Period
to 15 October 2021

The following table provides summary statistics for permanent job vacancies 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 15 October 2021 with a comparison to the same period in the previous 2 years.

Internet Protocol version 4 (IPv4)
UK
6 months to
15 Oct 2021
Same period 2020 Same period 2019
Rank 873 631 975
Rank change year-on-year -242 +344 +81
Permanent jobs citing IPv4 171 61 126
As % of all permanent jobs advertised in the UK 0.14% 0.13% 0.092%
As % of the Communications & Networking category 1.06% 0.83% 0.59%
Number of salaries quoted 106 50 115
10th Percentile £33,125 £32,900 £27,700
25th Percentile £40,688 £41,563 £31,250
Median annual salary (50th Percentile) £60,000 £50,000 £43,000
Median % change year-on-year +20.00% +16.28% -7.03%
75th Percentile £85,000 £65,000 £55,000
90th Percentile " £70,250 £67,750
UK excluding London median annual salary £45,000 £45,000 £38,500
% change year-on-year - +16.88% -9.41%

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 with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
UK
Permanent vacancies with a requirement for communications or computer networking skills 16,148 7,335 21,464
As % of all permanent IT jobs advertised in the UK 12.91% 15.31% 15.60%
Number of salaries quoted 11,168 5,988 16,686
10th Percentile £27,500 £30,000 £25,750
25th Percentile £36,250 £37,500 £32,500
Median annual salary (50th Percentile) £50,000 £50,500 £45,800
Median % change year-on-year -0.99% +10.26% -3.58%
75th Percentile £68,750 £67,500 £62,500
90th Percentile £85,000 £81,250 £77,500
UK excluding London median annual salary £45,000 £45,000 £42,500
% change year-on-year - +5.88% -

IPv4
Job Vacancy Trend

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

Job vacancy trend for IPv4 in the UK

IPv4
Salary Trend

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

Salary trend for IPv4 in the UK

IPv4
Salary Histogram

Salary distribution for jobs citing IPv4 over the 6 months to 15 October 2021.

Salary histogram for IPv4 in the UK

IPv4
Top 15 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing IPv4 within the UK over the 6 months to 15 October 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
England -210 161 £61,250 +22.50% 25
UK excluding London -162 138 £45,000 - 20
North of England -92 63 £85,000 +100.00% 4
Yorkshire -76 41 £85,000 +61.90%
Work from Home -244 41 £63,750 +6.25% 3
London -224 33 £67,500 -10.00% 9
South West -75 29 £27,500 -54.17% 2
South East -163 21 £42,750 -14.50% 8
North West -90 13 - - 2
Midlands -117 11 £57,500 -4.17% 1
North East - 9 £37,500 - 2
East Midlands - 8 £65,000 -
East of England -119 6 £62,500 +38.89% 1
Scotland -88 4 £42,000 +13.51% 1
Wales - 4 £35,000 - 2

For the 6 months to 15 October 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 with a requirement for IPv4.

1 109 (63.74%) IPv6
2 88 (51.46%) VLAN
3 76 (44.44%) Linux
4 75 (43.86%) Agile Software Development
4 75 (43.86%) Azure
5 74 (43.27%) Firewall
6 72 (42.11%) DNS
7 70 (40.94%) DHCP
7 70 (40.94%) Docker
8 66 (38.60%) Social Skills
9 63 (36.84%) DevOps
9 63 (36.84%) Python
10 60 (35.09%) Microsoft
10 60 (35.09%) Wireless
11 59 (34.50%) Puppet
12 58 (33.92%) Scrum
13 57 (33.33%) ITIL
14 56 (32.75%) VMware
14 56 (32.75%) AWS
14 56 (32.75%) Git (software)
15 55 (32.16%) MPLS
15 55 (32.16%) Ansible
16 54 (31.58%) VPN
17 47 (27.49%) VMware Infrastructure
17 47 (27.49%) PowerShell
18 46 (26.90%) Bash Shell
19 44 (25.73%) Machine Learning
19 44 (25.73%) OSPF
19 44 (25.73%) Internet
19 44 (25.73%) Scaled Agile Framework

IPv4
Co-occurring IT Skills 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 35 (20.47%) Confluence
2 11 (6.43%) Oracle SOA Suite
3 10 (5.85%) Apache
3 10 (5.85%) WordPress
4 9 (5.26%) Apache Spark
5 5 (2.92%) MS Exchange
6 2 (1.17%) Tomcat
Applications
1 2 (1.17%) Microsoft Office
Cloud Services
1 75 (43.86%) Azure
2 56 (32.75%) AWS
3 28 (16.37%) GCP
4 20 (11.70%) GitHub
5 14 (8.19%) AWS CloudFormation
6 12 (7.02%) SaaS
7 11 (6.43%) Amazon EKS
7 11 (6.43%) AWS CodeCommit
7 11 (6.43%) AWS CodePipeline
7 11 (6.43%) Azure Pipelines
7 11 (6.43%) IaaS
7 11 (6.43%) OpenShift
7 11 (6.43%) PaaS
8 9 (5.26%) GitHub Actions
9 8 (4.68%) Microsoft 365
10 2 (1.17%) Azure Sentinel
11 1 (0.58%) Azure ExpressRoute
11 1 (0.58%) Power Platform
Communications & Networking
1 109 (63.74%) IPv6
2 88 (51.46%) VLAN
3 74 (43.27%) Firewall
4 72 (42.11%) DNS
5 70 (40.94%) DHCP
6 60 (35.09%) Wireless
7 55 (32.16%) MPLS
8 54 (31.58%) VPN
9 44 (25.73%) Internet
9 44 (25.73%) OSPF
10 43 (25.15%) 3GPP
11 42 (24.56%) Ethernet
12 36 (21.05%) LAN
13 27 (15.79%) WAN
14 25 (14.62%) TCP/IP
15 19 (11.11%) Wi-Fi
16 17 (9.94%) BGP
16 17 (9.94%) SNMP
17 11 (6.43%) HTTPS
17 11 (6.43%) SMTP
Database & Business Intelligence
1 21 (12.28%) PostgreSQL
2 20 (11.70%) NoSQL
3 17 (9.94%) SQL Server
4 12 (7.02%) MySQL
5 11 (6.43%) MongoDB
6 10 (5.85%) MariaDB
7 9 (5.26%) Data Warehouse
8 1 (0.58%) Power BI
Development Applications
1 56 (32.75%) Git (software)
2 35 (20.47%) JIRA
3 30 (17.54%) Jenkins
4 25 (14.62%) Subversion
5 11 (6.43%) GitLab
5 11 (6.43%) Vagrant
General
1 66 (38.60%) Social Skills
2 10 (5.85%) Retail
3 9 (5.26%) Telecoms
4 7 (4.09%) Banking
4 7 (4.09%) Public Sector
5 2 (1.17%) Analytical Skills
5 2 (1.17%) Documentation Skills
5 2 (1.17%) Inclusion and Diversity
5 2 (1.17%) Law
5 2 (1.17%) Marketing
Job Titles
1 33 (19.30%) Linux Engineer
2 31 (18.13%) Network Engineer
3 29 (16.96%) Systems Engineer
4 28 (16.37%) Architect
5 23 (13.45%) Chief Systems Engineer
6 18 (10.53%) Software Architect
6 18 (10.53%) Systems Architect
6 18 (10.53%) UML Architect
7 16 (9.36%) DevOps Engineer
8 14 (8.19%) Azure Engineer
9 13 (7.60%) Linux DevOps Engineer
9 13 (7.60%) Linux/Unix DevOps
10 10 (5.85%) Cloud Architect
10 10 (5.85%) Cloud Solutions Architect
10 10 (5.85%) Consultant
10 10 (5.85%) IT Engineer
10 10 (5.85%) Linux Scripter
10 10 (5.85%) Principal Architect
10 10 (5.85%) Principal Solutions Architect
10 10 (5.85%) Solutions Architect
Libraries, Frameworks & Software Standards
1 42 (24.56%) 802.1X
1 42 (24.56%) RESTful
2 35 (20.47%) Web Services
3 20 (11.70%) Node.js
4 12 (7.02%) LAMP
5 11 (6.43%) .NET
5 11 (6.43%) .NET Core
5 11 (6.43%) AngularJS
5 11 (6.43%) ASP.NET
5 11 (6.43%) Django
5 11 (6.43%) Express
5 11 (6.43%) MEAN Stack
5 11 (6.43%) Ruby on Rails
6 10 (5.85%) LAPP Stack
7 9 (5.26%) GraphQL
7 9 (5.26%) Kafka
7 9 (5.26%) React
8 2 (1.17%) Regular Expression
9 1 (0.58%) JSON
9 1 (0.58%) OAuth
Miscellaneous
1 36 (21.05%) Public Cloud
2 30 (17.54%) Data Centre
3 15 (8.77%) Hybrid Cloud
4 6 (3.51%) Linux Command Line
4 6 (3.51%) Virtual Team
5 4 (2.34%) PKI
6 3 (1.75%) Clustering
6 3 (1.75%) Private Cloud
7 2 (1.17%) Cyber Kill Chain
7 2 (1.17%) Enterprise Storage
7 2 (1.17%) Replication
8 1 (0.58%) Driving Licence
8 1 (0.58%) Management Information System
8 1 (0.58%) RSA SecurID
8 1 (0.58%) Self-Motivation
8 1 (0.58%) User Experience
Operating Systems
1 76 (44.44%) Linux
2 40 (23.39%) Windows
3 37 (21.64%) Unix
4 29 (16.96%) CentOS
5 23 (13.45%) Windows Server
6 17 (9.94%) Windows Server 2016
7 16 (9.36%) Ubuntu
8 10 (5.85%) Fedora
9 6 (3.51%) Debian
10 3 (1.75%) Red Hat Enterprise Linux
11 2 (1.17%) Windows Server 2019
12 1 (0.58%) FreeBSD
12 1 (0.58%) Oracle Linux
12 1 (0.58%) Solaris
Processes & Methodologies
1 75 (43.86%) Agile Software Development
2 63 (36.84%) DevOps
3 58 (33.92%) Scrum
4 57 (33.33%) ITIL
5 44 (25.73%) Machine Learning
5 44 (25.73%) Scaled Agile Framework
6 42 (24.56%) Infrastructure as Code
7 41 (23.98%) Storage Management
8 38 (22.22%) Service Management
9 35 (20.47%) Cyber Intelligence
9 35 (20.47%) Data Science
9 35 (20.47%) DevSecOps
9 35 (20.47%) SDLC
9 35 (20.47%) Site Reliability Engineering
9 35 (20.47%) Software Testing
9 35 (20.47%) Task Automation
10 30 (17.54%) Configuration Management
11 20 (11.70%) Microservices
12 18 (10.53%) Network Management
12 18 (10.53%) UML
Programming Languages
1 63 (36.84%) Python
2 47 (27.49%) PowerShell
3 46 (26.90%) Bash Shell
4 32 (18.71%) SQL
5 22 (12.87%) JavaScript
6 21 (12.28%) Java
7 12 (7.02%) C
7 12 (7.02%) Perl
7 12 (7.02%) PHP
8 11 (6.43%) C#
8 11 (6.43%) C++
8 11 (6.43%) Ruby
8 11 (6.43%) VB
8 11 (6.43%) VB.NET
9 10 (5.85%) Shell Script
10 9 (5.26%) TypeScript
Qualifications
1 20 (11.70%) Cisco Certification
2 18 (10.53%) CCNP
3 15 (8.77%) GIAC
3 15 (8.77%) RHCE
4 11 (6.43%) CCNA
4 11 (6.43%) Degree
5 10 (5.85%) AWS Certification
6 9 (5.26%) Security Cleared
7 5 (2.92%) RHCSA
7 5 (2.92%) SC Cleared
8 4 (2.34%) DV Cleared
8 4 (2.34%) ITIL Certification
9 2 (1.17%) Chartered Engineer
Quality Assurance & Compliance
1 9 (5.26%) Data Quality
2 2 (1.17%) SLA
3 1 (0.58%) GDPR
3 1 (0.58%) HIPAA
System Software
1 70 (40.94%) Docker
2 47 (27.49%) VMware Infrastructure
3 25 (14.62%) VMware ESXi
4 14 (8.19%) Active Directory
5 11 (6.43%) Virtual Servers
6 5 (2.92%) Virtual Desktop
6 5 (2.92%) vSphere
7 2 (1.17%) Hyper-V
8 1 (0.58%) FreeRADIUS
8 1 (0.58%) Snort
8 1 (0.58%) Virtual Machines
Systems Management
1 59 (34.50%) Puppet
2 55 (32.16%) Ansible
3 25 (14.62%) Kubernetes
4 24 (14.04%) Terraform
5 14 (8.19%) Opscode Chef
6 12 (7.02%) SCCM
7 10 (5.85%) HAProxy
7 10 (5.85%) Icinga
8 7 (4.09%) Nexpose
9 6 (3.51%) Nmap
9 6 (3.51%) OpenNMS
10 3 (1.75%) FortiGate
10 3 (1.75%) Nagios
10 3 (1.75%) Proxmox
10 3 (1.75%) QRadar
10 3 (1.75%) ZABBIX
11 1 (0.58%) Norton AntiVirus
11 1 (0.58%) SCOM
Vendors
1 60 (35.09%) Microsoft
2 56 (32.75%) VMware
3 35 (20.47%) Oracle
4 32 (18.71%) Cisco
5 22 (12.87%) Red Hat
6 19 (11.11%) Google
7 12 (7.02%) Citrix
8 11 (6.43%) Alibaba
8 11 (6.43%) IBM
9 9 (5.26%) Adobe
9 9 (5.26%) Dell
9 9 (5.26%) Monetate
9 9 (5.26%) New Relic
9 9 (5.26%) SolarWinds
10 7 (4.09%) Meraki
10 7 (4.09%) Qualys
11 5 (2.92%) Aruba
11 5 (2.92%) NetApp
12 4 (2.34%) Fortinet
12 4 (2.34%) Ruckus Wireless