Period
to 8 December 2021

The following table provides summary statistics for contract job vacancies advertised in England 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 8 December 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)
UK > England
6 months to
8 Dec 2021
Same period 2020 Same period 2019
Rank 675 491 725
Rank change year-on-year -184 +234 +110
Contract jobs citing IPv4 85 49 52
As % of all contract jobs advertised in England 0.12% 0.15% 0.071%
As % of the Communications & Networking category 1.05% 1.21% 0.52%
Number of daily rates quoted 63 29 38
10th Percentile £323 £300 £284
25th Percentile £372 £350 £375
Median daily rate (50th Percentile) £425 £390 £425
Median % change year-on-year +8.97% -8.24% +6.25%
75th Percentile £575 £448 £500
90th Percentile £584 £505 £511
UK median daily rate £463 £390 £425
% change year-on-year +18.59% -8.24% +6.25%
Number of hourly rates quoted 1 0 1
Median hourly rate £20.00 - £65.00
UK median hourly rate £40.00 - £65.00

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 England with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
England
Contract vacancies with a requirement for communications or computer networking skills 8,081 4,058 9,959
As % of all contract IT jobs advertised in England 11.30% 12.83% 13.59%
Number of daily rates quoted 5,320 2,619 6,194
10th Percentile £205 £206 £183
25th Percentile £358 £323 £306
Median daily rate (50th Percentile) £476 £438 £415
Median % change year-on-year +8.86% +5.42% -2.35%
75th Percentile £588 £538 £525
90th Percentile £688 £619 £600
UK median daily rate £488 £440 £413
% change year-on-year +10.80% +6.67% -2.94%
Number of hourly rates quoted 358 196 532
10th Percentile £12.00 £14.00 £13.00
25th Percentile £14.89 £17.94 £15.48
Median hourly rate £22.00 £34.98 £21.51
Median % change year-on-year -37.10% +62.58% +13.22%
75th Percentile £48.75 £47.50 £47.00
90th Percentile £63.58 £57.50 £53.00
UK median hourly rate £22.00 £35.00 £22.50
% change year-on-year -37.14% +55.56% +18.42%

IPv4
Job Vacancy Trend in England

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

Job vacancy trend for IPv4 in England

IPv4
Contractor Daily Rate Trend in England

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

Daily rate trend for IPv4 in England

IPv4
Daily Rate Histogram in England

Daily rate distribution for jobs citing IPv4 in England over the 6 months to 8 December 2021.

Daily rate histogram for IPv4 in England

IPv4
Contractor Hourly Rate Trend in England

3-month moving average hourly rates quoted in jobs citing IPv4 in England.

Hourly rate trend for IPv4 in England

IPv4
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing IPv4 within the England region over the 6 months to 8 December 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
London -178 37 £550 +42.39% 5
East of England -61 12 £325 -11.86% 2
South West -44 10 £450 -30.10% 3
South East -77 6 £369 -26.25% 4
North of England -69 4 £453 -4.74% 2
Yorkshire -42 2 £480 - 1
North West -49 2 £425 -10.53%
IPv4
UK

For the 6 months to 8 December 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 England region with a requirement for IPv4.

1 47 (55.29%) Firewall
2 45 (52.94%) IPv6
3 32 (37.65%) Linux
3 32 (37.65%) Agile Software Development
4 28 (32.94%) Microsoft
5 27 (31.76%) Social Skills
6 26 (30.59%) DNS
7 25 (29.41%) Cisco
7 25 (29.41%) Load Balancing
8 24 (28.24%) Cisco Certification
8 24 (28.24%) Data Centre
9 23 (27.06%) DHCP
9 23 (27.06%) Scrum
10 22 (25.88%) Migration
11 21 (24.71%) BGP
11 21 (24.71%) VPN
12 20 (23.53%) Windows
12 20 (23.53%) MPLS
12 20 (23.53%) VMware
12 20 (23.53%) DevOps
13 18 (21.18%) Software Deployment
13 18 (21.18%) Windows Server
14 17 (20.00%) VRRP
14 17 (20.00%) SNMP
14 17 (20.00%) Network Security
15 16 (18.82%) Azure
15 16 (18.82%) RSVP
16 15 (17.65%) IPsec
16 15 (17.65%) VPLS
16 15 (17.65%) HSRP

IPv4
Co-occurring IT Skills in England 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 (8.24%) Exchange Server 2007
1 7 (8.24%) Exchange Server 2010
1 7 (8.24%) Exchange Server 2013
1 7 (8.24%) MS Exchange
2 5 (5.88%) Confluence
3 3 (3.53%) Apache
3 3 (3.53%) Tomcat
4 1 (1.18%) nginx
4 1 (1.18%) OpenStack
Applications
1 2 (2.35%) Microsoft Excel
1 2 (2.35%) MS Visio
2 1 (1.18%) Microsoft Office
Cloud Services
1 16 (18.82%) Azure
2 11 (12.94%) AWS
3 4 (4.71%) SaaS
4 3 (3.53%) Amazon CloudWatch
4 3 (3.53%) Amazon S3
4 3 (3.53%) AWS CloudFormation
4 3 (3.53%) AWS Elastic Beanstalk
4 3 (3.53%) IaaS
4 3 (3.53%) PaaS
5 2 (2.35%) GCP
6 1 (1.18%) Microsoft 365
Communications & Networking
1 47 (55.29%) Firewall
2 45 (52.94%) IPv6
3 26 (30.59%) DNS
4 23 (27.06%) DHCP
5 21 (24.71%) BGP
5 21 (24.71%) VPN
6 20 (23.53%) MPLS
7 17 (20.00%) Network Security
7 17 (20.00%) SNMP
7 17 (20.00%) VRRP
8 16 (18.82%) RSVP
9 15 (17.65%) HSRP
9 15 (17.65%) IPsec
9 15 (17.65%) VPLS
10 14 (16.47%) F5 BIG-IP LTM
10 14 (16.47%) Wi-Fi
11 13 (15.29%) Ethernet VPN
11 13 (15.29%) LAN
12 12 (14.12%) Ethernet
12 12 (14.12%) OSPF
Database & Business Intelligence
1 6 (7.06%) SQL Server
1 6 (7.06%) SQL Server 2005
1 6 (7.06%) SQL Server 2008
1 6 (7.06%) SQL Server 2012
2 3 (3.53%) Amazon RDS
2 3 (3.53%) MySQL
Development Applications
1 11 (12.94%) Git (software)
1 11 (12.94%) JIRA
2 6 (7.06%) GDB
2 6 (7.06%) GitLab
3 4 (4.71%) Arsenale Dataplane
3 4 (4.71%) TestRail
4 3 (3.53%) Jenkins
5 2 (2.35%) VSS/SourceSafe
6 1 (1.18%) Robot Framework
6 1 (1.18%) Sonatype Nexus
6 1 (1.18%) Subversion
General
1 27 (31.76%) Social Skills
2 8 (9.41%) Finance
3 6 (7.06%) Telecoms
4 4 (4.71%) Public Sector
5 2 (2.35%) Back Office
5 2 (2.35%) Electronics
5 2 (2.35%) Legal
5 2 (2.35%) Military
6 1 (1.18%) Advertising
6 1 (1.18%) Banking
6 1 (1.18%) Financial Institution
Job Titles
1 15 (17.65%) Network Engineer
2 12 (14.12%) Cisco Engineer
2 12 (14.12%) Linux Engineer
3 11 (12.94%) Design Engineer
3 11 (12.94%) Wintel Engineer
4 10 (11.76%) Cisco Design Engineer
5 8 (9.41%) Security Engineer
6 6 (7.06%) Architect
6 6 (7.06%) Cisco Security Engineer
6 6 (7.06%) Support Engineer
7 5 (5.88%) Cisco Network Engineer
7 5 (5.88%) Software Engineer
8 4 (4.71%) Developer
8 4 (4.71%) DevOps Engineer
8 4 (4.71%) Embedded Software Engineer
8 4 (4.71%) IP Engineer
8 4 (4.71%) IP Network Engineer
8 4 (4.71%) Network Design Engineer
8 4 (4.71%) Wintel Support
8 4 (4.71%) Wintel Support Engineer
Libraries, Frameworks & Software Standards
1 14 (16.47%) JSON
2 13 (15.29%) Jinja
2 13 (15.29%) XML
3 5 (5.88%) 802.1X
4 4 (4.71%) RESTful
5 3 (3.53%) LAMP
5 3 (3.53%) LDAP
5 3 (3.53%) Middleware
5 3 (3.53%) OAuth
5 3 (3.53%) OAuth2
5 3 (3.53%) Web Services
6 1 (1.18%) Kafka
Miscellaneous
1 24 (28.24%) Data Centre
2 6 (7.06%) Embedded Systems
3 4 (4.71%) Algorithms
3 4 (4.71%) Device Driver
3 4 (4.71%) PKI
4 3 (3.53%) Hybrid Cloud
5 2 (2.35%) Self-Motivation
5 2 (2.35%) Video\Live Streaming
5 2 (2.35%) Web 2.0
6 1 (1.18%) Clustering
6 1 (1.18%) Data Protection Act
6 1 (1.18%) Distributed Denial-of-Service
6 1 (1.18%) Foreign Exchange (FX)
6 1 (1.18%) Hedge funds
6 1 (1.18%) Management Information System
6 1 (1.18%) Private Cloud
Operating Systems
1 32 (37.65%) Linux
2 20 (23.53%) Windows
3 18 (21.18%) Windows Server
4 11 (12.94%) CentOS
5 8 (9.41%) Windows 10
5 8 (9.41%) Windows Server 2008
6 7 (8.24%) Windows Server 2016
7 6 (7.06%) OpenWrt
7 6 (7.06%) Red Hat Enterprise Linux
8 4 (4.71%) Embedded Linux
9 3 (3.53%) AIX
9 3 (3.53%) Ubuntu
9 3 (3.53%) Windows Server 2019
10 2 (2.35%) Unix
11 1 (1.18%) Windows 7
Processes & Methodologies
1 32 (37.65%) Agile Software Development
2 25 (29.41%) Load Balancing
3 23 (27.06%) Scrum
4 22 (25.88%) Migration
5 20 (23.53%) DevOps
6 18 (21.18%) Software Deployment
7 13 (15.29%) Software Engineering
7 13 (15.29%) Test Planning
8 12 (14.12%) Test Automation
9 8 (9.41%) Patch Management
10 7 (8.24%) Continuous Integration
10 7 (8.24%) Cryptography
10 7 (8.24%) Cybersecurity
10 7 (8.24%) Data Modelling
10 7 (8.24%) Infrastructure Engineering
10 7 (8.24%) Test Strategy
11 6 (7.06%) ITIL
11 6 (7.06%) Kanban
11 6 (7.06%) Network Load Balancing
11 6 (7.06%) TDD
Programming Languages
1 14 (16.47%) Python
2 13 (15.29%) C
3 9 (10.59%) Bash Shell
4 7 (8.24%) Shell Script
5 5 (5.88%) C++
5 5 (5.88%) Go
5 5 (5.88%) Rust
6 4 (4.71%) Java
7 2 (2.35%) Perl
8 1 (1.18%) JavaScript
8 1 (1.18%) PowerShell
8 1 (1.18%) Ruby
Qualifications
1 24 (28.24%) Cisco Certification
2 14 (16.47%) Degree
3 11 (12.94%) CCIE
4 10 (11.76%) CCNA
5 9 (10.59%) CCNP
5 9 (10.59%) Security Cleared
6 7 (8.24%) SC Cleared
7 6 (7.06%) CCIE Security
8 5 (5.88%) CCIE Service Provider
8 5 (5.88%) VMware Certified Professional (VCP)
9 3 (3.53%) CCA
9 3 (3.53%) Citrix Certification
9 3 (3.53%) MCITP
9 3 (3.53%) MCP
9 3 (3.53%) MCSA
9 3 (3.53%) MCSE
9 3 (3.53%) MCTS
9 3 (3.53%) Microsoft Certification
9 3 (3.53%) RHCE
10 2 (2.35%) ITIL Certification
Quality Assurance & Compliance
1 6 (7.06%) JTAG
2 2 (2.35%) PCI DSS
3 1 (1.18%) GDPR
3 1 (1.18%) SLA
System Software
1 13 (15.29%) Active Directory
1 13 (15.29%) VMware Infrastructure
2 8 (9.41%) Citrix Hypervisor
2 8 (9.41%) Hyper-V
2 8 (9.41%) Microsoft App-V
3 7 (8.24%) Docker
3 7 (8.24%) Virtual Servers
3 7 (8.24%) XenApp
3 7 (8.24%) XenDesktop
4 6 (7.06%) NFS
5 5 (5.88%) KVM
5 5 (5.88%) VMware ESXi
6 4 (4.71%) iptables
6 4 (4.71%) Xen
7 3 (3.53%) Firmware
7 3 (3.53%) vSphere
8 2 (2.35%) Virtual Machines
9 1 (1.18%) LXC
9 1 (1.18%) VMware NSX
Systems Management
1 9 (10.59%) SCCM
2 8 (9.41%) Ansible
2 8 (9.41%) NetBackup
3 7 (8.24%) Kubernetes
3 7 (8.24%) Puppet
4 6 (7.06%) FortiGate
4 6 (7.06%) Norton AntiVirus
5 5 (5.88%) Terraform
6 3 (3.53%) Packer
6 3 (3.53%) Single Sign-On
7 2 (2.35%) vCenter Server
8 1 (1.18%) Consul
8 1 (1.18%) Opscode Chef
8 1 (1.18%) Proxmox
8 1 (1.18%) SCOM
Vendors
1 28 (32.94%) Microsoft
2 25 (29.41%) Cisco
3 20 (23.53%) VMware
4 14 (16.47%) F5
5 13 (15.29%) Nokia
6 8 (9.41%) Citrix
6 8 (9.41%) Ivanti
6 8 (9.41%) Red Hat
6 8 (9.41%) Shavlik
7 7 (8.24%) HP
8 6 (7.06%) EMC
8 6 (7.06%) Fortinet
8 6 (7.06%) McAfee
8 6 (7.06%) Symantec
9 4 (4.71%) Atlassian
9 4 (4.71%) Meraki
9 4 (4.71%) SolarWinds
10 3 (3.53%) Forcepoint
11 2 (2.35%) Alcatel-Lucent
11 2 (2.35%) Palo Alto