Period
to 26 July 2017

The table below looks at the prevalence of the term Clustering in contract job vacancies advertised in Hertfordshire. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Clustering over the 6 months to 26 July 2017 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
East of England > Hertfordshire
6 months to
26 Jul 2017
Same period 2016 Same period 2015
Rank 78 76 89
Rank change year-on-year -2 +13 +1
Contract jobs citing Clustering 13 13 18
As % of all contract IT jobs advertised in Hertfordshire 1.01% 0.92% 1.12%
As % of the Miscellaneous category 2.92% 2.93% 3.33%
Number of daily rates quoted 10 13 8
Hertfordshire median daily rate £405 £388 £375
Median daily rate % change year-on-year +4.52% +3.33% +7.14%
10th Percentile £324 £290 £346
90th Percentile £543 £433 £396
East of England median daily rate £413 £400 £300
% change year-on-year +3.13% +33.33% -18.37%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate - £40.00 £17.50
% change year-on-year - +128.57% -20.90%

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

Generic IT Skills
Hertfordshire
Contract job vacancies with a requirement for generic IT skills 445 443 541
As % of all contract IT job vacancies advertised in Hertfordshire 34.42% 31.44% 33.52%
Number of daily rates quoted 219 225 286
Hertfordshire median daily rate £375 £400 £375
Median daily rate % change year-on-year -6.25% +6.67% -
10th Percentile £145 £220 £257
90th Percentile £575 £500 £525
East of England median daily rate £400 £400 £375
% change year-on-year - +6.67% +7.14%
Number of hourly rates quoted 37 16 39
Hertfordshire median hourly rate £16.00 £16.00 £32.50
Median hourly rate % change year-on-year - -50.77% +54.76%
10th Percentile £10.50 £10.78 £9.95
90th Percentile £48.74 £29.63 £42.75
East of England median hourly rate £17.50 £19.00 £31.50
% change year-on-year -7.89% -39.68% +28.57%

Clustering
Job Vacancy Trend in Hertfordshire

Job postings citing Clustering as a percentage of all IT jobs advertised in Hertfordshire.

Job vacancy trend for Clustering in Hertfordshire

Clustering
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for Clustering in Hertfordshire

Clustering
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing Clustering in Hertfordshire over the 6 months to 26 July 2017.

Contractor daily rate histogram for Clustering in Hertfordshire

Clustering
Contractor Hourly Rate Trend in Hertfordshire

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

Contractor hourly rate trend for Clustering in Hertfordshire

Clustering
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Clustering within the Hertfordshire region over the 6 months to 26 July 2017. 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
Welwyn Garden City +7 4 £330 -20.00%
Hatfield -6 4 £409 +36.25% 1
Hemel Hempstead +9 1 £525 +35.05%
Hitchin +2 1 £350 -
Stevenage 0 1 £330 +1.54%
Watford - 1 £575 -
Clustering
East of England

For the 6 months to 26 July 2017, IT contractor jobs citing Clustering also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Hertfordshire region with a requirement for Clustering.

1 10 (76.92%) Linux
2 9 (69.23%) Java
2 9 (69.23%) Firewall
3 8 (61.54%) SSL
3 8 (61.54%) Perl
3 8 (61.54%) SQL
3 8 (61.54%) Apache
3 8 (61.54%) Tomcat
3 8 (61.54%) Python
3 8 (61.54%) TCP/IP
3 8 (61.54%) PostgreSQL
3 8 (61.54%) Ruby
3 8 (61.54%) Bash Shell
3 8 (61.54%) Puppet
3 8 (61.54%) LAPP Stack
4 7 (53.85%) High Availability
5 6 (46.15%) DevOps
5 6 (46.15%) Computer Science
5 6 (46.15%) Finance
6 5 (38.46%) RHCE
6 5 (38.46%) Configuration Management
6 5 (38.46%) Software Engineering
6 5 (38.46%) Salt
7 4 (30.77%) Windows
8 3 (23.08%) SQL Server
9 2 (15.38%) VB
9 2 (15.38%) MySQL
9 2 (15.38%) Business Intelligence
9 2 (15.38%) C#
9 2 (15.38%) Unix

Clustering
Co-occurring IT Skills in Hertfordshire 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 8 (61.54%) Apache
1 8 (61.54%) Tomcat
2 1 (7.69%) WebSphere
Business Applications
1 2 (15.38%) Payment Gateway
Communications & Networking
1 9 (69.23%) Firewall
2 8 (61.54%) SSL
2 8 (61.54%) TCP/IP
Database & Business Intelligence
1 8 (61.54%) PostgreSQL
2 3 (23.08%) SQL Server
3 2 (15.38%) Data Warehouse
3 2 (15.38%) MySQL
3 2 (15.38%) SQL Server 2012
3 2 (15.38%) SQL Server 2014
4 1 (7.69%) DB2
4 1 (7.69%) SQL Server 2016
General
1 6 (46.15%) Finance
2 1 (7.69%) Banking
2 1 (7.69%) Retail
2 1 (7.69%) Retail Banking
Job Titles
1 4 (30.77%) DevOps Engineer
1 4 (30.77%) Software Engineer
2 3 (23.08%) DBA
3 2 (15.38%) SQL DBA
3 2 (15.38%) Systems Engineer
4 1 (7.69%) Architect
4 1 (7.69%) Cloud Architect
4 1 (7.69%) DB2 DBA
4 1 (7.69%) DevOps Systems Engineer
4 1 (7.69%) Infrastructure Engineer
4 1 (7.69%) Integration Specialist
4 1 (7.69%) Performance Tuning DBA
4 1 (7.69%) Production DBA
4 1 (7.69%) SQL Server DBA
4 1 (7.69%) WebSphere MQ Specialist
4 1 (7.69%) WebSphere Specialist
Libraries, Frameworks & Software Standards
1 8 (61.54%) LAPP Stack
2 2 (15.38%) LAMP
3 1 (7.69%) IBM Integration Bus
3 1 (7.69%) Middleware
3 1 (7.69%) WebSphere MQ
3 1 (7.69%) XML
Miscellaneous
1 6 (46.15%) Computer Science
2 1 (7.69%) AS400
2 1 (7.69%) Management Information System
Operating Systems
1 10 (76.92%) Linux
2 4 (30.77%) Windows
3 2 (15.38%) Unix
4 1 (7.69%) Windows Server
Processes & Methodologies
1 7 (53.85%) High Availability
2 6 (46.15%) DevOps
3 5 (38.46%) Configuration Management
3 5 (38.46%) Software Engineering
4 2 (15.38%) Business Intelligence
4 2 (15.38%) Data Protection
4 2 (15.38%) Performance Tuning
4 2 (15.38%) User Acceptance Testing
5 1 (7.69%) Business Analysis
5 1 (7.69%) Change Control
5 1 (7.69%) Infrastructure Management
5 1 (7.69%) IT Strategy
5 1 (7.69%) ITIL
5 1 (7.69%) Mentoring
5 1 (7.69%) Microservices
5 1 (7.69%) Remediation Plan
5 1 (7.69%) Root Cause Analysis
5 1 (7.69%) Stress Testing
Programming Languages
1 9 (69.23%) Java
2 8 (61.54%) Bash Shell
2 8 (61.54%) Perl
2 8 (61.54%) Python
2 8 (61.54%) Ruby
2 8 (61.54%) SQL
3 2 (15.38%) C#
3 2 (15.38%) VB
Qualifications
1 5 (38.46%) RHCE
2 2 (15.38%) Degree
3 1 (7.69%) Computer Science Degree
3 1 (7.69%) HND
3 1 (7.69%) Security Cleared
Quality Assurance & Compliance
1 1 (7.69%) QA
Systems Management
1 8 (61.54%) Puppet
2 5 (38.46%) Salt
Vendors
1 1 (7.69%) Cisco
1 1 (7.69%) IBM
1 1 (7.69%) Microsoft
1 1 (7.69%) Oracle
1 1 (7.69%) VMware