Period
to 17 December 2017

The following table provides summary statistics for permanent job vacancies advertised in Croydon with a requirement for Network Security skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Network Security over the 6 months to 17 December 2017 with a comparison to the same period in the previous 2 years.

Network Security
South London > Croydon
6 months to
17 Dec 2017
Same period 2016 Same period 2015
Rank 37 51 45
Rank change year-on-year +14 -6 +9
Permanent jobs citing Network Security 13 7 20
As % of all permanent IT jobs advertised in Croydon 3.72% 1.71% 4.60%
As % of the Communications & Networking category 15.66% 5.47% 20.62%
Number of salaries quoted 12 6 16
Croydon median annual salary £53,750 £47,500 £52,500
Median salary % change year-on-year +13.16% -9.52% +10.53%
10th Percentile £37,975 £45,000 £32,500
90th Percentile £59,500 £60,000 £53,750
South London median annual salary £55,000 £47,500 £45,000
% change year-on-year +15.79% +5.56% -5.26%

Network Security 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 83 128 97
As % of all permanent IT jobs advertised in Croydon 23.78% 31.22% 22.30%
Number of salaries quoted 71 121 87
Croydon median annual salary £41,500 £44,000 £43,500
Median salary % change year-on-year -5.68% +1.15% +8.75%
10th Percentile £26,000 £24,500 £23,694
90th Percentile £75,000 £58,000 £58,750
South London median annual salary £40,000 £45,000 £42,500
% change year-on-year -11.11% +5.88% +6.25%

Network Security
Job Vacancy Trend in Croydon

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

Job vacancy trend for Network Security in Croydon

Network Security
Salary Trend in Croydon

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

Salary trend for Network Security in Croydon

Network Security
Salary Histogram in Croydon

The salary distribution of IT jobs citing Network Security in Croydon over the 6 months to 17 December 2017.

Salary histogram for Network Security in Croydon

For the 6 months to 17 December 2017, IT jobs citing Network Security 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 Network Security.

1 10 (76.92%) ITIL
1 10 (76.92%) Data Centre
2 8 (61.54%) VoIP
2 8 (61.54%) WAN
2 8 (61.54%) DHCP
2 8 (61.54%) TCP/IP
2 8 (61.54%) VPN
2 8 (61.54%) DNS
2 8 (61.54%) Microsoft
2 8 (61.54%) Firewall
3 7 (53.85%) IPsec
3 7 (53.85%) SaaS
3 7 (53.85%) Unified Communications
3 7 (53.85%) ITIL V3
3 7 (53.85%) FortiGate
3 7 (53.85%) Performance Monitoring
3 7 (53.85%) LAN
3 7 (53.85%) CCNP
3 7 (53.85%) CCNA
3 7 (53.85%) Cisco
3 7 (53.85%) Citrix
3 7 (53.85%) Cisco Certification
3 7 (53.85%) CheckPoint
3 7 (53.85%) MPLS
3 7 (53.85%) Skype
4 6 (46.15%) Windows
5 4 (30.77%) Benchmarking
5 4 (30.77%) Configuration Management
5 4 (30.77%) Change Control
6 3 (23.08%) Transition Management

Network Security
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 1 (7.69%) Confluence
1 1 (7.69%) MS Exchange
Cloud Services
1 7 (53.85%) SaaS
Communications & Networking
1 8 (61.54%) DHCP
1 8 (61.54%) DNS
1 8 (61.54%) Firewall
1 8 (61.54%) TCP/IP
1 8 (61.54%) VoIP
1 8 (61.54%) VPN
1 8 (61.54%) WAN
2 7 (53.85%) IPsec
2 7 (53.85%) LAN
2 7 (53.85%) MPLS
2 7 (53.85%) Skype
2 7 (53.85%) Unified Communications
3 2 (15.38%) Software-Defined Networking
4 1 (7.69%) Kerberos
Database & Business Intelligence
1 1 (7.69%) Big Data
1 1 (7.69%) Hadoop
1 1 (7.69%) PostgreSQL
1 1 (7.69%) SQL Server
1 1 (7.69%) SQL Server 2012
Development Applications
1 1 (7.69%) JIRA
Job Titles
1 7 (53.85%) Network Engineer
1 7 (53.85%) Senior Network Engineer
2 2 (15.38%) IT Support
3 1 (7.69%) 1st/2nd Line Support
3 1 (7.69%) 1st/2nd Line Support Technician
3 1 (7.69%) 2nd Line Support
3 1 (7.69%) 2nd Line Support Technician
3 1 (7.69%) Analyst
3 1 (7.69%) Big Data Consultant
3 1 (7.69%) Consultant
3 1 (7.69%) Data Consultant
3 1 (7.69%) IT Analyst
3 1 (7.69%) IT Support Analyst
3 1 (7.69%) IT Support Technician
3 1 (7.69%) IT Technician
3 1 (7.69%) Support Analyst
3 1 (7.69%) Support Technician
Miscellaneous
1 10 (76.92%) Data Centre
2 1 (7.69%) Clustering
2 1 (7.69%) Computer Science
2 1 (7.69%) Replication
Operating Systems
1 6 (46.15%) Windows
2 1 (7.69%) Apple iOS
2 1 (7.69%) Linux
2 1 (7.69%) Mac OS
2 1 (7.69%) Windows Server
2 1 (7.69%) Windows Server 2008
2 1 (7.69%) Windows Server 2012
Processes & Methodologies
1 10 (76.92%) ITIL
2 7 (53.85%) ITIL V3
2 7 (53.85%) Performance Monitoring
3 4 (30.77%) Benchmarking
3 4 (30.77%) Change Control
3 4 (30.77%) Configuration Management
4 3 (23.08%) Line Management
4 3 (23.08%) Service Management
4 3 (23.08%) Supplier Management
4 3 (23.08%) Transition Management
5 2 (15.38%) Coaching
5 2 (15.38%) Security Operations
6 1 (7.69%) Capacity Planning
6 1 (7.69%) Mentoring
6 1 (7.69%) Performance Tuning
6 1 (7.69%) Security Architecture
6 1 (7.69%) Service Delivery
Programming Languages
1 1 (7.69%) Java
Qualifications
1 7 (53.85%) CCNA
1 7 (53.85%) CCNP
1 7 (53.85%) Cisco Certification
2 1 (7.69%) Computer Science Degree
2 1 (7.69%) Degree
2 1 (7.69%) Security Cleared
Quality Assurance & Compliance
1 1 (7.69%) ISO/IEC 27001
System Software
1 1 (7.69%) Active Directory
1 1 (7.69%) Docker
1 1 (7.69%) Hyper-V
Systems Management
1 7 (53.85%) FortiGate
2 1 (7.69%) Ansible
2 1 (7.69%) Kubernetes
2 1 (7.69%) Terraform
Vendors
1 8 (61.54%) Microsoft
2 7 (53.85%) CheckPoint
2 7 (53.85%) Cisco
2 7 (53.85%) Citrix
3 1 (7.69%) Hortonworks
3 1 (7.69%) SonicWALL