Period
to 6 May 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 6 May 2021 with a comparison to the same period in the previous 2 years.

Internet Protocol version 4 (IPv4)
UK
6 months to
6 May 2021
Same period 2020 Same period 2019
Rank 706 850 1022
Rank change year-on-year +144 +172 +28
Permanent jobs citing IPv4 177 96 93
As % of all permanent jobs advertised in the UK 0.20% 0.094% 0.063%
As % of the Communications & Networking category 1.56% 0.63% 0.41%
Number of salaries quoted 63 61 85
10th Percentile £41,250 £23,500 £35,500
25th Percentile £42,500 £29,750 £42,500
Median annual salary (50th Percentile) £50,000 £50,000 £47,500
Median % change year-on-year - +5.26% +11.76%
75th Percentile £75,000 £68,750 £55,000
90th Percentile £91,250 £78,750 £67,800
UK excluding London median annual salary £46,804 £37,500 £47,500
% change year-on-year +24.81% -21.05% +18.75%

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 11,332 15,355 22,640
As % of all permanent IT jobs advertised in the UK 12.87% 15.03% 15.41%
Number of salaries quoted 8,555 12,238 17,465
10th Percentile £28,750 £26,750 £26,086
25th Percentile £37,500 £35,000 £33,500
Median annual salary (50th Percentile) £50,000 £47,600 £47,500
Median % change year-on-year +5.04% +0.21% +5.56%
75th Percentile £66,992 £65,000 £62,500
90th Percentile £80,000 £77,500 £77,500
UK excluding London median annual salary £45,000 £43,955 £42,500
% change year-on-year +2.38% +3.42% -

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 6 May 2021.

Salary histogram for IPv4 in the UK

IPv4
Top 13 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 6 May 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 +177 174 £50,000 -7.41% 18
UK excluding London +179 152 £46,804 +24.81% 11
South West +41 64 £51,152 +62.39% 1
North of England +60 59 £42,000 -22.12% 3
Work from Home - 33 £55,000 - 3
North West +57 32 £42,000 -33.18% 1
Yorkshire +5 26 £37,500 -16.67% 2
London +53 22 £85,000 +51.79% 8
South East +67 14 £57,500 +123.30%
East of England +33 11 £45,000 -30.77% 3
West Midlands - 4 £47,250 -
Midlands - 4 £47,250 - 3
North East - 1 £49,000 -

For the 6 months to 6 May 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.

1 108 (61.02%) Linux
1 108 (61.02%) VLAN
2 94 (53.11%) Firewall
3 93 (52.54%) Azure
3 93 (52.54%) AWS
4 89 (50.28%) OSPF
5 87 (49.15%) Agile Software Development
6 86 (48.59%) Microsoft
6 86 (48.59%) IPv6
6 86 (48.59%) PowerShell
6 86 (48.59%) Ansible
7 85 (48.02%) VMware
8 84 (47.46%) Puppet
9 83 (46.89%) VMware Infrastructure
9 83 (46.89%) Docker
10 81 (45.76%) Infrastructure as Code
10 81 (45.76%) Git (software)
10 81 (45.76%) Bash Shell
11 80 (45.20%) Task Automation
12 79 (44.63%) Scrum
12 79 (44.63%) Web Services
13 78 (44.07%) ITIL
14 77 (43.50%) Service Management
14 77 (43.50%) Confluence
14 77 (43.50%) Machine Learning
14 77 (43.50%) JIRA
14 77 (43.50%) DevOps
14 77 (43.50%) Scaled Agile Framework
15 76 (42.94%) Data Science
15 76 (42.94%) Site Reliability Engineering

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 (43.50%) Confluence
2 4 (2.26%) Apache
2 4 (2.26%) WordPress
3 3 (1.69%) Exchange Server 2013
3 3 (1.69%) SharePoint
Cloud Services
1 93 (52.54%) AWS
1 93 (52.54%) Azure
2 28 (15.82%) GCP
3 5 (2.82%) Microsoft 365
4 4 (2.26%) SaaS
4 4 (2.26%) Serverless
5 3 (1.69%) Azure Active Directory
5 3 (1.69%) Azure Cosmos DB
5 3 (1.69%) Azure Functions
5 3 (1.69%) Azure Key Vault
5 3 (1.69%) Azure Logic Apps
5 3 (1.69%) Azure Service Bus
5 3 (1.69%) Azure Storage
5 3 (1.69%) Cloud Computing
5 3 (1.69%) IaaS
5 3 (1.69%) OneDrive
5 3 (1.69%) PaaS
6 2 (1.13%) AWS CloudFormation
6 2 (1.13%) Azure ExpressRoute
6 2 (1.13%) GitHub
Communications & Networking
1 108 (61.02%) VLAN
2 94 (53.11%) Firewall
3 89 (50.28%) OSPF
4 86 (48.59%) IPv6
5 73 (41.24%) VPN
6 57 (32.20%) MPLS
7 41 (23.16%) DNS
8 33 (18.64%) TCP/IP
9 31 (17.51%) DHCP
10 30 (16.95%) Internet
11 28 (15.82%) Ethernet
11 28 (15.82%) Wireless
12 27 (15.25%) BGP
13 25 (14.12%) 3GPP
14 20 (11.30%) Network Security
15 15 (8.47%) SD-WAN
16 12 (6.78%) VRRP
17 7 (3.95%) F5 BIG-IP LTM
17 7 (3.95%) WAN
18 6 (3.39%) HSRP
Database & Business Intelligence
1 5 (2.82%) PostgreSQL
1 5 (2.82%) SQL Server
2 4 (2.26%) MariaDB
3 1 (0.56%) Apache Cassandra
3 1 (0.56%) NoSQL
3 1 (0.56%) Relational Database
Development Applications
1 81 (45.76%) Git (software)
2 77 (43.50%) JIRA
3 66 (37.29%) Subversion
4 5 (2.82%) Jenkins
5 2 (1.13%) GDB
5 2 (1.13%) MSI
6 1 (0.56%) CircleCI
General
1 31 (17.51%) Social Skills
2 4 (2.26%) Marketing
3 3 (1.69%) Analytical Skills
3 3 (1.69%) Law
3 3 (1.69%) Telecoms
4 2 (1.13%) Finance
5 1 (0.56%) Aerospace
5 1 (0.56%) Manufacturing
5 1 (0.56%) Military
Job Titles
1 51 (28.81%) Systems Engineer
2 35 (19.77%) Network Engineer
3 34 (19.21%) Linux Engineer
4 29 (16.38%) Infrastructure Engineer
5 27 (15.25%) Cloud Engineer
6 25 (14.12%) Chief Systems Engineer
7 24 (13.56%) Architect
8 16 (9.04%) Lead Systems Engineer
8 16 (9.04%) Linux Systems Engineer
9 15 (8.47%) Senior Infrastructure Engineer
10 12 (6.78%) Cloud Architect
10 12 (6.78%) Cloud Solutions Architect
10 12 (6.78%) Principal Architect
10 12 (6.78%) Principal Solutions Architect
10 12 (6.78%) Solutions Architect
11 10 (5.65%) Network Architect
11 10 (5.65%) Network Security Architect
11 10 (5.65%) Network Systems Engineer
11 10 (5.65%) Security Architect
12 8 (4.52%) Senior Network Engineer
Libraries, Frameworks & Software Standards
1 79 (44.63%) Web Services
2 27 (15.25%) 802.1X
3 25 (14.12%) RESTful
4 4 (2.26%) LAMP
4 4 (2.26%) LAPP Stack
4 4 (2.26%) SAML
5 2 (1.13%) POSIX
6 1 (0.56%) J2EE
6 1 (0.56%) Lambda Expressions
6 1 (0.56%) LDAP
6 1 (0.56%) OAuth
6 1 (0.56%) OpenID
6 1 (0.56%) SailPoint
6 1 (0.56%) WebRTC
6 1 (0.56%) XML
Miscellaneous
1 56 (31.64%) Public Cloud
2 26 (14.69%) Hybrid Cloud
3 25 (14.12%) Data Centre
4 4 (2.26%) Management Information System
5 3 (1.69%) Distributed Denial-of-Service
6 2 (1.13%) User Experience
7 1 (0.56%) Clustering
7 1 (0.56%) Private Cloud
7 1 (0.56%) Self-Motivation
Operating Systems
1 108 (61.02%) Linux
2 66 (37.29%) Windows
3 60 (33.90%) CentOS
4 59 (33.33%) Windows Server
5 51 (28.81%) Windows Server 2016
6 49 (27.68%) Ubuntu
7 34 (19.21%) Unix
8 4 (2.26%) Fedora
8 4 (2.26%) Red Hat Enterprise Linux
9 2 (1.13%) AIX
9 2 (1.13%) Debian
9 2 (1.13%) HPUX
9 2 (1.13%) OpenVMS
9 2 (1.13%) Solaris
9 2 (1.13%) Windows 10
10 1 (0.56%) Embedded Linux
10 1 (0.56%) OpenWrt
10 1 (0.56%) Windows Server 2012
10 1 (0.56%) Windows Server 2019
Processes & Methodologies
1 87 (49.15%) Agile Software Development
2 81 (45.76%) Infrastructure as Code
3 80 (45.20%) Task Automation
4 79 (44.63%) Scrum
5 78 (44.07%) ITIL
6 77 (43.50%) DevOps
6 77 (43.50%) Machine Learning
6 77 (43.50%) Scaled Agile Framework
6 77 (43.50%) Service Management
7 76 (42.94%) Data Science
7 76 (42.94%) DevSecOps
7 76 (42.94%) SDLC
7 76 (42.94%) Site Reliability Engineering
8 75 (42.37%) Cyber Intelligence
8 75 (42.37%) Software Testing
9 71 (40.11%) Configuration Management
10 29 (16.38%) Infrastructure Engineering
11 27 (15.25%) Storage Management
12 18 (10.17%) Computer Science
13 15 (8.47%) Network Virtualisation
Programming Languages
1 86 (48.59%) PowerShell
2 81 (45.76%) Bash Shell
3 74 (41.81%) Python
4 5 (2.82%) C
5 4 (2.26%) Shell Script
6 3 (1.69%) Java
7 2 (1.13%) C-shell
7 2 (1.13%) Delphi
7 2 (1.13%) Korn
8 1 (0.56%) C++
8 1 (0.56%) JavaScript
8 1 (0.56%) PHP
8 1 (0.56%) Rust
8 1 (0.56%) SQL
8 1 (0.56%) TypeScript
Qualifications
1 28 (15.82%) GIAC
1 28 (15.82%) RHCE
2 20 (11.30%) Cisco Certification
2 20 (11.30%) Degree
3 18 (10.17%) CCNP
4 15 (8.47%) Security Cleared
5 11 (6.21%) AWS Certification
6 9 (5.08%) CCNA
7 6 (3.39%) JNCIP
8 4 (2.26%) CISM
8 4 (2.26%) CISSP
9 3 (1.69%) CCIE
9 3 (1.69%) CCIE Service Provider
9 3 (1.69%) Computer Science Degree
10 2 (1.13%) CompTIA Security+
10 2 (1.13%) JNCIS
11 1 (0.56%) CEH
11 1 (0.56%) CISMP
11 1 (0.56%) SC Cleared
11 1 (0.56%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 3 (1.69%) GRC
1 3 (1.69%) QA
2 1 (0.56%) GDPR
2 1 (0.56%) HIPAA
2 1 (0.56%) ISO/IEC 27001
System Software
1 83 (46.89%) Docker
1 83 (46.89%) VMware Infrastructure
2 66 (37.29%) VMware ESXi
3 10 (5.65%) Active Directory
4 3 (1.69%) Firmware
4 3 (1.69%) vSphere
5 2 (1.13%) Hyper-V
Systems Management
1 86 (48.59%) Ansible
2 84 (47.46%) Puppet
3 24 (13.56%) Terraform
4 6 (3.39%) Nmap
5 5 (2.82%) Opscode Chef
6 4 (2.26%) HAProxy
6 4 (2.26%) Icinga
7 2 (1.13%) Kubernetes
7 2 (1.13%) Red Hat Satellite
8 1 (0.56%) Nagios
8 1 (0.56%) Proxmox
8 1 (0.56%) Single Sign-On
8 1 (0.56%) ZABBIX
Vendors
1 86 (48.59%) Microsoft
2 85 (48.02%) VMware
3 32 (18.08%) Oracle
4 30 (16.95%) Red Hat
5 27 (15.25%) Google
6 22 (12.43%) Cisco
7 9 (5.08%) Juniper
8 8 (4.52%) F5
9 5 (2.82%) Dell
10 4 (2.26%) CommVault
10 4 (2.26%) DataCore
10 4 (2.26%) Dell Compellent
10 4 (2.26%) EMC
10 4 (2.26%) Isilon
10 4 (2.26%) Veeam
11 3 (1.69%) Broadcom
11 3 (1.69%) Mellanox
12 2 (1.13%) Fortinet
13 1 (0.56%) Ivanti
13 1 (0.56%) WatchGuard