Period
to 21 September 2019

The following table provides summary statistics for permanent job vacancies advertised in Hertfordshire with a requirement for Internet skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Internet over the 6 months to 21 September 2019 with a comparison to the same period in the previous 2 years.

Internet
East of England > Hertfordshire
6 months to
21 Sep 2019
Same period 2018 Same period 2017
Rank 99 118 156
Rank change year-on-year +19 +38 -3
Permanent jobs citing Internet 54 87 61
As % of all permanent IT jobs advertised in Hertfordshire 2.12% 2.11% 1.48%
As % of the Communications & Networking category 8.40% 11.01% 7.93%
Number of salaries quoted 42 53 49
Hertfordshire median annual salary £57,500 £55,000 £45,000
Median salary % change year-on-year +4.55% +22.22% -
10th Percentile £32,550 £32,500 £21,750
90th Percentile £90,250 £78,500 £58,000
East of England median annual salary £55,000 £50,000 £42,500
% change year-on-year +10.00% +17.65% -10.53%

Internet is in the Communications and Computer Networking 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 communications or computer networking skills.

All Communications and Computer Networking Skills
Hertfordshire
Permanent vacancies with a requirement for communications or computer networking skills 643 790 769
As % of all permanent IT jobs advertised in Hertfordshire 25.29% 19.13% 18.68%
Number of salaries quoted 461 583 641
Hertfordshire median annual salary £45,000 £50,000 £45,000
Median salary % change year-on-year -10.00% +11.11% -
10th Percentile £25,000 £26,750 £25,000
90th Percentile £67,500 £71,250 £66,250
East of England median annual salary £45,000 £45,000 £45,000

Internet
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for Internet in Hertfordshire

Internet
Salary Trend in Hertfordshire

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

Salary trend for Internet in Hertfordshire

Internet
Salary Histogram in Hertfordshire

The salary distribution of IT jobs citing Internet in Hertfordshire over the 6 months to 21 September 2019.

Salary histogram for Internet in Hertfordshire

Internet
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Internet within the Hertfordshire region over the 6 months to 21 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Welwyn Garden City +31 9 £65,000 - 1
Watford 0 9 £82,500 +6.45% 1
Borehamwood - 8 £60,000 -
Hertford - 7 £57,500 - 1
Hatfield +27 2 £33,000 -41.33% 3
Stevenage +13 2 £24,000 -54.72% 2
Letchworth - 1 £35,000 -
Internet
East of England

For the 6 months to 21 September 2019, IT jobs citing Internet 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 Internet.

1 17 (31.48%) Java
1 17 (31.48%) TCP/IP
2 15 (27.78%) Python
3 14 (25.93%) Linux
3 14 (25.93%) DNS
4 13 (24.07%) Cisco Certification
4 13 (24.07%) CCNP
4 13 (24.07%) Retail
4 13 (24.07%) Degree
5 12 (22.22%) VPN
5 12 (22.22%) SQL
6 11 (20.37%) Apache
6 11 (20.37%) Firewall
6 11 (20.37%) Mobile App
6 11 (20.37%) Analytical Skills
7 10 (18.52%) React
7 10 (18.52%) Azure
7 10 (18.52%) AWS
7 10 (18.52%) Wi-Fi
7 10 (18.52%) Wireless
7 10 (18.52%) WAN
7 10 (18.52%) MySQL
7 10 (18.52%) ITIL
8 9 (16.67%) Oracle
8 9 (16.67%) CCIE
8 9 (16.67%) Network Design
8 9 (16.67%) Agile Software Development
8 9 (16.67%) VMware
8 9 (16.67%) Computer Science Degree
9 8 (14.81%) Test Automation

Internet
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 11 (20.37%) Apache
2 7 (12.96%) Oracle Workflow
3 5 (9.26%) OpenStack
4 3 (5.56%) nginx
4 3 (5.56%) Tomcat
5 2 (3.70%) MS Exchange
6 1 (1.85%) Blackberry Enterprise Server
6 1 (1.85%) Confluence
6 1 (1.85%) Exchange Server 2010
6 1 (1.85%) GlassFish
6 1 (1.85%) JBoss
6 1 (1.85%) MQSeries
6 1 (1.85%) Oracle SOA Suite
6 1 (1.85%) WebLogic
6 1 (1.85%) WebSphere
Applications
1 3 (5.56%) Microsoft Office
2 1 (1.85%) Microsoft Excel
2 1 (1.85%) Microsoft PowerPoint
2 1 (1.85%) MS Visio
Business Applications
1 1 (1.85%) Oracle EBS R12
Cloud Services
1 10 (18.52%) AWS
1 10 (18.52%) Azure
2 5 (9.26%) GCP
2 5 (9.26%) GitHub
2 5 (9.26%) SaaS
3 3 (5.56%) AWS CodePipeline
3 3 (5.56%) Office 365
4 1 (1.85%) Akamai
4 1 (1.85%) AWS CloudFormation
4 1 (1.85%) Azure Active Directory
4 1 (1.85%) IaaS
4 1 (1.85%) PaaS
4 1 (1.85%) Runscope
Communications & Networking
1 17 (31.48%) TCP/IP
2 14 (25.93%) DNS
3 12 (22.22%) VPN
4 11 (20.37%) Firewall
5 10 (18.52%) WAN
5 10 (18.52%) Wi-Fi
5 10 (18.52%) Wireless
6 7 (12.96%) LAN
7 6 (11.11%) MPLS
8 5 (9.26%) BGP
8 5 (9.26%) EIGRP
8 5 (9.26%) Multicast
8 5 (9.26%) OSPF
8 5 (9.26%) Reverse Proxy
8 5 (9.26%) SMTP
8 5 (9.26%) VLAN
9 4 (7.41%) HSRP
10 3 (5.56%) DHCP
10 3 (5.56%) HTTP
10 3 (5.56%) Network Security
Database & Business Intelligence
1 10 (18.52%) MySQL
2 4 (7.41%) SQL Server
3 3 (5.56%) Big Data
3 3 (5.56%) BigQuery
3 3 (5.56%) PostgreSQL
3 3 (5.56%) Relational Database
4 1 (1.85%) Couchbase
4 1 (1.85%) Data Warehouse
4 1 (1.85%) MS Access
4 1 (1.85%) SQL Server 2016
Development Applications
1 8 (14.81%) Jenkins
2 7 (12.96%) Ant
2 7 (12.96%) Eclipse
2 7 (12.96%) Gradle
2 7 (12.96%) Maven
3 5 (9.26%) JIRA
4 1 (1.85%) Cucumber
4 1 (1.85%) Git (software)
4 1 (1.85%) Spock
General
1 13 (24.07%) Retail
2 8 (14.81%) Finance
3 5 (9.26%) Telecoms
4 3 (5.56%) Games
4 3 (5.56%) Manufacturing
4 3 (5.56%) Military
5 2 (3.70%) Electronics
5 2 (3.70%) Legal
6 1 (1.85%) Billing
6 1 (1.85%) Marketing
Job Titles
1 14 (25.93%) Developer
2 11 (20.37%) Senior Developer
3 9 (16.67%) Network Engineer
4 8 (14.81%) Java Developer
4 8 (14.81%) Senior Java Developer
5 7 (12.96%) Architect
6 5 (9.26%) Infrastructure Architect
6 5 (9.26%) Infrastructure Specialist
7 4 (7.41%) Infrastructure Solutions Architect
7 4 (7.41%) Security Engineer
7 4 (7.41%) Solutions Architect
8 3 (5.56%) DBA
8 3 (5.56%) Linux Specialist
8 3 (5.56%) Network Specialist
8 3 (5.56%) Software Developer
8 3 (5.56%) SQL DBA
8 3 (5.56%) SQL Server DBA
9 2 (3.70%) Analyst
9 2 (3.70%) Cisco Engineer
9 2 (3.70%) Test Engineer
Libraries, Frameworks & Software Standards
1 10 (18.52%) React
2 8 (14.81%) LAMP
2 8 (14.81%) XML
3 7 (12.96%) Hibernate
3 7 (12.96%) J2EE
3 7 (12.96%) JDBC
3 7 (12.96%) JSP
3 7 (12.96%) Servlets
3 7 (12.96%) Spring
3 7 (12.96%) Struts
3 7 (12.96%) XML Schema
3 7 (12.96%) XSLT
4 5 (9.26%) Middleware
4 5 (9.26%) Web Services
5 3 (5.56%) AngularJS
5 3 (5.56%) jQuery
5 3 (5.56%) Laravel
5 3 (5.56%) LEMP Stack
6 1 (1.85%) 802.1X
6 1 (1.85%) Vert.x
Miscellaneous
1 11 (20.37%) Analytical Skills
1 11 (20.37%) Mobile App
2 5 (9.26%) Hybrid Cloud
2 5 (9.26%) Replication
3 4 (7.41%) Self-Motivation
4 3 (5.56%) Data Centre
4 3 (5.56%) Management Information System
5 2 (3.70%) Internet of Things
5 2 (3.70%) iPhone
6 1 (1.85%) CCTV
6 1 (1.85%) Client/Server
6 1 (1.85%) Linux Command Line
6 1 (1.85%) Microsoft Licensing
6 1 (1.85%) Public Cloud
6 1 (1.85%) Smart City
6 1 (1.85%) Smartphone
Operating Systems
1 14 (25.93%) Linux
2 8 (14.81%) Android
2 8 (14.81%) Apple iOS
3 6 (11.11%) Windows
4 5 (9.26%) Red Hat Enterprise Linux
5 3 (5.56%) Windows 10
6 2 (3.70%) Mac OS X
6 2 (3.70%) Unix
6 2 (3.70%) Windows 7
6 2 (3.70%) Windows Server
7 1 (1.85%) Windows Server 2008
Processes & Methodologies
1 10 (18.52%) ITIL
2 9 (16.67%) Agile Software Development
2 9 (16.67%) Network Design
3 8 (14.81%) DevOps
3 8 (14.81%) ERP
3 8 (14.81%) Test Automation
4 7 (12.96%) Android Development
4 7 (12.96%) Capacity Planning
4 7 (12.96%) CRM
4 7 (12.96%) iOS Development
4 7 (12.96%) Mentoring
4 7 (12.96%) Mobile Application Development
4 7 (12.96%) Multithreaded Programming
4 7 (12.96%) Multithreading
4 7 (12.96%) Web Development
4 7 (12.96%) Workflow
5 6 (11.11%) B2B
5 6 (11.11%) Coaching
6 5 (9.26%) ITIL V3
6 5 (9.26%) Problem-Solving
Programming Languages
1 17 (31.48%) Java
2 15 (27.78%) Python
3 12 (22.22%) SQL
4 7 (12.96%) JavaScript
5 6 (11.11%) Bash Shell
6 5 (9.26%) Go
6 5 (9.26%) Perl
7 4 (7.41%) PHP
8 3 (5.56%) C#
8 3 (5.56%) C++
8 3 (5.56%) Clojure
8 3 (5.56%) Erlang
8 3 (5.56%) F#
8 3 (5.56%) Haskell
8 3 (5.56%) Kotlin
8 3 (5.56%) OCaml
8 3 (5.56%) Rust
8 3 (5.56%) Scala
8 3 (5.56%) VB
9 2 (3.70%) PowerShell
Qualifications
1 13 (24.07%) CCNP
1 13 (24.07%) Cisco Certification
1 13 (24.07%) Degree
2 9 (16.67%) CCIE
2 9 (16.67%) Computer Science Degree
3 6 (11.11%) CCDP
4 5 (9.26%) RHCE
5 3 (5.56%) CWNE
5 3 (5.56%) JNCIE
5 3 (5.56%) JNCIP
6 2 (3.70%) LPIC
6 2 (3.70%) Microsoft Certification
7 1 (1.85%) A+ Certification
7 1 (1.85%) GCIA
7 1 (1.85%) GCIH
7 1 (1.85%) GSEC
7 1 (1.85%) ISTQB
7 1 (1.85%) MCITP
7 1 (1.85%) MCTS
7 1 (1.85%) SSCP
Quality Assurance & Compliance
1 3 (5.56%) QA
1 3 (5.56%) SLA
2 1 (1.85%) Actionable Recommendations
System Software
1 8 (14.81%) VMware Infrastructure
2 5 (9.26%) iptables
2 5 (9.26%) NFS
2 5 (9.26%) Postfix
2 5 (9.26%) Samba
2 5 (9.26%) VMware Server
3 4 (7.41%) Active Directory
4 2 (3.70%) Hyper-V
4 2 (3.70%) vSphere
5 1 (1.85%) Docker
5 1 (1.85%) VMware ESXi
5 1 (1.85%) VMware NSX
Systems Management
1 7 (12.96%) Puppet
2 5 (9.26%) Munin
2 5 (9.26%) Nagios
3 4 (7.41%) Kubernetes
3 4 (7.41%) Terraform
4 3 (5.56%) SCCM
5 2 (3.70%) Nessus
5 2 (3.70%) Opscode Chef
5 2 (3.70%) WSUS
6 1 (1.85%) NSN NetAct
6 1 (1.85%) SCOM
6 1 (1.85%) SCOrch
6 1 (1.85%) Single Sign-On
6 1 (1.85%) vCenter Server
6 1 (1.85%) vRealize
Vendors
1 9 (16.67%) Oracle
1 9 (16.67%) VMware
2 6 (11.11%) Cisco
3 5 (9.26%) Clearswift
3 5 (9.26%) Microsoft
4 4 (7.41%) Juniper
5 3 (5.56%) Aruba
6 2 (3.70%) Google
6 2 (3.70%) HP
6 2 (3.70%) Meraki
6 2 (3.70%) Red Hat
6 2 (3.70%) Splunk
7 1 (1.85%) Apple
7 1 (1.85%) CheckPoint
7 1 (1.85%) Citrix
7 1 (1.85%) Ericsson
7 1 (1.85%) IBM
7 1 (1.85%) JD Edwards
7 1 (1.85%) Nokia
7 1 (1.85%) SAP