The following table provides summary statistics for permanent job vacancies advertised in Sidcup with a requirement for Firewall skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Firewall over the 3 months to 24 June 2017 with a comparison to the same period in the previous 2 years.

Firewall
London / Sidcup
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 4 12 15
Rank change year-on-year +8 +3  
Permanent jobs citing Firewall 1 3 1
As % of all permanent IT jobs advertised in Sidcup 12.50% 6.12% 3.85%
As % of the Communications & Networking category 33.33% 25.00% 5.26%
Number of salaries quoted 1 3 1
Median salary £31,500 £38,500 £52,500
Median salary % change year-on-year -18.18% -26.66%  
UK excluding London median salary £42,500 £42,000 £42,000
% change year-on-year +1.19% -  

Firewall 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 Sidcup with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
Sidcup
Permanent job vacancies with a requirement for communications and computer networking skills 3 12 19
As % of all permanent IT job vacancies advertised in Sidcup 37.50% 24.49% 73.08%
Number of salaries quoted 3 12 19
Median salary £47,500 £53,500 £50,500
Median salary % change year-on-year -11.21% +5.94%  
UK excluding London median salary £42,500 £42,500 £42,000
% change year-on-year - +1.19%  

Firewall
Job Vacancy Trend in Sidcup

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

Job vacancy trend for Firewall in Sidcup

Firewall
Salary Trend in Sidcup

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Firewall in Sidcup.

Salary trend for Firewall in Sidcup

For the 6 months to 24 June 2017, IT jobs citing Firewall 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 Sidcup region with a requirement for Firewall.

1 1 (100.00%) Windows
1 1 (100.00%) MS Exchange
1 1 (100.00%) VoIP
1 1 (100.00%) TCP/IP
1 1 (100.00%) DNS
1 1 (100.00%) Active Directory
1 1 (100.00%) Windows Server 2003
1 1 (100.00%) VMware
1 1 (100.00%) Smartphone
1 1 (100.00%) Exchange Server 2007
1 1 (100.00%) Hyper-V
1 1 (100.00%) Windows 7
1 1 (100.00%) vSphere
1 1 (100.00%) Office 365
1 1 (100.00%) Windows 8
1 1 (100.00%) Windows Server 2012
1 1 (100.00%) Exchange Server 2013
1 1 (100.00%) Windows 10

Firewall
Co-occurring IT Skills in Sidcup 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 1 (100.00%) Exchange Server 2007
1 1 (100.00%) Exchange Server 2013
1 1 (100.00%) MS Exchange
Cloud Services
1 1 (100.00%) Office 365
Communications & Networking
1 1 (100.00%) DNS
1 1 (100.00%) TCP/IP
1 1 (100.00%) VoIP
Job Titles
1 1 (100.00%) 2nd Line Engineer
1 1 (100.00%) 2nd Line Support
1 1 (100.00%) 2nd Line Support Engineer
1 1 (100.00%) Support Engineer
Miscellaneous
1 1 (100.00%) Smartphone
Operating Systems
1 1 (100.00%) Windows
1 1 (100.00%) Windows 10
1 1 (100.00%) Windows 7
1 1 (100.00%) Windows 8
1 1 (100.00%) Windows Server 2003
1 1 (100.00%) Windows Server 2012
System Software
1 1 (100.00%) Active Directory
1 1 (100.00%) Hyper-V
1 1 (100.00%) vSphere
Vendors
1 1 (100.00%) VMware