The following table provides summary statistics for contract job vacancies advertised in Hertfordshire with a requirement for High Availability skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited High Availability over the 3 months to 30 March 2017 with a comparison to the same period in 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.

High Availability
East of England / Hertfordshire
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 44 51 53
Rank change year-on-year +7 +2  
Contract jobs citing High Availability 14 8 13
As % of all contract IT jobs advertised in Hertfordshire 2.39% 1.15% 1.87%
As % of the Processes & Methodologies category 3.07% 1.52% 2.47%
Number of daily rates quoted 8 5 9
Median daily rate £409 £538 £525
Median daily rate % change year-on-year -23.95% +2.38%  
90% offered a daily rate of more than £302 £485 £370
10% offered a daily rate of more than £549 £565 £1,000
UK excluding London median daily rate £400 £400 £400
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £29.92 £47.50 £37.50
% change year-on-year -37.01% +26.66%  

High Availability is in the process and methodology 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 process and methodology skills.

Contract Process & Methodology Skills
Hertfordshire
Contract job vacancies with a requirement for process and methodology skills 456 528 527
As % of all contract IT job vacancies advertised in Hertfordshire 77.68% 75.64% 75.61%
Number of daily rates quoted 242 283 273
Median daily rate £475 £425 £400
Median daily rate % change year-on-year +11.76% +6.25%  
90% offered a daily rate of more than £275 £305 £265
10% offered a daily rate of more than £600 £550 £550
UK excluding London median daily rate £410 £400 £396
% change year-on-year +2.50% +1.01%  
Number of hourly rates quoted 28 27 30
Median hourly rate £45.00 £37.50 £16.00
Median hourly rate % change year-on-year +20.00% +134.37%  
90% offered a hourly rate of more than £27.50 £8.50 £10.35
10% offered a hourly rate of more than £52.50 £49.50 £36.80
UK excluding London median hourly rate £35.75 £38.00 £30.00
% change year-on-year -5.92% +26.66%  

High Availability
Job Vacancy Trend in Hertfordshire

The job posting trend of jobs advertised in Hertfordshire citing High Availability as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for High Availability in Hertfordshire

High Availability
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for High Availability in Hertfordshire

High Availability
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing High Availability in Hertfordshire over the 3 months to 30 March 2017.

Contractor daily rate histogram for High Availability in Hertfordshire

High Availability
Contractor Hourly Rate Trend in Hertfordshire

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

Contractor hourly rate trend for High Availability in Hertfordshire

High Availability
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 High Availability within the Hertfordshire region over the 3 months to 30 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Hatfield +1 10 £413 - 2
Watford -1 1 £575 +4.54% 1
Welwyn Garden City -2 1 £330 -
High Availability
East of England

For the 6 months to 30 March 2017, IT contractor jobs citing High Availability 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 High Availability.

1 24 (80.00%) Java
2 18 (60.00%) Tomcat
3 15 (50.00%) Linux
3 15 (50.00%) Finance
4 14 (46.67%) Firewall
4 14 (46.67%) Clustering
4 14 (46.67%) SSL
5 13 (43.33%) Apache
5 13 (43.33%) Agile Software Development
5 13 (43.33%) Puppet
6 12 (40.00%) Bash Shell
6 12 (40.00%) Salt
6 12 (40.00%) Computer Science
6 12 (40.00%) Ruby
6 12 (40.00%) PostgreSQL
6 12 (40.00%) Python
6 12 (40.00%) Perl
6 12 (40.00%) TCP/IP
6 12 (40.00%) RHCE
6 12 (40.00%) Configuration Management
6 12 (40.00%) LAPP Stack
7 11 (36.67%) BDD
8 10 (33.33%) Software Engineering
9 9 (30.00%) TDD
9 9 (30.00%) MySQL
9 9 (30.00%) DevOps
10 7 (23.33%) SQL
10 7 (23.33%) Software Testing
10 7 (23.33%) Scrum
10 7 (23.33%) LAMP

High Availability
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 18 (60.00%) Tomcat
2 13 (43.33%) Apache
3 4 (13.33%) Confluence
Business Applications
1 7 (23.33%) Payment Gateway
Cloud Services
1 1 (3.33%) Amazon AWS
Communications & Networking
1 14 (46.67%) Firewall
1 14 (46.67%) SSL
2 12 (40.00%) TCP/IP
3 2 (6.67%) 2G
3 2 (6.67%) 3G
3 2 (6.67%) 4G
3 2 (6.67%) GSM
3 2 (6.67%) HSPA
3 2 (6.67%) LTE
3 2 (6.67%) Radio Access Network
3 2 (6.67%) WCDMA
3 2 (6.67%) Wireshark
Database & Business Intelligence
1 12 (40.00%) PostgreSQL
2 9 (30.00%) MySQL
3 2 (6.67%) SQL Server
4 1 (3.33%) NoSQL
Development Applications
1 7 (23.33%) Cucumber
1 7 (23.33%) Selenium
1 7 (23.33%) WebDriver
2 6 (20.00%) Git (software)
2 6 (20.00%) JIRA
2 6 (20.00%) JUnit
2 6 (20.00%) Maven
2 6 (20.00%) SoapUI
3 5 (16.67%) JBehave
4 3 (10.00%) Jenkins
5 2 (6.67%) Atlassian Bamboo
5 2 (6.67%) Mockito
5 2 (6.67%) Moq
5 2 (6.67%) TeamCity
6 1 (3.33%) Hudson
General
1 15 (50.00%) Finance
2 2 (6.67%) Banking
2 2 (6.67%) Telecoms
3 1 (3.33%) Retail
3 1 (3.33%) Retail Banking
Job Titles
1 6 (20.00%) Software Engineer
2 5 (16.67%) Developer
2 5 (16.67%) DevOps Engineer
2 5 (16.67%) Java Developer
3 3 (10.00%) Agile Developer
3 3 (10.00%) Agile Java Developer
3 3 (10.00%) Analyst
3 3 (10.00%) Automation Test Analyst
3 3 (10.00%) Automation Tester
3 3 (10.00%) Senior Agile Developer
3 3 (10.00%) Senior Agile Java Developer
3 3 (10.00%) Senior Developer
3 3 (10.00%) Senior Java Developer
3 3 (10.00%) Systems Engineer
3 3 (10.00%) Test Analyst
3 3 (10.00%) Tester
4 2 (6.67%) Agile Tester
4 2 (6.67%) Consultant
4 2 (6.67%) Designer
4 2 (6.67%) Technical Consultant
Libraries, Frameworks & Software Standards
1 12 (40.00%) LAPP Stack
2 7 (23.33%) Gherkin
2 7 (23.33%) LAMP
3 6 (20.00%) Hibernate
3 6 (20.00%) RESTful
3 6 (20.00%) Spring
4 2 (6.67%) Middleware
Miscellaneous
1 14 (46.67%) Clustering
2 12 (40.00%) Computer Science
3 2 (6.67%) Data Centre
4 1 (3.33%) Linux Command Line
Operating Systems
1 15 (50.00%) Linux
2 4 (13.33%) Windows
3 2 (6.67%) Unix
3 2 (6.67%) Windows Server
Processes & Methodologies
1 13 (43.33%) Agile Software Development
2 12 (40.00%) Configuration Management
3 11 (36.67%) BDD
4 10 (33.33%) Software Engineering
5 9 (30.00%) DevOps
5 9 (30.00%) TDD
6 7 (23.33%) ATDD
6 7 (23.33%) Kanban
6 7 (23.33%) Scrum
6 7 (23.33%) Software Testing
6 7 (23.33%) Test Strategy
7 6 (20.00%) Open Source
7 6 (20.00%) Test Automation
8 5 (16.67%) Automation Testing
8 5 (16.67%) Continuous Delivery
8 5 (16.67%) Non-Functional Testing
8 5 (16.67%) User Acceptance Testing
9 4 (13.33%) Regression Testing
10 3 (10.00%) Continuous Integration
10 3 (10.00%) Integration Testing
Programming Languages
1 24 (80.00%) Java
2 12 (40.00%) Bash Shell
2 12 (40.00%) Perl
2 12 (40.00%) Python
2 12 (40.00%) Ruby
3 7 (23.33%) SQL
4 5 (16.67%) C#
4 5 (16.67%) VB
5 2 (6.67%) C
5 2 (6.67%) Shell Script
Qualifications
1 12 (40.00%) RHCE
2 1 (3.33%) Degree
Quality Assurance & Compliance
1 3 (10.00%) QA
2 2 (6.67%) SDET
System Software
1 2 (6.67%) Docker
1 2 (6.67%) VMware Infrastructure
Systems Management
1 13 (43.33%) Puppet
2 12 (40.00%) Salt
3 1 (3.33%) Ansible
3 1 (3.33%) Cisco UCCE
Vendors
1 4 (13.33%) Atlassian
2 2 (6.67%) Actix
2 2 (6.67%) Dell
2 2 (6.67%) VMware
3 1 (3.33%) Cisco
3 1 (3.33%) Verint