Period
to 23 November 2017

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 6 months to 23 November 2017 with a comparison to the same period in the previous 2 years.

Firewall
South London > Croydon
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 13 22 39
Rank change year-on-year +9 +17 +8
Permanent jobs citing Firewall 43 41 23
As % of all permanent IT jobs advertised in Croydon 12.22% 9.38% 5.82%
As % of the Communications & Networking category 50.00% 28.28% 27.71%
Number of salaries quoted 40 42 19
Croydon median annual salary £38,500 £46,250 £42,500
Median salary % change year-on-year -16.76% +8.82% -6.59%
10th Percentile £17,000 £28,575 £32,500
90th Percentile £57,500 £52,250 £55,500
South London median annual salary £40,000 £47,500 £40,000
% change year-on-year -15.79% +18.75% +6.67%

Firewall is in the Communications and Computer Networking category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Croydon with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
Croydon
Permanent vacancies with a requirement for communications or computer networking skills 86 145 83
As % of all permanent IT jobs advertised in Croydon 24.43% 33.18% 21.01%
Number of salaries quoted 74 140 70
Croydon median annual salary £37,000 £44,000 £44,250
Median salary % change year-on-year -15.91% -0.56% -1.67%
10th Percentile £22,800 £24,500 £23,950
90th Percentile £62,625 £58,000 £57,625
South London median annual salary £40,000 £45,500 £42,500
% change year-on-year -12.09% +7.06% +6.25%

Firewall
Job Vacancy Trend in Croydon

Job postings citing Firewall as a percentage of all IT jobs advertised in Croydon.

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 6 months to 23 November 2017.

Salary histogram for Firewall in Croydon

For the 6 months to 23 November 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 28 (65.12%) Active Directory
2 27 (62.79%) Citrix
3 24 (55.81%) VMware
4 23 (53.49%) Windows
5 22 (51.16%) Cisco
6 21 (48.84%) Microsoft
7 20 (46.51%) Windows Server
8 17 (39.53%) WAN
9 15 (34.88%) LAN
10 14 (32.56%) VPN
10 14 (32.56%) Microsoft Certification
10 14 (32.56%) VMware Infrastructure
11 12 (27.91%) XenDesktop
11 12 (27.91%) SAN
11 12 (27.91%) CCNP
11 12 (27.91%) TCP/IP
11 12 (27.91%) Cisco Certification
11 12 (27.91%) Data Centre
12 11 (25.58%) ITIL
13 10 (23.26%) Microsoft Office
13 10 (23.26%) CCNA
13 10 (23.26%) VoIP
13 10 (23.26%) Windows Server 2008
14 9 (20.93%) DHCP
14 9 (20.93%) DNS
15 8 (18.60%) MS Exchange
15 8 (18.60%) Linux
15 8 (18.60%) XenApp
15 8 (18.60%) Microsoft Azure
15 8 (18.60%) Amazon AWS

Firewall
Co-occurring 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 8 (18.60%) MS Exchange
2 7 (16.28%) Exchange Server 2013
Applications
1 10 (23.26%) Microsoft Office
Cloud Services
1 8 (18.60%) Amazon AWS
1 8 (18.60%) Microsoft Azure
2 5 (11.63%) SaaS
3 3 (6.98%) Office 365
Communications & Networking
1 17 (39.53%) WAN
2 15 (34.88%) LAN
3 14 (32.56%) VPN
4 12 (27.91%) SAN
4 12 (27.91%) TCP/IP
5 10 (23.26%) VoIP
6 9 (20.93%) DHCP
6 9 (20.93%) DNS
7 7 (16.28%) NetScaler
7 7 (16.28%) Remote Desktop
8 6 (13.95%) MPLS
8 6 (13.95%) Network Security
9 5 (11.63%) IPsec
9 5 (11.63%) Skype
9 5 (11.63%) Unified Communications
10 3 (6.98%) BGP
10 3 (6.98%) Cisco ASA
10 3 (6.98%) EIGRP
10 3 (6.98%) OSPF
11 2 (4.65%) NetScreen
Database & Business Intelligence
1 3 (6.98%) SQL Server
2 1 (2.33%) Relational Database
2 1 (2.33%) SQL Server 2012
Development Applications
1 2 (4.65%) Atlassian Bamboo
1 2 (4.65%) Hudson
1 2 (4.65%) Jenkins
General
1 5 (11.63%) Finance
2 1 (2.33%) Banking
Job Titles
1 12 (27.91%) Network Engineer
2 10 (23.26%) Support Engineer
3 9 (20.93%) Citrix Engineer
4 7 (16.28%) 2nd Line Engineer
4 7 (16.28%) 2nd Line Support
4 7 (16.28%) 2nd Line Support Engineer
4 7 (16.28%) Infrastructure Manager
5 6 (13.95%) Citrix Support
5 6 (13.95%) Citrix Support Engineer
5 6 (13.95%) Exchange Engineer
5 6 (13.95%) Exchange Support
5 6 (13.95%) VMware Engineer
5 6 (13.95%) VMware Support Engineer
6 5 (11.63%) Analyst
6 5 (11.63%) Cisco Engineer
6 5 (11.63%) Cisco Network Engineer
6 5 (11.63%) Infrastructure Engineer
6 5 (11.63%) Senior Network Engineer
7 3 (6.98%) Service Analyst
7 3 (6.98%) Service Desk Analyst
Libraries, Frameworks & Software Standards
1 1 (2.33%) .NET
1 1 (2.33%) ASP.NET
1 1 (2.33%) HTML
Miscellaneous
1 12 (27.91%) Data Centre
2 2 (4.65%) Distributed Denial-of-Service
2 2 (4.65%) Fintech
3 1 (2.33%) Clustering
3 1 (2.33%) Replication
Operating Systems
1 23 (53.49%) Windows
2 20 (46.51%) Windows Server
3 10 (23.26%) Windows Server 2008
4 8 (18.60%) Linux
5 7 (16.28%) Windows 10
5 7 (16.28%) Windows 8
5 7 (16.28%) Windows XP
6 3 (6.98%) CentOS
7 2 (4.65%) Windows Server 2003
8 1 (2.33%) Apple iOS
8 1 (2.33%) Mac OS
8 1 (2.33%) Windows Server 2012
Processes & Methodologies
1 11 (25.58%) ITIL
2 5 (11.63%) ITIL V3
2 5 (11.63%) Performance Monitoring
3 4 (9.30%) Configuration Management
4 3 (6.98%) DevOps
4 3 (6.98%) Security Management
4 3 (6.98%) Security Operations
5 2 (4.65%) Agile Software Development
5 2 (4.65%) Benchmarking
5 2 (4.65%) Change Control
5 2 (4.65%) Continuous Improvement
5 2 (4.65%) Continuous Integration
5 2 (4.65%) High Availability
5 2 (4.65%) Load Balancing
5 2 (4.65%) Microservices
5 2 (4.65%) Open Source
5 2 (4.65%) SIEM
6 1 (2.33%) Ethical Hacking
6 1 (2.33%) Information Security
6 1 (2.33%) Security Architecture
Programming Languages
1 3 (6.98%) SQL
2 2 (4.65%) Go
2 2 (4.65%) Java
2 2 (4.65%) Python
2 2 (4.65%) Ruby
3 1 (2.33%) JavaScript
Qualifications
1 14 (32.56%) Microsoft Certification
2 12 (27.91%) CCNP
2 12 (27.91%) Cisco Certification
3 10 (23.26%) CCNA
4 7 (16.28%) CCA
4 7 (16.28%) Citrix Certification
4 7 (16.28%) MCSA
5 2 (4.65%) MCP
5 2 (4.65%) SC Cleared
5 2 (4.65%) Security Cleared
6 1 (2.33%) CEH
6 1 (2.33%) CISA
6 1 (2.33%) CISM
6 1 (2.33%) CISSP
6 1 (2.33%) JNCIP
6 1 (2.33%) JNCIS
6 1 (2.33%) SANS
Quality Assurance & Compliance
1 3 (6.98%) ISO/IEC 27001
2 2 (4.65%) ISO/IEC 20000
2 2 (4.65%) PCI DSS
System Software
1 28 (65.12%) Active Directory
2 14 (32.56%) VMware Infrastructure
3 12 (27.91%) XenDesktop
4 8 (18.60%) XenApp
5 6 (13.95%) Hyper-V
6 5 (11.63%) vCloud
Systems Management
1 7 (16.28%) FortiGate
2 2 (4.65%) Ansible
2 2 (4.65%) Opscode Chef
2 2 (4.65%) Puppet
2 2 (4.65%) Salt
Vendors
1 27 (62.79%) Citrix
2 24 (55.81%) VMware
3 22 (51.16%) Cisco
4 21 (48.84%) Microsoft
5 6 (13.95%) CheckPoint
6 5 (11.63%) Brocade
6 5 (11.63%) IBM
6 5 (11.63%) Palo Alto
7 4 (9.30%) SonicWALL
8 3 (6.98%) Juniper
9 2 (4.65%) WatchGuard
10 1 (2.33%) Fortinet
10 1 (2.33%) Oracle