Period
to 10 December 2018

The following table provides summary statistics for permanent job vacancies advertised in Hertfordshire with a requirement for Perl skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Perl over the 6 months to 10 December 2018 with a comparison to the same period in the previous 2 years.

Perl
East of England > Hertfordshire
6 months to
10 Dec 2018
Same period 2017 Same period 2016
Rank 161 166 148
Rank change year-on-year +5 -18 -19
Permanent jobs citing Perl 46 49 75
As % of all permanent IT jobs advertised in Hertfordshire 1.18% 1.11% 1.69%
As % of the Programming Languages category 2.41% 2.11% 3.45%
Number of salaries quoted 21 46 73
Hertfordshire median annual salary £55,000 £39,000 £50,000
Median salary % change year-on-year +41.03% -22.00% +17.65%
10th Percentile £40,000 £25,500 £42,300
90th Percentile £70,000 £63,125 £70,000
East of England median annual salary £47,000 £46,902 £47,000
% change year-on-year +0.21% -0.21% +4.44%

Perl is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Hertfordshire with a requirement for coding skills.

All Programming Languages
Hertfordshire
Permanent vacancies with a requirement for coding skills 1,911 2,323 2,175
As % of all permanent IT jobs advertised in Hertfordshire 49.20% 52.72% 48.90%
Number of salaries quoted 1,587 2,026 1,883
Hertfordshire median annual salary £50,000 £47,500 £47,500
Median salary % change year-on-year +5.26% - +5.56%
10th Percentile £30,000 £31,250 £27,500
90th Percentile £72,000 £67,500 £67,500
East of England median annual salary £47,500 £47,500 £45,000
% change year-on-year - +5.56% +5.88%

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
Salary Trend in Hertfordshire

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Perl in Hertfordshire.

Salary trend for Perl in Hertfordshire

Perl
Salary Histogram in Hertfordshire

The salary distribution of IT jobs citing Perl in Hertfordshire over the 6 months to 10 December 2018.

Salary histogram for Perl in Hertfordshire

Perl
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Perl within the Hertfordshire region over the 6 months to 10 December 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Hatfield +10 17 £60,000 - 1
Welwyn Garden City - 12 - -
Waltham Cross - 6 £55,000 - 1
Watford -5 4 £45,000 -18.18% 2
St Albans 0 1 £55,000 +41.03% 1
Berkhamsted - 1 £25,000 -
Hemel Hempstead - 1 £46,000 -
Perl
East of England

For the 6 months to 10 December 2018, IT 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 permanent job ads across the Hertfordshire region with a requirement for Perl.

1 43 (93.48%) Python
2 37 (80.43%) Linux
3 31 (67.39%) Amazon AWS
4 23 (50.00%) DevOps
5 22 (47.83%) Problem-Solving
5 22 (47.83%) Ruby
6 21 (45.65%) Bash Shell
7 20 (43.48%) DHCP
7 20 (43.48%) TCP/IP
8 18 (39.13%) Agile Software Development
9 16 (34.78%) PHP
10 15 (32.61%) VBScript
10 15 (32.61%) PowerShell
11 14 (30.43%) YAML
11 14 (30.43%) Windows
11 14 (30.43%) DNS
12 13 (28.26%) Performance Monitoring
12 13 (28.26%) Visual Studio
13 12 (26.09%) Nessus
13 12 (26.09%) CISA
13 12 (26.09%) CISM
13 12 (26.09%) GIAC
13 12 (26.09%) CISSP
13 12 (26.09%) SSCP
13 12 (26.09%) Metasploit
13 12 (26.09%) Qualys
13 12 (26.09%) CEH
13 12 (26.09%) Nmap
13 12 (26.09%) Penetration Testing
13 12 (26.09%) Open Source

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 12 (26.09%) Elasticsearch
2 5 (10.87%) nginx
3 4 (8.70%) Confluence
4 2 (4.35%) JBoss
4 2 (4.35%) Tomcat
5 1 (2.17%) Apache
5 1 (2.17%) Apache Solr
5 1 (2.17%) ColdFusion
5 1 (2.17%) OpenStack
5 1 (2.17%) WebSphere
5 1 (2.17%) WebSphere Application Server
5 1 (2.17%) WildFly
5 1 (2.17%) WordPress
Business Applications
1 1 (2.17%) Magento
Cloud Services
1 31 (67.39%) Amazon AWS
2 8 (17.39%) Amazon EC2
2 8 (17.39%) Amazon S3
2 8 (17.39%) Google Cloud Platform
2 8 (17.39%) Virtual Private Cloud
3 7 (15.22%) Amazon CloudWatch
3 7 (15.22%) Amazon Glacier
3 7 (15.22%) Amazon SQS
3 7 (15.22%) AWS CloudFormation
3 7 (15.22%) AWS CloudTrail
3 7 (15.22%) Cloud Computing
4 5 (10.87%) Stackdriver
5 1 (2.17%) Google Analytics
Communications & Networking
1 20 (43.48%) DHCP
1 20 (43.48%) TCP/IP
2 14 (30.43%) DNS
3 7 (15.22%) Firewall
3 7 (15.22%) VPN
4 6 (13.04%) HTTP
4 6 (13.04%) IGMP
4 6 (13.04%) Internet
4 6 (13.04%) PBX
4 6 (13.04%) RTCP
4 6 (13.04%) RTP
4 6 (13.04%) SNMP
4 6 (13.04%) VLAN
4 6 (13.04%) VoIP
4 6 (13.04%) Wireshark
Database & Business Intelligence
1 8 (17.39%) Amazon RDS
2 4 (8.70%) MongoDB
3 1 (2.17%) Big Data
3 1 (2.17%) DB2
3 1 (2.17%) DbVisualizer
Development Applications
1 13 (28.26%) Visual Studio
2 12 (26.09%) Metasploit
3 6 (13.04%) GDB
3 6 (13.04%) Subversion
3 6 (13.04%) Team Foundation Server
3 6 (13.04%) Valgrind
4 5 (10.87%) Git (software)
5 4 (8.70%) Jenkins
5 4 (8.70%) JIRA
6 3 (6.52%) Mercurial
7 1 (2.17%) Ant
7 1 (2.17%) Appium
7 1 (2.17%) Firebug
7 1 (2.17%) JMeter
7 1 (2.17%) LoadRunner
7 1 (2.17%) Selenium
7 1 (2.17%) The Grinder
General
1 7 (15.22%) Advertising
2 6 (13.04%) Telecoms
Job Titles
1 14 (30.43%) AWS Specialist
2 12 (26.09%) Security Engineer
2 12 (26.09%) Vulnerability Management Engineer
3 9 (19.57%) DevOps Engineer
4 7 (15.22%) Infrastructure Specialist
5 6 (13.04%) C Developer
5 6 (13.04%) Developer
5 6 (13.04%) Linux Engineer
5 6 (13.04%) Software Developer
5 6 (13.04%) VoIP Developer
6 5 (10.87%) Linux DevOps Engineer
6 5 (10.87%) Linux/Unix DevOps
7 3 (6.52%) AWS DevOps
7 3 (6.52%) AWS DevOps Engineer
7 3 (6.52%) AWS Engineer
7 3 (6.52%) Cloud Engineer
7 3 (6.52%) Junior
7 3 (6.52%) Junior Linux Engineer
8 2 (4.35%) Java Engineer
8 2 (4.35%) Tester
Libraries, Frameworks & Software Standards
1 14 (30.43%) YAML
2 7 (15.22%) ActiveMQ
2 7 (15.22%) Web Services
3 6 (13.04%) FreeSWITCH
3 6 (13.04%) XML
4 1 (2.17%) Elastic Stack
4 1 (2.17%) Middleware
4 1 (2.17%) Node.js
Miscellaneous
1 12 (26.09%) Security Operations Centre
2 8 (17.39%) Analytical Skills
Operating Systems
1 37 (80.43%) Linux
2 14 (30.43%) Windows
3 12 (26.09%) Kali Linux
4 3 (6.52%) Ubuntu
5 2 (4.35%) Unix
6 1 (2.17%) AIX
Processes & Methodologies
1 23 (50.00%) DevOps
2 22 (47.83%) Problem-Solving
3 18 (39.13%) Agile Software Development
4 13 (28.26%) Performance Monitoring
5 12 (26.09%) Application Performance Monitoring
5 12 (26.09%) Continuous Improvement
5 12 (26.09%) Identity Access Management
5 12 (26.09%) Open Source
5 12 (26.09%) Penetration Testing
5 12 (26.09%) Secure Coding
5 12 (26.09%) Security Architecture
5 12 (26.09%) Security Operations
5 12 (26.09%) SIEM
5 12 (26.09%) Threat Modelling
5 12 (26.09%) Vulnerability Management
6 7 (15.22%) Project Management
6 7 (15.22%) Server Building
6 7 (15.22%) Software Engineering
6 7 (15.22%) Task Automation
7 6 (13.04%) OO
Programming Languages
1 43 (93.48%) Python
2 22 (47.83%) Ruby
3 21 (45.65%) Bash Shell
4 16 (34.78%) PHP
5 15 (32.61%) PowerShell
5 15 (32.61%) VBScript
6 12 (26.09%) Go
7 6 (13.04%) C
7 6 (13.04%) C++
8 5 (10.87%) Java
9 3 (6.52%) SQL
10 1 (2.17%) AWK
10 1 (2.17%) JavaScript
10 1 (2.17%) PL/SQL
Qualifications
1 12 (26.09%) CEH
1 12 (26.09%) CISA
1 12 (26.09%) CISM
1 12 (26.09%) CISSP
1 12 (26.09%) CompTIA Security+
1 12 (26.09%) CSSLP
1 12 (26.09%) GIAC
1 12 (26.09%) SANS
1 12 (26.09%) SSCP
2 7 (15.22%) AWS Certification
2 7 (15.22%) Microsoft Certification
3 1 (2.17%) ISTQB
3 1 (2.17%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 1 (2.17%) QA
System Software
1 6 (13.04%) Hyper-V
1 6 (13.04%) KVM
1 6 (13.04%) VirtualBox
2 4 (8.70%) Docker
Systems Management
1 12 (26.09%) Nessus
1 12 (26.09%) Nmap
2 8 (17.39%) Puppet
3 5 (10.87%) HAProxy
3 5 (10.87%) Opscode Chef
4 4 (8.70%) Ansible
4 4 (8.70%) Terraform
5 1 (2.17%) Grafana
5 1 (2.17%) Kibana
5 1 (2.17%) logstash
5 1 (2.17%) Oracle Identity Management
Vendors
1 12 (26.09%) Netsparker
1 12 (26.09%) Qualys
2 9 (19.57%) Google
3 7 (15.22%) Microsoft
4 6 (13.04%) New Relic
5 5 (10.87%) SolarWinds
6 4 (8.70%) Percona
7 2 (4.35%) Oracle
8 1 (2.17%) AppDynamics
8 1 (2.17%) Atlassian
8 1 (2.17%) Dynatrace
8 1 (2.17%) hybris
8 1 (2.17%) IBM
8 1 (2.17%) Intershop
8 1 (2.17%) Splunk