Period
to 18 October 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 18 October 2018 with a comparison to the same period in the previous 2 years.

Perl
East of England > Hertfordshire
6 months to
18 Oct 2018
Same period 2017 Same period 2016
Rank 164 179 125
Rank change year-on-year +15 -54 -1
Permanent jobs citing Perl 41 37 99
As % of all permanent IT jobs advertised in Hertfordshire 1.02% 0.88% 2.24%
As % of the Programming Languages category 2.01% 1.65% 4.85%
Number of salaries quoted 16 37 92
Hertfordshire median annual salary £57,500 £39,000 £47,500
Median salary % change year-on-year +47.44% -17.89% +11.76%
10th Percentile £47,250 £22,750 £42,250
90th Percentile £70,000 £61,250 £67,000
East of England median annual salary £44,000 £46,902 £47,500
% change year-on-year -6.19% -1.26% +5.56%

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 2,037 2,239 2,040
As % of all permanent IT jobs advertised in Hertfordshire 50.47% 53.15% 46.09%
Number of salaries quoted 1,721 1,953 1,746
Hertfordshire median annual salary £50,000 £47,500 £47,500
Median salary % change year-on-year +5.26% - +5.56%
10th Percentile £31,250 £31,250 £29,250
90th Percentile £72,500 £67,500 £68,750
East of England median annual salary £47,500 £45,000 £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 18 October 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 18 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Hatfield +13 14 £60,000 +4.35%
Welwyn Garden City - 12 - -
Watford -2 3 - -
Borehamwood +10 2 £49,500 -1.00%
St Albans -5 2 £53,750 +37.82%
Waltham Cross - 2 £55,000 - 3
Hemel Hempstead - 2 £50,500 -
Perl
East of England

For the 6 months to 18 October 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 38 (92.68%) Python
2 32 (78.05%) Linux
3 28 (68.29%) Amazon AWS
4 23 (56.10%) Ruby
5 22 (53.66%) DevOps
6 19 (46.34%) Bash Shell
7 18 (43.90%) Problem-Solving
8 17 (41.46%) Agile Software Development
9 15 (36.59%) PHP
10 13 (31.71%) DHCP
10 13 (31.71%) TCP/IP
10 13 (31.71%) CISSP
10 13 (31.71%) SSCP
10 13 (31.71%) Nessus
10 13 (31.71%) CEH
10 13 (31.71%) Nmap
10 13 (31.71%) Penetration Testing
10 13 (31.71%) CISA
10 13 (31.71%) CISM
10 13 (31.71%) GIAC
10 13 (31.71%) Qualys
10 13 (31.71%) Metasploit
10 13 (31.71%) CompTIA Security+
10 13 (31.71%) CSSLP
10 13 (31.71%) Open Source
10 13 (31.71%) Go
10 13 (31.71%) Performance Monitoring
10 13 (31.71%) Kali Linux
10 13 (31.71%) Netsparker
10 13 (31.71%) Threat Modelling

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 10 (24.39%) Elasticsearch
2 5 (12.20%) nginx
3 4 (9.76%) Confluence
4 2 (4.88%) Apache
4 2 (4.88%) JBoss
4 2 (4.88%) Tomcat
4 2 (4.88%) WebSphere
4 2 (4.88%) WebSphere Application Server
5 1 (2.44%) Adobe Experience Manager
5 1 (2.44%) Apache Solr
5 1 (2.44%) CMS
5 1 (2.44%) ColdFusion
5 1 (2.44%) MQSeries
5 1 (2.44%) OpenStack
5 1 (2.44%) WildFly
Business Applications
1 2 (4.88%) Magento
Cloud Services
1 28 (68.29%) Amazon AWS
2 9 (21.95%) Google Cloud Platform
3 6 (14.63%) Amazon EC2
3 6 (14.63%) Amazon S3
3 6 (14.63%) Virtual Private Cloud
4 5 (12.20%) Amazon CloudWatch
4 5 (12.20%) Amazon Glacier
4 5 (12.20%) Amazon SQS
4 5 (12.20%) AWS CloudFormation
4 5 (12.20%) AWS CloudTrail
4 5 (12.20%) Cloud Computing
4 5 (12.20%) Stackdriver
Communications & Networking
1 13 (31.71%) DHCP
1 13 (31.71%) TCP/IP
2 11 (26.83%) DNS
3 5 (12.20%) Firewall
3 5 (12.20%) VPN
4 3 (7.32%) Internet
5 2 (4.88%) HTTP
5 2 (4.88%) IGMP
5 2 (4.88%) PBX
5 2 (4.88%) RTCP
5 2 (4.88%) RTP
5 2 (4.88%) SNMP
5 2 (4.88%) VLAN
5 2 (4.88%) VoIP
5 2 (4.88%) Wireshark
6 1 (2.44%) Wi-Fi
Database & Business Intelligence
1 6 (14.63%) Amazon RDS
2 4 (9.76%) MongoDB
3 2 (4.88%) DB2
4 1 (2.44%) Big Data
4 1 (2.44%) DbVisualizer
4 1 (2.44%) Jackrabbit
4 1 (2.44%) RDBMS
4 1 (2.44%) Relational Database
Development Applications
1 13 (31.71%) Metasploit
2 7 (17.07%) Visual Studio
3 6 (14.63%) Git (software)
4 5 (12.20%) Jenkins
5 4 (9.76%) JIRA
6 3 (7.32%) Mercurial
6 3 (7.32%) Subversion
7 2 (4.88%) Ant
7 2 (4.88%) GDB
7 2 (4.88%) Team Foundation Server
7 2 (4.88%) Valgrind
8 1 (2.44%) Eclipse
8 1 (2.44%) Firebug
8 1 (2.44%) JMeter
8 1 (2.44%) JUnit
8 1 (2.44%) LoadRunner
8 1 (2.44%) Log4j
8 1 (2.44%) Mockito
8 1 (2.44%) The Grinder
8 1 (2.44%) WebSphere Studio Application Developer
General
1 5 (12.20%) Advertising
2 2 (4.88%) Telecoms
Job Titles
1 13 (31.71%) Security Engineer
2 12 (29.27%) Vulnerability Management Engineer
3 11 (26.83%) AWS Specialist
4 9 (21.95%) DevOps Engineer
5 6 (14.63%) Infrastructure Specialist
5 6 (14.63%) Linux Engineer
6 4 (9.76%) Linux DevOps Engineer
6 4 (9.76%) Linux/Unix DevOps
7 3 (7.32%) AWS DevOps
7 3 (7.32%) AWS DevOps Engineer
7 3 (7.32%) AWS Engineer
7 3 (7.32%) Cloud Engineer
7 3 (7.32%) Developer
7 3 (7.32%) Support Engineer
8 2 (4.88%) C Developer
8 2 (4.88%) Junior
8 2 (4.88%) Linux Support
8 2 (4.88%) Linux Support Engineer
8 2 (4.88%) Software Developer
8 2 (4.88%) VoIP Developer
Libraries, Frameworks & Software Standards
1 11 (26.83%) YAML
2 6 (14.63%) Web Services
3 5 (12.20%) ActiveMQ
4 3 (7.32%) XML
5 2 (4.88%) FreeSWITCH
6 1 (2.44%) Ajax
6 1 (2.44%) EJB
6 1 (2.44%) Elastic Stack
6 1 (2.44%) HTML
6 1 (2.44%) J2EE
6 1 (2.44%) JDBC
6 1 (2.44%) JMS
6 1 (2.44%) JSON
6 1 (2.44%) JSTL
6 1 (2.44%) Middleware
6 1 (2.44%) Node.js
6 1 (2.44%) REST
6 1 (2.44%) XHTML
6 1 (2.44%) XSD
6 1 (2.44%) XSLT
Miscellaneous
1 12 (29.27%) Security Operations Centre
2 6 (14.63%) Analytical Skills
3 2 (4.88%) NHS
3 2 (4.88%) PACS
Operating Systems
1 32 (78.05%) Linux
2 13 (31.71%) Kali Linux
3 8 (19.51%) Windows
4 3 (7.32%) Ubuntu
5 2 (4.88%) Unix
6 1 (2.44%) AIX
6 1 (2.44%) HPUX
6 1 (2.44%) Solaris
Processes & Methodologies
1 22 (53.66%) DevOps
2 18 (43.90%) Problem-Solving
3 17 (41.46%) Agile Software Development
4 13 (31.71%) Open Source
4 13 (31.71%) Penetration Testing
4 13 (31.71%) Performance Monitoring
4 13 (31.71%) Threat Modelling
5 12 (29.27%) Application Performance Monitoring
5 12 (29.27%) Continuous Improvement
5 12 (29.27%) Identity Access Management
5 12 (29.27%) Secure Coding
5 12 (29.27%) Security Architecture
5 12 (29.27%) Security Operations
5 12 (29.27%) SIEM
5 12 (29.27%) Vulnerability Management
6 7 (17.07%) Software Engineering
7 5 (12.20%) Load Balancing
7 5 (12.20%) Microservices
7 5 (12.20%) Project Management
7 5 (12.20%) Task Automation
Programming Languages
1 38 (92.68%) Python
2 23 (56.10%) Ruby
3 19 (46.34%) Bash Shell
4 15 (36.59%) PHP
5 13 (31.71%) Go
6 12 (29.27%) PowerShell
6 12 (29.27%) VBScript
7 5 (12.20%) SQL
8 3 (7.32%) Java
9 2 (4.88%) C
9 2 (4.88%) C++
10 1 (2.44%) AWK
10 1 (2.44%) JavaScript
10 1 (2.44%) PL/SQL
Qualifications
1 13 (31.71%) CEH
1 13 (31.71%) CISA
1 13 (31.71%) CISM
1 13 (31.71%) CISSP
1 13 (31.71%) CompTIA Security+
1 13 (31.71%) CSSLP
1 13 (31.71%) GIAC
1 13 (31.71%) SSCP
2 12 (29.27%) SANS
3 6 (14.63%) AWS Certification
4 5 (12.20%) Microsoft Certification
System Software
1 4 (9.76%) Docker
2 2 (4.88%) Hyper-V
2 2 (4.88%) KVM
2 2 (4.88%) VirtualBox
Systems Management
1 13 (31.71%) Nessus
1 13 (31.71%) Nmap
2 9 (21.95%) Puppet
3 6 (14.63%) Opscode Chef
4 5 (12.20%) HAProxy
5 2 (4.88%) Ansible
5 2 (4.88%) Terraform
6 1 (2.44%) Grafana
6 1 (2.44%) Kibana
6 1 (2.44%) logstash
6 1 (2.44%) Oracle Identity Management
Vendors
1 13 (31.71%) Netsparker
1 13 (31.71%) Qualys
2 9 (21.95%) Google
3 6 (14.63%) New Relic
4 5 (12.20%) Microsoft
4 5 (12.20%) SolarWinds
5 4 (9.76%) Percona
6 2 (4.88%) hybris
6 2 (4.88%) IBM
6 2 (4.88%) Oracle
7 1 (2.44%) AppDynamics
7 1 (2.44%) ATG
7 1 (2.44%) Atlassian
7 1 (2.44%) Blue Martini
7 1 (2.44%) Demandware
7 1 (2.44%) Dynatrace
7 1 (2.44%) Elastic Path
7 1 (2.44%) Intershop
7 1 (2.44%) Splunk