Period
to 21 September 2021

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for IPv4 skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited IPv4 over the 6 months to 21 September 2021 with a comparison to the same period in the previous 2 years.

Internet Protocol version 4 (IPv4)
England > London
6 months to
21 Sep 2021
Same period 2020 Same period 2019
Rank 680 473 713
Rank change year-on-year -207 +240 +96
Permanent jobs citing IPv4 34 19 27
As % of all permanent jobs advertised in London 0.069% 0.093% 0.049%
As % of the Communications & Networking category 0.60% 0.68% 0.38%
Number of salaries quoted 33 10 27
10th Percentile £54,500 £49,500 £31,250
25th Percentile £60,000 £54,063 £41,250
Median annual salary (50th Percentile) £67,500 £72,500 £50,000
Median % change year-on-year -6.90% +45.00% -16.67%
75th Percentile £85,000 £90,938 £53,750
90th Percentile " £97,500 £59,550
England median annual salary £62,500 £50,000 £47,500
% change year-on-year +25.00% +5.26% +1.06%

IPv4 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 London with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
London
Permanent vacancies with a requirement for communications or computer networking skills 5,684 2,793 7,128
As % of all permanent IT jobs advertised in London 11.58% 13.71% 12.84%
Number of salaries quoted 3,701 2,314 5,850
10th Percentile £33,000 £36,250 £28,750
25th Percentile £46,250 £47,500 £37,500
Median annual salary (50th Percentile) £62,500 £65,000 £55,000
Median % change year-on-year -3.85% +18.18% -
75th Percentile £80,000 £80,000 £75,000
90th Percentile £95,000 £95,000 £87,500
England median annual salary £50,000 £52,500 £46,000
% change year-on-year -4.76% +14.13% -3.16%

IPv4
Job Vacancy Trend in London

Job postings citing IPv4 as a proportion of all IT jobs advertised in London.

Job vacancy trend for IPv4 in London

IPv4
Salary Trend in London

3-month moving average salary quoted in jobs citing IPv4 in London.

Salary trend for IPv4 in London

IPv4
Salary Histogram in London

Salary distribution for jobs citing IPv4 in London over the 6 months to 21 September 2021.

Salary histogram for IPv4 in London

IPv4
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing IPv4 within the London region over the 6 months to 21 September 2021. 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
East London - 9 £75,000 - 1
Central London -51 6 £60,000 +20.00% 1
West London - 2 £67,500 - 1
South London - 1 £42,500 -
IPv4
England

For the 6 months to 21 September 2021, IT jobs citing IPv4 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 London region with a requirement for IPv4.

1 25 (73.53%) Python
2 23 (67.65%) Azure
3 20 (58.82%) SQL
3 20 (58.82%) IPv6
4 19 (55.88%) Linux
5 18 (52.94%) Java
5 18 (52.94%) JavaScript
5 18 (52.94%) Agile Software Development
5 18 (52.94%) Jenkins
5 18 (52.94%) DevOps
5 18 (52.94%) Docker
6 17 (50.00%) Microservices
6 17 (50.00%) Kubernetes
6 17 (50.00%) GitHub
6 17 (50.00%) NoSQL
6 17 (50.00%) Node.js
6 17 (50.00%) Scrum
7 16 (47.06%) LAN
7 16 (47.06%) TCP/IP
7 16 (47.06%) Firewall
8 15 (44.12%) SNMP
8 15 (44.12%) DNS
8 15 (44.12%) DHCP
8 15 (44.12%) Unix
8 15 (44.12%) Ansible
9 13 (38.24%) Windows
10 12 (35.29%) Oracle
11 11 (32.35%) WAN
11 11 (32.35%) Microsoft
11 11 (32.35%) AWS

IPv4
Co-occurring IT Skills in London 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 9 (26.47%) Oracle SOA Suite
2 8 (23.53%) Apache Spark
3 1 (2.94%) Apache
3 1 (2.94%) WordPress
Cloud Services
1 23 (67.65%) Azure
2 17 (50.00%) GitHub
3 11 (32.35%) AWS
3 11 (32.35%) GCP
4 10 (29.41%) SaaS
5 9 (26.47%) Amazon EKS
5 9 (26.47%) AWS CloudFormation
5 9 (26.47%) AWS CodeCommit
5 9 (26.47%) AWS CodePipeline
5 9 (26.47%) Azure Pipelines
5 9 (26.47%) IaaS
5 9 (26.47%) OpenShift
5 9 (26.47%) PaaS
6 8 (23.53%) GitHub Actions
7 2 (5.88%) Azure ExpressRoute
7 2 (5.88%) Azure Sentinel
7 2 (5.88%) Microsoft 365
Communications & Networking
1 20 (58.82%) IPv6
2 16 (47.06%) Firewall
2 16 (47.06%) LAN
2 16 (47.06%) TCP/IP
3 15 (44.12%) DHCP
3 15 (44.12%) DNS
3 15 (44.12%) SNMP
4 11 (32.35%) WAN
5 9 (26.47%) HTTPS
5 9 (26.47%) SMTP
6 8 (23.53%) SSH
7 7 (20.59%) Radio Access Network
8 6 (17.65%) tcpdump
8 6 (17.65%) Wireshark
9 5 (14.71%) BGP
9 5 (14.71%) Network Security
9 5 (14.71%) OSPF
10 4 (11.76%) MPLS
11 3 (8.82%) VPN
11 3 (8.82%) Wireless
Database & Business Intelligence
1 17 (50.00%) NoSQL
2 10 (29.41%) MySQL
2 10 (29.41%) PostgreSQL
3 9 (26.47%) MongoDB
4 8 (23.53%) Data Warehouse
5 2 (5.88%) SQL Server
6 1 (2.94%) MariaDB
Development Applications
1 18 (52.94%) Jenkins
2 10 (29.41%) Git (software)
3 9 (26.47%) GitLab
3 9 (26.47%) Vagrant
General
1 9 (26.47%) Social Skills
2 8 (23.53%) Retail
3 6 (17.65%) Banking
4 3 (8.82%) Inclusion and Diversity
4 3 (8.82%) Marketing
5 1 (2.94%) Law
5 1 (2.94%) Telecoms
Job Titles
1 11 (32.35%) Azure Engineer
2 8 (23.53%) Azure Software Engineer
2 8 (23.53%) Data Engineer
2 8 (23.53%) Lead Software Engineer
2 8 (23.53%) Python Engineer
2 8 (23.53%) Python Software Engineer
2 8 (23.53%) Software Engineer
3 7 (20.59%) Network Engineer
4 6 (17.65%) DevOps Manager
5 4 (11.76%) DevOps Engineer
6 3 (8.82%) Azure DevOps
6 3 (8.82%) Azure DevOps Engineer
6 3 (8.82%) Consultant
7 2 (5.88%) Delivery Manager
7 2 (5.88%) Developer
7 2 (5.88%) Infrastructure Delivery Manager
7 2 (5.88%) Infrastructure Manager
7 2 (5.88%) Network Delivery Manager
7 2 (5.88%) Network Infrastructure Manager
7 2 (5.88%) Network Manager
Libraries, Frameworks & Software Standards
1 17 (50.00%) Node.js
2 9 (26.47%) .NET
2 9 (26.47%) .NET Core
2 9 (26.47%) AngularJS
2 9 (26.47%) ASP.NET
2 9 (26.47%) Django
2 9 (26.47%) Express
2 9 (26.47%) MEAN Stack
2 9 (26.47%) Ruby on Rails
3 8 (23.53%) GraphQL
3 8 (23.53%) Kafka
3 8 (23.53%) React
4 2 (5.88%) Regular Expression
5 1 (2.94%) 802.1X
5 1 (2.94%) LAMP
5 1 (2.94%) LAPP Stack
Miscellaneous
1 11 (32.35%) Data Centre
2 9 (26.47%) Public Cloud
3 6 (17.65%) Linux Command Line
4 5 (14.71%) Virtual Team
5 2 (5.88%) Cyber Kill Chain
5 2 (5.88%) Replication
6 1 (2.94%) Clustering
6 1 (2.94%) RSA SecurID
6 1 (2.94%) User Experience
Operating Systems
1 19 (55.88%) Linux
2 15 (44.12%) Unix
3 13 (38.24%) Windows
4 2 (5.88%) CentOS
4 2 (5.88%) Windows Server
5 1 (2.94%) Debian
5 1 (2.94%) Fedora
5 1 (2.94%) FreeBSD
5 1 (2.94%) Oracle Linux
5 1 (2.94%) Red Hat Enterprise Linux
5 1 (2.94%) Solaris
Processes & Methodologies
1 18 (52.94%) Agile Software Development
1 18 (52.94%) DevOps
2 17 (50.00%) Microservices
2 17 (50.00%) Scrum
3 10 (29.41%) ITIL
4 9 (26.47%) MVC
4 9 (26.47%) PRINCE2
4 9 (26.47%) SOA
4 9 (26.47%) TOGAF
4 9 (26.47%) Waterfall
5 8 (23.53%) A/B Testing
5 8 (23.53%) Dashboard Development
5 8 (23.53%) Data Architecture
5 8 (23.53%) Domain-Driven Design
5 8 (23.53%) Event-Driven Architecture
5 8 (23.53%) Kanban
5 8 (23.53%) Machine Learning
5 8 (23.53%) Multichannel Retail
5 8 (23.53%) Single Customer View
5 8 (23.53%) Software Engineering
Programming Languages
1 25 (73.53%) Python
2 20 (58.82%) SQL
3 18 (52.94%) Java
3 18 (52.94%) JavaScript
4 10 (29.41%) C
4 10 (29.41%) Perl
4 10 (29.41%) PHP
4 10 (29.41%) PowerShell
5 9 (26.47%) Bash Shell
5 9 (26.47%) C#
5 9 (26.47%) C++
5 9 (26.47%) Ruby
5 9 (26.47%) VB
5 9 (26.47%) VB.NET
6 8 (23.53%) TypeScript
7 1 (2.94%) Shell Script
Qualifications
1 10 (29.41%) Cisco Certification
2 9 (26.47%) CCNP
3 3 (8.82%) Degree
4 1 (2.94%) Chartered Engineer
4 1 (2.94%) SC Cleared
4 1 (2.94%) Security Cleared
Quality Assurance & Compliance
1 8 (23.53%) Data Quality
System Software
1 18 (52.94%) Docker
2 6 (17.65%) Virtual Servers
3 2 (5.88%) Active Directory
4 1 (2.94%) FreeRADIUS
4 1 (2.94%) Virtual Machines
Systems Management
1 17 (50.00%) Kubernetes
2 15 (44.12%) Ansible
3 10 (29.41%) Puppet
3 10 (29.41%) SCCM
4 9 (26.47%) Opscode Chef
4 9 (26.47%) Terraform
5 6 (17.65%) Nmap
5 6 (17.65%) OpenNMS
6 2 (5.88%) QRadar
7 1 (2.94%) HAProxy
7 1 (2.94%) Icinga
7 1 (2.94%) SCOM
Vendors
1 12 (35.29%) Oracle
2 11 (32.35%) Microsoft
3 9 (26.47%) Alibaba
3 9 (26.47%) Cisco
3 9 (26.47%) IBM
4 8 (23.53%) Adobe
4 8 (23.53%) Monetate
4 8 (23.53%) New Relic
5 3 (8.82%) Fortinet
6 2 (5.88%) ArcSight
6 2 (5.88%) FireEye
6 2 (5.88%) Google
6 2 (5.88%) LogRhythm
6 2 (5.88%) Splunk
6 2 (5.88%) Tanium
6 2 (5.88%) Zscaler
7 1 (2.94%) BT
7 1 (2.94%) Juniper
7 1 (2.94%) Nokia
7 1 (2.94%) Red Hat