The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for F5 BIG-IP LTM skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited F5 BIG-IP LTM over the 3 months to 30 March 2017 with a comparison to the same period in the previous 2 years.

F5 BIG-IP Local Traffic Manager (LTM)
London / City of London
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 213 246 305
Rank change year-on-year +33 +59  
Permanent jobs citing F5 BIG-IP LTM 15 17 22
As % of all permanent IT jobs advertised in the City of London 0.29% 0.24% 0.21%
As % of the Communications & Networking category 1.78% 1.61% 1.07%
Number of salaries quoted 15 15 21
Median salary £51,000 £72,500 £57,500
Median salary % change year-on-year -29.65% +26.08%  
90% offered a salary of more than £45,000 £55,000 £52,500
10% offered a salary of more than £64,000 £77,000 £69,500
UK excluding London median salary £57,500 £52,500 £52,500
% change year-on-year +9.52% -  

F5 BIG-IP LTM is in the communications and computer networking 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 communications and computer networking skills.

Communications & Computer Network Skills
City of London
Permanent job vacancies with a requirement for communications and computer networking skills 842 1058 2051
As % of all permanent IT job vacancies advertised in the City of London 16.27% 14.69% 19.71%
Number of salaries quoted 796 923 1714
Median salary £47,500 £52,500 £52,500
Median salary % change year-on-year -9.52% -  
90% offered a salary of more than £27,500 £32,500 £35,000
10% offered a salary of more than £75,000 £71,500 £80,000
UK excluding London median salary £40,000 £42,500 £41,500
% change year-on-year -5.88% +2.40%  

F5 BIG-IP LTM
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing F5 BIG-IP LTM as a proportion of all permanent or contract IT jobs with a match in the Communications & Networking category.

Job vacancy trend for F5 BIG-IP LTM in the City of London

F5 BIG-IP LTM
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing F5 BIG-IP LTM in the City of London.

Salary trend for F5 BIG-IP LTM in the City of London

F5 BIG-IP LTM
Salary Histogram in the City of London

The salary distribution of IT jobs citing F5 BIG-IP LTM in the City of London over the 3 months to 30 March 2017.

Salary histogram for F5 BIG-IP LTM in the City of London

For the 6 months to 30 March 2017, IT jobs citing F5 BIG-IP LTM 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 F5 BIG-IP LTM.

1 19 (100.00%) Cisco
1 19 (100.00%) F5
1 19 (100.00%) F5 BIG-IP GTM
2 18 (94.74%) Cisco ASA
3 17 (89.47%) Firewall
4 12 (63.16%) CheckPoint
4 12 (63.16%) BGP
4 12 (63.16%) Network Security
5 11 (57.89%) VMware Infrastructure
5 11 (57.89%) VMware
5 11 (57.89%) BIG-IP
5 11 (57.89%) DNS
6 10 (52.63%) 802.1X
7 9 (47.37%) Cisco Nexus
7 9 (47.37%) Wireless
7 9 (47.37%) Cisco Certification
7 9 (47.37%) CCNP
8 8 (42.11%) Data Centre
9 7 (36.84%) IPv4
9 7 (36.84%) IPv6
9 7 (36.84%) ITIL
9 7 (36.84%) MPLS
9 7 (36.84%) Clustering
9 7 (36.84%) FCoE
9 7 (36.84%) Fibre Channel
9 7 (36.84%) Network Design
10 5 (26.32%) CCSE
10 5 (26.32%) Cisco IOS
10 5 (26.32%) OSPF
10 5 (26.32%) Finance

F5 BIG-IP LTM
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 19 (100.00%) F5 BIG-IP GTM
2 18 (94.74%) Cisco ASA
3 17 (89.47%) Firewall
4 12 (63.16%) BGP
4 12 (63.16%) Network Security
5 11 (57.89%) BIG-IP
5 11 (57.89%) DNS
6 9 (47.37%) Cisco Nexus
6 9 (47.37%) Wireless
7 7 (36.84%) FCoE
7 7 (36.84%) Fibre Channel
7 7 (36.84%) IPv4
7 7 (36.84%) IPv6
7 7 (36.84%) MPLS
8 5 (26.32%) Cisco IOS
8 5 (26.32%) OSPF
9 4 (21.05%) DHCP
9 4 (21.05%) DMVPN
9 4 (21.05%) NetScreen
10 3 (15.79%) SNMP
General
1 5 (26.32%) Finance
Job Titles
1 10 (52.63%) Network Engineer
2 4 (21.05%) Check Point Specialist
2 4 (21.05%) Cisco Engineer
2 4 (21.05%) Cisco Network Engineer
2 4 (21.05%) Cisco Network Specialist
2 4 (21.05%) Cisco Security Specialist
2 4 (21.05%) Cisco Specialist
2 4 (21.05%) Network Security Specialist
2 4 (21.05%) Network Specialist
2 4 (21.05%) Security Specialist
3 3 (15.79%) Administrator
3 3 (15.79%) Network Administrator
3 3 (15.79%) Network Support
3 3 (15.79%) Network Support Engineer
3 3 (15.79%) Support Engineer
4 1 (5.26%) Consultant
4 1 (5.26%) Network Consultant
4 1 (5.26%) Network Security Engineer
4 1 (5.26%) Security Consultant
4 1 (5.26%) Senior Network Engineer
Libraries, Frameworks & Software Standards
1 10 (52.63%) 802.1X
Miscellaneous
1 8 (42.11%) Data Centre
2 7 (36.84%) Clustering
3 4 (21.05%) Fat Client
3 4 (21.05%) Thin Client
4 3 (15.79%) Computer Science
Operating Systems
1 5 (26.32%) Unix
2 4 (21.05%) Linux
Processes & Methodologies
1 7 (36.84%) ITIL
1 7 (36.84%) Network Design
2 4 (21.05%) E-Commerce
2 4 (21.05%) Line Management
2 4 (21.05%) Mentoring
3 3 (15.79%) Continuous Improvement
3 3 (15.79%) Kalman Filter
3 3 (15.79%) Root Cause Analysis
4 1 (5.26%) Change Control
4 1 (5.26%) Presales
Programming Languages
1 1 (5.26%) Python
Qualifications
1 9 (47.37%) CCNP
1 9 (47.37%) Cisco Certification
2 5 (26.32%) CCSE
3 3 (15.79%) Degree
4 1 (5.26%) JNCIP
System Software
1 11 (57.89%) VMware Infrastructure
2 3 (15.79%) Active Directory
Systems Management
1 1 (5.26%) FortiGate
Vendors
1 19 (100.00%) Cisco
1 19 (100.00%) F5
2 12 (63.16%) CheckPoint
3 11 (57.89%) VMware
4 5 (26.32%) Citrix
4 5 (26.32%) Microsoft
4 5 (26.32%) Palo Alto
5 4 (21.05%) Blue Coat
5 4 (21.05%) Imperva
5 4 (21.05%) Infoblox
6 2 (10.53%) Juniper
7 1 (5.26%) Aruba
7 1 (5.26%) Fortinet