The following table provides summary statistics for permanent job vacancies advertised in Twickenham 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 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
24 Mar 2017
Same period 2016 Same period 2015
Firewall
London / Twickenham
Rank - 19 13
Permanent jobs citing Firewall 0 2 4
As % of all permanent IT jobs advertised in Twickenham - 2.56% 5.97%
As % of the Communications & Networking category - 18.18% 33.33%
Number of salaries quoted 0 2 4
Median salary - £35,000 £57,500
Median salary % change year-on-year - -39.13%  
UK excluding London median salary £40,000 £42,500 £41,500
% change year-on-year -5.88% +2.40%  

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 Twickenham with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
Twickenham
Permanent job vacancies with a requirement for communications and computer networking skills 11 11 12
As % of all permanent IT job vacancies advertised in Twickenham 21.15% 14.10% 17.91%
Number of salaries quoted 11 11 11
Median salary £50,000 £40,000 £55,000
Median salary % change year-on-year +25.00% -27.27%  
UK excluding London median salary £40,000 £42,500 £41,000
% change year-on-year -5.88% +3.65%  

Firewall
Job Vacancy Trend in Twickenham

The job posting trend of jobs advertised in Twickenham 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 Twickenham

Firewall
Salary Trend in Twickenham

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

Salary trend for Firewall in Twickenham

Firewall
Top 30 Related IT Skills in Twickenham

For the 6 months to 24 March 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 Twickenham region with a requirement for Firewall.

1 4 (66.67%) Windows
1 4 (66.67%) Cisco
1 4 (66.67%) Splunk
2 3 (50.00%) VPN
2 3 (50.00%) CCNA
2 3 (50.00%) LAN
2 3 (50.00%) SQL
2 3 (50.00%) ITIL
2 3 (50.00%) Cisco Certification
2 3 (50.00%) Internet
3 2 (33.33%) Nagios
3 2 (33.33%) Wireless
3 2 (33.33%) HTML
3 2 (33.33%) Java
3 2 (33.33%) Python
3 2 (33.33%) MS Excel
3 2 (33.33%) T-SQL
3 2 (33.33%) .NET
3 2 (33.33%) Oracle
3 2 (33.33%) SQL Server
3 2 (33.33%) IIS
3 2 (33.33%) SOAP
3 2 (33.33%) XML
3 2 (33.33%) WLAN
3 2 (33.33%) HP
3 2 (33.33%) Microsoft
3 2 (33.33%) Software Engineering
3 2 (33.33%) Finance
3 2 (33.33%) Windows Server 2008
3 2 (33.33%) PowerShell

Firewall
Top Related IT Skills in Twickenham 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 2 (33.33%) IIS
2 1 (16.67%) Exchange Server 2003
2 1 (16.67%) Exchange Server 2010
2 1 (16.67%) MS Exchange
Applications
1 2 (33.33%) MS Excel
Cloud Services
1 1 (16.67%) Dropbox
1 1 (16.67%) Microsoft Azure
1 1 (16.67%) Office 365
Communications & Networking
1 3 (50.00%) Internet
1 3 (50.00%) LAN
1 3 (50.00%) VPN
2 2 (33.33%) Cisco ASA
2 2 (33.33%) Cisco ISE
2 2 (33.33%) Fibre Channel
2 2 (33.33%) Wireless
2 2 (33.33%) WLAN
3 1 (16.67%) Cisco IOS
3 1 (16.67%) DHCP
3 1 (16.67%) DNS
3 1 (16.67%) HTTP
3 1 (16.67%) SAN
3 1 (16.67%) SMTP
3 1 (16.67%) SNMP
3 1 (16.67%) Spanning Tree
3 1 (16.67%) TCP/IP
3 1 (16.67%) VLAN
3 1 (16.67%) WAN
3 1 (16.67%) Wi-Fi
Database & Business Intelligence
1 2 (33.33%) SQL Server
General
1 2 (33.33%) Finance
2 1 (16.67%) Telecoms
Job Titles
1 2 (33.33%) Administrator
1 2 (33.33%) Applications Engineer
1 2 (33.33%) Applications Support
1 2 (33.33%) Applications Support Engineer
1 2 (33.33%) Network Engineer
1 2 (33.33%) Software Engineer
1 2 (33.33%) Software Support Engineer
1 2 (33.33%) Support Engineer
2 1 (16.67%) 3rd Line Server Support
2 1 (16.67%) Application Support Team Leader
2 1 (16.67%) Cloud Administrator
2 1 (16.67%) Desktop Administrator
2 1 (16.67%) Desktop Support Administrator
2 1 (16.67%) IT Analyst
2 1 (16.67%) IT Infrastructure Analyst
2 1 (16.67%) IT Support
2 1 (16.67%) Lead Software Engineer
2 1 (16.67%) Software Analyst
2 1 (16.67%) Software Support Analyst
2 1 (16.67%) Software Team Leader
Libraries, Frameworks & Software Standards
1 2 (33.33%) .NET
1 2 (33.33%) HTML
1 2 (33.33%) SOAP
1 2 (33.33%) XML
2 1 (16.67%) 802.1X
Miscellaneous
1 1 (16.67%) Analytical Skills
1 1 (16.67%) Computer Science
Operating Systems
1 4 (66.67%) Windows
2 2 (33.33%) Windows Server 2008
3 1 (16.67%) Android
3 1 (16.67%) Mac OS X
3 1 (16.67%) Windows 7
3 1 (16.67%) Windows Server
3 1 (16.67%) Windows Server 2003
Processes & Methodologies
1 3 (50.00%) ITIL
2 2 (33.33%) Software Engineering
3 1 (16.67%) Change Management
3 1 (16.67%) Contingency Planning
3 1 (16.67%) CRM
3 1 (16.67%) Network Management
3 1 (16.67%) PRINCE2
3 1 (16.67%) TOGAF
Programming Languages
1 3 (50.00%) SQL
2 2 (33.33%) Java
2 2 (33.33%) PowerShell
2 2 (33.33%) Python
2 2 (33.33%) T-SQL
Qualifications
1 3 (50.00%) CCNA
1 3 (50.00%) Cisco Certification
2 1 (16.67%) CISSP
2 1 (16.67%) Degree
2 1 (16.67%) MCITP
2 1 (16.67%) MCP
2 1 (16.67%) MCSA
2 1 (16.67%) Microsoft Certification
2 1 (16.67%) PMI Certification
2 1 (16.67%) PMP
Quality Assurance & Compliance
1 2 (33.33%) SLA
System Software
1 1 (16.67%) Active Directory
1 1 (16.67%) VMware Infrastructure
1 1 (16.67%) VMware Workstation
Systems Management
1 2 (33.33%) Nagios
1 2 (33.33%) Opsview
2 1 (16.67%) FortiGate
Vendors
1 4 (66.67%) Cisco
1 4 (66.67%) Splunk
2 2 (33.33%) HP
2 2 (33.33%) Microsoft
2 2 (33.33%) Oracle
3 1 (16.67%) Aruba
3 1 (16.67%) Avaya
3 1 (16.67%) Citrix
3 1 (16.67%) Mitel
3 1 (16.67%) VMware