Period
to 20 November 2017

The following table provides summary statistics for contract job vacancies advertised in Hertfordshire with a requirement for Perl skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Perl over the 6 months to 20 November 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.

Perl
East of England > Hertfordshire
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 70 66 62
Rank change year-on-year -4 -4 +17
Contract jobs citing Perl 29 27 41
As % of all contract IT jobs advertised in Hertfordshire 1.86% 1.97% 2.52%
As % of the Programming Languages category 4.83% 5.36% 7.17%
Number of daily rates quoted 14 17 15
Hertfordshire median daily rate £410 £258 £325
Median daily rate % change year-on-year +59.22% -20.77% -7.14%
10th Percentile £363 £250 £300
90th Percentile £473 £464 £416
East of England median daily rate £450 £430 £413
% change year-on-year +4.65% +4.24% +3.13%
Number of hourly rates quoted 0 0 1
Hertfordshire median hourly rate - - £32.50
East of England median hourly rate £37.50 £37.50 £31.25
% change year-on-year - +20.00% -10.71%

Perl is in the Programming Languages 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 coding skills.

All Programming Languages
Hertfordshire
Contract vacancies with a requirement for coding skills 600 504 572
As % of all contract IT jobs advertised in Hertfordshire 38.44% 36.76% 35.11%
Number of daily rates quoted 318 291 272
Hertfordshire median daily rate £425 £380 £375
Median daily rate % change year-on-year +11.84% +1.33% +7.14%
10th Percentile £284 £231 £261
90th Percentile £588 £538 £500
East of England median daily rate £400 £375 £375
% change year-on-year +6.67% - +3.45%
Number of hourly rates quoted 22 28 34
Hertfordshire median hourly rate £17.15 £49.75 £34.50
Median hourly rate % change year-on-year -65.52% +44.20% +72.50%
10th Percentile £13.65 £33.37 £15.04
90th Percentile £43.75 £54.35 £43.38
East of England median hourly rate £40.50 £40.00 £37.50
% change year-on-year +1.25% +6.67% +2.74%

Perl
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for Perl in Hertfordshire

Perl
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for Perl in Hertfordshire

Perl
Contractor Hourly Rate Trend in Hertfordshire

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

Contractor hourly rate trend for Perl in Hertfordshire

Perl
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 Perl within the Hertfordshire region over the 6 months to 20 November 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
Watford +2 9 £388 -
Hemel Hempstead - 5 £375 - 1
St Albans -3 1 £463 -
Welwyn Garden City - 1 - -
Perl
East of England

For the 6 months to 20 November 2017, IT contractor jobs citing Perl 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 Perl.

1 23 (79.31%) Linux
2 17 (58.62%) Python
3 14 (48.28%) SQL
4 11 (37.93%) Unix
4 11 (37.93%) E-Commerce
5 8 (27.59%) Cisco
5 8 (27.59%) Shell Script
5 8 (27.59%) Oracle
5 8 (27.59%) VMware
5 8 (27.59%) Agile Software Development
5 8 (27.59%) Bash Shell
6 7 (24.14%) VMware Infrastructure
6 7 (24.14%) Analytical Skills
6 7 (24.14%) Windows Server
6 7 (24.14%) Firewall
6 7 (24.14%) Windows
7 6 (20.69%) DB2
7 6 (20.69%) Java
7 6 (20.69%) AWK
7 6 (20.69%) Data Centre
7 6 (20.69%) CentOS
8 5 (17.24%) PowerShell
8 5 (17.24%) VirtualBox
8 5 (17.24%) DbVisualizer
8 5 (17.24%) Root Cause Analysis
8 5 (17.24%) Dynatrace
8 5 (17.24%) AppDynamics
8 5 (17.24%) Continuous Delivery
8 5 (17.24%) New Relic
8 5 (17.24%) Performance Monitoring

Perl
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 5 (17.24%) JBoss
1 5 (17.24%) Tomcat
2 4 (13.79%) Apache
2 4 (13.79%) Exchange Server 2000
2 4 (13.79%) Exchange Server 2003
2 4 (13.79%) Exchange Server 5.5
2 4 (13.79%) MS Exchange
3 3 (10.34%) OpenStack
4 1 (3.45%) Adobe Experience Manager
4 1 (3.45%) Cloud Foundry
4 1 (3.45%) CMS
4 1 (3.45%) MQSeries
4 1 (3.45%) WebSphere
4 1 (3.45%) WebSphere Application Server
Applications
1 4 (13.79%) Microsoft Office
Business Applications
1 1 (3.45%) Magento
Cloud Services
1 2 (6.90%) Microsoft Azure
2 1 (3.45%) Amazon AWS
2 1 (3.45%) Google Cloud Platform
Communications & Networking
1 7 (24.14%) Firewall
2 4 (13.79%) Internet
2 4 (13.79%) IPsec
2 4 (13.79%) LAN
2 4 (13.79%) VPN
2 4 (13.79%) WAN
2 4 (13.79%) X.500
3 3 (10.34%) HTTP
3 3 (10.34%) SSL
4 1 (3.45%) DHCP
4 1 (3.45%) DNS
4 1 (3.45%) iSCSI
4 1 (3.45%) LDAP
4 1 (3.45%) OpenLDAP
4 1 (3.45%) SNMP
4 1 (3.45%) TCP/IP
4 1 (3.45%) Wireless
Database & Business Intelligence
1 6 (20.69%) DB2
2 5 (17.24%) DbVisualizer
3 2 (6.90%) Oracle Database
3 2 (6.90%) Redis
4 1 (3.45%) Apache Cassandra
4 1 (3.45%) Jackrabbit
4 1 (3.45%) MySQL
4 1 (3.45%) NoSQL
4 1 (3.45%) PostgreSQL
4 1 (3.45%) RDBMS
4 1 (3.45%) Relational Database
Development Applications
1 5 (17.24%) JMeter
1 5 (17.24%) LoadRunner
1 5 (17.24%) The Grinder
2 3 (10.34%) IDA Disassembler
2 3 (10.34%) Metasploit
2 3 (10.34%) OllyDbg
3 2 (6.90%) Jenkins
3 2 (6.90%) Subversion
4 1 (3.45%) Ant
4 1 (3.45%) Eclipse
4 1 (3.45%) Git (software)
4 1 (3.45%) JUnit
4 1 (3.45%) Log4j
4 1 (3.45%) Mockito
4 1 (3.45%) WebSphere Studio Application Developer
General
1 5 (17.24%) Games
1 5 (17.24%) Law
2 2 (6.90%) Telecoms
Job Titles
1 6 (20.69%) Consultant
2 5 (17.24%) Administrator
2 5 (17.24%) Developer
2 5 (17.24%) Performance Consultant
3 4 (13.79%) Network Engineer
3 4 (13.79%) Systems Administrator
4 3 (10.34%) Analyst
4 3 (10.34%) Incident Analyst
4 3 (10.34%) Malware Analyst
4 3 (10.34%) Security Engineer
5 2 (6.90%) Perl Developer
5 2 (6.90%) Ruby Developer
5 2 (6.90%) Security Specialist
5 2 (6.90%) Security Tester
5 2 (6.90%) Senior Developer
5 2 (6.90%) Senior Ruby Developer
5 2 (6.90%) Tester
6 1 (3.45%) Java Developer
6 1 (3.45%) Linux Engineer
6 1 (3.45%) Sun Engineer
Libraries, Frameworks & Software Standards
1 4 (13.79%) HTML
2 3 (10.34%) CSS
2 3 (10.34%) Regular Expression
3 2 (6.90%) AngularJS
3 2 (6.90%) Catalyst
3 2 (6.90%) CGI
3 2 (6.90%) JSON
3 2 (6.90%) React
3 2 (6.90%) Ruby on Rails
3 2 (6.90%) XML
4 1 (3.45%) Ajax
4 1 (3.45%) JDBC
4 1 (3.45%) JMS
4 1 (3.45%) JSP
4 1 (3.45%) JSTL
4 1 (3.45%) Servlets
4 1 (3.45%) SOAP
4 1 (3.45%) XHTML
4 1 (3.45%) XSD
4 1 (3.45%) XSLT
Miscellaneous
1 7 (24.14%) Analytical Skills
2 6 (20.69%) Data Centre
3 4 (13.79%) Linux Command Line
4 3 (10.34%) Cyberthreat
5 2 (6.90%) Greenfield Project
6 1 (3.45%) Public Cloud
6 1 (3.45%) Security Operations Centre
Operating Systems
1 23 (79.31%) Linux
2 11 (37.93%) Unix
3 7 (24.14%) Windows
3 7 (24.14%) Windows Server
4 6 (20.69%) CentOS
5 5 (17.24%) AIX
5 5 (17.24%) HPUX
5 5 (17.24%) Solaris
5 5 (17.24%) VMS
6 4 (13.79%) Windows 2000 Server
7 2 (6.90%) Red Hat Enterprise Linux
7 2 (6.90%) Ubuntu
8 1 (3.45%) CoreOS
8 1 (3.45%) Debian
Processes & Methodologies
1 11 (37.93%) E-Commerce
2 8 (27.59%) Agile Software Development
3 5 (17.24%) Continuous Delivery
3 5 (17.24%) Performance Monitoring
3 5 (17.24%) Performance Testing
3 5 (17.24%) Programme Delivery
3 5 (17.24%) Root Cause Analysis
3 5 (17.24%) Statistics
4 3 (10.34%) Actionable Insight
4 3 (10.34%) Computer Architecture
4 3 (10.34%) Computer Forensics
4 3 (10.34%) Data Loss Prevention
4 3 (10.34%) Incident Management
4 3 (10.34%) Information Security
4 3 (10.34%) Malware Analysis
4 3 (10.34%) OO
4 3 (10.34%) Runbook
4 3 (10.34%) Test Automation
4 3 (10.34%) Threat Analysis
5 2 (6.90%) MVC
Programming Languages
1 17 (58.62%) Python
2 14 (48.28%) SQL
3 8 (27.59%) Bash Shell
3 8 (27.59%) Shell Script
4 6 (20.69%) AWK
4 6 (20.69%) Java
5 5 (17.24%) PHP
5 5 (17.24%) PowerShell
6 4 (13.79%) JavaScript
7 3 (10.34%) PL/SQL
7 3 (10.34%) Ruby
8 1 (3.45%) C
8 1 (3.45%) C++
8 1 (3.45%) sed
Qualifications
1 4 (13.79%) DV Cleared
1 4 (13.79%) Security Cleared
2 1 (3.45%) RHCA
2 1 (3.45%) RHCE
Quality Assurance & Compliance
1 2 (6.90%) Sarbanes-Oxley
System Software
1 7 (24.14%) VMware Infrastructure
2 5 (17.24%) VirtualBox
3 4 (13.79%) iptables
3 4 (13.79%) Samba
4 3 (10.34%) Virtual Desktop
5 2 (6.90%) Docker
6 1 (3.45%) LXC
6 1 (3.45%) VMware ESXi
6 1 (3.45%) vSphere
Systems Management
1 5 (17.24%) Grafana
2 3 (10.34%) EnCase
2 3 (10.34%) Symantec Endpoint Protection
3 2 (6.90%) Ansible
3 2 (6.90%) Kubernetes
3 2 (6.90%) Opscode Chef
3 2 (6.90%) Puppet
4 1 (3.45%) Mesos
4 1 (3.45%) Red Hat Satellite
4 1 (3.45%) ZABBIX
Vendors
1 8 (27.59%) Cisco
1 8 (27.59%) Oracle
1 8 (27.59%) VMware
2 5 (17.24%) AppDynamics
2 5 (17.24%) Dynatrace
2 5 (17.24%) HP
2 5 (17.24%) New Relic
2 5 (17.24%) Red Hat
3 4 (13.79%) EMC
3 4 (13.79%) Sun
4 3 (10.34%) FireEye
4 3 (10.34%) Intel
4 3 (10.34%) McAfee
4 3 (10.34%) Symantec
5 2 (6.90%) Google
6 1 (3.45%) ATG
6 1 (3.45%) Blue Martini
6 1 (3.45%) Dell
6 1 (3.45%) IBM
6 1 (3.45%) Microsoft