Period
to 25 February 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 25 February 2021 with a comparison to the same period in the previous 2 years.

Internet Protocol version 4 (IPv4)
UK
6 months to
25 Feb 2021
Same period 2020 Same period 2019
Rank 669 893 1032
Rank change year-on-year +224 +139 +33
Permanent jobs citing IPv4 148 126 95
As % of all permanent jobs advertised in the UK 0.20% 0.10% 0.063%
As % of the Communications & Networking category 1.51% 0.68% 0.42%
Number of salaries quoted 81 103 96
Median annual salary £55,000 £42,500 £50,000
Median salary % change year-on-year +29.41% -15.00% +25.00%
10th Percentile £41,250 £27,500 £38,750
90th Percentile £85,000 £71,250 £81,250
UK excluding London median annual salary £47,250 £33,000 £47,750
% change year-on-year +43.18% -30.89% +27.33%

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 9,769 18,557 22,639
As % of all permanent IT jobs advertised in the UK 13.19% 15.03% 15.06%
Number of salaries quoted 7,683 14,879 17,962
Median annual salary £50,000 £47,500 £47,500
Median salary % change year-on-year +5.26% - +5.56%
10th Percentile £28,750 £26,250 £26,250
90th Percentile £80,000 £77,500 £77,500
UK excluding London median annual salary £45,000 £42,500 £42,500
% change year-on-year +5.88% - +3.66%

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 25 February 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 25 February 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 +242 142 £55,000 +22.22% 18
UK excluding London +217 126 £47,250 +43.18% 14
South West +73 43 £51,152 +62.39% 2
North of England +97 39 £42,500 -3.41% 2
Work from Home - 36 £60,000 - 4
Yorkshire +63 21 £37,500 -12.28% 1
East of England +103 20 £45,000 -30.77% 2
South East +132 19 £65,000 +12.07% 7
North West +78 18 £42,500 -32.39% 1
London +144 17 £80,000 +42.86% 4
Midlands +58 4 £47,250 +51.20% 1
West Midlands +55 4 £47,250 +51.20%
Scotland +24 1 £34,000 -6.21%

For the 6 months to 25 February 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 88 (59.46%) Linux
2 84 (56.76%) IPv6
3 80 (54.05%) VLAN
4 68 (45.95%) Agile Software Development
5 66 (44.59%) Firewall
5 66 (44.59%) AWS
6 64 (43.24%) Azure
7 63 (42.57%) DevOps
8 60 (40.54%) Ansible
8 60 (40.54%) PowerShell
8 60 (40.54%) VMware
9 59 (39.86%) Microsoft
9 59 (39.86%) Docker
10 58 (39.19%) Git (software)
11 57 (38.51%) OSPF
12 55 (37.16%) VMware Infrastructure
12 55 (37.16%) Puppet
12 55 (37.16%) Infrastructure as Code
13 54 (36.49%) Python
14 53 (35.81%) Scrum
14 53 (35.81%) Task Automation
15 52 (35.14%) Bash Shell
15 52 (35.14%) ITIL
16 51 (34.46%) Web Services
16 51 (34.46%) VPN
17 50 (33.78%) Service Management
17 50 (33.78%) Confluence
17 50 (33.78%) Machine Learning
17 50 (33.78%) JIRA
17 50 (33.78%) SDLC

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 50 (33.78%) Confluence
2 8 (5.41%) Apache
2 8 (5.41%) WordPress
3 5 (3.38%) Exchange Server 2013
3 5 (3.38%) SharePoint
Cloud Services
1 66 (44.59%) AWS
2 64 (43.24%) Azure
3 16 (10.81%) GCP
4 6 (4.05%) Microsoft 365
4 6 (4.05%) SaaS
4 6 (4.05%) Serverless
5 5 (3.38%) Azure Active Directory
5 5 (3.38%) Azure Functions
5 5 (3.38%) IaaS
5 5 (3.38%) Logic Apps
5 5 (3.38%) OneDrive
5 5 (3.38%) PaaS
6 4 (2.70%) GitHub
6 4 (2.70%) SonarCloud
7 3 (2.03%) Cloud Computing
8 1 (0.68%) Amazon EC2
8 1 (0.68%) Amazon S3
8 1 (0.68%) AWS Lambda
8 1 (0.68%) Azure Machine Learning
8 1 (0.68%) CloudFront
Communications & Networking
1 84 (56.76%) IPv6
2 80 (54.05%) VLAN
3 66 (44.59%) Firewall
4 57 (38.51%) OSPF
5 51 (34.46%) VPN
6 40 (27.03%) DNS
6 40 (27.03%) MPLS
7 36 (24.32%) TCP/IP
8 30 (20.27%) Internet
9 29 (19.59%) DHCP
10 27 (18.24%) Ethernet
11 23 (15.54%) 3GPP
11 23 (15.54%) Wireless
12 15 (10.14%) BGP
13 14 (9.46%) Network Security
14 9 (6.08%) Wi-Fi
15 7 (4.73%) F5 BIG-IP LTM
15 7 (4.73%) WAN
16 6 (4.05%) EIGRP
17 5 (3.38%) iSCSI
Database & Business Intelligence
1 10 (6.76%) PostgreSQL
2 9 (6.08%) SQL Server
3 8 (5.41%) MariaDB
4 5 (3.38%) Cosmos DB
5 2 (1.35%) Apache Cassandra
5 2 (1.35%) NoSQL
5 2 (1.35%) Relational Database
Development Applications
1 58 (39.19%) Git (software)
2 50 (33.78%) JIRA
3 41 (27.70%) Subversion
4 9 (6.08%) Jenkins
5 1 (0.68%) CircleCI
5 1 (0.68%) GDB
5 1 (0.68%) MSI
5 1 (0.68%) Selenium
5 1 (0.68%) TestRail
General
1 8 (5.41%) Marketing
2 6 (4.05%) Finance
3 4 (2.70%) Telecoms
4 3 (2.03%) Law
5 2 (1.35%) Military
6 1 (0.68%) Aerospace
6 1 (0.68%) Electronics
6 1 (0.68%) Manufacturing
6 1 (0.68%) Public Sector
Job Titles
1 43 (29.05%) Systems Engineer
2 32 (21.62%) Network Engineer
3 29 (19.59%) Linux Engineer
4 25 (16.89%) Architect
5 21 (14.19%) Cloud Engineer
6 20 (13.51%) Chief Systems Engineer
6 20 (13.51%) Infrastructure Engineer
7 13 (8.78%) Network Systems Engineer
8 12 (8.11%) Principal Architect
9 10 (6.76%) Lead Systems Engineer
9 10 (6.76%) Linux Systems Engineer
9 10 (6.76%) Senior Network Engineer
9 10 (6.76%) Solutions Architect
10 9 (6.08%) Cloud Architect
10 9 (6.08%) Cloud Solutions Architect
10 9 (6.08%) Principal Solutions Architect
11 8 (5.41%) Linux Systems Administrator
11 8 (5.41%) Network Architect
11 8 (5.41%) Systems Administrator
12 7 (4.73%) Security Architect
Libraries, Frameworks & Software Standards
1 51 (34.46%) Web Services
2 28 (18.92%) 802.1X
3 24 (16.22%) RESTful
4 8 (5.41%) LAMP
4 8 (5.41%) LAPP Stack
5 6 (4.05%) SAML
6 1 (0.68%) CSS
6 1 (0.68%) J2EE
6 1 (0.68%) Lambda Expressions
6 1 (0.68%) LDAP
6 1 (0.68%) OAuth
6 1 (0.68%) OpenID
6 1 (0.68%) POSIX
6 1 (0.68%) SailPoint
6 1 (0.68%) WebRTC
6 1 (0.68%) XML
Miscellaneous
1 35 (23.65%) Public Cloud
2 28 (18.92%) Data Centre
3 15 (10.14%) Hybrid Cloud
4 5 (3.38%) Analytical Skills
4 5 (3.38%) Distributed Denial-of-Service
5 4 (2.70%) Management Information System
6 2 (1.35%) Clustering
7 1 (0.68%) Self-Motivation
Operating Systems
1 88 (59.46%) Linux
2 46 (31.08%) Windows
3 44 (29.73%) CentOS
4 41 (27.70%) Windows Server
5 31 (20.95%) Windows Server 2016
6 30 (20.27%) Ubuntu
7 25 (16.89%) Unix
8 8 (5.41%) Fedora
9 6 (4.05%) Red Hat Enterprise Linux
10 1 (0.68%) AIX
10 1 (0.68%) Debian
10 1 (0.68%) Embedded Linux
10 1 (0.68%) HPUX
10 1 (0.68%) OpenVMS
10 1 (0.68%) OpenWrt
10 1 (0.68%) Solaris
10 1 (0.68%) Windows 10
Processes & Methodologies
1 68 (45.95%) Agile Software Development
2 63 (42.57%) DevOps
3 55 (37.16%) Infrastructure as Code
4 53 (35.81%) Scrum
4 53 (35.81%) Task Automation
5 52 (35.14%) ITIL
6 50 (33.78%) Machine Learning
6 50 (33.78%) Scaled Agile Framework
6 50 (33.78%) SDLC
6 50 (33.78%) Service Management
7 49 (33.11%) Cyber Intelligence
7 49 (33.11%) Data Science
7 49 (33.11%) DevSecOps
7 49 (33.11%) Site Reliability Engineering
8 47 (31.76%) Configuration Management
9 25 (16.89%) Storage Management
10 20 (13.51%) Infrastructure Engineering
11 15 (10.14%) Problem-Solving
12 14 (9.46%) Network Architecture
13 13 (8.78%) Asset Management
Programming Languages
1 60 (40.54%) PowerShell
2 54 (36.49%) Python
3 52 (35.14%) Bash Shell
4 8 (5.41%) Shell Script
5 3 (2.03%) C
6 2 (1.35%) Java
7 1 (0.68%) C#
7 1 (0.68%) C++
7 1 (0.68%) C-shell
7 1 (0.68%) Delphi
7 1 (0.68%) JavaScript
7 1 (0.68%) Korn
7 1 (0.68%) PHP
7 1 (0.68%) Rust
7 1 (0.68%) Tcl
7 1 (0.68%) TypeScript
7 1 (0.68%) XPath
Qualifications
1 20 (13.51%) GIAC
1 20 (13.51%) RHCE
2 16 (10.81%) Security Cleared
3 13 (8.78%) Cisco Certification
4 12 (8.11%) CCNP
5 11 (7.43%) Degree
6 9 (6.08%) AWS Certification
7 8 (5.41%) JNCIP
8 5 (3.38%) CCNA
8 5 (3.38%) CISSP
9 4 (2.70%) CISM
10 3 (2.03%) CCIE
10 3 (2.03%) CCIE Service Provider
10 3 (2.03%) Computer Science Degree
11 2 (1.35%) CESG Certified Professional
11 2 (1.35%) CompTIA Security+
11 2 (1.35%) JNCIS
11 2 (1.35%) SC Cleared
12 1 (0.68%) CEH
12 1 (0.68%) DV Cleared
Quality Assurance & Compliance
1 7 (4.73%) QA
2 1 (0.68%) GDPR
2 1 (0.68%) HIPAA
2 1 (0.68%) ISO/IEC 27001
2 1 (0.68%) NCSC
2 1 (0.68%) RMADS
System Software
1 59 (39.86%) Docker
2 55 (37.16%) VMware Infrastructure
3 41 (27.70%) VMware ESXi
4 11 (7.43%) Active Directory
5 5 (3.38%) vSphere
6 3 (2.03%) Firmware
7 2 (1.35%) Hyper-V
Systems Management
1 60 (40.54%) Ansible
2 55 (37.16%) Puppet
3 23 (15.54%) Terraform
4 8 (5.41%) HAProxy
4 8 (5.41%) Icinga
5 5 (3.38%) Red Hat Satellite
6 4 (2.70%) Opscode Chef
7 1 (0.68%) Kubernetes
7 1 (0.68%) Nmap
7 1 (0.68%) Single Sign-On
Vendors
1 60 (40.54%) VMware
2 59 (39.86%) Microsoft
3 25 (16.89%) Red Hat
4 24 (16.22%) Oracle
5 16 (10.81%) Cisco
6 15 (10.14%) Google
7 11 (7.43%) Juniper
8 9 (6.08%) F5
9 5 (3.38%) Dell
10 4 (2.70%) CommVault
10 4 (2.70%) DataCore
10 4 (2.70%) Dell Compellent
10 4 (2.70%) EMC
10 4 (2.70%) Isilon
10 4 (2.70%) Veeam
11 3 (2.03%) Broadcom
11 3 (2.03%) Mellanox
12 1 (0.68%) ForgeRock
12 1 (0.68%) New Relic
12 1 (0.68%) Okta