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 3 months to 23 April 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)
England / London
3 months to
23 Apr 2017
Same period 2016 Same period 2015
Rank 386 439 415
Rank change year-on-year +53 -24  
Contract jobs citing IPv4 27 5 5
As % of all contract IT jobs advertised in London 0.13% 0.022% 0.022%
As % of the Communications & Networking category 1.14% 0.17% 0.17%
Number of daily rates quoted 23 3 2
Median daily rate £450 £375 £420
Median daily rate % change year-on-year +20.00% -10.71%  
90% offered a daily rate of more than £350 £355 £356
10% offered a daily rate of more than £595 £379 £484
UK excluding London median daily rate £343 £288 £300
% change year-on-year +19.13% -4.16%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £43.50 - £36.00

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 London with a requirement for communications and computer networking skills.

Contract Communications & Computer Network Skills
London
Contract job vacancies with a requirement for communications and computer networking skills 2377 2934 3020
As % of all contract IT job vacancies advertised in London 11.60% 12.67% 13.49%
Number of daily rates quoted 1562 2018 1938
Median daily rate £450 £425 £375
Median daily rate % change year-on-year +5.88% +13.33%  
90% offered a daily rate of more than £250 £250 £225
10% offered a daily rate of more than £575 £550 £550
UK excluding London median daily rate £380 £363 £340
% change year-on-year +4.82% +6.61%  
Number of hourly rates quoted 67 48 81
Median hourly rate £27.00 £21.34 £27.32
Median hourly rate % change year-on-year +26.52% -21.87%  
90% offered a hourly rate of more than £17.00 £13.13 £14.00
10% offered a hourly rate of more than £50.00 £31.00 £50.00
UK excluding London median hourly rate £23.95 £35.00 £30.00
% change year-on-year -31.57% +16.66%  

IPv4
Job Vacancy Trend in London

The job posting trend of jobs advertised in London 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 London

IPv4
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for IPv4 in London

IPv4
Contractor Daily Rate Histogram in London

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

Contractor 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 3 months to 23 April 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
City of London +3 2 £450 +28.57% 1
West End of London - 1 - -
IPv4
England

For the 6 months to 23 April 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 London region with a requirement for IPv4.

1 41 (89.13%) IPv6
2 38 (82.61%) Cisco
3 37 (80.43%) Firewall
4 28 (60.87%) OSPF
4 28 (60.87%) BGP
5 27 (58.70%) VPN
5 27 (58.70%) Network Security
6 26 (56.52%) Cisco Certification
6 26 (56.52%) MPLS
7 19 (41.30%) Wireless
7 19 (41.30%) Network Design
7 19 (41.30%) DNS
7 19 (41.30%) WAN
7 19 (41.30%) LAN
8 18 (39.13%) TCP/IP
9 17 (36.96%) VLAN
10 16 (34.78%) Linux
10 16 (34.78%) CCNP
10 16 (34.78%) CheckPoint
11 15 (32.61%) VMware
12 14 (30.43%) DHCP
12 14 (30.43%) Cisco ASA
13 13 (28.26%) VMware Infrastructure
13 13 (28.26%) Microsoft Azure
13 13 (28.26%) Fortinet
13 13 (28.26%) Cisco IOS
13 13 (28.26%) Analytical Skills
13 13 (28.26%) Windows
14 12 (26.09%) SNMP
15 11 (23.91%) Internet

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 4 (8.70%) Exchange Server 2013
1 4 (8.70%) SharePoint
2 3 (6.52%) nginx
3 1 (2.17%) Apache
3 1 (2.17%) MS Exchange
3 1 (2.17%) Traffic Server
Cloud Services
1 13 (28.26%) Microsoft Azure
2 11 (23.91%) Amazon AWS
3 7 (15.22%) Virtual Private Cloud
4 3 (6.52%) Office 365
Communications & Networking
1 41 (89.13%) IPv6
2 37 (80.43%) Firewall
3 28 (60.87%) BGP
3 28 (60.87%) OSPF
4 27 (58.70%) Network Security
4 27 (58.70%) VPN
5 26 (56.52%) MPLS
6 19 (41.30%) DNS
6 19 (41.30%) LAN
6 19 (41.30%) WAN
6 19 (41.30%) Wireless
7 18 (39.13%) TCP/IP
8 17 (36.96%) VLAN
9 14 (30.43%) Cisco ASA
9 14 (30.43%) DHCP
10 13 (28.26%) Cisco IOS
11 12 (26.09%) SNMP
12 11 (23.91%) Internet
13 10 (21.74%) ICMP
14 9 (19.57%) Ethernet
General
1 10 (21.74%) Military
2 7 (15.22%) Telecoms
3 6 (13.04%) Retail
4 5 (10.87%) Legal
5 4 (8.70%) Advertising
6 3 (6.52%) Banking
6 3 (6.52%) Finance
Job Titles
1 13 (28.26%) Architect
1 13 (28.26%) Network Architect
2 10 (21.74%) Network Engineer
3 7 (15.22%) Analyst
3 7 (15.22%) Cisco Architect
3 7 (15.22%) Cisco Network Architect
4 6 (13.04%) Administrator
4 6 (13.04%) Cisco Analyst
4 6 (13.04%) Cisco Network Analyst
4 6 (13.04%) Information Security Administrator
4 6 (13.04%) Network Administrator
4 6 (13.04%) Network Analyst
4 6 (13.04%) Network Security Administrator
4 6 (13.04%) Security Administrator
4 6 (13.04%) Telecoms Architect
5 5 (10.87%) Senior Network Engineer
6 4 (8.70%) Software Engineer
7 3 (6.52%) Infrastructure Engineer
7 3 (6.52%) Network Designer
7 3 (6.52%) Support Engineer
Libraries, Frameworks & Software Standards
1 7 (15.22%) 802.1X
2 3 (6.52%) ExaBGP
2 3 (6.52%) POSIX
2 3 (6.52%) Web Services
3 1 (2.17%) Core Data
Miscellaneous
1 13 (28.26%) Analytical Skills
2 9 (19.57%) Hybrid Cloud
3 8 (17.39%) Data Centre
4 7 (15.22%) Clustering
4 7 (15.22%) Distributed Denial-of-Service
5 3 (6.52%) Computer Science
5 3 (6.52%) Management Information System
5 3 (6.52%) PKI
6 2 (4.35%) iSeries
6 2 (4.35%) MPEG
Operating Systems
1 16 (34.78%) Linux
2 13 (28.26%) Windows
3 10 (21.74%) Windows Server 2008
4 8 (17.39%) Windows 10
4 8 (17.39%) Windows 7
4 8 (17.39%) Windows Server 2012
5 7 (15.22%) Windows Server
6 5 (10.87%) Unix
7 4 (8.70%) Windows Server 2003
8 3 (6.52%) CentOS
8 3 (6.52%) Red Hat Enterprise Linux
9 2 (4.35%) Windows 8
10 1 (2.17%) Mac OS X
Processes & Methodologies
1 19 (41.30%) Network Design
2 11 (23.91%) Load Balancing
3 10 (21.74%) Continuous Improvement
4 9 (19.57%) Network Management
4 9 (19.57%) People Management
4 9 (19.57%) SOA
5 8 (17.39%) Time Management
6 7 (15.22%) Information Security
6 7 (15.22%) Network Monitoring
7 5 (10.87%) DDoS Mitigation
7 5 (10.87%) E-Discovery
7 5 (10.87%) Penetration Testing
8 4 (8.70%) Disaster Recovery
8 4 (8.70%) Load Testing
8 4 (8.70%) Mentoring
8 4 (8.70%) Performance Monitoring
8 4 (8.70%) Project Management
8 4 (8.70%) Server Virtualisation
8 4 (8.70%) Software Engineering
8 4 (8.70%) Virtual Environments
Programming Languages
1 4 (8.70%) C
1 4 (8.70%) Java
1 4 (8.70%) Python
1 4 (8.70%) SQL
2 3 (6.52%) Shell Script
3 2 (4.35%) Lisp
Qualifications
1 26 (56.52%) Cisco Certification
2 16 (34.78%) CCNP
3 11 (23.91%) CCNA
4 10 (21.74%) CCIE
4 10 (21.74%) JNCIE
5 6 (13.04%) CISSP
6 5 (10.87%) GIAC
7 3 (6.52%) Degree
8 2 (4.35%) CCSE
8 2 (4.35%) DV Cleared
8 2 (4.35%) JNCIP
8 2 (4.35%) Security Cleared
9 1 (2.17%) CCDP
9 1 (2.17%) CCSA
Quality Assurance & Compliance
1 1 (2.17%) Disclosure Scotland
System Software
1 13 (28.26%) VMware Infrastructure
2 7 (15.22%) Active Directory
2 7 (15.22%) Hyper-V
3 4 (8.70%) Firmware
3 4 (8.70%) Virtual Servers
4 2 (4.35%) Virtual Desktop
4 2 (4.35%) XenApp
4 2 (4.35%) XenDesktop
Systems Management
1 8 (17.39%) Nagios
2 6 (13.04%) Cisco UCCX
3 5 (10.87%) EnCase
4 3 (6.52%) Cisco CUCM
4 3 (6.52%) Graphite
5 1 (2.17%) Ansible
5 1 (2.17%) OpenView
5 1 (2.17%) Opscode Chef
5 1 (2.17%) RANCID
Vendors
1 38 (82.61%) Cisco
2 16 (34.78%) CheckPoint
3 15 (32.61%) VMware
4 13 (28.26%) Fortinet
5 9 (19.57%) Juniper
6 8 (17.39%) Avaya
6 8 (17.39%) Citrix
6 8 (17.39%) HP
6 8 (17.39%) Infoblox
7 7 (15.22%) Aerohive Networks
7 7 (15.22%) Meraki
8 6 (13.04%) Microsoft
8 6 (13.04%) Red Hat
9 5 (10.87%) Riverbed
10 4 (8.70%) Acronis
10 4 (8.70%) Altiris
10 4 (8.70%) Dell
10 4 (8.70%) Rackspace
10 4 (8.70%) Sophos
11 3 (6.52%) SonicWALL