The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for WAN Optimisation skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited WAN Optimisation over the 3 months to 23 June 2017 with a comparison to the same period in the previous 2 years.

WAN Optimization
London / City of London
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 226 257 310
Rank change year-on-year +31 +53  
Permanent jobs citing WAN Optimisation 9 1 5
As % of all permanent IT jobs advertised in the City of London 0.17% 0.016% 0.048%
As % of the Processes & Methodologies category 0.19% 0.017% 0.054%
Number of salaries quoted 9 1 5
Median salary £50,000 £60,000 £70,000
Median salary % change year-on-year -16.66% -14.28%  
UK excluding London median salary £55,000 £50,000 £45,000
% change year-on-year +10.00% +11.11%  

WAN Optimisation is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the City of London with a requirement for process and methodology skills.

Process & Methodology Skills
City of London
Permanent job vacancies with a requirement for process and methodology skills 4646 5760 9272
As % of all permanent IT job vacancies advertised in the City of London 89.26% 90.74% 89.27%
Number of salaries quoted 4110 5259 7938
Median salary £62,500 £60,000 £57,500
Median salary % change year-on-year +4.16% +4.34%  
90% offered a salary of more than £40,000 £40,000 £39,000
10% offered a salary of more than £85,000 £80,000 £85,000
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

WAN Optimisation
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing WAN Optimisation as a proportion of all permanent or contract IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for WAN Optimisation in the City of London

WAN Optimisation
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing WAN Optimisation in the City of London.

Salary trend for WAN Optimisation in the City of London

WAN Optimisation
Salary Histogram in the City of London

The salary distribution of IT jobs citing WAN Optimisation in the City of London over the 3 months to 23 June 2017.

Salary histogram for WAN Optimisation in the City of London

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

1 10 (100.00%) WAN
1 10 (100.00%) Cisco
1 10 (100.00%) Firewall
1 10 (100.00%) Wireless
2 9 (90.00%) Windows
3 7 (70.00%) CCNP
3 7 (70.00%) Cisco Certification
3 7 (70.00%) Load Balancing
3 7 (70.00%) Network Security
3 7 (70.00%) Riverbed
3 7 (70.00%) Palo Alto
4 6 (60.00%) Cisco Nexus
4 6 (60.00%) Cisco ASA
5 4 (40.00%) Data Centre
5 4 (40.00%) LAN
6 3 (30.00%) VoIP
6 3 (30.00%) WLAN
6 3 (30.00%) TCP/IP
6 3 (30.00%) VPN
6 3 (30.00%) SAN
6 3 (30.00%) Microsoft
6 3 (30.00%) ITIL
6 3 (30.00%) Citrix
6 3 (30.00%) MPLS
6 3 (30.00%) BGP
6 3 (30.00%) EIGRP
6 3 (30.00%) 802.1X
6 3 (30.00%) NetScaler
6 3 (30.00%) IT Strategy
6 3 (30.00%) Windows Server 2008

WAN Optimisation
Co-occurring IT Skills in the City of 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:

Communications & Networking
1 10 (100.00%) Firewall
1 10 (100.00%) WAN
1 10 (100.00%) Wireless
2 7 (70.00%) Network Security
3 6 (60.00%) Cisco ASA
3 6 (60.00%) Cisco Nexus
4 4 (40.00%) LAN
5 3 (30.00%) BGP
5 3 (30.00%) EIGRP
5 3 (30.00%) iSCSI
5 3 (30.00%) MPLS
5 3 (30.00%) NetScaler
5 3 (30.00%) SAN
5 3 (30.00%) TCP/IP
5 3 (30.00%) VoIP
5 3 (30.00%) VPN
5 3 (30.00%) WLAN
6 1 (10.00%) Cisco Wireless
6 1 (10.00%) DNS
6 1 (10.00%) Internet
General
1 3 (30.00%) Finance
Job Titles
1 7 (70.00%) Network Engineer
1 7 (70.00%) Network Security Engineer
1 7 (70.00%) Security Engineer
2 3 (30.00%) Architect
2 3 (30.00%) Network Architect
3 1 (10.00%) Firewall Engineer
3 1 (10.00%) Senior Network Engineer
3 1 (10.00%) Senior Network Security Engineer
3 1 (10.00%) Senior Security Engineer
Libraries, Frameworks & Software Standards
1 3 (30.00%) 802.1X
Miscellaneous
1 4 (40.00%) Data Centre
2 1 (10.00%) Replication
Operating Systems
1 9 (90.00%) Windows
2 3 (30.00%) Windows 7
2 3 (30.00%) Windows Server 2008
Processes & Methodologies
1 7 (70.00%) Load Balancing
2 3 (30.00%) Incident Management
2 3 (30.00%) IT Strategy
2 3 (30.00%) ITIL
2 3 (30.00%) Network Architecture
3 1 (10.00%) Network Design
3 1 (10.00%) Network Monitoring
Qualifications
1 7 (70.00%) CCNP
1 7 (70.00%) Cisco Certification
System Software
1 3 (30.00%) vSphere
2 1 (10.00%) ProxySG
Systems Management
1 1 (10.00%) Cisco Prime
Vendors
1 10 (100.00%) Cisco
2 7 (70.00%) Palo Alto
2 7 (70.00%) Riverbed
3 3 (30.00%) Citrix
3 3 (30.00%) Microsoft
3 3 (30.00%) VMware
4 1 (10.00%) Blue Coat
4 1 (10.00%) CheckPoint
4 1 (10.00%) F5
4 1 (10.00%) Fortinet
4 1 (10.00%) SolarWinds