Period
to 21 October 2018

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 21 October 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.

Perl
East of England > Hertfordshire
6 months to
21 Oct 2018
Same period 2017 Same period 2016
Rank 87 62 71
Rank change year-on-year -25 +9 -9
Contract jobs citing Perl 13 38 24
As % of all contract IT jobs advertised in Hertfordshire 0.82% 2.52% 1.69%
As % of the Programming Languages category 2.41% 6.53% 4.77%
Number of daily rates quoted 11 14 18
Hertfordshire median daily rate £413 £410 £258
Median daily rate % change year-on-year +0.61% +59.22% -20.77%
10th Percentile £240 £363 £250
90th Percentile £438 £473 £360
East of England median daily rate £425 £456 £425
% change year-on-year -6.85% +7.35% +3.03%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate £30.00 £37.50 £37.00
% change year-on-year -20.00% +1.35% +23.33%

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 540 582 503
As % of all contract IT jobs advertised in Hertfordshire 33.98% 38.57% 35.45%
Number of daily rates quoted 355 315 278
Hertfordshire median daily rate £400 £410 £375
Median daily rate % change year-on-year -2.44% +9.33% +1.25%
10th Percentile £254 £278 £229
90th Percentile £556 £576 £538
East of England median daily rate £425 £400 £375
% change year-on-year +6.25% +6.67% -
Number of hourly rates quoted 17 19 29
Hertfordshire median hourly rate £46.50 £16.81 £49.50
Median hourly rate % change year-on-year +176.70% -66.05% +48.87%
10th Percentile £14.55 £12.80 £20.00
90th Percentile £54.00 £42.30 £54.15
East of England median hourly rate £45.00 £40.00 £40.00
% change year-on-year +12.50% - +6.67%

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 Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing Perl in Hertfordshire over the 6 months to 21 October 2018.

Contractor daily rate histogram 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 21 October 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
Stevenage - 6 £420 - 1
Hemel Hempstead -9 2 £413 +10.00%
Watford -3 1 - -
Welwyn Garden City -15 1 £350 -
Waltham Cross - 1 £300 - 4
Perl
East of England

For the 6 months to 21 October 2018, IT contractor jobs citing Perl 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 Perl.

1 11 (84.62%) Linux
2 7 (53.85%) Bash Shell
3 6 (46.15%) TCP/IP
4 5 (38.46%) Python
4 5 (38.46%) Unix
5 4 (30.77%) Windows
5 4 (30.77%) HPUX
5 4 (30.77%) Solaris
5 4 (30.77%) FTP
5 4 (30.77%) ITIL
5 4 (30.77%) Shell Script
5 4 (30.77%) NetApp
5 4 (30.77%) Firewall
5 4 (30.77%) Clustering
5 4 (30.77%) Red Hat Enterprise Linux
5 4 (30.77%) Korn
5 4 (30.77%) PowerShell
6 3 (23.08%) Incident Management
6 3 (23.08%) Git (software)
6 3 (23.08%) Puppet
6 3 (23.08%) Opscode Chef
6 3 (23.08%) Ansible
6 3 (23.08%) Ruby
6 3 (23.08%) Change Management
6 3 (23.08%) Project Management
6 3 (23.08%) Pharmaceutical
6 3 (23.08%) Active Directory
6 3 (23.08%) LDAP
6 3 (23.08%) Java
6 3 (23.08%) .NET

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 2 (15.38%) Elasticsearch
1 2 (15.38%) nginx
1 2 (15.38%) OpenStack
Cloud Services
1 2 (15.38%) Amazon AWS
1 2 (15.38%) Google Cloud Platform
1 2 (15.38%) Stackdriver
2 1 (7.69%) IaaS
2 1 (7.69%) Microsoft Azure
2 1 (7.69%) PaaS
Communications & Networking
1 6 (46.15%) TCP/IP
2 4 (30.77%) Firewall
2 4 (30.77%) FTP
3 2 (15.38%) HTTP
4 1 (7.69%) DHCP
4 1 (7.69%) DNS
4 1 (7.69%) HTTPS
4 1 (7.69%) IGMP
4 1 (7.69%) Internet
4 1 (7.69%) PBX
4 1 (7.69%) RTCP
4 1 (7.69%) RTP
4 1 (7.69%) SNMP
4 1 (7.69%) SSL
4 1 (7.69%) VLAN
4 1 (7.69%) VoIP
4 1 (7.69%) Wi-Fi
4 1 (7.69%) Wireless
4 1 (7.69%) Wireshark
Database & Business Intelligence
1 2 (15.38%) Big Data
2 1 (7.69%) MongoDB
Development Applications
1 3 (23.08%) Git (software)
2 2 (15.38%) Artifactory
2 2 (15.38%) Jenkins
3 1 (7.69%) GDB
3 1 (7.69%) Sonatype Nexus
3 1 (7.69%) Subversion
3 1 (7.69%) Team Foundation Server
3 1 (7.69%) Valgrind
3 1 (7.69%) Visual Studio
General
1 3 (23.08%) Pharmaceutical
2 2 (15.38%) Telecoms
3 1 (7.69%) Aerospace
Job Titles
1 3 (23.08%) Analyst
1 3 (23.08%) DevOps Engineer
1 3 (23.08%) Systems Analyst
2 2 (15.38%) Administrator
2 2 (15.38%) Developer
2 2 (15.38%) Unix Administrator
2 2 (15.38%) Unix Engineer
3 1 (7.69%) 3rd Line Support
3 1 (7.69%) 3rd Line Support Specialist
3 1 (7.69%) C Developer
3 1 (7.69%) Consultant
3 1 (7.69%) Linux Engineer
3 1 (7.69%) Software Developer
3 1 (7.69%) Support Engineer
3 1 (7.69%) Support Specialist
3 1 (7.69%) Systems Support
3 1 (7.69%) Systems Support Analyst
3 1 (7.69%) Unix Support
3 1 (7.69%) Unix Support Engineer
3 1 (7.69%) VoIP Developer
Libraries, Frameworks & Software Standards
1 3 (23.08%) .NET
1 3 (23.08%) LDAP
2 2 (15.38%) Elastic Stack
2 2 (15.38%) Node.js
3 1 (7.69%) FreeSWITCH
3 1 (7.69%) XML
Miscellaneous
1 4 (30.77%) Clustering
2 2 (15.38%) Management Information System
3 1 (7.69%) Analytical Skills
3 1 (7.69%) Computer Science
3 1 (7.69%) Enterprise Software
3 1 (7.69%) Public Cloud
3 1 (7.69%) Replication
Operating Systems
1 11 (84.62%) Linux
2 5 (38.46%) Unix
3 4 (30.77%) HPUX
3 4 (30.77%) Red Hat Enterprise Linux
3 4 (30.77%) Solaris
3 4 (30.77%) Windows
4 3 (23.08%) Windows Server
5 2 (15.38%) CentOS
Processes & Methodologies
1 4 (30.77%) ITIL
2 3 (23.08%) Change Management
2 3 (23.08%) DevOps
2 3 (23.08%) Incident Management
2 3 (23.08%) Problem-Solving
2 3 (23.08%) Project Management
3 2 (15.38%) Continuous Integration
3 2 (15.38%) Infrastructure Management
3 2 (15.38%) Load Balancing
3 2 (15.38%) Microservices
3 2 (15.38%) Technical Analysis
4 1 (7.69%) Analytics
4 1 (7.69%) Database Tuning
4 1 (7.69%) Mathematics
4 1 (7.69%) Open Source
4 1 (7.69%) Performance Testing
4 1 (7.69%) Security Testing
4 1 (7.69%) Statistics
4 1 (7.69%) Technical Architecture
4 1 (7.69%) Test Automation
Programming Languages
1 7 (53.85%) Bash Shell
2 5 (38.46%) Python
3 4 (30.77%) Korn
3 4 (30.77%) PowerShell
3 4 (30.77%) Shell Script
4 3 (23.08%) Java
4 3 (23.08%) Ruby
5 2 (15.38%) C
5 2 (15.38%) PHP
6 1 (7.69%) ANSI C
6 1 (7.69%) C++
6 1 (7.69%) R
6 1 (7.69%) SQL
6 1 (7.69%) VB
6 1 (7.69%) VBScript
Qualifications
1 2 (15.38%) SC Cleared
1 2 (15.38%) Security Cleared
Quality Assurance & Compliance
1 1 (7.69%) CDISC
1 1 (7.69%) Data Quality
1 1 (7.69%) GCP
1 1 (7.69%) QA
System Software
1 3 (23.08%) Active Directory
2 2 (15.38%) Docker
3 1 (7.69%) Hyper-V
3 1 (7.69%) KVM
3 1 (7.69%) VirtualBox
Systems Management
1 3 (23.08%) Ansible
1 3 (23.08%) Opscode Chef
1 3 (23.08%) Puppet
2 2 (15.38%) HAProxy
2 2 (15.38%) Kibana
2 2 (15.38%) logstash
2 2 (15.38%) Terraform
3 1 (7.69%) Salt
Vendors
1 4 (30.77%) NetApp
2 3 (23.08%) Oracle
3 2 (15.38%) Google
3 2 (15.38%) New Relic
3 2 (15.38%) SolarWinds
3 2 (15.38%) Splunk
3 2 (15.38%) VMware
4 1 (7.69%) Atlassian
4 1 (7.69%) F5
4 1 (7.69%) Percona
4 1 (7.69%) Red Hat