Period
to 21 February 2018

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 21 February 2018 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
21 Feb 2018
Same period 2017 Same period 2016
Rank 416 348 315
Rank change year-on-year -68 -33 -67
Contract jobs citing Clustering 555 640 813
As % of all contract IT jobs advertised in the UK 0.55% 0.67% 0.76%
As % of the Miscellaneous category 1.64% 2.04% 2.33%
Number of daily rates quoted 375 421 470
UK median daily rate £425 £390 £400
Median daily rate % change year-on-year +8.97% -2.50% -
10th Percentile £300 £275 £275
90th Percentile £625 £550 £538
UK excluding London median daily rate £400 £350 £375
% change year-on-year +14.29% -6.67% -
Number of hourly rates quoted 12 10 8
UK median hourly rate £32.00 £28.75 £40.25
Median hourly rate % change year-on-year +11.30% -28.57% +34.17%
10th Percentile £27.50 £20.68 £31.40
90th Percentile £47.76 £48.75 £44.00
UK excluding London median hourly rate £32.25 £32.50 £39.00
% change year-on-year -0.77% -16.67% +30.00%

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 33,913 31,424 34,832
As % of all contract IT jobs advertised in the UK 33.39% 32.73% 32.75%
Number of daily rates quoted 22,693 20,518 22,449
UK median daily rate £450 £425 £425
Median daily rate % change year-on-year +5.88% - +6.25%
10th Percentile £263 £256 £245
90th Percentile £650 £625 £625
UK excluding London median daily rate £400 £400 £375
% change year-on-year - +6.67% +3.45%
Number of hourly rates quoted 1,010 1,115 1,303
UK median hourly rate £22.50 £20.00 £20.50
Median hourly rate % change year-on-year +12.50% -2.44% +17.14%
10th Percentile £11.80 £11.32 £11.50
90th Percentile £50.67 £47.50 £48.75
UK excluding London median hourly rate £22.00 £19.00 £20.00
% change year-on-year +15.79% -5.00% +18.69%

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 21 February 2018.

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 21 February 2018.

Contractor hourly rate histogram for Clustering in the UK

Clustering
Top 15 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 21 February 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England -52 510 £430 +7.50% 135
UK excluding London -45 345 £400 +14.29% 97
London -25 200 £495 +10.00% 42
South East +8 132 £467 +26.42% 28
North of England -14 89 £500 +36.99% 26
Midlands +18 43 £350 +16.67% 19
Yorkshire +26 42 £500 +25.00% 9
North West -5 37 £500 +25.00% 17
East of England -24 35 £365 -8.75% 9
East Midlands +25 34 £350 +16.67% 13
Scotland -53 24 £288 -0.86% 1
North East -3 18 £608 +84.32%
Wales +1 13 £375 -26.83% 3
West Midlands +3 9 £183 -40.65% 6
South West -22 9 £319 -5.56% 11

For the 6 months to 21 February 2018, 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.

1 242 (43.60%) Windows
2 226 (40.72%) Linux
3 179 (32.25%) SQL Server
4 173 (31.17%) Microsoft
5 160 (28.83%) VMware
6 153 (27.57%) Active Directory
7 146 (26.31%) SQL
8 142 (25.59%) High Availability
9 137 (24.68%) Oracle
10 133 (23.96%) Windows Server
11 113 (20.36%) PowerShell
12 108 (19.46%) DevOps
13 100 (18.02%) Red Hat Enterprise Linux
14 98 (17.66%) ITIL
15 97 (17.48%) VMware Infrastructure
16 96 (17.30%) Windows Server 2012
16 96 (17.30%) DNS
17 95 (17.12%) Hyper-V
18 94 (16.94%) Data Centre
18 94 (16.94%) Red Hat
19 93 (16.76%) Load Balancing
20 92 (16.58%) Microsoft Clustering
21 87 (15.68%) Git (software)
22 86 (15.50%) Jenkins
22 86 (15.50%) Migration
23 84 (15.14%) Replication
23 84 (15.14%) Security Cleared
23 84 (15.14%) Bash Shell
24 83 (14.95%) SAN
25 82 (14.77%) Citrix

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 48 (8.65%) SharePoint
2 44 (7.93%) MS Exchange
3 33 (5.95%) Confluence
4 32 (5.77%) Apache
5 31 (5.59%) nginx
6 24 (4.32%) IIS
6 24 (4.32%) Skype for Business
6 24 (4.32%) Tomcat
7 18 (3.24%) Oracle SOA Suite
8 16 (2.88%) WebSphere
9 15 (2.70%) WebLogic
10 14 (2.52%) JBoss
10 14 (2.52%) Oracle Service Bus
11 13 (2.34%) Elasticsearch
12 12 (2.16%) Exchange Server 2010
13 11 (1.98%) iPlanet
13 11 (1.98%) Oracle Application Server
14 8 (1.44%) Exchange Server 2013
15 6 (1.08%) BizTalk Server
15 6 (1.08%) Exchange Server 2007
Applications
1 19 (3.42%) Microsoft Excel
2 18 (3.24%) Microsoft Office
3 7 (1.26%) MS Visio
4 2 (0.36%) Microsoft Project
Business Applications
1 15 (2.70%) Oracle Applications
2 14 (2.52%) Siebel CRM
3 12 (2.16%) Oracle Utilities
4 5 (0.90%) Oracle EBS
5 3 (0.54%) Oracle EBS R12
5 3 (0.54%) Oracle Procure-to-Pay
6 1 (0.18%) Dynamics CRM
6 1 (0.18%) Oracle Retail
6 1 (0.18%) SAP ERP
6 1 (0.18%) SAP Oil and Gas
6 1 (0.18%) SAP SRM
6 1 (0.18%) Teamcenter
Cloud Services
1 55 (9.91%) Amazon AWS
2 54 (9.73%) Microsoft Azure
3 51 (9.19%) Office 365
4 29 (5.23%) Slack
5 22 (3.96%) AWS CloudFormation
6 17 (3.06%) OpenShift
7 14 (2.52%) IaaS
8 10 (1.80%) PaaS
9 7 (1.26%) SaaS
10 4 (0.72%) Amazon S3
11 3 (0.54%) Amazon EC2
11 3 (0.54%) npm
12 2 (0.36%) Amazon EMR
12 2 (0.36%) Azure Active Directory
12 2 (0.36%) Azure Data Factory
12 2 (0.36%) Cloud Computing
13 1 (0.18%) Google Cloud Platform
13 1 (0.18%) Google Drive
13 1 (0.18%) Mimecast
13 1 (0.18%) Virtual Private Cloud
Communications & Networking
1 96 (17.30%) DNS
2 83 (14.95%) SAN
3 79 (14.23%) DHCP
4 78 (14.05%) Firewall
5 45 (8.11%) TCP/IP
5 45 (8.11%) WAN
6 40 (7.21%) LAN
7 35 (6.31%) NAS
8 31 (5.59%) HTTP
9 23 (4.14%) VoIP
10 16 (2.88%) iSCSI
10 16 (2.88%) SSL
11 15 (2.70%) VLAN
12 13 (2.34%) Fibre Channel
12 13 (2.34%) Kerberos
12 13 (2.34%) NetScaler
12 13 (2.34%) Unified Communications
13 10 (1.80%) SSH
14 9 (1.62%) VPN
15 8 (1.44%) Remote Desktop
Database & Business Intelligence
1 179 (32.25%) SQL Server
2 70 (12.61%) Oracle Database
3 54 (9.73%) Relational Database
4 41 (7.39%) SQL Server 2016
5 39 (7.03%) MongoDB
5 39 (7.03%) SQL Server 2008
6 35 (6.31%) RDBMS
6 35 (6.31%) SQL Server Integration Services
7 28 (5.05%) MySQL
7 28 (5.05%) SQL Server Reporting Services
8 24 (4.32%) SQL Server 2012
9 23 (4.14%) Oracle Database 11g
10 19 (3.42%) SQL Server 2005
11 17 (3.06%) Oracle BI EE
11 17 (3.06%) SQL Server 2014
12 16 (2.88%) Big Data
13 15 (2.70%) Oracle ODI
13 15 (2.70%) PostgreSQL
14 14 (2.52%) DB2
14 14 (2.52%) SQL Server Analysis Services
Development Applications
1 87 (15.68%) Git (software)
2 86 (15.50%) Jenkins
3 32 (5.77%) JIRA
4 29 (5.23%) SonarQube
5 19 (3.42%) Maven
5 19 (3.42%) Team Foundation Server
6 18 (3.24%) Visual Studio
7 17 (3.06%) Oracle Forms
8 16 (2.88%) MSBuild
9 14 (2.52%) NUnit
9 14 (2.52%) SpecFlow
10 10 (1.80%) Cucumber
11 7 (1.26%) JUnit
12 5 (0.90%) Ant
13 4 (0.72%) JMeter
13 4 (0.72%) Visual Studio Team System
14 3 (0.54%) Mocha
14 3 (0.54%) Oracle APEX
14 3 (0.54%) TeamCity
14 3 (0.54%) webpack
General
1 49 (8.83%) Finance
2 28 (5.05%) Banking
3 7 (1.26%) Financial Institution
3 7 (1.26%) Legal
3 7 (1.26%) Retail
4 6 (1.08%) Telecoms
5 5 (0.90%) French Language
5 5 (0.90%) Investment Banking
5 5 (0.90%) Manufacturing
6 4 (0.72%) Automotive
6 4 (0.72%) Front Office
6 4 (0.72%) Local Government
7 3 (0.54%) Back Office
7 3 (0.54%) Electronics
7 3 (0.54%) Publishing
8 2 (0.36%) Marketing
8 2 (0.36%) Retail Banking
9 1 (0.18%) Games
9 1 (0.18%) Military
9 1 (0.18%) Spanish Language
Job Titles
1 91 (16.40%) DBA
2 65 (11.71%) Administrator
3 64 (11.53%) Linux Engineer
4 63 (11.35%) Developer
5 56 (10.09%) DevOps Engineer
6 49 (8.83%) SQL DBA
7 48 (8.65%) Linux DevOps Engineer
7 48 (8.65%) Linux/Unix DevOps
8 43 (7.75%) Architect
9 34 (6.13%) Windows Engineer
10 32 (5.77%) Oracle DBA
10 32 (5.77%) Systems Administrator
11 26 (4.68%) Infrastructure Engineer
12 25 (4.50%) Consultant
12 25 (4.50%) Senior DevOps
12 25 (4.50%) Senior DevOps Engineer
13 24 (4.32%) Analyst
14 22 (3.96%) Senior Linux Engineer
15 21 (3.78%) Support Engineer
15 21 (3.78%) Systems Engineer
Libraries, Frameworks & Software Standards
1 34 (6.13%) .NET
2 33 (5.95%) SOAP
3 31 (5.59%) HTML
3 31 (5.59%) JSON
4 28 (5.05%) Middleware
5 25 (4.50%) Web Services
6 24 (4.32%) CSS
7 23 (4.14%) HTML5
8 22 (3.96%) Node.js
9 20 (3.60%) CSS3
10 19 (3.42%) AngularJS
10 19 (3.42%) jQuery
11 18 (3.24%) Oracle Fusion
11 18 (3.24%) Twitter Bootstrap
12 17 (3.06%) JSTL
12 17 (3.06%) LDAP
13 16 (2.88%) D3.js
13 16 (2.88%) REST
14 15 (2.70%) Akka
14 15 (2.70%) Vue (Vue.js)
Miscellaneous
1 94 (16.94%) Data Centre
2 84 (15.14%) Replication
3 50 (9.01%) Analytical Skills
4 24 (4.32%) Public Cloud
5 20 (3.60%) Computer Science
5 20 (3.60%) Fat Client
5 20 (3.60%) Thin Client
6 15 (2.70%) HACMP
7 12 (2.16%) Device Driver
8 9 (1.62%) Derivative
8 9 (1.62%) PKI
9 8 (1.44%) Enterprise Software
9 8 (1.44%) iSeries
10 7 (1.26%) Client/Server
10 7 (1.26%) Fintech
11 6 (1.08%) LPAR
12 5 (0.90%) Algorithms
12 5 (0.90%) Driving Licence
12 5 (0.90%) N-Tier
13 4 (0.72%) Management Information System
Operating Systems
1 242 (43.60%) Windows
2 226 (40.72%) Linux
3 133 (23.96%) Windows Server
4 100 (18.02%) Red Hat Enterprise Linux
5 96 (17.30%) Windows Server 2012
6 79 (14.23%) Unix
7 67 (12.07%) Solaris
8 60 (10.81%) Windows Server 2003
8 60 (10.81%) Windows Server 2008
9 58 (10.45%) AIX
10 38 (6.85%) CentOS
11 25 (4.50%) HPUX
12 17 (3.06%) Ubuntu
13 14 (2.52%) Windows XP
14 13 (2.34%) Windows 7
15 12 (2.16%) SUSE
15 12 (2.16%) Windows 10
16 8 (1.44%) Windows Vista
17 5 (0.90%) Android
17 5 (0.90%) Apple iOS
Processes & Methodologies
1 142 (25.59%) High Availability
2 108 (19.46%) DevOps
3 98 (17.66%) ITIL
4 93 (16.76%) Load Balancing
5 86 (15.50%) Migration
6 82 (14.77%) Continuous Integration
7 71 (12.79%) Agile Software Development
8 70 (12.61%) Disaster Recovery
9 67 (12.07%) Configuration Management
10 50 (9.01%) Mentoring
11 49 (8.83%) User Stories
12 44 (7.93%) Continuous Delivery
13 41 (7.39%) Scrum
14 39 (7.03%) Performance Tuning
15 38 (6.85%) Root Cause Analysis
16 35 (6.31%) Change Management
17 34 (6.13%) Coaching
18 33 (5.95%) Multithreading
18 33 (5.95%) Problem Management
19 31 (5.59%) Microservices
Programming Languages
1 146 (26.31%) SQL
2 113 (20.36%) PowerShell
3 84 (15.14%) Bash Shell
4 76 (13.69%) Java
5 69 (12.43%) Python
6 39 (7.03%) Perl
7 31 (5.59%) T-SQL
8 28 (5.05%) C#
9 25 (4.50%) VBScript
10 15 (2.70%) JavaScript
10 15 (2.70%) Shell Script
10 15 (2.70%) TypeScript
11 14 (2.52%) WebLogic Scripting Tool
11 14 (2.52%) XAML
12 12 (2.16%) Go
13 11 (1.98%) R
14 9 (1.62%) PHP
15 8 (1.44%) VBA
16 7 (1.26%) VB
17 6 (1.08%) C++
Qualifications
1 84 (15.14%) Security Cleared
2 54 (9.73%) SC Cleared
3 49 (8.83%) Microsoft Certification
4 44 (7.93%) Degree
5 39 (7.03%) MCSE
6 28 (5.05%) DV Cleared
7 22 (3.96%) Cisco Certification
8 20 (3.60%) VMware Certified Professional (VCP)
9 16 (2.88%) MCSA
10 15 (2.70%) CCNA
11 14 (2.52%) Numerate Degree
12 11 (1.98%) Computer Science Degree
12 11 (1.98%) RHCE
13 10 (1.80%) VERITAS Certified Professional (VCP)
14 6 (1.08%) BPSS Clearance
14 6 (1.08%) ITIL Certification
14 6 (1.08%) MCITP
15 5 (0.90%) CCIE
15 5 (0.90%) MCP
16 4 (0.72%) CCSP
Quality Assurance & Compliance
1 17 (3.06%) SLA
2 16 (2.88%) ISO/IEC 27001
3 9 (1.62%) Sarbanes-Oxley
4 5 (0.90%) PCI DSS
5 3 (0.54%) AS 2805
5 3 (0.54%) ISO 8583
5 3 (0.54%) PSD2
6 2 (0.36%) Data Quality
6 2 (0.36%) Disclosure Scotland
6 2 (0.36%) GDPR
6 2 (0.36%) ISO/IEC 20000
6 2 (0.36%) QA
7 1 (0.18%) SAS 70
System Software
1 153 (27.57%) Active Directory
2 97 (17.48%) VMware Infrastructure
3 95 (17.12%) Hyper-V
4 57 (10.27%) Docker
5 54 (9.73%) VMware ESXi
6 26 (4.68%) XenApp
7 23 (4.14%) Virtual Machines
8 21 (3.78%) vSphere
9 15 (2.70%) Samba
10 14 (2.52%) PowerHA
10 14 (2.52%) Terminal Services
11 13 (2.34%) DFS Replication
12 12 (2.16%) XenDesktop
13 11 (1.98%) Oracle RAC
13 11 (1.98%) Xen
14 10 (1.80%) Veritas Cluster Server
15 8 (1.44%) GPFS
15 8 (1.44%) KVM
16 7 (1.26%) Veritas Volume Manager
17 4 (0.72%) Citrix Presentation Server
Systems Management
1 92 (16.58%) Microsoft Clustering
2 60 (10.81%) Ansible
3 59 (10.63%) SCCM
4 55 (9.91%) SCOM
5 48 (8.65%) Puppet
6 30 (5.41%) Failover Clustering
7 29 (5.23%) NetBackup
7 29 (5.23%) Opscode Chef
8 26 (4.68%) Terraform
9 18 (3.24%) Backup Exec
10 16 (2.88%) OpenView Configuration Management
11 14 (2.52%) BladeLogic
11 14 (2.52%) Nagios
11 14 (2.52%) Netcool
12 13 (2.34%) Galera Cluster
12 13 (2.34%) HP Data Protector
13 12 (2.16%) Data Guard
13 12 (2.16%) Grafana
13 12 (2.16%) McAfee ePO
13 12 (2.16%) Prometheus
Vendors
1 173 (31.17%) Microsoft
2 160 (28.83%) VMware
3 137 (24.68%) Oracle
4 94 (16.94%) Red Hat
5 82 (14.77%) Citrix
6 80 (14.41%) HP
7 67 (12.07%) IBM
8 59 (10.63%) Cisco
9 51 (9.19%) Veritas
10 33 (5.95%) McAfee
11 31 (5.59%) Dell
12 30 (5.41%) 3PAR
13 29 (5.23%) SolarWinds
14 28 (5.05%) NetApp
15 27 (4.86%) F5
16 24 (4.32%) Sun
17 22 (3.96%) Symantec
18 20 (3.60%) Juniper
19 18 (3.24%) Ivanti
20 17 (3.06%) EqualLogic