Period
to 18 September 2019

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 18 September 2019 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
18 Sep 2019
Same period 2018 Same period 2017
Rank 88 90 79
Rank change year-on-year +2 -11 -19
Contract jobs citing Performance Tuning 13 12 17
As % of all contract IT jobs advertised in Hertfordshire 0.93% 0.74% 1.21%
As % of the Processes & Methodologies category 1.09% 0.91% 1.47%
Number of daily rates quoted 7 10 19
Hertfordshire median daily rate £338 £406 £388
Median daily rate % change year-on-year -16.92% +4.84% +8.39%
10th Percentile £273 £362 £339
90th Percentile £391 £464 £394
East of England median daily rate £390 £419 £363
% change year-on-year -6.87% +15.52% -14.71%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate - - £43.75

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 1,190 1,319 1,158
As % of all contract IT jobs advertised in Hertfordshire 85.18% 81.42% 82.71%
Number of daily rates quoted 656 762 573
Hertfordshire median daily rate £448 £415 £400
Median daily rate % change year-on-year +7.83% +3.75% -
10th Percentile £263 £205 £213
90th Percentile £588 £569 £575
East of England median daily rate £450 £435 £425
% change year-on-year +3.45% +2.35% +6.25%
Number of hourly rates quoted 58 91 68
Hertfordshire median hourly rate £17.25 £17.32 £16.82
Median hourly rate % change year-on-year -0.40% +2.97% -25.24%
10th Percentile £10.41 £11.18 £11.86
90th Percentile £49.50 £47.25 £44.13
East of England median hourly rate £17.50 £17.50 £26.22
% change year-on-year - -33.26% +4.88%

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
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing Performance Tuning in Hertfordshire over the 6 months to 18 September 2019.

Contractor daily rate histogram 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 18 September 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
Watford - 6 £318 - 2
Hemel Hempstead +2 3 £383 -5.85% 4
Hatfield +2 1 - - 4
Rickmansworth - 1 - -
Royston - 1 - - 1
Performance Tuning
East of England

For the 6 months to 18 September 2019, 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 11 (84.62%) Linux
2 8 (61.54%) SQL
3 5 (38.46%) Unix
3 5 (38.46%) Windows
3 5 (38.46%) IBM
3 5 (38.46%) Linux Command Line
4 4 (30.77%) Perl
4 4 (30.77%) HP
4 4 (30.77%) Shell Script
4 4 (30.77%) Information Security
4 4 (30.77%) Bash Shell
5 3 (23.08%) Redis
5 3 (23.08%) Percona
5 3 (23.08%) hybris
5 3 (23.08%) 3PAR
5 3 (23.08%) Git (software)
5 3 (23.08%) AWS
5 3 (23.08%) SSH
5 3 (23.08%) Data Analysis
5 3 (23.08%) Brocade
5 3 (23.08%) VMware Infrastructure
5 3 (23.08%) EMC
5 3 (23.08%) Cisco
5 3 (23.08%) SAN
5 3 (23.08%) NetApp
5 3 (23.08%) Veritas
5 3 (23.08%) Disaster Recovery
5 3 (23.08%) Tivoli Storage Manager
5 3 (23.08%) Finance
5 3 (23.08%) VMware

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 1 (7.69%) IBM Notes
1 1 (7.69%) nginx
1 1 (7.69%) Oracle Service Bus
1 1 (7.69%) Oracle SOA Suite
1 1 (7.69%) SharePoint
1 1 (7.69%) WebLogic
Applications
1 1 (7.69%) Microsoft Excel
1 1 (7.69%) Microsoft PowerPoint
Cloud Services
1 3 (23.08%) Amazon CloudWatch
1 3 (23.08%) AWS
1 3 (23.08%) Datadog
2 2 (15.38%) Amazon S3
3 1 (7.69%) GCP
Communications & Networking
1 3 (23.08%) SAN
1 3 (23.08%) SSH
1 3 (23.08%) TCP/IP
2 2 (15.38%) DNS
2 2 (15.38%) NAS
3 1 (7.69%) HTTP
3 1 (7.69%) HTTPS
Database & Business Intelligence
1 3 (23.08%) Amazon Aurora
1 3 (23.08%) Amazon DynamoDB
1 3 (23.08%) Amazon RDS
1 3 (23.08%) MySQL
1 3 (23.08%) Redis
2 2 (15.38%) SQL Server
3 1 (7.69%) Big Data
3 1 (7.69%) Data Warehouse
3 1 (7.69%) Oracle Database 12c
3 1 (7.69%) Oracle ODI
Development Applications
1 3 (23.08%) Git (software)
1 3 (23.08%) Jenkins
2 2 (15.38%) AppScan
2 2 (15.38%) Burp Suite
2 2 (15.38%) SoapUI
3 1 (7.69%) Artifactory
3 1 (7.69%) Sonatype Nexus
General
1 3 (23.08%) Finance
2 2 (15.38%) Banking
2 2 (15.38%) Investment Banking
2 2 (15.38%) Retail
3 1 (7.69%) Manufacturing
3 1 (7.69%) Telecoms
Job Titles
1 3 (23.08%) Administrator
2 2 (15.38%) DBA
2 2 (15.38%) Developer
2 2 (15.38%) Penetration Tester
2 2 (15.38%) Storage Administrator
2 2 (15.38%) Teradata Support
2 2 (15.38%) Tester
3 1 (7.69%) Applications Tester
3 1 (7.69%) Backup Administrator
3 1 (7.69%) Infrastructure Engineer
3 1 (7.69%) Linux Administrator
3 1 (7.69%) Linux Engineer
3 1 (7.69%) Linux Scripter
3 1 (7.69%) Linux Systems Administrator
3 1 (7.69%) Middleware Developer
3 1 (7.69%) Oracle Developer
3 1 (7.69%) Python Developer
3 1 (7.69%) Storage and Backup Administrator
3 1 (7.69%) Storage Engineer
3 1 (7.69%) Web Applications Tester
Libraries, Frameworks & Software Standards
1 3 (23.08%) Web Services
2 2 (15.38%) .NET
2 2 (15.38%) Ajax
2 2 (15.38%) ASP.NET
2 2 (15.38%) HTML
2 2 (15.38%) JSON
2 2 (15.38%) RESTful
2 2 (15.38%) XML
2 2 (15.38%) X-Windows
3 1 (7.69%) Elastic Stack
3 1 (7.69%) Middleware
3 1 (7.69%) Oracle Fusion
3 1 (7.69%) REST
3 1 (7.69%) SOAP
Miscellaneous
1 5 (38.46%) Linux Command Line
2 3 (23.08%) Data Structures
2 3 (23.08%) EMC Centera
2 3 (23.08%) EMC VMAX
2 3 (23.08%) EMC VNX
2 3 (23.08%) EMC VNXe
3 2 (15.38%) Analytical Skills
3 2 (15.38%) Management Information System
3 2 (15.38%) Replication
Operating Systems
1 11 (84.62%) Linux
2 5 (38.46%) Unix
2 5 (38.46%) Windows
3 3 (23.08%) Solaris
4 2 (15.38%) AIX
4 2 (15.38%) Android
4 2 (15.38%) Apple iOS
4 2 (15.38%) Red Hat Enterprise Linux
4 2 (15.38%) Windows 2000
4 2 (15.38%) Windows Server 2003
4 2 (15.38%) Windows Server 2008
5 1 (7.69%) CentOS
5 1 (7.69%) Data ONTAP
Processes & Methodologies
1 4 (30.77%) Information Security
2 3 (23.08%) Data Analysis
2 3 (23.08%) Disaster Recovery
2 3 (23.08%) E-Commerce
2 3 (23.08%) Performance Monitoring
2 3 (23.08%) Proactive Monitoring
2 3 (23.08%) Task Automation
3 2 (15.38%) BCP
3 2 (15.38%) Break/Fix
3 2 (15.38%) Change Management
3 2 (15.38%) Critical Thinking
3 2 (15.38%) ITIL V3
3 2 (15.38%) Non-Functional Testing
3 2 (15.38%) Scrum
3 2 (15.38%) Security Management
3 2 (15.38%) Security Patching
3 2 (15.38%) Service Management
3 2 (15.38%) Storage Management
3 2 (15.38%) Vulnerability Scanning
3 2 (15.38%) Workflow
Programming Languages
1 8 (61.54%) SQL
2 4 (30.77%) Bash Shell
2 4 (30.77%) Perl
2 4 (30.77%) Shell Script
3 3 (23.08%) Python
4 2 (15.38%) Java
4 2 (15.38%) JavaScript
4 2 (15.38%) Korn
4 2 (15.38%) Objective-C
4 2 (15.38%) PHP
4 2 (15.38%) PowerShell
5 1 (7.69%) Ruby
Qualifications
1 2 (15.38%) SANS
2 1 (7.69%) MCSE
2 1 (7.69%) Microsoft Certification
2 1 (7.69%) VERITAS Certified Professional (VCP)
2 1 (7.69%) VMware Certified Professional (VCP)
System Software
1 3 (23.08%) VMware Infrastructure
2 2 (15.38%) Active Directory
2 2 (15.38%) NFS
2 2 (15.38%) SRDF
2 2 (15.38%) Veritas Volume Manager
2 2 (15.38%) VMware ESXi
3 1 (7.69%) Firmware
3 1 (7.69%) Hyper-V
Systems Management
1 3 (23.08%) Tivoli Storage Manager
2 2 (15.38%) EMC TimeFinder
2 2 (15.38%) NetApp OnCommand
2 2 (15.38%) Single Sign-On
2 2 (15.38%) Terraform
2 2 (15.38%) Tivoli
2 2 (15.38%) WebInspect
3 1 (7.69%) IBM BigFix
3 1 (7.69%) Kibana
3 1 (7.69%) logstash
3 1 (7.69%) NetBackup
3 1 (7.69%) Puppet
3 1 (7.69%) vRealize
Vendors
1 5 (38.46%) IBM
2 4 (30.77%) HP
3 3 (23.08%) 3PAR
3 3 (23.08%) Brocade
3 3 (23.08%) Cisco
3 3 (23.08%) EMC
3 3 (23.08%) hybris
3 3 (23.08%) NetApp
3 3 (23.08%) Oracle
3 3 (23.08%) Percona
3 3 (23.08%) Veritas
3 3 (23.08%) VMware
4 2 (15.38%) Acunetix
4 2 (15.38%) CyberArk
4 2 (15.38%) ServiceNow
4 2 (15.38%) Teradata
5 1 (7.69%) Google
5 1 (7.69%) Lotus
5 1 (7.69%) SAP
5 1 (7.69%) Veeam