Period
to 15 August 2018

The following table provides summary statistics for contract job vacancies advertised in Hertfordshire with a requirement for Performance Tuning skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Performance Tuning over the 6 months to 15 August 2018 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.

Performance Tuning
East of England > Hertfordshire
6 months to
15 Aug 2018
Same period 2017 Same period 2016
Rank 89 80 60
Rank change year-on-year -9 -20 +3
Contract jobs citing Performance Tuning 10 13 28
As % of all contract IT jobs advertised in Hertfordshire 0.64% 1.01% 1.94%
As % of the Processes & Methodologies category 0.78% 1.24% 2.44%
Number of daily rates quoted 9 6 22
Hertfordshire median daily rate £400 £356 £373
Median daily rate % change year-on-year +12.28% -4.36% -0.67%
10th Percentile £361 £283 £256
90th Percentile £442 £463 £499
East of England median daily rate £425 £320 £425
% change year-on-year +32.81% -24.71% +18.06%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate £40.00 £45.00 £40.00
% change year-on-year -11.11% +12.50% -

Performance Tuning is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Hertfordshire with a requirement for process or methodology skills.

All Process and Methodology Skills
Hertfordshire
Contract vacancies with a requirement for process or methodology skills 1,284 1,049 1,146
As % of all contract IT jobs advertised in Hertfordshire 81.78% 81.25% 79.31%
Number of daily rates quoted 741 541 611
Hertfordshire median daily rate £413 £413 £400
Median daily rate % change year-on-year - +3.13% +5.12%
10th Percentile £210 £213 £220
90th Percentile £569 £588 £550
East of England median daily rate £438 £425 £400
% change year-on-year +2.94% +6.25% +3.23%
Number of hourly rates quoted 94 66 46
Hertfordshire median hourly rate £17.32 £16.82 £22.50
Median hourly rate % change year-on-year +2.97% -25.24% +21.62%
10th Percentile £11.10 £11.76 £9.63
90th Percentile £46.25 £45.75 £53.75
East of England median hourly rate £17.50 £26.00 £25.00
% change year-on-year -32.69% +4.00% +8.70%

Performance Tuning
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for Performance Tuning in Hertfordshire

Performance Tuning
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for Performance Tuning in Hertfordshire

Performance Tuning
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 Performance Tuning within the Hertfordshire region over the 6 months to 15 August 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
Hemel Hempstead -8 5 £413 -21.43%
Welwyn Garden City - 1 £460 -
Performance Tuning
East of England

For the 6 months to 15 August 2018, IT contractor jobs citing Performance Tuning 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 across the Hertfordshire region with a requirement for Performance Tuning.

1 8 (80.00%) SQL
2 6 (60.00%) Linux
2 6 (60.00%) Database Tuning
2 6 (60.00%) Git (software)
3 5 (50.00%) MongoDB
3 5 (50.00%) Bash Shell
3 5 (50.00%) Google Cloud Platform
3 5 (50.00%) Firewall
3 5 (50.00%) Ruby
4 4 (40.00%) Google
4 4 (40.00%) Load Balancing
4 4 (40.00%) Continuous Integration
4 4 (40.00%) Python
4 4 (40.00%) SQL Server
4 4 (40.00%) TCP/IP
4 4 (40.00%) DNS
4 4 (40.00%) SSL
4 4 (40.00%) logstash
4 4 (40.00%) DevOps
4 4 (40.00%) Kibana
4 4 (40.00%) Elastic Stack
4 4 (40.00%) Sonatype Nexus
4 4 (40.00%) Puppet
4 4 (40.00%) Percona
4 4 (40.00%) Artifactory
4 4 (40.00%) Jenkins
4 4 (40.00%) Elasticsearch
4 4 (40.00%) Protective Monitoring
4 4 (40.00%) CentOS
4 4 (40.00%) Test Automation

Performance Tuning
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 4 (40.00%) Elasticsearch
1 4 (40.00%) nginx
2 3 (30.00%) OpenStack
3 1 (10.00%) Confluence
3 1 (10.00%) Oracle Service Bus
3 1 (10.00%) Oracle SOA Suite
Cloud Services
1 5 (50.00%) Google Cloud Platform
2 3 (30.00%) Stackdriver
3 1 (10.00%) Microsoft Azure
3 1 (10.00%) PaaS
3 1 (10.00%) SaaS
Communications & Networking
1 5 (50.00%) Firewall
2 4 (40.00%) DNS
2 4 (40.00%) SSL
2 4 (40.00%) TCP/IP
3 3 (30.00%) HTTP
3 3 (30.00%) HTTPS
3 3 (30.00%) Wireless
4 2 (20.00%) Wi-Fi
5 1 (10.00%) SAN
Database & Business Intelligence
1 5 (50.00%) MongoDB
2 4 (40.00%) SQL Server
3 3 (30.00%) Big Data
3 3 (30.00%) Data Warehouse
3 3 (30.00%) SQL Server Integration Services
4 2 (20.00%) Oracle Database
4 2 (20.00%) Oracle Database 12c
4 2 (20.00%) SQL Server Analysis Services
4 2 (20.00%) SQL Server Reporting Services
5 1 (10.00%) Hadoop
5 1 (10.00%) HDInsight
5 1 (10.00%) Oracle Database 11g
5 1 (10.00%) Power BI
Development Applications
1 6 (60.00%) Git (software)
2 4 (40.00%) Artifactory
2 4 (40.00%) Jenkins
2 4 (40.00%) Sonatype Nexus
3 2 (20.00%) JIRA
4 1 (10.00%) Team Foundation Server
4 1 (10.00%) Visual Studio Team System
General
1 3 (30.00%) Telecoms
2 1 (10.00%) Banking
Job Titles
1 4 (40.00%) DevOps Engineer
2 3 (30.00%) Consultant
3 2 (20.00%) Developer
3 2 (20.00%) DevOps Consultant
4 1 (10.00%) Administrator
4 1 (10.00%) Business Intelligence Developer
4 1 (10.00%) Business Intelligence Lead
4 1 (10.00%) DBA
4 1 (10.00%) Linux Administrator
4 1 (10.00%) Linux Systems Administrator
4 1 (10.00%) Oracle Consultant
4 1 (10.00%) Oracle DBA
4 1 (10.00%) Solaris Administrator
4 1 (10.00%) Solaris Systems Administrator
4 1 (10.00%) SQL DBA
4 1 (10.00%) SQL Developer
4 1 (10.00%) SSIS Developer
4 1 (10.00%) Systems Administrator
Libraries, Frameworks & Software Standards
1 4 (40.00%) Elastic Stack
2 3 (30.00%) Node.js
3 2 (20.00%) MDX
4 1 (10.00%) .NET
4 1 (10.00%) Angular 2
4 1 (10.00%) AngularJS
4 1 (10.00%) ASP.NET Web API
Miscellaneous
1 3 (30.00%) Replication
2 2 (20.00%) Analytical Skills
3 1 (10.00%) Data Structures
3 1 (10.00%) Greenfield Project
Operating Systems
1 6 (60.00%) Linux
2 4 (40.00%) CentOS
3 2 (20.00%) Solaris
4 1 (10.00%) Unix
4 1 (10.00%) Windows
Processes & Methodologies
1 6 (60.00%) Database Tuning
2 4 (40.00%) Continuous Integration
2 4 (40.00%) DevOps
2 4 (40.00%) Load Balancing
2 4 (40.00%) Protective Monitoring
2 4 (40.00%) Test Automation
3 3 (30.00%) Break/Fix
3 3 (30.00%) Configuration Management
3 3 (30.00%) Deployment Automation
3 3 (30.00%) Microservices
3 3 (30.00%) Performance Measurement
3 3 (30.00%) Performance Testing
3 3 (30.00%) Release Automation
3 3 (30.00%) Security Testing
3 3 (30.00%) Validation
4 2 (20.00%) Data Modelling
4 2 (20.00%) ETL
4 2 (20.00%) Infrastructure Management
4 2 (20.00%) Line Management
4 2 (20.00%) Unit Testing
Programming Languages
1 8 (80.00%) SQL
2 5 (50.00%) Bash Shell
2 5 (50.00%) Ruby
3 4 (40.00%) Python
4 3 (30.00%) Perl
4 3 (30.00%) PHP
4 3 (30.00%) T-SQL
5 2 (20.00%) PL/SQL
5 2 (20.00%) Shell Script
6 1 (10.00%) Bourne shell
6 1 (10.00%) C#
6 1 (10.00%) JavaScript
6 1 (10.00%) TypeScript
Quality Assurance & Compliance
1 3 (30.00%) QA
2 1 (10.00%) GCP
2 1 (10.00%) SLA
System Software
1 1 (10.00%) Virtual Servers
1 1 (10.00%) VMware Infrastructure
Systems Management
1 4 (40.00%) Kibana
1 4 (40.00%) logstash
1 4 (40.00%) Puppet
2 3 (30.00%) Ansible
2 3 (30.00%) HAProxy
2 3 (30.00%) Opscode Chef
3 1 (10.00%) Oracle Enterprise Manager
3 1 (10.00%) Oracle RMAN
3 1 (10.00%) SCOM
Vendors
1 4 (40.00%) Google
1 4 (40.00%) Percona
2 3 (30.00%) F5
2 3 (30.00%) Microsoft
2 3 (30.00%) New Relic
2 3 (30.00%) SolarWinds
2 3 (30.00%) Splunk
3 2 (20.00%) Atlassian
3 2 (20.00%) Oracle
4 1 (10.00%) Salesforce.com
4 1 (10.00%) Veritas
4 1 (10.00%) VMware