Period
to 21 September 2021

The following table provides summary statistics for contract job vacancies advertised in London with a requirement for IPv4 skills. Included is a benchmarking guide to the contractor rates 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.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Internet Protocol version 4 (IPv4)
England > London
6 months to
21 Sep 2021
Same period 2020 Same period 2019
Rank 519 353 555
Rank change year-on-year -166 +202 +53
Contract jobs citing IPv4 32 11 24
As % of all contract jobs advertised in London 0.095% 0.083% 0.062%
As % of the Communications & Networking category 1.00% 0.72% 0.59%
Number of daily rates quoted 25 6 18
10th Percentile £378 £266 £273
25th Percentile £413 £323 £369
Median daily rate (50th Percentile) £475 £425 £395
Median % change year-on-year +11.76% +7.59% -1.86%
75th Percentile £584 £506 £484
90th Percentile £635 £538 £500
England median daily rate £450 £390 £390
% change year-on-year +15.38% - +4.00%

IPv4 is in the Communications and Computer Networking category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
London
Contract vacancies with a requirement for communications or computer networking skills 3,186 1,525 4,052
As % of all contract IT jobs advertised in London 9.46% 11.51% 10.53%
Number of daily rates quoted 2,171 1,050 2,794
10th Percentile £300 £263 £213
25th Percentile £407 £375 £350
Median daily rate (50th Percentile) £523 £474 £463
Median % change year-on-year +10.29% +2.43% +2.78%
75th Percentile £638 £575 £575
90th Percentile £713 £650 £662
England median daily rate £470 £440 £425
% change year-on-year +6.82% +3.53% -
Number of hourly rates quoted 58 26 106
10th Percentile £11.92 £16.00 £13.81
25th Percentile £14.06 £25.00 £18.49
Median hourly rate £22.50 £38.63 £21.50
Median % change year-on-year -41.75% +79.65% +7.50%
75th Percentile £37.75 £49.08 £44.99
90th Percentile £52.75 £57.25 £53.13
England median hourly rate £22.00 £30.00 £23.75
% change year-on-year -26.67% +26.32% +22.20%

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
Contractor Daily Rate Trend in London

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

Daily rate trend for IPv4 in London

IPv4
Daily Rate Histogram in London

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

Daily rate histogram for IPv4 in London

IPv4
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -48 5 £450 -10.00% 1
South London - 3 £609 -
East London - 1 £465 - 1
IPv4
England

For the 6 months to 21 September 2021, IT contractor 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 contract job ads across the London region with a requirement for IPv4.

1 22 (68.75%) Linux
2 16 (50.00%) Firewall
3 15 (46.88%) Agile Software Development
4 14 (43.75%) VPN
4 14 (43.75%) DNS
5 13 (40.63%) Azure
5 13 (40.63%) DevOps
6 12 (37.50%) Docker
6 12 (37.50%) Bash Shell
7 11 (34.38%) AWS
7 11 (34.38%) IPv6
8 10 (31.25%) Python
8 10 (31.25%) C
8 10 (31.25%) Java
8 10 (31.25%) VMware
8 10 (31.25%) VLAN
8 10 (31.25%) Git (software)
9 9 (28.13%) Microsoft
10 8 (25.00%) DHCP
10 8 (25.00%) C++
10 8 (25.00%) Windows
10 8 (25.00%) Scrum
10 8 (25.00%) JIRA
10 8 (25.00%) Cybersecurity
10 8 (25.00%) Terraform
11 7 (21.88%) Ansible
11 7 (21.88%) Kubernetes
11 7 (21.88%) Data Centre
11 7 (21.88%) Public Sector
11 7 (21.88%) Social Skills

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 7 (21.88%) Confluence
2 4 (12.50%) Apache
2 4 (12.50%) Tomcat
3 2 (6.25%) Oracle SOA Suite
4 1 (3.13%) Apache Spark
4 1 (3.13%) Exchange Server 2007
4 1 (3.13%) Exchange Server 2010
4 1 (3.13%) Exchange Server 2013
4 1 (3.13%) MS Exchange
4 1 (3.13%) nginx
Cloud Services
1 13 (40.63%) Azure
2 11 (34.38%) AWS
3 5 (15.63%) GCP
3 5 (15.63%) SaaS
4 4 (12.50%) AWS CloudFormation
4 4 (12.50%) IaaS
4 4 (12.50%) PaaS
5 3 (9.38%) GitHub
6 2 (6.25%) Amazon CloudWatch
6 2 (6.25%) Amazon EKS
6 2 (6.25%) Amazon S3
6 2 (6.25%) AWS CodeCommit
6 2 (6.25%) AWS CodePipeline
6 2 (6.25%) AWS Elastic Beanstalk
6 2 (6.25%) Azure Pipelines
6 2 (6.25%) OpenShift
7 1 (3.13%) Akamai
7 1 (3.13%) GitHub Actions
Communications & Networking
1 16 (50.00%) Firewall
2 14 (43.75%) DNS
2 14 (43.75%) VPN
3 11 (34.38%) IPv6
4 10 (31.25%) VLAN
5 8 (25.00%) DHCP
6 5 (15.63%) SSL
6 5 (15.63%) Wi-Fi
7 4 (12.50%) BGP
7 4 (12.50%) Cisco IOS
7 4 (12.50%) F5 BIG-IP LTM
7 4 (12.50%) LAN
7 4 (12.50%) MPLS
7 4 (12.50%) MQTT
7 4 (12.50%) Network Security
7 4 (12.50%) OSPF
7 4 (12.50%) TCP/IP
7 4 (12.50%) WAN
7 4 (12.50%) Wireless
8 3 (9.38%) F5 BIG-IP GTM
Database & Business Intelligence
1 6 (18.75%) MySQL
2 3 (9.38%) NoSQL
3 2 (6.25%) Amazon RDS
3 2 (6.25%) MongoDB
3 2 (6.25%) PostgreSQL
4 1 (3.13%) Data Warehouse
4 1 (3.13%) SQL Server
4 1 (3.13%) SQL Server 2005
4 1 (3.13%) SQL Server 2008
4 1 (3.13%) SQL Server 2012
Development Applications
1 10 (31.25%) Git (software)
2 8 (25.00%) JIRA
3 6 (18.75%) Jenkins
4 3 (9.38%) Arsenale Dataplane
4 3 (9.38%) Artifactory
4 3 (9.38%) GitLab
4 3 (9.38%) Maven
4 3 (9.38%) SonarQube
4 3 (9.38%) TestRail
5 2 (6.25%) Vagrant
6 1 (3.13%) GDB
6 1 (3.13%) Subversion
General
1 7 (21.88%) Public Sector
1 7 (21.88%) Social Skills
2 3 (9.38%) Finance
3 2 (6.25%) Analytical Skills
3 2 (6.25%) Games
3 2 (6.25%) Telecoms
4 1 (3.13%) Back Office
4 1 (3.13%) Banking
4 1 (3.13%) Legal
4 1 (3.13%) Public Speaking
Job Titles
1 7 (21.88%) DevOps Engineer
2 5 (15.63%) Architect
3 4 (12.50%) Security Specialist
3 4 (12.50%) Ubuntu Specialist
4 3 (9.38%) Linux Engineer
4 3 (9.38%) MySQL Specialist
5 2 (6.25%) Cloud Engineer
5 2 (6.25%) Developer
5 2 (6.25%) Embedded Developer
5 2 (6.25%) Embedded Engineer
5 2 (6.25%) Embedded Software Engineer
5 2 (6.25%) Infrastructure Architect
5 2 (6.25%) Infrastructure Technical Architect
5 2 (6.25%) Linux Developer
5 2 (6.25%) Python Developer
5 2 (6.25%) Software Engineer
5 2 (6.25%) Technical Architect
5 2 (6.25%) Technical Infrastructure Architect
6 1 (3.13%) Azure Engineer
6 1 (3.13%) IP Expert
Libraries, Frameworks & Software Standards
1 5 (15.63%) Kafka
1 5 (15.63%) Web Services
2 4 (12.50%) LAMP
2 4 (12.50%) LDAP
2 4 (12.50%) OAuth
2 4 (12.50%) OAuth2
3 3 (9.38%) Elastic Stack
3 3 (9.38%) Keycloak
3 3 (9.38%) Node.js
3 3 (9.38%) RESTful
3 3 (9.38%) Velocity
4 2 (6.25%) .NET
4 2 (6.25%) AngularJS
4 2 (6.25%) ASP.NET
4 2 (6.25%) Django
4 2 (6.25%) Express
4 2 (6.25%) JSON
4 2 (6.25%) Middleware
4 2 (6.25%) Ruby on Rails
4 2 (6.25%) XML
Miscellaneous
1 7 (21.88%) Data Centre
2 6 (18.75%) Hybrid Cloud
3 4 (12.50%) Algorithms
4 3 (9.38%) Device Driver
4 3 (9.38%) PKI
5 2 (6.25%) Public Cloud
6 1 (3.13%) Blog
6 1 (3.13%) Clustering
6 1 (3.13%) Data Structures
6 1 (3.13%) Embedded Systems
6 1 (3.13%) Video\Live Streaming
6 1 (3.13%) Web 2.0
Operating Systems
1 22 (68.75%) Linux
2 8 (25.00%) Windows
3 7 (21.88%) Ubuntu
4 6 (18.75%) Red Hat Enterprise Linux
4 6 (18.75%) Windows Server
5 5 (15.63%) CentOS
6 3 (9.38%) Embedded Linux
6 3 (9.38%) Windows Server 2016
7 2 (6.25%) AIX
7 2 (6.25%) Unix
8 1 (3.13%) OpenWrt
8 1 (3.13%) Windows 10
8 1 (3.13%) Windows Server 2008
Processes & Methodologies
1 15 (46.88%) Agile Software Development
2 13 (40.63%) DevOps
3 8 (25.00%) Cybersecurity
3 8 (25.00%) Scrum
4 7 (21.88%) Cryptography
4 7 (21.88%) Software Engineering
5 6 (18.75%) Microservices
6 5 (15.63%) Problem-Solving
6 5 (15.63%) Test Automation
7 4 (12.50%) Capacity Planning
7 4 (12.50%) Ethical Hacking
7 4 (12.50%) ITIL
7 4 (12.50%) Load Balancing
7 4 (12.50%) Migration
7 4 (12.50%) Open Source
7 4 (12.50%) Task Automation
8 3 (9.38%) Continuous Deployment
8 3 (9.38%) Device Driver Development
8 3 (9.38%) Edge Computing
8 3 (9.38%) Scaled Agile Framework
Programming Languages
1 12 (37.50%) Bash Shell
2 10 (31.25%) C
2 10 (31.25%) Java
2 10 (31.25%) Python
3 8 (25.00%) C++
4 6 (18.75%) Go
5 5 (15.63%) PowerShell
6 4 (12.50%) Perl
6 4 (12.50%) Ruby
6 4 (12.50%) Rust
7 3 (9.38%) JavaScript
7 3 (9.38%) SQL
8 2 (6.25%) C#
8 2 (6.25%) PHP
8 2 (6.25%) VB
8 2 (6.25%) VB.NET
9 1 (3.13%) Embedded C
9 1 (3.13%) Shell Script
9 1 (3.13%) TypeScript
Qualifications
1 7 (21.88%) Security Cleared
2 5 (15.63%) Cisco Certification
3 4 (12.50%) Degree
3 4 (12.50%) RHCE
3 4 (12.50%) SC Cleared
4 3 (9.38%) AWS Certification
4 3 (9.38%) CCNA
4 3 (9.38%) DV Cleared
5 2 (6.25%) CCIE
5 2 (6.25%) Computer Science Degree
6 1 (3.13%) CCA
6 1 (3.13%) CCIE Security
6 1 (3.13%) Citrix Certification
6 1 (3.13%) MCITP
6 1 (3.13%) MCP
6 1 (3.13%) MCSA
6 1 (3.13%) MCSE
6 1 (3.13%) MCTS
6 1 (3.13%) Microsoft Certification
6 1 (3.13%) VMware Certified Professional (VCP)
Quality Assurance & Compliance
1 1 (3.13%) JTAG
System Software
1 12 (37.50%) Docker
2 6 (18.75%) Active Directory
2 6 (18.75%) iptables
3 5 (15.63%) VMware Infrastructure
4 3 (9.38%) KVM
4 3 (9.38%) Xen
5 1 (3.13%) Citrix Hypervisor
5 1 (3.13%) Hyper-V
5 1 (3.13%) Microsoft App-V
5 1 (3.13%) NFS
5 1 (3.13%) Virtual Servers
5 1 (3.13%) VMware ESXi
5 1 (3.13%) VMware NSX
5 1 (3.13%) vSphere
5 1 (3.13%) XenApp
5 1 (3.13%) XenDesktop
Systems Management
1 8 (25.00%) Terraform
2 7 (21.88%) Ansible
2 7 (21.88%) Kubernetes
3 5 (15.63%) Puppet
4 4 (12.50%) SCCM
4 4 (12.50%) Single Sign-On
5 3 (9.38%) Sysdig
6 2 (6.25%) Opscode Chef
7 1 (3.13%) Consul
7 1 (3.13%) FortiGate
7 1 (3.13%) NetBackup
7 1 (3.13%) Norton AntiVirus
7 1 (3.13%) Packer
7 1 (3.13%) SCOM
7 1 (3.13%) vRealize
7 1 (3.13%) vRealize Orchestrator
Vendors
1 10 (31.25%) VMware
2 9 (28.13%) Microsoft
3 6 (18.75%) Red Hat
4 4 (12.50%) Cisco
4 4 (12.50%) Dynatrace
4 4 (12.50%) F5
5 3 (9.38%) Atlassian
5 3 (9.38%) Nokia
6 2 (6.25%) Alibaba
6 2 (6.25%) Forcepoint
6 2 (6.25%) Google
6 2 (6.25%) IBM
6 2 (6.25%) Oracle
7 1 (3.13%) Adobe
7 1 (3.13%) Fortinet
7 1 (3.13%) Ivanti
7 1 (3.13%) Meraki
7 1 (3.13%) Monetate
7 1 (3.13%) New Relic
7 1 (3.13%) Shavlik