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 3 months to 23 June 2017 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
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 556 588 592
Rank change year-on-year +32 +4  
Contract jobs citing IPv4 32 32 34
As % of all contract IT jobs advertised in England 0.074% 0.065% 0.067%
As % of the Communications & Networking category 0.54% 0.41% 0.45%
Number of daily rates quoted 21 18 16
Median daily rate £410 £388 £375
Median daily rate % change year-on-year +5.80% +3.33%  
90% offered a daily rate of more than £285 £275 £269
10% offered a daily rate of more than £600 £479 £475
UK excluding London median daily rate £300 £375 £300
% change year-on-year -20.00% +25.00%  
Number of hourly rates quoted 0 1 4
Median hourly rate - £45.00 £36.25
Median hourly rate % change year-on-year - +24.13%  
UK excluding London median hourly rate - £45.00 £36.25
% change year-on-year - +24.13%  

IPv4 is in the communications and computer networking skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in England with a requirement for communications and computer networking skills.

Contract Communications & Computer Network Skills
England
Contract job vacancies with a requirement for communications and computer networking skills 5880 7860 7562
As % of all contract IT job vacancies advertised in England 13.68% 15.90% 14.80%
Number of daily rates quoted 3504 4878 4329
Median daily rate £400 £400 £363
Median daily rate % change year-on-year +0.07% +10.26%  
90% offered a daily rate of more than £220 £245 £220
10% offered a daily rate of more than £550 £550 £500
UK excluding London median daily rate £375 £365 £347
% change year-on-year +2.73% +5.04%  
Number of hourly rates quoted 354 355 436
Median hourly rate £24.86 £28.00 £23.00
Median hourly rate % change year-on-year -11.21% +21.73%  
90% offered a hourly rate of more than £12.00 £12.50 £13.00
10% offered a hourly rate of more than £50.00 £47.83 £45.00
UK excluding London median hourly rate £27.50 £32.50 £26.00
% change year-on-year -15.38% +25.00%  

IPv4
Job Vacancy Trend in England

The job posting trend of jobs advertised in England citing IPv4 as a proportion of all contract or permanent IT jobs with a match in the Communications & Networking category.

Job vacancy trend for IPv4 in England

IPv4
Contractor Daily Rate Trend in England

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing IPv4 in England.

Contractor daily rate trend for IPv4 in England

IPv4
Contractor Daily Rate Histogram in England

The daily rate distribution of IT jobs citing IPv4 in England over the 3 months to 23 June 2017.

Contractor daily rate histogram for IPv4 in England

IPv4
Contractor Hourly Rate Trend in England

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing IPv4 in England.

Contractor 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 3 months to 23 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London +27 25 £463 +12.12% 5
South East +2 4 £285 -26.45% 2
East of England -8 3 £370 -
IPv4
UK

For the 6 months to 23 June 2017, IT contractor jobs citing IPv4 also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the England region with a requirement for IPv4.

1 64 (85.33%) IPv6
2 54 (72.00%) Cisco
3 43 (57.33%) Cisco Certification
4 42 (56.00%) Firewall
5 41 (54.67%) MPLS
5 41 (54.67%) BGP
6 40 (53.33%) OSPF
7 39 (52.00%) VPN
8 34 (45.33%) Network Security
9 32 (42.67%) WAN
10 29 (38.67%) LAN
11 27 (36.00%) CCNP
12 26 (34.67%) Network Design
13 24 (32.00%) CCIE
13 24 (32.00%) DNS
14 23 (30.67%) Linux
14 23 (30.67%) Wireless
15 22 (29.33%) VLAN
16 21 (28.00%) Juniper
17 20 (26.67%) Ethernet
18 19 (25.33%) Windows
19 18 (24.00%) SNMP
20 17 (22.67%) VMware
20 17 (22.67%) TCP/IP
20 17 (22.67%) DHCP
20 17 (22.67%) Analytical Skills
21 16 (21.33%) Data Centre
21 16 (21.33%) Microsoft Azure
22 15 (20.00%) Cisco IOS
22 15 (20.00%) ICMP

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 4 (5.33%) Exchange Server 2013
1 4 (5.33%) SharePoint
2 1 (1.33%) nginx
Applications
1 2 (2.67%) MS Visio
Cloud Services
1 16 (21.33%) Microsoft Azure
2 11 (14.67%) Amazon AWS
3 7 (9.33%) Virtual Private Cloud
4 4 (5.33%) GitHub
5 3 (4.00%) Office 365
Communications & Networking
1 64 (85.33%) IPv6
2 42 (56.00%) Firewall
3 41 (54.67%) BGP
3 41 (54.67%) MPLS
4 40 (53.33%) OSPF
5 39 (52.00%) VPN
6 34 (45.33%) Network Security
7 32 (42.67%) WAN
8 29 (38.67%) LAN
9 24 (32.00%) DNS
10 23 (30.67%) Wireless
11 22 (29.33%) VLAN
12 20 (26.67%) Ethernet
13 18 (24.00%) SNMP
14 17 (22.67%) DHCP
14 17 (22.67%) TCP/IP
15 15 (20.00%) Cisco IOS
15 15 (20.00%) ICMP
16 13 (17.33%) Cisco ASA
17 11 (14.67%) VPLS
Database & Business Intelligence
1 4 (5.33%) MySQL
1 4 (5.33%) PostgreSQL
Development Applications
1 7 (9.33%) Git (software)
1 7 (9.33%) Subversion
2 5 (6.67%) Atlassian Bamboo
3 3 (4.00%) Rational DOORS
4 2 (2.67%) Bugzilla
4 2 (2.67%) JIRA
4 2 (2.67%) JUnit
4 2 (2.67%) Redmine
4 2 (2.67%) Selenium
4 2 (2.67%) Trac
General
1 15 (20.00%) Telecoms
2 13 (17.33%) Military
3 5 (6.67%) Retail
4 4 (5.33%) Legal
5 3 (4.00%) Finance
6 2 (2.67%) Advertising
6 2 (2.67%) Marketing
7 1 (1.33%) Banking
7 1 (1.33%) Manufacturing
Job Titles
1 18 (24.00%) Network Engineer
2 17 (22.67%) Architect
3 16 (21.33%) Network Architect
4 9 (12.00%) Telecoms Architect
5 8 (10.67%) Administrator
5 8 (10.67%) Cisco Architect
5 8 (10.67%) Cisco Network Architect
6 7 (9.33%) Analyst
7 6 (8.00%) Cisco Analyst
7 6 (8.00%) Cisco Network Analyst
7 6 (8.00%) Network Analyst
8 5 (6.67%) Linux Engineer
8 5 (6.67%) Systems Engineer
9 4 (5.33%) Infrastructure Engineer
9 4 (5.33%) Linux Systems Administrator
9 4 (5.33%) Network Designer
9 4 (5.33%) Network Support
9 4 (5.33%) Security Administrator
9 4 (5.33%) Support Engineer
9 4 (5.33%) Systems Administrator
Libraries, Frameworks & Software Standards
1 8 (10.67%) 802.1X
2 2 (2.67%) .NET
2 2 (2.67%) Web Services
3 1 (1.33%) Core Data
3 1 (1.33%) ExaBGP
3 1 (1.33%) Middleware
3 1 (1.33%) POSIX
Miscellaneous
1 17 (22.67%) Analytical Skills
2 16 (21.33%) Data Centre
3 12 (16.00%) Hybrid Cloud
4 7 (9.33%) Clustering
5 6 (8.00%) Distributed Denial-of-Service
6 4 (5.33%) Management Information System
6 4 (5.33%) Replication
7 3 (4.00%) Computer Science
7 3 (4.00%) Field-Programmable Gate Array
7 3 (4.00%) STB
7 3 (4.00%) Verilog
7 3 (4.00%) VHDL
8 1 (1.33%) Cyber Attack
8 1 (1.33%) IPTV
8 1 (1.33%) iSeries
8 1 (1.33%) MPEG
8 1 (1.33%) Over-the-Top Content
8 1 (1.33%) PKI
8 1 (1.33%) Video on Demand
Operating Systems
1 23 (30.67%) Linux
2 19 (25.33%) Windows
3 10 (13.33%) Windows Server 2008
4 9 (12.00%) Windows Server
5 8 (10.67%) Windows 10
5 8 (10.67%) Windows 7
5 8 (10.67%) Windows Server 2012
6 4 (5.33%) CentOS
6 4 (5.33%) Windows Server 2003
7 3 (4.00%) Red Hat Enterprise Linux
7 3 (4.00%) Unix
8 2 (2.67%) Windows 8
9 1 (1.33%) Debian
9 1 (1.33%) Ubuntu
9 1 (1.33%) VyOS
Processes & Methodologies
1 26 (34.67%) Network Design
2 15 (20.00%) Continuous Improvement
3 13 (17.33%) Network Management
4 12 (16.00%) People Management
4 12 (16.00%) SOA
5 11 (14.67%) Load Balancing
6 9 (12.00%) Time Management
7 7 (9.33%) Network Monitoring
8 6 (8.00%) Migration
8 6 (8.00%) Test Automation
9 5 (6.67%) Configuration Management
9 5 (6.67%) Continuous Integration
9 5 (6.67%) DDoS Mitigation
9 5 (6.67%) E-Discovery
9 5 (6.67%) Penetration Testing
9 5 (6.67%) Project Management
10 4 (5.33%) Continuous Deployment
10 4 (5.33%) Hardware Maintenance
10 4 (5.33%) Server Virtualisation
10 4 (5.33%) Virtual Environments
Programming Languages
1 10 (13.33%) SQL
2 8 (10.67%) Lisp
3 7 (9.33%) Python
4 3 (4.00%) Tcl
5 2 (2.67%) Bash Shell
5 2 (2.67%) C
5 2 (2.67%) Java
5 2 (2.67%) JavaScript
5 2 (2.67%) Perl
5 2 (2.67%) PHP
5 2 (2.67%) PowerShell
5 2 (2.67%) Ruby
5 2 (2.67%) VB.NET
6 1 (1.33%) Shell Script
Qualifications
1 43 (57.33%) Cisco Certification
2 27 (36.00%) CCNP
3 24 (32.00%) CCIE
4 13 (17.33%) JNCIE
5 11 (14.67%) CCNA
6 8 (10.67%) Security Cleared
7 6 (8.00%) CCIE Routing and Switching
7 6 (8.00%) JNCIS
8 5 (6.67%) Degree
9 4 (5.33%) CISSP
9 4 (5.33%) GIAC
10 3 (4.00%) SC Cleared
11 2 (2.67%) CCDP
11 2 (2.67%) CCSE
11 2 (2.67%) Computer Science Degree
11 2 (2.67%) DV Cleared
11 2 (2.67%) JNCIP
12 1 (1.33%) CCIP
12 1 (1.33%) MCSE
12 1 (1.33%) Microsoft Certification
Quality Assurance & Compliance
1 2 (2.67%) QA
2 1 (1.33%) Disclosure Scotland
System Software
1 14 (18.67%) VMware Infrastructure
2 10 (13.33%) Hyper-V
3 9 (12.00%) Active Directory
4 5 (6.67%) Firmware
5 4 (5.33%) Docker
5 4 (5.33%) Virtual Servers
6 2 (2.67%) Virtual Desktop
6 2 (2.67%) XenApp
6 2 (2.67%) XenDesktop
Systems Management
1 8 (10.67%) Nagios
2 6 (8.00%) Cisco UCCX
3 5 (6.67%) EnCase
3 5 (6.67%) Opscode Chef
4 4 (5.33%) Puppet
5 3 (4.00%) Cisco CUCM
6 1 (1.33%) Ansible
6 1 (1.33%) FortiGate
6 1 (1.33%) Graphite
6 1 (1.33%) RANCID
Vendors
1 54 (72.00%) Cisco
2 21 (28.00%) Juniper
3 17 (22.67%) VMware
4 15 (20.00%) CheckPoint
5 13 (17.33%) Fortinet
6 9 (12.00%) Microsoft
7 8 (10.67%) Avaya
7 8 (10.67%) Citrix
7 8 (10.67%) HP
7 8 (10.67%) Infoblox
8 7 (9.33%) Aerohive Networks
8 7 (9.33%) Meraki
8 7 (9.33%) Red Hat
8 7 (9.33%) Riverbed
9 5 (6.67%) Dell
10 4 (5.33%) Acronis
10 4 (5.33%) Altiris
10 4 (5.33%) F5
10 4 (5.33%) SonicWALL
10 4 (5.33%) Sophos