Period
to 18 May 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 18 May 2021 with a comparison to the same period in the previous 2 years.

Intrusion Detection
England > London
6 months to
18 May 2021
Same period 2020 Same period 2019
Rank 500 483 615
Rank change year-on-year -17 +132 -31
Permanent jobs citing Intrusion Detection 94 161 158
As % of all permanent jobs advertised in London 0.28% 0.41% 0.27%
As % of the Communications & Networking category 2.68% 3.13% 2.09%
Number of salaries quoted 77 136 141
10th Percentile £40,000 £49,375 £47,500
25th Percentile £47,500 £57,500 £52,500
Median annual salary (50th Percentile) £61,000 £65,000 £70,000
Median % change year-on-year -6.15% -7.14% +3.70%
75th Percentile £76,250 £82,500 £81,250
90th Percentile £87,500 £88,750 £86,250
England median annual salary £55,000 £65,000 £60,000
% change year-on-year -15.38% +8.33% +4.35%

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 3,512 5,142 7,574
As % of all permanent IT jobs advertised in London 10.44% 12.94% 12.84%
Number of salaries quoted 2,656 4,195 6,222
10th Percentile £36,250 £31,250 £29,000
25th Percentile £47,500 £41,250 £38,500
Median annual salary (50th Percentile) £62,500 £57,500 £55,000
Median % change year-on-year +8.70% +4.55% -
75th Percentile £80,000 £75,000 £75,000
90th Percentile £91,250 £87,500 £87,500
England median annual salary £50,000 £49,556 £47,500
% change year-on-year +0.90% +4.33% -

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 18 May 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 18 May 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 +44 25 £55,000 -18.52% 9
West London +23 2 £41,250 -31.25%
South London +14 1 £47,500 +18.75%
East London - 1 £50,000 -
Intrusion Detection
England

For the 6 months to 18 May 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 74 (78.72%) Firewall
2 39 (41.49%) Cybersecurity
3 34 (36.17%) Kalman Filter
4 29 (30.85%) Information Security
5 28 (29.79%) Microsoft
6 27 (28.72%) Security Operations
7 26 (27.66%) CISSP
7 26 (27.66%) Windows
8 25 (26.60%) Network Security
9 23 (24.47%) SIEM
10 22 (23.40%) Penetration Testing
11 21 (22.34%) OWASP
11 21 (22.34%) Management Information System
11 21 (22.34%) SQL
12 20 (21.28%) Web Services
13 19 (20.21%) Nessus
13 19 (20.21%) Azure
14 17 (18.09%) OAuth
14 17 (18.09%) Finance
14 17 (18.09%) VPN
14 17 (18.09%) Cisco Certification
14 17 (18.09%) Task Automation
14 17 (18.09%) Social Skills
15 16 (17.02%) SAML
15 16 (17.02%) Python
15 16 (17.02%) ISO/IEC 27001
16 15 (15.96%) AWS
16 15 (15.96%) Threat Intelligence
17 14 (14.89%) (ISC)2 CCSP
17 14 (14.89%) Vulnerability Management

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 5 (5.32%) Apache
1 5 (5.32%) Drupal
1 5 (5.32%) Facebook Platform
2 2 (2.13%) Apache Spark
2 2 (2.13%) SharePoint
3 1 (1.06%) Elasticsearch
3 1 (1.06%) Exchange Server 2010
3 1 (1.06%) MS Exchange
Applications
1 2 (2.13%) Gephi
1 2 (2.13%) Microsoft Excel
Cloud Services
1 19 (20.21%) Azure
2 15 (15.96%) AWS
3 10 (10.64%) GCP
4 8 (8.51%) Cloud Computing
5 6 (6.38%) Azure Sentinel
5 6 (6.38%) Microsoft 365
5 6 (6.38%) OpenDNS
5 6 (6.38%) SaaS
6 5 (5.32%) DigitalOcean
7 2 (2.13%) Amazon GuardDuty
7 2 (2.13%) Google Workspace
7 2 (2.13%) PaaS
8 1 (1.06%) Amazon CloudWatch
8 1 (1.06%) Amazon EC2
8 1 (1.06%) Amazon S3
8 1 (1.06%) AWS CloudFormation
8 1 (1.06%) AWS Lambda
8 1 (1.06%) IaaS
8 1 (1.06%) Serverless
8 1 (1.06%) Virtual Private Cloud
Communications & Networking
1 74 (78.72%) Firewall
2 25 (26.60%) Network Security
3 17 (18.09%) VPN
4 7 (7.45%) SSL
5 6 (6.38%) Wireshark
6 5 (5.32%) DNS
6 5 (5.32%) HTTPS
6 5 (5.32%) LAN
7 4 (4.26%) WAN
8 3 (3.19%) DHCP
8 3 (3.19%) HTTP
8 3 (3.19%) MPLS
8 3 (3.19%) VLAN
9 2 (2.13%) DMVPN
9 2 (2.13%) Ethernet
9 2 (2.13%) Internet
9 2 (2.13%) TCP/IP
9 2 (2.13%) Wi-Fi
9 2 (2.13%) Wireless
9 2 (2.13%) Wireless Security
Database & Business Intelligence
1 5 (5.32%) MySQL
1 5 (5.32%) PostgreSQL
2 2 (2.13%) Apache Hive
2 2 (2.13%) Big Data
2 2 (2.13%) Impala
Development Applications
1 6 (6.38%) Metasploit
2 2 (2.13%) Bitbucket
2 2 (2.13%) Bitbucket Server
2 2 (2.13%) Git (software)
2 2 (2.13%) git-flow
2 2 (2.13%) JIRA
General
1 17 (18.09%) Finance
1 17 (18.09%) Social Skills
2 10 (10.64%) Analytical Skills
3 6 (6.38%) Public Sector
4 5 (5.32%) Electronics
4 5 (5.32%) Legal
4 5 (5.32%) Manufacturing
4 5 (5.32%) Marketing
4 5 (5.32%) Telecoms
5 2 (2.13%) Banking
5 2 (2.13%) Financial Institution
6 1 (1.06%) Games
6 1 (1.06%) Local Government
Job Titles
1 35 (37.23%) Security Engineer
2 31 (32.98%) Analyst
3 26 (27.66%) Security Analyst
4 23 (24.47%) IT Engineer
5 22 (23.40%) IT Security Engineer
6 12 (12.77%) Operations Analyst
6 12 (12.77%) Security Operations Analyst
7 9 (9.57%) IT Analyst
7 9 (9.57%) IT Security Analyst
8 7 (7.45%) Senior Analyst
9 6 (6.38%) Senior Operations Analyst
9 6 (6.38%) Senior Security Analyst
10 5 (5.32%) Chief Technology Officer
10 5 (5.32%) Developer
10 5 (5.32%) Information Security Engineer
10 5 (5.32%) IT Security Officer
10 5 (5.32%) Python Developer
10 5 (5.32%) Security Officer
10 5 (5.32%) Senior Developer
10 5 (5.32%) Senior Python Developer
Libraries, Frameworks & Software Standards
1 20 (21.28%) Web Services
2 17 (18.09%) OAuth
3 16 (17.02%) SAML
4 5 (5.32%) CSS
4 5 (5.32%) Flask
4 5 (5.32%) HTML
4 5 (5.32%) LAMP
4 5 (5.32%) LAPP Stack
4 5 (5.32%) SQLAlchemy
5 2 (2.13%) Elastic Stack
5 2 (2.13%) Kafka
6 1 (1.06%) 802.1X
6 1 (1.06%) LDAP
Miscellaneous
1 21 (22.34%) Management Information System
2 11 (11.70%) Security Operations Centre
3 6 (6.38%) Distributed Denial-of-Service
4 5 (5.32%) Derivative
4 5 (5.32%) Linux Command Line
4 5 (5.32%) Social Media
5 4 (4.26%) Cyberattack
5 4 (4.26%) Public Cloud
6 3 (3.19%) Self-Motivation
7 2 (2.13%) Analytical Mindset
7 2 (2.13%) Cloud Native
7 2 (2.13%) Cyber Defence
7 2 (2.13%) Cyber Kill Chain
8 1 (1.06%) Bitcoin
8 1 (1.06%) Cybercrime
8 1 (1.06%) Data Centre
8 1 (1.06%) Data Protection Act
8 1 (1.06%) Equities
8 1 (1.06%) Fixed Income
8 1 (1.06%) New Media
Operating Systems
1 26 (27.66%) Windows
2 12 (12.77%) Linux
3 9 (9.57%) Unix
4 7 (7.45%) Windows Server
5 6 (6.38%) Kali Linux
6 5 (5.32%) Debian
6 5 (5.32%) Ubuntu
7 1 (1.06%) Mac OS
7 1 (1.06%) Windows Server 2008
Processes & Methodologies
1 39 (41.49%) Cybersecurity
2 34 (36.17%) Kalman Filter
3 29 (30.85%) Information Security
4 27 (28.72%) Security Operations
5 23 (24.47%) SIEM
6 22 (23.40%) Penetration Testing
7 21 (22.34%) OWASP
8 17 (18.09%) Task Automation
9 15 (15.96%) Threat Intelligence
10 14 (14.89%) Vulnerability Management
11 12 (12.77%) Cyber Threat Intelligence
11 12 (12.77%) Data Security
12 11 (11.70%) Security Monitoring
13 10 (10.64%) Computer Science
13 10 (10.64%) DevOps
14 9 (9.57%) Malware Analysis
14 9 (9.57%) SOA
15 8 (8.51%) Collaborative Working
15 8 (8.51%) Data Protection
15 8 (8.51%) Security Management
Programming Languages
1 21 (22.34%) SQL
2 16 (17.02%) Python
3 10 (10.64%) PowerShell
4 8 (8.51%) C
5 6 (6.38%) C#
5 6 (6.38%) C++
5 6 (6.38%) VB
6 5 (5.32%) JavaScript
7 2 (2.13%) Bash Shell
7 2 (2.13%) Perl
7 2 (2.13%) R
Qualifications
1 26 (27.66%) CISSP
2 17 (18.09%) Cisco Certification
3 14 (14.89%) (ISC)2 CCSP
3 14 (14.89%) CISA
4 13 (13.83%) CCSP
4 13 (13.83%) CISM
5 8 (8.51%) CEH
5 8 (8.51%) CompTIA Security+
5 8 (8.51%) Security Cleared
6 7 (7.45%) Microsoft Certification
7 6 (6.38%) SC Cleared
8 5 (5.32%) Degree
9 4 (4.26%) GSEC
9 4 (4.26%) MCSA
9 4 (4.26%) OSCP
10 3 (3.19%) CCNA
10 3 (3.19%) GPEN
10 3 (3.19%) OSCE
10 3 (3.19%) SANS
11 2 (2.13%) CRISC
Quality Assurance & Compliance
1 16 (17.02%) ISO/IEC 27001
2 12 (12.77%) Cyber Essentials
3 8 (8.51%) PCI DSS
4 6 (6.38%) NIST
5 4 (4.26%) GDPR
6 3 (3.19%) Cyber Essentials PLUS
7 1 (1.06%) GLBA
7 1 (1.06%) GPG13
7 1 (1.06%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
7 1 (1.06%) Sarbanes-Oxley
7 1 (1.06%) SOC 2
System Software
1 8 (8.51%) Active Directory
1 8 (8.51%) Docker
2 6 (6.38%) Snort
2 6 (6.38%) Squid
3 4 (4.26%) VMware Infrastructure
4 2 (2.13%) Apache Flume
5 1 (1.06%) VMware ESXi
5 1 (1.06%) vSphere
Systems Management
1 19 (20.21%) Nessus
2 6 (6.38%) Nexpose
2 6 (6.38%) Suricata
3 5 (5.32%) Ansible
3 5 (5.32%) Docker Swarm
3 5 (5.32%) Opscode Chef
3 5 (5.32%) Puppet
4 3 (3.19%) CSIRT
4 3 (3.19%) Kubernetes
4 3 (3.19%) QRadar
4 3 (3.19%) Single Sign-On
4 3 (3.19%) Terraform
5 2 (2.13%) Jamf Pro
5 2 (2.13%) Kibana
5 2 (2.13%) Oozie
6 1 (1.06%) Microsoft Intune
6 1 (1.06%) vCenter Server
Vendors
1 28 (29.79%) Microsoft
2 13 (13.83%) Cisco
3 12 (12.77%) Splunk
4 9 (9.57%) CA
4 9 (9.57%) LogRhythm
5 7 (7.45%) CheckPoint
5 7 (7.45%) Palo Alto
6 6 (6.38%) Blue Coat
6 6 (6.38%) Carbon Black
6 6 (6.38%) CrowdStrike
6 6 (6.38%) FireEye
6 6 (6.38%) Forcepoint
6 6 (6.38%) Google
6 6 (6.38%) Qualys
6 6 (6.38%) Symantec
6 6 (6.38%) Zscaler
7 5 (5.32%) Facebook
7 5 (5.32%) SAP
7 5 (5.32%) VMware
8 3 (3.19%) AlienVault