP S/4HANA
2 2 (0.46%) NetSuite
3 1 (0.23%) OpenText VIM for SAP
3 1 (0.23%) Oracle EBS
3 1 (0.23%) Oracle EBS R12
Cloud Services
1 117 (27.15%) Azure
2 79 (18.33%) AWS
3 60 (13.92%) Office 365
4 30 (6.96%) GCP
5 25 (5.80%) IaaS
6 20 (4.64%) GitHub
6 20 (4.64%) PaaS
7 9 (2.09%) Amazon EC2
8 8 (1.86%) Amazon ELB
8 8 (1.86%) Amazon S3
8 8 (1.86%) Route 53
8 8 (1.86%) Virtual Private Cloud
9 7 (1.62%) Azure Active Directory
10 6 (1.39%) OneDrive
11 4 (0.93%) Cloud Computing
11 4 (0.93%) OpenShift
12 3 (0.70%) AWS CloudFormation
12 3 (0.70%) Mimecast
12 3 (0.70%) Power Platform
12 3 (0.70%) SuccessFactors
Communications & Networking
1 64 (14.85%) SAN
2 61 (14.15%) DNS
3 47 (10.90%) Firewall
4 45 (10.44%) DHCP
5 27 (6.26%) NAS
6 24 (5.57%) WAN
7 22 (5.10%) iSCSI
7 22 (5.10%) VPN
8 20 (4.64%) LAN
8 20 (4.64%) TCP/IP
9 12 (2.78%) HTTP
9 12 (2.78%) Internet
9 12 (2.78%) SSL
10 8 (1.86%) DMZ
10 8 (1.86%) NetScaler
11 7 (1.62%) F5 BIG-IP GTM
11 7 (1.62%) F5 BIG-IP LTM
11 7 (1.62%) Skype
11 7 (1.62%) Software-Defined Networking
11 7 (1.62%) Unified Communications
Database & Business Intelligence
1 137 (31.79%) SQL Server
2 54 (12.53%) Oracle Database
3 34 (7.89%) MySQL
4 33 (7.66%) Big Data
5 32 (7.42%) PostgreSQL
6 29 (6.73%) Relational Database
7 24 (5.57%) RDBMS
8 23 (5.34%) MongoDB
8 23 (5.34%) SQL Server 2012
9 22 (5.10%) SQL Server Reporting Services
10 20 (4.64%) SQL Server Integration Services
11 18 (4.18%) SQL Server 2008
12 17 (3.94%) SQL Server 2014
13 16 (3.71%) SQL Server 2016
14 14 (3.25%) Data Warehouse
15 13 (3.02%) SQL Server Analysis Services
16 12 (2.78%) Oracle Database 11g
16 12 (2.78%) SQL Server 2005
17 11 (2.55%) SQL Server 2017
18 9 (2.09%) Apache Cassandra
Development Applications
1 23 (5.34%) JIRA
2 22 (5.10%) Git (software)
3 20 (4.64%) Jenkins
4 15 (3.48%) StarTeam
5 8 (1.86%) GitLab
5 8 (1.86%) SonarQube
6 6 (1.39%) IBM UrbanCode
7 4 (0.93%) Subversion
8 3 (0.70%) Octopus Deploy
9 2 (0.46%) MSI
9 2 (0.46%) Team Foundation Server
9 2 (0.46%) TeamCity
9 2 (0.46%) Travis CI
9 2 (0.46%) WiX
10 1 (0.23%) Bugzilla
10 1 (0.23%) CircleCI
10 1 (0.23%) Fiddler
10 1 (0.23%) git-flow
10 1 (0.23%) Maven
10 1 (0.23%) Sonatype Nexus
General
1 42 (9.74%) Finance
2 15 (3.48%) Banking
3 9 (2.09%) Marketing
3 9 (2.09%) Telecoms
4 8 (1.86%) Retail
5 7 (1.62%) Back Office
5 7 (1.62%) Public Sector
6 6 (1.39%) German Language
7 5 (1.16%) Automotive
7 5 (1.16%) French Language
7 5 (1.16%) Publishing
8 3 (0.70%) Investment Banking
8 3 (0.70%) Law
8 3 (0.70%) Manufacturing
9 2 (0.46%) Financial Institution
9 2 (0.46%) Games
9 2 (0.46%) Italian Language
9 2 (0.46%) Legal
10 1 (0.23%) Advertising
10 1 (0.23%) Retail Banking
Job Titles
1 78 (18.10%) Infrastructure Engineer
2 71 (16.47%) DBA
3 50 (11.60%) Administrator
4 40 (9.28%) SQL DBA
5 31 (7.19%) Architect
5 31 (7.19%) Consultant
6 26 (6.03%) Oracle DBA
7 24 (5.57%) DevOps Engineer
8 22 (5.10%) Windows Engineer
9 20 (4.64%) Support Engineer
9 20 (4.64%) Systems Administrator
10 19 (4.41%) Data Scientist
10 19 (4.41%) SQL Server DBA
11 18 (4.18%) Developer
11 18 (4.18%) VMware Engineer
12 15 (3.48%) Senior DBA
12 15 (3.48%) Server Engineer
13 14 (3.25%) Windows Infrastructure Engineer
14 13 (3.02%) Linux Engineer
14 13 (3.02%) Systems Engineer
Libraries, Frameworks & Software Standards
1 20 (4.64%) Middleware
2 17 (3.94%) scikit-learn
3 16 (3.71%) .NET
3 16 (3.71%) Web Services
4 12 (2.78%) REST
5 11 (2.55%) Kafka
5 11 (2.55%) NumPy
5 11 (2.55%) Pandas
5 11 (2.55%) SciPy
6 9 (2.09%) .NET Framework
6 9 (2.09%) LDAP
6 9 (2.09%) SAP Basis
7 8 (1.86%) Natural Language Processing
8 7 (1.62%) J2EE
9 6 (1.39%) RESTful
10 5 (1.16%) Elastic Stack
10 5 (1.16%) OpenNLP
10 5 (1.16%) SAP PI
10 5 (1.16%) Swagger
11 4 (0.93%) LEMP Stack
Miscellaneous
1 67 (15.55%) Data Centre
1 67 (15.55%) Replication
2 28 (6.50%) Analytical Skills
3 16 (3.71%) Algorithms
4 15 (3.48%) Public Cloud
4 15 (3.48%) User Experience
5 11 (2.55%) PKI
6 9 (2.09%) Driving Licence
7 7 (1.62%) Blackberry
7 7 (1.62%) Linux Command Line
7 7 (1.62%) Self-Motivation
8 6 (1.39%) EMC VMAX
8 6 (1.39%) Mainframe
9 5 (1.16%) EMC VNX
10 4 (0.93%) Hedge funds
10 4 (0.93%) Management Information System
11 3 (0.70%) HACMP
11 3 (0.70%) VxBlock/Vblock
12 2 (0.46%) Greenfield Project
12 2 (0.46%) Virtual Team
Operating Systems
1 221 (51.28%) Windows
2 163 (37.82%) Linux
3 143 (33.18%) Windows Server
4 91 (21.11%) Windows Server 2012
5 57 (13.23%) Red Hat Enterprise Linux
6 55 (12.76%) Unix
7 53 (12.30%) Windows Server 2008
8 36 (8.35%) Windows Server 2003
9 33 (7.66%) AIX
9 33 (7.66%) Windows 10
10 21 (4.87%) Solaris
11 20 (4.64%) SUSE
12 18 (4.18%) CentOS
13 15 (3.48%) Windows XP
14 10 (2.32%) Windows 7
15 9 (2.09%) Ubuntu
16 6 (1.39%) Oracle Linux
17 5 (1.16%) SUSE Linux Enterprise Server
18 4 (0.93%) Data ONTAP
18 4 (0.93%) VMS
Processes & Methodologies
1 94 (21.81%) Infrastructure Engineering
2 83 (19.26%) Migration
3 77 (17.87%) High Availability
4 70 (16.24%) ITIL
5 57 (13.23%) DevOps
6 52 (12.06%) Agile Software Development
7 51 (11.83%) Performance Tuning
8 47 (10.90%) Disaster Recovery
9 42 (9.74%) Change Management
10 40 (9.28%) Task Automation
11 38 (8.82%) Load Balancing
12 36 (8.35%) Problem-Solving
13 30 (6.96%) Configuration Management
14 28 (6.50%) Analytics
15 26 (6.03%) Project Delivery
16 25 (5.80%) Data Protection
17 23 (5.34%) Software Engineering
18 21 (4.87%) Data Science
18 21 (4.87%) Server Virtualisation
19 20 (4.64%) Deployment Automation
Programming Languages
1 154 (35.73%) SQL
2 98 (22.74%) PowerShell
3 62 (14.39%) Python
4 47 (10.90%) Java
5 34 (7.89%) Shell Script
6 25 (5.80%) Bash Shell
7 18 (4.18%) C#
7 18 (4.18%) Perl
8 17 (3.94%) PHP
9 13 (3.02%) JavaScript
10 12 (2.78%) T-SQL
11 11 (2.55%) R
12 9 (2.09%) C
12 9 (2.09%) Ruby
13 8 (1.86%) PL/SQL
14 6 (1.39%) Jython
14 6 (1.39%) Scala
14 6 (1.39%) VBScript
15 3 (0.70%) Go
15 3 (0.70%) VB
Qualifications
1 94 (21.81%) Security Cleared
2 42 (9.74%) DV Cleared
2 42 (9.74%) SC Cleared
3 39 (9.05%) Microsoft Certification
4 26 (6.03%) Degree
5 23 (5.34%) MCSE
6 18 (4.18%) MCTS
7 16 (3.71%) MCSA
8 15 (3.48%) MCITP
9 14 (3.25%) ISTQB
10 11 (2.55%) VMware Certified Professional (VCP)
11 8 (1.86%) CCNA
11 8 (1.86%) Cisco Certification
12 7 (1.62%) ITIL Certification
13 6 (1.39%) MCP
14 5 (1.16%) RHCSA
15 3 (0.70%) Computer Science Degree
15 3 (0.70%) VCAP
15 3 (0.70%) VCP4
15 3 (0.70%) VCP5
Quality Assurance & Compliance
1 18 (4.18%) SLA
2 11 (2.55%) ISO/IEC 27001
3 7 (1.62%) QA
4 5 (1.16%) GDPR
5 3 (0.70%) NCSC
6 2 (0.46%) COBIT
6 2 (0.46%) ISO/IEC 20000
6 2 (0.46%) PCI DSS
System Software
1 157 (36.43%) Active Directory
2 105 (24.36%) Hyper-V
3 76 (17.63%) VMware Infrastructure
4 53 (12.30%) Virtual Machines
5 50 (11.60%) VMware ESXi
6 33 (7.66%) Oracle RAC
7 29 (6.73%) vSphere
8 22 (5.10%) DFS Replication
9 21 (4.87%) Docker
10 15 (3.48%) Microsoft App-V
11 14 (3.25%) XenApp
12 12 (2.78%) Virtual Desktop
13 10 (2.32%) XenDesktop
14 8 (1.86%) Citrix Hypervisor
14 8 (1.86%) NFS
15 7 (1.62%) Veritas Cluster Server
16 6 (1.39%) Corosync
17 5 (1.16%) Apache ZooKeeper
17 5 (1.16%) FreeRADIUS
17 5 (1.16%) OCFS2
Systems Management
1 90 (20.88%) Microsoft Clustering
2 83 (19.26%) SCCM
3 42 (9.74%) SCOM
4 35 (8.12%) Failover Clustering
5 32 (7.42%) Ansible
6 31 (7.19%) vCenter Server
7 30 (6.96%) Puppet
8 27 (6.26%) WSUS
9 22 (5.10%) Opscode Chef
9 22 (5.10%) SCVMM
10 21 (4.87%) Data Guard
11 17 (3.94%) Microsoft Data Protection Manager
12 15 (3.48%) McAfee ePO
12 15 (3.48%) Terraform
13 14 (3.25%) Netcool
14 13 (3.02%) Oracle Enterprise Manager
14 13 (3.02%) SCDPM
15 12 (2.78%) Kubernetes
15 12 (2.78%) SCSM
16 11 (2.55%) Single Sign-On
Vendors
1 161 (37.35%) Microsoft
2 121 (28.07%) VMware
3 93 (21.58%) Oracle
4 54 (12.53%) Citrix
5 53 (12.30%) HP
6 37 (8.58%) Red Hat
7 35 (8.12%) Cisco
8 33 (7.66%) Veritas
9 24 (5.57%) McAfee
10 20 (4.64%) Dell
11 18 (4.18%) NetApp
11 18 (4.18%) Symantec
12 16 (3.71%) EMC
12 16 (3.71%) Google
12 16 (3.71%) IBM
13 13 (3.02%) F5
14 12 (2.78%) Sybase
15 11 (2.55%) 3PAR
16 10 (2.32%) SAP
16 10 (2.32%) SolarWinds