Period
to 30 July 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 30 July 2021 with a comparison to the same period in the previous 2 years.

Internet Protocol version 4 (IPv4)
UK
6 months to
30 Jul 2021
Same period 2020 Same period 2019
Rank 794 715 1007
Rank change year-on-year -79 +292 +46
Permanent jobs citing IPv4 200 80 98
As % of all permanent jobs advertised in the UK 0.18% 0.12% 0.068%
As % of the Communications & Networking category 1.36% 0.76% 0.44%
Number of salaries quoted 85 51 92
10th Percentile £36,250 £26,250 £31,250
25th Percentile £42,000 £36,875 £35,250
Median annual salary (50th Percentile) £60,000 £50,000 £47,500
Median % change year-on-year +20.00% +5.26% +2.15%
75th Percentile £77,500 £68,750 £53,750
90th Percentile £85,000 £112,500 £57,500
UK excluding London median annual salary £45,000 £45,000 £47,500
% change year-on-year - -5.26% +17.28%

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 14,703 10,513 22,478
As % of all permanent IT jobs advertised in the UK 12.94% 15.32% 15.62%
Number of salaries quoted 10,282 8,406 17,220
10th Percentile £28,000 £28,500 £25,750
25th Percentile £36,875 £36,250 £32,750
Median annual salary (50th Percentile) £50,000 £50,000 £45,024
Median % change year-on-year - +11.05% -3.18%
75th Percentile £67,500 £66,250 £62,500
90th Percentile £82,500 £80,000 £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 30 July 2021.

Salary histogram for IPv4 in the UK

IPv4
Top 14 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 30 July 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 -50 192 £60,000 +17.07% 34
UK excluding London -27 167 £45,000 - 27
North of England -12 68 £49,000 -24.62% 5
South West -14 63 £27,500 +4.76% 7
Work from Home -225 38 £65,000 +10.64% 2
London -136 33 £71,250 +18.75% 9
Yorkshire -47 32 £85,000 +9.68% 2
North West -13 30 £42,000 -1.18% 2
South East -92 18 £44,000 +60.00% 11
Midlands - 10 £57,500 - 1
East Midlands - 7 £70,000 -
North East - 6 £49,000 - 1
East of England -46 4 £56,250 +25.00% 1
Scotland -75 4 £42,000 +23.53% 1

For the 6 months to 30 July 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.

1 114 (57.00%) Linux
1 114 (57.00%) VLAN
2 110 (55.00%) Azure
3 107 (53.50%) Agile Software Development
3 107 (53.50%) Firewall
4 102 (51.00%) AWS
4 102 (51.00%) Docker
5 99 (49.50%) Ansible
6 98 (49.00%) Puppet
7 96 (48.00%) Scrum
7 96 (48.00%) Python
8 95 (47.50%) ITIL
9 94 (47.00%) IPv6
10 93 (46.50%) Git (software)
11 92 (46.00%) Bash Shell
12 91 (45.50%) Microsoft
12 91 (45.50%) VMware
13 90 (45.00%) OSPF
13 90 (45.00%) PowerShell
14 87 (43.50%) VMware Infrastructure
15 86 (43.00%) Infrastructure as Code
16 85 (42.50%) DevOps
17 83 (41.50%) Machine Learning
18 82 (41.00%) Scaled Agile Framework
18 82 (41.00%) VPN
19 80 (40.00%) Task Automation
20 78 (39.00%) Web Services
21 77 (38.50%) Service Management
21 77 (38.50%) Confluence
21 77 (38.50%) JIRA

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 77 (38.50%) Confluence
2 11 (5.50%) Oracle SOA Suite
3 5 (2.50%) Apache
3 5 (2.50%) Apache Spark
3 5 (2.50%) WordPress
4 2 (1.00%) MS Exchange
5 1 (0.50%) Exchange Server 2013
5 1 (0.50%) SharePoint
Applications
1 1 (0.50%) Microsoft Office
Cloud Services
1 110 (55.00%) Azure
2 102 (51.00%) AWS
3 45 (22.50%) GCP
4 17 (8.50%) GitHub
5 15 (7.50%) AWS CloudFormation
6 13 (6.50%) SaaS
7 12 (6.00%) IaaS
7 12 (6.00%) PaaS
8 11 (5.50%) Amazon EKS
8 11 (5.50%) AWS CodeCommit
8 11 (5.50%) AWS CodePipeline
8 11 (5.50%) Azure Pipelines
8 11 (5.50%) OpenShift
9 9 (4.50%) Microsoft 365
10 3 (1.50%) Cloud Computing
11 2 (1.00%) Azure ExpressRoute
11 2 (1.00%) Azure Sentinel
11 2 (1.00%) Serverless
12 1 (0.50%) Azure Cosmos DB
12 1 (0.50%) Azure Key Vault
Communications & Networking
1 114 (57.00%) VLAN
2 107 (53.50%) Firewall
3 94 (47.00%) IPv6
4 90 (45.00%) OSPF
5 82 (41.00%) VPN
6 59 (29.50%) DNS
6 59 (29.50%) MPLS
7 54 (27.00%) DHCP
8 46 (23.00%) Wireless
9 39 (19.50%) Internet
10 35 (17.50%) Ethernet
11 32 (16.00%) 3GPP
12 29 (14.50%) BGP
13 27 (13.50%) TCP/IP
14 25 (12.50%) LAN
15 20 (10.00%) WAN
16 16 (8.00%) Network Security
16 16 (8.00%) Wi-Fi
17 13 (6.50%) SNMP
17 13 (6.50%) Wireshark
Database & Business Intelligence
1 16 (8.00%) NoSQL
1 16 (8.00%) PostgreSQL
2 11 (5.50%) MongoDB
2 11 (5.50%) MySQL
3 8 (4.00%) SQL Server
4 5 (2.50%) Data Warehouse
4 5 (2.50%) MariaDB
5 1 (0.50%) Power BI
Development Applications
1 93 (46.50%) Git (software)
2 77 (38.50%) JIRA
3 64 (32.00%) Subversion
4 22 (11.00%) Jenkins
5 11 (5.50%) GitLab
5 11 (5.50%) Vagrant
6 2 (1.00%) GDB
6 2 (1.00%) MSI
7 1 (0.50%) CircleCI
General
1 51 (25.50%) Social Skills
2 7 (3.50%) Banking
3 6 (3.00%) Public Sector
3 6 (3.00%) Retail
4 4 (2.00%) Marketing
5 3 (1.50%) Inclusion and Diversity
5 3 (1.50%) Law
6 2 (1.00%) Documentation Skills
7 1 (0.50%) Analytical Skills
7 1 (0.50%) Finance
7 1 (0.50%) Manufacturing
7 1 (0.50%) Telecoms
Job Titles
1 40 (20.00%) Systems Engineer
2 39 (19.50%) Linux Engineer
3 34 (17.00%) Network Engineer
4 27 (13.50%) Architect
5 25 (12.50%) Chief Systems Engineer
6 20 (10.00%) Cloud Engineer
7 17 (8.50%) Lead Cloud Engineer
8 16 (8.00%) Infrastructure Engineer
9 14 (7.00%) Cloud Architect
9 14 (7.00%) Cloud Solutions Architect
9 14 (7.00%) Principal Architect
9 14 (7.00%) Principal Solutions Architect
9 14 (7.00%) Solutions Architect
10 13 (6.50%) Lead Systems Engineer
10 13 (6.50%) Linux Systems Engineer
10 13 (6.50%) Senior Infrastructure Engineer
11 11 (5.50%) Azure Engineer
11 11 (5.50%) DevOps Engineer
12 9 (4.50%) Consultant
13 8 (4.00%) Software Architect
Libraries, Frameworks & Software Standards
1 78 (39.00%) Web Services
2 33 (16.50%) 802.1X
2 33 (16.50%) RESTful
3 16 (8.00%) Node.js
4 11 (5.50%) .NET
4 11 (5.50%) .NET Core
4 11 (5.50%) AngularJS
4 11 (5.50%) ASP.NET
4 11 (5.50%) Django
4 11 (5.50%) Express
4 11 (5.50%) MEAN Stack
4 11 (5.50%) Ruby on Rails
5 5 (2.50%) GraphQL
5 5 (2.50%) Kafka
5 5 (2.50%) LAMP
5 5 (2.50%) LAPP Stack
5 5 (2.50%) React
6 2 (1.00%) POSIX
6 2 (1.00%) Regular Expression
7 1 (0.50%) CSS
Miscellaneous
1 67 (33.50%) Public Cloud
2 31 (15.50%) Hybrid Cloud
3 26 (13.00%) Data Centre
4 6 (3.00%) Linux Command Line
4 6 (3.00%) Virtual Team
5 4 (2.00%) PKI
6 3 (1.50%) Private Cloud
7 2 (1.00%) Cyber Kill Chain
7 2 (1.00%) Self-Motivation
7 2 (1.00%) User Experience
8 1 (0.50%) Clustering
8 1 (0.50%) Driving Licence
8 1 (0.50%) Management Information System
Operating Systems
1 114 (57.00%) Linux
2 72 (36.00%) Windows
3 54 (27.00%) CentOS
4 50 (25.00%) Unix
4 50 (25.00%) Windows Server
5 49 (24.50%) Windows Server 2016
6 46 (23.00%) Ubuntu
7 5 (2.50%) Fedora
8 3 (1.50%) Debian
9 2 (1.00%) AIX
9 2 (1.00%) HPUX
9 2 (1.00%) OpenVMS
9 2 (1.00%) Solaris
9 2 (1.00%) Windows 10
9 2 (1.00%) Windows Server 2019
10 1 (0.50%) Embedded Linux
10 1 (0.50%) Windows Server 2012
Processes & Methodologies
1 107 (53.50%) Agile Software Development
2 96 (48.00%) Scrum
3 95 (47.50%) ITIL
4 86 (43.00%) Infrastructure as Code
5 85 (42.50%) DevOps
6 83 (41.50%) Machine Learning
7 82 (41.00%) Scaled Agile Framework
8 80 (40.00%) Task Automation
9 77 (38.50%) Data Science
9 77 (38.50%) DevSecOps
9 77 (38.50%) SDLC
9 77 (38.50%) Service Management
9 77 (38.50%) Site Reliability Engineering
10 76 (38.00%) Cyber Intelligence
10 76 (38.00%) Software Testing
11 70 (35.00%) Configuration Management
12 32 (16.00%) Storage Management
13 23 (11.50%) Computer Science
14 18 (9.00%) Microservices
15 16 (8.00%) Infrastructure Engineering
Programming Languages
1 96 (48.00%) Python
2 92 (46.00%) Bash Shell
3 90 (45.00%) PowerShell
4 24 (12.00%) SQL
5 18 (9.00%) Java
5 18 (9.00%) JavaScript
6 15 (7.50%) C
7 12 (6.00%) C++
7 12 (6.00%) PHP
8 11 (5.50%) C#
8 11 (5.50%) Perl
8 11 (5.50%) Ruby
8 11 (5.50%) VB
8 11 (5.50%) VB.NET
9 6 (3.00%) TypeScript
10 5 (2.50%) Shell Script
11 2 (1.00%) C-shell
11 2 (1.00%) Delphi
11 2 (1.00%) Korn
12 1 (0.50%) Rust
Qualifications
1 27 (13.50%) Cisco Certification
2 26 (13.00%) GIAC
2 26 (13.00%) RHCE
3 25 (12.50%) CCNP
3 25 (12.50%) Degree
4 14 (7.00%) Security Cleared
5 13 (6.50%) AWS Certification
6 12 (6.00%) CCNA
7 5 (2.50%) RHCSA
8 4 (2.00%) DV Cleared
9 3 (1.50%) CCIE
9 3 (1.50%) CCIE Service Provider
9 3 (1.50%) Computer Science Degree
9 3 (1.50%) JNCIP
9 3 (1.50%) SC Cleared
10 2 (1.00%) ITIL Certification
Quality Assurance & Compliance
1 5 (2.50%) Data Quality
2 3 (1.50%) GRC
2 3 (1.50%) QA
3 2 (1.00%) SLA
4 1 (0.50%) GDPR
4 1 (0.50%) HIPAA
System Software
1 102 (51.00%) Docker
2 87 (43.50%) VMware Infrastructure
3 64 (32.00%) VMware ESXi
4 8 (4.00%) Virtual Servers
5 6 (3.00%) Active Directory
6 3 (1.50%) Firmware
6 3 (1.50%) vSphere
7 2 (1.00%) Hyper-V
7 2 (1.00%) Virtual Desktop
8 1 (0.50%) Virtual Machines
Systems Management
1 99 (49.50%) Ansible
2 98 (49.00%) Puppet
3 30 (15.00%) Terraform
4 20 (10.00%) Kubernetes
5 14 (7.00%) Opscode Chef
6 12 (6.00%) Nmap
7 11 (5.50%) SCCM
8 7 (3.50%) Nexpose
9 6 (3.00%) OpenNMS
10 5 (2.50%) HAProxy
10 5 (2.50%) Icinga
11 3 (1.50%) FortiGate
11 3 (1.50%) Nagios
11 3 (1.50%) Proxmox
11 3 (1.50%) ZABBIX
12 2 (1.00%) QRadar
13 1 (0.50%) Active Directory Federation Services
Vendors
1 91 (45.50%) Microsoft
1 91 (45.50%) VMware
2 48 (24.00%) Oracle
3 35 (17.50%) Google
4 34 (17.00%) Cisco
5 31 (15.50%) Red Hat
6 11 (5.50%) Alibaba
6 11 (5.50%) IBM
7 9 (4.50%) Citrix
7 9 (4.50%) SolarWinds
8 7 (3.50%) Qualys
9 6 (3.00%) Fortinet
9 6 (3.00%) Meraki
9 6 (3.00%) New Relic
10 5 (2.50%) Adobe
10 5 (2.50%) Monetate
11 4 (2.00%) Aruba
11 4 (2.00%) Juniper
12 3 (1.50%) Infoblox
12 3 (1.50%) Mellanox