Period
to 31 July 2021

The following table provides summary statistics for permanent job vacancies advertised in 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 31 July 2021 with a comparison to the same period in the previous 2 years.

Intrusion Detection
England > London
6 months to
31 Jul 2021
Same period 2020 Same period 2019
Rank 606 440 586
Rank change year-on-year -166 +146 -8
Permanent jobs citing Intrusion Detection 87 108 174
As % of all permanent jobs advertised in London 0.19% 0.38% 0.31%
As % of the Communications & Networking category 1.72% 2.79% 2.45%
Number of salaries quoted 70 81 141
10th Percentile £39,950 £46,250 £46,250
25th Percentile £51,250 £53,750 £60,000
Median annual salary (50th Percentile) £61,750 £65,000 £71,000
Median % change year-on-year -5.00% -8.45% +9.23%
75th Percentile £77,500 £77,500 £77,500
90th Percentile £87,500 £86,250 £86,250
England median annual salary £57,500 £62,500 £60,000
% change year-on-year -8.00% +4.17% +9.09%

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 London with a requirement for communications or computer networking skills.

All Communications and Computer Networking Skills
London
Permanent vacancies with a requirement for communications or computer networking skills 5,064 3,870 7,100
As % of all permanent IT jobs advertised in London 11.17% 13.72% 12.45%
Number of salaries quoted 3,340 3,139 5,845
10th Percentile £34,000 £32,500 £29,000
25th Percentile £46,750 £45,000 £37,500
Median annual salary (50th Percentile) £62,500 £60,000 £55,000
Median % change year-on-year +4.17% +9.09% -
75th Percentile £80,000 £77,375 £75,000
90th Percentile £95,000 £90,000 £87,500
England median annual salary £50,000 £50,000 £46,000
% change year-on-year - +8.70% -3.16%

Intrusion Detection
Job Vacancy Trend in London

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

Job vacancy trend for Intrusion Detection in London

Intrusion Detection
Salary Trend in London

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

Salary trend for Intrusion Detection in London

Intrusion Detection
Salary Histogram in London

Salary distribution for jobs citing Intrusion Detection in London over the 6 months to 31 July 2021.

Salary histogram for Intrusion Detection in London

Intrusion Detection
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Intrusion Detection within the London region over the 6 months to 31 July 2021. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London +2 29 £62,500 +8.70% 5
West London -30 1 £37,500 -37.50% 1
East London - 1 £50,000 - 1
Intrusion Detection
England

For the 6 months to 31 July 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 London region with a requirement for Intrusion Detection.

1 65 (74.71%) Firewall
2 38 (43.68%) Cybersecurity
3 36 (41.38%) Security Operations
4 32 (36.78%) Information Security
5 31 (35.63%) Windows
6 30 (34.48%) SIEM
7 27 (31.03%) Penetration Testing
8 25 (28.74%) Finance
9 24 (27.59%) Microsoft
9 24 (27.59%) Kalman Filter
10 22 (25.29%) CISSP
11 21 (24.14%) SQL
12 20 (22.99%) Management Information System
12 20 (22.99%) Vulnerability Management
13 19 (21.84%) Python
13 19 (21.84%) Threat Intelligence
14 18 (20.69%) Social Skills
15 17 (19.54%) Web Services
15 17 (19.54%) Network Security
16 16 (18.39%) Nessus
17 15 (17.24%) Azure
17 15 (17.24%) Security Monitoring
18 14 (16.09%) Security Operations Centre
18 14 (16.09%) Patch Management
18 14 (16.09%) CISA
18 14 (16.09%) Splunk
19 13 (14.94%) AWS
19 13 (14.94%) PowerShell
19 13 (14.94%) ISO/IEC 27001
19 13 (14.94%) OWASP

Intrusion Detection
Co-occurring IT Skills in 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 3 (3.45%) Apache
1 3 (3.45%) Drupal
1 3 (3.45%) Facebook Platform
2 2 (2.30%) Apache Spark
3 1 (1.15%) Elasticsearch
Applications
1 3 (3.45%) Microsoft Excel
2 2 (2.30%) Gephi
3 1 (1.15%) Microsoft Office
3 1 (1.15%) Microsoft PowerPoint
3 1 (1.15%) MS Visio
Cloud Services
1 15 (17.24%) Azure
2 13 (14.94%) AWS
3 8 (9.20%) Azure Sentinel
3 8 (9.20%) GCP
3 8 (9.20%) OpenDNS
4 6 (6.90%) Microsoft 365
4 6 (6.90%) SaaS
5 4 (4.60%) Cloud Computing
6 3 (3.45%) DigitalOcean
7 2 (2.30%) Amazon GuardDuty
7 2 (2.30%) PaaS
8 1 (1.15%) Amazon CloudWatch
8 1 (1.15%) Amazon EC2
8 1 (1.15%) Amazon S3
8 1 (1.15%) AWS CloudFormation
8 1 (1.15%) Azure Active Directory
8 1 (1.15%) Google Workspace
8 1 (1.15%) IaaS
8 1 (1.15%) Serverless
8 1 (1.15%) Virtual Private Cloud
Communications & Networking
1 65 (74.71%) Firewall
2 17 (19.54%) Network Security
3 13 (14.94%) VPN
4 8 (9.20%) Wireshark
5 6 (6.90%) SSL
5 6 (6.90%) Wireless
6 5 (5.75%) HTTP
6 5 (5.75%) HTTPS
6 5 (5.75%) TCP/IP
6 5 (5.75%) Wireless Security
7 4 (4.60%) DNS
7 4 (4.60%) Internet
7 4 (4.60%) LAN
7 4 (4.60%) MPLS
8 3 (3.45%) WAN
9 2 (2.30%) DHCP
9 2 (2.30%) Ethernet
10 1 (1.15%) OSPF
10 1 (1.15%) SMTP
10 1 (1.15%) SNMP
Database & Business Intelligence
1 6 (6.90%) MySQL
2 3 (3.45%) PostgreSQL
2 3 (3.45%) SQL Server
3 2 (2.30%) Apache Hive
3 2 (2.30%) Big Data
3 2 (2.30%) Impala
Development Applications
1 8 (9.20%) Metasploit
2 2 (2.30%) Bitbucket
2 2 (2.30%) Bitbucket Server
2 2 (2.30%) Git (software)
2 2 (2.30%) git-flow
2 2 (2.30%) JIRA
General
1 25 (28.74%) Finance
2 18 (20.69%) Social Skills
3 9 (10.34%) Analytical Skills
4 8 (9.20%) Public Sector
5 7 (8.05%) Electronics
5 7 (8.05%) Manufacturing
5 7 (8.05%) Marketing
5 7 (8.05%) Telecoms
6 4 (4.60%) Legal
7 3 (3.45%) Banking
8 2 (2.30%) Financial Institution
9 1 (1.15%) Games
9 1 (1.15%) Local Government
Job Titles
1 36 (41.38%) Analyst
2 30 (34.48%) Security Analyst
3 29 (33.33%) Security Engineer
4 17 (19.54%) IT Engineer
4 17 (19.54%) IT Security Engineer
5 15 (17.24%) Operations Analyst
5 15 (17.24%) Security Operations Analyst
6 11 (12.64%) Senior Analyst
7 10 (11.49%) Senior Security Analyst
8 8 (9.20%) IT Analyst
8 8 (9.20%) IT Security Analyst
8 8 (9.20%) Senior Operations Analyst
9 5 (5.75%) Information Security Engineer
9 5 (5.75%) Security Manager
10 4 (4.60%) Information Analyst
10 4 (4.60%) Information Security Analyst
10 4 (4.60%) SOC Analyst
10 4 (4.60%) SOC Manager
11 3 (3.45%) Automation Engineer
11 3 (3.45%) Security Specialist
Libraries, Frameworks & Software Standards
1 17 (19.54%) Web Services
2 13 (14.94%) SAML
3 12 (13.79%) OAuth
4 3 (3.45%) CSS
4 3 (3.45%) Flask
4 3 (3.45%) HTML
4 3 (3.45%) LAMP
4 3 (3.45%) LAPP Stack
4 3 (3.45%) SQLAlchemy
5 2 (2.30%) Elastic Stack
5 2 (2.30%) Kafka
6 1 (1.15%) 802.1X
6 1 (1.15%) LDAP
Miscellaneous
1 20 (22.99%) Management Information System
2 14 (16.09%) Security Operations Centre
3 6 (6.90%) Cyberattack
4 3 (3.45%) Derivative
4 3 (3.45%) Distributed Denial-of-Service
4 3 (3.45%) Linux Command Line
4 3 (3.45%) Self-Motivation
4 3 (3.45%) Social Media
5 2 (2.30%) Analytical Mindset
5 2 (2.30%) Cyber Defence
5 2 (2.30%) Cyber Kill Chain
5 2 (2.30%) Data Protection Act
6 1 (1.15%) Cloud Native
6 1 (1.15%) Cybercrime
6 1 (1.15%) Data Centre
6 1 (1.15%) Equities
6 1 (1.15%) Fixed Income
6 1 (1.15%) New Media
6 1 (1.15%) PKI
6 1 (1.15%) Public Cloud
Operating Systems
1 31 (35.63%) Windows
2 13 (14.94%) Linux
3 9 (10.34%) Unix
3 9 (10.34%) Windows Server
4 8 (9.20%) Kali Linux
5 3 (3.45%) Debian
5 3 (3.45%) Ubuntu
6 1 (1.15%) Mac OS
6 1 (1.15%) Windows 10
6 1 (1.15%) Windows 7
Processes & Methodologies
1 38 (43.68%) Cybersecurity
2 36 (41.38%) Security Operations
3 32 (36.78%) Information Security
4 30 (34.48%) SIEM
5 27 (31.03%) Penetration Testing
6 24 (27.59%) Kalman Filter
7 20 (22.99%) Vulnerability Management
8 19 (21.84%) Threat Intelligence
9 15 (17.24%) Security Monitoring
10 14 (16.09%) Patch Management
11 13 (14.94%) OWASP
12 12 (13.79%) Malware Analysis
12 12 (13.79%) Task Automation
13 11 (12.64%) Data Loss Prevention
13 11 (12.64%) Data Security
14 10 (11.49%) Computer Science
14 10 (11.49%) Cyber Threat Intelligence
14 10 (11.49%) Vulnerability Assessment
15 9 (10.34%) Data Protection
16 8 (9.20%) Security Management
Programming Languages
1 21 (24.14%) SQL
2 19 (21.84%) Python
3 13 (14.94%) PowerShell
4 10 (11.49%) C
5 8 (9.20%) C#
5 8 (9.20%) C++
5 8 (9.20%) VB
6 4 (4.60%) JavaScript
7 3 (3.45%) Bash Shell
8 2 (2.30%) Perl
8 2 (2.30%) R
Qualifications
1 22 (25.29%) CISSP
2 14 (16.09%) CISA
3 13 (14.94%) CISM
4 12 (13.79%) Cisco Certification
5 10 (11.49%) CompTIA Security+
6 9 (10.34%) Degree
7 8 (9.20%) (ISC)2 CCSP
7 8 (9.20%) Security Cleared
8 7 (8.05%) CCSP
8 7 (8.05%) Microsoft Certification
9 6 (6.90%) CEH
9 6 (6.90%) SC Cleared
10 4 (4.60%) CCNA
10 4 (4.60%) GIAC
10 4 (4.60%) MCSA
10 4 (4.60%) SANS
11 3 (3.45%) Computer Science Degree
11 3 (3.45%) Network+ Certification
11 3 (3.45%) OSCP
11 3 (3.45%) SSCP
Quality Assurance & Compliance
1 13 (14.94%) ISO/IEC 27001
2 10 (11.49%) Cyber Essentials
3 6 (6.90%) NIST
4 5 (5.75%) GDPR
4 5 (5.75%) PCI DSS
5 3 (3.45%) Cyber Essentials PLUS
6 2 (2.30%) SOC 2
7 1 (1.15%) Accessibility
7 1 (1.15%) GLBA
7 1 (1.15%) GPG13
7 1 (1.15%) HMG Security Policy Framework
7 1 (1.15%) ISO 31000
7 1 (1.15%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
7 1 (1.15%) ISO/IEC 27005
7 1 (1.15%) NCSC
7 1 (1.15%) Sarbanes-Oxley
System Software
1 8 (9.20%) Snort
1 8 (9.20%) Squid
2 6 (6.90%) Active Directory
3 3 (3.45%) Docker
4 2 (2.30%) Apache Flume
5 1 (1.15%) Virtual Machines
5 1 (1.15%) VMware Infrastructure
Systems Management
1 16 (18.39%) Nessus
2 8 (9.20%) Nexpose
2 8 (9.20%) Suricata
3 6 (6.90%) Ansible
4 3 (3.45%) Docker Swarm
4 3 (3.45%) Opscode Chef
4 3 (3.45%) Puppet
4 3 (3.45%) QRadar
5 2 (2.30%) Kibana
5 2 (2.30%) Oozie
5 2 (2.30%) Single Sign-On
6 1 (1.15%) Jamf Pro
Vendors
1 24 (27.59%) Microsoft
2 14 (16.09%) Splunk
3 12 (13.79%) LogRhythm
4 11 (12.64%) Cisco
5 10 (11.49%) CheckPoint
5 10 (11.49%) Palo Alto
6 9 (10.34%) Qualys
7 8 (9.20%) Blue Coat
7 8 (9.20%) Carbon Black
7 8 (9.20%) CrowdStrike
7 8 (9.20%) FireEye
7 8 (9.20%) Forcepoint
7 8 (9.20%) Google
7 8 (9.20%) Symantec
7 8 (9.20%) Zscaler
8 7 (8.05%) SAP
9 6 (6.90%) CA
10 3 (3.45%) ArcSight
10 3 (3.45%) Intel
10 3 (3.45%) TOWER Software