Period
to 13 June 2021

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for Intrusion Detection skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Intrusion Detection over the 6 months to 13 June 2021 with a comparison to the same period in the previous 2 years.

Intrusion Detection
Central London > City of London
6 months to
13 Jun 2021
Same period 2020 Same period 2019
Rank 209 226 250
Rank change year-on-year +17 +24 +41
Permanent jobs citing Intrusion Detection 27 23 75
As % of all permanent jobs advertised in the City of London 0.52% 0.36% 0.75%
As % of the Communications & Networking category 5.72% 2.82% 5.76%
Number of salaries quoted 22 23 73
10th Percentile £40,050 £46,500 £52,500
25th Percentile £52,318 £48,125 £63,750
Median annual salary (50th Percentile) £60,000 £77,500 £75,000
Median % change year-on-year -22.58% +3.33% +3.45%
75th Percentile £79,688 £91,250 £81,250
90th Percentile £85,000 £92,250 £96,250
Central London median annual salary £57,500 £76,750 £75,000
% change year-on-year -25.08% +2.33% +7.14%

Intrusion Detection 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 472 817 1,302
As % of all permanent IT jobs advertised in the City of London 9.14% 12.89% 12.93%
Number of salaries quoted 416 727 1,180
10th Percentile £41,250 £35,500 £29,250
25th Percentile £50,000 £45,250 £41,250
Median annual salary (50th Percentile) £65,000 £60,000 £60,000
Median % change year-on-year +8.33% - +4.35%
75th Percentile £80,125 £77,500 £77,500
90th Percentile £100,000 £89,250 £95,000
Central London median annual salary £60,000 £60,000 £55,000
% change year-on-year - +9.09% -

Intrusion Detection
Job Vacancy Trend in the City of London

Job postings citing Intrusion Detection as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for Intrusion Detection in the City of London

Intrusion Detection
Salary Trend in the City of London

3-month moving average salary quoted in jobs citing Intrusion Detection in the City of London.

Salary trend for Intrusion Detection in the City of London

Intrusion Detection
Salary Histogram in the City of London

Salary distribution for jobs citing Intrusion Detection in the City of London over the 6 months to 13 June 2021.

Salary histogram for Intrusion Detection in the City of London

For the 6 months to 13 June 2021, IT jobs citing Intrusion Detection also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the City of London region with a requirement for Intrusion Detection.

1 21 (77.78%) Firewall
2 14 (51.85%) Information Security
3 12 (44.44%) Windows
3 12 (44.44%) SIEM
4 10 (37.04%) Vulnerability Management
4 10 (37.04%) Kalman Filter
4 10 (37.04%) Microsoft
4 10 (37.04%) Finance
4 10 (37.04%) Security Operations
4 10 (37.04%) Social Skills
5 9 (33.33%) CISSP
5 9 (33.33%) Cybersecurity
6 7 (25.93%) Network Security
6 7 (25.93%) OWASP
6 7 (25.93%) OAuth
6 7 (25.93%) CA
6 7 (25.93%) SAML
6 7 (25.93%) SQL
6 7 (25.93%) Web Services
6 7 (25.93%) SOA
6 7 (25.93%) Nessus
6 7 (25.93%) Penetration Testing
6 7 (25.93%) Threat Intelligence
6 7 (25.93%) Task Automation
7 6 (22.22%) Management Information System
7 6 (22.22%) CISA
7 6 (22.22%) CISM
8 5 (18.52%) Cisco Certification
8 5 (18.52%) Security Monitoring
8 5 (18.52%) Security Operations Centre

Intrusion Detection
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:

Applications
1 1 (3.70%) Microsoft Excel
Cloud Services
1 2 (7.41%) AWS
1 2 (7.41%) Azure
2 1 (3.70%) Azure Active Directory
2 1 (3.70%) Microsoft 365
Communications & Networking
1 21 (77.78%) Firewall
2 7 (25.93%) Network Security
3 4 (14.81%) Wireless
3 4 (14.81%) Wireless Security
4 2 (7.41%) Internet
4 2 (7.41%) LAN
4 2 (7.41%) TCP/IP
4 2 (7.41%) VPN
5 1 (3.70%) BGP
5 1 (3.70%) Cisco IOS
5 1 (3.70%) DHCP
5 1 (3.70%) DMVPN
5 1 (3.70%) DNS
5 1 (3.70%) IGMP
5 1 (3.70%) MPLS
5 1 (3.70%) Multicast
5 1 (3.70%) NX-OS
5 1 (3.70%) OSPF
5 1 (3.70%) VLAN
5 1 (3.70%) WAN
General
1 10 (37.04%) Finance
1 10 (37.04%) Social Skills
2 2 (7.41%) Public Sector
3 1 (3.70%) Banking
Job Titles
1 9 (33.33%) Analyst
2 7 (25.93%) IT Engineer
2 7 (25.93%) IT Security Engineer
2 7 (25.93%) Security Analyst
2 7 (25.93%) Security Engineer
3 4 (14.81%) Security Manager
4 3 (11.11%) Operations Analyst
4 3 (11.11%) Security Operations Analyst
4 3 (11.11%) SOC Manager
5 2 (7.41%) CISSP Specialist
5 2 (7.41%) Information Analyst
5 2 (7.41%) Information Security Analyst
5 2 (7.41%) Information Security Specialist
5 2 (7.41%) Information Specialist
5 2 (7.41%) Security Specialist
5 2 (7.41%) Senior Analyst
6 1 (3.70%) Financial Analyst
6 1 (3.70%) IT Security Analyst
6 1 (3.70%) IT Security Architect
6 1 (3.70%) Technical Leader
Libraries, Frameworks & Software Standards
1 7 (25.93%) OAuth
1 7 (25.93%) SAML
1 7 (25.93%) Web Services
2 1 (3.70%) 802.1X
Miscellaneous
1 6 (22.22%) Management Information System
2 5 (18.52%) Security Operations Centre
3 2 (7.41%) Data Protection Act
3 2 (7.41%) Self-Motivation
4 1 (3.70%) Cybercrime
4 1 (3.70%) Data Centre
Operating Systems
1 12 (44.44%) Windows
2 4 (14.81%) Windows Server
3 2 (7.41%) Unix
Processes & Methodologies
1 14 (51.85%) Information Security
2 12 (44.44%) SIEM
3 10 (37.04%) Kalman Filter
3 10 (37.04%) Security Operations
3 10 (37.04%) Vulnerability Management
4 9 (33.33%) Cybersecurity
5 7 (25.93%) OWASP
5 7 (25.93%) Penetration Testing
5 7 (25.93%) SOA
5 7 (25.93%) Task Automation
5 7 (25.93%) Threat Intelligence
6 5 (18.52%) Security Monitoring
7 4 (14.81%) Incident Management
7 4 (14.81%) Log Correlation
7 4 (14.81%) Network Monitoring
7 4 (14.81%) Network Segmentation
7 4 (14.81%) Security Management
7 4 (14.81%) Strategic Roadmap
7 4 (14.81%) Technical Architecture
7 4 (14.81%) Threat Detection
Programming Languages
1 7 (25.93%) SQL
Qualifications
1 9 (33.33%) CISSP
2 6 (22.22%) CISA
2 6 (22.22%) CISM
3 5 (18.52%) Cisco Certification
4 3 (11.11%) (ISC)2 CCSP
4 3 (11.11%) Degree
5 2 (7.41%) CCNA
5 2 (7.41%) CCSP
6 1 (3.70%) CCIE
6 1 (3.70%) CCNP
6 1 (3.70%) CCSA
6 1 (3.70%) CCSE
6 1 (3.70%) CEH
6 1 (3.70%) CISMP
6 1 (3.70%) CREST Certified
6 1 (3.70%) GIAC
6 1 (3.70%) GPEN
6 1 (3.70%) GSEC
Quality Assurance & Compliance
1 4 (14.81%) Cyber Essentials
1 4 (14.81%) ISO/IEC 27001
1 4 (14.81%) NIST
2 3 (11.11%) GDPR
3 2 (7.41%) Cyber Essentials PLUS
3 2 (7.41%) PCI DSS
4 1 (3.70%) GPG13
4 1 (3.70%) HMG Security Policy Framework
4 1 (3.70%) ISO 31000
4 1 (3.70%) ISO/IEC 27005
4 1 (3.70%) NCSC
System Software
1 2 (7.41%) Active Directory
Systems Management
1 7 (25.93%) Nessus
2 3 (11.11%) QRadar
3 1 (3.70%) Single Sign-On
Vendors
1 10 (37.04%) Microsoft
2 7 (25.93%) CA
3 4 (14.81%) LogRhythm
3 4 (14.81%) Splunk
4 3 (11.11%) AlienVault
5 2 (7.41%) CheckPoint
5 2 (7.41%) Cisco
5 2 (7.41%) Intel
5 2 (7.41%) Rapid7
6 1 (3.70%) ArcSight
6 1 (3.70%) F5
6 1 (3.70%) ForeScout
6 1 (3.70%) Fortinet
6 1 (3.70%) Infoblox
6 1 (3.70%) Palo Alto
6 1 (3.70%) Qualys