Period
to 24 November 2017

The following table provides summary statistics for permanent job vacancies advertised in the City of London 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 24 November 2017 with a comparison to the same period in the previous 2 years.

Network Security
Central London > City of London
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 212 190 254
Rank change year-on-year -22 +64 -14
Permanent jobs citing Network Security 118 174 178
As % of all permanent IT jobs advertised in the City of London 1.16% 1.50% 1.04%
As % of the Communications & Networking category 7.90% 9.81% 7.28%
Number of salaries quoted 104 135 145
City of London median annual salary £60,000 £62,000 £57,500
Median salary % change year-on-year -3.23% +7.83% -
10th Percentile £36,825 £43,750 £39,250
90th Percentile £80,000 £85,000 £78,750
Central London median annual salary £60,000 £62,500 £56,500
% change year-on-year -4.00% +10.62% +2.73%

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 the City of London with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
City of London
Permanent vacancies with a requirement for communications or computer networking skills 1494 1773 2444
As % of all permanent IT jobs advertised in the City of London 14.62% 15.25% 14.32%
Number of salaries quoted 1340 1555 2098
City of London median annual salary £52,500 £55,000 £52,500
Median salary % change year-on-year -4.55% +4.76% +7.14%
10th Percentile £31,250 £30,750 £27,500
90th Percentile £80,000 £78,750 £78,750
Central London median annual salary £52,500 £52,500 £50,000
% change year-on-year - +5.00% +2.04%

Network Security
Job Vacancy Trend in the City of London

Job postings citing Network Security as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Network Security in the City of London

Network Security
Salary Trend in the City of London

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

Salary trend for Network Security in the City of London

Network Security
Salary Histogram in the City of London

The salary distribution of IT jobs citing Network Security in the City of London over the 6 months to 24 November 2017.

Salary histogram for Network Security in the City of London

For the 6 months to 24 November 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 City of London region with a requirement for Network Security.

1 58 (49.15%) Firewall
2 53 (44.92%) Finance
3 41 (34.75%) Cisco
4 38 (32.20%) Information Security
5 35 (29.66%) WAN
6 32 (27.12%) LAN
7 30 (25.42%) Cisco Certification
7 30 (25.42%) Windows
8 28 (23.73%) TCP/IP
9 27 (22.88%) CISSP
9 27 (22.88%) SIEM
10 26 (22.03%) VPN
11 25 (21.19%) Microsoft
11 25 (21.19%) Cybersecurity
11 25 (21.19%) Palo Alto
12 24 (20.34%) Incident Management
13 23 (19.49%) ITIL
13 23 (19.49%) F5
14 21 (17.80%) CCNP
14 21 (17.80%) Active Directory
14 21 (17.80%) GIAC
15 20 (16.95%) Analytical Skills
16 19 (16.10%) CREST Certified
16 19 (16.10%) Vulnerability Management
16 19 (16.10%) BGP
17 18 (15.25%) OSPF
17 18 (15.25%) CheckPoint
17 18 (15.25%) Wireless
18 17 (14.41%) CCIE
18 17 (14.41%) DNS

Network Security
Co-occurring IT Skills in the City of London 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 5 (4.24%) Elasticsearch
1 5 (4.24%) SharePoint
2 4 (3.39%) MS Exchange
3 2 (1.69%) Skype for Business
4 1 (0.85%) Apache Spark
4 1 (0.85%) Exchange Server 2010
4 1 (0.85%) IBM Notes
4 1 (0.85%) IIS
Applications
1 2 (1.69%) Microsoft Office
Cloud Services
1 11 (9.32%) Microsoft Azure
2 9 (7.63%) Amazon AWS
3 5 (4.24%) Virtual Private Cloud
4 3 (2.54%) Datadog
4 3 (2.54%) GitHub
4 3 (2.54%) IaaS
4 3 (2.54%) SaaS
5 2 (1.69%) Amazon EC2
5 2 (1.69%) Amazon S3
5 2 (1.69%) Amazon SQS
5 2 (1.69%) AWS CloudFormation
5 2 (1.69%) AWS Lambda
5 2 (1.69%) Office 365
5 2 (1.69%) Serverless
6 1 (0.85%) Azure Active Directory
6 1 (0.85%) Cloud Computing
6 1 (0.85%) G Suite
6 1 (0.85%) PaaS
Communications & Networking
1 58 (49.15%) Firewall
2 35 (29.66%) WAN
3 32 (27.12%) LAN
4 28 (23.73%) TCP/IP
5 26 (22.03%) VPN
6 19 (16.10%) BGP
7 18 (15.25%) OSPF
7 18 (15.25%) Wireless
8 17 (14.41%) DHCP
8 17 (14.41%) DNS
9 16 (13.56%) Cisco IOS
9 16 (13.56%) Cisco Nexus
10 15 (12.71%) Internet
10 15 (12.71%) Multicast
11 14 (11.86%) MPLS
12 13 (11.02%) Cisco ASA
12 13 (11.02%) IPsec
13 11 (9.32%) Cisco Wireless
13 11 (9.32%) DMVPN
14 9 (7.63%) HSRP
Database & Business Intelligence
1 10 (8.47%) SQL Server
2 3 (2.54%) Big Data
3 2 (1.69%) Amazon RDS
3 2 (1.69%) Amazon Redshift
3 2 (1.69%) PostgreSQL
4 1 (0.85%) Hadoop
4 1 (0.85%) SQL Server 2012
Development Applications
1 5 (4.24%) Bitbucket
2 3 (2.54%) Git (software)
2 3 (2.54%) JIRA
2 3 (2.54%) Metasploit
2 3 (2.54%) NuGet
2 3 (2.54%) Octopus Deploy
2 3 (2.54%) Team Foundation Server
2 3 (2.54%) TeamCity
2 3 (2.54%) Visual Studio
2 3 (2.54%) Visual Studio Team System
2 3 (2.54%) VSS/SourceSafe
3 2 (1.69%) Jenkins
3 2 (1.69%) Sonatype Nexus
General
1 53 (44.92%) Finance
2 12 (10.17%) Law
3 9 (7.63%) Financial Institution
3 9 (7.63%) Telecoms
4 8 (6.78%) Banking
5 4 (3.39%) Games
6 3 (2.54%) Back Office
6 3 (2.54%) Publishing
7 1 (0.85%) Electronics
7 1 (0.85%) Front Office
7 1 (0.85%) Retail
Job Titles
1 26 (22.03%) Analyst
2 24 (20.34%) Network Engineer
3 15 (12.71%) Security Engineer
4 12 (10.17%) Security Analyst
5 10 (8.47%) Architect
5 10 (8.47%) Infrastructure Engineer
5 10 (8.47%) Network Security Engineer
6 8 (6.78%) Senior Analyst
7 7 (5.93%) Cisco Architect
7 7 (5.93%) Cisco Network Architect
7 7 (5.93%) Network Analyst
7 7 (5.93%) Network Architect
7 7 (5.93%) Security Manager
8 5 (4.24%) DevOps Engineer
8 5 (4.24%) IT Manager
8 5 (4.24%) IT Security Manager
8 5 (4.24%) Network Security Analyst
8 5 (4.24%) Senior Network Engineer
9 4 (3.39%) Cloud Engineer
9 4 (3.39%) Senior IP Network Engineer
Libraries, Frameworks & Software Standards
1 13 (11.02%) Web Services
2 5 (4.24%) Elastic Stack
3 3 (2.54%) .NET
3 3 (2.54%) 802.1X
3 3 (2.54%) XMPP
4 2 (1.69%) Regular Expression
5 1 (0.85%) HTML
Miscellaneous
1 20 (16.95%) Analytical Skills
2 14 (11.86%) Management Information System
3 13 (11.02%) Data Centre
4 12 (10.17%) Cyber Attack
5 9 (7.63%) Cyberthreat
6 8 (6.78%) Computer Science
7 5 (4.24%) Linux Command Line
7 5 (4.24%) PKI
8 3 (2.54%) Algorithms
8 3 (2.54%) Fat Client
8 3 (2.54%) FlexPod
8 3 (2.54%) Thin Client
8 3 (2.54%) Video Conferencing
8 3 (2.54%) VxBlock/Vblock
9 2 (1.69%) AS400
9 2 (1.69%) BYOD
9 2 (1.69%) Distributed Denial-of-Service
10 1 (0.85%) CESG
10 1 (0.85%) Replication
10 1 (0.85%) Robotics
Operating Systems
1 30 (25.42%) Windows
2 17 (14.41%) Linux
3 7 (5.93%) CentOS
3 7 (5.93%) Red Hat Enterprise Linux
3 7 (5.93%) Unix
4 6 (5.08%) Windows Server
5 5 (4.24%) Debian
5 5 (4.24%) Kali Linux
5 5 (4.24%) Ubuntu
6 4 (3.39%) Windows Server 2008
7 1 (0.85%) Windows 7
7 1 (0.85%) Windows 8
7 1 (0.85%) Windows Server 2012
Processes & Methodologies
1 38 (32.20%) Information Security
2 27 (22.88%) SIEM
3 25 (21.19%) Cybersecurity
4 24 (20.34%) Incident Management
5 23 (19.49%) ITIL
6 19 (16.10%) Vulnerability Management
7 17 (14.41%) Security Architecture
8 15 (12.71%) Network Design
9 14 (11.86%) Load Balancing
10 13 (11.02%) Security Operations
10 13 (11.02%) Threat Intelligence
11 12 (10.17%) Cyber Threat Intelligence
11 12 (10.17%) Data Analysis
11 12 (10.17%) Data Visualisation
11 12 (10.17%) Project Management
11 12 (10.17%) Risk Analysis
11 12 (10.17%) Visualisation
12 11 (9.32%) Kalman Filter
13 10 (8.47%) DevOps
13 10 (8.47%) Network Monitoring
Programming Languages
1 17 (14.41%) Python
2 10 (8.47%) PowerShell
2 10 (8.47%) Ruby
3 9 (7.63%) Java
3 9 (7.63%) SQL
4 6 (5.08%) Bash Shell
5 5 (4.24%) C-shell
5 5 (4.24%) Korn
6 4 (3.39%) C
6 4 (3.39%) C#
6 4 (3.39%) C++
7 3 (2.54%) Julia
7 3 (2.54%) MATLAB
7 3 (2.54%) R
7 3 (2.54%) T-SQL
8 1 (0.85%) JavaScript
8 1 (0.85%) PHP
8 1 (0.85%) Tcl
8 1 (0.85%) VB.NET
Qualifications
1 30 (25.42%) Cisco Certification
2 27 (22.88%) CISSP
3 21 (17.80%) CCNP
3 21 (17.80%) GIAC
4 19 (16.10%) CREST Certified
5 17 (14.41%) CCIE
6 16 (13.56%) CCNA
6 16 (13.56%) GCIH
7 11 (9.32%) CISM
7 11 (9.32%) Security Cleared
8 9 (7.63%) CCSA
8 9 (7.63%) CEH
8 9 (7.63%) Degree
9 8 (6.78%) SANS
10 7 (5.93%) CCDA
11 6 (5.08%) SC Cleared
12 5 (4.24%) LPIC
12 5 (4.24%) RHCA
12 5 (4.24%) RHCE
12 5 (4.24%) RHCSA
Quality Assurance & Compliance
1 12 (10.17%) ISO/IEC 27001
2 6 (5.08%) PCI DSS
3 4 (3.39%) SLA
4 2 (1.69%) Sarbanes-Oxley
5 1 (0.85%) COBIT
5 1 (0.85%) GDPR
5 1 (0.85%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
5 1 (0.85%) NIST 800
System Software
1 21 (17.80%) Active Directory
2 14 (11.86%) VMware Infrastructure
3 7 (5.93%) Microsoft App-V
3 7 (5.93%) XenDesktop
4 6 (5.08%) pfSense
5 5 (4.24%) Docker
6 4 (3.39%) XenApp
7 3 (2.54%) Citrix Presentation Server
7 3 (2.54%) Hyper-V
7 3 (2.54%) KVM
7 3 (2.54%) MetaFrame
8 2 (1.69%) Terminal Server
8 2 (1.69%) Virtual Machines
8 2 (1.69%) VMware ESXi
9 1 (0.85%) Virtual Desktop
9 1 (0.85%) VMware NSX
9 1 (0.85%) vSphere
Systems Management
1 7 (5.93%) Ansible
1 7 (5.93%) CSIRT
2 6 (5.08%) FortiGate
2 6 (5.08%) SCOM
3 5 (4.24%) Nessus
3 5 (4.24%) QRadar
4 4 (3.39%) Nagios
5 3 (2.54%) Cisco CUCM
5 3 (2.54%) Kibana
5 3 (2.54%) logstash
5 3 (2.54%) SCCM
6 2 (1.69%) Kubernetes
6 2 (1.69%) Network Intrusion Detection System
6 2 (1.69%) OpenVAS
6 2 (1.69%) Terraform
7 1 (0.85%) Cacti
7 1 (0.85%) Nmap
7 1 (0.85%) SCSM
7 1 (0.85%) vCenter Server
Vendors
1 41 (34.75%) Cisco
2 25 (21.19%) Microsoft
2 25 (21.19%) Palo Alto
3 23 (19.49%) F5
4 18 (15.25%) CheckPoint
5 16 (13.56%) VMware
6 13 (11.02%) Citrix
7 11 (9.32%) Juniper
8 7 (5.93%) Riverbed
9 6 (5.08%) Aruba
9 6 (5.08%) Avaya
9 6 (5.08%) Fortinet
9 6 (5.08%) SolarWinds
9 6 (5.08%) Splunk
10 5 (4.24%) Extreme Networks
10 5 (4.24%) Red Hat
10 5 (4.24%) SonicWALL
10 5 (4.24%) WatchGuard
11 4 (3.39%) Meraki
12 3 (2.54%) AppDynamics