The following table provides summary statistics for permanent job vacancies advertised in Croydon 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 23 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
23 Mar 2017
Same period 2016 Same period 2015
Firewall
London / Croydon
Rank 29 34 29
Rank change year-on-year +5 -5  
Permanent jobs citing Firewall 6 11 5
As % of all permanent IT jobs advertised in Croydon 3.47% 4.31% 3.23%
As % of the Communications & Networking category 25.00% 18.03% 15.63%
Number of salaries quoted 6 8 5
Median salary £50,000 £40,000 £42,500
Median salary % change year-on-year +25.00% -5.88%  
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 Croydon with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
Croydon
Permanent job vacancies with a requirement for communications and computer networking skills 24 61 32
As % of all permanent IT job vacancies advertised in Croydon 13.87% 23.92% 20.65%
Number of salaries quoted 21 56 31
Median salary £52,500 £43,750 £42,500
Median salary % change year-on-year +20.00% +2.94%  
90% offered a salary of more than £33,500 £25,950 £25,500
10% offered a salary of more than £57,500 £60,000 £60,000
UK excluding London median salary £40,000 £42,500 £41,000
% change year-on-year -5.88% +3.65%  

Firewall
Job Vacancy Trend in Croydon

The job posting trend of jobs advertised in Croydon 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 Croydon

Firewall
Salary Trend in Croydon

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

Salary trend for Firewall in Croydon

Firewall
Salary Histogram in Croydon

The salary distribution of IT jobs citing Firewall in Croydon over the 3 months to 23 March 2017.

Salary histogram for Firewall in Croydon

Firewall
Top 30 Related IT Skills in Croydon

For the 6 months to 23 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 Croydon region with a requirement for Firewall.

1 14 (73.68%) Cisco
2 12 (63.16%) Juniper
3 11 (57.89%) OSPF
3 11 (57.89%) BGP
3 11 (57.89%) Cisco Certification
4 10 (52.63%) CCNP
4 10 (52.63%) VoIP
4 10 (52.63%) EIGRP
5 8 (42.11%) CheckPoint
5 8 (42.11%) VPN
5 8 (42.11%) Network Security
6 7 (36.84%) WatchGuard
6 7 (36.84%) Cisco ASA
6 7 (36.84%) SonicWALL
6 7 (36.84%) Network Design
6 7 (36.84%) Analytical Skills
6 7 (36.84%) HP
7 6 (31.58%) CCNA
7 6 (31.58%) NetScreen
7 6 (31.58%) Cisco IOS
8 5 (26.32%) SolarWinds
8 5 (26.32%) Cisco Nexus
8 5 (26.32%) HAProxy
8 5 (26.32%) WAN
8 5 (26.32%) LAN
9 4 (21.05%) Windows
9 4 (21.05%) DNS
9 4 (21.05%) DHCP
9 4 (21.05%) Active Directory
9 4 (21.05%) FortiGate

Firewall
Top Related IT Skills in Croydon 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 (10.53%) Apache
1 2 (10.53%) MS Exchange
2 1 (5.26%) Exchange Server 2003
2 1 (5.26%) Exchange Server 2010
Communications & Networking
1 11 (57.89%) BGP
1 11 (57.89%) OSPF
2 10 (52.63%) EIGRP
2 10 (52.63%) VoIP
3 8 (42.11%) Network Security
3 8 (42.11%) VPN
4 7 (36.84%) Cisco ASA
5 6 (31.58%) Cisco IOS
5 6 (31.58%) NetScreen
6 5 (26.32%) Cisco Nexus
6 5 (26.32%) LAN
6 5 (26.32%) WAN
7 4 (21.05%) DHCP
7 4 (21.05%) DNS
7 4 (21.05%) FabricPath
7 4 (21.05%) MPLS
7 4 (21.05%) VLAN
8 3 (15.79%) RSVP
8 3 (15.79%) TCP/IP
8 3 (15.79%) Wireless
Database & Business Intelligence
1 2 (10.53%) MySQL
Development Applications
1 1 (5.26%) Subversion
General
1 3 (15.79%) Telecoms
2 1 (5.26%) Retail
Job Titles
1 11 (57.89%) Network Engineer
2 6 (31.58%) Administrator
2 6 (31.58%) Systems Administrator
3 4 (21.05%) 3rd Line Server Support
3 4 (21.05%) 3rd Line Support
3 4 (21.05%) Server Administrator
3 4 (21.05%) Server Support
3 4 (21.05%) Systems Support
4 3 (15.79%) 2nd Line Engineer
4 3 (15.79%) 2nd/3rd Line Support
4 3 (15.79%) Firewall Administrator
4 3 (15.79%) Firewall Support
4 3 (15.79%) Graduate
4 3 (15.79%) Graduate Systems Administrator
4 3 (15.79%) Juniper Engineer
4 3 (15.79%) Windows Administrator
4 3 (15.79%) Windows Server Administrator
4 3 (15.79%) Windows Server Support
4 3 (15.79%) Windows Systems Administrator
5 2 (10.53%) Cisco Engineer
Libraries, Frameworks & Software Standards
1 2 (10.53%) LAMP
2 1 (5.26%) 802.1X
Miscellaneous
1 7 (36.84%) Analytical Skills
2 1 (5.26%) Clustering
2 1 (5.26%) Data Centre
Operating Systems
1 4 (21.05%) Windows
2 3 (15.79%) Windows Server
3 2 (10.53%) CentOS
3 2 (10.53%) Linux
4 1 (5.26%) Windows Server 2003
4 1 (5.26%) Windows Server 2008
Processes & Methodologies
1 7 (36.84%) Network Design
2 2 (10.53%) Network Management
3 1 (5.26%) Contingency Planning
3 1 (5.26%) ITIL
3 1 (5.26%) Migration
3 1 (5.26%) Network Architecture
3 1 (5.26%) Network Monitoring
3 1 (5.26%) PRINCE2
Programming Languages
1 2 (10.53%) Bash Shell
1 2 (10.53%) PHP
2 1 (5.26%) Lua
2 1 (5.26%) Perl
2 1 (5.26%) SQL
Qualifications
1 11 (57.89%) Cisco Certification
2 10 (52.63%) CCNP
3 6 (31.58%) CCNA
4 4 (21.05%) JNCIP
5 3 (15.79%) JNCIS
6 2 (10.53%) CCDP
6 2 (10.53%) CCSA
6 2 (10.53%) CCSE
7 1 (5.26%) JNCIA
System Software
1 4 (21.05%) Active Directory
2 2 (10.53%) iptables
2 2 (10.53%) VMware Infrastructure
3 1 (5.26%) Kamailio
3 1 (5.26%) Virtual Machines
3 1 (5.26%) VMware ESXi
3 1 (5.26%) VMware Workstation
Systems Management
1 5 (26.32%) HAProxy
2 4 (21.05%) FortiGate
3 2 (10.53%) Nagios
4 1 (5.26%) Opscode Chef
Vendors
1 14 (73.68%) Cisco
2 12 (63.16%) Juniper
3 8 (42.11%) CheckPoint
4 7 (36.84%) HP
4 7 (36.84%) SonicWALL
4 7 (36.84%) WatchGuard
5 5 (26.32%) SolarWinds
6 4 (21.05%) F5
6 4 (21.05%) Riverbed
7 3 (15.79%) Fortinet
8 2 (10.53%) Meraki
8 2 (10.53%) VMware
9 1 (5.26%) Avaya
9 1 (5.26%) Citrix
9 1 (5.26%) Dell
9 1 (5.26%) Dialogic
9 1 (5.26%) Extreme Networks
9 1 (5.26%) Microsoft
9 1 (5.26%) Mitel
9 1 (5.26%) Palo Alto